571482/jsxml.ii.1

   1 extern "C" {
   2 typedef float float_t;
   3 typedef double double_t;
   4 extern double acos (double __x) throw (); extern double __acos (double __x) throw ();
   5 extern double asin (double __x) throw (); extern double __asin (double __x) throw ();
   6 extern double atan (double __x) throw (); extern double __atan (double __x) throw ();
   7 extern double atan2 (double __y, double __x) throw (); extern double __atan2 (double __y, double __x) throw ();
   8  extern double cos (double __x) throw (); extern double __cos (double __x) throw ();
   9  extern double sin (double __x) throw (); extern double __sin (double __x) throw ();
  10 extern double tan (double __x) throw (); extern double __tan (double __x) throw ();
  11 extern double cosh (double __x) throw (); extern double __cosh (double __x) throw ();
  12 extern double sinh (double __x) throw (); extern double __sinh (double __x) throw ();
  13 extern double tanh (double __x) throw (); extern double __tanh (double __x) throw ();
  14  extern void sincos (double __x, double *__sinx, double *__cosx) throw (); extern void __sincos (double __x, double *__sinx, double *__cosx) throw ()
  15                                                         ;
  16 extern double acosh (double __x) throw (); extern double __acosh (double __x) throw ();
  17 extern double asinh (double __x) throw (); extern double __asinh (double __x) throw ();
  18 extern double atanh (double __x) throw (); extern double __atanh (double __x) throw ();
  19  extern double exp (double __x) throw (); extern double __exp (double __x) throw ();
  20 extern double frexp (double __x, int *__exponent) throw (); extern double __frexp (double __x, int *__exponent) throw ();
  21 extern double ldexp (double __x, int __exponent) throw (); extern double __ldexp (double __x, int __exponent) throw ();
  22  extern double log (double __x) throw (); extern double __log (double __x) throw ();
  23 extern double log10 (double __x) throw (); extern double __log10 (double __x) throw ();
  24 extern double modf (double __x, double *__iptr) throw (); extern double __modf (double __x, double *__iptr) throw () __attribute__ ((__nonnull__ (2)));
  25 extern double exp10 (double __x) throw (); extern double __exp10 (double __x) throw ();
  26 extern double pow10 (double __x) throw (); extern double __pow10 (double __x) throw ();
  27 extern double expm1 (double __x) throw (); extern double __expm1 (double __x) throw ();
  28 extern double log1p (double __x) throw (); extern double __log1p (double __x) throw ();
  29 extern double logb (double __x) throw (); extern double __logb (double __x) throw ();
  30 extern double exp2 (double __x) throw (); extern double __exp2 (double __x) throw ();
  31 extern double log2 (double __x) throw (); extern double __log2 (double __x) throw ();
  32  extern double pow (double __x, double __y) throw (); extern double __pow (double __x, double __y) throw ();
  33 extern double sqrt (double __x) throw (); extern double __sqrt (double __x) throw ();
  34 extern double hypot (double __x, double __y) throw (); extern double __hypot (double __x, double __y) throw ();
  35 extern double cbrt (double __x) throw (); extern double __cbrt (double __x) throw ();
  36 extern double ceil (double __x) throw () __attribute__ ((__const__)); extern double __ceil (double __x) throw () __attribute__ ((__const__));
  37 extern double fabs (double __x) throw () __attribute__ ((__const__)); extern double __fabs (double __x) throw () __attribute__ ((__const__));
  38 extern double floor (double __x) throw () __attribute__ ((__const__)); extern double __floor (double __x) throw () __attribute__ ((__const__));
  39 extern double fmod (double __x, double __y) throw (); extern double __fmod (double __x, double __y) throw ();
  40 extern int __isinf (double __value) throw () __attribute__ ((__const__));
  41 extern int __finite (double __value) throw () __attribute__ ((__const__));
  42 extern int isinf (double __value) throw () __attribute__ ((__const__));
  43 extern int finite (double __value) throw () __attribute__ ((__const__));
  44 extern double drem (double __x, double __y) throw (); extern double __drem (double __x, double __y) throw ();
  45 extern double significand (double __x) throw (); extern double __significand (double __x) throw ();
  46 extern double copysign (double __x, double __y) throw () __attribute__ ((__const__)); extern double __copysign (double __x, double __y) throw () __attribute__ ((__const__));
  47 extern double nan (const char *__tagb) throw () __attribute__ ((__const__)); extern double __nan (const char *__tagb) throw () __attribute__ ((__const__));
  48 extern int __isnan (double __value) throw () __attribute__ ((__const__));
  49 extern int isnan (double __value) throw () __attribute__ ((__const__));
  50 extern double j0 (double) throw (); extern double __j0 (double) throw ();
  51 extern double j1 (double) throw (); extern double __j1 (double) throw ();
  52 extern double jn (int, double) throw (); extern double __jn (int, double) throw ();
  53 extern double y0 (double) throw (); extern double __y0 (double) throw ();
  54 extern double y1 (double) throw (); extern double __y1 (double) throw ();
  55 extern double yn (int, double) throw (); extern double __yn (int, double) throw ();
  56 extern double erf (double) throw (); extern double __erf (double) throw ();
  57 extern double erfc (double) throw (); extern double __erfc (double) throw ();
  58 extern double lgamma (double) throw (); extern double __lgamma (double) throw ();
  59 extern double tgamma (double) throw (); extern double __tgamma (double) throw ();
  60 extern double gamma (double) throw (); extern double __gamma (double) throw ();
  61 extern double lgamma_r (double, int *__signgamp) throw (); extern double __lgamma_r (double, int *__signgamp) throw ();
  62 extern double rint (double __x) throw (); extern double __rint (double __x) throw ();
  63 extern double nextafter (double __x, double __y) throw () __attribute__ ((__const__)); extern double __nextafter (double __x, double __y) throw () __attribute__ ((__const__));
  64 extern double nexttoward (double __x, long double __y) throw () __attribute__ ((__const__)); extern double __nexttoward (double __x, long double __y) throw () __attribute__ ((__const__));
  65 extern double remainder (double __x, double __y) throw (); extern double __remainder (double __x, double __y) throw ();
  66 extern double scalbn (double __x, int __n) throw (); extern double __scalbn (double __x, int __n) throw ();
  67 extern int ilogb (double __x) throw (); extern int __ilogb (double __x) throw ();
  68 extern double scalbln (double __x, long int __n) throw (); extern double __scalbln (double __x, long int __n) throw ();
  69 extern double nearbyint (double __x) throw (); extern double __nearbyint (double __x) throw ();
  70 extern double round (double __x) throw () __attribute__ ((__const__)); extern double __round (double __x) throw () __attribute__ ((__const__));
  71 extern double trunc (double __x) throw () __attribute__ ((__const__)); extern double __trunc (double __x) throw () __attribute__ ((__const__));
  72 extern double remquo (double __x, double __y, int *__quo) throw (); extern double __remquo (double __x, double __y, int *__quo) throw ();
  73 extern long int lrint (double __x) throw (); extern long int __lrint (double __x) throw ();
  74 __extension__
  75 extern long long int llrint (double __x) throw (); extern long long int __llrint (double __x) throw ();
  76 extern long int lround (double __x) throw (); extern long int __lround (double __x) throw ();
  77 __extension__
  78 extern long long int llround (double __x) throw (); extern long long int __llround (double __x) throw ();
  79 extern double fdim (double __x, double __y) throw (); extern double __fdim (double __x, double __y) throw ();
  80 extern double fmax (double __x, double __y) throw () __attribute__ ((__const__)); extern double __fmax (double __x, double __y) throw () __attribute__ ((__const__));
  81 extern double fmin (double __x, double __y) throw () __attribute__ ((__const__)); extern double __fmin (double __x, double __y) throw () __attribute__ ((__const__));
  82 extern int __fpclassify (double __value) throw ()
  83      __attribute__ ((__const__));
  84 extern int __signbit (double __value) throw ()
  85      __attribute__ ((__const__));
  86 extern double fma (double __x, double __y, double __z) throw (); extern double __fma (double __x, double __y, double __z) throw ();
  87 extern int __issignaling (double __value) throw ()
  88      __attribute__ ((__const__));
  89 extern double scalb (double __x, double __n) throw (); extern double __scalb (double __x, double __n) throw ();
  90 extern float acosf (float __x) throw (); extern float __acosf (float __x) throw ();
  91 extern float asinf (float __x) throw (); extern float __asinf (float __x) throw ();
  92 extern float atanf (float __x) throw (); extern float __atanf (float __x) throw ();
  93 extern float atan2f (float __y, float __x) throw (); extern float __atan2f (float __y, float __x) throw ();
  94  extern float cosf (float __x) throw (); extern float __cosf (float __x) throw ();
  95  extern float sinf (float __x) throw (); extern float __sinf (float __x) throw ();
  96 extern float tanf (float __x) throw (); extern float __tanf (float __x) throw ();
  97 extern float coshf (float __x) throw (); extern float __coshf (float __x) throw ();
  98 extern float sinhf (float __x) throw (); extern float __sinhf (float __x) throw ();
  99 extern float tanhf (float __x) throw (); extern float __tanhf (float __x) throw ();
 100  extern void sincosf (float __x, float *__sinx, float *__cosx) throw (); extern void __sincosf (float __x, float *__sinx, float *__cosx) throw ()
 101                                                         ;
 102 extern float acoshf (float __x) throw (); extern float __acoshf (float __x) throw ();
 103 extern float asinhf (float __x) throw (); extern float __asinhf (float __x) throw ();
 104 extern float atanhf (float __x) throw (); extern float __atanhf (float __x) throw ();
 105  extern float expf (float __x) throw (); extern float __expf (float __x) throw ();
 106 extern float frexpf (float __x, int *__exponent) throw (); extern float __frexpf (float __x, int *__exponent) throw ();
 107 extern float ldexpf (float __x, int __exponent) throw (); extern float __ldexpf (float __x, int __exponent) throw ();
 108  extern float logf (float __x) throw (); extern float __logf (float __x) throw ();
 109 extern float log10f (float __x) throw (); extern float __log10f (float __x) throw ();
 110 extern float modff (float __x, float *__iptr) throw (); extern float __modff (float __x, float *__iptr) throw () __attribute__ ((__nonnull__ (2)));
 111 extern float exp10f (float __x) throw (); extern float __exp10f (float __x) throw ();
 112 extern float pow10f (float __x) throw (); extern float __pow10f (float __x) throw ();
 113 extern float expm1f (float __x) throw (); extern float __expm1f (float __x) throw ();
 114 extern float log1pf (float __x) throw (); extern float __log1pf (float __x) throw ();
 115 extern float logbf (float __x) throw (); extern float __logbf (float __x) throw ();
 116 extern float exp2f (float __x) throw (); extern float __exp2f (float __x) throw ();
 117 extern float log2f (float __x) throw (); extern float __log2f (float __x) throw ();
 118  extern float powf (float __x, float __y) throw (); extern float __powf (float __x, float __y) throw ();
 119 extern float sqrtf (float __x) throw (); extern float __sqrtf (float __x) throw ();
 120 extern float hypotf (float __x, float __y) throw (); extern float __hypotf (float __x, float __y) throw ();
 121 extern float cbrtf (float __x) throw (); extern float __cbrtf (float __x) throw ();
 122 extern float ceilf (float __x) throw () __attribute__ ((__const__)); extern float __ceilf (float __x) throw () __attribute__ ((__const__));
 123 extern float fabsf (float __x) throw () __attribute__ ((__const__)); extern float __fabsf (float __x) throw () __attribute__ ((__const__));
 124 extern float floorf (float __x) throw () __attribute__ ((__const__)); extern float __floorf (float __x) throw () __attribute__ ((__const__));
 125 extern float fmodf (float __x, float __y) throw (); extern float __fmodf (float __x, float __y) throw ();
 126 extern int __isinff (float __value) throw () __attribute__ ((__const__));
 127 extern int __finitef (float __value) throw () __attribute__ ((__const__));
 128 extern int isinff (float __value) throw () __attribute__ ((__const__));
 129 extern int finitef (float __value) throw () __attribute__ ((__const__));
 130 extern float dremf (float __x, float __y) throw (); extern float __dremf (float __x, float __y) throw ();
 131 extern float significandf (float __x) throw (); extern float __significandf (float __x) throw ();
 132 extern float copysignf (float __x, float __y) throw () __attribute__ ((__const__)); extern float __copysignf (float __x, float __y) throw () __attribute__ ((__const__));
 133 extern float nanf (const char *__tagb) throw () __attribute__ ((__const__)); extern float __nanf (const char *__tagb) throw () __attribute__ ((__const__));
 134 extern int __isnanf (float __value) throw () __attribute__ ((__const__));
 135 extern int isnanf (float __value) throw () __attribute__ ((__const__));
 136 extern float j0f (float) throw (); extern float __j0f (float) throw ();
 137 extern float j1f (float) throw (); extern float __j1f (float) throw ();
 138 extern float jnf (int, float) throw (); extern float __jnf (int, float) throw ();
 139 extern float y0f (float) throw (); extern float __y0f (float) throw ();
 140 extern float y1f (float) throw (); extern float __y1f (float) throw ();
 141 extern float ynf (int, float) throw (); extern float __ynf (int, float) throw ();
 142 extern float erff (float) throw (); extern float __erff (float) throw ();
 143 extern float erfcf (float) throw (); extern float __erfcf (float) throw ();
 144 extern float lgammaf (float) throw (); extern float __lgammaf (float) throw ();
 145 extern float tgammaf (float) throw (); extern float __tgammaf (float) throw ();
 146 extern float gammaf (float) throw (); extern float __gammaf (float) throw ();
 147 extern float lgammaf_r (float, int *__signgamp) throw (); extern float __lgammaf_r (float, int *__signgamp) throw ();
 148 extern float rintf (float __x) throw (); extern float __rintf (float __x) throw ();
 149 extern float nextafterf (float __x, float __y) throw () __attribute__ ((__const__)); extern float __nextafterf (float __x, float __y) throw () __attribute__ ((__const__));
 150 extern float nexttowardf (float __x, long double __y) throw () __attribute__ ((__const__)); extern float __nexttowardf (float __x, long double __y) throw () __attribute__ ((__const__));
 151 extern float remainderf (float __x, float __y) throw (); extern float __remainderf (float __x, float __y) throw ();
 152 extern float scalbnf (float __x, int __n) throw (); extern float __scalbnf (float __x, int __n) throw ();
 153 extern int ilogbf (float __x) throw (); extern int __ilogbf (float __x) throw ();
 154 extern float scalblnf (float __x, long int __n) throw (); extern float __scalblnf (float __x, long int __n) throw ();
 155 extern float nearbyintf (float __x) throw (); extern float __nearbyintf (float __x) throw ();
 156 extern float roundf (float __x) throw () __attribute__ ((__const__)); extern float __roundf (float __x) throw () __attribute__ ((__const__));
 157 extern float truncf (float __x) throw () __attribute__ ((__const__)); extern float __truncf (float __x) throw () __attribute__ ((__const__));
 158 extern float remquof (float __x, float __y, int *__quo) throw (); extern float __remquof (float __x, float __y, int *__quo) throw ();
 159 extern long int lrintf (float __x) throw (); extern long int __lrintf (float __x) throw ();
 160 __extension__
 161 extern long long int llrintf (float __x) throw (); extern long long int __llrintf (float __x) throw ();
 162 extern long int lroundf (float __x) throw (); extern long int __lroundf (float __x) throw ();
 163 __extension__
 164 extern long long int llroundf (float __x) throw (); extern long long int __llroundf (float __x) throw ();
 165 extern float fdimf (float __x, float __y) throw (); extern float __fdimf (float __x, float __y) throw ();
 166 extern float fmaxf (float __x, float __y) throw () __attribute__ ((__const__)); extern float __fmaxf (float __x, float __y) throw () __attribute__ ((__const__));
 167 extern float fminf (float __x, float __y) throw () __attribute__ ((__const__)); extern float __fminf (float __x, float __y) throw () __attribute__ ((__const__));
 168 extern int __fpclassifyf (float __value) throw ()
 169      __attribute__ ((__const__));
 170 extern int __signbitf (float __value) throw ()
 171      __attribute__ ((__const__));
 172 extern float fmaf (float __x, float __y, float __z) throw (); extern float __fmaf (float __x, float __y, float __z) throw ();
 173 extern int __issignalingf (float __value) throw ()
 174      __attribute__ ((__const__));
 175 extern float scalbf (float __x, float __n) throw (); extern float __scalbf (float __x, float __n) throw ();
 176 extern long double acosl (long double __x) throw (); extern long double __acosl (long double __x) throw ();
 177 extern long double asinl (long double __x) throw (); extern long double __asinl (long double __x) throw ();
 178 extern long double atanl (long double __x) throw (); extern long double __atanl (long double __x) throw ();
 179 extern long double atan2l (long double __y, long double __x) throw (); extern long double __atan2l (long double __y, long double __x) throw ();
 180  extern long double cosl (long double __x) throw (); extern long double __cosl (long double __x) throw ();
 181  extern long double sinl (long double __x) throw (); extern long double __sinl (long double __x) throw ();
 182 extern long double tanl (long double __x) throw (); extern long double __tanl (long double __x) throw ();
 183 extern long double coshl (long double __x) throw (); extern long double __coshl (long double __x) throw ();
 184 extern long double sinhl (long double __x) throw (); extern long double __sinhl (long double __x) throw ();
 185 extern long double tanhl (long double __x) throw (); extern long double __tanhl (long double __x) throw ();
 186  extern void sincosl (long double __x, long double *__sinx, long double *__cosx) throw (); extern void __sincosl (long double __x, long double *__sinx, long double *__cosx) throw ()
 187                                                         ;
 188 extern long double acoshl (long double __x) throw (); extern long double __acoshl (long double __x) throw ();
 189 extern long double asinhl (long double __x) throw (); extern long double __asinhl (long double __x) throw ();
 190 extern long double atanhl (long double __x) throw (); extern long double __atanhl (long double __x) throw ();
 191  extern long double expl (long double __x) throw (); extern long double __expl (long double __x) throw ();
 192 extern long double frexpl (long double __x, int *__exponent) throw (); extern long double __frexpl (long double __x, int *__exponent) throw ();
 193 extern long double ldexpl (long double __x, int __exponent) throw (); extern long double __ldexpl (long double __x, int __exponent) throw ();
 194  extern long double logl (long double __x) throw (); extern long double __logl (long double __x) throw ();
 195 extern long double log10l (long double __x) throw (); extern long double __log10l (long double __x) throw ();
 196 extern long double modfl (long double __x, long double *__iptr) throw (); extern long double __modfl (long double __x, long double *__iptr) throw () __attribute__ ((__nonnull__ (2)));
 197 extern long double exp10l (long double __x) throw (); extern long double __exp10l (long double __x) throw ();
 198 extern long double pow10l (long double __x) throw (); extern long double __pow10l (long double __x) throw ();
 199 extern long double expm1l (long double __x) throw (); extern long double __expm1l (long double __x) throw ();
 200 extern long double log1pl (long double __x) throw (); extern long double __log1pl (long double __x) throw ();
 201 extern long double logbl (long double __x) throw (); extern long double __logbl (long double __x) throw ();
 202 extern long double exp2l (long double __x) throw (); extern long double __exp2l (long double __x) throw ();
 203 extern long double log2l (long double __x) throw (); extern long double __log2l (long double __x) throw ();
 204  extern long double powl (long double __x, long double __y) throw (); extern long double __powl (long double __x, long double __y) throw ();
 205 extern long double sqrtl (long double __x) throw (); extern long double __sqrtl (long double __x) throw ();
 206 extern long double hypotl (long double __x, long double __y) throw (); extern long double __hypotl (long double __x, long double __y) throw ();
 207 extern long double cbrtl (long double __x) throw (); extern long double __cbrtl (long double __x) throw ();
 208 extern long double ceill (long double __x) throw () __attribute__ ((__const__)); extern long double __ceill (long double __x) throw () __attribute__ ((__const__));
 209 extern long double fabsl (long double __x) throw () __attribute__ ((__const__)); extern long double __fabsl (long double __x) throw () __attribute__ ((__const__));
 210 extern long double floorl (long double __x) throw () __attribute__ ((__const__)); extern long double __floorl (long double __x) throw () __attribute__ ((__const__));
 211 extern long double fmodl (long double __x, long double __y) throw (); extern long double __fmodl (long double __x, long double __y) throw ();
 212 extern int __isinfl (long double __value) throw () __attribute__ ((__const__));
 213 extern int __finitel (long double __value) throw () __attribute__ ((__const__));
 214 extern int isinfl (long double __value) throw () __attribute__ ((__const__));
 215 extern int finitel (long double __value) throw () __attribute__ ((__const__));
 216 extern long double dreml (long double __x, long double __y) throw (); extern long double __dreml (long double __x, long double __y) throw ();
 217 extern long double significandl (long double __x) throw (); extern long double __significandl (long double __x) throw ();
 218 extern long double copysignl (long double __x, long double __y) throw () __attribute__ ((__const__)); extern long double __copysignl (long double __x, long double __y) throw () __attribute__ ((__const__));
 219 extern long double nanl (const char *__tagb) throw () __attribute__ ((__const__)); extern long double __nanl (const char *__tagb) throw () __attribute__ ((__const__));
 220 extern int __isnanl (long double __value) throw () __attribute__ ((__const__));
 221 extern int isnanl (long double __value) throw () __attribute__ ((__const__));
 222 extern long double j0l (long double) throw (); extern long double __j0l (long double) throw ();
 223 extern long double j1l (long double) throw (); extern long double __j1l (long double) throw ();
 224 extern long double jnl (int, long double) throw (); extern long double __jnl (int, long double) throw ();
 225 extern long double y0l (long double) throw (); extern long double __y0l (long double) throw ();
 226 extern long double y1l (long double) throw (); extern long double __y1l (long double) throw ();
 227 extern long double ynl (int, long double) throw (); extern long double __ynl (int, long double) throw ();
 228 extern long double erfl (long double) throw (); extern long double __erfl (long double) throw ();
 229 extern long double erfcl (long double) throw (); extern long double __erfcl (long double) throw ();
 230 extern long double lgammal (long double) throw (); extern long double __lgammal (long double) throw ();
 231 extern long double tgammal (long double) throw (); extern long double __tgammal (long double) throw ();
 232 extern long double gammal (long double) throw (); extern long double __gammal (long double) throw ();
 233 extern long double lgammal_r (long double, int *__signgamp) throw (); extern long double __lgammal_r (long double, int *__signgamp) throw ();
 234 extern long double rintl (long double __x) throw (); extern long double __rintl (long double __x) throw ();
 235 extern long double nextafterl (long double __x, long double __y) throw () __attribute__ ((__const__)); extern long double __nextafterl (long double __x, long double __y) throw () __attribute__ ((__const__));
 236 extern long double nexttowardl (long double __x, long double __y) throw () __attribute__ ((__const__)); extern long double __nexttowardl (long double __x, long double __y) throw () __attribute__ ((__const__));
 237 extern long double remainderl (long double __x, long double __y) throw (); extern long double __remainderl (long double __x, long double __y) throw ();
 238 extern long double scalbnl (long double __x, int __n) throw (); extern long double __scalbnl (long double __x, int __n) throw ();
 239 extern int ilogbl (long double __x) throw (); extern int __ilogbl (long double __x) throw ();
 240 extern long double scalblnl (long double __x, long int __n) throw (); extern long double __scalblnl (long double __x, long int __n) throw ();
 241 extern long double nearbyintl (long double __x) throw (); extern long double __nearbyintl (long double __x) throw ();
 242 extern long double roundl (long double __x) throw () __attribute__ ((__const__)); extern long double __roundl (long double __x) throw () __attribute__ ((__const__));
 243 extern long double truncl (long double __x) throw () __attribute__ ((__const__)); extern long double __truncl (long double __x) throw () __attribute__ ((__const__));
 244 extern long double remquol (long double __x, long double __y, int *__quo) throw (); extern long double __remquol (long double __x, long double __y, int *__quo) throw ();
 245 extern long int lrintl (long double __x) throw (); extern long int __lrintl (long double __x) throw ();
 246 __extension__
 247 extern long long int llrintl (long double __x) throw (); extern long long int __llrintl (long double __x) throw ();
 248 extern long int lroundl (long double __x) throw (); extern long int __lroundl (long double __x) throw ();
 249 __extension__
 250 extern long long int llroundl (long double __x) throw (); extern long long int __llroundl (long double __x) throw ();
 251 extern long double fdiml (long double __x, long double __y) throw (); extern long double __fdiml (long double __x, long double __y) throw ();
 252 extern long double fmaxl (long double __x, long double __y) throw () __attribute__ ((__const__)); extern long double __fmaxl (long double __x, long double __y) throw () __attribute__ ((__const__));
 253 extern long double fminl (long double __x, long double __y) throw () __attribute__ ((__const__)); extern long double __fminl (long double __x, long double __y) throw () __attribute__ ((__const__));
 254 extern int __fpclassifyl (long double __value) throw ()
 255      __attribute__ ((__const__));
 256 extern int __signbitl (long double __value) throw ()
 257      __attribute__ ((__const__));
 258 extern long double fmal (long double __x, long double __y, long double __z) throw (); extern long double __fmal (long double __x, long double __y, long double __z) throw ();
 259 extern int __issignalingl (long double __value) throw ()
 260      __attribute__ ((__const__));
 261 extern long double scalbl (long double __x, long double __n) throw (); extern long double __scalbl (long double __x, long double __n) throw ();
 262 extern int signgam;
 263 enum
 264   {
 265     FP_NAN =
 266       0,
 267     FP_INFINITE =
 268       1,
 269     FP_ZERO =
 270       2,
 271     FP_SUBNORMAL =
 272       3,
 273     FP_NORMAL =
 274       4
 275   };
 276 typedef enum
 277 {
 278   _IEEE_ = -1,
 279   _SVID_,
 280   _XOPEN_,
 281   _POSIX_,
 282   _ISOC_
 283 } _LIB_VERSION_TYPE;
 284 extern _LIB_VERSION_TYPE _LIB_VERSION;
 285 struct __exception
 286   {
 287     int type;
 288     char *name;
 289     double arg1;
 290     double arg2;
 291     double retval;
 292   };
 293 extern int matherr (struct __exception *__exc) throw ();
 294 extern __inline __attribute__ ((__gnu_inline__)) int
 295 __attribute__ ((__leaf__)) __signbitf (float __x) throw ()
 296 {
 297   return __builtin_signbitf (__x);
 298 }
 299 extern __inline __attribute__ ((__gnu_inline__)) int
 300 __attribute__ ((__leaf__)) __signbit (double __x) throw ()
 301 {
 302   return __builtin_signbit (__x);
 303 }
 304 extern __inline __attribute__ ((__gnu_inline__)) int
 305 __attribute__ ((__leaf__)) __signbitl (long double __x) throw ()
 306 {
 307   return __signbit ((double) __x);
 308 }
 309 extern __inline __attribute__ ((__gnu_inline__)) double fdim (double __x, double __y) throw ();
 310 extern __inline __attribute__ ((__gnu_inline__)) double
 311 __attribute__ ((__leaf__)) fdim (double __x, double __y) throw ()
 312 {
 313   return __x <= __y ? 0 : __x - __y;
 314 }
 315 extern __inline __attribute__ ((__gnu_inline__)) float fdimf (float __x, float __y) throw ();
 316 extern __inline __attribute__ ((__gnu_inline__)) float
 317 __attribute__ ((__leaf__)) fdimf (float __x, float __y) throw ()
 318 {
 319   return __x <= __y ? 0 : __x - __y;
 320 }
 321 }
 322 typedef long unsigned int size_t;
 323 extern "C" {
 324 typedef unsigned char __u_char;
 325 typedef unsigned short int __u_short;
 326 typedef unsigned int __u_int;
 327 typedef unsigned long int __u_long;
 328 typedef signed char __int8_t;
 329 typedef unsigned char __uint8_t;
 330 typedef signed short int __int16_t;
 331 typedef unsigned short int __uint16_t;
 332 typedef signed int __int32_t;
 333 typedef unsigned int __uint32_t;
 334 typedef signed long int __int64_t;
 335 typedef unsigned long int __uint64_t;
 336 typedef long int __quad_t;
 337 typedef unsigned long int __u_quad_t;
 338 typedef unsigned long int __dev_t;
 339 typedef unsigned int __uid_t;
 340 typedef unsigned int __gid_t;
 341 typedef unsigned long int __ino_t;
 342 typedef unsigned long int __ino64_t;
 343 typedef unsigned int __mode_t;
 344 typedef unsigned long int __nlink_t;
 345 typedef long int __off_t;
 346 typedef long int __off64_t;
 347 typedef int __pid_t;
 348 typedef struct { int __val[2]; } __fsid_t;
 349 typedef long int __clock_t;
 350 typedef unsigned long int __rlim_t;
 351 typedef unsigned long int __rlim64_t;
 352 typedef unsigned int __id_t;
 353 typedef long int __time_t;
 354 typedef unsigned int __useconds_t;
 355 typedef long int __suseconds_t;
 356 typedef int __daddr_t;
 357 typedef int __key_t;
 358 typedef int __clockid_t;
 359 typedef void * __timer_t;
 360 typedef long int __blksize_t;
 361 typedef long int __blkcnt_t;
 362 typedef long int __blkcnt64_t;
 363 typedef unsigned long int __fsblkcnt_t;
 364 typedef unsigned long int __fsblkcnt64_t;
 365 typedef unsigned long int __fsfilcnt_t;
 366 typedef unsigned long int __fsfilcnt64_t;
 367 typedef long int __fsword_t;
 368 typedef long int __ssize_t;
 369 typedef long int __syscall_slong_t;
 370 typedef unsigned long int __syscall_ulong_t;
 371 typedef __off64_t __loff_t;
 372 typedef __quad_t *__qaddr_t;
 373 typedef char *__caddr_t;
 374 typedef long int __intptr_t;
 375 typedef unsigned int __socklen_t;
 376 static __inline unsigned int
 377 __bswap_32 (unsigned int __bsx)
 378 {
 379   return __builtin_bswap32 (__bsx);
 380 }
 381 static __inline __uint64_t
 382 __bswap_64 (__uint64_t __bsx)
 383 {
 384   return __builtin_bswap64 (__bsx);
 385 }
 386 union wait
 387   {
 388     int w_status;
 389     struct
 390       {
 391  unsigned int:16;
 392  unsigned int __w_retcode:8;
 393  unsigned int __w_coredump:1;
 394  unsigned int __w_termsig:7;
 395       } __wait_terminated;
 396     struct
 397       {
 398  unsigned int:16;
 399  unsigned int __w_stopsig:8;
 400  unsigned int __w_stopval:8;
 401       } __wait_stopped;
 402   };
 403 typedef struct
 404   {
 405     int quot;
 406     int rem;
 407   } div_t;
 408 typedef struct
 409   {
 410     long int quot;
 411     long int rem;
 412   } ldiv_t;
 413 __extension__ typedef struct
 414   {
 415     long long int quot;
 416     long long int rem;
 417   } lldiv_t;
 418 extern size_t __ctype_get_mb_cur_max (void) throw () __attribute__ ((__warn_unused_result__));
 419 extern double atof (const char *__nptr)
 420      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 421 extern int atoi (const char *__nptr)
 422      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 423 extern long int atol (const char *__nptr)
 424      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 425 __extension__ extern long long int atoll (const char *__nptr)
 426      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 427 extern double strtod (const char *__restrict __nptr,
 428         char **__restrict __endptr)
 429      throw () __attribute__ ((__nonnull__ (1)));
 430 extern float strtof (const char *__restrict __nptr,
 431        char **__restrict __endptr) throw () __attribute__ ((__nonnull__ (1)));
 432 extern long double strtold (const char *__restrict __nptr,
 433        char **__restrict __endptr)
 434      throw () __attribute__ ((__nonnull__ (1)));
 435 extern long int strtol (const char *__restrict __nptr,
 436    char **__restrict __endptr, int __base)
 437      throw () __attribute__ ((__nonnull__ (1)));
 438 extern unsigned long int strtoul (const char *__restrict __nptr,
 439       char **__restrict __endptr, int __base)
 440      throw () __attribute__ ((__nonnull__ (1)));
 441 __extension__
 442 extern long long int strtoq (const char *__restrict __nptr,
 443         char **__restrict __endptr, int __base)
 444      throw () __attribute__ ((__nonnull__ (1)));
 445 __extension__
 446 extern unsigned long long int strtouq (const char *__restrict __nptr,
 447            char **__restrict __endptr, int __base)
 448      throw () __attribute__ ((__nonnull__ (1)));
 449 __extension__
 450 extern long long int strtoll (const char *__restrict __nptr,
 451          char **__restrict __endptr, int __base)
 452      throw () __attribute__ ((__nonnull__ (1)));
 453 __extension__
 454 extern unsigned long long int strtoull (const char *__restrict __nptr,
 455      char **__restrict __endptr, int __base)
 456      throw () __attribute__ ((__nonnull__ (1)));
 457 typedef struct __locale_struct
 458 {
 459   struct __locale_data *__locales[13];
 460   const unsigned short int *__ctype_b;
 461   const int *__ctype_tolower;
 462   const int *__ctype_toupper;
 463   const char *__names[13];
 464 } *__locale_t;
 465 typedef __locale_t locale_t;
 466 extern long int strtol_l (const char *__restrict __nptr,
 467      char **__restrict __endptr, int __base,
 468      __locale_t __loc) throw () __attribute__ ((__nonnull__ (1, 4)));
 469 extern unsigned long int strtoul_l (const char *__restrict __nptr,
 470         char **__restrict __endptr,
 471         int __base, __locale_t __loc)
 472      throw () __attribute__ ((__nonnull__ (1, 4)));
 473 __extension__
 474 extern long long int strtoll_l (const char *__restrict __nptr,
 475     char **__restrict __endptr, int __base,
 476     __locale_t __loc)
 477      throw () __attribute__ ((__nonnull__ (1, 4)));
 478 __extension__
 479 extern unsigned long long int strtoull_l (const char *__restrict __nptr,
 480        char **__restrict __endptr,
 481        int __base, __locale_t __loc)
 482      throw () __attribute__ ((__nonnull__ (1, 4)));
 483 extern double strtod_l (const char *__restrict __nptr,
 484    char **__restrict __endptr, __locale_t __loc)
 485      throw () __attribute__ ((__nonnull__ (1, 3)));
 486 extern float strtof_l (const char *__restrict __nptr,
 487          char **__restrict __endptr, __locale_t __loc)
 488      throw () __attribute__ ((__nonnull__ (1, 3)));
 489 extern long double strtold_l (const char *__restrict __nptr,
 490          char **__restrict __endptr,
 491          __locale_t __loc)
 492      throw () __attribute__ ((__nonnull__ (1, 3)));
 493 extern __inline __attribute__ ((__gnu_inline__)) int
 494 __attribute__ ((__leaf__)) atoi (const char *__nptr) throw ()
 495 {
 496   return (int) strtol (__nptr, (char **) __null, 10);
 497 }
 498 extern __inline __attribute__ ((__gnu_inline__)) long int
 499 __attribute__ ((__leaf__)) atol (const char *__nptr) throw ()
 500 {
 501   return strtol (__nptr, (char **) __null, 10);
 502 }
 503 __extension__ extern __inline __attribute__ ((__gnu_inline__)) long long int
 504 __attribute__ ((__leaf__)) atoll (const char *__nptr) throw ()
 505 {
 506   return strtoll (__nptr, (char **) __null, 10);
 507 }
 508 extern char *l64a (long int __n) throw () __attribute__ ((__warn_unused_result__));
 509 extern long int a64l (const char *__s)
 510      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 511 extern "C" {
 512 typedef __u_char u_char;
 513 typedef __u_short u_short;
 514 typedef __u_int u_int;
 515 typedef __u_long u_long;
 516 typedef __quad_t quad_t;
 517 typedef __u_quad_t u_quad_t;
 518 typedef __fsid_t fsid_t;
 519 typedef __loff_t loff_t;
 520 typedef __ino_t ino_t;
 521 typedef __ino64_t ino64_t;
 522 typedef __dev_t dev_t;
 523 typedef __gid_t gid_t;
 524 typedef __mode_t mode_t;
 525 typedef __nlink_t nlink_t;
 526 typedef __uid_t uid_t;
 527 typedef __off_t off_t;
 528 typedef __off64_t off64_t;
 529 typedef __pid_t pid_t;
 530 typedef __id_t id_t;
 531 typedef __ssize_t ssize_t;
 532 typedef __daddr_t daddr_t;
 533 typedef __caddr_t caddr_t;
 534 typedef __key_t key_t;
 535 typedef __clock_t clock_t;
 536 typedef __time_t time_t;
 537 typedef __clockid_t clockid_t;
 538 typedef __timer_t timer_t;
 539 typedef __useconds_t useconds_t;
 540 typedef __suseconds_t suseconds_t;
 541 typedef unsigned long int ulong;
 542 typedef unsigned short int ushort;
 543 typedef unsigned int uint;
 544 typedef int int8_t __attribute__ ((__mode__ (__QI__)));
 545 typedef int int16_t __attribute__ ((__mode__ (__HI__)));
 546 typedef int int32_t __attribute__ ((__mode__ (__SI__)));
 547 typedef int int64_t __attribute__ ((__mode__ (__DI__)));
 548 typedef unsigned int u_int8_t __attribute__ ((__mode__ (__QI__)));
 549 typedef unsigned int u_int16_t __attribute__ ((__mode__ (__HI__)));
 550 typedef unsigned int u_int32_t __attribute__ ((__mode__ (__SI__)));
 551 typedef unsigned int u_int64_t __attribute__ ((__mode__ (__DI__)));
 552 typedef int register_t __attribute__ ((__mode__ (__word__)));
 553 typedef int __sig_atomic_t;
 554 typedef struct
 555   {
 556     unsigned long int __val[(1024 / (8 * sizeof (unsigned long int)))];
 557   } __sigset_t;
 558 typedef __sigset_t sigset_t;
 559 struct timespec
 560   {
 561     __time_t tv_sec;
 562     __syscall_slong_t tv_nsec;
 563   };
 564 struct timeval
 565   {
 566     __time_t tv_sec;
 567     __suseconds_t tv_usec;
 568   };
 569 typedef long int __fd_mask;
 570 typedef struct
 571   {
 572     __fd_mask fds_bits[1024 / (8 * (int) sizeof (__fd_mask))];
 573   } fd_set;
 574 typedef __fd_mask fd_mask;
 575 extern "C" {
 576 extern int select (int __nfds, fd_set *__restrict __readfds,
 577      fd_set *__restrict __writefds,
 578      fd_set *__restrict __exceptfds,
 579      struct timeval *__restrict __timeout);
 580 extern int pselect (int __nfds, fd_set *__restrict __readfds,
 581       fd_set *__restrict __writefds,
 582       fd_set *__restrict __exceptfds,
 583       const struct timespec *__restrict __timeout,
 584       const __sigset_t *__restrict __sigmask);
 585 extern long int __fdelt_chk (long int __d);
 586 extern long int __fdelt_warn (long int __d)
 587   __attribute__((__warning__ ("bit outside of fd_set selected")));
 588 }
 589 extern "C" {
 590 __extension__
 591 extern unsigned int gnu_dev_major (unsigned long long int __dev)
 592      throw () __attribute__ ((__const__));
 593 __extension__
 594 extern unsigned int gnu_dev_minor (unsigned long long int __dev)
 595      throw () __attribute__ ((__const__));
 596 __extension__
 597 extern unsigned long long int gnu_dev_makedev (unsigned int __major,
 598             unsigned int __minor)
 599      throw () __attribute__ ((__const__));
 600 __extension__ extern __inline __attribute__ ((__gnu_inline__)) __attribute__ ((__const__)) unsigned int
 601 __attribute__ ((__leaf__)) gnu_dev_major (unsigned long long int __dev) throw ()
 602 {
 603   return ((__dev >> 8) & 0xfff) | ((unsigned int) (__dev >> 32) & ~0xfff);
 604 }
 605 __extension__ extern __inline __attribute__ ((__gnu_inline__)) __attribute__ ((__const__)) unsigned int
 606 __attribute__ ((__leaf__)) gnu_dev_minor (unsigned long long int __dev) throw ()
 607 {
 608   return (__dev & 0xff) | ((unsigned int) (__dev >> 12) & ~0xff);
 609 }
 610 __extension__ extern __inline __attribute__ ((__gnu_inline__)) __attribute__ ((__const__)) unsigned long long int
 611 __attribute__ ((__leaf__)) gnu_dev_makedev (unsigned int __major, unsigned int __minor) throw ()
 612 {
 613   return ((__minor & 0xff) | ((__major & 0xfff) << 8)
 614    | (((unsigned long long int) (__minor & ~0xff)) << 12)
 615    | (((unsigned long long int) (__major & ~0xfff)) << 32));
 616 }
 617 }
 618 typedef __blksize_t blksize_t;
 619 typedef __blkcnt_t blkcnt_t;
 620 typedef __fsblkcnt_t fsblkcnt_t;
 621 typedef __fsfilcnt_t fsfilcnt_t;
 622 typedef __blkcnt64_t blkcnt64_t;
 623 typedef __fsblkcnt64_t fsblkcnt64_t;
 624 typedef __fsfilcnt64_t fsfilcnt64_t;
 625 typedef unsigned long int pthread_t;
 626 union pthread_attr_t
 627 {
 628   char __size[56];
 629   long int __align;
 630 };
 631 typedef union pthread_attr_t pthread_attr_t;
 632 typedef struct __pthread_internal_list
 633 {
 634   struct __pthread_internal_list *__prev;
 635   struct __pthread_internal_list *__next;
 636 } __pthread_list_t;
 637 typedef union
 638 {
 639   struct __pthread_mutex_s
 640   {
 641     int __lock;
 642     unsigned int __count;
 643     int __owner;
 644     unsigned int __nusers;
 645     int __kind;
 646     short __spins;
 647     short __elision;
 648     __pthread_list_t __list;
 649   } __data;
 650   char __size[40];
 651   long int __align;
 652 } pthread_mutex_t;
 653 typedef union
 654 {
 655   char __size[4];
 656   int __align;
 657 } pthread_mutexattr_t;
 658 typedef union
 659 {
 660   struct
 661   {
 662     int __lock;
 663     unsigned int __futex;
 664     __extension__ unsigned long long int __total_seq;
 665     __extension__ unsigned long long int __wakeup_seq;
 666     __extension__ unsigned long long int __woken_seq;
 667     void *__mutex;
 668     unsigned int __nwaiters;
 669     unsigned int __broadcast_seq;
 670   } __data;
 671   char __size[48];
 672   __extension__ long long int __align;
 673 } pthread_cond_t;
 674 typedef union
 675 {
 676   char __size[4];
 677   int __align;
 678 } pthread_condattr_t;
 679 typedef unsigned int pthread_key_t;
 680 typedef int pthread_once_t;
 681 typedef union
 682 {
 683   struct
 684   {
 685     int __lock;
 686     unsigned int __nr_readers;
 687     unsigned int __readers_wakeup;
 688     unsigned int __writer_wakeup;
 689     unsigned int __nr_readers_queued;
 690     unsigned int __nr_writers_queued;
 691     int __writer;
 692     int __shared;
 693     unsigned char __rwelision;
 694     unsigned char __pad1[7];
 695     unsigned long int __pad2;
 696     unsigned int __flags;
 697   } __data;
 698   char __size[56];
 699   long int __align;
 700 } pthread_rwlock_t;
 701 typedef union
 702 {
 703   char __size[8];
 704   long int __align;
 705 } pthread_rwlockattr_t;
 706 typedef volatile int pthread_spinlock_t;
 707 typedef union
 708 {
 709   char __size[32];
 710   long int __align;
 711 } pthread_barrier_t;
 712 typedef union
 713 {
 714   char __size[4];
 715   int __align;
 716 } pthread_barrierattr_t;
 717 }
 718 extern long int random (void) throw ();
 719 extern void srandom (unsigned int __seed) throw ();
 720 extern char *initstate (unsigned int __seed, char *__statebuf,
 721    size_t __statelen) throw () __attribute__ ((__nonnull__ (2)));
 722 extern char *setstate (char *__statebuf) throw () __attribute__ ((__nonnull__ (1)));
 723 struct random_data
 724   {
 725     int32_t *fptr;
 726     int32_t *rptr;
 727     int32_t *state;
 728     int rand_type;
 729     int rand_deg;
 730     int rand_sep;
 731     int32_t *end_ptr;
 732   };
 733 extern int random_r (struct random_data *__restrict __buf,
 734        int32_t *__restrict __result) throw () __attribute__ ((__nonnull__ (1, 2)));
 735 extern int srandom_r (unsigned int __seed, struct random_data *__buf)
 736      throw () __attribute__ ((__nonnull__ (2)));
 737 extern int initstate_r (unsigned int __seed, char *__restrict __statebuf,
 738    size_t __statelen,
 739    struct random_data *__restrict __buf)
 740      throw () __attribute__ ((__nonnull__ (2, 4)));
 741 extern int setstate_r (char *__restrict __statebuf,
 742          struct random_data *__restrict __buf)
 743      throw () __attribute__ ((__nonnull__ (1, 2)));
 744 extern int rand (void) throw ();
 745 extern void srand (unsigned int __seed) throw ();
 746 extern int rand_r (unsigned int *__seed) throw ();
 747 extern double drand48 (void) throw ();
 748 extern double erand48 (unsigned short int __xsubi[3]) throw () __attribute__ ((__nonnull__ (1)));
 749 extern long int lrand48 (void) throw ();
 750 extern long int nrand48 (unsigned short int __xsubi[3])
 751      throw () __attribute__ ((__nonnull__ (1)));
 752 extern long int mrand48 (void) throw ();
 753 extern long int jrand48 (unsigned short int __xsubi[3])
 754      throw () __attribute__ ((__nonnull__ (1)));
 755 extern void srand48 (long int __seedval) throw ();
 756 extern unsigned short int *seed48 (unsigned short int __seed16v[3])
 757      throw () __attribute__ ((__nonnull__ (1)));
 758 extern void lcong48 (unsigned short int __param[7]) throw () __attribute__ ((__nonnull__ (1)));
 759 struct drand48_data
 760   {
 761     unsigned short int __x[3];
 762     unsigned short int __old_x[3];
 763     unsigned short int __c;
 764     unsigned short int __init;
 765     __extension__ unsigned long long int __a;
 766   };
 767 extern int drand48_r (struct drand48_data *__restrict __buffer,
 768         double *__restrict __result) throw () __attribute__ ((__nonnull__ (1, 2)));
 769 extern int erand48_r (unsigned short int __xsubi[3],
 770         struct drand48_data *__restrict __buffer,
 771         double *__restrict __result) throw () __attribute__ ((__nonnull__ (1, 2)));
 772 extern int lrand48_r (struct drand48_data *__restrict __buffer,
 773         long int *__restrict __result)
 774      throw () __attribute__ ((__nonnull__ (1, 2)));
 775 extern int nrand48_r (unsigned short int __xsubi[3],
 776         struct drand48_data *__restrict __buffer,
 777         long int *__restrict __result)
 778      throw () __attribute__ ((__nonnull__ (1, 2)));
 779 extern int mrand48_r (struct drand48_data *__restrict __buffer,
 780         long int *__restrict __result)
 781      throw () __attribute__ ((__nonnull__ (1, 2)));
 782 extern int jrand48_r (unsigned short int __xsubi[3],
 783         struct drand48_data *__restrict __buffer,
 784         long int *__restrict __result)
 785      throw () __attribute__ ((__nonnull__ (1, 2)));
 786 extern int srand48_r (long int __seedval, struct drand48_data *__buffer)
 787      throw () __attribute__ ((__nonnull__ (2)));
 788 extern int seed48_r (unsigned short int __seed16v[3],
 789        struct drand48_data *__buffer) throw () __attribute__ ((__nonnull__ (1, 2)));
 790 extern int lcong48_r (unsigned short int __param[7],
 791         struct drand48_data *__buffer)
 792      throw () __attribute__ ((__nonnull__ (1, 2)));
 793 extern void *malloc (size_t __size) throw () __attribute__ ((__malloc__)) __attribute__ ((__warn_unused_result__));
 794 extern void *calloc (size_t __nmemb, size_t __size)
 795      throw () __attribute__ ((__malloc__)) __attribute__ ((__warn_unused_result__));
 796 extern void *realloc (void *__ptr, size_t __size)
 797      throw () __attribute__ ((__warn_unused_result__));
 798 extern void free (void *__ptr) throw ();
 799 extern void cfree (void *__ptr) throw ();
 800 extern "C" {
 801 extern void *alloca (size_t __size) throw ();
 802 }
 803 extern void *valloc (size_t __size) throw () __attribute__ ((__malloc__)) __attribute__ ((__warn_unused_result__));
 804 extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
 805      throw () __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 806 extern void *aligned_alloc (size_t __alignment, size_t __size)
 807      throw () __attribute__ ((__malloc__)) __attribute__ ((__alloc_size__ (2))) __attribute__ ((__warn_unused_result__));
 808 extern void abort (void) throw () __attribute__ ((__noreturn__));
 809 extern int atexit (void (*__func) (void)) throw () __attribute__ ((__nonnull__ (1)));
 810 extern "C++" int at_quick_exit (void (*__func) (void))
 811      throw () __asm ("at_quick_exit") __attribute__ ((__nonnull__ (1)));
 812 extern int on_exit (void (*__func) (int __status, void *__arg), void *__arg)
 813      throw () __attribute__ ((__nonnull__ (1)));
 814 extern void exit (int __status) throw () __attribute__ ((__noreturn__));
 815 extern void quick_exit (int __status) throw () __attribute__ ((__noreturn__));
 816 extern void _Exit (int __status) throw () __attribute__ ((__noreturn__));
 817 extern char *getenv (const char *__name) throw () __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 818 extern char *secure_getenv (const char *__name)
 819      throw () __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 820 extern int putenv (char *__string) throw () __attribute__ ((__nonnull__ (1)));
 821 extern int setenv (const char *__name, const char *__value, int __replace)
 822      throw () __attribute__ ((__nonnull__ (2)));
 823 extern int unsetenv (const char *__name) throw () __attribute__ ((__nonnull__ (1)));
 824 extern int clearenv (void) throw ();
 825 extern char *mktemp (char *__template) throw () __attribute__ ((__nonnull__ (1)));
 826 extern int mkstemp (char *__template) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 827 extern int mkstemp64 (char *__template) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 828 extern int mkstemps (char *__template, int __suffixlen) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 829 extern int mkstemps64 (char *__template, int __suffixlen)
 830      __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 831 extern char *mkdtemp (char *__template) throw () __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 832 extern int mkostemp (char *__template, int __flags) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 833 extern int mkostemp64 (char *__template, int __flags) __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 834 extern int mkostemps (char *__template, int __suffixlen, int __flags)
 835      __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 836 extern int mkostemps64 (char *__template, int __suffixlen, int __flags)
 837      __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 838 extern int system (const char *__command) __attribute__ ((__warn_unused_result__));
 839 extern char *canonicalize_file_name (const char *__name)
 840      throw () __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 841 extern char *realpath (const char *__restrict __name,
 842          char *__restrict __resolved) throw () __attribute__ ((__warn_unused_result__));
 843 typedef int (*__compar_fn_t) (const void *, const void *);
 844 typedef __compar_fn_t comparison_fn_t;
 845 typedef int (*__compar_d_fn_t) (const void *, const void *, void *);
 846 extern void *bsearch (const void *__key, const void *__base,
 847         size_t __nmemb, size_t __size, __compar_fn_t __compar)
 848      __attribute__ ((__nonnull__ (1, 2, 5))) __attribute__ ((__warn_unused_result__));
 849 extern __inline __attribute__ ((__gnu_inline__)) void *
 850 bsearch (const void *__key, const void *__base, size_t __nmemb, size_t __size,
 851   __compar_fn_t __compar)
 852 {
 853   size_t __l, __u, __idx;
 854   const void *__p;
 855   int __comparison;
 856   __l = 0;
 857   __u = __nmemb;
 858   while (__l < __u)
 859     {
 860       __idx = (__l + __u) / 2;
 861       __p = (void *) (((const char *) __base) + (__idx * __size));
 862       __comparison = (*__compar) (__key, __p);
 863       if (__comparison < 0)
 864  __u = __idx;
 865       else if (__comparison > 0)
 866  __l = __idx + 1;
 867       else
 868  return (void *) __p;
 869     }
 870   return __null;
 871 }
 872 extern void qsort (void *__base, size_t __nmemb, size_t __size,
 873      __compar_fn_t __compar) __attribute__ ((__nonnull__ (1, 4)));
 874 extern void qsort_r (void *__base, size_t __nmemb, size_t __size,
 875        __compar_d_fn_t __compar, void *__arg)
 876   __attribute__ ((__nonnull__ (1, 4)));
 877 extern int abs (int __x) throw () __attribute__ ((__const__)) __attribute__ ((__warn_unused_result__));
 878 extern long int labs (long int __x) throw () __attribute__ ((__const__)) __attribute__ ((__warn_unused_result__));
 879 __extension__ extern long long int llabs (long long int __x)
 880      throw () __attribute__ ((__const__)) __attribute__ ((__warn_unused_result__));
 881 extern div_t div (int __numer, int __denom)
 882      throw () __attribute__ ((__const__)) __attribute__ ((__warn_unused_result__));
 883 extern ldiv_t ldiv (long int __numer, long int __denom)
 884      throw () __attribute__ ((__const__)) __attribute__ ((__warn_unused_result__));
 885 __extension__ extern lldiv_t lldiv (long long int __numer,
 886         long long int __denom)
 887      throw () __attribute__ ((__const__)) __attribute__ ((__warn_unused_result__));
 888 extern char *ecvt (double __value, int __ndigit, int *__restrict __decpt,
 889      int *__restrict __sign) throw () __attribute__ ((__nonnull__ (3, 4))) __attribute__ ((__warn_unused_result__));
 890 extern char *fcvt (double __value, int __ndigit, int *__restrict __decpt,
 891      int *__restrict __sign) throw () __attribute__ ((__nonnull__ (3, 4))) __attribute__ ((__warn_unused_result__));
 892 extern char *gcvt (double __value, int __ndigit, char *__buf)
 893      throw () __attribute__ ((__nonnull__ (3))) __attribute__ ((__warn_unused_result__));
 894 extern char *qecvt (long double __value, int __ndigit,
 895       int *__restrict __decpt, int *__restrict __sign)
 896      throw () __attribute__ ((__nonnull__ (3, 4))) __attribute__ ((__warn_unused_result__));
 897 extern char *qfcvt (long double __value, int __ndigit,
 898       int *__restrict __decpt, int *__restrict __sign)
 899      throw () __attribute__ ((__nonnull__ (3, 4))) __attribute__ ((__warn_unused_result__));
 900 extern char *qgcvt (long double __value, int __ndigit, char *__buf)
 901      throw () __attribute__ ((__nonnull__ (3))) __attribute__ ((__warn_unused_result__));
 902 extern int ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
 903      int *__restrict __sign, char *__restrict __buf,
 904      size_t __len) throw () __attribute__ ((__nonnull__ (3, 4, 5)));
 905 extern int fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
 906      int *__restrict __sign, char *__restrict __buf,
 907      size_t __len) throw () __attribute__ ((__nonnull__ (3, 4, 5)));
 908 extern int qecvt_r (long double __value, int __ndigit,
 909       int *__restrict __decpt, int *__restrict __sign,
 910       char *__restrict __buf, size_t __len)
 911      throw () __attribute__ ((__nonnull__ (3, 4, 5)));
 912 extern int qfcvt_r (long double __value, int __ndigit,
 913       int *__restrict __decpt, int *__restrict __sign,
 914       char *__restrict __buf, size_t __len)
 915      throw () __attribute__ ((__nonnull__ (3, 4, 5)));
 916 extern int mblen (const char *__s, size_t __n) throw ();
 917 extern int mbtowc (wchar_t *__restrict __pwc,
 918      const char *__restrict __s, size_t __n) throw ();
 919 extern int wctomb (char *__s, wchar_t __wchar) throw ();
 920 extern size_t mbstowcs (wchar_t *__restrict __pwcs,
 921    const char *__restrict __s, size_t __n) throw ();
 922 extern size_t wcstombs (char *__restrict __s,
 923    const wchar_t *__restrict __pwcs, size_t __n)
 924      throw ();
 925 extern int rpmatch (const char *__response) throw () __attribute__ ((__nonnull__ (1))) __attribute__ ((__warn_unused_result__));
 926 extern int getsubopt (char **__restrict __optionp,
 927         char *const *__restrict __tokens,
 928         char **__restrict __valuep)
 929      throw () __attribute__ ((__nonnull__ (1, 2, 3))) __attribute__ ((__warn_unused_result__));
 930 extern void setkey (const char *__key) throw () __attribute__ ((__nonnull__ (1)));
 931 extern int posix_openpt (int __oflag) __attribute__ ((__warn_unused_result__));
 932 extern int grantpt (int __fd) throw ();
 933 extern int unlockpt (int __fd) throw ();
 934 extern char *ptsname (int __fd) throw () __attribute__ ((__warn_unused_result__));
 935 extern int ptsname_r (int __fd, char *__buf, size_t __buflen)
 936      throw () __attribute__ ((__nonnull__ (2)));
 937 extern int getpt (void);
 938 extern int getloadavg (double __loadavg[], int __nelem)
 939      throw () __attribute__ ((__nonnull__ (1)));
 940 extern __inline __attribute__ ((__gnu_inline__)) double
 941 __attribute__ ((__leaf__)) atof (const char *__nptr) throw ()
 942 {
 943   return strtod (__nptr, (char **) __null);
 944 }
 945 extern char *__realpath_chk (const char *__restrict __name,
 946         char *__restrict __resolved,
 947         size_t __resolvedlen) throw () __attribute__ ((__warn_unused_result__));
 948 extern char *__realpath_alias (const char *__restrict __name, char *__restrict __resolved) throw () __asm__ ("" "realpath")
 949                                                  __attribute__ ((__warn_unused_result__));
 950 extern char *__realpath_chk_warn (const char *__restrict __name, char *__restrict __resolved, size_t __resolvedlen) throw () __asm__ ("" "__realpath_chk")
 951                                                 __attribute__ ((__warn_unused_result__))
 952      __attribute__((__warning__ ("second argument of realpath must be either NULL or at " "least PATH_MAX bytes long buffer")))
 953                                       ;
 954 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) __attribute__ ((__warn_unused_result__)) char *
 955 __attribute__ ((__leaf__)) realpath (const char *__restrict __name, char *__restrict __resolved) throw ()
 956 {
 957   if (__builtin_object_size (__resolved, 2 > 1) != (size_t) -1)
 958     {
 959       return __realpath_chk (__name, __resolved, __builtin_object_size (__resolved, 2 > 1));
 960     }
 961   return __realpath_alias (__name, __resolved);
 962 }
 963 extern int __ptsname_r_chk (int __fd, char *__buf, size_t __buflen,
 964        size_t __nreal) throw () __attribute__ ((__nonnull__ (2)));
 965 extern int __ptsname_r_alias (int __fd, char *__buf, size_t __buflen) throw () __asm__ ("" "ptsname_r")
 966      __attribute__ ((__nonnull__ (2)));
 967 extern int __ptsname_r_chk_warn (int __fd, char *__buf, size_t __buflen, size_t __nreal) throw () __asm__ ("" "__ptsname_r_chk")
 968      __attribute__ ((__nonnull__ (2))) __attribute__((__warning__ ("ptsname_r called with buflen bigger than " "size of buf")))
 969                    ;
 970 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
 971 __attribute__ ((__leaf__)) ptsname_r (int __fd, char *__buf, size_t __buflen) throw ()
 972 {
 973   if (__builtin_object_size (__buf, 2 > 1) != (size_t) -1)
 974     {
 975       if (!__builtin_constant_p (__buflen))
 976  return __ptsname_r_chk (__fd, __buf, __buflen, __builtin_object_size (__buf, 2 > 1));
 977       if (__buflen > __builtin_object_size (__buf, 2 > 1))
 978  return __ptsname_r_chk_warn (__fd, __buf, __buflen, __builtin_object_size (__buf, 2 > 1));
 979     }
 980   return __ptsname_r_alias (__fd, __buf, __buflen);
 981 }
 982 extern int __wctomb_chk (char *__s, wchar_t __wchar, size_t __buflen)
 983   throw () __attribute__ ((__warn_unused_result__));
 984 extern int __wctomb_alias (char *__s, wchar_t __wchar) throw () __asm__ ("" "wctomb")
 985               __attribute__ ((__warn_unused_result__));
 986 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) __attribute__ ((__warn_unused_result__)) int
 987 __attribute__ ((__leaf__)) wctomb (char *__s, wchar_t __wchar) throw ()
 988 {
 989   if (__builtin_object_size (__s, 2 > 1) != (size_t) -1 && 16 > __builtin_object_size (__s, 2 > 1))
 990     return __wctomb_chk (__s, __wchar, __builtin_object_size (__s, 2 > 1));
 991   return __wctomb_alias (__s, __wchar);
 992 }
 993 extern size_t __mbstowcs_chk (wchar_t *__restrict __dst,
 994          const char *__restrict __src,
 995          size_t __len, size_t __dstlen) throw ();
 996 extern size_t __mbstowcs_alias (wchar_t *__restrict __dst, const char *__restrict __src, size_t __len) throw () __asm__ ("" "mbstowcs")
 997                                   ;
 998 extern size_t __mbstowcs_chk_warn (wchar_t *__restrict __dst, const char *__restrict __src, size_t __len, size_t __dstlen) throw () __asm__ ("" "__mbstowcs_chk")
 999      __attribute__((__warning__ ("mbstowcs called with dst buffer smaller than len " "* sizeof (wchar_t)")))
1000                         ;
1001 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) size_t
1002 __attribute__ ((__leaf__)) mbstowcs (wchar_t *__restrict __dst, const char *__restrict __src, size_t __len) throw ()
1003 {
1004   if (__builtin_object_size (__dst, 2 > 1) != (size_t) -1)
1005     {
1006       if (!__builtin_constant_p (__len))
1007  return __mbstowcs_chk (__dst, __src, __len,
1008           __builtin_object_size (__dst, 2 > 1) / sizeof (wchar_t));
1009       if (__len > __builtin_object_size (__dst, 2 > 1) / sizeof (wchar_t))
1010  return __mbstowcs_chk_warn (__dst, __src, __len,
1011          __builtin_object_size (__dst, 2 > 1) / sizeof (wchar_t));
1012     }
1013   return __mbstowcs_alias (__dst, __src, __len);
1014 }
1015 extern size_t __wcstombs_chk (char *__restrict __dst,
1016          const wchar_t *__restrict __src,
1017          size_t __len, size_t __dstlen) throw ();
1018 extern size_t __wcstombs_alias (char *__restrict __dst, const wchar_t *__restrict __src, size_t __len) throw () __asm__ ("" "wcstombs")
1019                                   ;
1020 extern size_t __wcstombs_chk_warn (char *__restrict __dst, const wchar_t *__restrict __src, size_t __len, size_t __dstlen) throw () __asm__ ("" "__wcstombs_chk")
1021      __attribute__((__warning__ ("wcstombs called with dst buffer smaller than len")));
1022 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) size_t
1023 __attribute__ ((__leaf__)) wcstombs (char *__restrict __dst, const wchar_t *__restrict __src, size_t __len) throw ()
1024 {
1025   if (__builtin_object_size (__dst, 2 > 1) != (size_t) -1)
1026     {
1027       if (!__builtin_constant_p (__len))
1028  return __wcstombs_chk (__dst, __src, __len, __builtin_object_size (__dst, 2 > 1));
1029       if (__len > __builtin_object_size (__dst, 2 > 1))
1030  return __wcstombs_chk_warn (__dst, __src, __len, __builtin_object_size (__dst, 2 > 1));
1031     }
1032   return __wcstombs_alias (__dst, __src, __len);
1033 }
1034 }
1035 extern "C" {
1036 extern void *memcpy (void *__restrict __dest, const void *__restrict __src,
1037        size_t __n) throw () __attribute__ ((__nonnull__ (1, 2)));
1038 extern void *memmove (void *__dest, const void *__src, size_t __n)
1039      throw () __attribute__ ((__nonnull__ (1, 2)));
1040 extern void *memccpy (void *__restrict __dest, const void *__restrict __src,
1041         int __c, size_t __n)
1042      throw () __attribute__ ((__nonnull__ (1, 2)));
1043 extern void *memset (void *__s, int __c, size_t __n) throw () __attribute__ ((__nonnull__ (1)));
1044 extern int memcmp (const void *__s1, const void *__s2, size_t __n)
1045      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1046 extern "C++"
1047 {
1048 extern void *memchr (void *__s, int __c, size_t __n)
1049       throw () __asm ("memchr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1050 extern const void *memchr (const void *__s, int __c, size_t __n)
1051       throw () __asm ("memchr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1052 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) void *
1053 memchr (void *__s, int __c, size_t __n) throw ()
1054 {
1055   return __builtin_memchr (__s, __c, __n);
1056 }
1057 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) const void *
1058 memchr (const void *__s, int __c, size_t __n) throw ()
1059 {
1060   return __builtin_memchr (__s, __c, __n);
1061 }
1062 }
1063 extern "C++" void *rawmemchr (void *__s, int __c)
1064      throw () __asm ("rawmemchr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1065 extern "C++" const void *rawmemchr (const void *__s, int __c)
1066      throw () __asm ("rawmemchr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1067 extern "C++" void *memrchr (void *__s, int __c, size_t __n)
1068       throw () __asm ("memrchr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1069 extern "C++" const void *memrchr (const void *__s, int __c, size_t __n)
1070       throw () __asm ("memrchr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1071 extern char *strcpy (char *__restrict __dest, const char *__restrict __src)
1072      throw () __attribute__ ((__nonnull__ (1, 2)));
1073 extern char *strncpy (char *__restrict __dest,
1074         const char *__restrict __src, size_t __n)
1075      throw () __attribute__ ((__nonnull__ (1, 2)));
1076 extern char *strcat (char *__restrict __dest, const char *__restrict __src)
1077      throw () __attribute__ ((__nonnull__ (1, 2)));
1078 extern char *strncat (char *__restrict __dest, const char *__restrict __src,
1079         size_t __n) throw () __attribute__ ((__nonnull__ (1, 2)));
1080 extern int strcmp (const char *__s1, const char *__s2)
1081      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1082 extern int strncmp (const char *__s1, const char *__s2, size_t __n)
1083      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1084 extern int strcoll (const char *__s1, const char *__s2)
1085      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1086 extern size_t strxfrm (char *__restrict __dest,
1087          const char *__restrict __src, size_t __n)
1088      throw () __attribute__ ((__nonnull__ (2)));
1089 extern int strcoll_l (const char *__s1, const char *__s2, __locale_t __l)
1090      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2, 3)));
1091 extern size_t strxfrm_l (char *__dest, const char *__src, size_t __n,
1092     __locale_t __l) throw () __attribute__ ((__nonnull__ (2, 4)));
1093 extern char *strdup (const char *__s)
1094      throw () __attribute__ ((__malloc__)) __attribute__ ((__nonnull__ (1)));
1095 extern char *strndup (const char *__string, size_t __n)
1096      throw () __attribute__ ((__malloc__)) __attribute__ ((__nonnull__ (1)));
1097 extern "C++"
1098 {
1099 extern char *strchr (char *__s, int __c)
1100      throw () __asm ("strchr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1101 extern const char *strchr (const char *__s, int __c)
1102      throw () __asm ("strchr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1103 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) char *
1104 strchr (char *__s, int __c) throw ()
1105 {
1106   return __builtin_strchr (__s, __c);
1107 }
1108 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) const char *
1109 strchr (const char *__s, int __c) throw ()
1110 {
1111   return __builtin_strchr (__s, __c);
1112 }
1113 }
1114 extern "C++"
1115 {
1116 extern char *strrchr (char *__s, int __c)
1117      throw () __asm ("strrchr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1118 extern const char *strrchr (const char *__s, int __c)
1119      throw () __asm ("strrchr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1120 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) char *
1121 strrchr (char *__s, int __c) throw ()
1122 {
1123   return __builtin_strrchr (__s, __c);
1124 }
1125 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) const char *
1126 strrchr (const char *__s, int __c) throw ()
1127 {
1128   return __builtin_strrchr (__s, __c);
1129 }
1130 }
1131 extern "C++" char *strchrnul (char *__s, int __c)
1132      throw () __asm ("strchrnul") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1133 extern "C++" const char *strchrnul (const char *__s, int __c)
1134      throw () __asm ("strchrnul") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1135 extern size_t strcspn (const char *__s, const char *__reject)
1136      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1137 extern size_t strspn (const char *__s, const char *__accept)
1138      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1139 extern "C++"
1140 {
1141 extern char *strpbrk (char *__s, const char *__accept)
1142      throw () __asm ("strpbrk") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1143 extern const char *strpbrk (const char *__s, const char *__accept)
1144      throw () __asm ("strpbrk") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1145 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) char *
1146 strpbrk (char *__s, const char *__accept) throw ()
1147 {
1148   return __builtin_strpbrk (__s, __accept);
1149 }
1150 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) const char *
1151 strpbrk (const char *__s, const char *__accept) throw ()
1152 {
1153   return __builtin_strpbrk (__s, __accept);
1154 }
1155 }
1156 extern "C++"
1157 {
1158 extern char *strstr (char *__haystack, const char *__needle)
1159      throw () __asm ("strstr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1160 extern const char *strstr (const char *__haystack, const char *__needle)
1161      throw () __asm ("strstr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1162 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) char *
1163 strstr (char *__haystack, const char *__needle) throw ()
1164 {
1165   return __builtin_strstr (__haystack, __needle);
1166 }
1167 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) const char *
1168 strstr (const char *__haystack, const char *__needle) throw ()
1169 {
1170   return __builtin_strstr (__haystack, __needle);
1171 }
1172 }
1173 extern char *strtok (char *__restrict __s, const char *__restrict __delim)
1174      throw () __attribute__ ((__nonnull__ (2)));
1175 extern char *__strtok_r (char *__restrict __s,
1176     const char *__restrict __delim,
1177     char **__restrict __save_ptr)
1178      throw () __attribute__ ((__nonnull__ (2, 3)));
1179 extern char *strtok_r (char *__restrict __s, const char *__restrict __delim,
1180          char **__restrict __save_ptr)
1181      throw () __attribute__ ((__nonnull__ (2, 3)));
1182 extern "C++" char *strcasestr (char *__haystack, const char *__needle)
1183      throw () __asm ("strcasestr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1184 extern "C++" const char *strcasestr (const char *__haystack,
1185          const char *__needle)
1186      throw () __asm ("strcasestr") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1187 extern void *memmem (const void *__haystack, size_t __haystacklen,
1188        const void *__needle, size_t __needlelen)
1189      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 3)));
1190 extern void *__mempcpy (void *__restrict __dest,
1191    const void *__restrict __src, size_t __n)
1192      throw () __attribute__ ((__nonnull__ (1, 2)));
1193 extern void *mempcpy (void *__restrict __dest,
1194         const void *__restrict __src, size_t __n)
1195      throw () __attribute__ ((__nonnull__ (1, 2)));
1196 extern size_t strlen (const char *__s)
1197      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1198 extern size_t strnlen (const char *__string, size_t __maxlen)
1199      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1200 extern char *strerror (int __errnum) throw ();
1201 extern char *strerror_r (int __errnum, char *__buf, size_t __buflen)
1202      throw () __attribute__ ((__nonnull__ (2))) __attribute__ ((__warn_unused_result__));
1203 extern char *strerror_l (int __errnum, __locale_t __l) throw ();
1204 extern void __bzero (void *__s, size_t __n) throw () __attribute__ ((__nonnull__ (1)));
1205 extern void bcopy (const void *__src, void *__dest, size_t __n)
1206      throw () __attribute__ ((__nonnull__ (1, 2)));
1207 extern void bzero (void *__s, size_t __n) throw () __attribute__ ((__nonnull__ (1)));
1208 extern int bcmp (const void *__s1, const void *__s2, size_t __n)
1209      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1210 extern "C++"
1211 {
1212 extern char *index (char *__s, int __c)
1213      throw () __asm ("index") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1214 extern const char *index (const char *__s, int __c)
1215      throw () __asm ("index") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1216 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) char *
1217 index (char *__s, int __c) throw ()
1218 {
1219   return __builtin_index (__s, __c);
1220 }
1221 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) const char *
1222 index (const char *__s, int __c) throw ()
1223 {
1224   return __builtin_index (__s, __c);
1225 }
1226 }
1227 extern "C++"
1228 {
1229 extern char *rindex (char *__s, int __c)
1230      throw () __asm ("rindex") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1231 extern const char *rindex (const char *__s, int __c)
1232      throw () __asm ("rindex") __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1)));
1233 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) char *
1234 rindex (char *__s, int __c) throw ()
1235 {
1236   return __builtin_rindex (__s, __c);
1237 }
1238 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) const char *
1239 rindex (const char *__s, int __c) throw ()
1240 {
1241   return __builtin_rindex (__s, __c);
1242 }
1243 }
1244 extern int ffs (int __i) throw () __attribute__ ((__const__));
1245 extern int ffsl (long int __l) throw () __attribute__ ((__const__));
1246 __extension__ extern int ffsll (long long int __ll)
1247      throw () __attribute__ ((__const__));
1248 extern int strcasecmp (const char *__s1, const char *__s2)
1249      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1250 extern int strncasecmp (const char *__s1, const char *__s2, size_t __n)
1251      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1252 extern int strcasecmp_l (const char *__s1, const char *__s2,
1253     __locale_t __loc)
1254      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2, 3)));
1255 extern int strncasecmp_l (const char *__s1, const char *__s2,
1256      size_t __n, __locale_t __loc)
1257      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2, 4)));
1258 extern char *strsep (char **__restrict __stringp,
1259        const char *__restrict __delim)
1260      throw () __attribute__ ((__nonnull__ (1, 2)));
1261 extern char *strsignal (int __sig) throw ();
1262 extern char *__stpcpy (char *__restrict __dest, const char *__restrict __src)
1263      throw () __attribute__ ((__nonnull__ (1, 2)));
1264 extern char *stpcpy (char *__restrict __dest, const char *__restrict __src)
1265      throw () __attribute__ ((__nonnull__ (1, 2)));
1266 extern char *__stpncpy (char *__restrict __dest,
1267    const char *__restrict __src, size_t __n)
1268      throw () __attribute__ ((__nonnull__ (1, 2)));
1269 extern char *stpncpy (char *__restrict __dest,
1270         const char *__restrict __src, size_t __n)
1271      throw () __attribute__ ((__nonnull__ (1, 2)));
1272 extern int strverscmp (const char *__s1, const char *__s2)
1273      throw () __attribute__ ((__pure__)) __attribute__ ((__nonnull__ (1, 2)));
1274 extern char *strfry (char *__string) throw () __attribute__ ((__nonnull__ (1)));
1275 extern void *memfrob (void *__s, size_t __n) throw () __attribute__ ((__nonnull__ (1)));
1276 extern "C++" char *basename (char *__filename)
1277      throw () __asm ("basename") __attribute__ ((__nonnull__ (1)));
1278 extern "C++" const char *basename (const char *__filename)
1279      throw () __asm ("basename") __attribute__ ((__nonnull__ (1)));
1280 extern void __warn_memset_zero_len (void) __attribute__((__warning__ ("memset used with constant zero length parameter; this could be due to transposed parameters")))
1281                                                                                                    ;
1282 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) void *
1283 __attribute__ ((__leaf__)) memcpy (void *__restrict __dest, const void *__restrict __src, size_t __len) throw ()
1284 {
1285   return __builtin___memcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
1286 }
1287 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) void *
1288 __attribute__ ((__leaf__)) memmove (void *__dest, const void *__src, size_t __len) throw ()
1289 {
1290   return __builtin___memmove_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
1291 }
1292 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) void *
1293 __attribute__ ((__leaf__)) mempcpy (void *__restrict __dest, const void *__restrict __src, size_t __len) throw ()
1294 {
1295   return __builtin___mempcpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
1296 }
1297 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) void *
1298 __attribute__ ((__leaf__)) memset (void *__dest, int __ch, size_t __len) throw ()
1299 {
1300   if (__builtin_constant_p (__len) && __len == 0
1301       && (!__builtin_constant_p (__ch) || __ch != 0))
1302     {
1303       __warn_memset_zero_len ();
1304       return __dest;
1305     }
1306   return __builtin___memset_chk (__dest, __ch, __len, __builtin_object_size (__dest, 0));
1307 }
1308 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) void
1309 __attribute__ ((__leaf__)) bcopy (const void *__src, void *__dest, size_t __len) throw ()
1310 {
1311   (void) __builtin___memmove_chk (__dest, __src, __len, __builtin_object_size (__dest, 0));
1312 }
1313 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) void
1314 __attribute__ ((__leaf__)) bzero (void *__dest, size_t __len) throw ()
1315 {
1316   (void) __builtin___memset_chk (__dest, '\0', __len, __builtin_object_size (__dest, 0));
1317 }
1318 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) char *
1319 __attribute__ ((__leaf__)) strcpy (char *__restrict __dest, const char *__restrict __src) throw ()
1320 {
1321   return __builtin___strcpy_chk (__dest, __src, __builtin_object_size (__dest, 2 > 1));
1322 }
1323 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) char *
1324 __attribute__ ((__leaf__)) stpcpy (char *__restrict __dest, const char *__restrict __src) throw ()
1325 {
1326   return __builtin___stpcpy_chk (__dest, __src, __builtin_object_size (__dest, 2 > 1));
1327 }
1328 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) char *
1329 __attribute__ ((__leaf__)) strncpy (char *__restrict __dest, const char *__restrict __src, size_t __len) throw ()
1330 {
1331   return __builtin___strncpy_chk (__dest, __src, __len, __builtin_object_size (__dest, 2 > 1));
1332 }
1333 extern char *__stpncpy_chk (char *__dest, const char *__src, size_t __n,
1334        size_t __destlen) throw ();
1335 extern char *__stpncpy_alias (char *__dest, const char *__src, size_t __n) throw () __asm__ ("" "stpncpy")
1336                                  ;
1337 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) char *
1338 __attribute__ ((__leaf__)) stpncpy (char *__dest, const char *__src, size_t __n) throw ()
1339 {
1340   if (__builtin_object_size (__dest, 2 > 1) != (size_t) -1
1341       && (!__builtin_constant_p (__n) || __n <= __builtin_object_size (__dest, 2 > 1)))
1342     return __stpncpy_chk (__dest, __src, __n, __builtin_object_size (__dest, 2 > 1));
1343   return __stpncpy_alias (__dest, __src, __n);
1344 }
1345 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) char *
1346 __attribute__ ((__leaf__)) strcat (char *__restrict __dest, const char *__restrict __src) throw ()
1347 {
1348   return __builtin___strcat_chk (__dest, __src, __builtin_object_size (__dest, 2 > 1));
1349 }
1350 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) char *
1351 __attribute__ ((__leaf__)) strncat (char *__restrict __dest, const char *__restrict __src, size_t __len) throw ()
1352 {
1353   return __builtin___strncat_chk (__dest, __src, __len, __builtin_object_size (__dest, 2 > 1));
1354 }
1355 }
1356 typedef long int ptrdiff_t;
1357 typedef unsigned char uint8_t;
1358 typedef unsigned short int uint16_t;
1359 typedef unsigned int uint32_t;
1360 typedef unsigned long int uint64_t;
1361 typedef signed char int_least8_t;
1362 typedef short int int_least16_t;
1363 typedef int int_least32_t;
1364 typedef long int int_least64_t;
1365 typedef unsigned char uint_least8_t;
1366 typedef unsigned short int uint_least16_t;
1367 typedef unsigned int uint_least32_t;
1368 typedef unsigned long int uint_least64_t;
1369 typedef signed char int_fast8_t;
1370 typedef long int int_fast16_t;
1371 typedef long int int_fast32_t;
1372 typedef long int int_fast64_t;
1373 typedef unsigned char uint_fast8_t;
1374 typedef unsigned long int uint_fast16_t;
1375 typedef unsigned long int uint_fast32_t;
1376 typedef unsigned long int uint_fast64_t;
1377 typedef long int intptr_t;
1378 typedef unsigned long int uintptr_t;
1379 typedef long int intmax_t;
1380 typedef unsigned long int uintmax_t;
1381 typedef int8_t JSInt8;
1382 typedef int16_t JSInt16;
1383 typedef int32_t JSInt32;
1384 typedef int64_t JSInt64;
1385 typedef intptr_t JSIntPtr;
1386 typedef uint8_t JSUint8;
1387 typedef uint16_t JSUint16;
1388 typedef uint32_t JSUint32;
1389 typedef uint64_t JSUint64;
1390 typedef uintptr_t JSUintPtr;
1391 extern "C" {
1392 typedef int JSIntn;
1393 typedef unsigned int JSUintn;
1394 typedef double JSFloat64;
1395 typedef size_t JSSize;
1396 typedef ptrdiff_t JSPtrdiff;
1397 typedef JSUintPtr JSUptrdiff;
1398 typedef JSIntn JSBool;
1399 typedef JSUint8 JSPackedBool;
1400 typedef JSIntPtr JSWord;
1401 typedef JSUintPtr JSUword;
1402 typedef JSUintn uintn;
1403 typedef JSUint64 uint64;
1404 typedef JSUint32 uint32;
1405 typedef JSUint16 uint16;
1406 typedef JSUint8 uint8;
1407 typedef JSIntn intn;
1408 typedef JSInt64 int64;
1409 typedef JSInt32 int32;
1410 typedef JSInt16 int16;
1411 typedef JSInt8 int8;
1412 typedef JSFloat64 float64;
1413 }
1414 extern "C" {
1415 }
1416 typedef JSIntn intN;
1417 typedef JSUintn uintN;
1418 typedef JSUword jsuword;
1419 typedef JSWord jsword;
1420 typedef float float32;
1421 extern "C" {
1422 extern __attribute__((visibility ("default"))) void
1423 JS_Assert(const char *s, const char *file, JSIntn ln);
1424 extern __attribute__((visibility ("default"))) void JS_Abort(void);
1425 static inline void* js_malloc(size_t bytes) {
1426     return malloc(bytes);
1427 }
1428 static inline void* js_calloc(size_t bytes) {
1429     return calloc(bytes, 1);
1430 }
1431 static inline void* js_realloc(void* p, size_t bytes) {
1432     return realloc(p, bytes);
1433 }
1434 static inline void js_free(void* p) {
1435     free(p);
1436 }
1437 }
1438 template <class T>
1439 __attribute__((always_inline)) inline T *js_new() {
1440     void *memory = js_malloc(sizeof(T)); return memory ? new(memory) T () : __null;
1441 }
1442 template <class T, class P1>
1443 __attribute__((always_inline)) inline T *js_new(const P1 &p1) {
1444     void *memory = js_malloc(sizeof(T)); return memory ? new(memory) T (p1) : __null;
1445 }
1446 template <class T, class P1, class P2>
1447 __attribute__((always_inline)) inline T *js_new(const P1 &p1, const P2 &p2) {
1448     void *memory = js_malloc(sizeof(T)); return memory ? new(memory) T (p1, p2) : __null;
1449 }
1450 template <class T, class P1, class P2, class P3>
1451 __attribute__((always_inline)) inline T *js_new(const P1 &p1, const P2 &p2, const P3 &p3) {
1452     void *memory = js_malloc(sizeof(T)); return memory ? new(memory) T (p1, p2, p3) : __null;
1453 }
1454 template <class T, class P1, class P2, class P3, class P4>
1455 __attribute__((always_inline)) inline T *js_new(const P1 &p1, const P2 &p2, const P3 &p3, const P4 &p4) {
1456     void *memory = js_malloc(sizeof(T)); return memory ? new(memory) T (p1, p2, p3, p4) : __null;
1457 }
1458 template <class T>
1459 __attribute__((always_inline)) inline void js_delete(T *p) {
1460     if (p) {
1461         p->~T();
1462         js_free(p);
1463     }
1464 }
1465 static const int JSMinAlignment = 8;
1466 template <class T>
1467 __attribute__((always_inline)) inline T *js_array_new(size_t n) {
1468     uint64 numBytes64 = uint64(JSMinAlignment) + uint64(sizeof(T)) * uint64(n);
1469     size_t numBytes = size_t(numBytes64);
1470     if (numBytes64 != numBytes) {
1471         ((void) 0);
1472         return __null;
1473     }
1474     void *memory = js_malloc(numBytes);
1475     if (!memory)
1476         return __null;
1477  *(size_t *)memory = n;
1478  memory = (void*)(uintptr_t(memory) + JSMinAlignment);
1479     return new(memory) T[n];
1480 }
1481 template <class T>
1482 __attribute__((always_inline)) inline void js_array_delete(T *p) {
1483     if (p) {
1484   void* p0 = (void *)(uintptr_t(p) - JSMinAlignment);
1485   size_t n = *(size_t *)p0;
1486   for (size_t i = 0; i < n; i++)
1487    (p + i)->~T();
1488   js_free(p0);
1489     }
1490 }
1491 namespace js {
1492 template <class T>
1493 __attribute__((always_inline)) inline static void
1494 PodZero(T *t)
1495 {
1496     memset(t, 0, sizeof(T));
1497 }
1498 template <class T>
1499 __attribute__((always_inline)) inline static void
1500 PodZero(T *t, size_t nelem)
1501 {
1502     memset(t, 0, nelem * sizeof(T));
1503 }
1504 template <class T, size_t N> static void PodZero(T (&)[N]);
1505 template <class T, size_t N> static void PodZero(T (&)[N], size_t);
1506 template <class T, size_t N>
1507 __attribute__((always_inline)) inline static void
1508 PodArrayZero(T (&t)[N])
1509 {
1510     memset(t, 0, N * sizeof(T));
1511 }
1512 template <class T>
1513 __attribute__((always_inline)) inline static void
1514 PodCopy(T *dst, const T *src, size_t nelem)
1515 {
1516     ((void) 0);
1517     ((void) 0);
1518     if (nelem < 128) {
1519         for (const T *srcend = src + nelem; src != srcend; ++src, ++dst)
1520             *dst = *src;
1521     } else {
1522         memcpy(dst, src, nelem * sizeof(T));
1523     }
1524 }
1525 }
1526 extern "C" {
1527 typedef jsuword jsbitmap_t;
1528 typedef jsbitmap_t jsbitmap;
1529 extern __attribute__((visibility ("default"))) JSIntn JS_CeilingLog2(JSUint32 i);
1530 extern __attribute__((visibility ("default"))) JSIntn JS_FloorLog2(JSUint32 i);
1531 namespace js {
1532 inline size_t
1533 CountTrailingZeros(size_t n)
1534 {
1535     ((void) 0);
1536     return __builtin_ctzll(n);
1537 }
1538 }
1539 }
1540 extern "C" {
1541 struct _IO_FILE;
1542 typedef struct _IO_FILE FILE;
1543 typedef struct _IO_FILE __FILE;
1544 typedef struct
1545 {
1546   int __count;
1547   union
1548   {
1549     unsigned int __wch;
1550     char __wchb[4];
1551   } __value;
1552 } __mbstate_t;
1553 typedef struct
1554 {
1555   __off_t __pos;
1556   __mbstate_t __state;
1557 } _G_fpos_t;
1558 typedef struct
1559 {
1560   __off64_t __pos;
1561   __mbstate_t __state;
1562 } _G_fpos64_t;
1563 typedef __builtin_va_list __gnuc_va_list;
1564 struct _IO_jump_t; struct _IO_FILE;
1565 typedef void _IO_lock_t;
1566 struct _IO_marker {
1567   struct _IO_marker *_next;
1568   struct _IO_FILE *_sbuf;
1569   int _pos;
1570 };
1571 enum __codecvt_result
1572 {
1573   __codecvt_ok,
1574   __codecvt_partial,
1575   __codecvt_error,
1576   __codecvt_noconv
1577 };
1578 struct _IO_FILE {
1579   int _flags;
1580   char* _IO_read_ptr;
1581   char* _IO_read_end;
1582   char* _IO_read_base;
1583   char* _IO_write_base;
1584   char* _IO_write_ptr;
1585   char* _IO_write_end;
1586   char* _IO_buf_base;
1587   char* _IO_buf_end;
1588   char *_IO_save_base;
1589   char *_IO_backup_base;
1590   char *_IO_save_end;
1591   struct _IO_marker *_markers;
1592   struct _IO_FILE *_chain;
1593   int _fileno;
1594   int _flags2;
1595   __off_t _old_offset;
1596   unsigned short _cur_column;
1597   signed char _vtable_offset;
1598   char _shortbuf[1];
1599   _IO_lock_t *_lock;
1600   __off64_t _offset;
1601   void *__pad1;
1602   void *__pad2;
1603   void *__pad3;
1604   void *__pad4;
1605   size_t __pad5;
1606   int _mode;
1607   char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)];
1608 };
1609 struct _IO_FILE_plus;
1610 extern struct _IO_FILE_plus _IO_2_1_stdin_;
1611 extern struct _IO_FILE_plus _IO_2_1_stdout_;
1612 extern struct _IO_FILE_plus _IO_2_1_stderr_;
1613 typedef __ssize_t __io_read_fn (void *__cookie, char *__buf, size_t __nbytes);
1614 typedef __ssize_t __io_write_fn (void *__cookie, const char *__buf,
1615      size_t __n);
1616 typedef int __io_seek_fn (void *__cookie, __off64_t *__pos, int __w);
1617 typedef int __io_close_fn (void *__cookie);
1618 typedef __io_read_fn cookie_read_function_t;
1619 typedef __io_write_fn cookie_write_function_t;
1620 typedef __io_seek_fn cookie_seek_function_t;
1621 typedef __io_close_fn cookie_close_function_t;
1622 typedef struct
1623 {
1624   __io_read_fn *read;
1625   __io_write_fn *write;
1626   __io_seek_fn *seek;
1627   __io_close_fn *close;
1628 } _IO_cookie_io_functions_t;
1629 typedef _IO_cookie_io_functions_t cookie_io_functions_t;
1630 struct _IO_cookie_file;
1631 extern void _IO_cookie_init (struct _IO_cookie_file *__cfile, int __read_write,
1632         void *__cookie, _IO_cookie_io_functions_t __fns);
1633 extern "C" {
1634 extern int __underflow (_IO_FILE *);
1635 extern int __uflow (_IO_FILE *);
1636 extern int __overflow (_IO_FILE *, int);
1637 extern int _IO_getc (_IO_FILE *__fp);
1638 extern int _IO_putc (int __c, _IO_FILE *__fp);
1639 extern int _IO_feof (_IO_FILE *__fp) throw ();
1640 extern int _IO_ferror (_IO_FILE *__fp) throw ();
1641 extern int _IO_peekc_locked (_IO_FILE *__fp);
1642 extern void _IO_flockfile (_IO_FILE *) throw ();
1643 extern void _IO_funlockfile (_IO_FILE *) throw ();
1644 extern int _IO_ftrylockfile (_IO_FILE *) throw ();
1645 extern int _IO_vfscanf (_IO_FILE * __restrict, const char * __restrict,
1646    __gnuc_va_list, int *__restrict);
1647 extern int _IO_vfprintf (_IO_FILE *__restrict, const char *__restrict,
1648     __gnuc_va_list);
1649 extern __ssize_t _IO_padn (_IO_FILE *, int, __ssize_t);
1650 extern size_t _IO_sgetn (_IO_FILE *, void *, size_t);
1651 extern __off64_t _IO_seekoff (_IO_FILE *, __off64_t, int, int);
1652 extern __off64_t _IO_seekpos (_IO_FILE *, __off64_t, int);
1653 extern void _IO_free_backup_area (_IO_FILE *) throw ();
1654 }
1655 typedef __gnuc_va_list va_list;
1656 typedef _G_fpos_t fpos_t;
1657 typedef _G_fpos64_t fpos64_t;
1658 extern struct _IO_FILE *stdin;
1659 extern struct _IO_FILE *stdout;
1660 extern struct _IO_FILE *stderr;
1661 extern int remove (const char *__filename) throw ();
1662 extern int rename (const char *__old, const char *__new) throw ();
1663 extern int renameat (int __oldfd, const char *__old, int __newfd,
1664        const char *__new) throw ();
1665 extern FILE *tmpfile (void) __attribute__ ((__warn_unused_result__));
1666 extern FILE *tmpfile64 (void) __attribute__ ((__warn_unused_result__));
1667 extern char *tmpnam (char *__s) throw () __attribute__ ((__warn_unused_result__));
1668 extern char *tmpnam_r (char *__s) throw () __attribute__ ((__warn_unused_result__));
1669 extern char *tempnam (const char *__dir, const char *__pfx)
1670      throw () __attribute__ ((__malloc__)) __attribute__ ((__warn_unused_result__));
1671 extern int fclose (FILE *__stream);
1672 extern int fflush (FILE *__stream);
1673 extern int fflush_unlocked (FILE *__stream);
1674 extern int fcloseall (void);
1675 extern FILE *fopen (const char *__restrict __filename,
1676       const char *__restrict __modes) __attribute__ ((__warn_unused_result__));
1677 extern FILE *freopen (const char *__restrict __filename,
1678         const char *__restrict __modes,
1679         FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
1680 extern FILE *fopen64 (const char *__restrict __filename,
1681         const char *__restrict __modes) __attribute__ ((__warn_unused_result__));
1682 extern FILE *freopen64 (const char *__restrict __filename,
1683    const char *__restrict __modes,
1684    FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
1685 extern FILE *fdopen (int __fd, const char *__modes) throw () __attribute__ ((__warn_unused_result__));
1686 extern FILE *fopencookie (void *__restrict __magic_cookie,
1687      const char *__restrict __modes,
1688      _IO_cookie_io_functions_t __io_funcs) throw () __attribute__ ((__warn_unused_result__));
1689 extern FILE *fmemopen (void *__s, size_t __len, const char *__modes)
1690   throw () __attribute__ ((__warn_unused_result__));
1691 extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) throw () __attribute__ ((__warn_unused_result__));
1692 extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) throw ();
1693 extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf,
1694       int __modes, size_t __n) throw ();
1695 extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf,
1696          size_t __size) throw ();
1697 extern void setlinebuf (FILE *__stream) throw ();
1698 extern int fprintf (FILE *__restrict __stream,
1699       const char *__restrict __format, ...);
1700 extern int printf (const char *__restrict __format, ...);
1701 extern int sprintf (char *__restrict __s,
1702       const char *__restrict __format, ...) throw ();
1703 extern int vfprintf (FILE *__restrict __s, const char *__restrict __format,
1704        __gnuc_va_list __arg);
1705 extern int vprintf (const char *__restrict __format, __gnuc_va_list __arg);
1706 extern int vsprintf (char *__restrict __s, const char *__restrict __format,
1707        __gnuc_va_list __arg) throw ();
1708 extern int snprintf (char *__restrict __s, size_t __maxlen,
1709        const char *__restrict __format, ...)
1710      throw () __attribute__ ((__format__ (__printf__, 3, 4)));
1711 extern int vsnprintf (char *__restrict __s, size_t __maxlen,
1712         const char *__restrict __format, __gnuc_va_list __arg)
1713      throw () __attribute__ ((__format__ (__printf__, 3, 0)));
1714 extern int vasprintf (char **__restrict __ptr, const char *__restrict __f,
1715         __gnuc_va_list __arg)
1716      throw () __attribute__ ((__format__ (__printf__, 2, 0))) __attribute__ ((__warn_unused_result__));
1717 extern int __asprintf (char **__restrict __ptr,
1718          const char *__restrict __fmt, ...)
1719      throw () __attribute__ ((__format__ (__printf__, 2, 3))) __attribute__ ((__warn_unused_result__));
1720 extern int asprintf (char **__restrict __ptr,
1721        const char *__restrict __fmt, ...)
1722      throw () __attribute__ ((__format__ (__printf__, 2, 3))) __attribute__ ((__warn_unused_result__));
1723 extern int vdprintf (int __fd, const char *__restrict __fmt,
1724        __gnuc_va_list __arg)
1725      __attribute__ ((__format__ (__printf__, 2, 0)));
1726 extern int dprintf (int __fd, const char *__restrict __fmt, ...)
1727      __attribute__ ((__format__ (__printf__, 2, 3)));
1728 extern int fscanf (FILE *__restrict __stream,
1729      const char *__restrict __format, ...) __attribute__ ((__warn_unused_result__));
1730 extern int scanf (const char *__restrict __format, ...) __attribute__ ((__warn_unused_result__));
1731 extern int sscanf (const char *__restrict __s,
1732      const char *__restrict __format, ...) throw ();
1733 extern int vfscanf (FILE *__restrict __s, const char *__restrict __format,
1734       __gnuc_va_list __arg)
1735      __attribute__ ((__format__ (__scanf__, 2, 0))) __attribute__ ((__warn_unused_result__));
1736 extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg)
1737      __attribute__ ((__format__ (__scanf__, 1, 0))) __attribute__ ((__warn_unused_result__));
1738 extern int vsscanf (const char *__restrict __s,
1739       const char *__restrict __format, __gnuc_va_list __arg)
1740      throw () __attribute__ ((__format__ (__scanf__, 2, 0)));
1741 extern int fgetc (FILE *__stream);
1742 extern int getc (FILE *__stream);
1743 extern int getchar (void);
1744 extern int getc_unlocked (FILE *__stream);
1745 extern int getchar_unlocked (void);
1746 extern int fgetc_unlocked (FILE *__stream);
1747 extern int fputc (int __c, FILE *__stream);
1748 extern int putc (int __c, FILE *__stream);
1749 extern int putchar (int __c);
1750 extern int fputc_unlocked (int __c, FILE *__stream);
1751 extern int putc_unlocked (int __c, FILE *__stream);
1752 extern int putchar_unlocked (int __c);
1753 extern int getw (FILE *__stream);
1754 extern int putw (int __w, FILE *__stream);
1755 extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
1756      __attribute__ ((__warn_unused_result__));
1757 extern char *gets (char *__s) __attribute__ ((__warn_unused_result__)) __attribute__ ((__deprecated__));
1758 extern char *fgets_unlocked (char *__restrict __s, int __n,
1759         FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
1760 extern __ssize_t __getdelim (char **__restrict __lineptr,
1761           size_t *__restrict __n, int __delimiter,
1762           FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
1763 extern __ssize_t getdelim (char **__restrict __lineptr,
1764         size_t *__restrict __n, int __delimiter,
1765         FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
1766 extern __ssize_t getline (char **__restrict __lineptr,
1767        size_t *__restrict __n,
1768        FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
1769 extern int fputs (const char *__restrict __s, FILE *__restrict __stream);
1770 extern int puts (const char *__s);
1771 extern int ungetc (int __c, FILE *__stream);
1772 extern size_t fread (void *__restrict __ptr, size_t __size,
1773        size_t __n, FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
1774 extern size_t fwrite (const void *__restrict __ptr, size_t __size,
1775         size_t __n, FILE *__restrict __s);
1776 extern int fputs_unlocked (const char *__restrict __s,
1777       FILE *__restrict __stream);
1778 extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
1779          size_t __n, FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
1780 extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size,
1781           size_t __n, FILE *__restrict __stream);
1782 extern int fseek (FILE *__stream, long int __off, int __whence);
1783 extern long int ftell (FILE *__stream) __attribute__ ((__warn_unused_result__));
1784 extern void rewind (FILE *__stream);
1785 extern int fseeko (FILE *__stream, __off_t __off, int __whence);
1786 extern __off_t ftello (FILE *__stream) __attribute__ ((__warn_unused_result__));
1787 extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);
1788 extern int fsetpos (FILE *__stream, const fpos_t *__pos);
1789 extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence);
1790 extern __off64_t ftello64 (FILE *__stream) __attribute__ ((__warn_unused_result__));
1791 extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos);
1792 extern int fsetpos64 (FILE *__stream, const fpos64_t *__pos);
1793 extern void clearerr (FILE *__stream) throw ();
1794 extern int feof (FILE *__stream) throw () __attribute__ ((__warn_unused_result__));
1795 extern int ferror (FILE *__stream) throw () __attribute__ ((__warn_unused_result__));
1796 extern void clearerr_unlocked (FILE *__stream) throw ();
1797 extern int feof_unlocked (FILE *__stream) throw () __attribute__ ((__warn_unused_result__));
1798 extern int ferror_unlocked (FILE *__stream) throw () __attribute__ ((__warn_unused_result__));
1799 extern void perror (const char *__s);
1800 extern int sys_nerr;
1801 extern const char *const sys_errlist[];
1802 extern int _sys_nerr;
1803 extern const char *const _sys_errlist[];
1804 extern int fileno (FILE *__stream) throw () __attribute__ ((__warn_unused_result__));
1805 extern int fileno_unlocked (FILE *__stream) throw () __attribute__ ((__warn_unused_result__));
1806 extern FILE *popen (const char *__command, const char *__modes) __attribute__ ((__warn_unused_result__));
1807 extern int pclose (FILE *__stream);
1808 extern char *ctermid (char *__s) throw ();
1809 extern char *cuserid (char *__s);
1810 struct obstack;
1811 extern int obstack_printf (struct obstack *__restrict __obstack,
1812       const char *__restrict __format, ...)
1813      throw () __attribute__ ((__format__ (__printf__, 2, 3)));
1814 extern int obstack_vprintf (struct obstack *__restrict __obstack,
1815        const char *__restrict __format,
1816        __gnuc_va_list __args)
1817      throw () __attribute__ ((__format__ (__printf__, 2, 0)));
1818 extern void flockfile (FILE *__stream) throw ();
1819 extern int ftrylockfile (FILE *__stream) throw () __attribute__ ((__warn_unused_result__));
1820 extern void funlockfile (FILE *__stream) throw ();
1821 extern __inline __attribute__ ((__gnu_inline__)) int
1822 getchar (void)
1823 {
1824   return _IO_getc (stdin);
1825 }
1826 extern __inline __attribute__ ((__gnu_inline__)) int
1827 fgetc_unlocked (FILE *__fp)
1828 {
1829   return (__builtin_expect (((__fp)->_IO_read_ptr >= (__fp)->_IO_read_end), 0) ? __uflow (__fp) : *(unsigned char *) (__fp)->_IO_read_ptr++);
1830 }
1831 extern __inline __attribute__ ((__gnu_inline__)) int
1832 getc_unlocked (FILE *__fp)
1833 {
1834   return (__builtin_expect (((__fp)->_IO_read_ptr >= (__fp)->_IO_read_end), 0) ? __uflow (__fp) : *(unsigned char *) (__fp)->_IO_read_ptr++);
1835 }
1836 extern __inline __attribute__ ((__gnu_inline__)) int
1837 getchar_unlocked (void)
1838 {
1839   return (__builtin_expect (((stdin)->_IO_read_ptr >= (stdin)->_IO_read_end), 0) ? __uflow (stdin) : *(unsigned char *) (stdin)->_IO_read_ptr++);
1840 }
1841 extern __inline __attribute__ ((__gnu_inline__)) int
1842 putchar (int __c)
1843 {
1844   return _IO_putc (__c, stdout);
1845 }
1846 extern __inline __attribute__ ((__gnu_inline__)) int
1847 fputc_unlocked (int __c, FILE *__stream)
1848 {
1849   return (__builtin_expect (((__stream)->_IO_write_ptr >= (__stream)->_IO_write_end), 0) ? __overflow (__stream, (unsigned char) (__c)) : (unsigned char) (*(__stream)->_IO_write_ptr++ = (__c)));
1850 }
1851 extern __inline __attribute__ ((__gnu_inline__)) int
1852 putc_unlocked (int __c, FILE *__stream)
1853 {
1854   return (__builtin_expect (((__stream)->_IO_write_ptr >= (__stream)->_IO_write_end), 0) ? __overflow (__stream, (unsigned char) (__c)) : (unsigned char) (*(__stream)->_IO_write_ptr++ = (__c)));
1855 }
1856 extern __inline __attribute__ ((__gnu_inline__)) int
1857 putchar_unlocked (int __c)
1858 {
1859   return (__builtin_expect (((stdout)->_IO_write_ptr >= (stdout)->_IO_write_end), 0) ? __overflow (stdout, (unsigned char) (__c)) : (unsigned char) (*(stdout)->_IO_write_ptr++ = (__c)));
1860 }
1861 extern __inline __attribute__ ((__gnu_inline__)) __ssize_t
1862 getline (char **__lineptr, size_t *__n, FILE *__stream)
1863 {
1864   return __getdelim (__lineptr, __n, '\n', __stream);
1865 }
1866 extern __inline __attribute__ ((__gnu_inline__)) int
1867 __attribute__ ((__leaf__)) feof_unlocked (FILE *__stream) throw ()
1868 {
1869   return (((__stream)->_flags & 0x10) != 0);
1870 }
1871 extern __inline __attribute__ ((__gnu_inline__)) int
1872 __attribute__ ((__leaf__)) ferror_unlocked (FILE *__stream) throw ()
1873 {
1874   return (((__stream)->_flags & 0x20) != 0);
1875 }
1876 extern int __sprintf_chk (char *__restrict __s, int __flag, size_t __slen,
1877      const char *__restrict __format, ...) throw ();
1878 extern int __vsprintf_chk (char *__restrict __s, int __flag, size_t __slen,
1879       const char *__restrict __format,
1880       __gnuc_va_list __ap) throw ();
1881 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1882 __attribute__ ((__leaf__)) sprintf (char *__restrict __s, const char *__restrict __fmt, ...) throw ()
1883 {
1884   return __builtin___sprintf_chk (__s, 2 - 1,
1885       __builtin_object_size (__s, 2 > 1), __fmt, __builtin_va_arg_pack ());
1886 }
1887 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1888 __attribute__ ((__leaf__)) vsprintf (char *__restrict __s, const char *__restrict __fmt, __gnuc_va_list __ap) throw ()
1889 {
1890   return __builtin___vsprintf_chk (__s, 2 - 1,
1891        __builtin_object_size (__s, 2 > 1), __fmt, __ap);
1892 }
1893 extern int __snprintf_chk (char *__restrict __s, size_t __n, int __flag,
1894       size_t __slen, const char *__restrict __format,
1895       ...) throw ();
1896 extern int __vsnprintf_chk (char *__restrict __s, size_t __n, int __flag,
1897        size_t __slen, const char *__restrict __format,
1898        __gnuc_va_list __ap) throw ();
1899 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1900 __attribute__ ((__leaf__)) snprintf (char *__restrict __s, size_t __n, const char *__restrict __fmt, ...) throw ()
1901 {
1902   return __builtin___snprintf_chk (__s, __n, 2 - 1,
1903        __builtin_object_size (__s, 2 > 1), __fmt, __builtin_va_arg_pack ());
1904 }
1905 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1906 __attribute__ ((__leaf__)) vsnprintf (char *__restrict __s, size_t __n, const char *__restrict __fmt, __gnuc_va_list __ap) throw ()
1907 {
1908   return __builtin___vsnprintf_chk (__s, __n, 2 - 1,
1909         __builtin_object_size (__s, 2 > 1), __fmt, __ap);
1910 }
1911 extern int __fprintf_chk (FILE *__restrict __stream, int __flag,
1912      const char *__restrict __format, ...);
1913 extern int __printf_chk (int __flag, const char *__restrict __format, ...);
1914 extern int __vfprintf_chk (FILE *__restrict __stream, int __flag,
1915       const char *__restrict __format, __gnuc_va_list __ap);
1916 extern int __vprintf_chk (int __flag, const char *__restrict __format,
1917      __gnuc_va_list __ap);
1918 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1919 fprintf (FILE *__restrict __stream, const char *__restrict __fmt, ...)
1920 {
1921   return __fprintf_chk (__stream, 2 - 1, __fmt,
1922    __builtin_va_arg_pack ());
1923 }
1924 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1925 printf (const char *__restrict __fmt, ...)
1926 {
1927   return __printf_chk (2 - 1, __fmt, __builtin_va_arg_pack ());
1928 }
1929 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1930 vprintf (const char *__restrict __fmt, __gnuc_va_list __ap)
1931 {
1932   return __vfprintf_chk (stdout, 2 - 1, __fmt, __ap);
1933 }
1934 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1935 vfprintf (FILE *__restrict __stream,
1936    const char *__restrict __fmt, __gnuc_va_list __ap)
1937 {
1938   return __vfprintf_chk (__stream, 2 - 1, __fmt, __ap);
1939 }
1940 extern int __dprintf_chk (int __fd, int __flag, const char *__restrict __fmt,
1941      ...) __attribute__ ((__format__ (__printf__, 3, 4)));
1942 extern int __vdprintf_chk (int __fd, int __flag,
1943       const char *__restrict __fmt, __gnuc_va_list __arg)
1944      __attribute__ ((__format__ (__printf__, 3, 0)));
1945 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1946 dprintf (int __fd, const char *__restrict __fmt, ...)
1947 {
1948   return __dprintf_chk (__fd, 2 - 1, __fmt,
1949    __builtin_va_arg_pack ());
1950 }
1951 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1952 vdprintf (int __fd, const char *__restrict __fmt, __gnuc_va_list __ap)
1953 {
1954   return __vdprintf_chk (__fd, 2 - 1, __fmt, __ap);
1955 }
1956 extern int __asprintf_chk (char **__restrict __ptr, int __flag,
1957       const char *__restrict __fmt, ...)
1958      throw () __attribute__ ((__format__ (__printf__, 3, 4))) __attribute__ ((__warn_unused_result__));
1959 extern int __vasprintf_chk (char **__restrict __ptr, int __flag,
1960        const char *__restrict __fmt, __gnuc_va_list __arg)
1961      throw () __attribute__ ((__format__ (__printf__, 3, 0))) __attribute__ ((__warn_unused_result__));
1962 extern int __obstack_printf_chk (struct obstack *__restrict __obstack,
1963      int __flag, const char *__restrict __format,
1964      ...)
1965      throw () __attribute__ ((__format__ (__printf__, 3, 4)));
1966 extern int __obstack_vprintf_chk (struct obstack *__restrict __obstack,
1967       int __flag,
1968       const char *__restrict __format,
1969       __gnuc_va_list __args)
1970      throw () __attribute__ ((__format__ (__printf__, 3, 0)));
1971 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1972 __attribute__ ((__leaf__)) asprintf (char **__restrict __ptr, const char *__restrict __fmt, ...) throw ()
1973 {
1974   return __asprintf_chk (__ptr, 2 - 1, __fmt,
1975     __builtin_va_arg_pack ());
1976 }
1977 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1978 __attribute__ ((__leaf__)) __asprintf (char **__restrict __ptr, const char *__restrict __fmt, ...) throw ()
1979 {
1980   return __asprintf_chk (__ptr, 2 - 1, __fmt,
1981     __builtin_va_arg_pack ());
1982 }
1983 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1984 __attribute__ ((__leaf__)) obstack_printf (struct obstack *__restrict __obstack, const char *__restrict __fmt, ...) throw ()
1985 {
1986   return __obstack_printf_chk (__obstack, 2 - 1, __fmt,
1987           __builtin_va_arg_pack ());
1988 }
1989 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1990 __attribute__ ((__leaf__)) vasprintf (char **__restrict __ptr, const char *__restrict __fmt, __gnuc_va_list __ap) throw ()
1991 {
1992   return __vasprintf_chk (__ptr, 2 - 1, __fmt, __ap);
1993 }
1994 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) int
1995 __attribute__ ((__leaf__)) obstack_vprintf (struct obstack *__restrict __obstack, const char *__restrict __fmt, __gnuc_va_list __ap) throw ()
1996 {
1997   return __obstack_vprintf_chk (__obstack, 2 - 1, __fmt,
1998     __ap);
1999 }
2000 extern char *__fgets_chk (char *__restrict __s, size_t __size, int __n,
2001      FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
2002 extern char *__fgets_alias (char *__restrict __s, int __n, FILE *__restrict __stream) __asm__ ("" "fgets")
2003                                         __attribute__ ((__warn_unused_result__));
2004 extern char *__fgets_chk_warn (char *__restrict __s, size_t __size, int __n, FILE *__restrict __stream) __asm__ ("" "__fgets_chk")
2005      __attribute__ ((__warn_unused_result__)) __attribute__((__warning__ ("fgets called with bigger size than length " "of destination buffer")))
2006                                  ;
2007 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) __attribute__ ((__warn_unused_result__)) char *
2008 fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
2009 {
2010   if (__builtin_object_size (__s, 2 > 1) != (size_t) -1)
2011     {
2012       if (!__builtin_constant_p (__n) || __n <= 0)
2013  return __fgets_chk (__s, __builtin_object_size (__s, 2 > 1), __n, __stream);
2014       if ((size_t) __n > __builtin_object_size (__s, 2 > 1))
2015  return __fgets_chk_warn (__s, __builtin_object_size (__s, 2 > 1), __n, __stream);
2016     }
2017   return __fgets_alias (__s, __n, __stream);
2018 }
2019 extern size_t __fread_chk (void *__restrict __ptr, size_t __ptrlen,
2020       size_t __size, size_t __n,
2021       FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
2022 extern size_t __fread_alias (void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __stream) __asm__ ("" "fread")
2023             __attribute__ ((__warn_unused_result__));
2024 extern size_t __fread_chk_warn (void *__restrict __ptr, size_t __ptrlen, size_t __size, size_t __n, FILE *__restrict __stream) __asm__ ("" "__fread_chk")
2025      __attribute__ ((__warn_unused_result__)) __attribute__((__warning__ ("fread called with bigger size * nmemb than length " "of destination buffer")))
2026                                  ;
2027 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) __attribute__ ((__warn_unused_result__)) size_t
2028 fread (void *__restrict __ptr, size_t __size, size_t __n,
2029        FILE *__restrict __stream)
2030 {
2031   if (__builtin_object_size (__ptr, 0) != (size_t) -1)
2032     {
2033       if (!__builtin_constant_p (__size)
2034    || !__builtin_constant_p (__n)
2035    || (__size | __n) >= (((size_t) 1) << (8 * sizeof (size_t) / 2)))
2036  return __fread_chk (__ptr, __builtin_object_size (__ptr, 0), __size, __n, __stream);
2037       if (__size * __n > __builtin_object_size (__ptr, 0))
2038  return __fread_chk_warn (__ptr, __builtin_object_size (__ptr, 0), __size, __n, __stream);
2039     }
2040   return __fread_alias (__ptr, __size, __n, __stream);
2041 }
2042 extern char *__fgets_unlocked_chk (char *__restrict __s, size_t __size,
2043        int __n, FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
2044 extern char *__fgets_unlocked_alias (char *__restrict __s, int __n, FILE *__restrict __stream) __asm__ ("" "fgets_unlocked")
2045                                                  __attribute__ ((__warn_unused_result__));
2046 extern char *__fgets_unlocked_chk_warn (char *__restrict __s, size_t __size, int __n, FILE *__restrict __stream) __asm__ ("" "__fgets_unlocked_chk")
2047      __attribute__ ((__warn_unused_result__)) __attribute__((__warning__ ("fgets_unlocked called with bigger size than length " "of destination buffer")))
2048                                  ;
2049 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) __attribute__ ((__warn_unused_result__)) char *
2050 fgets_unlocked (char *__restrict __s, int __n, FILE *__restrict __stream)
2051 {
2052   if (__builtin_object_size (__s, 2 > 1) != (size_t) -1)
2053     {
2054       if (!__builtin_constant_p (__n) || __n <= 0)
2055  return __fgets_unlocked_chk (__s, __builtin_object_size (__s, 2 > 1), __n, __stream);
2056       if ((size_t) __n > __builtin_object_size (__s, 2 > 1))
2057  return __fgets_unlocked_chk_warn (__s, __builtin_object_size (__s, 2 > 1), __n, __stream);
2058     }
2059   return __fgets_unlocked_alias (__s, __n, __stream);
2060 }
2061 extern size_t __fread_unlocked_chk (void *__restrict __ptr, size_t __ptrlen,
2062         size_t __size, size_t __n,
2063         FILE *__restrict __stream) __attribute__ ((__warn_unused_result__));
2064 extern size_t __fread_unlocked_alias (void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __stream) __asm__ ("" "fread_unlocked")
2065                      __attribute__ ((__warn_unused_result__));
2066 extern size_t __fread_unlocked_chk_warn (void *__restrict __ptr, size_t __ptrlen, size_t __size, size_t __n, FILE *__restrict __stream) __asm__ ("" "__fread_unlocked_chk")
2067      __attribute__ ((__warn_unused_result__)) __attribute__((__warning__ ("fread_unlocked called with bigger size * nmemb than " "length of destination buffer")))
2068                                         ;
2069 extern __inline __attribute__ ((__always_inline__)) __attribute__ ((__gnu_inline__)) __attribute__ ((__artificial__)) __attribute__ ((__warn_unused_result__)) size_t
2070 fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n,
2071   FILE *__restrict __stream)
2072 {
2073   if (__builtin_object_size (__ptr, 0) != (size_t) -1)
2074     {
2075       if (!__builtin_constant_p (__size)
2076    || !__builtin_constant_p (__n)
2077    || (__size | __n) >= (((size_t) 1) << (8 * sizeof (size_t) / 2)))
2078  return __fread_unlocked_chk (__ptr, __builtin_object_size (__ptr, 0), __size, __n,
2079          __stream);
2080       if (__size * __n > __builtin_object_size (__ptr, 0))
2081  return __fread_unlocked_chk_warn (__ptr, __builtin_object_size (__ptr, 0), __size, __n,
2082        __stream);
2083     }
2084   if (__builtin_constant_p (__size)
2085       && __builtin_constant_p (__n)
2086       && (__size | __n) < (((size_t) 1) << (8 * sizeof (size_t) / 2))
2087       && __size * __n <= 8)
2088     {
2089       size_t __cnt = __size * __n;
2090       char *__cptr = (char *) __ptr;
2091       if (__cnt == 0)
2092  return 0;
2093       for (; __cnt > 0; --__cnt)
2094  {
2095    int __c = (__builtin_expect (((__stream)->_IO_read_ptr >= (__stream)->_IO_read_end), 0) ? __uflow (__stream) : *(unsigned char *) (__stream)->_IO_read_ptr++);
2096    if (__c == (-1))
2097      break;
2098    *__cptr++ = __c;
2099  }
2100       return (__cptr - (char *) __ptr) / __size;
2101     }
2102   return __fread_unlocked_alias (__ptr, __size, __n, __stream);
2103 }
2104 }
2105 extern "C" {
2106 extern __attribute__((visibility ("default"))) JSUint32 JS_snprintf(char *out, JSUint32 outlen, const char *fmt, ...);
2107 extern __attribute__((visibility ("default"))) char* JS_smprintf(const char *fmt, ...);
2108 extern __attribute__((visibility ("default"))) void JS_smprintf_free(char *mem);
2109 extern __attribute__((visibility ("default"))) char* JS_sprintf_append(char *last, const char *fmt, ...);
2110 typedef JSIntn (*JSStuffFunc)(void *arg, const char *s, JSUint32 slen);
2111 extern __attribute__((visibility ("default"))) JSUint32 JS_sxprintf(JSStuffFunc f, void *arg, const char *fmt, ...);
2112 extern __attribute__((visibility ("default"))) JSUint32 JS_vsnprintf(char *out, JSUint32 outlen, const char *fmt, va_list ap);
2113 extern __attribute__((visibility ("default"))) char* JS_vsmprintf(const char *fmt, va_list ap);
2114 extern __attribute__((visibility ("default"))) char* JS_vsprintf_append(char *last, const char *fmt, va_list ap);
2115 extern __attribute__((visibility ("default"))) JSUint32 JS_vsxprintf(JSStuffFunc f, void *arg, const char *fmt, va_list ap);
2116 extern __attribute__((visibility ("default"))) JSInt32 JS_sscanf(const char *buf, const char *fmt, ...);
2117 }
2118 extern "C" {
2119 enum JSValueType
2120 {
2121     JSVAL_TYPE_DOUBLE = 0x00,
2122     JSVAL_TYPE_INT32 = 0x01,
2123     JSVAL_TYPE_UNDEFINED = 0x02,
2124     JSVAL_TYPE_BOOLEAN = 0x03,
2125     JSVAL_TYPE_MAGIC = 0x04,
2126     JSVAL_TYPE_STRING = 0x05,
2127     JSVAL_TYPE_NULL = 0x06,
2128     JSVAL_TYPE_OBJECT = 0x07,
2129     JSVAL_TYPE_NONFUNOBJ = 0x57,
2130     JSVAL_TYPE_FUNOBJ = 0x67,
2131     JSVAL_TYPE_STRORNULL = 0x97,
2132     JSVAL_TYPE_OBJORNULL = 0x98,
2133     JSVAL_TYPE_BOXED = 0x99
2134 } __attribute__((packed));
2135 typedef int js_static_assert0[(sizeof(JSValueType) == 1) ? 1 : -1];
2136 enum JSValueTag
2137 {
2138     JSVAL_TAG_MAX_DOUBLE = 0x1FFF0,
2139     JSVAL_TAG_INT32 = JSVAL_TAG_MAX_DOUBLE | JSVAL_TYPE_INT32,
2140     JSVAL_TAG_UNDEFINED = JSVAL_TAG_MAX_DOUBLE | JSVAL_TYPE_UNDEFINED,
2141     JSVAL_TAG_STRING = JSVAL_TAG_MAX_DOUBLE | JSVAL_TYPE_STRING,
2142     JSVAL_TAG_BOOLEAN = JSVAL_TAG_MAX_DOUBLE | JSVAL_TYPE_BOOLEAN,
2143     JSVAL_TAG_MAGIC = JSVAL_TAG_MAX_DOUBLE | JSVAL_TYPE_MAGIC,
2144     JSVAL_TAG_NULL = JSVAL_TAG_MAX_DOUBLE | JSVAL_TYPE_NULL,
2145     JSVAL_TAG_OBJECT = JSVAL_TAG_MAX_DOUBLE | JSVAL_TYPE_OBJECT
2146 } __attribute__((packed));
2147 typedef int js_static_assert1[(sizeof(JSValueTag) == sizeof(uint32)) ? 1 : -1];
2148 enum JSValueShiftedTag
2149 {
2150     JSVAL_SHIFTED_TAG_MAX_DOUBLE = ((((uint64)JSVAL_TAG_MAX_DOUBLE) << 47) | 0xFFFFFFFF),
2151     JSVAL_SHIFTED_TAG_INT32 = (((uint64)JSVAL_TAG_INT32) << 47),
2152     JSVAL_SHIFTED_TAG_UNDEFINED = (((uint64)JSVAL_TAG_UNDEFINED) << 47),
2153     JSVAL_SHIFTED_TAG_STRING = (((uint64)JSVAL_TAG_STRING) << 47),
2154     JSVAL_SHIFTED_TAG_BOOLEAN = (((uint64)JSVAL_TAG_BOOLEAN) << 47),
2155     JSVAL_SHIFTED_TAG_MAGIC = (((uint64)JSVAL_TAG_MAGIC) << 47),
2156     JSVAL_SHIFTED_TAG_NULL = (((uint64)JSVAL_TAG_NULL) << 47),
2157     JSVAL_SHIFTED_TAG_OBJECT = (((uint64)JSVAL_TAG_OBJECT) << 47)
2158 } __attribute__((packed));
2159 typedef int js_static_assert2[(sizeof(JSValueShiftedTag) == sizeof(uint64)) ? 1 : -1];
2160 typedef enum JSWhyMagic
2161 {
2162     JS_ARRAY_HOLE,
2163     JS_ARGS_HOLE,
2164     JS_NATIVE_ENUMERATE,
2165     JS_NO_ITER_VALUE,
2166     JS_GENERATOR_CLOSING,
2167     JS_NO_CONSTANT,
2168     JS_THIS_POISON,
2169     JS_ARG_POISON,
2170     JS_SERIALIZE_NO_NODE,
2171     JS_GENERIC_MAGIC
2172 } JSWhyMagic;
2173 typedef struct JSString JSString;
2174 typedef struct JSFlatString JSFlatString;
2175 typedef struct JSObject JSObject;
2176 typedef union jsval_layout
2177 {
2178     uint64 asBits;
2179     struct {
2180         uint64 payload47 : 47;
2181         JSValueTag tag : 17;
2182     } debugView;
2183     struct {
2184         union {
2185             int32 i32;
2186             uint32 u32;
2187             JSWhyMagic why;
2188             jsuword word;
2189         } payload;
2190     } s;
2191     double asDouble;
2192     void *asPtr;
2193 } jsval_layout;
2194 static __attribute__((always_inline)) inline JSBool
2195 JSVAL_IS_DOUBLE_IMPL(jsval_layout l)
2196 {
2197     return l.asBits <= JSVAL_SHIFTED_TAG_MAX_DOUBLE;
2198 }
2199 static __attribute__((always_inline)) inline jsval_layout
2200 DOUBLE_TO_JSVAL_IMPL(double d)
2201 {
2202     jsval_layout l;
2203     l.asDouble = d;
2204     ((void) 0);
2205     return l;
2206 }
2207 static __attribute__((always_inline)) inline JSBool
2208 JSVAL_IS_INT32_IMPL(jsval_layout l)
2209 {
2210     return (uint32)(l.asBits >> 47) == JSVAL_TAG_INT32;
2211 }
2212 static __attribute__((always_inline)) inline int32
2213 JSVAL_TO_INT32_IMPL(jsval_layout l)
2214 {
2215     return (int32)l.asBits;
2216 }
2217 static __attribute__((always_inline)) inline jsval_layout
2218 INT32_TO_JSVAL_IMPL(int32 i32)
2219 {
2220     jsval_layout l;
2221     l.asBits = ((uint64)(uint32)i32) | JSVAL_SHIFTED_TAG_INT32;
2222     return l;
2223 }
2224 static __attribute__((always_inline)) inline JSBool
2225 JSVAL_IS_NUMBER_IMPL(jsval_layout l)
2226 {
2227     return l.asBits < JSVAL_SHIFTED_TAG_UNDEFINED;
2228 }
2229 static __attribute__((always_inline)) inline JSBool
2230 JSVAL_IS_UNDEFINED_IMPL(jsval_layout l)
2231 {
2232     return l.asBits == JSVAL_SHIFTED_TAG_UNDEFINED;
2233 }
2234 static __attribute__((always_inline)) inline JSBool
2235 JSVAL_IS_STRING_IMPL(jsval_layout l)
2236 {
2237     return (uint32)(l.asBits >> 47) == JSVAL_TAG_STRING;
2238 }
2239 static __attribute__((always_inline)) inline jsval_layout
2240 STRING_TO_JSVAL_IMPL(JSString *str)
2241 {
2242     jsval_layout l;
2243     uint64 strBits = (uint64)str;
2244     ((void) 0);
2245     ((void) 0);
2246     l.asBits = strBits | JSVAL_SHIFTED_TAG_STRING;
2247     return l;
2248 }
2249 static __attribute__((always_inline)) inline JSString *
2250 JSVAL_TO_STRING_IMPL(jsval_layout l)
2251 {
2252     return (JSString *)(l.asBits & 0x00007FFFFFFFFFFFLL);
2253 }
2254 static __attribute__((always_inline)) inline JSBool
2255 JSVAL_IS_BOOLEAN_IMPL(jsval_layout l)
2256 {
2257     return (uint32)(l.asBits >> 47) == JSVAL_TAG_BOOLEAN;
2258 }
2259 static __attribute__((always_inline)) inline JSBool
2260 JSVAL_TO_BOOLEAN_IMPL(jsval_layout l)
2261 {
2262     return (JSBool)l.asBits;
2263 }
2264 static __attribute__((always_inline)) inline jsval_layout
2265 BOOLEAN_TO_JSVAL_IMPL(JSBool b)
2266 {
2267     jsval_layout l;
2268     l.asBits = ((uint64)(uint32)b) | JSVAL_SHIFTED_TAG_BOOLEAN;
2269     return l;
2270 }
2271 static __attribute__((always_inline)) inline JSBool
2272 JSVAL_IS_MAGIC_IMPL(jsval_layout l)
2273 {
2274     return (l.asBits >> 47) == JSVAL_TAG_MAGIC;
2275 }
2276 static __attribute__((always_inline)) inline JSObject *
2277 MAGIC_JSVAL_TO_OBJECT_OR_NULL_IMPL(jsval_layout l)
2278 {
2279     uint64 ptrBits = l.asBits & 0x00007FFFFFFFFFFFLL;
2280     ((void) 0);
2281     ((void) 0);
2282     return (JSObject *)ptrBits;
2283 }
2284 static __attribute__((always_inline)) inline JSBool
2285 JSVAL_IS_PRIMITIVE_IMPL(jsval_layout l)
2286 {
2287     return l.asBits < JSVAL_SHIFTED_TAG_OBJECT;
2288 }
2289 static __attribute__((always_inline)) inline JSBool
2290 JSVAL_IS_OBJECT_IMPL(jsval_layout l)
2291 {
2292     ((void) 0);
2293     return l.asBits >= JSVAL_SHIFTED_TAG_OBJECT;
2294 }
2295 static __attribute__((always_inline)) inline JSBool
2296 JSVAL_IS_OBJECT_OR_NULL_IMPL(jsval_layout l)
2297 {
2298     ((void) 0);
2299     return l.asBits >= JSVAL_SHIFTED_TAG_NULL;
2300 }
2301 static __attribute__((always_inline)) inline JSObject *
2302 JSVAL_TO_OBJECT_IMPL(jsval_layout l)
2303 {
2304     uint64 ptrBits = l.asBits & 0x00007FFFFFFFFFFFLL;
2305     ((void) 0);
2306     return (JSObject *)ptrBits;
2307 }
2308 static __attribute__((always_inline)) inline jsval_layout
2309 OBJECT_TO_JSVAL_IMPL(JSObject *obj)
2310 {
2311     jsval_layout l;
2312     uint64 objBits = (uint64)obj;
2313     ((void) 0);
2314     ((void) 0);
2315     l.asBits = objBits | JSVAL_SHIFTED_TAG_OBJECT;
2316     return l;
2317 }
2318 static __attribute__((always_inline)) inline JSBool
2319 JSVAL_IS_NULL_IMPL(jsval_layout l)
2320 {
2321     return l.asBits == JSVAL_SHIFTED_TAG_NULL;
2322 }
2323 static __attribute__((always_inline)) inline JSBool
2324 JSVAL_IS_GCTHING_IMPL(jsval_layout l)
2325 {
2326     return l.asBits >= JSVAL_SHIFTED_TAG_STRING;
2327 }
2328 static __attribute__((always_inline)) inline void *
2329 JSVAL_TO_GCTHING_IMPL(jsval_layout l)
2330 {
2331     uint64 ptrBits = l.asBits & 0x00007FFFFFFFFFFFLL;
2332     ((void) 0);
2333     return (void *)ptrBits;
2334 }
2335 static __attribute__((always_inline)) inline JSBool
2336 JSVAL_IS_TRACEABLE_IMPL(jsval_layout l)
2337 {
2338     return JSVAL_IS_GCTHING_IMPL(l) && !JSVAL_IS_NULL_IMPL(l);
2339 }
2340 static __attribute__((always_inline)) inline uint32
2341 JSVAL_TRACE_KIND_IMPL(jsval_layout l)
2342 {
2343     return (uint32)(JSBool)!(JSVAL_IS_OBJECT_IMPL(l));
2344 }
2345 static __attribute__((always_inline)) inline jsval_layout
2346 PRIVATE_PTR_TO_JSVAL_IMPL(void *ptr)
2347 {
2348     jsval_layout l;
2349     uint64 ptrBits = (uint64)ptr;
2350     ((void) 0);
2351     l.asBits = ptrBits >> 1;
2352     ((void) 0);
2353     return l;
2354 }
2355 static __attribute__((always_inline)) inline void *
2356 JSVAL_TO_PRIVATE_PTR_IMPL(jsval_layout l)
2357 {
2358     ((void) 0);
2359     return (void *)(l.asBits << 1);
2360 }
2361 static __attribute__((always_inline)) inline double
2362 JS_CANONICALIZE_NAN(double d)
2363 {
2364     if ((__builtin_expect((d != d), 0))) {
2365         jsval_layout l;
2366         l.asBits = 0x7FF8000000000000LL;
2367         return l.asDouble;
2368     }
2369     return d;
2370 }
2371 typedef __attribute__((aligned (8))) uint64 jsval;
2372 typedef ptrdiff_t jsid;
2373 }
2374 extern "C" {
2375 typedef JSInt32 jsint;
2376 typedef JSUint32 jsuint;
2377 typedef float64 jsdouble;
2378 typedef JSInt32 jsrefcount;
2379 typedef JSUint16 jschar;
2380 typedef enum JSVersion {
2381     JSVERSION_1_0 = 100,
2382     JSVERSION_1_1 = 110,
2383     JSVERSION_1_2 = 120,
2384     JSVERSION_1_3 = 130,
2385     JSVERSION_1_4 = 140,
2386     JSVERSION_ECMA_3 = 148,
2387     JSVERSION_1_5 = 150,
2388     JSVERSION_1_6 = 160,
2389     JSVERSION_1_7 = 170,
2390     JSVERSION_1_8 = 180,
2391     JSVERSION_ECMA_5 = 185,
2392     JSVERSION_DEFAULT = 0,
2393     JSVERSION_UNKNOWN = -1,
2394     JSVERSION_LATEST = JSVERSION_ECMA_5
2395 } JSVersion;
2396 typedef enum JSType {
2397     JSTYPE_VOID,
2398     JSTYPE_OBJECT,
2399     JSTYPE_FUNCTION,
2400     JSTYPE_STRING,
2401     JSTYPE_NUMBER,
2402     JSTYPE_BOOLEAN,
2403     JSTYPE_NULL,
2404     JSTYPE_XML,
2405     JSTYPE_LIMIT
2406 } JSType;
2407 typedef enum JSProtoKey {
2408 JSProto_Null = 0,
2409 JSProto_Object = 1,
2410 JSProto_Function = 2,
2411 JSProto_Array = 3,
2412 JSProto_Boolean = 4,
2413 JSProto_JSON = 5,
2414 JSProto_Date = 6,
2415 JSProto_Math = 7,
2416 JSProto_Number = 8,
2417 JSProto_String = 9,
2418 JSProto_RegExp = 10,
2419 JSProto_XML = 11,
2420 JSProto_Namespace = 12,
2421 JSProto_QName = 13,
2422 JSProto_Reflect = 14,
2423 JSProto_ASTNode = 15,
2424 JSProto_Error = 16,
2425 JSProto_InternalError = 17,
2426 JSProto_EvalError = 18,
2427 JSProto_RangeError = 19,
2428 JSProto_ReferenceError = 20,
2429 JSProto_SyntaxError = 21,
2430 JSProto_TypeError = 22,
2431 JSProto_URIError = 23,
2432 JSProto_Generator = 24,
2433 JSProto_Iterator = 25,
2434 JSProto_StopIteration = 26,
2435 JSProto_ArrayBuffer = 27,
2436 JSProto_Int8Array = 28,
2437 JSProto_Uint8Array = 29,
2438 JSProto_Int16Array = 30,
2439 JSProto_Uint16Array = 31,
2440 JSProto_Int32Array = 32,
2441 JSProto_Uint32Array = 33,
2442 JSProto_Float32Array = 34,
2443 JSProto_Float64Array = 35,
2444 JSProto_Uint8ClampedArray = 36,
2445 JSProto_Proxy = 37,
2446 JSProto_AnyName = 38,
2447     JSProto_LIMIT
2448 } JSProtoKey;
2449 typedef enum JSAccessMode {
2450     JSACC_PROTO = 0,
2451     JSACC_PARENT = 1,
2452     JSACC_WATCH = 3,
2453     JSACC_READ = 4,
2454     JSACC_WRITE = 8,
2455     JSACC_LIMIT
2456 } JSAccessMode;
2457 typedef enum JSIterateOp {
2458     JSENUMERATE_INIT,
2459     JSENUMERATE_INIT_ALL,
2460     JSENUMERATE_NEXT,
2461     JSENUMERATE_DESTROY
2462 } JSIterateOp;
2463 typedef struct JSClass JSClass;
2464 typedef struct JSConstDoubleSpec JSConstDoubleSpec;
2465 typedef struct JSContext JSContext;
2466 typedef struct JSErrorReport JSErrorReport;
2467 typedef struct JSFunction JSFunction;
2468 typedef struct JSFunctionSpec JSFunctionSpec;
2469 typedef struct JSTracer JSTracer;
2470 typedef struct JSIdArray JSIdArray;
2471 typedef struct JSPropertyDescriptor JSPropertyDescriptor;
2472 typedef struct JSPropertySpec JSPropertySpec;
2473 typedef struct JSObjectMap JSObjectMap;
2474 typedef struct JSRuntime JSRuntime;
2475 typedef struct JSStackFrame JSStackFrame;
2476 typedef struct JSXDRState JSXDRState;
2477 typedef struct JSExceptionState JSExceptionState;
2478 typedef struct JSLocaleCallbacks JSLocaleCallbacks;
2479 typedef struct JSSecurityCallbacks JSSecurityCallbacks;
2480 typedef struct JSONParser JSONParser;
2481 typedef struct JSCompartment JSCompartment;
2482 typedef struct JSCrossCompartmentCall JSCrossCompartmentCall;
2483 typedef struct JSStructuredCloneWriter JSStructuredCloneWriter;
2484 typedef struct JSStructuredCloneReader JSStructuredCloneReader;
2485 typedef struct JSStructuredCloneCallbacks JSStructuredCloneCallbacks;
2486 typedef class JSWrapper JSWrapper;
2487 typedef class JSCrossCompartmentWrapper JSCrossCompartmentWrapper;
2488 typedef JSBool
2489 (* JSPropertyOp)(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
2490 typedef JSBool
2491 (* JSStrictPropertyOp)(JSContext *cx, JSObject *obj, jsid id, JSBool strict, jsval *vp);
2492 typedef JSBool
2493 (* JSNewEnumerateOp)(JSContext *cx, JSObject *obj, JSIterateOp enum_op,
2494                      jsval *statep, jsid *idp);
2495 typedef JSBool
2496 (* JSEnumerateOp)(JSContext *cx, JSObject *obj);
2497 typedef JSBool
2498 (* JSResolveOp)(JSContext *cx, JSObject *obj, jsid id);
2499 typedef JSBool
2500 (* JSNewResolveOp)(JSContext *cx, JSObject *obj, jsid id, uintN flags,
2501                    JSObject **objp);
2502 typedef JSBool
2503 (* JSConvertOp)(JSContext *cx, JSObject *obj, JSType type, jsval *vp);
2504 typedef JSType
2505 (* JSTypeOfOp)(JSContext *cx, JSObject *obj);
2506 typedef void
2507 (* JSFinalizeOp)(JSContext *cx, JSObject *obj);
2508 typedef void
2509 (* JSStringFinalizeOp)(JSContext *cx, JSString *str);
2510 typedef JSBool
2511 (* JSCheckAccessOp)(JSContext *cx, JSObject *obj, jsid id, JSAccessMode mode,
2512                     jsval *vp);
2513 typedef JSBool
2514 (* JSXDRObjectOp)(JSXDRState *xdr, JSObject **objp);
2515 typedef JSBool
2516 (* JSHasInstanceOp)(JSContext *cx, JSObject *obj, const jsval *v, JSBool *bp);
2517 typedef uint32
2518 (* JSMarkOp)(JSContext *cx, JSObject *obj, void *arg);
2519 typedef void
2520 (* JSTraceOp)(JSTracer *trc, JSObject *obj);
2521 typedef void
2522 (* JSTraceCallback)(JSTracer *trc, void *thing, uint32 kind);
2523 typedef void
2524 (* JSTraceNamePrinter)(JSTracer *trc, char *buf, size_t bufsize);
2525 typedef JSBool
2526 (* JSEqualityOp)(JSContext *cx, JSObject *obj, const jsval *v, JSBool *bp);
2527 typedef JSBool
2528 (* JSNative)(JSContext *cx, uintN argc, jsval *vp);
2529 typedef enum JSContextOp {
2530     JSCONTEXT_NEW,
2531     JSCONTEXT_DESTROY
2532 } JSContextOp;
2533 typedef JSBool
2534 (* JSContextCallback)(JSContext *cx, uintN contextOp);
2535 typedef enum JSGCStatus {
2536     JSGC_BEGIN,
2537     JSGC_END,
2538     JSGC_MARK_END,
2539     JSGC_FINALIZE_END
2540 } JSGCStatus;
2541 typedef JSBool
2542 (* JSGCCallback)(JSContext *cx, JSGCStatus status);
2543 typedef void
2544 (* JSTraceDataOp)(JSTracer *trc, void *data);
2545 typedef JSBool
2546 (* JSOperationCallback)(JSContext *cx);
2547 typedef void
2548 (* JSErrorReporter)(JSContext *cx, const char *message, JSErrorReport *report);
2549 typedef enum JSExnType {
2550     JSEXN_NONE = -1,
2551       JSEXN_ERR,
2552         JSEXN_INTERNALERR,
2553         JSEXN_EVALERR,
2554         JSEXN_RANGEERR,
2555         JSEXN_REFERENCEERR,
2556         JSEXN_SYNTAXERR,
2557         JSEXN_TYPEERR,
2558         JSEXN_URIERR,
2559         JSEXN_LIMIT
2560 } JSExnType;
2561 typedef struct JSErrorFormatString {
2562     const char *format;
2563     uint16 argCount;
2564     int16 exnType;
2565 } JSErrorFormatString;
2566 typedef const JSErrorFormatString *
2567 (* JSErrorCallback)(void *userRef, const char *locale,
2568                     const uintN errorNumber);
2569 typedef JSBool
2570 (* JSArgumentFormatter)(JSContext *cx, const char *format, JSBool fromJS,
2571                         jsval **vpp, va_list *app);
2572 typedef JSBool
2573 (* JSLocaleToUpperCase)(JSContext *cx, JSString *src, jsval *rval);
2574 typedef JSBool
2575 (* JSLocaleToLowerCase)(JSContext *cx, JSString *src, jsval *rval);
2576 typedef JSBool
2577 (* JSLocaleCompare)(JSContext *cx, JSString *src1, JSString *src2,
2578                     jsval *rval);
2579 typedef JSBool
2580 (* JSLocaleToUnicode)(JSContext *cx, const char *src, jsval *rval);
2581 typedef struct JSPrincipals JSPrincipals;
2582 typedef JSBool
2583 (* JSPrincipalsTranscoder)(JSXDRState *xdr, JSPrincipals **principalsp);
2584 typedef JSPrincipals *
2585 (* JSObjectPrincipalsFinder)(JSContext *cx, JSObject *obj);
2586 typedef JSBool
2587 (* JSCSPEvalChecker)(JSContext *cx);
2588 typedef JSObject *
2589 (* JSWrapObjectCallback)(JSContext *cx, JSObject *obj, JSObject *proto, JSObject *parent,
2590                          uintN flags);
2591 typedef JSObject *
2592 (* JSPreWrapCallback)(JSContext *cx, JSObject *scope, JSObject *obj, uintN flags);
2593 typedef enum {
2594     JSCOMPARTMENT_NEW,
2595     JSCOMPARTMENT_DESTROY
2596 } JSCompartmentOp;
2597 typedef JSBool
2598 (* JSCompartmentCallback)(JSContext *cx, JSCompartment *compartment, uintN compartmentOp);
2599 typedef JSObject *(*ReadStructuredCloneOp)(JSContext *cx, JSStructuredCloneReader *r,
2600                                            uint32 tag, uint32 data, void *closure);
2601 typedef JSBool (*WriteStructuredCloneOp)(JSContext *cx, JSStructuredCloneWriter *w,
2602                                          JSObject *obj, void *closure);
2603 typedef void (*StructuredCloneErrorOp)(JSContext *cx, uint32 errorid);
2604 }
2605 extern "C" {
2606 static __attribute__((always_inline)) inline JSBool
2607 JSVAL_IS_NULL(jsval v)
2608 {
2609     jsval_layout l;
2610     l.asBits = (v);
2611     return JSVAL_IS_NULL_IMPL(l);
2612 }
2613 static __attribute__((always_inline)) inline JSBool
2614 JSVAL_IS_VOID(jsval v)
2615 {
2616     jsval_layout l;
2617     l.asBits = (v);
2618     return JSVAL_IS_UNDEFINED_IMPL(l);
2619 }
2620 static __attribute__((always_inline)) inline JSBool
2621 JSVAL_IS_INT(jsval v)
2622 {
2623     jsval_layout l;
2624     l.asBits = (v);
2625     return JSVAL_IS_INT32_IMPL(l);
2626 }
2627 static __attribute__((always_inline)) inline jsint
2628 JSVAL_TO_INT(jsval v)
2629 {
2630     jsval_layout l;
2631     ((void) 0);
2632     l.asBits = (v);
2633     return JSVAL_TO_INT32_IMPL(l);
2634 }
2635 static __attribute__((always_inline)) inline jsval
2636 INT_TO_JSVAL(int32 i)
2637 {
2638     return ((INT32_TO_JSVAL_IMPL(i)).asBits);
2639 }
2640 static __attribute__((always_inline)) inline JSBool
2641 JSVAL_IS_DOUBLE(jsval v)
2642 {
2643     jsval_layout l;
2644     l.asBits = (v);
2645     return JSVAL_IS_DOUBLE_IMPL(l);
2646 }
2647 static __attribute__((always_inline)) inline jsdouble
2648 JSVAL_TO_DOUBLE(jsval v)
2649 {
2650     jsval_layout l;
2651     ((void) 0);
2652     l.asBits = (v);
2653     return l.asDouble;
2654 }
2655 static __attribute__((always_inline)) inline jsval
2656 DOUBLE_TO_JSVAL(jsdouble d)
2657 {
2658     d = JS_CANONICALIZE_NAN(d);
2659     return ((DOUBLE_TO_JSVAL_IMPL(d)).asBits);
2660 }
2661 static __attribute__((always_inline)) inline jsval
2662 UINT_TO_JSVAL(uint32 i)
2663 {
2664     if (i <= ((jsint)0x7fffffff))
2665         return INT_TO_JSVAL((int32)i);
2666     return DOUBLE_TO_JSVAL((jsdouble)i);
2667 }
2668 static __attribute__((always_inline)) inline JSBool
2669 JSVAL_IS_NUMBER(jsval v)
2670 {
2671     jsval_layout l;
2672     l.asBits = (v);
2673     return JSVAL_IS_NUMBER_IMPL(l);
2674 }
2675 static __attribute__((always_inline)) inline JSBool
2676 JSVAL_IS_STRING(jsval v)
2677 {
2678     jsval_layout l;
2679     l.asBits = (v);
2680     return JSVAL_IS_STRING_IMPL(l);
2681 }
2682 static __attribute__((always_inline)) inline JSString *
2683 JSVAL_TO_STRING(jsval v)
2684 {
2685     jsval_layout l;
2686     ((void) 0);
2687     l.asBits = (v);
2688     return JSVAL_TO_STRING_IMPL(l);
2689 }
2690 static __attribute__((always_inline)) inline jsval
2691 STRING_TO_JSVAL(JSString *str)
2692 {
2693     return ((STRING_TO_JSVAL_IMPL(str)).asBits);
2694 }
2695 static __attribute__((always_inline)) inline JSBool
2696 JSVAL_IS_OBJECT(jsval v)
2697 {
2698     jsval_layout l;
2699     l.asBits = (v);
2700     return JSVAL_IS_OBJECT_OR_NULL_IMPL(l);
2701 }
2702 static __attribute__((always_inline)) inline JSObject *
2703 JSVAL_TO_OBJECT(jsval v)
2704 {
2705     jsval_layout l;
2706     ((void) 0);
2707     l.asBits = (v);
2708     return JSVAL_TO_OBJECT_IMPL(l);
2709 }
2710 static __attribute__((always_inline)) inline jsval
2711 OBJECT_TO_JSVAL(JSObject *obj)
2712 {
2713     if (obj)
2714         return ((OBJECT_TO_JSVAL_IMPL(obj)).asBits);
2715     return ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0));
2716 }
2717 static __attribute__((always_inline)) inline JSBool
2718 JSVAL_IS_BOOLEAN(jsval v)
2719 {
2720     jsval_layout l;
2721     l.asBits = (v);
2722     return JSVAL_IS_BOOLEAN_IMPL(l);
2723 }
2724 static __attribute__((always_inline)) inline JSBool
2725 JSVAL_TO_BOOLEAN(jsval v)
2726 {
2727     jsval_layout l;
2728     ((void) 0);
2729     l.asBits = (v);
2730     return JSVAL_TO_BOOLEAN_IMPL(l);
2731 }
2732 static __attribute__((always_inline)) inline jsval
2733 BOOLEAN_TO_JSVAL(JSBool b)
2734 {
2735     return ((BOOLEAN_TO_JSVAL_IMPL(b)).asBits);
2736 }
2737 static __attribute__((always_inline)) inline JSBool
2738 JSVAL_IS_PRIMITIVE(jsval v)
2739 {
2740     jsval_layout l;
2741     l.asBits = (v);
2742     return JSVAL_IS_PRIMITIVE_IMPL(l);
2743 }
2744 static __attribute__((always_inline)) inline JSBool
2745 JSVAL_IS_GCTHING(jsval v)
2746 {
2747     jsval_layout l;
2748     l.asBits = (v);
2749     return JSVAL_IS_GCTHING_IMPL(l);
2750 }
2751 static __attribute__((always_inline)) inline void *
2752 JSVAL_TO_GCTHING(jsval v)
2753 {
2754     jsval_layout l;
2755     ((void) 0);
2756     l.asBits = (v);
2757     return JSVAL_TO_GCTHING_IMPL(l);
2758 }
2759 static __attribute__((always_inline)) inline jsval
2760 PRIVATE_TO_JSVAL(void *ptr)
2761 {
2762     return ((PRIVATE_PTR_TO_JSVAL_IMPL(ptr)).asBits);
2763 }
2764 static __attribute__((always_inline)) inline void *
2765 JSVAL_TO_PRIVATE(jsval v)
2766 {
2767     jsval_layout l;
2768     ((void) 0);
2769     l.asBits = (v);
2770     return JSVAL_TO_PRIVATE_PTR_IMPL(l);
2771 }
2772 static __attribute__((always_inline)) inline JSBool
2773 JSID_IS_STRING(jsid iden)
2774 {
2775     return ((iden) & 0x7) == 0;
2776 }
2777 static __attribute__((always_inline)) inline JSString *
2778 JSID_TO_STRING(jsid iden)
2779 {
2780     ((void) 0);
2781     return (JSString *)((iden));
2782 }
2783 static __attribute__((always_inline)) inline JSBool
2784 JSID_IS_ZERO(jsid iden)
2785 {
2786     return (iden) == 0;
2787 }
2788 __attribute__((visibility ("default"))) JSBool
2789 JS_StringHasBeenInterned(JSString *str);
2790 static __attribute__((always_inline)) inline jsid
2791 INTERNED_STRING_TO_JSID(JSString *str)
2792 {
2793     jsid iden;
2794     ((void) 0);
2795     ((void) 0);
2796     ((void) 0);
2797     (iden) = (size_t)str;
2798     return iden;
2799 }
2800 static __attribute__((always_inline)) inline JSBool
2801 JSID_IS_INT(jsid iden)
2802 {
2803     return !!((iden) & 0x1);
2804 }
2805 static __attribute__((always_inline)) inline int32
2806 JSID_TO_INT(jsid iden)
2807 {
2808     ((void) 0);
2809     return ((int32)(iden)) >> 1;
2810 }
2811 static __attribute__((always_inline)) inline JSBool
2812 INT_FITS_IN_JSID(int32 i)
2813 {
2814     return ((jsuint)(i) - (jsuint)(-(1 << 30)) <=
2815             (jsuint)(((1 << 30) - 1) - (-(1 << 30))));
2816 }
2817 static __attribute__((always_inline)) inline jsid
2818 INT_TO_JSID(int32 i)
2819 {
2820     jsid iden;
2821     ((void) 0);
2822     (iden) = ((i << 1) | 0x1);
2823     return iden;
2824 }
2825 static __attribute__((always_inline)) inline JSBool
2826 JSID_IS_OBJECT(jsid iden)
2827 {
2828     return ((iden) & 0x7) == 0x4 &&
2829            (size_t)(iden) != 0x4;
2830 }
2831 static __attribute__((always_inline)) inline JSObject *
2832 JSID_TO_OBJECT(jsid iden)
2833 {
2834     ((void) 0);
2835     return (JSObject *)((iden) & ~(size_t)0x7);
2836 }
2837 static __attribute__((always_inline)) inline jsid
2838 OBJECT_TO_JSID(JSObject *obj)
2839 {
2840     jsid iden;
2841     ((void) 0);
2842     ((void) 0);
2843     (iden) = ((size_t)obj | 0x4);
2844     return iden;
2845 }
2846 static __attribute__((always_inline)) inline JSBool
2847 JSID_IS_GCTHING(jsid iden)
2848 {
2849     return JSID_IS_STRING(iden) || JSID_IS_OBJECT(iden);
2850 }
2851 static __attribute__((always_inline)) inline void *
2852 JSID_TO_GCTHING(jsid iden)
2853 {
2854     return (void *)((iden) & ~(size_t)0x7);
2855 }
2856 static __attribute__((always_inline)) inline JSBool
2857 JSID_IS_DEFAULT_XML_NAMESPACE(jsid iden)
2858 {
2859     ((void) 0)
2860                                                                   ;
2861     return ((size_t)(iden) == 0x6);
2862 }
2863 static __attribute__((always_inline)) inline JSBool
2864 JSID_IS_VOID(jsid iden)
2865 {
2866     ((void) 0)
2867                                                  ;
2868     return ((size_t)(iden) == 0x2);
2869 }
2870 static __attribute__((always_inline)) inline JSBool
2871 JSID_IS_EMPTY(jsid iden)
2872 {
2873     return ((size_t)(iden) == 0x4);
2874 }
2875 extern __attribute__((visibility ("default"))) int64
2876 JS_Now(void);
2877 extern __attribute__((visibility ("default"))) jsval
2878 JS_GetNaNValue(JSContext *cx);
2879 extern __attribute__((visibility ("default"))) jsval
2880 JS_GetNegativeInfinityValue(JSContext *cx);
2881 extern __attribute__((visibility ("default"))) jsval
2882 JS_GetPositiveInfinityValue(JSContext *cx);
2883 extern __attribute__((visibility ("default"))) jsval
2884 JS_GetEmptyStringValue(JSContext *cx);
2885 extern __attribute__((visibility ("default"))) JSString *
2886 JS_GetEmptyString(JSRuntime *rt);
2887 extern __attribute__((visibility ("default"))) JSBool
2888 JS_ConvertArguments(JSContext *cx, uintN argc, jsval *argv, const char *format,
2889                     ...);
2890 extern __attribute__((visibility ("default"))) JSBool
2891 JS_ConvertArgumentsVA(JSContext *cx, uintN argc, jsval *argv,
2892                       const char *format, va_list ap);
2893 extern __attribute__((visibility ("default"))) JSBool
2894 JS_AddArgumentFormatter(JSContext *cx, const char *format,
2895                         JSArgumentFormatter formatter);
2896 extern __attribute__((visibility ("default"))) void
2897 JS_RemoveArgumentFormatter(JSContext *cx, const char *format);
2898 extern __attribute__((visibility ("default"))) JSBool
2899 JS_ConvertValue(JSContext *cx, jsval v, JSType type, jsval *vp);
2900 extern __attribute__((visibility ("default"))) JSBool
2901 JS_ValueToObject(JSContext *cx, jsval v, JSObject **objp);
2902 extern __attribute__((visibility ("default"))) JSFunction *
2903 JS_ValueToFunction(JSContext *cx, jsval v);
2904 extern __attribute__((visibility ("default"))) JSFunction *
2905 JS_ValueToConstructor(JSContext *cx, jsval v);
2906 extern __attribute__((visibility ("default"))) JSString *
2907 JS_ValueToString(JSContext *cx, jsval v);
2908 extern __attribute__((visibility ("default"))) JSString *
2909 JS_ValueToSource(JSContext *cx, jsval v);
2910 extern __attribute__((visibility ("default"))) JSBool
2911 JS_ValueToNumber(JSContext *cx, jsval v, jsdouble *dp);
2912 extern __attribute__((visibility ("default"))) JSBool
2913 JS_DoubleIsInt32(jsdouble d, jsint *ip);
2914 extern __attribute__((visibility ("default"))) JSBool
2915 JS_ValueToECMAInt32(JSContext *cx, jsval v, int32 *ip);
2916 extern __attribute__((visibility ("default"))) JSBool
2917 JS_ValueToECMAUint32(JSContext *cx, jsval v, uint32 *ip);
2918 extern __attribute__((visibility ("default"))) JSBool
2919 JS_ValueToInt32(JSContext *cx, jsval v, int32 *ip);
2920 extern __attribute__((visibility ("default"))) JSBool
2921 JS_ValueToUint16(JSContext *cx, jsval v, uint16 *ip);
2922 extern __attribute__((visibility ("default"))) JSBool
2923 JS_ValueToBoolean(JSContext *cx, jsval v, JSBool *bp);
2924 extern __attribute__((visibility ("default"))) JSType
2925 JS_TypeOfValue(JSContext *cx, jsval v);
2926 extern __attribute__((visibility ("default"))) const char *
2927 JS_GetTypeName(JSContext *cx, JSType type);
2928 extern __attribute__((visibility ("default"))) JSBool
2929 JS_StrictlyEqual(JSContext *cx, jsval v1, jsval v2, JSBool *equal);
2930 extern __attribute__((visibility ("default"))) JSBool
2931 JS_SameValue(JSContext *cx, jsval v1, jsval v2, JSBool *same);
2932 extern __attribute__((visibility ("default"))) JSRuntime *
2933 JS_Init(uint32 maxbytes);
2934 extern __attribute__((visibility ("default"))) void
2935 JS_Finish(JSRuntime *rt);
2936 extern __attribute__((visibility ("default"))) void
2937 JS_ShutDown(void);
2938 __attribute__((visibility ("default"))) void *
2939 JS_GetRuntimePrivate(JSRuntime *rt);
2940 __attribute__((visibility ("default"))) void
2941 JS_SetRuntimePrivate(JSRuntime *rt, void *data);
2942 extern __attribute__((visibility ("default"))) void
2943 JS_BeginRequest(JSContext *cx);
2944 extern __attribute__((visibility ("default"))) void
2945 JS_EndRequest(JSContext *cx);
2946 extern __attribute__((visibility ("default"))) void
2947 JS_YieldRequest(JSContext *cx);
2948 extern __attribute__((visibility ("default"))) jsrefcount
2949 JS_SuspendRequest(JSContext *cx);
2950 extern __attribute__((visibility ("default"))) void
2951 JS_ResumeRequest(JSContext *cx, jsrefcount saveDepth);
2952 extern __attribute__((visibility ("default"))) JSBool
2953 JS_IsInRequest(JSContext *cx);
2954 }
2955 class JSAutoRequest {
2956   public:
2957     JSAutoRequest(JSContext *cx )
2958         : mContext(cx), mSaveDepth(0) {
2959         do { } while (0);
2960         JS_BeginRequest(mContext);
2961     }
2962     ~JSAutoRequest() {
2963         JS_EndRequest(mContext);
2964     }
2965     void suspend() {
2966         mSaveDepth = JS_SuspendRequest(mContext);
2967     }
2968     void resume() {
2969         JS_ResumeRequest(mContext, mSaveDepth);
2970     }
2971   protected:
2972     JSContext *mContext;
2973     jsrefcount mSaveDepth;
2974
2975 };
2976 class JSAutoSuspendRequest {
2977   public:
2978     JSAutoSuspendRequest(JSContext *cx )
2979         : mContext(cx), mSaveDepth(0) {
2980         do { } while (0);
2981         if (mContext) {
2982             mSaveDepth = JS_SuspendRequest(mContext);
2983         }
2984     }
2985     ~JSAutoSuspendRequest() {
2986         resume();
2987     }
2988     void resume() {
2989         if (mContext) {
2990             JS_ResumeRequest(mContext, mSaveDepth);
2991             mContext = 0;
2992         }
2993     }
2994   protected:
2995     JSContext *mContext;
2996     jsrefcount mSaveDepth;
2997
2998 };
2999 class JSAutoCheckRequest {
3000   public:
3001     JSAutoCheckRequest(JSContext *cx ) {
3002         do { } while (0);
3003     }
3004     ~JSAutoCheckRequest() {
3005     }
3006   private:
3007
3008 };
3009 extern "C" {
3010 extern __attribute__((visibility ("default"))) void
3011 JS_Lock(JSRuntime *rt);
3012 extern __attribute__((visibility ("default"))) void
3013 JS_Unlock(JSRuntime *rt);
3014 extern __attribute__((visibility ("default"))) JSContextCallback
3015 JS_SetContextCallback(JSRuntime *rt, JSContextCallback cxCallback);
3016 extern __attribute__((visibility ("default"))) JSContext *
3017 JS_NewContext(JSRuntime *rt, size_t stackChunkSize);
3018 extern __attribute__((visibility ("default"))) void
3019 JS_DestroyContext(JSContext *cx);
3020 extern __attribute__((visibility ("default"))) void
3021 JS_DestroyContextNoGC(JSContext *cx);
3022 extern __attribute__((visibility ("default"))) void
3023 JS_DestroyContextMaybeGC(JSContext *cx);
3024 extern __attribute__((visibility ("default"))) void *
3025 JS_GetContextPrivate(JSContext *cx);
3026 extern __attribute__((visibility ("default"))) void
3027 JS_SetContextPrivate(JSContext *cx, void *data);
3028 extern __attribute__((visibility ("default"))) JSRuntime *
3029 JS_GetRuntime(JSContext *cx);
3030 extern __attribute__((visibility ("default"))) JSContext *
3031 JS_ContextIterator(JSRuntime *rt, JSContext **iterp);
3032 extern __attribute__((visibility ("default"))) JSVersion
3033 JS_GetVersion(JSContext *cx);
3034 extern __attribute__((visibility ("default"))) JSVersion
3035 JS_SetVersion(JSContext *cx, JSVersion version);
3036 extern __attribute__((visibility ("default"))) const char *
3037 JS_VersionToString(JSVersion version);
3038 extern __attribute__((visibility ("default"))) JSVersion
3039 JS_StringToVersion(const char *string);
3040 extern __attribute__((visibility ("default"))) uint32
3041 JS_GetOptions(JSContext *cx);
3042 extern __attribute__((visibility ("default"))) uint32
3043 JS_SetOptions(JSContext *cx, uint32 options);
3044 extern __attribute__((visibility ("default"))) uint32
3045 JS_ToggleOptions(JSContext *cx, uint32 options);
3046 extern __attribute__((visibility ("default"))) const char *
3047 JS_GetImplementationVersion(void);
3048 extern __attribute__((visibility ("default"))) JSCompartmentCallback
3049 JS_SetCompartmentCallback(JSRuntime *rt, JSCompartmentCallback callback);
3050 extern __attribute__((visibility ("default"))) JSWrapObjectCallback
3051 JS_SetWrapObjectCallbacks(JSRuntime *rt,
3052                           JSWrapObjectCallback callback,
3053                           JSPreWrapCallback precallback);
3054 extern __attribute__((visibility ("default"))) JSCrossCompartmentCall *
3055 JS_EnterCrossCompartmentCall(JSContext *cx, JSObject *target);
3056 extern __attribute__((visibility ("default"))) void
3057 JS_LeaveCrossCompartmentCall(JSCrossCompartmentCall *call);
3058 extern __attribute__((visibility ("default"))) void *
3059 JS_SetCompartmentPrivate(JSContext *cx, JSCompartment *compartment, void *data);
3060 extern __attribute__((visibility ("default"))) void *
3061 JS_GetCompartmentPrivate(JSContext *cx, JSCompartment *compartment);
3062 extern __attribute__((visibility ("default"))) JSBool
3063 JS_WrapObject(JSContext *cx, JSObject **objp);
3064 extern __attribute__((visibility ("default"))) JSBool
3065 JS_WrapValue(JSContext *cx, jsval *vp);
3066 extern __attribute__((visibility ("default"))) JSObject *
3067 JS_TransplantObject(JSContext *cx, JSObject *origobj, JSObject *target);
3068 extern __attribute__((visibility ("default"))) JSObject *
3069 js_TransplantObjectWithWrapper(JSContext *cx,
3070                                JSObject *origobj,
3071                                JSObject *origwrapper,
3072                                JSObject *targetobj,
3073                                JSObject *targetwrapper);
3074 extern __attribute__((visibility ("default"))) JSObject *
3075 js_TransplantObjectWithWrapper(JSContext *cx,
3076                                JSObject *origobj,
3077                                JSObject *origwrapper,
3078                                JSObject *targetobj,
3079                                JSObject *targetwrapper);
3080 }
3081 class __attribute__((visibility ("default"))) JSAutoEnterCompartment
3082 {
3083     JSCrossCompartmentCall *call;
3084   public:
3085     JSAutoEnterCompartment() : call(__null) {}
3086     bool enter(JSContext *cx, JSObject *target);
3087     void enterAndIgnoreErrors(JSContext *cx, JSObject *target);
3088     bool entered() const { return call != __null; }
3089     ~JSAutoEnterCompartment() {
3090         if (call && call != reinterpret_cast<JSCrossCompartmentCall*>(1))
3091             JS_LeaveCrossCompartmentCall(call);
3092     }
3093     void swap(JSAutoEnterCompartment &other) {
3094         JSCrossCompartmentCall *tmp = call;
3095         call = other.call;
3096         other.call = tmp;
3097     }
3098 };
3099 extern "C" {
3100 extern __attribute__((visibility ("default"))) JSObject *
3101 JS_GetGlobalObject(JSContext *cx);
3102 extern __attribute__((visibility ("default"))) void
3103 JS_SetGlobalObject(JSContext *cx, JSObject *obj);
3104 extern __attribute__((visibility ("default"))) JSBool
3105 JS_InitStandardClasses(JSContext *cx, JSObject *obj);
3106 extern __attribute__((visibility ("default"))) JSBool
3107 JS_ResolveStandardClass(JSContext *cx, JSObject *obj, jsid id,
3108                         JSBool *resolved);
3109 extern __attribute__((visibility ("default"))) JSBool
3110 JS_EnumerateStandardClasses(JSContext *cx, JSObject *obj);
3111 extern __attribute__((visibility ("default"))) JSIdArray *
3112 JS_EnumerateResolvedStandardClasses(JSContext *cx, JSObject *obj,
3113                                     JSIdArray *ida);
3114 extern __attribute__((visibility ("default"))) JSBool
3115 JS_GetClassObject(JSContext *cx, JSObject *obj, JSProtoKey key,
3116                   JSObject **objp);
3117 extern __attribute__((visibility ("default"))) JSObject *
3118 JS_GetScopeChain(JSContext *cx);
3119 extern __attribute__((visibility ("default"))) JSObject *
3120 JS_GetGlobalForObject(JSContext *cx, JSObject *obj);
3121 extern __attribute__((visibility ("default"))) JSObject *
3122 JS_GetGlobalForScopeChain(JSContext *cx);
3123 extern __attribute__((visibility ("default"))) jsval
3124 JS_ComputeThis(JSContext *cx, jsval *vp);
3125 static inline jsval
3126 JS_THIS(JSContext *cx, jsval *vp)
3127 {
3128     return JSVAL_IS_PRIMITIVE(vp[1]) ? JS_ComputeThis(cx, vp) : vp[1];
3129 }
3130 extern __attribute__((visibility ("default"))) void *
3131 JS_malloc(JSContext *cx, size_t nbytes);
3132 extern __attribute__((visibility ("default"))) void *
3133 JS_realloc(JSContext *cx, void *p, size_t nbytes);
3134 extern __attribute__((visibility ("default"))) void
3135 JS_free(JSContext *cx, void *p);
3136 extern __attribute__((visibility ("default"))) void
3137 JS_updateMallocCounter(JSContext *cx, size_t nbytes);
3138 extern __attribute__((visibility ("default"))) char *
3139 JS_strdup(JSContext *cx, const char *s);
3140 extern __attribute__((visibility ("default"))) JSBool
3141 JS_NewNumberValue(JSContext *cx, jsdouble d, jsval *rval);
3142 extern __attribute__((visibility ("default"))) JSBool
3143 JS_AddValueRoot(JSContext *cx, jsval *vp);
3144 extern __attribute__((visibility ("default"))) JSBool
3145 JS_AddStringRoot(JSContext *cx, JSString **rp);
3146 extern __attribute__((visibility ("default"))) JSBool
3147 JS_AddObjectRoot(JSContext *cx, JSObject **rp);
3148 extern __attribute__((visibility ("default"))) JSBool
3149 JS_AddGCThingRoot(JSContext *cx, void **rp);
3150 extern __attribute__((visibility ("default"))) JSBool
3151 JS_AddNamedValueRoot(JSContext *cx, jsval *vp, const char *name);
3152 extern __attribute__((visibility ("default"))) JSBool
3153 JS_AddNamedStringRoot(JSContext *cx, JSString **rp, const char *name);
3154 extern __attribute__((visibility ("default"))) JSBool
3155 JS_AddNamedObjectRoot(JSContext *cx, JSObject **rp, const char *name);
3156 extern __attribute__((visibility ("default"))) JSBool
3157 JS_AddNamedGCThingRoot(JSContext *cx, void **rp, const char *name);
3158 extern __attribute__((visibility ("default"))) JSBool
3159 JS_RemoveValueRoot(JSContext *cx, jsval *vp);
3160 extern __attribute__((visibility ("default"))) JSBool
3161 JS_RemoveStringRoot(JSContext *cx, JSString **rp);
3162 extern __attribute__((visibility ("default"))) JSBool
3163 JS_RemoveObjectRoot(JSContext *cx, JSObject **rp);
3164 extern __attribute__((visibility ("default"))) JSBool
3165 JS_RemoveGCThingRoot(JSContext *cx, void **rp);
3166 extern __attribute__((visibility ("default"))) JSBool
3167 js_AddRootRT(JSRuntime *rt, jsval *vp, const char *name);
3168 extern __attribute__((visibility ("default"))) JSBool
3169 js_AddGCThingRootRT(JSRuntime *rt, void **rp, const char *name);
3170 extern __attribute__((visibility ("default"))) JSBool
3171 js_RemoveRoot(JSRuntime *rt, void *rp);
3172 }
3173 namespace JS {
3174 template<typename T> class AnchorPermitted;
3175 template<> class AnchorPermitted<JSObject *> { };
3176 template<> class AnchorPermitted<const JSObject *> { };
3177 template<> class AnchorPermitted<JSFunction *> { };
3178 template<> class AnchorPermitted<const JSFunction *> { };
3179 template<> class AnchorPermitted<JSString *> { };
3180 template<> class AnchorPermitted<const JSString *> { };
3181 template<> class AnchorPermitted<jsval> { };
3182 template<typename T>
3183 class Anchor: AnchorPermitted<T> {
3184   public:
3185     Anchor() { }
3186     explicit Anchor(T t) { hold = t; }
3187     inline ~Anchor();
3188     T &get() { return hold; }
3189     void set(const T &t) { hold = t; }
3190     void clear() { hold = 0; }
3191   private:
3192     T hold;
3193     Anchor(const Anchor &);
3194     const Anchor &operator=(const Anchor &);
3195 };
3196 template<typename T>
3197 inline Anchor<T>::~Anchor() {
3198     asm volatile("":: "g" (hold) : "memory");
3199 }
3200 }
3201 extern "C" {
3202 extern __attribute__((noinline)) __attribute__((visibility ("default"))) void
3203 JS_AnchorPtr(void *p);
3204 typedef enum JSGCRootType {
3205     JS_GC_ROOT_VALUE_PTR,
3206     JS_GC_ROOT_GCTHING_PTR
3207 } JSGCRootType;
3208 typedef intN
3209 (* JSGCRootMapFun)(void *rp, JSGCRootType type, const char *name, void *data);
3210 extern __attribute__((visibility ("default"))) uint32
3211 JS_MapGCRoots(JSRuntime *rt, JSGCRootMapFun map, void *data);
3212 extern __attribute__((visibility ("default"))) JSBool
3213 JS_LockGCThing(JSContext *cx, void *thing);
3214 extern __attribute__((visibility ("default"))) JSBool
3215 JS_LockGCThingRT(JSRuntime *rt, void *thing);
3216 extern __attribute__((visibility ("default"))) JSBool
3217 JS_UnlockGCThing(JSContext *cx, void *thing);
3218 extern __attribute__((visibility ("default"))) JSBool
3219 JS_UnlockGCThingRT(JSRuntime *rt, void *thing);
3220 extern __attribute__((visibility ("default"))) void
3221 JS_SetExtraGCRoots(JSRuntime *rt, JSTraceDataOp traceOp, void *data);
3222 extern __attribute__((visibility ("default"))) void
3223 JS_MarkGCThing(JSContext *cx, jsval v, const char *name, void *arg);
3224 static __attribute__((always_inline)) inline JSBool
3225 JSVAL_IS_TRACEABLE(jsval v)
3226 {
3227     jsval_layout l;
3228     l.asBits = (v);
3229     return JSVAL_IS_TRACEABLE_IMPL(l);
3230 }
3231 static __attribute__((always_inline)) inline void *
3232 JSVAL_TO_TRACEABLE(jsval v)
3233 {
3234     return JSVAL_TO_GCTHING(v);
3235 }
3236 static __attribute__((always_inline)) inline uint32
3237 JSVAL_TRACE_KIND(jsval v)
3238 {
3239     jsval_layout l;
3240     ((void) 0);
3241     l.asBits = (v);
3242     return JSVAL_TRACE_KIND_IMPL(l);
3243 }
3244 struct JSTracer {
3245     JSContext *context;
3246     JSTraceCallback callback;
3247     JSTraceNamePrinter debugPrinter;
3248     const void *debugPrintArg;
3249     size_t debugPrintIndex;
3250 };
3251 extern __attribute__((visibility ("default"))) void
3252 JS_CallTracer(JSTracer *trc, void *thing, uint32 kind);
3253 extern __attribute__((visibility ("default"))) void
3254 JS_TraceChildren(JSTracer *trc, void *thing, uint32 kind);
3255 extern __attribute__((visibility ("default"))) void
3256 JS_TraceRuntime(JSTracer *trc);
3257 extern __attribute__((visibility ("default"))) void
3258 JS_GC(JSContext *cx);
3259 extern __attribute__((visibility ("default"))) void
3260 JS_MaybeGC(JSContext *cx);
3261 extern __attribute__((visibility ("default"))) JSGCCallback
3262 JS_SetGCCallback(JSContext *cx, JSGCCallback cb);
3263 extern __attribute__((visibility ("default"))) JSGCCallback
3264 JS_SetGCCallbackRT(JSRuntime *rt, JSGCCallback cb);
3265 extern __attribute__((visibility ("default"))) JSBool
3266 JS_IsGCMarkingTracer(JSTracer *trc);
3267 extern __attribute__((visibility ("default"))) JSBool
3268 JS_IsAboutToBeFinalized(JSContext *cx, void *thing);
3269 typedef enum JSGCParamKey {
3270     JSGC_MAX_BYTES = 0,
3271     JSGC_MAX_MALLOC_BYTES = 1,
3272     JSGC_STACKPOOL_LIFESPAN = 2,
3273     JSGC_TRIGGER_FACTOR = 3,
3274     JSGC_BYTES = 4,
3275     JSGC_NUMBER = 5,
3276     JSGC_MAX_CODE_CACHE_BYTES = 6,
3277     JSGC_MODE = 7,
3278     JSGC_UNUSED_CHUNKS = 8
3279 } JSGCParamKey;
3280 typedef enum JSGCMode {
3281     JSGC_MODE_GLOBAL = 0,
3282     JSGC_MODE_COMPARTMENT = 1
3283 } JSGCMode;
3284 extern __attribute__((visibility ("default"))) void
3285 JS_SetGCParameter(JSRuntime *rt, JSGCParamKey key, uint32 value);
3286 extern __attribute__((visibility ("default"))) uint32
3287 JS_GetGCParameter(JSRuntime *rt, JSGCParamKey key);
3288 extern __attribute__((visibility ("default"))) void
3289 JS_SetGCParameterForThread(JSContext *cx, JSGCParamKey key, uint32 value);
3290 extern __attribute__((visibility ("default"))) uint32
3291 JS_GetGCParameterForThread(JSContext *cx, JSGCParamKey key);
3292 extern __attribute__((visibility ("default"))) void
3293 JS_FlushCaches(JSContext *cx);
3294 extern __attribute__((visibility ("default"))) intN
3295 JS_AddExternalStringFinalizer(JSStringFinalizeOp finalizer);
3296 extern __attribute__((visibility ("default"))) intN
3297 JS_RemoveExternalStringFinalizer(JSStringFinalizeOp finalizer);
3298 extern __attribute__((visibility ("default"))) JSString *
3299 JS_NewExternalString(JSContext *cx, jschar *chars, size_t length, intN type);
3300 extern __attribute__((visibility ("default"))) intN
3301 JS_GetExternalStringGCType(JSRuntime *rt, JSString *str);
3302 extern __attribute__((visibility ("default"))) void
3303 JS_SetThreadStackLimit(JSContext *cx, jsuword limitAddr);
3304 extern __attribute__((visibility ("default"))) void
3305 JS_SetNativeStackQuota(JSContext *cx, size_t stackSize);
3306 extern __attribute__((visibility ("default"))) void
3307 JS_SetScriptStackQuota(JSContext *cx, size_t quota);
3308 typedef void (*JSClassInternal)();
3309 struct JSClass {
3310     const char *name;
3311     uint32 flags;
3312     JSPropertyOp addProperty;
3313     JSPropertyOp delProperty;
3314     JSPropertyOp getProperty;
3315     JSStrictPropertyOp setProperty;
3316     JSEnumerateOp enumerate;
3317     JSResolveOp resolve;
3318     JSConvertOp convert;
3319     JSFinalizeOp finalize;
3320     JSClassInternal reserved0;
3321     JSCheckAccessOp checkAccess;
3322     JSNative call;
3323     JSNative construct;
3324     JSXDRObjectOp xdrObject;
3325     JSHasInstanceOp hasInstance;
3326     JSMarkOp mark;
3327     JSClassInternal reserved1;
3328     void *reserved[19];
3329 };
3330 struct JSIdArray {
3331     jsint length;
3332     jsid vector[1];
3333 };
3334 extern __attribute__((visibility ("default"))) void
3335 JS_DestroyIdArray(JSContext *cx, JSIdArray *ida);
3336 extern __attribute__((visibility ("default"))) JSBool
3337 JS_ValueToId(JSContext *cx, jsval v, jsid *idp);
3338 extern __attribute__((visibility ("default"))) JSBool
3339 JS_IdToValue(JSContext *cx, jsid id, jsval *vp);
3340 extern __attribute__((visibility ("default"))) JSBool
3341 JS_PropertyStub(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
3342 extern __attribute__((visibility ("default"))) JSBool
3343 JS_StrictPropertyStub(JSContext *cx, JSObject *obj, jsid id, JSBool strict, jsval *vp);
3344 extern __attribute__((visibility ("default"))) JSBool
3345 JS_EnumerateStub(JSContext *cx, JSObject *obj);
3346 extern __attribute__((visibility ("default"))) JSBool
3347 JS_ResolveStub(JSContext *cx, JSObject *obj, jsid id);
3348 extern __attribute__((visibility ("default"))) JSBool
3349 JS_ConvertStub(JSContext *cx, JSObject *obj, JSType type, jsval *vp);
3350 extern __attribute__((visibility ("default"))) void
3351 JS_FinalizeStub(JSContext *cx, JSObject *obj);
3352 struct JSConstDoubleSpec {
3353     jsdouble dval;
3354     const char *name;
3355     uint8 flags;
3356     uint8 spare[3];
3357 };
3358 struct JSPropertySpec {
3359     const char *name;
3360     int8 tinyid;
3361     uint8 flags;
3362     JSPropertyOp getter;
3363     JSStrictPropertyOp setter;
3364 };
3365 struct JSFunctionSpec {
3366     const char *name;
3367     JSNative call;
3368     uint16 nargs;
3369     uint16 flags;
3370 };
3371 extern __attribute__((visibility ("default"))) JSObject *
3372 JS_InitClass(JSContext *cx, JSObject *obj, JSObject *parent_proto,
3373              JSClass *clasp, JSNative constructor, uintN nargs,
3374              JSPropertySpec *ps, JSFunctionSpec *fs,
3375              JSPropertySpec *static_ps, JSFunctionSpec *static_fs);
3376 extern __attribute__((visibility ("default"))) JSClass *
3377 JS_GetClass(JSContext *cx, JSObject *obj);
3378 extern __attribute__((visibility ("default"))) JSBool
3379 JS_InstanceOf(JSContext *cx, JSObject *obj, JSClass *clasp, jsval *argv);
3380 extern __attribute__((visibility ("default"))) JSBool
3381 JS_HasInstance(JSContext *cx, JSObject *obj, jsval v, JSBool *bp);
3382 extern __attribute__((visibility ("default"))) void *
3383 JS_GetPrivate(JSContext *cx, JSObject *obj);
3384 extern __attribute__((visibility ("default"))) JSBool
3385 JS_SetPrivate(JSContext *cx, JSObject *obj, void *data);
3386 extern __attribute__((visibility ("default"))) void *
3387 JS_GetInstancePrivate(JSContext *cx, JSObject *obj, JSClass *clasp,
3388                       jsval *argv);
3389 extern __attribute__((visibility ("default"))) JSObject *
3390 JS_GetPrototype(JSContext *cx, JSObject *obj);
3391 extern __attribute__((visibility ("default"))) JSBool
3392 JS_SetPrototype(JSContext *cx, JSObject *obj, JSObject *proto);
3393 extern __attribute__((visibility ("default"))) JSObject *
3394 JS_GetParent(JSContext *cx, JSObject *obj);
3395 extern __attribute__((visibility ("default"))) JSBool
3396 JS_SetParent(JSContext *cx, JSObject *obj, JSObject *parent);
3397 extern __attribute__((visibility ("default"))) JSObject *
3398 JS_GetConstructor(JSContext *cx, JSObject *proto);
3399 extern __attribute__((visibility ("default"))) JSBool
3400 JS_GetObjectId(JSContext *cx, JSObject *obj, jsid *idp);
3401 extern __attribute__((visibility ("default"))) JSObject *
3402 JS_NewGlobalObject(JSContext *cx, JSClass *clasp);
3403 extern __attribute__((visibility ("default"))) JSObject *
3404 JS_NewCompartmentAndGlobalObject(JSContext *cx, JSClass *clasp, JSPrincipals *principals);
3405 extern __attribute__((visibility ("default"))) JSObject *
3406 JS_NewObject(JSContext *cx, JSClass *clasp, JSObject *proto, JSObject *parent);
3407 extern __attribute__((visibility ("default"))) JSBool
3408 JS_IsExtensible(JSObject *obj);
3409 extern __attribute__((visibility ("default"))) JSObject *
3410 JS_NewObjectWithGivenProto(JSContext *cx, JSClass *clasp, JSObject *proto,
3411                            JSObject *parent);
3412 extern __attribute__((visibility ("default"))) JSBool
3413 JS_DeepFreezeObject(JSContext *cx, JSObject *obj);
3414 extern __attribute__((visibility ("default"))) JSBool
3415 JS_FreezeObject(JSContext *cx, JSObject *obj);
3416 extern __attribute__((visibility ("default"))) JSObject *
3417 JS_ConstructObject(JSContext *cx, JSClass *clasp, JSObject *proto,
3418                    JSObject *parent);
3419 extern __attribute__((visibility ("default"))) JSObject *
3420 JS_ConstructObjectWithArguments(JSContext *cx, JSClass *clasp, JSObject *proto,
3421                                 JSObject *parent, uintN argc, jsval *argv);
3422 extern __attribute__((visibility ("default"))) JSObject *
3423 JS_New(JSContext *cx, JSObject *ctor, uintN argc, jsval *argv);
3424 extern __attribute__((visibility ("default"))) JSObject *
3425 JS_DefineObject(JSContext *cx, JSObject *obj, const char *name, JSClass *clasp,
3426                 JSObject *proto, uintN attrs);
3427 extern __attribute__((visibility ("default"))) JSBool
3428 JS_DefineConstDoubles(JSContext *cx, JSObject *obj, JSConstDoubleSpec *cds);
3429 extern __attribute__((visibility ("default"))) JSBool
3430 JS_DefineProperties(JSContext *cx, JSObject *obj, JSPropertySpec *ps);
3431 extern __attribute__((visibility ("default"))) JSBool
3432 JS_DefineProperty(JSContext *cx, JSObject *obj, const char *name, jsval value,
3433                   JSPropertyOp getter, JSStrictPropertyOp setter, uintN attrs);
3434 extern __attribute__((visibility ("default"))) JSBool
3435 JS_DefinePropertyById(JSContext *cx, JSObject *obj, jsid id, jsval value,
3436                       JSPropertyOp getter, JSStrictPropertyOp setter, uintN attrs);
3437 extern __attribute__((visibility ("default"))) JSBool
3438 JS_DefineOwnProperty(JSContext *cx, JSObject *obj, jsid id, jsval descriptor, JSBool *bp);
3439 extern __attribute__((visibility ("default"))) JSBool
3440 JS_GetPropertyAttributes(JSContext *cx, JSObject *obj, const char *name,
3441                          uintN *attrsp, JSBool *foundp);
3442 extern __attribute__((visibility ("default"))) JSBool
3443 JS_GetPropertyAttrsGetterAndSetter(JSContext *cx, JSObject *obj,
3444                                    const char *name,
3445                                    uintN *attrsp, JSBool *foundp,
3446                                    JSPropertyOp *getterp,
3447                                    JSStrictPropertyOp *setterp);
3448 extern __attribute__((visibility ("default"))) JSBool
3449 JS_GetPropertyAttrsGetterAndSetterById(JSContext *cx, JSObject *obj,
3450                                        jsid id,
3451                                        uintN *attrsp, JSBool *foundp,
3452                                        JSPropertyOp *getterp,
3453                                        JSStrictPropertyOp *setterp);
3454 extern __attribute__((visibility ("default"))) JSBool
3455 JS_SetPropertyAttributes(JSContext *cx, JSObject *obj, const char *name,
3456                          uintN attrs, JSBool *foundp);
3457 extern __attribute__((visibility ("default"))) JSBool
3458 JS_DefinePropertyWithTinyId(JSContext *cx, JSObject *obj, const char *name,
3459                             int8 tinyid, jsval value,
3460                             JSPropertyOp getter, JSStrictPropertyOp setter,
3461                             uintN attrs);
3462 extern __attribute__((visibility ("default"))) JSBool
3463 JS_AliasProperty(JSContext *cx, JSObject *obj, const char *name,
3464                  const char *alias);
3465 extern __attribute__((visibility ("default"))) JSBool
3466 JS_AlreadyHasOwnProperty(JSContext *cx, JSObject *obj, const char *name,
3467                          JSBool *foundp);
3468 extern __attribute__((visibility ("default"))) JSBool
3469 JS_AlreadyHasOwnPropertyById(JSContext *cx, JSObject *obj, jsid id,
3470                              JSBool *foundp);
3471 extern __attribute__((visibility ("default"))) JSBool
3472 JS_HasProperty(JSContext *cx, JSObject *obj, const char *name, JSBool *foundp);
3473 extern __attribute__((visibility ("default"))) JSBool
3474 JS_HasPropertyById(JSContext *cx, JSObject *obj, jsid id, JSBool *foundp);
3475 extern __attribute__((visibility ("default"))) JSBool
3476 JS_LookupProperty(JSContext *cx, JSObject *obj, const char *name, jsval *vp);
3477 extern __attribute__((visibility ("default"))) JSBool
3478 JS_LookupPropertyById(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
3479 extern __attribute__((visibility ("default"))) JSBool
3480 JS_LookupPropertyWithFlags(JSContext *cx, JSObject *obj, const char *name,
3481                            uintN flags, jsval *vp);
3482 extern __attribute__((visibility ("default"))) JSBool
3483 JS_LookupPropertyWithFlagsById(JSContext *cx, JSObject *obj, jsid id,
3484                                uintN flags, JSObject **objp, jsval *vp);
3485 struct JSPropertyDescriptor {
3486     JSObject *obj;
3487     uintN attrs;
3488     JSPropertyOp getter;
3489     JSStrictPropertyOp setter;
3490     jsval value;
3491     uintN shortid;
3492 };
3493 extern __attribute__((visibility ("default"))) JSBool
3494 JS_GetPropertyDescriptorById(JSContext *cx, JSObject *obj, jsid id, uintN flags,
3495                              JSPropertyDescriptor *desc);
3496 extern __attribute__((visibility ("default"))) JSBool
3497 JS_GetOwnPropertyDescriptor(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
3498 extern __attribute__((visibility ("default"))) JSBool
3499 JS_GetProperty(JSContext *cx, JSObject *obj, const char *name, jsval *vp);
3500 extern __attribute__((visibility ("default"))) JSBool
3501 JS_GetPropertyDefault(JSContext *cx, JSObject *obj, const char *name, jsval def, jsval *vp);
3502 extern __attribute__((visibility ("default"))) JSBool
3503 JS_GetPropertyById(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
3504 extern __attribute__((visibility ("default"))) JSBool
3505 JS_GetPropertyByIdDefault(JSContext *cx, JSObject *obj, jsid id, jsval def, jsval *vp);
3506 extern __attribute__((visibility ("default"))) JSBool
3507 JS_GetMethodById(JSContext *cx, JSObject *obj, jsid id, JSObject **objp,
3508                  jsval *vp);
3509 extern __attribute__((visibility ("default"))) JSBool
3510 JS_GetMethod(JSContext *cx, JSObject *obj, const char *name, JSObject **objp,
3511              jsval *vp);
3512 extern __attribute__((visibility ("default"))) JSBool
3513 JS_SetProperty(JSContext *cx, JSObject *obj, const char *name, jsval *vp);
3514 extern __attribute__((visibility ("default"))) JSBool
3515 JS_SetPropertyById(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
3516 extern __attribute__((visibility ("default"))) JSBool
3517 JS_DeleteProperty(JSContext *cx, JSObject *obj, const char *name);
3518 extern __attribute__((visibility ("default"))) JSBool
3519 JS_DeleteProperty2(JSContext *cx, JSObject *obj, const char *name,
3520                    jsval *rval);
3521 extern __attribute__((visibility ("default"))) JSBool
3522 JS_DeletePropertyById(JSContext *cx, JSObject *obj, jsid id);
3523 extern __attribute__((visibility ("default"))) JSBool
3524 JS_DeletePropertyById2(JSContext *cx, JSObject *obj, jsid id, jsval *rval);
3525 extern __attribute__((visibility ("default"))) JSBool
3526 JS_DefineUCProperty(JSContext *cx, JSObject *obj,
3527                     const jschar *name, size_t namelen, jsval value,
3528                     JSPropertyOp getter, JSStrictPropertyOp setter,
3529                     uintN attrs);
3530 extern __attribute__((visibility ("default"))) JSBool
3531 JS_GetUCPropertyAttributes(JSContext *cx, JSObject *obj,
3532                            const jschar *name, size_t namelen,
3533                            uintN *attrsp, JSBool *foundp);
3534 extern __attribute__((visibility ("default"))) JSBool
3535 JS_GetUCPropertyAttrsGetterAndSetter(JSContext *cx, JSObject *obj,
3536                                      const jschar *name, size_t namelen,
3537                                      uintN *attrsp, JSBool *foundp,
3538                                      JSPropertyOp *getterp,
3539                                      JSStrictPropertyOp *setterp);
3540 extern __attribute__((visibility ("default"))) JSBool
3541 JS_SetUCPropertyAttributes(JSContext *cx, JSObject *obj,
3542                            const jschar *name, size_t namelen,
3543                            uintN attrs, JSBool *foundp);
3544 extern __attribute__((visibility ("default"))) JSBool
3545 JS_DefineUCPropertyWithTinyId(JSContext *cx, JSObject *obj,
3546                               const jschar *name, size_t namelen,
3547                               int8 tinyid, jsval value,
3548                               JSPropertyOp getter, JSStrictPropertyOp setter,
3549                               uintN attrs);
3550 extern __attribute__((visibility ("default"))) JSBool
3551 JS_AlreadyHasOwnUCProperty(JSContext *cx, JSObject *obj, const jschar *name,
3552                            size_t namelen, JSBool *foundp);
3553 extern __attribute__((visibility ("default"))) JSBool
3554 JS_HasUCProperty(JSContext *cx, JSObject *obj,
3555                  const jschar *name, size_t namelen,
3556                  JSBool *vp);
3557 extern __attribute__((visibility ("default"))) JSBool
3558 JS_LookupUCProperty(JSContext *cx, JSObject *obj,
3559                     const jschar *name, size_t namelen,
3560                     jsval *vp);
3561 extern __attribute__((visibility ("default"))) JSBool
3562 JS_GetUCProperty(JSContext *cx, JSObject *obj,
3563                  const jschar *name, size_t namelen,
3564                  jsval *vp);
3565 extern __attribute__((visibility ("default"))) JSBool
3566 JS_SetUCProperty(JSContext *cx, JSObject *obj,
3567                  const jschar *name, size_t namelen,
3568                  jsval *vp);
3569 extern __attribute__((visibility ("default"))) JSBool
3570 JS_DeleteUCProperty2(JSContext *cx, JSObject *obj,
3571                      const jschar *name, size_t namelen,
3572                      jsval *rval);
3573 extern __attribute__((visibility ("default"))) JSObject *
3574 JS_NewArrayObject(JSContext *cx, jsint length, jsval *vector);
3575 extern __attribute__((visibility ("default"))) JSBool
3576 JS_IsArrayObject(JSContext *cx, JSObject *obj);
3577 extern __attribute__((visibility ("default"))) JSBool
3578 JS_GetArrayLength(JSContext *cx, JSObject *obj, jsuint *lengthp);
3579 extern __attribute__((visibility ("default"))) JSBool
3580 JS_SetArrayLength(JSContext *cx, JSObject *obj, jsuint length);
3581 extern __attribute__((visibility ("default"))) JSBool
3582 JS_HasArrayLength(JSContext *cx, JSObject *obj, jsuint *lengthp);
3583 extern __attribute__((visibility ("default"))) JSBool
3584 JS_DefineElement(JSContext *cx, JSObject *obj, jsint index, jsval value,
3585                  JSPropertyOp getter, JSStrictPropertyOp setter, uintN attrs);
3586 extern __attribute__((visibility ("default"))) JSBool
3587 JS_AliasElement(JSContext *cx, JSObject *obj, const char *name, jsint alias);
3588 extern __attribute__((visibility ("default"))) JSBool
3589 JS_AlreadyHasOwnElement(JSContext *cx, JSObject *obj, jsint index,
3590                         JSBool *foundp);
3591 extern __attribute__((visibility ("default"))) JSBool
3592 JS_HasElement(JSContext *cx, JSObject *obj, jsint index, JSBool *foundp);
3593 extern __attribute__((visibility ("default"))) JSBool
3594 JS_LookupElement(JSContext *cx, JSObject *obj, jsint index, jsval *vp);
3595 extern __attribute__((visibility ("default"))) JSBool
3596 JS_GetElement(JSContext *cx, JSObject *obj, jsint index, jsval *vp);
3597 extern __attribute__((visibility ("default"))) JSBool
3598 JS_SetElement(JSContext *cx, JSObject *obj, jsint index, jsval *vp);
3599 extern __attribute__((visibility ("default"))) JSBool
3600 JS_DeleteElement(JSContext *cx, JSObject *obj, jsint index);
3601 extern __attribute__((visibility ("default"))) JSBool
3602 JS_DeleteElement2(JSContext *cx, JSObject *obj, jsint index, jsval *rval);
3603 extern __attribute__((visibility ("default"))) void
3604 JS_ClearScope(JSContext *cx, JSObject *obj);
3605 extern __attribute__((visibility ("default"))) JSIdArray *
3606 JS_Enumerate(JSContext *cx, JSObject *obj);
3607 extern __attribute__((visibility ("default"))) JSObject *
3608 JS_NewPropertyIterator(JSContext *cx, JSObject *obj);
3609 extern __attribute__((visibility ("default"))) JSBool
3610 JS_NextProperty(JSContext *cx, JSObject *iterobj, jsid *idp);
3611 extern __attribute__((visibility ("default"))) JSBool
3612 JS_CheckAccess(JSContext *cx, JSObject *obj, jsid id, JSAccessMode mode,
3613                jsval *vp, uintN *attrsp);
3614 extern __attribute__((visibility ("default"))) JSBool
3615 JS_GetReservedSlot(JSContext *cx, JSObject *obj, uint32 index, jsval *vp);
3616 extern __attribute__((visibility ("default"))) JSBool
3617 JS_SetReservedSlot(JSContext *cx, JSObject *obj, uint32 index, jsval v);
3618 struct JSPrincipals {
3619     char *codebase;
3620     void * (* getPrincipalArray)(JSContext *cx, JSPrincipals *);
3621     JSBool (* globalPrivilegesEnabled)(JSContext *cx, JSPrincipals *);
3622     jsrefcount refcount;
3623     void (* destroy)(JSContext *cx, JSPrincipals *);
3624     JSBool (* subsume)(JSPrincipals *, JSPrincipals *);
3625 };
3626 extern __attribute__((visibility ("default"))) jsrefcount
3627 JS_HoldPrincipals(JSContext *cx, JSPrincipals *principals);
3628 extern __attribute__((visibility ("default"))) jsrefcount
3629 JS_DropPrincipals(JSContext *cx, JSPrincipals *principals);
3630 struct JSSecurityCallbacks {
3631     JSCheckAccessOp checkObjectAccess;
3632     JSPrincipalsTranscoder principalsTranscoder;
3633     JSObjectPrincipalsFinder findObjectPrincipals;
3634     JSCSPEvalChecker contentSecurityPolicyAllows;
3635 };
3636 extern __attribute__((visibility ("default"))) JSSecurityCallbacks *
3637 JS_SetRuntimeSecurityCallbacks(JSRuntime *rt, JSSecurityCallbacks *callbacks);
3638 extern __attribute__((visibility ("default"))) JSSecurityCallbacks *
3639 JS_GetRuntimeSecurityCallbacks(JSRuntime *rt);
3640 extern __attribute__((visibility ("default"))) JSSecurityCallbacks *
3641 JS_SetContextSecurityCallbacks(JSContext *cx, JSSecurityCallbacks *callbacks);
3642 extern __attribute__((visibility ("default"))) JSSecurityCallbacks *
3643 JS_GetSecurityCallbacks(JSContext *cx);
3644 extern __attribute__((visibility ("default"))) JSFunction *
3645 JS_NewFunction(JSContext *cx, JSNative call, uintN nargs, uintN flags,
3646                JSObject *parent, const char *name);
3647 extern __attribute__((visibility ("default"))) JSFunction *
3648 JS_NewFunctionById(JSContext *cx, JSNative call, uintN nargs, uintN flags,
3649                    JSObject *parent, jsid id);
3650 extern __attribute__((visibility ("default"))) JSObject *
3651 JS_GetFunctionObject(JSFunction *fun);
3652 extern __attribute__((visibility ("default"))) JSString *
3653 JS_GetFunctionId(JSFunction *fun);
3654 extern __attribute__((visibility ("default"))) uintN
3655 JS_GetFunctionFlags(JSFunction *fun);
3656 extern __attribute__((visibility ("default"))) uint16
3657 JS_GetFunctionArity(JSFunction *fun);
3658 extern __attribute__((visibility ("default"))) JSBool
3659 JS_ObjectIsFunction(JSContext *cx, JSObject *obj);
3660 extern __attribute__((visibility ("default"))) JSBool
3661 JS_ObjectIsCallable(JSContext *cx, JSObject *obj);
3662 extern __attribute__((visibility ("default"))) JSBool
3663 JS_DefineFunctions(JSContext *cx, JSObject *obj, JSFunctionSpec *fs);
3664 extern __attribute__((visibility ("default"))) JSFunction *
3665 JS_DefineFunction(JSContext *cx, JSObject *obj, const char *name, JSNative call,
3666                   uintN nargs, uintN attrs);
3667 extern __attribute__((visibility ("default"))) JSFunction *
3668 JS_DefineUCFunction(JSContext *cx, JSObject *obj,
3669                     const jschar *name, size_t namelen, JSNative call,
3670                     uintN nargs, uintN attrs);
3671 extern __attribute__((visibility ("default"))) JSFunction *
3672 JS_DefineFunctionById(JSContext *cx, JSObject *obj, jsid id, JSNative call,
3673                       uintN nargs, uintN attrs);
3674 extern __attribute__((visibility ("default"))) JSObject *
3675 JS_CloneFunctionObject(JSContext *cx, JSObject *funobj, JSObject *parent);
3676 extern __attribute__((visibility ("default"))) JSBool
3677 JS_BufferIsCompilableUnit(JSContext *cx, JSObject *obj,
3678                           const char *bytes, size_t length);
3679 extern __attribute__((visibility ("default"))) JSObject *
3680 JS_CompileScript(JSContext *cx, JSObject *obj,
3681                  const char *bytes, size_t length,
3682                  const char *filename, uintN lineno);
3683 extern __attribute__((visibility ("default"))) JSObject *
3684 JS_CompileScriptForPrincipals(JSContext *cx, JSObject *obj,
3685                               JSPrincipals *principals,
3686                               const char *bytes, size_t length,
3687                               const char *filename, uintN lineno);
3688 extern __attribute__((visibility ("default"))) JSObject *
3689 JS_CompileScriptForPrincipalsVersion(JSContext *cx, JSObject *obj,
3690                                      JSPrincipals *principals,
3691                                      const char *bytes, size_t length,
3692                                      const char *filename, uintN lineno,
3693                                      JSVersion version);
3694 extern __attribute__((visibility ("default"))) JSObject *
3695 JS_CompileUCScript(JSContext *cx, JSObject *obj,
3696                    const jschar *chars, size_t length,
3697                    const char *filename, uintN lineno);
3698 extern __attribute__((visibility ("default"))) JSObject *
3699 JS_CompileUCScriptForPrincipals(JSContext *cx, JSObject *obj,
3700                                 JSPrincipals *principals,
3701                                 const jschar *chars, size_t length,
3702                                 const char *filename, uintN lineno);
3703 extern __attribute__((visibility ("default"))) JSObject *
3704 JS_CompileUCScriptForPrincipalsVersion(JSContext *cx, JSObject *obj,
3705                                        JSPrincipals *principals,
3706                                        const jschar *chars, size_t length,
3707                                        const char *filename, uintN lineno,
3708                                        JSVersion version);
3709 extern __attribute__((visibility ("default"))) JSObject *
3710 JS_CompileFile(JSContext *cx, JSObject *obj, const char *filename);
3711 extern __attribute__((visibility ("default"))) JSObject *
3712 JS_CompileFileHandle(JSContext *cx, JSObject *obj, const char *filename,
3713                      FILE *fh);
3714 extern __attribute__((visibility ("default"))) JSObject *
3715 JS_CompileFileHandleForPrincipals(JSContext *cx, JSObject *obj,
3716                                   const char *filename, FILE *fh,
3717                                   JSPrincipals *principals);
3718 extern __attribute__((visibility ("default"))) JSObject *
3719 JS_CompileFileHandleForPrincipalsVersion(JSContext *cx, JSObject *obj,
3720                                          const char *filename, FILE *fh,
3721                                          JSPrincipals *principals,
3722                                          JSVersion version);
3723 extern __attribute__((visibility ("default"))) JSFunction *
3724 JS_CompileFunction(JSContext *cx, JSObject *obj, const char *name,
3725                    uintN nargs, const char **argnames,
3726                    const char *bytes, size_t length,
3727                    const char *filename, uintN lineno);
3728 extern __attribute__((visibility ("default"))) JSFunction *
3729 JS_CompileFunctionForPrincipals(JSContext *cx, JSObject *obj,
3730                                 JSPrincipals *principals, const char *name,
3731                                 uintN nargs, const char **argnames,
3732                                 const char *bytes, size_t length,
3733                                 const char *filename, uintN lineno);
3734 extern __attribute__((visibility ("default"))) JSFunction *
3735 JS_CompileUCFunction(JSContext *cx, JSObject *obj, const char *name,
3736                      uintN nargs, const char **argnames,
3737                      const jschar *chars, size_t length,
3738                      const char *filename, uintN lineno);
3739 extern __attribute__((visibility ("default"))) JSFunction *
3740 JS_CompileUCFunctionForPrincipals(JSContext *cx, JSObject *obj,
3741                                   JSPrincipals *principals, const char *name,
3742                                   uintN nargs, const char **argnames,
3743                                   const jschar *chars, size_t length,
3744                                   const char *filename, uintN lineno);
3745 extern __attribute__((visibility ("default"))) JSFunction *
3746 JS_CompileUCFunctionForPrincipalsVersion(JSContext *cx, JSObject *obj,
3747                                          JSPrincipals *principals, const char *name,
3748                                          uintN nargs, const char **argnames,
3749                                          const jschar *chars, size_t length,
3750                                          const char *filename, uintN lineno,
3751                                          JSVersion version);
3752 extern __attribute__((visibility ("default"))) JSString *
3753 JS_DecompileScriptObject(JSContext *cx, JSObject *scriptObj, const char *name, uintN indent);
3754 extern __attribute__((visibility ("default"))) JSString *
3755 JS_DecompileFunction(JSContext *cx, JSFunction *fun, uintN indent);
3756 extern __attribute__((visibility ("default"))) JSString *
3757 JS_DecompileFunctionBody(JSContext *cx, JSFunction *fun, uintN indent);
3758 extern __attribute__((visibility ("default"))) JSBool
3759 JS_ExecuteScript(JSContext *cx, JSObject *obj, JSObject *scriptObj, jsval *rval);
3760 extern __attribute__((visibility ("default"))) JSBool
3761 JS_ExecuteScriptVersion(JSContext *cx, JSObject *obj, JSObject *scriptObj, jsval *rval,
3762                         JSVersion version);
3763 typedef enum JSExecPart { JSEXEC_PROLOG, JSEXEC_MAIN } JSExecPart;
3764 extern __attribute__((visibility ("default"))) JSBool
3765 JS_EvaluateScript(JSContext *cx, JSObject *obj,
3766                   const char *bytes, uintN length,
3767                   const char *filename, uintN lineno,
3768                   jsval *rval);
3769 extern __attribute__((visibility ("default"))) JSBool
3770 JS_EvaluateScriptForPrincipals(JSContext *cx, JSObject *obj,
3771                                JSPrincipals *principals,
3772                                const char *bytes, uintN length,
3773                                const char *filename, uintN lineno,
3774                                jsval *rval);
3775 extern __attribute__((visibility ("default"))) JSBool
3776 JS_EvaluateScriptForPrincipalsVersion(JSContext *cx, JSObject *obj,
3777                                       JSPrincipals *principals,
3778                                       const char *bytes, uintN length,
3779                                       const char *filename, uintN lineno,
3780                                       jsval *rval, JSVersion version);
3781 extern __attribute__((visibility ("default"))) JSBool
3782 JS_EvaluateUCScript(JSContext *cx, JSObject *obj,
3783                     const jschar *chars, uintN length,
3784                     const char *filename, uintN lineno,
3785                     jsval *rval);
3786 extern __attribute__((visibility ("default"))) JSBool
3787 JS_EvaluateUCScriptForPrincipalsVersion(JSContext *cx, JSObject *obj,
3788                                         JSPrincipals *principals,
3789                                         const jschar *chars, uintN length,
3790                                         const char *filename, uintN lineno,
3791                                         jsval *rval, JSVersion version);
3792 extern __attribute__((visibility ("default"))) JSBool
3793 JS_EvaluateUCScriptForPrincipals(JSContext *cx, JSObject *obj,
3794                                  JSPrincipals *principals,
3795                                  const jschar *chars, uintN length,
3796                                  const char *filename, uintN lineno,
3797                                  jsval *rval);
3798 extern __attribute__((visibility ("default"))) JSBool
3799 JS_CallFunction(JSContext *cx, JSObject *obj, JSFunction *fun, uintN argc,
3800                 jsval *argv, jsval *rval);
3801 extern __attribute__((visibility ("default"))) JSBool
3802 JS_CallFunctionName(JSContext *cx, JSObject *obj, const char *name, uintN argc,
3803                     jsval *argv, jsval *rval);
3804 extern __attribute__((visibility ("default"))) JSBool
3805 JS_CallFunctionValue(JSContext *cx, JSObject *obj, jsval fval, uintN argc,
3806                      jsval *argv, jsval *rval);
3807 }
3808 namespace JS {
3809 static inline
3810               bool
3811 Call(JSContext *cx, JSObject *thisObj, JSFunction *fun, uintN argc, jsval *argv, jsval *rval) {
3812     return !!JS_CallFunction(cx, thisObj, fun, argc, argv, rval);
3813 }
3814 static inline
3815               bool
3816 Call(JSContext *cx, JSObject *thisObj, const char *name, uintN argc, jsval *argv, jsval *rval) {
3817     return !!JS_CallFunctionName(cx, thisObj, name, argc, argv, rval);
3818 }
3819 static inline
3820               bool
3821 Call(JSContext *cx, JSObject *thisObj, jsval fun, uintN argc, jsval *argv, jsval *rval) {
3822     return !!JS_CallFunctionValue(cx, thisObj, fun, argc, argv, rval);
3823 }
3824 extern __attribute__((visibility ("default"))) bool
3825 Call(JSContext *cx, jsval thisv, jsval fun, uintN argc, jsval *argv, jsval *rval);
3826 static inline
3827               bool
3828 Call(JSContext *cx, jsval thisv, JSObject *funObj, uintN argc, jsval *argv, jsval *rval) {
3829     return Call(cx, thisv, OBJECT_TO_JSVAL(funObj), argc, argv, rval);
3830 }
3831 }
3832 extern "C" {
3833 extern __attribute__((visibility ("default"))) JSOperationCallback
3834 JS_SetOperationCallback(JSContext *cx, JSOperationCallback callback);
3835 extern __attribute__((visibility ("default"))) JSOperationCallback
3836 JS_GetOperationCallback(JSContext *cx);
3837 extern __attribute__((visibility ("default"))) void
3838 JS_TriggerOperationCallback(JSContext *cx);
3839 extern __attribute__((visibility ("default"))) void
3840 JS_TriggerAllOperationCallbacks(JSRuntime *rt);
3841 extern __attribute__((visibility ("default"))) JSBool
3842 JS_IsRunning(JSContext *cx);
3843 extern __attribute__((visibility ("default"))) JSStackFrame *
3844 JS_SaveFrameChain(JSContext *cx);
3845 extern __attribute__((visibility ("default"))) void
3846 JS_RestoreFrameChain(JSContext *cx, JSStackFrame *fp);
3847 extern __attribute__((visibility ("default"))) JSString *
3848 JS_NewStringCopyN(JSContext *cx, const char *s, size_t n);
3849 extern __attribute__((visibility ("default"))) JSString *
3850 JS_NewStringCopyZ(JSContext *cx, const char *s);
3851 extern __attribute__((visibility ("default"))) JSString *
3852 JS_InternJSString(JSContext *cx, JSString *str);
3853 extern __attribute__((visibility ("default"))) JSString *
3854 JS_InternString(JSContext *cx, const char *s);
3855 extern __attribute__((visibility ("default"))) JSString *
3856 JS_NewUCString(JSContext *cx, jschar *chars, size_t length);
3857 extern __attribute__((visibility ("default"))) JSString *
3858 JS_NewUCStringCopyN(JSContext *cx, const jschar *s, size_t n);
3859 extern __attribute__((visibility ("default"))) JSString *
3860 JS_NewUCStringCopyZ(JSContext *cx, const jschar *s);
3861 extern __attribute__((visibility ("default"))) JSString *
3862 JS_InternUCStringN(JSContext *cx, const jschar *s, size_t length);
3863 extern __attribute__((visibility ("default"))) JSString *
3864 JS_InternUCString(JSContext *cx, const jschar *s);
3865 extern __attribute__((visibility ("default"))) JSBool
3866 JS_CompareStrings(JSContext *cx, JSString *str1, JSString *str2, int32 *result);
3867 extern __attribute__((visibility ("default"))) JSBool
3868 JS_StringEqualsAscii(JSContext *cx, JSString *str, const char *asciiBytes, JSBool *match);
3869 extern __attribute__((visibility ("default"))) size_t
3870 JS_PutEscapedString(JSContext *cx, char *buffer, size_t size, JSString *str, char quote);
3871 extern __attribute__((visibility ("default"))) JSBool
3872 JS_FileEscapedString(FILE *fp, JSString *str, char quote);
3873 extern __attribute__((visibility ("default"))) size_t
3874 JS_GetStringLength(JSString *str);
3875 extern __attribute__((visibility ("default"))) const jschar *
3876 JS_GetStringCharsAndLength(JSContext *cx, JSString *str, size_t *length);
3877 extern __attribute__((visibility ("default"))) const jschar *
3878 JS_GetInternedStringChars(JSString *str);
3879 extern __attribute__((visibility ("default"))) const jschar *
3880 JS_GetInternedStringCharsAndLength(JSString *str, size_t *length);
3881 extern __attribute__((visibility ("default"))) const jschar *
3882 JS_GetStringCharsZ(JSContext *cx, JSString *str);
3883 extern __attribute__((visibility ("default"))) const jschar *
3884 JS_GetStringCharsZAndLength(JSContext *cx, JSString *str, size_t *length);
3885 extern __attribute__((visibility ("default"))) JSFlatString *
3886 JS_FlattenString(JSContext *cx, JSString *str);
3887 extern __attribute__((visibility ("default"))) const jschar *
3888 JS_GetFlatStringChars(JSFlatString *str);
3889 static __attribute__((always_inline)) inline JSFlatString *
3890 JSID_TO_FLAT_STRING(jsid id)
3891 {
3892     ((void) 0);
3893     return (JSFlatString *)((id));
3894 }
3895 static __attribute__((always_inline)) inline JSFlatString *
3896 JS_ASSERT_STRING_IS_FLAT(JSString *str)
3897 {
3898     ((void) 0);
3899     return (JSFlatString *)str;
3900 }
3901 static __attribute__((always_inline)) inline JSString *
3902 JS_FORGET_STRING_FLATNESS(JSFlatString *fstr)
3903 {
3904     return (JSString *)fstr;
3905 }
3906 extern __attribute__((visibility ("default"))) JSBool
3907 JS_FlatStringEqualsAscii(JSFlatString *str, const char *asciiBytes);
3908 extern __attribute__((visibility ("default"))) size_t
3909 JS_PutEscapedFlatString(char *buffer, size_t size, JSFlatString *str, char quote);
3910 extern __attribute__((visibility ("default"))) JSString *
3911 JS_NewGrowableString(JSContext *cx, jschar *chars, size_t length);
3912 extern __attribute__((visibility ("default"))) JSString *
3913 JS_NewDependentString(JSContext *cx, JSString *str, size_t start,
3914                       size_t length);
3915 extern __attribute__((visibility ("default"))) JSString *
3916 JS_ConcatStrings(JSContext *cx, JSString *left, JSString *right);
3917 extern __attribute__((visibility ("default"))) const jschar *
3918 JS_UndependString(JSContext *cx, JSString *str);
3919 extern __attribute__((visibility ("default"))) JSBool
3920 JS_MakeStringImmutable(JSContext *cx, JSString *str);
3921 __attribute__((visibility ("default"))) JSBool
3922 JS_CStringsAreUTF8(void);
3923 __attribute__((visibility ("default"))) void
3924 JS_SetCStringsAreUTF8(void);
3925 __attribute__((visibility ("default"))) JSBool
3926 JS_EncodeCharacters(JSContext *cx, const jschar *src, size_t srclen, char *dst,
3927                     size_t *dstlenp);
3928 __attribute__((visibility ("default"))) JSBool
3929 JS_DecodeBytes(JSContext *cx, const char *src, size_t srclen, jschar *dst,
3930                size_t *dstlenp);
3931 __attribute__((visibility ("default"))) char *
3932 JS_EncodeString(JSContext *cx, JSString *str);
3933 __attribute__((visibility ("default"))) size_t
3934 JS_GetStringEncodingLength(JSContext *cx, JSString *str);
3935 __attribute__((visibility ("default"))) size_t
3936 JS_EncodeStringToBuffer(JSString *str, char *buffer, size_t length);
3937 class JSAutoByteString {
3938   public:
3939     JSAutoByteString(JSContext *cx, JSString *str )
3940       : mBytes(JS_EncodeString(cx, str)) {
3941         ((void) 0);
3942         do { } while (0);
3943     }
3944     JSAutoByteString()
3945       : mBytes(__null) {
3946         do { } while (0);
3947     }
3948     ~JSAutoByteString() {
3949         js_free(mBytes);
3950     }
3951     void initBytes(char *bytes) {
3952         ((void) 0);
3953         mBytes = bytes;
3954     }
3955     char *encode(JSContext *cx, JSString *str) {
3956         ((void) 0);
3957         ((void) 0);
3958         mBytes = JS_EncodeString(cx, str);
3959         return mBytes;
3960     }
3961     void clear() {
3962         js_free(mBytes);
3963         mBytes = __null;
3964     }
3965     char *ptr() const {
3966         return mBytes;
3967     }
3968     bool operator!() const {
3969         return !mBytes;
3970     }
3971   private:
3972     char *mBytes;
3973
3974     JSAutoByteString(const JSAutoByteString &another);
3975     JSAutoByteString &operator=(const JSAutoByteString &another);
3976 };
3977 typedef JSBool (* JSONWriteCallback)(const jschar *buf, uint32 len, void *data);
3978 __attribute__((visibility ("default"))) JSBool
3979 JS_Stringify(JSContext *cx, jsval *vp, JSObject *replacer, jsval space,
3980              JSONWriteCallback callback, void *data);
3981 __attribute__((visibility ("default"))) JSBool
3982 JS_TryJSON(JSContext *cx, jsval *vp);
3983 __attribute__((visibility ("default"))) JSONParser *
3984 JS_BeginJSONParse(JSContext *cx, jsval *vp);
3985 __attribute__((visibility ("default"))) JSBool
3986 JS_ConsumeJSONText(JSContext *cx, JSONParser *jp, const jschar *data, uint32 len);
3987 __attribute__((visibility ("default"))) JSBool
3988 JS_FinishJSONParse(JSContext *cx, JSONParser *jp, jsval reviver);
3989 struct JSStructuredCloneCallbacks {
3990     ReadStructuredCloneOp read;
3991     WriteStructuredCloneOp write;
3992     StructuredCloneErrorOp reportError;
3993 };
3994 __attribute__((visibility ("default"))) JSBool
3995 JS_ReadStructuredClone(JSContext *cx, const uint64 *data, size_t nbytes,
3996                        uint32 version, jsval *vp,
3997                        const JSStructuredCloneCallbacks *optionalCallbacks,
3998                        void *closure);
3999 __attribute__((visibility ("default"))) JSBool
4000 JS_WriteStructuredClone(JSContext *cx, jsval v, uint64 **datap, size_t *nbytesp,
4001                         const JSStructuredCloneCallbacks *optionalCallbacks,
4002                         void *closure);
4003 __attribute__((visibility ("default"))) JSBool
4004 JS_StructuredClone(JSContext *cx, jsval v, jsval *vp,
4005                    const JSStructuredCloneCallbacks *optionalCallbacks,
4006                    void *closure);
4007 class JSAutoStructuredCloneBuffer {
4008     JSContext *cx_;
4009     uint64 *data_;
4010     size_t nbytes_;
4011     uint32 version_;
4012   public:
4013     JSAutoStructuredCloneBuffer()
4014         : cx_(__null), data_(__null), nbytes_(0), version_(1) {}
4015     ~JSAutoStructuredCloneBuffer() { clear(); }
4016     JSContext *cx() const { return cx_; }
4017     uint64 *data() const { return data_; }
4018     size_t nbytes() const { return nbytes_; }
4019     void clear(JSContext *cx=__null) {
4020         if (data_) {
4021             if (!cx)
4022                 cx = cx_;
4023             ((void) 0);
4024             JS_free(cx, data_);
4025             cx_ = __null;
4026             data_ = __null;
4027             nbytes_ = 0;
4028             version_ = 0;
4029         }
4030     }
4031     void adopt(JSContext *cx, uint64 *data, size_t nbytes,
4032                uint32 version=1) {
4033         clear(cx);
4034         cx_ = cx;
4035         data_ = data;
4036         nbytes_ = nbytes;
4037         version_ = version;
4038     }
4039     void steal(uint64 **datap, size_t *nbytesp, JSContext **cxp=__null,
4040                uint32 *versionp=__null) {
4041         *datap = data_;
4042         *nbytesp = nbytes_;
4043         if (cxp)
4044             *cxp = cx_;
4045         if (versionp)
4046             *versionp = version_;
4047         cx_ = __null;
4048         data_ = __null;
4049         nbytes_ = 0;
4050         version_ = 0;
4051     }
4052     bool read(jsval *vp, JSContext *cx=__null,
4053               const JSStructuredCloneCallbacks *optionalCallbacks=__null,
4054               void *closure=__null) const {
4055         if (!cx)
4056             cx = cx_;
4057         ((void) 0);
4058         ((void) 0);
4059         return !!JS_ReadStructuredClone(cx, data_, nbytes_, version_, vp,
4060                                         optionalCallbacks, closure);
4061     }
4062     bool write(JSContext *cx, jsval v,
4063                const JSStructuredCloneCallbacks *optionalCallbacks=__null,
4064                void *closure=__null) {
4065         clear(cx);
4066         cx_ = cx;
4067         bool ok = !!JS_WriteStructuredClone(cx, v, &data_, &nbytes_,
4068                                             optionalCallbacks, closure);
4069         if (!ok) {
4070             data_ = __null;
4071             nbytes_ = 0;
4072             version_ = 1;
4073         }
4074         return ok;
4075     }
4076     void swap(JSAutoStructuredCloneBuffer &other) {
4077         JSContext *cx = other.cx_;
4078         uint64 *data = other.data_;
4079         size_t nbytes = other.nbytes_;
4080         uint32 version = other.version_;
4081         other.cx_ = this->cx_;
4082         other.data_ = this->data_;
4083         other.nbytes_ = this->nbytes_;
4084         other.version_ = this->version_;
4085         this->cx_ = cx;
4086         this->data_ = data;
4087         this->nbytes_ = nbytes;
4088         this->version_ = version;
4089     }
4090   private:
4091     JSAutoStructuredCloneBuffer(const JSAutoStructuredCloneBuffer &other);
4092     JSAutoStructuredCloneBuffer &operator=(const JSAutoStructuredCloneBuffer &other);
4093 };
4094 __attribute__((visibility ("default"))) void
4095 JS_SetStructuredCloneCallbacks(JSRuntime *rt, const JSStructuredCloneCallbacks *callbacks);
4096 __attribute__((visibility ("default"))) JSBool
4097 JS_ReadUint32Pair(JSStructuredCloneReader *r, uint32 *p1, uint32 *p2);
4098 __attribute__((visibility ("default"))) JSBool
4099 JS_ReadBytes(JSStructuredCloneReader *r, void *p, size_t len);
4100 __attribute__((visibility ("default"))) JSBool
4101 JS_WriteUint32Pair(JSStructuredCloneWriter *w, uint32 tag, uint32 data);
4102 __attribute__((visibility ("default"))) JSBool
4103 JS_WriteBytes(JSStructuredCloneWriter *w, const void *p, size_t len);
4104 struct JSLocaleCallbacks {
4105     JSLocaleToUpperCase localeToUpperCase;
4106     JSLocaleToLowerCase localeToLowerCase;
4107     JSLocaleCompare localeCompare;
4108     JSLocaleToUnicode localeToUnicode;
4109     JSErrorCallback localeGetErrorMessage;
4110 };
4111 extern __attribute__((visibility ("default"))) void
4112 JS_SetLocaleCallbacks(JSContext *cx, JSLocaleCallbacks *callbacks);
4113 extern __attribute__((visibility ("default"))) JSLocaleCallbacks *
4114 JS_GetLocaleCallbacks(JSContext *cx);
4115 extern __attribute__((visibility ("default"))) void
4116 JS_ReportError(JSContext *cx, const char *format, ...);
4117 extern __attribute__((visibility ("default"))) void
4118 JS_ReportErrorNumber(JSContext *cx, JSErrorCallback errorCallback,
4119                      void *userRef, const uintN errorNumber, ...);
4120 extern __attribute__((visibility ("default"))) void
4121 JS_ReportErrorNumberUC(JSContext *cx, JSErrorCallback errorCallback,
4122                      void *userRef, const uintN errorNumber, ...);
4123 extern __attribute__((visibility ("default"))) JSBool
4124 JS_ReportWarning(JSContext *cx, const char *format, ...);
4125 extern __attribute__((visibility ("default"))) JSBool
4126 JS_ReportErrorFlagsAndNumber(JSContext *cx, uintN flags,
4127                              JSErrorCallback errorCallback, void *userRef,
4128                              const uintN errorNumber, ...);
4129 extern __attribute__((visibility ("default"))) JSBool
4130 JS_ReportErrorFlagsAndNumberUC(JSContext *cx, uintN flags,
4131                                JSErrorCallback errorCallback, void *userRef,
4132                                const uintN errorNumber, ...);
4133 extern __attribute__((visibility ("default"))) void
4134 JS_ReportOutOfMemory(JSContext *cx);
4135 extern __attribute__((visibility ("default"))) void
4136 JS_ReportAllocationOverflow(JSContext *cx);
4137 struct JSErrorReport {
4138     const char *filename;
4139     uintN lineno;
4140     const char *linebuf;
4141     const char *tokenptr;
4142     const jschar *uclinebuf;
4143     const jschar *uctokenptr;
4144     uintN flags;
4145     uintN errorNumber;
4146     const jschar *ucmessage;
4147     const jschar **messageArgs;
4148 };
4149 extern __attribute__((visibility ("default"))) JSErrorReporter
4150 JS_SetErrorReporter(JSContext *cx, JSErrorReporter er);
4151 extern __attribute__((visibility ("default"))) JSObject *
4152 JS_NewDateObject(JSContext *cx, int year, int mon, int mday, int hour, int min, int sec);
4153 extern __attribute__((visibility ("default"))) JSObject *
4154 JS_NewDateObjectMsec(JSContext *cx, jsdouble msec);
4155 extern __attribute__((visibility ("default"))) JSBool
4156 JS_ObjectIsDate(JSContext *cx, JSObject *obj);
4157 extern __attribute__((visibility ("default"))) JSObject *
4158 JS_NewRegExpObject(JSContext *cx, JSObject *obj, char *bytes, size_t length, uintN flags);
4159 extern __attribute__((visibility ("default"))) JSObject *
4160 JS_NewUCRegExpObject(JSContext *cx, JSObject *obj, jschar *chars, size_t length, uintN flags);
4161 extern __attribute__((visibility ("default"))) void
4162 JS_SetRegExpInput(JSContext *cx, JSObject *obj, JSString *input, JSBool multiline);
4163 extern __attribute__((visibility ("default"))) void
4164 JS_ClearRegExpStatics(JSContext *cx, JSObject *obj);
4165 extern __attribute__((visibility ("default"))) JSBool
4166 JS_ExecuteRegExp(JSContext *cx, JSObject *obj, JSObject *reobj, jschar *chars, size_t length,
4167                  size_t *indexp, JSBool test, jsval *rval);
4168 extern __attribute__((visibility ("default"))) JSObject *
4169 JS_NewRegExpObjectNoStatics(JSContext *cx, char *bytes, size_t length, uintN flags);
4170 extern __attribute__((visibility ("default"))) JSObject *
4171 JS_NewUCRegExpObjectNoStatics(JSContext *cx, jschar *chars, size_t length, uintN flags);
4172 extern __attribute__((visibility ("default"))) JSBool
4173 JS_ExecuteRegExpNoStatics(JSContext *cx, JSObject *reobj, jschar *chars, size_t length,
4174                           size_t *indexp, JSBool test, jsval *rval);
4175 extern __attribute__((visibility ("default"))) JSBool
4176 JS_IsExceptionPending(JSContext *cx);
4177 extern __attribute__((visibility ("default"))) JSBool
4178 JS_GetPendingException(JSContext *cx, jsval *vp);
4179 extern __attribute__((visibility ("default"))) void
4180 JS_SetPendingException(JSContext *cx, jsval v);
4181 extern __attribute__((visibility ("default"))) void
4182 JS_ClearPendingException(JSContext *cx);
4183 extern __attribute__((visibility ("default"))) JSBool
4184 JS_ReportPendingException(JSContext *cx);
4185 extern __attribute__((visibility ("default"))) JSExceptionState *
4186 JS_SaveExceptionState(JSContext *cx);
4187 extern __attribute__((visibility ("default"))) void
4188 JS_RestoreExceptionState(JSContext *cx, JSExceptionState *state);
4189 extern __attribute__((visibility ("default"))) void
4190 JS_DropExceptionState(JSContext *cx, JSExceptionState *state);
4191 extern __attribute__((visibility ("default"))) JSErrorReport *
4192 JS_ErrorFromException(JSContext *cx, jsval v);
4193 extern __attribute__((visibility ("default"))) JSBool
4194 JS_ThrowReportedError(JSContext *cx, const char *message,
4195                       JSErrorReport *reportp);
4196 extern __attribute__((visibility ("default"))) JSBool
4197 JS_ThrowStopIteration(JSContext *cx);
4198 extern __attribute__((visibility ("default"))) jsword
4199 JS_GetContextThread(JSContext *cx);
4200 extern __attribute__((visibility ("default"))) jsword
4201 JS_SetContextThread(JSContext *cx);
4202 extern __attribute__((visibility ("default"))) jsword
4203 JS_ClearContextThread(JSContext *cx);
4204 static __attribute__((always_inline)) inline JSBool
4205 JS_IsConstructing(JSContext *cx, const jsval *vp)
4206 {
4207     jsval_layout l;
4208     l.asBits = (vp[1]);
4209     return JSVAL_IS_MAGIC_IMPL(l);
4210 }
4211 static __attribute__((always_inline)) inline JSBool
4212 JS_IsConstructing_PossiblyWithGivenThisObject(JSContext *cx, const jsval *vp,
4213                                               JSObject **maybeThis)
4214 {
4215     jsval_layout l;
4216     JSBool isCtor;
4217     l.asBits = (vp[1]);
4218     isCtor = JSVAL_IS_MAGIC_IMPL(l);
4219     if (isCtor)
4220         *maybeThis = MAGIC_JSVAL_TO_OBJECT_OR_NULL_IMPL(l);
4221     return isCtor;
4222 }
4223 extern __attribute__((visibility ("default"))) JSObject *
4224 JS_NewObjectForConstructor(JSContext *cx, const jsval *vp);
4225 }
4226 extern "C" {
4227 static const uintN JS_GCTHING_ALIGN = 8;
4228 static const uintN JS_GCTHING_ZEROBITS = 3;
4229 typedef uint8 jsbytecode;
4230 typedef uint8 jssrcnote;
4231 typedef uint32 jsatomid;
4232 typedef struct JSArgumentFormatMap JSArgumentFormatMap;
4233 typedef struct JSCodeGenerator JSCodeGenerator;
4234 typedef struct JSGCThing JSGCThing;
4235 typedef struct JSGenerator JSGenerator;
4236 typedef struct JSNativeEnumerator JSNativeEnumerator;
4237 typedef struct JSFunctionBox JSFunctionBox;
4238 typedef struct JSObjectBox JSObjectBox;
4239 typedef struct JSParseNode JSParseNode;
4240 typedef struct JSProperty JSProperty;
4241 typedef struct JSScript JSScript;
4242 typedef struct JSSharpObjectMap JSSharpObjectMap;
4243 typedef struct JSThread JSThread;
4244 typedef struct JSThreadData JSThreadData;
4245 typedef struct JSTreeContext JSTreeContext;
4246 typedef struct JSTryNote JSTryNote;
4247 typedef struct JSLinearString JSLinearString;
4248 typedef struct JSAtom JSAtom;
4249 typedef struct JSAtomList JSAtomList;
4250 typedef struct JSAtomListElement JSAtomListElement;
4251 typedef struct JSAtomMap JSAtomMap;
4252 typedef struct JSAtomState JSAtomState;
4253 typedef struct JSCodeSpec JSCodeSpec;
4254 typedef struct JSPrinter JSPrinter;
4255 typedef struct JSRegExpStatics JSRegExpStatics;
4256 typedef struct JSStackHeader JSStackHeader;
4257 typedef struct JSSubString JSSubString;
4258 typedef struct JSNativeTraceInfo JSNativeTraceInfo;
4259 typedef struct JSSpecializedNative JSSpecializedNative;
4260 typedef struct JSXML JSXML;
4261 typedef struct JSXMLArray JSXMLArray;
4262 typedef struct JSXMLArrayCursor JSXMLArrayCursor;
4263 extern "C++" {
4264 namespace js {
4265 struct ArgumentsData;
4266 class RegExp;
4267 class RegExpStatics;
4268 class AutoStringRooter;
4269 class ExecuteArgsGuard;
4270 class InvokeFrameGuard;
4271 class InvokeArgsGuard;
4272 class InvokeSessionGuard;
4273 class TraceRecorder;
4274 struct TraceMonitor;
4275 class StackSpace;
4276 class StackSegment;
4277 class FrameRegsIter;
4278 class StringBuffer;
4279 struct Compiler;
4280 struct Parser;
4281 class TokenStream;
4282 struct Token;
4283 struct TokenPos;
4284 struct TokenPtr;
4285 class ContextAllocPolicy;
4286 class SystemAllocPolicy;
4287 template <class T,
4288           size_t MinInlineCapacity = 0,
4289           class AllocPolicy = ContextAllocPolicy>
4290 class Vector;
4291 template <class>
4292 struct DefaultHasher;
4293 template <class Key,
4294           class Value,
4295           class HashPolicy = DefaultHasher<Key>,
4296           class AllocPolicy = ContextAllocPolicy>
4297 class HashMap;
4298 template <class T,
4299           class HashPolicy = DefaultHasher<T>,
4300           class AllocPolicy = ContextAllocPolicy>
4301 class HashSet;
4302 class PropertyCache;
4303 struct PropertyCacheEntry;
4304 struct Shape;
4305 struct EmptyShape;
4306 }
4307 }
4308 typedef enum JSTrapStatus {
4309     JSTRAP_ERROR,
4310     JSTRAP_CONTINUE,
4311     JSTRAP_RETURN,
4312     JSTRAP_THROW,
4313     JSTRAP_LIMIT
4314 } JSTrapStatus;
4315 typedef JSTrapStatus
4316 (* JSTrapHandler)(JSContext *cx, JSScript *script, jsbytecode *pc, jsval *rval,
4317                   jsval closure);
4318 typedef JSTrapStatus
4319 (* JSInterruptHook)(JSContext *cx, JSScript *script, jsbytecode *pc, jsval *rval,
4320                     void *closure);
4321 typedef JSTrapStatus
4322 (* JSDebuggerHandler)(JSContext *cx, JSScript *script, jsbytecode *pc, jsval *rval,
4323                       void *closure);
4324 typedef JSTrapStatus
4325 (* JSThrowHook)(JSContext *cx, JSScript *script, jsbytecode *pc, jsval *rval,
4326                 void *closure);
4327 typedef JSBool
4328 (* JSWatchPointHandler)(JSContext *cx, JSObject *obj, jsid id, jsval old,
4329                         jsval *newp, void *closure);
4330 typedef void
4331 (* JSNewScriptHook)(JSContext *cx,
4332                     const char *filename,
4333                     uintN lineno,
4334                     JSScript *script,
4335                     JSFunction *fun,
4336                     void *callerdata);
4337 typedef void
4338 (* JSDestroyScriptHook)(JSContext *cx,
4339                         JSScript *script,
4340                         void *callerdata);
4341 typedef void
4342 (* JSSourceHandler)(const char *filename, uintN lineno, jschar *str,
4343                     size_t length, void **listenerTSData, void *closure);
4344 typedef void *
4345 (* JSInterpreterHook)(JSContext *cx, JSStackFrame *fp, JSBool before,
4346                       JSBool *ok, void *closure);
4347 typedef JSBool
4348 (* JSDebugErrorHook)(JSContext *cx, const char *message, JSErrorReport *report,
4349                      void *closure);
4350 typedef struct JSDebugHooks {
4351     JSInterruptHook interruptHook;
4352     void *interruptHookData;
4353     JSNewScriptHook newScriptHook;
4354     void *newScriptHookData;
4355     JSDestroyScriptHook destroyScriptHook;
4356     void *destroyScriptHookData;
4357     JSDebuggerHandler debuggerHandler;
4358     void *debuggerHandlerData;
4359     JSSourceHandler sourceHandler;
4360     void *sourceHandlerData;
4361     JSInterpreterHook executeHook;
4362     void *executeHookData;
4363     JSInterpreterHook callHook;
4364     void *callHookData;
4365     JSThrowHook throwHook;
4366     void *throwHookData;
4367     JSDebugErrorHook debugErrorHook;
4368     void *debugErrorHookData;
4369 } JSDebugHooks;
4370 typedef JSBool
4371 (* JSLookupPropOp)(JSContext *cx, JSObject *obj, jsid id, JSObject **objp,
4372                    JSProperty **propp);
4373 typedef JSBool
4374 (* JSAttributesOp)(JSContext *cx, JSObject *obj, jsid id, uintN *attrsp);
4375 typedef JSObject *
4376 (* JSObjectOp)(JSContext *cx, JSObject *obj);
4377 typedef JSObject *
4378 (* JSIteratorOp)(JSContext *cx, JSObject *obj, JSBool keysonly);
4379 extern JSBool js_CStringsAreUTF8;
4380 extern __attribute__((visibility ("default"))) JSObject *
4381 js_ObjectToOuterObject(JSContext *cx, JSObject *obj);
4382 }
4383 extern "C" {
4384 typedef uint32 JSHashNumber;
4385 typedef struct JSHashEntry JSHashEntry;
4386 typedef struct JSHashTable JSHashTable;
4387 typedef JSHashNumber (* JSHashFunction)(const void *key);
4388 typedef intN (* JSHashComparator)(const void *v1, const void *v2);
4389 typedef intN (* JSHashEnumerator)(JSHashEntry *he, intN i, void *arg);
4390 typedef struct JSHashAllocOps {
4391     void * (*allocTable)(void *pool, size_t size);
4392     void (*freeTable)(void *pool, void *item, size_t size);
4393     JSHashEntry * (*allocEntry)(void *pool, const void *key);
4394     void (*freeEntry)(void *pool, JSHashEntry *he, uintN flag);
4395 } JSHashAllocOps;
4396 struct JSHashEntry {
4397     JSHashEntry *next;
4398     JSHashNumber keyHash;
4399     const void *key;
4400     void *value;
4401 };
4402 struct JSHashTable {
4403     JSHashEntry **buckets;
4404     uint32 nentries;
4405     uint32 shift;
4406     JSHashFunction keyHash;
4407     JSHashComparator keyCompare;
4408     JSHashComparator valueCompare;
4409     JSHashAllocOps *allocOps;
4410     void *allocPriv;
4411 };
4412 extern __attribute__((visibility ("default"))) JSHashTable *
4413 JS_NewHashTable(uint32 n, JSHashFunction keyHash,
4414                 JSHashComparator keyCompare, JSHashComparator valueCompare,
4415                 JSHashAllocOps *allocOps, void *allocPriv);
4416 extern __attribute__((visibility ("default"))) void
4417 JS_HashTableDestroy(JSHashTable *ht);
4418 extern __attribute__((visibility ("default"))) JSHashEntry **
4419 JS_HashTableRawLookup(JSHashTable *ht, JSHashNumber keyHash, const void *key);
4420 extern __attribute__((visibility ("default"))) JSHashEntry *
4421 JS_HashTableRawAdd(JSHashTable *ht, JSHashEntry **&hep, JSHashNumber keyHash,
4422                    const void *key, void *value);
4423 extern __attribute__((visibility ("default"))) void
4424 JS_HashTableRawRemove(JSHashTable *ht, JSHashEntry **hep, JSHashEntry *he);
4425 extern __attribute__((visibility ("default"))) JSHashEntry *
4426 JS_HashTableAdd(JSHashTable *ht, const void *key, void *value);
4427 extern __attribute__((visibility ("default"))) JSBool
4428 JS_HashTableRemove(JSHashTable *ht, const void *key);
4429 extern __attribute__((visibility ("default"))) intN
4430 JS_HashTableEnumerateEntries(JSHashTable *ht, JSHashEnumerator f, void *arg);
4431 extern __attribute__((visibility ("default"))) void *
4432 JS_HashTableLookup(JSHashTable *ht, const void *key);
4433 extern __attribute__((visibility ("default"))) intN
4434 JS_HashTableDump(JSHashTable *ht, JSHashEnumerator dump, FILE *fp);
4435 extern __attribute__((visibility ("default"))) JSHashNumber
4436 JS_HashString(const void *key);
4437 extern __attribute__((visibility ("default"))) intN
4438 JS_CompareValues(const void *v1, const void *v2);
4439 }
4440
4441 namespace std
4442 {
4443   typedef long unsigned int size_t;
4444   typedef long int ptrdiff_t;
4445 }
4446 namespace std
4447 {
4448   inline namespace __gnu_cxx_ldbl128 { }
4449 }
4450
4451
4452 extern "C++" {
4453 namespace std
4454 {
4455   class exception
4456   {
4457   public:
4458     exception() throw() { }
4459     virtual ~exception() throw();
4460     virtual const char* what() const throw();
4461   };
4462   class bad_exception : public exception
4463   {
4464   public:
4465     bad_exception() throw() { }
4466     virtual ~bad_exception() throw();
4467     virtual const char* what() const throw();
4468   };
4469   typedef void (*terminate_handler) ();
4470   typedef void (*unexpected_handler) ();
4471   terminate_handler set_terminate(terminate_handler) throw();
4472   void terminate() throw() __attribute__ ((__noreturn__));
4473   unexpected_handler set_unexpected(unexpected_handler) throw();
4474   void unexpected() __attribute__ ((__noreturn__));
4475   bool uncaught_exception() throw() __attribute__ ((__pure__));
4476 }
4477 namespace __gnu_cxx
4478 {
4479   void __verbose_terminate_handler();
4480 }
4481 }
4482 extern "C++" {
4483 namespace std
4484 {
4485   class bad_alloc : public exception
4486   {
4487   public:
4488     bad_alloc() throw() { }
4489     virtual ~bad_alloc() throw();
4490     virtual const char* what() const throw();
4491   };
4492   class bad_array_length : public bad_alloc
4493   {
4494   public:
4495     bad_array_length() throw() { };
4496     virtual ~bad_array_length() throw();
4497     virtual const char* what() const throw();
4498   };
4499   struct nothrow_t { };
4500   extern const nothrow_t nothrow;
4501   typedef void (*new_handler)();
4502   new_handler set_new_handler(new_handler) throw();
4503 }
4504 void* operator new(std::size_t) throw(std::bad_alloc)
4505   __attribute__((__externally_visible__));
4506 void* operator new[](std::size_t) throw(std::bad_alloc)
4507   __attribute__((__externally_visible__));
4508 void operator delete(void*) throw()
4509   __attribute__((__externally_visible__));
4510 void operator delete[](void*) throw()
4511   __attribute__((__externally_visible__));
4512 void* operator new(std::size_t, const std::nothrow_t&) throw()
4513   __attribute__((__externally_visible__));
4514 void* operator new[](std::size_t, const std::nothrow_t&) throw()
4515   __attribute__((__externally_visible__));
4516 void operator delete(void*, const std::nothrow_t&) throw()
4517   __attribute__((__externally_visible__));
4518 void operator delete[](void*, const std::nothrow_t&) throw()
4519   __attribute__((__externally_visible__));
4520 inline void* operator new(std::size_t, void* __p) throw()
4521 { return __p; }
4522 inline void* operator new[](std::size_t, void* __p) throw()
4523 { return __p; }
4524 inline void operator delete (void*, void*) throw() { }
4525 inline void operator delete[](void*, void*) throw() { }
4526 }
4527 namespace js {
4528 namespace tl {
4529 template <size_t i, size_t j> struct Min {
4530     static const size_t result = i < j ? i : j;
4531 };
4532 template <size_t i, size_t j> struct Max {
4533     static const size_t result = i > j ? i : j;
4534 };
4535 template <size_t i, size_t min, size_t max> struct Clamp {
4536     static const size_t result = i < min ? min : (i > max ? max : i);
4537 };
4538 template <size_t x, size_t y> struct Pow {
4539     static const size_t result = x * Pow<x, y - 1>::result;
4540 };
4541 template <size_t x> struct Pow<x,0> {
4542     static const size_t result = 1;
4543 };
4544 template <size_t i> struct FloorLog2 {
4545     static const size_t result = 1 + FloorLog2<i / 2>::result;
4546 };
4547 template <> struct FloorLog2<0> { };
4548 template <> struct FloorLog2<1> { static const size_t result = 0; };
4549 template <size_t i> struct CeilingLog2 {
4550     static const size_t result = FloorLog2<2 * i - 1>::result;
4551 };
4552 template <size_t i> struct RoundUpPow2 {
4553     static const size_t result = 1u << CeilingLog2<i>::result;
4554 };
4555 template <> struct RoundUpPow2<0> {
4556     static const size_t result = 1;
4557 };
4558 template <class T> struct BitSize {
4559     static const size_t result = sizeof(T) * 8;
4560 };
4561 template <bool> struct StaticAssert {};
4562 template <> struct StaticAssert<true> { typedef int result; };
4563 template <class T, class U> struct IsSameType {
4564     static const bool result = false;
4565 };
4566 template <class T> struct IsSameType<T,T> {
4567     static const bool result = true;
4568 };
4569 template <size_t N> struct NBitMask {
4570     typedef typename StaticAssert<N < BitSize<size_t>::result>::result _;
4571     static const size_t result = (size_t(1) << N) - 1;
4572 };
4573 template <> struct NBitMask<BitSize<size_t>::result> {
4574     static const size_t result = size_t(-1);
4575 };
4576 template <size_t N> struct MulOverflowMask {
4577     static const size_t result =
4578         ~NBitMask<BitSize<size_t>::result - CeilingLog2<N>::result>::result;
4579 };
4580 template <> struct MulOverflowMask<0> { };
4581 template <> struct MulOverflowMask<1> { static const size_t result = 0; };
4582 template <class T> struct UnsafeRangeSizeMask {
4583     static const size_t result = MulOverflowMask<2 * sizeof(T)>::result;
4584 };
4585 template <class T> struct StripConst { typedef T result; };
4586 template <class T> struct StripConst<const T> { typedef T result; };
4587 template <class T> struct IsPodType { static const bool result = false; };
4588 template <> struct IsPodType<char> { static const bool result = true; };
4589 template <> struct IsPodType<signed char> { static const bool result = true; };
4590 template <> struct IsPodType<unsigned char> { static const bool result = true; };
4591 template <> struct IsPodType<short> { static const bool result = true; };
4592 template <> struct IsPodType<unsigned short> { static const bool result = true; };
4593 template <> struct IsPodType<int> { static const bool result = true; };
4594 template <> struct IsPodType<unsigned int> { static const bool result = true; };
4595 template <> struct IsPodType<long> { static const bool result = true; };
4596 template <> struct IsPodType<unsigned long> { static const bool result = true; };
4597 template <> struct IsPodType<float> { static const bool result = true; };
4598 template <> struct IsPodType<double> { static const bool result = true; };
4599 template <class T, size_t N> inline T *ArraySize(T (&)[N]) { return N; }
4600 template <class T, size_t N> inline T *ArrayEnd(T (&arr)[N]) { return arr + N; }
4601 }
4602 class ReentrancyGuard
4603 {
4604     ReentrancyGuard(const ReentrancyGuard &);
4605     void operator=(const ReentrancyGuard &);
4606   public:
4607     template <class T>
4608     ReentrancyGuard(T & )
4609     {
4610     }
4611     ~ReentrancyGuard()
4612     {
4613     }
4614 };
4615 __attribute__((always_inline)) inline size_t
4616 RoundUpPow2(size_t x)
4617 {
4618     size_t log2 = ((x) <= 1 ? 0 : 1 + (((void) 0), ((size_t)((8 * 8) - 1 - __builtin_clzll((x) - 1)))));
4619     ((void) 0);
4620     size_t result = size_t(1) << log2;
4621     return result;
4622 }
4623 template <class T>
4624 __attribute__((always_inline)) inline size_t
4625 PointerRangeSize(T *begin, T *end)
4626 {
4627     return (size_t(end) - size_t(begin)) / sizeof(T);
4628 }
4629 class SystemAllocPolicy
4630 {
4631   public:
4632     void *malloc(size_t bytes) { return js_malloc(bytes); }
4633     void *realloc(void *p, size_t bytes) { return js_realloc(p, bytes); }
4634     void free(void *p) { js_free(p); }
4635     void reportAllocOverflow() const {}
4636 };
4637 template <size_t nbytes>
4638 struct AlignedStorage
4639 {
4640     union U {
4641         char bytes[nbytes];
4642         uint64 _;
4643     } u;
4644     const void *addr() const { return u.bytes; }
4645     void *addr() { return u.bytes; }
4646 };
4647 template <class T>
4648 struct AlignedStorage2
4649 {
4650     union U {
4651         char bytes[sizeof(T)];
4652         uint64 _;
4653     } u;
4654     const T *addr() const { return (const T *)u.bytes; }
4655     T *addr() { return (T *)u.bytes; }
4656 };
4657 template <class T>
4658 class LazilyConstructed
4659 {
4660     AlignedStorage2<T> storage;
4661     bool constructed;
4662     T &asT() { return *storage.addr(); }
4663   public:
4664     LazilyConstructed() { constructed = false; }
4665     ~LazilyConstructed() { if (constructed) asT().~T(); }
4666     bool empty() const { return !constructed; }
4667     void construct() {
4668         ((void) 0);
4669         new(storage.addr()) T();
4670         constructed = true;
4671     }
4672     template <class T1>
4673     void construct(const T1 &t1) {
4674         ((void) 0);
4675         new(storage.addr()) T(t1);
4676         constructed = true;
4677     }
4678     template <class T1, class T2>
4679     void construct(const T1 &t1, const T2 &t2) {
4680         ((void) 0);
4681         new(storage.addr()) T(t1, t2);
4682         constructed = true;
4683     }
4684     template <class T1, class T2, class T3>
4685     void construct(const T1 &t1, const T2 &t2, const T3 &t3) {
4686         ((void) 0);
4687         new(storage.addr()) T(t1, t2, t3);
4688         constructed = true;
4689     }
4690     template <class T1, class T2, class T3, class T4>
4691     void construct(const T1 &t1, const T2 &t2, const T3 &t3, const T4 &t4) {
4692         ((void) 0);
4693         new(storage.addr()) T(t1, t2, t3, t4);
4694         constructed = true;
4695     }
4696     T *addr() {
4697         ((void) 0);
4698         return &asT();
4699     }
4700     T &ref() {
4701         ((void) 0);
4702         return asT();
4703     }
4704     void destroy() {
4705         ref().~T();
4706         constructed = false;
4707     }
4708 };
4709 template <class T>
4710 class Conditionally {
4711     LazilyConstructed<T> t;
4712   public:
4713     Conditionally(bool b) { if (b) t.construct(); }
4714     template <class T1>
4715     Conditionally(bool b, const T1 &t1) { if (b) t.construct(t1); }
4716     template <class T1, class T2>
4717     Conditionally(bool b, const T1 &t1, const T2 &t2) { if (b) t.construct(t1, t2); }
4718 };
4719 template <class T>
4720 class AlignedPtrAndFlag
4721 {
4722     uintptr_t bits;
4723   public:
4724     AlignedPtrAndFlag(T *t, bool flag) {
4725         ((void) 0);
4726         bits = uintptr_t(t) | uintptr_t(flag);
4727     }
4728     T *ptr() const {
4729         return (T *)(bits & ~uintptr_t(1));
4730     }
4731     bool flag() const {
4732         return (bits & 1) != 0;
4733     }
4734     void setPtr(T *t) {
4735         ((void) 0);
4736         bits = uintptr_t(t) | uintptr_t(flag());
4737     }
4738     void setFlag() {
4739         bits |= 1;
4740     }
4741     void unsetFlag() {
4742         bits &= ~uintptr_t(1);
4743     }
4744     void set(T *t, bool flag) {
4745         ((void) 0);
4746         bits = uintptr_t(t) | flag;
4747     }
4748 };
4749 template <class T>
4750 static inline void
4751 Reverse(T *beg, T *end)
4752 {
4753     while (beg != end) {
4754         if (--end == beg)
4755             return;
4756         T tmp = *beg;
4757         *beg = *end;
4758         *end = tmp;
4759         ++beg;
4760     }
4761 }
4762 template <class T>
4763 static inline T *
4764 Find(T *beg, T *end, const T &v)
4765 {
4766     for (T *p = beg; p != end; ++p) {
4767         if (*p == v)
4768             return p;
4769     }
4770     return end;
4771 }
4772 template <class Container>
4773 static inline typename Container::ElementType *
4774 Find(Container &c, const typename Container::ElementType &v)
4775 {
4776     return Find(c.begin(), c.end(), v);
4777 }
4778 template <typename InputIterT, typename CallableT>
4779 void
4780 ForEach(InputIterT begin, InputIterT end, CallableT f)
4781 {
4782     for (; begin != end; ++begin)
4783         f(*begin);
4784 }
4785 template <class T>
4786 static inline T
4787 Min(T t1, T t2)
4788 {
4789     return t1 < t2 ? t1 : t2;
4790 }
4791 template <class T>
4792 static inline T
4793 Max(T t1, T t2)
4794 {
4795     return t1 > t2 ? t1 : t2;
4796 }
4797 template <class T>
4798 static T&
4799 InitConst(const T &t)
4800 {
4801     return const_cast<T &>(t);
4802 }
4803 }
4804 namespace js {
4805 typedef uint32 HashNumber;
4806 namespace detail {
4807 template <class T, class HashPolicy, class AllocPolicy>
4808 class HashTable : AllocPolicy
4809 {
4810     typedef typename tl::StripConst<T>::result NonConstT;
4811     typedef typename HashPolicy::KeyType Key;
4812     typedef typename HashPolicy::Lookup Lookup;
4813     static void assignT(NonConstT &dst, const T &src) { dst = src; }
4814   public:
4815     class Entry {
4816         HashNumber keyHash;
4817       public:
4818         Entry() : keyHash(0), t() {}
4819         void operator=(const Entry &rhs) { keyHash = rhs.keyHash; assignT(t, rhs.t); }
4820         NonConstT t;
4821         bool isFree() const { return keyHash == sFreeKey; }
4822         void setFree() { keyHash = sFreeKey; assignT(t, T()); }
4823         bool isRemoved() const { return keyHash == sRemovedKey; }
4824         void setRemoved() { keyHash = sRemovedKey; assignT(t, T()); }
4825         bool isLive() const { return isLiveHash(keyHash); }
4826         void setLive(HashNumber hn) { ((void) 0); keyHash = hn; }
4827         void setCollision() { ((void) 0); keyHash |= sCollisionBit; }
4828         void setCollision(HashNumber collisionBit) {
4829             ((void) 0); keyHash |= collisionBit;
4830         }
4831         void unsetCollision() { ((void) 0); keyHash &= ~sCollisionBit; }
4832         bool hasCollision() const { ((void) 0); return keyHash & sCollisionBit; }
4833         bool matchHash(HashNumber hn) { return (keyHash & ~sCollisionBit) == hn; }
4834         HashNumber getKeyHash() const { ((void) 0); return keyHash; }
4835     };
4836     class Ptr
4837     {
4838         friend class HashTable;
4839         typedef void (Ptr::* ConvertibleToBool)();
4840         void nonNull() {}
4841         Entry *entry;
4842       protected:
4843         Ptr(Entry &entry) : entry(&entry) {}
4844       public:
4845         bool found() const { return entry->isLive(); }
4846         operator ConvertibleToBool() const { return found() ? &Ptr::nonNull : 0; }
4847         bool operator==(const Ptr &rhs) const { ((void) 0); return entry == rhs.entry; }
4848         bool operator!=(const Ptr &rhs) const { return !(*this == rhs); }
4849         T &operator*() const { return entry->t; }
4850         T *operator->() const { return &entry->t; }
4851     };
4852     class AddPtr : public Ptr
4853     {
4854         friend class HashTable;
4855         HashNumber keyHash;
4856         AddPtr(Entry &entry, HashNumber hn) : Ptr(entry), keyHash(hn) {}
4857     };
4858     class Range
4859     {
4860       protected:
4861         friend class HashTable;
4862         Range(Entry *c, Entry *e) : cur(c), end(e) {
4863             while (cur != end && !cur->isLive())
4864                 ++cur;
4865         }
4866         Entry *cur, *end;
4867       public:
4868         bool empty() const {
4869             return cur == end;
4870         }
4871         T &front() const {
4872             ((void) 0);
4873             return cur->t;
4874         }
4875         void popFront() {
4876             ((void) 0);
4877             while (++cur != end && !cur->isLive());
4878         }
4879     };
4880     class Enum : public Range
4881     {
4882         friend class HashTable;
4883         HashTable &table;
4884         bool removed;
4885         Enum(const Enum &);
4886         void operator=(const Enum &);
4887       public:
4888         template<class Map> explicit
4889         Enum(Map &map) : Range(map.all()), table(map.impl), removed(false) {}
4890         void removeFront() {
4891             table.remove(*this->cur);
4892             removed = true;
4893         }
4894         ~Enum() {
4895             if (removed)
4896                 table.checkUnderloaded();
4897         }
4898         void endEnumeration() {
4899             if (removed) {
4900                 table.checkUnderloaded();
4901                 removed = false;
4902             }
4903         }
4904     };
4905   private:
4906     uint32 hashShift;
4907     uint32 tableCapacity;
4908     uint32 entryCount;
4909     uint32 gen;
4910     uint32 removedCount;
4911     Entry *table;
4912     void setTableSizeLog2(unsigned sizeLog2) {
4913         hashShift = sHashBits - sizeLog2;
4914         tableCapacity = ((JSUint32)1 << (sizeLog2));
4915     }
4916     static const unsigned sMinSizeLog2 = 4;
4917     static const unsigned sMinSize = 1 << sMinSizeLog2;
4918     static const unsigned sSizeLimit = ((JSUint32)1 << (24));
4919     static const unsigned sHashBits = tl::BitSize<HashNumber>::result;
4920     static const uint8 sMinAlphaFrac = 64;
4921     static const uint8 sMaxAlphaFrac = 192;
4922     static const uint8 sInvMaxAlpha = 171;
4923     static const HashNumber sGoldenRatio = 0x9E3779B9U;
4924     static const HashNumber sCollisionBit = 1;
4925     static const HashNumber sFreeKey = 0;
4926     static const HashNumber sRemovedKey = 1;
4927     static bool isLiveHash(HashNumber hash)
4928     {
4929         return hash > sRemovedKey;
4930     }
4931     static HashNumber prepareHash(const Lookup& l)
4932     {
4933         HashNumber keyHash = HashPolicy::hash(l);
4934         keyHash *= sGoldenRatio;
4935         if (!isLiveHash(keyHash))
4936             keyHash -= (sRemovedKey + 1);
4937         return keyHash & ~sCollisionBit;
4938     }
4939     static Entry *createTable(AllocPolicy &alloc, uint32 capacity)
4940     {
4941         Entry *newTable = (Entry *)alloc.malloc(capacity * sizeof(Entry));
4942         if (!newTable)
4943             return __null;
4944         for (Entry *e = newTable, *end = e + capacity; e != end; ++e)
4945             new(e) Entry();
4946         return newTable;
4947     }
4948     static void destroyTable(AllocPolicy &alloc, Entry *oldTable, uint32 capacity)
4949     {
4950         for (Entry *e = oldTable, *end = e + capacity; e != end; ++e)
4951             e->~Entry();
4952         alloc.free(oldTable);
4953     }
4954   public:
4955     HashTable(AllocPolicy ap)
4956       : AllocPolicy(ap),
4957         entryCount(0),
4958         gen(0),
4959         removedCount(0),
4960         table(__null)
4961     {}
4962     bool init(uint32 length)
4963     {
4964         ((void) 0);
4965         ((void) 0);
4966         uint32 capacity = (length * sInvMaxAlpha) >> 7;
4967         if (capacity < sMinSize)
4968             capacity = sMinSize;
4969         uint32 roundUp = sMinSize, roundUpLog2 = sMinSizeLog2;
4970         while (roundUp < capacity) {
4971             roundUp <<= 1;
4972             ++roundUpLog2;
4973         }
4974         capacity = roundUp;
4975         if (capacity >= sSizeLimit) {
4976             this->reportAllocOverflow();
4977             return false;
4978         }
4979         table = createTable(*this, capacity);
4980         if (!table)
4981             return false;
4982         setTableSizeLog2(roundUpLog2);
4983         ;
4984         return true;
4985     }
4986     bool initialized() const
4987     {
4988         return !!table;
4989     }
4990     ~HashTable()
4991     {
4992         if (table)
4993             destroyTable(*this, table, tableCapacity);
4994     }
4995   private:
4996     static HashNumber hash1(HashNumber hash0, uint32 shift) {
4997         return hash0 >> shift;
4998     }
4999     static HashNumber hash2(HashNumber hash0, uint32 log2, uint32 shift) {
5000         return ((hash0 << log2) >> shift) | 1;
5001     }
5002     bool overloaded() {
5003         return entryCount + removedCount >= ((sMaxAlphaFrac * tableCapacity) >> 8);
5004     }
5005     bool underloaded() {
5006         return tableCapacity > sMinSize &&
5007                entryCount <= ((sMinAlphaFrac * tableCapacity) >> 8);
5008     }
5009     static bool match(Entry &e, const Lookup &l) {
5010         return HashPolicy::match(HashPolicy::getKey(e.t), l);
5011     }
5012     Entry &lookup(const Lookup &l, HashNumber keyHash, unsigned collisionBit) const
5013     {
5014         ((void) 0);
5015         ((void) 0);
5016         ((void) 0);
5017         ((void) 0);
5018         ;
5019         HashNumber h1 = hash1(keyHash, hashShift);
5020         Entry *entry = &table[h1];
5021         if (entry->isFree()) {
5022             ;
5023             return *entry;
5024         }
5025         if (entry->matchHash(keyHash) && match(*entry, l)) {
5026             ;
5027             return *entry;
5028         }
5029         unsigned sizeLog2 = sHashBits - hashShift;
5030         HashNumber h2 = hash2(keyHash, sizeLog2, hashShift);
5031         HashNumber sizeMask = (HashNumber(1) << sizeLog2) - 1;
5032         Entry *firstRemoved = __null;
5033         while(true) {
5034             if ((__builtin_expect((entry->isRemoved()), 0))) {
5035                 if (!firstRemoved)
5036                     firstRemoved = entry;
5037             } else {
5038                 entry->setCollision(collisionBit);
5039             }
5040             ;
5041             h1 -= h2;
5042             h1 &= sizeMask;
5043             entry = &table[h1];
5044             if (entry->isFree()) {
5045                 ;
5046                 return firstRemoved ? *firstRemoved : *entry;
5047             }
5048             if (entry->matchHash(keyHash) && match(*entry, l)) {
5049                 ;
5050                 return *entry;
5051             }
5052         }
5053     }
5054     Entry &findFreeEntry(HashNumber keyHash)
5055     {
5056         ;
5057         ((void) 0);
5058         HashNumber h1 = hash1(keyHash, hashShift);
5059         Entry *entry = &table[h1];
5060         if (entry->isFree()) {
5061             ;
5062             return *entry;
5063         }
5064         unsigned sizeLog2 = sHashBits - hashShift;
5065         HashNumber h2 = hash2(keyHash, sizeLog2, hashShift);
5066         HashNumber sizeMask = (HashNumber(1) << sizeLog2) - 1;
5067         while(true) {
5068             ((void) 0);
5069             entry->setCollision();
5070             ;
5071             h1 -= h2;
5072             h1 &= sizeMask;
5073             entry = &table[h1];
5074             if (entry->isFree()) {
5075                 ;
5076                 return *entry;
5077             }
5078         }
5079     }
5080     bool changeTableSize(int deltaLog2)
5081     {
5082         Entry *oldTable = table;
5083         uint32 oldCap = tableCapacity;
5084         uint32 newLog2 = sHashBits - hashShift + deltaLog2;
5085         uint32 newCapacity = ((JSUint32)1 << (newLog2));
5086         if (newCapacity >= sSizeLimit) {
5087             this->reportAllocOverflow();
5088             return false;
5089         }
5090         Entry *newTable = createTable(*this, newCapacity);
5091         if (!newTable)
5092             return false;
5093         setTableSizeLog2(newLog2);
5094         removedCount = 0;
5095         gen++;
5096         table = newTable;
5097         for (Entry *src = oldTable, *end = src + oldCap; src != end; ++src) {
5098             if (src->isLive()) {
5099                 src->unsetCollision();
5100                 findFreeEntry(src->getKeyHash()) = *src;
5101             }
5102         }
5103         destroyTable(*this, oldTable, oldCap);
5104         return true;
5105     }
5106     void remove(Entry &e)
5107     {
5108         ;
5109         if (e.hasCollision()) {
5110             e.setRemoved();
5111             removedCount++;
5112         } else {
5113             ;
5114             e.setFree();
5115         }
5116         entryCount--;
5117     }
5118     void checkUnderloaded()
5119     {
5120         if (underloaded()) {
5121             ;
5122             (void) changeTableSize(-1);
5123         }
5124     }
5125   public:
5126     void clear()
5127     {
5128         for (Entry *e = table, *end = table + tableCapacity; e != end; ++e)
5129             *e = Entry();
5130         removedCount = 0;
5131         entryCount = 0;
5132     }
5133     Range all() const {
5134         return Range(table, table + tableCapacity);
5135     }
5136     bool empty() const {
5137         return !entryCount;
5138     }
5139     uint32 count() const{
5140         return entryCount;
5141     }
5142     uint32 generation() const {
5143         return gen;
5144     }
5145     Ptr lookup(const Lookup &l) const {
5146         ReentrancyGuard g(*this);
5147         HashNumber keyHash = prepareHash(l);
5148         return Ptr(lookup(l, keyHash, 0));
5149     }
5150     AddPtr lookupForAdd(const Lookup &l) const {
5151         ReentrancyGuard g(*this);
5152         HashNumber keyHash = prepareHash(l);
5153         Entry &entry = lookup(l, keyHash, sCollisionBit);
5154         return AddPtr(entry, keyHash);
5155     }
5156     bool add(AddPtr &p)
5157     {
5158         ReentrancyGuard g(*this);
5159         ((void) 0);
5160         ((void) 0);
5161         ((void) 0);
5162         ((void) 0);
5163         if (p.entry->isRemoved()) {
5164             ;
5165             removedCount--;
5166             p.keyHash |= sCollisionBit;
5167         } else {
5168             if (overloaded()) {
5169                 int deltaLog2;
5170                 if (removedCount >= (tableCapacity >> 2)) {
5171                     ;
5172                     deltaLog2 = 0;
5173                 } else {
5174                     ;
5175                     deltaLog2 = 1;
5176                 }
5177                 if (!changeTableSize(deltaLog2))
5178                     return false;
5179                 p.entry = &findFreeEntry(p.keyHash);
5180             }
5181         }
5182         p.entry->setLive(p.keyHash);
5183         entryCount++;
5184         return true;
5185     }
5186     bool add(AddPtr &p, T** pentry)
5187     {
5188         if (!add(p))
5189             return false;
5190         *pentry = &p.entry->t;
5191         return true;
5192     }
5193     bool add(AddPtr &p, const T &t)
5194     {
5195         if (!add(p))
5196             return false;
5197         p.entry->t = t;
5198         return true;
5199     }
5200     bool relookupOrAdd(AddPtr& p, const Lookup &l, const T& t)
5201     {
5202         {
5203             ReentrancyGuard g(*this);
5204             p.entry = &lookup(l, p.keyHash, sCollisionBit);
5205         }
5206         return p.found() || add(p, t);
5207     }
5208     void remove(Ptr p)
5209     {
5210         ReentrancyGuard g(*this);
5211         ((void) 0);
5212         remove(*p.entry);
5213         checkUnderloaded();
5214     }
5215 };
5216 }
5217 template <class Key>
5218 struct DefaultHasher
5219 {
5220     typedef Key Lookup;
5221     static HashNumber hash(const Lookup &l) {
5222         return l;
5223     }
5224     static bool match(const Key &k, const Lookup &l) {
5225         return k == l;
5226     }
5227 };
5228 template <class T>
5229 struct DefaultHasher<T *>
5230 {
5231     typedef T *Lookup;
5232     static HashNumber hash(T *l) {
5233         return HashNumber(reinterpret_cast<size_t>(l) >>
5234                           tl::FloorLog2<sizeof(void *)>::result);
5235     }
5236     static bool match(T *k, T *l) {
5237         return k == l;
5238     }
5239 };
5240 template <class Key, class Value, class HashPolicy, class AllocPolicy>
5241 class HashMap
5242 {
5243   public:
5244     typedef typename HashPolicy::Lookup Lookup;
5245     class Entry
5246     {
5247         template <class, class, class> friend class detail::HashTable;
5248         void operator=(const Entry &rhs) {
5249             const_cast<Key &>(key) = rhs.key;
5250             value = rhs.value;
5251         }
5252       public:
5253         Entry() : key(), value() {}
5254         Entry(const Key &k, const Value &v) : key(k), value(v) {}
5255         const Key key;
5256         Value value;
5257     };
5258   private:
5259     struct MapHashPolicy : HashPolicy
5260     {
5261         typedef Key KeyType;
5262         static const Key &getKey(Entry &e) { return e.key; }
5263     };
5264     typedef detail::HashTable<Entry, MapHashPolicy, AllocPolicy> Impl;
5265     friend class Impl::Enum;
5266     HashMap(const HashMap &);
5267     HashMap &operator=(const HashMap &);
5268     Impl impl;
5269   public:
5270     HashMap(AllocPolicy a = AllocPolicy()) : impl(a) {}
5271     bool init(uint32 len = 0) { return impl.init(len); }
5272     bool initialized() const { return impl.initialized(); }
5273     typedef typename Impl::Ptr Ptr;
5274     Ptr lookup(const Lookup &l) const { return impl.lookup(l); }
5275     void remove(Ptr p) { impl.remove(p); }
5276     typedef typename Impl::AddPtr AddPtr;
5277     AddPtr lookupForAdd(const Lookup &l) const {
5278         return impl.lookupForAdd(l);
5279     }
5280     bool add(AddPtr &p, const Key &k, const Value &v) {
5281         Entry *pentry;
5282         if (!impl.add(p, &pentry))
5283             return false;
5284         const_cast<Key &>(pentry->key) = k;
5285         pentry->value = v;
5286         return true;
5287     }
5288     bool add(AddPtr &p, const Key &k) {
5289         Entry *pentry;
5290         if (!impl.add(p, &pentry))
5291             return false;
5292         const_cast<Key &>(pentry->key) = k;
5293         return true;
5294     }
5295     bool relookupOrAdd(AddPtr &p, const Key &k, const Value &v) {
5296         return impl.relookupOrAdd(p, k, Entry(k, v));
5297     }
5298     typedef typename Impl::Range Range;
5299     Range all() const { return impl.all(); }
5300     size_t count() const { return impl.count(); }
5301     typedef typename Impl::Enum Enum;
5302     void clear() { impl.clear(); }
5303     bool empty() const { return impl.empty(); }
5304     unsigned generation() const { return impl.generation(); }
5305     bool has(const Lookup &l) const {
5306         return impl.lookup(l) != __null;
5307     }
5308     Entry *put(const Key &k, const Value &v) {
5309         AddPtr p = lookupForAdd(k);
5310         if (p) {
5311             p->value = v;
5312             return &*p;
5313         }
5314         return add(p, k, v) ? &*p : __null;
5315     }
5316     void remove(const Lookup &l) {
5317         if (Ptr p = lookup(l))
5318             remove(p);
5319     }
5320 };
5321 template <class T, class HashPolicy, class AllocPolicy>
5322 class HashSet
5323 {
5324     typedef typename HashPolicy::Lookup Lookup;
5325     struct SetOps : HashPolicy {
5326         typedef T KeyType;
5327         static const KeyType &getKey(const T &t) { return t; }
5328     };
5329     typedef detail::HashTable<const T, SetOps, AllocPolicy> Impl;
5330     friend class Impl::Enum;
5331     HashSet(const HashSet &);
5332     HashSet &operator=(const HashSet &);
5333     Impl impl;
5334   public:
5335     HashSet(AllocPolicy a = AllocPolicy()) : impl(a) {}
5336     bool init(uint32 len = 0) { return impl.init(len); }
5337     bool initialized() const { return impl.initialized(); }
5338     typedef typename Impl::Ptr Ptr;
5339     Ptr lookup(const Lookup &l) const { return impl.lookup(l); }
5340     void remove(Ptr p) { impl.remove(p); }
5341     typedef typename Impl::AddPtr AddPtr;
5342     AddPtr lookupForAdd(const Lookup &l) const {
5343         return impl.lookupForAdd(l);
5344     }
5345     bool add(AddPtr &p, const T &t) {
5346         return impl.add(p, t);
5347     }
5348     bool relookupOrAdd(AddPtr &p, const Lookup &l, const T &t) {
5349         return impl.relookupOrAdd(p, l, t);
5350     }
5351     typedef typename Impl::Range Range;
5352     Range all() const { return impl.all(); }
5353     size_t count() const { return impl.count(); }
5354     typedef typename Impl::Enum Enum;
5355     void clear() { impl.clear(); }
5356     bool empty() const { return impl.empty(); }
5357     unsigned generation() const { return impl.generation(); }
5358     bool has(const Lookup &l) const {
5359         return impl.lookup(l) != __null;
5360     }
5361     const T *put(const T &t) {
5362         AddPtr p = lookupForAdd(t);
5363         return p ? &*p : (add(p, t) ? &*p : __null);
5364     }
5365     void remove(const Lookup &l) {
5366         if (Ptr p = lookup(l))
5367             remove(p);
5368     }
5369 };
5370 }
5371 extern "C" {
5372 enum
5373 {
5374   _ISupper = (1 << (0)),
5375   _ISlower = (1 << (1)),
5376   _ISalpha = (1 << (2)),
5377   _ISdigit = (1 << (3)),
5378   _ISxdigit = (1 << (4)),
5379   _ISspace = (1 << (5)),
5380   _ISprint = (1 << (6)),
5381   _ISgraph = (1 << (7)),
5382   _ISblank = (1 << (8)),
5383   _IScntrl = (1 << (9)),
5384   _ISpunct = (1 << (10)),
5385   _ISalnum = (1 << (11))
5386 };
5387 extern const unsigned short int **__ctype_b_loc (void)
5388      throw () __attribute__ ((__const__));
5389 extern const __int32_t **__ctype_tolower_loc (void)
5390      throw () __attribute__ ((__const__));
5391 extern const __int32_t **__ctype_toupper_loc (void)
5392      throw () __attribute__ ((__const__));
5393 extern int isalnum (int) throw ();
5394 extern int isalpha (int) throw ();
5395 extern int iscntrl (int) throw ();
5396 extern int isdigit (int) throw ();
5397 extern int islower (int) throw ();
5398 extern int isgraph (int) throw ();
5399 extern int isprint (int) throw ();
5400 extern int ispunct (int) throw ();
5401 extern int isspace (int) throw ();
5402 extern int isupper (int) throw ();
5403 extern int isxdigit (int) throw ();
5404 extern int tolower (int __c) throw ();
5405 extern int toupper (int __c) throw ();
5406 extern int isblank (int) throw ();
5407 extern int isctype (int __c, int __mask) throw ();
5408 extern int isascii (int __c) throw ();
5409 extern int toascii (int __c) throw ();
5410 extern int _toupper (int) throw ();
5411 extern int _tolower (int) throw ();
5412 extern int isalnum_l (int, __locale_t) throw ();
5413 extern int isalpha_l (int, __locale_t) throw ();
5414 extern int iscntrl_l (int, __locale_t) throw ();
5415 extern int isdigit_l (int, __locale_t) throw ();
5416 extern int islower_l (int, __locale_t) throw ();
5417 extern int isgraph_l (int, __locale_t) throw ();
5418 extern int isprint_l (int, __locale_t) throw ();
5419 extern int ispunct_l (int, __locale_t) throw ();
5420 extern int isspace_l (int, __locale_t) throw ();
5421 extern int isupper_l (int, __locale_t) throw ();
5422 extern int isxdigit_l (int, __locale_t) throw ();
5423 extern int isblank_l (int, __locale_t) throw ();
5424 extern int __tolower_l (int __c, __locale_t __l) throw ();
5425 extern int tolower_l (int __c, __locale_t __l) throw ();
5426 extern int __toupper_l (int __c, __locale_t __l) throw ();
5427 extern int toupper_l (int __c, __locale_t __l) throw ();
5428 }
5429 extern "C" {
5430 typedef unsigned char PRUint8;
5431 typedef signed char PRInt8;
5432 typedef unsigned short PRUint16;
5433 typedef short PRInt16;
5434 typedef unsigned int PRUint32;
5435 typedef int PRInt32;
5436 typedef long PRInt64;
5437 typedef unsigned long PRUint64;
5438 typedef int PRIntn;
5439 typedef unsigned int PRUintn;
5440 typedef double PRFloat64;
5441 typedef size_t PRSize;
5442 typedef PRInt32 PROffset32;
5443 typedef PRInt64 PROffset64;
5444 typedef ptrdiff_t PRPtrdiff;
5445 typedef unsigned long PRUptrdiff;
5446 typedef PRIntn PRBool;
5447 typedef PRUint8 PRPackedBool;
5448 typedef enum { PR_FAILURE = -1, PR_SUCCESS = 0 } PRStatus;
5449 typedef PRUint16 PRUnichar;
5450 typedef long PRWord;
5451 typedef unsigned long PRUword;
5452 }
5453 extern "C" {
5454 typedef struct PRLock PRLock;
5455 extern __attribute__((visibility("default"))) PRLock* PR_NewLock(void);
5456 extern __attribute__((visibility("default"))) void PR_DestroyLock(PRLock *lock);
5457 extern __attribute__((visibility("default"))) void PR_Lock(PRLock *lock);
5458 extern __attribute__((visibility("default"))) PRStatus PR_Unlock(PRLock *lock);
5459 extern __attribute__((visibility("default"))) void PR_AssertCurrentThreadOwnsLock(PRLock *lock);
5460 }
5461 extern "C" {
5462 extern __attribute__((visibility("default"))) PRInt32 PR_AtomicIncrement(PRInt32 *val);
5463 extern __attribute__((visibility("default"))) PRInt32 PR_AtomicDecrement(PRInt32 *val);
5464 extern __attribute__((visibility("default"))) PRInt32 PR_AtomicSet(PRInt32 *val, PRInt32 newval);
5465 extern __attribute__((visibility("default"))) PRInt32 PR_AtomicAdd(PRInt32 *ptr, PRInt32 val);
5466 typedef struct PRStackElemStr PRStackElem;
5467 struct PRStackElemStr {
5468     PRStackElem *prstk_elem_next;
5469 };
5470 typedef struct PRStackStr PRStack;
5471 extern __attribute__((visibility("default"))) PRStack * PR_CreateStack(const char *stack_name);
5472 extern __attribute__((visibility("default"))) void PR_StackPush(PRStack *stack, PRStackElem *stack_elem);
5473 extern __attribute__((visibility("default"))) PRStackElem * PR_StackPop(PRStack *stack);
5474 extern __attribute__((visibility("default"))) PRStatus PR_DestroyStack(PRStack *stack);
5475 }
5476 extern "C" {
5477 typedef PRUint32 PRIntervalTime;
5478 extern __attribute__((visibility("default"))) PRIntervalTime PR_IntervalNow(void);
5479 extern __attribute__((visibility("default"))) PRUint32 PR_TicksPerSecond(void);
5480 extern __attribute__((visibility("default"))) PRIntervalTime PR_SecondsToInterval(PRUint32 seconds);
5481 extern __attribute__((visibility("default"))) PRIntervalTime PR_MillisecondsToInterval(PRUint32 milli);
5482 extern __attribute__((visibility("default"))) PRIntervalTime PR_MicrosecondsToInterval(PRUint32 micro);
5483 extern __attribute__((visibility("default"))) PRUint32 PR_IntervalToSeconds(PRIntervalTime ticks);
5484 extern __attribute__((visibility("default"))) PRUint32 PR_IntervalToMilliseconds(PRIntervalTime ticks);
5485 extern __attribute__((visibility("default"))) PRUint32 PR_IntervalToMicroseconds(PRIntervalTime ticks);
5486 }
5487 extern "C" {
5488 typedef struct PRCondVar PRCondVar;
5489 extern __attribute__((visibility("default"))) PRCondVar* PR_NewCondVar(PRLock *lock);
5490 extern __attribute__((visibility("default"))) void PR_DestroyCondVar(PRCondVar *cvar);
5491 extern __attribute__((visibility("default"))) PRStatus PR_WaitCondVar(PRCondVar *cvar, PRIntervalTime timeout);
5492 extern __attribute__((visibility("default"))) PRStatus PR_NotifyCondVar(PRCondVar *cvar);
5493 extern __attribute__((visibility("default"))) PRStatus PR_NotifyAllCondVar(PRCondVar *cvar);
5494 }
5495 extern "C" {
5496 typedef struct PRThread PRThread;
5497 typedef struct PRThreadStack PRThreadStack;
5498 typedef enum PRThreadType {
5499     PR_USER_THREAD,
5500     PR_SYSTEM_THREAD
5501 } PRThreadType;
5502 typedef enum PRThreadScope {
5503     PR_LOCAL_THREAD,
5504     PR_GLOBAL_THREAD,
5505     PR_GLOBAL_BOUND_THREAD
5506 } PRThreadScope;
5507 typedef enum PRThreadState {
5508     PR_JOINABLE_THREAD,
5509     PR_UNJOINABLE_THREAD
5510 } PRThreadState;
5511 typedef enum PRThreadPriority
5512 {
5513     PR_PRIORITY_FIRST = 0,
5514     PR_PRIORITY_LOW = 0,
5515     PR_PRIORITY_NORMAL = 1,
5516     PR_PRIORITY_HIGH = 2,
5517     PR_PRIORITY_URGENT = 3,
5518     PR_PRIORITY_LAST = 3
5519 } PRThreadPriority;
5520 extern __attribute__((visibility("default"))) PRThread* PR_CreateThread(PRThreadType type,
5521                      void ( *start)(void *arg),
5522                      void *arg,
5523                      PRThreadPriority priority,
5524                      PRThreadScope scope,
5525                      PRThreadState state,
5526                      PRUint32 stackSize);
5527 extern __attribute__((visibility("default"))) PRStatus PR_JoinThread(PRThread *thread);
5528 extern __attribute__((visibility("default"))) PRThread* PR_GetCurrentThread(void);
5529 extern __attribute__((visibility("default"))) PRThreadPriority PR_GetThreadPriority(const PRThread *thread);
5530 extern __attribute__((visibility("default"))) void PR_SetThreadPriority(PRThread *thread, PRThreadPriority priority);
5531 extern __attribute__((visibility("default"))) PRStatus PR_SetCurrentThreadName(const char *name);
5532 extern __attribute__((visibility("default"))) const char * PR_GetThreadName(const PRThread *thread);
5533 typedef void ( *PRThreadPrivateDTOR)(void *priv);
5534 extern __attribute__((visibility("default"))) PRStatus PR_NewThreadPrivateIndex(
5535     PRUintn *newIndex, PRThreadPrivateDTOR destructor);
5536 extern __attribute__((visibility("default"))) PRStatus PR_SetThreadPrivate(PRUintn tpdIndex, void *priv);
5537 extern __attribute__((visibility("default"))) void* PR_GetThreadPrivate(PRUintn tpdIndex);
5538 extern __attribute__((visibility("default"))) PRStatus PR_Interrupt(PRThread *thread);
5539 extern __attribute__((visibility("default"))) void PR_ClearInterrupt(void);
5540 extern __attribute__((visibility("default"))) void PR_BlockInterrupt(void);
5541 extern __attribute__((visibility("default"))) void PR_UnblockInterrupt(void);
5542 extern __attribute__((visibility("default"))) PRStatus PR_Sleep(PRIntervalTime ticks);
5543 extern __attribute__((visibility("default"))) PRThreadScope PR_GetThreadScope(const PRThread *thread);
5544 extern __attribute__((visibility("default"))) PRThreadType PR_GetThreadType(const PRThread *thread);
5545 extern __attribute__((visibility("default"))) PRThreadState PR_GetThreadState(const PRThread *thread);
5546 }
5547 extern "C" {
5548 typedef struct JSFatLock JSFatLock;
5549 typedef struct JSThinLock {
5550     jsword owner;
5551     JSFatLock *fat;
5552 } JSThinLock;
5553 typedef PRLock JSLock;
5554 extern void js_Lock(JSContext *cx, JSThinLock *tl);
5555 extern void js_Unlock(JSContext *cx, JSThinLock *tl);
5556 extern void js_LockRuntime(JSRuntime *rt);
5557 extern void js_UnlockRuntime(JSRuntime *rt);
5558 extern int js_SetupLocks(int,int);
5559 extern void js_CleanupLocks();
5560 extern void js_InitLock(JSThinLock *);
5561 extern void js_FinishLock(JSThinLock *);
5562 extern JSBool
5563 js_CompareAndSwap(volatile jsword *w, jsword ov, jsword nv);
5564 extern void
5565 js_AtomicSetMask(volatile jsword *w, jsword mask);
5566 extern void
5567 js_AtomicClearMask(volatile jsword *w, jsword mask);
5568 }
5569 namespace js {
5570 class AutoLock {
5571   private:
5572     JSLock *lock;
5573   public:
5574     AutoLock(JSLock *lock) : lock(lock) { PR_Lock(lock); }
5575     ~AutoLock() { PR_Unlock(lock); }
5576 };
5577 }
5578 static inline int
5579 JSDOUBLE_IS_NEGZERO(jsdouble d)
5580 {
5581     return (d == 0 && (sizeof (d) == sizeof (float) ? __signbitf (d) : sizeof (d) == sizeof (double) ? __signbit (d) : __signbitl (d)));
5582 }
5583 static inline
5584               bool
5585 JSDOUBLE_IS_INT32(jsdouble d, int32_t* pi)
5586 {
5587     if (JSDOUBLE_IS_NEGZERO(d))
5588         return false;
5589     return d == (*pi = int32_t(d));
5590 }
5591 static __attribute__((always_inline)) inline JSBool
5592 JSVAL_IS_SPECIFIC_INT32_IMPL(jsval_layout l, int32 i32)
5593 {
5594     return l.asBits == (((uint64)(uint32)i32) | JSVAL_SHIFTED_TAG_INT32);
5595 }
5596 static __attribute__((always_inline)) inline JSBool
5597 JSVAL_IS_SPECIFIC_BOOLEAN(jsval_layout l, JSBool b)
5598 {
5599     return l.asBits == (((uint64)(uint32)b) | JSVAL_SHIFTED_TAG_BOOLEAN);
5600 }
5601 static __attribute__((always_inline)) inline jsval_layout
5602 MAGIC_TO_JSVAL_IMPL(JSWhyMagic why)
5603 {
5604     jsval_layout l;
5605     l.asBits = ((uint64)(uint32)why) | JSVAL_SHIFTED_TAG_MAGIC;
5606     return l;
5607 }
5608 static __attribute__((always_inline)) inline jsval_layout
5609 MAGIC_TO_JSVAL_IMPL(JSObject *obj)
5610 {
5611     jsval_layout l;
5612     l.asBits = ((uint64)obj) | JSVAL_SHIFTED_TAG_MAGIC;
5613     return l;
5614 }
5615 static __attribute__((always_inline)) inline JSBool
5616 JSVAL_SAME_TYPE_IMPL(jsval_layout lhs, jsval_layout rhs)
5617 {
5618     uint64 lbits = lhs.asBits, rbits = rhs.asBits;
5619     return (lbits <= JSVAL_TAG_MAX_DOUBLE && rbits <= JSVAL_TAG_MAX_DOUBLE) ||
5620            (((lbits ^ rbits) & 0xFFFF800000000000LL) == 0);
5621 }
5622 static __attribute__((always_inline)) inline jsval_layout
5623 PRIVATE_UINT32_TO_JSVAL_IMPL(uint32 ui)
5624 {
5625     jsval_layout l;
5626     l.asBits = (uint64)ui;
5627     ((void) 0);
5628     return l;
5629 }
5630 static __attribute__((always_inline)) inline uint32
5631 JSVAL_TO_PRIVATE_UINT32_IMPL(jsval_layout l)
5632 {
5633     ((void) 0);
5634     return (uint32)l.asBits;
5635 }
5636 static __attribute__((always_inline)) inline JSValueType
5637 JSVAL_EXTRACT_NON_DOUBLE_TYPE_IMPL(jsval_layout l)
5638 {
5639    uint64 type = (l.asBits >> 47) & 0xF;
5640    ((void) 0);
5641    return (JSValueType)type;
5642 }
5643 static __attribute__((always_inline)) inline JSValueTag
5644 JSVAL_EXTRACT_NON_DOUBLE_TAG_IMPL(jsval_layout l)
5645 {
5646     uint64 tag = l.asBits >> 47;
5647     ((void) 0);
5648     return (JSValueTag)tag;
5649 }
5650 typedef int js_static_assert3[(__builtin_offsetof (jsval_layout, s.payload) == 0) ? 1 : -1];
5651 typedef int js_static_assert4[((JSVAL_TYPE_NONFUNOBJ & 0xF) == JSVAL_TYPE_OBJECT) ? 1 : -1];
5652 typedef int js_static_assert5[((JSVAL_TYPE_FUNOBJ & 0xF) == JSVAL_TYPE_OBJECT) ? 1 : -1];
5653 static __attribute__((always_inline)) inline jsval_layout
5654 BOX_NON_DOUBLE_JSVAL(JSValueType type, uint64 *slot)
5655 {
5656     jsval_layout l;
5657     ((void) 0);
5658     uint32 isI32 = (uint32)(type < JSVAL_TYPE_MAGIC);
5659     uint32 shift = isI32 * 32;
5660     uint64 mask = ((uint64)-1) >> shift;
5661     uint64 payload = *slot & mask;
5662     ((void) 0)
5663                               ;
5664     l.asBits = payload | (((uint64)((JSValueTag)(JSVAL_TAG_MAX_DOUBLE | (type & 0xF)))) << 47);
5665     return l;
5666 }
5667 static __attribute__((always_inline)) inline void
5668 UNBOX_NON_DOUBLE_JSVAL(jsval_layout l, uint64 *out)
5669 {
5670     ((void) 0);
5671     *out = (l.asBits & 0x00007FFFFFFFFFFFLL);
5672 }
5673 namespace js {
5674 class Value
5675 {
5676   public:
5677     __attribute__((always_inline)) inline
5678     void setNull() {
5679         data.asBits = (((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0)));
5680     }
5681     __attribute__((always_inline)) inline
5682     void setUndefined() {
5683         data.asBits = (((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0)));
5684     }
5685     __attribute__((always_inline)) inline
5686     void setInt32(int32 i) {
5687         data = INT32_TO_JSVAL_IMPL(i);
5688     }
5689     __attribute__((always_inline)) inline
5690     int32 &getInt32Ref() {
5691         ((void) 0);
5692         return data.s.payload.i32;
5693     }
5694     __attribute__((always_inline)) inline
5695     void setDouble(double d) {
5696         data = DOUBLE_TO_JSVAL_IMPL(d);
5697     }
5698     __attribute__((always_inline)) inline
5699     double &getDoubleRef() {
5700         ((void) 0);
5701         return data.asDouble;
5702     }
5703     __attribute__((always_inline)) inline
5704     void setString(JSString *str) {
5705         data = STRING_TO_JSVAL_IMPL(str);
5706     }
5707     __attribute__((always_inline)) inline
5708     void setObject(JSObject &obj) {
5709         data = OBJECT_TO_JSVAL_IMPL(&obj);
5710     }
5711     __attribute__((always_inline)) inline
5712     void setBoolean(bool b) {
5713         data = BOOLEAN_TO_JSVAL_IMPL(b);
5714     }
5715     __attribute__((always_inline)) inline
5716     void setMagic(JSWhyMagic why) {
5717         data = MAGIC_TO_JSVAL_IMPL(why);
5718     }
5719     __attribute__((always_inline)) inline
5720     void setMagicWithObjectOrNullPayload(JSObject *obj) {
5721         data = MAGIC_TO_JSVAL_IMPL(obj);
5722     }
5723     __attribute__((always_inline)) inline
5724     JSObject *getMagicObjectOrNullPayload() const {
5725         return MAGIC_JSVAL_TO_OBJECT_OR_NULL_IMPL(data);
5726     }
5727     __attribute__((always_inline)) inline
5728     void setNumber(uint32 ui) {
5729         if (ui > ((jsint)0x7fffffff))
5730             setDouble((double)ui);
5731         else
5732             setInt32((int32)ui);
5733     }
5734     __attribute__((always_inline)) inline
5735     void setNumber(double d) {
5736         int32_t i;
5737         if (JSDOUBLE_IS_INT32(d, &i))
5738             setInt32(i);
5739         else
5740             setDouble(d);
5741     }
5742     __attribute__((always_inline)) inline
5743     void setObjectOrNull(JSObject *arg) {
5744         if (arg)
5745             setObject(*arg);
5746         else
5747             setNull();
5748     }
5749     __attribute__((always_inline)) inline
5750     void setObjectOrUndefined(JSObject *arg) {
5751         if (arg)
5752             setObject(*arg);
5753         else
5754             setUndefined();
5755     }
5756     __attribute__((always_inline)) inline
5757     void swap(Value &rhs) {
5758         uint64 tmp = rhs.data.asBits;
5759         rhs.data.asBits = data.asBits;
5760         data.asBits = tmp;
5761     }
5762     __attribute__((always_inline)) inline
5763     bool isUndefined() const {
5764         return JSVAL_IS_UNDEFINED_IMPL(data);
5765     }
5766     __attribute__((always_inline)) inline
5767     bool isNull() const {
5768         return JSVAL_IS_NULL_IMPL(data);
5769     }
5770     __attribute__((always_inline)) inline
5771     bool isNullOrUndefined() const {
5772         return isNull() || isUndefined();
5773     }
5774     __attribute__((always_inline)) inline
5775     bool isInt32() const {
5776         return JSVAL_IS_INT32_IMPL(data);
5777     }
5778     __attribute__((always_inline)) inline
5779     bool isInt32(int32 i32) const {
5780         return JSVAL_IS_SPECIFIC_INT32_IMPL(data, i32);
5781     }
5782     __attribute__((always_inline)) inline
5783     bool isDouble() const {
5784         return JSVAL_IS_DOUBLE_IMPL(data);
5785     }
5786     __attribute__((always_inline)) inline
5787     bool isNumber() const {
5788         return JSVAL_IS_NUMBER_IMPL(data);
5789     }
5790     __attribute__((always_inline)) inline
5791     bool isString() const {
5792         return JSVAL_IS_STRING_IMPL(data);
5793     }
5794     __attribute__((always_inline)) inline
5795     bool isObject() const {
5796         return JSVAL_IS_OBJECT_IMPL(data);
5797     }
5798     __attribute__((always_inline)) inline
5799     bool isPrimitive() const {
5800         return JSVAL_IS_PRIMITIVE_IMPL(data);
5801     }
5802     __attribute__((always_inline)) inline
5803     bool isObjectOrNull() const {
5804         return JSVAL_IS_OBJECT_OR_NULL_IMPL(data);
5805     }
5806     __attribute__((always_inline)) inline
5807     bool isGCThing() const {
5808         return JSVAL_IS_GCTHING_IMPL(data);
5809     }
5810     __attribute__((always_inline)) inline
5811     bool isBoolean() const {
5812         return JSVAL_IS_BOOLEAN_IMPL(data);
5813     }
5814     __attribute__((always_inline)) inline
5815     bool isTrue() const {
5816         return JSVAL_IS_SPECIFIC_BOOLEAN(data, true);
5817     }
5818     __attribute__((always_inline)) inline
5819     bool isFalse() const {
5820         return JSVAL_IS_SPECIFIC_BOOLEAN(data, false);
5821     }
5822     __attribute__((always_inline)) inline
5823     bool isMagic() const {
5824         return JSVAL_IS_MAGIC_IMPL(data);
5825     }
5826     __attribute__((always_inline)) inline
5827     bool isMagic(JSWhyMagic why) const {
5828         ((void) 0);
5829         return JSVAL_IS_MAGIC_IMPL(data);
5830     }
5831     __attribute__((always_inline)) inline
5832     bool hasPtrPayload() const {
5833         return data.asBits >= JSVAL_SHIFTED_TAG_MAGIC;
5834     }
5835     __attribute__((always_inline)) inline
5836     bool isMarkable() const {
5837         return JSVAL_IS_TRACEABLE_IMPL(data);
5838     }
5839     __attribute__((always_inline)) inline
5840     int32 gcKind() const {
5841         ((void) 0);
5842         return JSVAL_TRACE_KIND_IMPL(data);
5843     }
5844     __attribute__((always_inline)) inline
5845     bool operator==(const Value &rhs) const {
5846         return data.asBits == rhs.data.asBits;
5847     }
5848     __attribute__((always_inline)) inline
5849     bool operator!=(const Value &rhs) const {
5850         return data.asBits != rhs.data.asBits;
5851     }
5852     friend bool SameType(const Value &lhs, const Value &rhs);
5853     __attribute__((always_inline)) inline
5854     int32 toInt32() const {
5855         ((void) 0);
5856         return JSVAL_TO_INT32_IMPL(data);
5857     }
5858     __attribute__((always_inline)) inline
5859     double toDouble() const {
5860         ((void) 0);
5861         return data.asDouble;
5862     }
5863     __attribute__((always_inline)) inline
5864     double toNumber() const {
5865         ((void) 0);
5866         return isDouble() ? toDouble() : double(toInt32());
5867     }
5868     __attribute__((always_inline)) inline
5869     JSString *toString() const {
5870         ((void) 0);
5871         return JSVAL_TO_STRING_IMPL(data);
5872     }
5873     __attribute__((always_inline)) inline
5874     JSObject &toObject() const {
5875         ((void) 0);
5876         return *JSVAL_TO_OBJECT_IMPL(data);
5877     }
5878     __attribute__((always_inline)) inline
5879     JSObject *toObjectOrNull() const {
5880         ((void) 0);
5881         return JSVAL_TO_OBJECT_IMPL(data);
5882     }
5883     __attribute__((always_inline)) inline
5884     void *toGCThing() const {
5885         ((void) 0);
5886         return JSVAL_TO_GCTHING_IMPL(data);
5887     }
5888     __attribute__((always_inline)) inline
5889     bool toBoolean() const {
5890         ((void) 0);
5891         return JSVAL_TO_BOOLEAN_IMPL(data);
5892     }
5893     __attribute__((always_inline)) inline
5894     uint32 payloadAsRawUint32() const {
5895         ((void) 0);
5896         return data.s.payload.u32;
5897     }
5898     __attribute__((always_inline)) inline
5899     uint64 asRawBits() const {
5900         return data.asBits;
5901     }
5902     __attribute__((always_inline)) inline
5903     JSValueType extractNonDoubleType() const {
5904         return JSVAL_EXTRACT_NON_DOUBLE_TYPE_IMPL(data);
5905     }
5906     __attribute__((always_inline)) inline
5907     JSValueTag extractNonDoubleTag() const {
5908         return JSVAL_EXTRACT_NON_DOUBLE_TAG_IMPL(data);
5909     }
5910     __attribute__((always_inline)) inline
5911     void unboxNonDoubleTo(uint64 *out) const {
5912         UNBOX_NON_DOUBLE_JSVAL(data, out);
5913     }
5914     __attribute__((always_inline)) inline
5915     void boxNonDoubleFrom(JSValueType type, uint64 *out) {
5916         data = BOX_NON_DOUBLE_JSVAL(type, out);
5917     }
5918     __attribute__((always_inline)) inline
5919     JSValueType extractNonDoubleObjectTraceType() const {
5920         ((void) 0);
5921         return JSVAL_EXTRACT_NON_DOUBLE_TYPE_IMPL(data);
5922     }
5923     __attribute__((always_inline)) inline
5924     JSValueTag extractNonDoubleObjectTraceTag() const {
5925         ((void) 0);
5926         return JSVAL_EXTRACT_NON_DOUBLE_TAG_IMPL(data);
5927     }
5928     __attribute__((always_inline)) inline
5929     void setPrivate(void *ptr) {
5930         data = PRIVATE_PTR_TO_JSVAL_IMPL(ptr);
5931     }
5932     __attribute__((always_inline)) inline
5933     void *toPrivate() const {
5934         ((void) 0);
5935         return JSVAL_TO_PRIVATE_PTR_IMPL(data);
5936     }
5937     __attribute__((always_inline)) inline
5938     void setPrivateUint32(uint32 ui) {
5939         data = PRIVATE_UINT32_TO_JSVAL_IMPL(ui);
5940     }
5941     __attribute__((always_inline)) inline
5942     uint32 toPrivateUint32() const {
5943         ((void) 0);
5944         return JSVAL_TO_PRIVATE_UINT32_IMPL(data);
5945     }
5946     __attribute__((always_inline)) inline
5947     uint32 &getPrivateUint32Ref() {
5948         ((void) 0);
5949         return data.s.payload.u32;
5950     }
5951     __attribute__((always_inline)) inline
5952     void setUnmarkedPtr(void *ptr) {
5953         data.asPtr = ptr;
5954     }
5955     __attribute__((always_inline)) inline
5956     void *toUnmarkedPtr() const {
5957         return data.asPtr;
5958     }
5959     const jsuword *payloadWord() const {
5960         return &data.s.payload.word;
5961     }
5962   private:
5963     void staticAssertions() {
5964         typedef int js_static_assert6[(sizeof(JSValueType) == 1) ? 1 : -1];
5965         typedef int js_static_assert7[(sizeof(JSValueTag) == 4) ? 1 : -1];
5966         typedef int js_static_assert8[(sizeof(JSBool) == 4) ? 1 : -1];
5967         typedef int js_static_assert9[(sizeof(JSWhyMagic) <= 4) ? 1 : -1];
5968         typedef int js_static_assert10[(sizeof(jsval) == 8) ? 1 : -1];
5969     }
5970     jsval_layout data;
5971 } __attribute__((aligned (8)));
5972 __attribute__((always_inline)) inline
5973                  bool
5974 SameType(const Value &lhs, const Value &rhs)
5975 {
5976     return JSVAL_SAME_TYPE_IMPL(lhs.data, rhs.data);
5977 }
5978 static __attribute__((always_inline)) inline Value
5979 NullValue()
5980 {
5981     Value v;
5982     v.setNull();
5983     return v;
5984 }
5985 static __attribute__((always_inline)) inline Value
5986 UndefinedValue()
5987 {
5988     Value v;
5989     v.setUndefined();
5990     return v;
5991 }
5992 static __attribute__((always_inline)) inline Value
5993 Int32Value(int32 i32)
5994 {
5995     Value v;
5996     v.setInt32(i32);
5997     return v;
5998 }
5999 static __attribute__((always_inline)) inline Value
6000 DoubleValue(double dbl)
6001 {
6002     Value v;
6003     v.setDouble(dbl);
6004     return v;
6005 }
6006 static __attribute__((always_inline)) inline Value
6007 StringValue(JSString *str)
6008 {
6009     Value v;
6010     v.setString(str);
6011     return v;
6012 }
6013 static __attribute__((always_inline)) inline Value
6014 BooleanValue(bool boo)
6015 {
6016     Value v;
6017     v.setBoolean(boo);
6018     return v;
6019 }
6020 static __attribute__((always_inline)) inline Value
6021 ObjectValue(JSObject &obj)
6022 {
6023     Value v;
6024     v.setObject(obj);
6025     return v;
6026 }
6027 static __attribute__((always_inline)) inline Value
6028 MagicValue(JSWhyMagic why)
6029 {
6030     Value v;
6031     v.setMagic(why);
6032     return v;
6033 }
6034 static __attribute__((always_inline)) inline Value
6035 NumberValue(double dbl)
6036 {
6037     Value v;
6038     v.setNumber(dbl);
6039     return v;
6040 }
6041 static __attribute__((always_inline)) inline Value
6042 ObjectOrNullValue(JSObject *obj)
6043 {
6044     Value v;
6045     v.setObjectOrNull(obj);
6046     return v;
6047 }
6048 static __attribute__((always_inline)) inline Value
6049 PrivateValue(void *ptr)
6050 {
6051     Value v;
6052     v.setPrivate(ptr);
6053     return v;
6054 }
6055 static __attribute__((always_inline)) inline void
6056 ClearValueRange(Value *vec, uintN len, bool useHoles)
6057 {
6058     if (useHoles) {
6059         for (uintN i = 0; i < len; i++)
6060             vec[i].setMagic(JS_ARRAY_HOLE);
6061     } else {
6062         for (uintN i = 0; i < len; i++)
6063             vec[i].setUndefined();
6064     }
6065 }
6066 static inline jsval * Jsvalify(Value *v) { return (jsval *)v; }
6067 static inline const jsval * Jsvalify(const Value *v) { return (const jsval *)v; }
6068 static inline jsval & Jsvalify(Value &v) { return (jsval &)v; }
6069 static inline const jsval & Jsvalify(const Value &v) { return (const jsval &)v; }
6070 static inline Value * Valueify(jsval *v) { return (Value *)v; }
6071 static inline const Value * Valueify(const jsval *v) { return (const Value *)v; }
6072 static inline Value ** Valueify(jsval **v) { return (Value **)v; }
6073 static inline Value & Valueify(jsval &v) { return (Value &)v; }
6074 static inline const Value & Valueify(const jsval &v) { return (const Value &)v; }
6075 struct Class;
6076 typedef JSBool
6077 (* Native)(JSContext *cx, uintN argc, Value *vp);
6078 typedef JSBool
6079 (* PropertyOp)(JSContext *cx, JSObject *obj, jsid id, Value *vp);
6080 typedef JSBool
6081 (* StrictPropertyOp)(JSContext *cx, JSObject *obj, jsid id, JSBool strict, Value *vp);
6082 typedef JSBool
6083 (* ConvertOp)(JSContext *cx, JSObject *obj, JSType type, Value *vp);
6084 typedef JSBool
6085 (* NewEnumerateOp)(JSContext *cx, JSObject *obj, JSIterateOp enum_op,
6086                    Value *statep, jsid *idp);
6087 typedef JSBool
6088 (* HasInstanceOp)(JSContext *cx, JSObject *obj, const Value *v, JSBool *bp);
6089 typedef JSBool
6090 (* CheckAccessOp)(JSContext *cx, JSObject *obj, jsid id, JSAccessMode mode,
6091                   Value *vp);
6092 typedef JSBool
6093 (* EqualityOp)(JSContext *cx, JSObject *obj, const Value *v, JSBool *bp);
6094 typedef JSBool
6095 (* DefinePropOp)(JSContext *cx, JSObject *obj, jsid id, const Value *value,
6096                  PropertyOp getter, StrictPropertyOp setter, uintN attrs);
6097 typedef JSBool
6098 (* PropertyIdOp)(JSContext *cx, JSObject *obj, JSObject *receiver, jsid id, Value *vp);
6099 typedef JSBool
6100 (* StrictPropertyIdOp)(JSContext *cx, JSObject *obj, jsid id, Value *vp, JSBool strict);
6101 typedef JSBool
6102 (* DeleteIdOp)(JSContext *cx, JSObject *obj, jsid id, Value *vp, JSBool strict);
6103 typedef JSBool
6104 (* CallOp)(JSContext *cx, uintN argc, Value *vp);
6105 typedef JSBool
6106 (* LookupPropOp)(JSContext *cx, JSObject *obj, jsid id, JSObject **objp,
6107                  JSProperty **propp);
6108 typedef JSBool
6109 (* AttributesOp)(JSContext *cx, JSObject *obj, jsid id, uintN *attrsp);
6110 typedef JSType
6111 (* TypeOfOp)(JSContext *cx, JSObject *obj);
6112 typedef void
6113 (* TraceOp)(JSTracer *trc, JSObject *obj);
6114 typedef JSObject *
6115 (* ObjectOp)(JSContext *cx, JSObject *obj);
6116 typedef void
6117 (* FinalizeOp)(JSContext *cx, JSObject *obj);
6118 class AutoIdVector;
6119 typedef JSBool
6120 (* FixOp)(JSContext *cx, JSObject *obj, bool *fixed, AutoIdVector *props);
6121 static inline Native Valueify(JSNative f) { return (Native)f; }
6122 static inline JSNative Jsvalify(Native f) { return (JSNative)f; }
6123 static inline PropertyOp Valueify(JSPropertyOp f) { return (PropertyOp)f; }
6124 static inline JSPropertyOp Jsvalify(PropertyOp f) { return (JSPropertyOp)f; }
6125 static inline StrictPropertyOp Valueify(JSStrictPropertyOp f) { return (StrictPropertyOp)f; }
6126 static inline JSStrictPropertyOp Jsvalify(StrictPropertyOp f) { return (JSStrictPropertyOp)f; }
6127 static inline ConvertOp Valueify(JSConvertOp f) { return (ConvertOp)f; }
6128 static inline JSConvertOp Jsvalify(ConvertOp f) { return (JSConvertOp)f; }
6129 static inline NewEnumerateOp Valueify(JSNewEnumerateOp f) { return (NewEnumerateOp)f; }
6130 static inline JSNewEnumerateOp Jsvalify(NewEnumerateOp f) { return (JSNewEnumerateOp)f; }
6131 static inline HasInstanceOp Valueify(JSHasInstanceOp f) { return (HasInstanceOp)f; }
6132 static inline JSHasInstanceOp Jsvalify(HasInstanceOp f) { return (JSHasInstanceOp)f; }
6133 static inline CheckAccessOp Valueify(JSCheckAccessOp f) { return (CheckAccessOp)f; }
6134 static inline JSCheckAccessOp Jsvalify(CheckAccessOp f) { return (JSCheckAccessOp)f; }
6135 static inline EqualityOp Valueify(JSEqualityOp f);
6136 static inline JSEqualityOp Jsvalify(EqualityOp f);
6137 static const PropertyOp PropertyStub = (PropertyOp)JS_PropertyStub;
6138 static const StrictPropertyOp StrictPropertyStub = (StrictPropertyOp)JS_StrictPropertyStub;
6139 static const JSEnumerateOp EnumerateStub = JS_EnumerateStub;
6140 static const JSResolveOp ResolveStub = JS_ResolveStub;
6141 static const ConvertOp ConvertStub = (ConvertOp)JS_ConvertStub;
6142 static const JSFinalizeOp FinalizeStub = JS_FinalizeStub;
6143 struct ClassSizeMeasurement {
6144     const char *name; uint32 flags; PropertyOp addProperty; PropertyOp delProperty; PropertyOp getProperty; StrictPropertyOp setProperty; JSEnumerateOp enumerate; JSResolveOp resolve; ConvertOp convert; JSFinalizeOp finalize; JSClassInternal reserved0; CheckAccessOp checkAccess; Native call; Native construct; JSXDRObjectOp xdrObject; HasInstanceOp hasInstance; JSMarkOp mark;
6145 };
6146 struct ClassExtension {
6147     EqualityOp equality;
6148     JSObjectOp outerObject;
6149     JSObjectOp innerObject;
6150     JSIteratorOp iteratorObject;
6151     void *unused;
6152 };
6153 struct ObjectOps {
6154     js::LookupPropOp lookupProperty;
6155     js::DefinePropOp defineProperty;
6156     js::PropertyIdOp getProperty;
6157     js::StrictPropertyIdOp setProperty;
6158     js::AttributesOp getAttributes;
6159     js::AttributesOp setAttributes;
6160     js::DeleteIdOp deleteProperty;
6161     js::NewEnumerateOp enumerate;
6162     js::TypeOfOp typeOf;
6163     js::TraceOp trace;
6164     js::FixOp fix;
6165     js::ObjectOp thisObject;
6166     js::FinalizeOp clear;
6167 };
6168 struct Class {
6169     const char *name; uint32 flags; PropertyOp addProperty; PropertyOp delProperty; PropertyOp getProperty; StrictPropertyOp setProperty; JSEnumerateOp enumerate; JSResolveOp resolve; ConvertOp convert; JSFinalizeOp finalize; JSClassInternal reserved0; CheckAccessOp checkAccess; Native call; Native construct; JSXDRObjectOp xdrObject; HasInstanceOp hasInstance; JSMarkOp mark;
6170     ClassExtension ext;
6171     ObjectOps ops;
6172     uint8 pad[sizeof(JSClass) - sizeof(ClassSizeMeasurement) -
6173                             sizeof(ClassExtension) - sizeof(ObjectOps)];
6174     static const uint32 NON_NATIVE = (1<<((8 + 8)+4));
6175     bool isNative() const {
6176         return !(flags & NON_NATIVE);
6177     }
6178 };
6179 typedef int js_static_assert11[(__builtin_offsetof (JSClass, name) == __builtin_offsetof (Class, name)) ? 1 : -1];
6180 typedef int js_static_assert12[(__builtin_offsetof (JSClass, flags) == __builtin_offsetof (Class, flags)) ? 1 : -1];
6181 typedef int js_static_assert13[(__builtin_offsetof (JSClass, addProperty) == __builtin_offsetof (Class, addProperty)) ? 1 : -1];
6182 typedef int js_static_assert14[(__builtin_offsetof (JSClass, delProperty) == __builtin_offsetof (Class, delProperty)) ? 1 : -1];
6183 typedef int js_static_assert15[(__builtin_offsetof (JSClass, getProperty) == __builtin_offsetof (Class, getProperty)) ? 1 : -1];
6184 typedef int js_static_assert16[(__builtin_offsetof (JSClass, setProperty) == __builtin_offsetof (Class, setProperty)) ? 1 : -1];
6185 typedef int js_static_assert17[(__builtin_offsetof (JSClass, enumerate) == __builtin_offsetof (Class, enumerate)) ? 1 : -1];
6186 typedef int js_static_assert18[(__builtin_offsetof (JSClass, resolve) == __builtin_offsetof (Class, resolve)) ? 1 : -1];
6187 typedef int js_static_assert19[(__builtin_offsetof (JSClass, convert) == __builtin_offsetof (Class, convert)) ? 1 : -1];
6188 typedef int js_static_assert20[(__builtin_offsetof (JSClass, finalize) == __builtin_offsetof (Class, finalize)) ? 1 : -1];
6189 typedef int js_static_assert21[(__builtin_offsetof (JSClass, reserved0) == __builtin_offsetof (Class, reserved0)) ? 1 : -1];
6190 typedef int js_static_assert22[(__builtin_offsetof (JSClass, checkAccess) == __builtin_offsetof (Class, checkAccess)) ? 1 : -1];
6191 typedef int js_static_assert23[(__builtin_offsetof (JSClass, call) == __builtin_offsetof (Class, call)) ? 1 : -1];
6192 typedef int js_static_assert24[(__builtin_offsetof (JSClass, construct) == __builtin_offsetof (Class, construct)) ? 1 : -1];
6193 typedef int js_static_assert25[(__builtin_offsetof (JSClass, xdrObject) == __builtin_offsetof (Class, xdrObject)) ? 1 : -1];
6194 typedef int js_static_assert26[(__builtin_offsetof (JSClass, hasInstance) == __builtin_offsetof (Class, hasInstance)) ? 1 : -1];
6195 typedef int js_static_assert27[(__builtin_offsetof (JSClass, mark) == __builtin_offsetof (Class, mark)) ? 1 : -1];
6196 typedef int js_static_assert28[(sizeof(JSClass) == sizeof(Class)) ? 1 : -1];
6197 struct PropertyDescriptor {
6198     JSObject *obj;
6199     uintN attrs;
6200     PropertyOp getter;
6201     StrictPropertyOp setter;
6202     Value value;
6203     uintN shortid;
6204 };
6205 typedef int js_static_assert29[(__builtin_offsetof (JSPropertyDescriptor, obj) == __builtin_offsetof (PropertyDescriptor, obj)) ? 1 : -1];
6206 typedef int js_static_assert30[(__builtin_offsetof (JSPropertyDescriptor, attrs) == __builtin_offsetof (PropertyDescriptor, attrs)) ? 1 : -1];
6207 typedef int js_static_assert31[(__builtin_offsetof (JSPropertyDescriptor, getter) == __builtin_offsetof (PropertyDescriptor, getter)) ? 1 : -1];
6208 typedef int js_static_assert32[(__builtin_offsetof (JSPropertyDescriptor, setter) == __builtin_offsetof (PropertyDescriptor, setter)) ? 1 : -1];
6209 typedef int js_static_assert33[(__builtin_offsetof (JSPropertyDescriptor, value) == __builtin_offsetof (PropertyDescriptor, value)) ? 1 : -1];
6210 typedef int js_static_assert34[(__builtin_offsetof (JSPropertyDescriptor, shortid) == __builtin_offsetof (PropertyDescriptor, shortid)) ? 1 : -1];
6211 typedef int js_static_assert35[(sizeof(JSPropertyDescriptor) == sizeof(PropertyDescriptor)) ? 1 : -1];
6212 static __attribute__((always_inline)) inline JSClass * Jsvalify(Class *c) { return (JSClass *)c; }
6213 static __attribute__((always_inline)) inline Class * Valueify(JSClass *c) { return (Class *)c; }
6214 static __attribute__((always_inline)) inline JSPropertyDescriptor * Jsvalify(PropertyDescriptor *p) { return (JSPropertyDescriptor *) p; }
6215 static __attribute__((always_inline)) inline PropertyDescriptor * Valueify(JSPropertyDescriptor *p) { return (PropertyDescriptor *) p; }
6216 typedef js::Value ValueArgType;
6217 static __attribute__((always_inline)) inline const Value &
6218 ValueArgToConstRef(const Value &v)
6219 {
6220     return v;
6221 }
6222 static __attribute__((always_inline)) inline void
6223 MakeRangeGCSafe(Value *vec, size_t len)
6224 {
6225     PodZero(vec, len);
6226 }
6227 static __attribute__((always_inline)) inline void
6228 MakeRangeGCSafe(Value *beg, Value *end)
6229 {
6230     PodZero(beg, end - beg);
6231 }
6232 static __attribute__((always_inline)) inline void
6233 MakeRangeGCSafe(jsid *beg, jsid *end)
6234 {
6235     for (jsid *id = beg; id != end; ++id)
6236         *id = INT_TO_JSID(0);
6237 }
6238 static __attribute__((always_inline)) inline void
6239 MakeRangeGCSafe(jsid *vec, size_t len)
6240 {
6241     MakeRangeGCSafe(vec, vec + len);
6242 }
6243 static __attribute__((always_inline)) inline void
6244 MakeRangeGCSafe(const Shape **beg, const Shape **end)
6245 {
6246     PodZero(beg, end - beg);
6247 }
6248 static __attribute__((always_inline)) inline void
6249 MakeRangeGCSafe(const Shape **vec, size_t len)
6250 {
6251     PodZero(vec, len);
6252 }
6253 static __attribute__((always_inline)) inline void
6254 SetValueRangeToUndefined(Value *beg, Value *end)
6255 {
6256     for (Value *v = beg; v != end; ++v)
6257         v->setUndefined();
6258 }
6259 static __attribute__((always_inline)) inline void
6260 SetValueRangeToUndefined(Value *vec, size_t len)
6261 {
6262     SetValueRangeToUndefined(vec, vec + len);
6263 }
6264 static __attribute__((always_inline)) inline void
6265 SetValueRangeToNull(Value *beg, Value *end)
6266 {
6267     for (Value *v = beg; v != end; ++v)
6268         v->setNull();
6269 }
6270 static __attribute__((always_inline)) inline void
6271 SetValueRangeToNull(Value *vec, size_t len)
6272 {
6273     SetValueRangeToNull(vec, vec + len);
6274 }
6275 static __attribute__((always_inline)) inline void
6276 Debug_SetValueRangeToCrashOnTouch(Value *beg, Value *end)
6277 {
6278 }
6279 static __attribute__((always_inline)) inline void
6280 Debug_SetValueRangeToCrashOnTouch(Value *vec, size_t len)
6281 {
6282 }
6283 }
6284 namespace js {
6285 template <class T, size_t N, class AP, bool IsPod>
6286 struct VectorImpl
6287 {
6288     static inline void destroy(T *begin, T *end) {
6289         for (T *p = begin; p != end; ++p)
6290             p->~T();
6291     }
6292     static inline void initialize(T *begin, T *end) {
6293         for (T *p = begin; p != end; ++p)
6294             new(p) T();
6295     }
6296     template <class U>
6297     static inline void copyConstruct(T *dst, const U *srcbeg, const U *srcend) {
6298         for (const U *p = srcbeg; p != srcend; ++p, ++dst)
6299             new(dst) T(*p);
6300     }
6301     template <class U>
6302     static inline void copyConstructN(T *dst, size_t n, const U &u) {
6303         for (T *end = dst + n; dst != end; ++dst)
6304             new(dst) T(u);
6305     }
6306     static inline bool growTo(Vector<T,N,AP> &v, size_t newcap) {
6307         ((void) 0);
6308         T *newbuf = reinterpret_cast<T *>(v.malloc(newcap * sizeof(T)));
6309         if (!newbuf)
6310             return false;
6311         for (T *dst = newbuf, *src = v.beginNoCheck(); src != v.endNoCheck(); ++dst, ++src)
6312             new(dst) T(*src);
6313         VectorImpl::destroy(v.beginNoCheck(), v.endNoCheck());
6314         v.free(v.mBegin);
6315         v.mBegin = newbuf;
6316         v.mCapacity = newcap;
6317         return true;
6318     }
6319 };
6320 template <class T, size_t N, class AP>
6321 struct VectorImpl<T, N, AP, true>
6322 {
6323     static inline void destroy(T *, T *) {}
6324     static inline void initialize(T *begin, T *end) {
6325         for (T *p = begin; p != end; ++p)
6326             new(p) T();
6327     }
6328     template <class U>
6329     static inline void copyConstruct(T *dst, const U *srcbeg, const U *srcend) {
6330         for (const U *p = srcbeg; p != srcend; ++p, ++dst)
6331             *dst = *p;
6332     }
6333     static inline void copyConstructN(T *dst, size_t n, const T &t) {
6334         for (T *p = dst, *end = dst + n; p != end; ++p)
6335             *p = t;
6336     }
6337     static inline bool growTo(Vector<T,N,AP> &v, size_t newcap) {
6338         ((void) 0);
6339         size_t bytes = sizeof(T) * newcap;
6340         T *newbuf = reinterpret_cast<T *>(v.realloc(v.mBegin, bytes));
6341         if (!newbuf)
6342             return false;
6343         v.mBegin = newbuf;
6344         v.mCapacity = newcap;
6345         return true;
6346     }
6347 };
6348 template <class T, size_t N, class AllocPolicy>
6349 class Vector : AllocPolicy
6350 {
6351     static const bool sElemIsPod = tl::IsPodType<T>::result;
6352     typedef VectorImpl<T, N, AllocPolicy, sElemIsPod> Impl;
6353     friend struct VectorImpl<T, N, AllocPolicy, sElemIsPod>;
6354     bool calculateNewCapacity(size_t curLength, size_t lengthInc, size_t &newCap);
6355     bool growStorageBy(size_t lengthInc);
6356     bool growHeapStorageBy(size_t lengthInc);
6357     bool convertToHeapStorage(size_t lengthInc);
6358     template <bool InitNewElems> inline bool growByImpl(size_t inc);
6359     static const int sMaxInlineBytes = 1024;
6360     static const size_t sInlineCapacity =
6361         tl::Min<N, sMaxInlineBytes / sizeof(T)>::result;
6362     static const size_t sInlineBytes =
6363         tl::Max<1, sInlineCapacity * sizeof(T)>::result;
6364     T *mBegin;
6365     size_t mLength;
6366     size_t mCapacity;
6367     AlignedStorage<sInlineBytes> storage;
6368     Vector(const Vector &);
6369     Vector &operator=(const Vector &);
6370     bool usingInlineStorage() const {
6371         return mBegin == (T *)storage.addr();
6372     }
6373     T *beginNoCheck() const {
6374         return mBegin;
6375     }
6376     T *endNoCheck() {
6377         return mBegin + mLength;
6378     }
6379     const T *endNoCheck() const {
6380         return mBegin + mLength;
6381     }
6382   public:
6383     typedef T ElementType;
6384     Vector(AllocPolicy = AllocPolicy());
6385     ~Vector();
6386     const AllocPolicy &allocPolicy() const {
6387         return *this;
6388     }
6389     enum { InlineLength = N };
6390     size_t length() const {
6391         return mLength;
6392     }
6393     bool empty() const {
6394         return mLength == 0;
6395     }
6396     size_t capacity() const {
6397         return mCapacity;
6398     }
6399     T *begin() const {
6400         ((void) 0);
6401         return mBegin;
6402     }
6403     T *end() {
6404         ((void) 0);
6405         return mBegin + mLength;
6406     }
6407     const T *end() const {
6408         ((void) 0);
6409         return mBegin + mLength;
6410     }
6411     T &operator[](size_t i) {
6412         ((void) 0);
6413         return begin()[i];
6414     }
6415     const T &operator[](size_t i) const {
6416         ((void) 0);
6417         return begin()[i];
6418     }
6419     T &back() {
6420         ((void) 0);
6421         return *(end() - 1);
6422     }
6423     const T &back() const {
6424         ((void) 0);
6425         return *(end() - 1);
6426     }
6427     bool reserve(size_t capacity);
6428     void shrinkBy(size_t incr);
6429     bool growBy(size_t incr);
6430     bool resize(size_t newLength);
6431     bool growByUninitialized(size_t incr);
6432     bool resizeUninitialized(size_t newLength);
6433     void clear();
6434     bool append(const T &t);
6435     bool appendN(const T &t, size_t n);
6436     template <class U> bool append(const U *begin, const U *end);
6437     template <class U> bool append(const U *begin, size_t length);
6438     template <class U, size_t O, class BP> bool append(const Vector<U,O,BP> &other);
6439     void popBack();
6440     T popCopy();
6441     T *extractRawBuffer();
6442     void replaceRawBuffer(T *p, size_t length);
6443     bool insert(T *p, const T &val);
6444     void erase(T *t);
6445 };
6446 template <class T, size_t N, class AllocPolicy>
6447 __attribute__((always_inline)) inline
6448 Vector<T,N,AllocPolicy>::Vector(AllocPolicy ap)
6449   : AllocPolicy(ap), mBegin((T *)storage.addr()), mLength(0),
6450     mCapacity(sInlineCapacity)
6451 {}
6452 template <class T, size_t N, class AP>
6453 __attribute__((always_inline)) inline
6454 Vector<T,N,AP>::~Vector()
6455 {
6456     ReentrancyGuard g(*this); ((void) 0); ((void) 0);
6457     Impl::destroy(beginNoCheck(), endNoCheck());
6458     if (!usingInlineStorage())
6459         this->free(beginNoCheck());
6460 }
6461 template <class T, size_t N, class AP>
6462 inline
6463        bool
6464 Vector<T,N,AP>::calculateNewCapacity(size_t curLength, size_t lengthInc,
6465                                      size_t &newCap)
6466 {
6467     size_t newMinCap = curLength + lengthInc;
6468     if (newMinCap < curLength ||
6469         newMinCap & tl::MulOverflowMask<2 * sizeof(T)>::result) {
6470         this->reportAllocOverflow();
6471         return false;
6472     }
6473     newCap = RoundUpPow2(newMinCap);
6474     if (newCap & tl::UnsafeRangeSizeMask<T>::result) {
6475         this->reportAllocOverflow();
6476         return false;
6477     }
6478     return true;
6479 }
6480 template <class T, size_t N, class AP>
6481 __attribute__((always_inline)) inline
6482                  bool
6483 Vector<T,N,AP>::growHeapStorageBy(size_t lengthInc)
6484 {
6485     ((void) 0);
6486     size_t newCap;
6487     return calculateNewCapacity(mLength, lengthInc, newCap) &&
6488            Impl::growTo(*this, newCap);
6489 }
6490 template <class T, size_t N, class AP>
6491 inline
6492        bool
6493 Vector<T,N,AP>::convertToHeapStorage(size_t lengthInc)
6494 {
6495     ((void) 0);
6496     size_t newCap;
6497     if (!calculateNewCapacity(mLength, lengthInc, newCap))
6498         return false;
6499     T *newBuf = reinterpret_cast<T *>(this->malloc(newCap * sizeof(T)));
6500     if (!newBuf)
6501         return false;
6502     Impl::copyConstruct(newBuf, beginNoCheck(), endNoCheck());
6503     Impl::destroy(beginNoCheck(), endNoCheck());
6504     mBegin = newBuf;
6505     mCapacity = newCap;
6506     return true;
6507 }
6508 template <class T, size_t N, class AP>
6509 __attribute__((noinline))
6510                 bool
6511 Vector<T,N,AP>::growStorageBy(size_t incr)
6512 {
6513     ((void) 0);
6514     return usingInlineStorage()
6515          ? convertToHeapStorage(incr)
6516          : growHeapStorageBy(incr);
6517 }
6518 template <class T, size_t N, class AP>
6519 inline
6520        bool
6521 Vector<T,N,AP>::reserve(size_t request)
6522 {
6523     ReentrancyGuard g(*this); ((void) 0); ((void) 0);
6524     if (request > mCapacity)
6525         return growStorageBy(request - mLength);
6526     return true;
6527 }
6528 template <class T, size_t N, class AP>
6529 inline void
6530 Vector<T,N,AP>::shrinkBy(size_t incr)
6531 {
6532     ReentrancyGuard g(*this); ((void) 0); ((void) 0);
6533     ((void) 0);
6534     Impl::destroy(endNoCheck() - incr, endNoCheck());
6535     mLength -= incr;
6536 }
6537 template <class T, size_t N, class AP>
6538 template <bool InitNewElems>
6539 __attribute__((always_inline)) inline
6540                  bool
6541 Vector<T,N,AP>::growByImpl(size_t incr)
6542 {
6543     ReentrancyGuard g(*this); ((void) 0); ((void) 0);
6544     if (incr > mCapacity - mLength && !growStorageBy(incr))
6545         return false;
6546     ((void) 0);
6547     T *newend = endNoCheck() + incr;
6548     if (InitNewElems)
6549         Impl::initialize(endNoCheck(), newend);
6550     mLength += incr;
6551     return true;
6552 }
6553 template <class T, size_t N, class AP>
6554 __attribute__((always_inline)) inline
6555                  bool
6556 Vector<T,N,AP>::growBy(size_t incr)
6557 {
6558     return growByImpl<true>(incr);
6559 }
6560 template <class T, size_t N, class AP>
6561 __attribute__((always_inline)) inline
6562                  bool
6563 Vector<T,N,AP>::growByUninitialized(size_t incr)
6564 {
6565     return growByImpl<false>(incr);
6566 }
6567 template <class T, size_t N, class AP>
6568 inline
6569        bool
6570 Vector<T,N,AP>::resize(size_t newLength)
6571 {
6572     size_t curLength = mLength;
6573     if (newLength > curLength)
6574         return growBy(newLength - curLength);
6575     shrinkBy(curLength - newLength);
6576     return true;
6577 }
6578 template <class T, size_t N, class AP>
6579 __attribute__((always_inline)) inline
6580                  bool
6581 Vector<T,N,AP>::resizeUninitialized(size_t newLength)
6582 {
6583     size_t curLength = mLength;
6584     if (newLength > curLength)
6585         return growByUninitialized(newLength - curLength);
6586     shrinkBy(curLength - newLength);
6587     return true;
6588 }
6589 template <class T, size_t N, class AP>
6590 inline void
6591 Vector<T,N,AP>::clear()
6592 {
6593     ReentrancyGuard g(*this); ((void) 0); ((void) 0);
6594     Impl::destroy(beginNoCheck(), endNoCheck());
6595     mLength = 0;
6596 }
6597 template <class T, size_t N, class AP>
6598 __attribute__((always_inline)) inline
6599                  bool
6600 Vector<T,N,AP>::append(const T &t)
6601 {
6602     ReentrancyGuard g(*this); ((void) 0); ((void) 0);
6603     if (mLength == mCapacity && !growStorageBy(1))
6604         return false;
6605     ((void) 0);
6606     new(endNoCheck()) T(t);
6607     ++mLength;
6608     return true;
6609 }
6610 template <class T, size_t N, class AP>
6611 __attribute__((always_inline)) inline
6612                  bool
6613 Vector<T,N,AP>::appendN(const T &t, size_t needed)
6614 {
6615     ReentrancyGuard g(*this); ((void) 0); ((void) 0);
6616     if (mLength + needed > mCapacity && !growStorageBy(needed))
6617         return false;
6618     ((void) 0);
6619     Impl::copyConstructN(endNoCheck(), needed, t);
6620     mLength += needed;
6621     return true;
6622 }
6623 template <class T, size_t N, class AP>
6624 inline
6625        bool
6626 Vector<T,N,AP>::insert(T *p, const T &val)
6627 {
6628     ((void) 0);
6629     size_t pos = p - begin();
6630     ((void) 0);
6631     size_t oldLength = mLength;
6632     if (pos == oldLength)
6633         return append(val);
6634     {
6635         T oldBack = back();
6636         if (!append(oldBack))
6637             return false;
6638     }
6639     for (size_t i = oldLength; i > pos; --i)
6640         (*this)[i] = (*this)[i - 1];
6641     (*this)[pos] = val;
6642     return true;
6643 }
6644 template<typename T, size_t N, class AP>
6645 inline void
6646 Vector<T,N,AP>::erase(T *it)
6647 {
6648     ((void) 0);
6649     while (it + 1 != end()) {
6650         *it = *(it + 1);
6651         ++it;
6652     }
6653     popBack();
6654 }
6655 template <class T, size_t N, class AP>
6656 template <class U>
6657 __attribute__((always_inline)) inline
6658                  bool
6659 Vector<T,N,AP>::append(const U *insBegin, const U *insEnd)
6660 {
6661     ReentrancyGuard g(*this); ((void) 0); ((void) 0);
6662     size_t needed = PointerRangeSize(insBegin, insEnd);
6663     if (mLength + needed > mCapacity && !growStorageBy(needed))
6664         return false;
6665     ((void) 0);
6666     Impl::copyConstruct(endNoCheck(), insBegin, insEnd);
6667     mLength += needed;
6668     return true;
6669 }
6670 template <class T, size_t N, class AP>
6671 template <class U, size_t O, class BP>
6672 inline
6673        bool
6674 Vector<T,N,AP>::append(const Vector<U,O,BP> &other)
6675 {
6676     return append(other.begin(), other.end());
6677 }
6678 template <class T, size_t N, class AP>
6679 template <class U>
6680 __attribute__((always_inline)) inline
6681                  bool
6682 Vector<T,N,AP>::append(const U *insBegin, size_t length)
6683 {
6684     return this->append(insBegin, insBegin + length);
6685 }
6686 template <class T, size_t N, class AP>
6687 __attribute__((always_inline)) inline void
6688 Vector<T,N,AP>::popBack()
6689 {
6690     ReentrancyGuard g(*this); ((void) 0); ((void) 0);
6691     ((void) 0);
6692     --mLength;
6693     endNoCheck()->~T();
6694 }
6695 template <class T, size_t N, class AP>
6696 __attribute__((always_inline)) inline T
6697 Vector<T,N,AP>::popCopy()
6698 {
6699     T ret = back();
6700     popBack();
6701     return ret;
6702 }
6703 template <class T, size_t N, class AP>
6704 inline T *
6705 Vector<T,N,AP>::extractRawBuffer()
6706 {
6707     T *ret;
6708     if (usingInlineStorage()) {
6709         ret = reinterpret_cast<T *>(this->malloc(mLength * sizeof(T)));
6710         if (!ret)
6711             return __null;
6712         Impl::copyConstruct(ret, beginNoCheck(), endNoCheck());
6713         Impl::destroy(beginNoCheck(), endNoCheck());
6714         mLength = 0;
6715     } else {
6716         ret = mBegin;
6717         mBegin = (T *)storage.addr();
6718         mLength = 0;
6719         mCapacity = sInlineCapacity;
6720     }
6721     return ret;
6722 }
6723 template <class T, size_t N, class AP>
6724 inline void
6725 Vector<T,N,AP>::replaceRawBuffer(T *p, size_t length)
6726 {
6727     ReentrancyGuard g(*this); ((void) 0); ((void) 0);
6728     Impl::destroy(beginNoCheck(), endNoCheck());
6729     if (!usingInlineStorage())
6730         this->free(beginNoCheck());
6731     if (length <= sInlineCapacity) {
6732         mBegin = (T *)storage.addr();
6733         mLength = length;
6734         mCapacity = sInlineCapacity;
6735         Impl::copyConstruct(mBegin, p, p + length);
6736         Impl::destroy(p, p + length);
6737         this->free(p);
6738     } else {
6739         mBegin = p;
6740         mLength = length;
6741         mCapacity = length;
6742     }
6743 }
6744 }
6745 struct JSCompartment;
6746 namespace js {
6747 namespace gc {
6748 template <typename T> struct Arena;
6749 struct ArenaBitmap;
6750 struct MarkingDelay;
6751 struct Chunk;
6752 struct FreeCell;
6753 struct Cell {
6754     static const size_t CellShift = 3;
6755     static const size_t CellSize = size_t(1) << CellShift;
6756     static const size_t CellMask = CellSize - 1;
6757     inline Arena<Cell> *arena() const;
6758     inline Chunk *chunk() const;
6759     inline ArenaBitmap *bitmap() const;
6760     __attribute__((always_inline)) inline size_t cellIndex() const;
6761     __attribute__((always_inline)) inline bool isMarked(uint32 color) const;
6762     __attribute__((always_inline)) inline bool markIfUnmarked(uint32 color) const;
6763     __attribute__((always_inline)) inline void unmark(uint32 color) const;
6764     inline JSCompartment *compartment() const;
6765     __attribute__((always_inline)) inline js::gc::Cell *asCell() { return this; }
6766     __attribute__((always_inline)) inline js::gc::FreeCell *asFreeCell() {
6767         return reinterpret_cast<FreeCell *>(this);
6768     }
6769 };
6770 struct FreeCell : Cell {
6771     union {
6772         FreeCell *link;
6773         double data;
6774     };
6775 };
6776 typedef int js_static_assert36[(sizeof(FreeCell) == 8) ? 1 : -1];
6777 }
6778 }
6779 namespace js {
6780 class JSProxyHandler;
6781 class AutoPropDescArrayRooter;
6782 namespace mjit {
6783 class Compiler;
6784 }
6785 static inline PropertyOp
6786 CastAsPropertyOp(JSObject *object)
6787 {
6788     return (__extension__ (PropertyOp) (size_t) (object));
6789 }
6790 static inline StrictPropertyOp
6791 CastAsStrictPropertyOp(JSObject *object)
6792 {
6793     return (__extension__ (StrictPropertyOp) (size_t) (object));
6794 }
6795 static inline JSPropertyOp
6796 CastAsJSPropertyOp(JSObject *object)
6797 {
6798     return (__extension__ (JSPropertyOp) (size_t) (object));
6799 }
6800 static inline JSStrictPropertyOp
6801 CastAsJSStrictPropertyOp(JSObject *object)
6802 {
6803     return (__extension__ (JSStrictPropertyOp) (size_t) (object));
6804 }
6805 inline JSObject *
6806 CastAsObject(PropertyOp op)
6807 {
6808     return (__extension__ (JSObject *) (size_t) (op));
6809 }
6810 inline JSObject *
6811 CastAsObject(StrictPropertyOp op)
6812 {
6813     return (__extension__ (JSObject *) (size_t) (op));
6814 }
6815 inline Value
6816 CastAsObjectJsval(PropertyOp op)
6817 {
6818     return ObjectOrNullValue(CastAsObject(op));
6819 }
6820 inline Value
6821 CastAsObjectJsval(StrictPropertyOp op)
6822 {
6823     return ObjectOrNullValue(CastAsObject(op));
6824 }
6825 }
6826 struct PropDesc {
6827     friend class js::AutoPropDescArrayRooter;
6828     PropDesc();
6829   public:
6830     bool initialize(JSContext* cx, jsid id, const js::Value &v);
6831     bool isAccessorDescriptor() const {
6832         return hasGet || hasSet;
6833     }
6834     bool isDataDescriptor() const {
6835         return hasValue || hasWritable;
6836     }
6837     bool isGenericDescriptor() const {
6838         return !isAccessorDescriptor() && !isDataDescriptor();
6839     }
6840     bool configurable() const {
6841         return (attrs & 0x04) == 0;
6842     }
6843     bool enumerable() const {
6844         return (attrs & 0x01) != 0;
6845     }
6846     bool writable() const {
6847         return (attrs & 0x02) == 0;
6848     }
6849     JSObject* getterObject() const {
6850         return get.isUndefined() ? __null : &get.toObject();
6851     }
6852     JSObject* setterObject() const {
6853         return set.isUndefined() ? __null : &set.toObject();
6854     }
6855     const js::Value &getterValue() const {
6856         return get;
6857     }
6858     const js::Value &setterValue() const {
6859         return set;
6860     }
6861     js::PropertyOp getter() const {
6862         return js::CastAsPropertyOp(getterObject());
6863     }
6864     js::StrictPropertyOp setter() const {
6865         return js::CastAsStrictPropertyOp(setterObject());
6866     }
6867     js::Value pd;
6868     jsid id;
6869     js::Value value, get, set;
6870     uint8 attrs;
6871     bool hasGet : 1;
6872     bool hasSet : 1;
6873     bool hasValue : 1;
6874     bool hasWritable : 1;
6875     bool hasEnumerable : 1;
6876     bool hasConfigurable : 1;
6877 };
6878 namespace js {
6879 typedef Vector<PropDesc, 1> PropDescArray;
6880 }
6881 struct JSObjectMap {
6882     uint32 shape;
6883     uint32 slotSpan;
6884     static __attribute__((visibility ("default"))) const JSObjectMap sharedNonNative;
6885     explicit JSObjectMap(uint32 shape) : shape(shape), slotSpan(0) {}
6886     JSObjectMap(uint32 shape, uint32 slotSpan) : shape(shape), slotSpan(slotSpan) {}
6887     enum { INVALID_SHAPE = 0x8fffffff, SHAPELESS = 0xffffffff };
6888     bool isNative() const { return this != &sharedNonNative; }
6889   private:
6890     JSObjectMap(JSObjectMap &);
6891     void operator=(JSObjectMap &);
6892 };
6893 extern __attribute__((visibility ("default"))) JSBool
6894 js_LookupProperty(JSContext *cx, JSObject *obj, jsid id, JSObject **objp,
6895                   JSProperty **propp);
6896 extern JSBool
6897 js_DefineProperty(JSContext *cx, JSObject *obj, jsid id, const js::Value *value,
6898                   js::PropertyOp getter, js::StrictPropertyOp setter, uintN attrs);
6899 extern JSBool
6900 js_GetProperty(JSContext *cx, JSObject *obj, JSObject *receiver, jsid id, js::Value *vp);
6901 inline JSBool
6902 js_GetProperty(JSContext *cx, JSObject *obj, jsid id, js::Value *vp)
6903 {
6904     return js_GetProperty(cx, obj, obj, id, vp);
6905 }
6906 namespace js {
6907 extern JSBool
6908 GetPropertyDefault(JSContext *cx, JSObject *obj, jsid id, const Value &def, Value *vp);
6909 }
6910 extern JSBool
6911 js_SetProperty(JSContext *cx, JSObject *obj, jsid id, js::Value *vp, JSBool strict);
6912 extern JSBool
6913 js_GetAttributes(JSContext *cx, JSObject *obj, jsid id, uintN *attrsp);
6914 extern JSBool
6915 js_SetAttributes(JSContext *cx, JSObject *obj, jsid id, uintN *attrsp);
6916 extern JSBool
6917 js_DeleteProperty(JSContext *cx, JSObject *obj, jsid id, js::Value *rval, JSBool strict);
6918 extern __attribute__((visibility ("default"))) JSBool
6919 js_Enumerate(JSContext *cx, JSObject *obj, JSIterateOp enum_op,
6920              js::Value *statep, jsid *idp);
6921 extern JSType
6922 js_TypeOf(JSContext *cx, JSObject *obj);
6923 namespace js {
6924 struct NativeIterator;
6925 }
6926 struct JSFunction;
6927 namespace nanojit {
6928 class ValidateWriter;
6929 }
6930 struct JSObject : js::gc::Cell {
6931     friend class js::TraceRecorder;
6932     friend class nanojit::ValidateWriter;
6933     friend class GetPropCompiler;
6934     union {
6935         js::Shape *lastProp;
6936         JSObjectMap *map;
6937     };
6938     js::Class *clasp;
6939   private:
6940     inline void setLastProperty(const js::Shape *shape);
6941     inline void removeLastProperty();
6942   public:
6943     inline const js::Shape *lastProperty() const;
6944     inline js::Shape **nativeSearch(jsid id, bool adding = false);
6945     inline const js::Shape *nativeLookup(jsid id);
6946     inline bool nativeContains(jsid id);
6947     inline bool nativeContains(const js::Shape &shape);
6948     enum {
6949         DELEGATE = 0x01,
6950         SYSTEM = 0x02,
6951         NOT_EXTENSIBLE = 0x04,
6952         BRANDED = 0x08,
6953         GENERIC = 0x10,
6954         METHOD_BARRIER = 0x20,
6955         INDEXED = 0x40,
6956         OWN_SHAPE = 0x80,
6957         BOUND_FUNCTION = 0x100,
6958         HAS_EQUALITY = 0x200,
6959         METHOD_THRASH_COUNT_MASK = 0xc00,
6960         METHOD_THRASH_COUNT_SHIFT = 10,
6961         METHOD_THRASH_COUNT_MAX = METHOD_THRASH_COUNT_MASK >> METHOD_THRASH_COUNT_SHIFT
6962     };
6963     enum {
6964         NSLOTS_BITS = 29,
6965         NSLOTS_LIMIT = ((JSUint32)1 << (NSLOTS_BITS))
6966     };
6967     uint32 flags;
6968     uint32 objShape;
6969     js::EmptyShape **emptyShapes;
6970     JSObject *proto;
6971     JSObject *parent;
6972     void *privateData;
6973     jsuword capacity;
6974     js::Value *slots;
6975     inline bool canProvideEmptyShape(js::Class *clasp);
6976     inline js::EmptyShape *getEmptyShape(JSContext *cx, js::Class *aclasp,
6977                                                                 unsigned kind);
6978     bool isNative() const { return map->isNative(); }
6979     js::Class *getClass() const { return clasp; }
6980     JSClass *getJSClass() const { return Jsvalify(clasp); }
6981     bool hasClass(const js::Class *c) const {
6982         return c == clasp;
6983     }
6984     const js::ObjectOps *getOps() const {
6985         return &getClass()->ops;
6986     }
6987     inline void trace(JSTracer *trc);
6988     uint32 shape() const {
6989         ((void) 0);
6990         return objShape;
6991     }
6992     bool isDelegate() const { return !!(flags & DELEGATE); }
6993     void setDelegate() { flags |= DELEGATE; }
6994     void clearDelegate() { flags &= ~DELEGATE; }
6995     bool isBoundFunction() const { return !!(flags & BOUND_FUNCTION); }
6996     static void setDelegateNullSafe(JSObject *obj) {
6997         if (obj)
6998             obj->setDelegate();
6999     }
7000     bool isSystem() const { return !!(flags & SYSTEM); }
7001     void setSystem() { flags |= SYSTEM; }
7002     bool branded() { return !!(flags & BRANDED); }
7003     bool brand(JSContext *cx);
7004     bool unbrand(JSContext *cx);
7005     bool generic() { return !!(flags & GENERIC); }
7006     void setGeneric() { flags |= GENERIC; }
7007     uintN getMethodThrashCount() const {
7008         return (flags & METHOD_THRASH_COUNT_MASK) >> METHOD_THRASH_COUNT_SHIFT;
7009     }
7010     void setMethodThrashCount(uintN count) {
7011         ((void) 0);
7012         flags = (flags & ~METHOD_THRASH_COUNT_MASK) | (count << METHOD_THRASH_COUNT_SHIFT);
7013     }
7014     bool hasSpecialEquality() const { return !!(flags & HAS_EQUALITY); }
7015     void assertSpecialEqualitySynced() const {
7016         ((void) 0);
7017     }
7018     inline void syncSpecialEquality();
7019   private:
7020     void generateOwnShape(JSContext *cx);
7021     void setOwnShape(uint32 s) { flags |= OWN_SHAPE; objShape = s; }
7022     void clearOwnShape() { flags &= ~OWN_SHAPE; objShape = map->shape; }
7023   public:
7024     inline bool nativeEmpty() const;
7025     bool hasOwnShape() const { return !!(flags & OWN_SHAPE); }
7026     void setMap(const JSObjectMap *amap) {
7027         ((void) 0);
7028         map = const_cast<JSObjectMap *>(amap);
7029         objShape = map->shape;
7030     }
7031     void setSharedNonNativeMap() {
7032         setMap(&JSObjectMap::sharedNonNative);
7033     }
7034     void deletingShapeChange(JSContext *cx, const js::Shape &shape);
7035     const js::Shape *methodShapeChange(JSContext *cx, const js::Shape &shape);
7036     bool methodShapeChange(JSContext *cx, uint32 slot);
7037     void protoShapeChange(JSContext *cx);
7038     void shadowingShapeChange(JSContext *cx, const js::Shape &shape);
7039     bool globalObjectOwnShapeChange(JSContext *cx);
7040     void watchpointOwnShapeChange(JSContext *cx) { generateOwnShape(cx); }
7041     void extensibleShapeChange(JSContext *cx) {
7042         generateOwnShape(cx);
7043     }
7044     bool hasMethodBarrier() { return !!(flags & METHOD_BARRIER); }
7045     void setMethodBarrier() { flags |= METHOD_BARRIER; }
7046     bool brandedOrHasMethodBarrier() { return !!(flags & (BRANDED | METHOD_BARRIER)); }
7047     const js::Shape *methodReadBarrier(JSContext *cx, const js::Shape &shape, js::Value *vp);
7048     const js::Shape *methodWriteBarrier(JSContext *cx, const js::Shape &shape, const js::Value &v);
7049     bool methodWriteBarrier(JSContext *cx, uint32 slot, const js::Value &v);
7050     bool isIndexed() const { return !!(flags & INDEXED); }
7051     void setIndexed() { flags |= INDEXED; }
7052     inline bool inDictionaryMode() const;
7053     inline uint32 propertyCount() const;
7054     inline bool hasPropertyTable() const;
7055                            unsigned finalizeKind() const;
7056     uint32 numSlots() const { return capacity; }
7057     size_t slotsAndStructSize(uint32 nslots) const;
7058     size_t slotsAndStructSize() const { return slotsAndStructSize(numSlots()); }
7059     inline js::Value* fixedSlots() const;
7060     inline size_t numFixedSlots() const;
7061     static inline size_t getFixedSlotOffset(size_t slot);
7062   public:
7063     static const uint32 SLOT_CAPACITY_MIN = 8;
7064     bool allocSlots(JSContext *cx, size_t nslots);
7065     bool growSlots(JSContext *cx, size_t nslots);
7066     void shrinkSlots(JSContext *cx, size_t nslots);
7067     bool ensureSlots(JSContext *cx, size_t nslots) {
7068         if (numSlots() < nslots)
7069             return growSlots(cx, nslots);
7070         return true;
7071     }
7072     bool ensureInstanceReservedSlots(JSContext *cx, size_t nreserved);
7073     js::Value *getSlots() const {
7074         return slots;
7075     }
7076     bool ensureClassReservedSlotsForEmptyObject(JSContext *cx);
7077     inline bool ensureClassReservedSlots(JSContext *cx);
7078     uint32 slotSpan() const { return map->slotSpan; }
7079     bool containsSlot(uint32 slot) const { return slot < slotSpan(); }
7080     js::Value& getSlotRef(uintN slot) {
7081         ((void) 0);
7082         return slots[slot];
7083     }
7084     js::Value &nativeGetSlotRef(uintN slot) {
7085         ((void) 0);
7086         ((void) 0);
7087         return getSlotRef(slot);
7088     }
7089     const js::Value &getSlot(uintN slot) const {
7090         ((void) 0);
7091         return slots[slot];
7092     }
7093     const js::Value &nativeGetSlot(uintN slot) const {
7094         ((void) 0);
7095         ((void) 0);
7096         return getSlot(slot);
7097     }
7098     void setSlot(uintN slot, const js::Value &value) {
7099         ((void) 0);
7100         slots[slot] = value;
7101     }
7102     void nativeSetSlot(uintN slot, const js::Value &value) {
7103         ((void) 0);
7104         ((void) 0);
7105         return setSlot(slot, value);
7106     }
7107     inline js::Value getReservedSlot(uintN index) const;
7108     inline void updateShape(JSContext *cx);
7109     inline void updateFlags(const js::Shape *shape, bool isDefinitelyAtom = false);
7110     inline void extend(JSContext *cx, const js::Shape *shape, bool isDefinitelyAtom = false);
7111     JSObject *getProto() const { return proto; }
7112     void clearProto() { proto = __null; }
7113     void setProto(JSObject *newProto) {
7114         setDelegateNullSafe(newProto);
7115         proto = newProto;
7116     }
7117     JSObject *getParent() const {
7118         return parent;
7119     }
7120     void clearParent() {
7121         parent = __null;
7122     }
7123     void setParent(JSObject *newParent) {
7124         setDelegateNullSafe(newParent);
7125         parent = newParent;
7126     }
7127     __attribute__((visibility ("default"))) JSObject * getGlobal() const;
7128     bool isGlobal() const {
7129         return !!(getClass()->flags & (1<<((8 + 8)+2)));
7130     }
7131     void *getPrivate() const {
7132         ((void) 0);
7133         return privateData;
7134     }
7135     void setPrivate(void *data) {
7136         ((void) 0);
7137         privateData = data;
7138     }
7139   private:
7140     enum ImmutabilityType { SEAL, FREEZE };
7141     bool sealOrFreeze(JSContext *cx, ImmutabilityType it);
7142   public:
7143     bool isExtensible() const { return !(flags & NOT_EXTENSIBLE); }
7144     bool preventExtensions(JSContext *cx, js::AutoIdVector *props);
7145     inline bool seal(JSContext *cx) { return sealOrFreeze(cx, SEAL); }
7146     bool freeze(JSContext *cx) { return sealOrFreeze(cx, FREEZE); }
7147   private:
7148     static const uint32 JSSLOT_PRIMITIVE_THIS = 0;
7149   public:
7150     inline const js::Value &getPrimitiveThis() const;
7151     inline void setPrimitiveThis(const js::Value &pthis);
7152     inline uint32 getArrayLength() const;
7153     inline void setArrayLength(uint32 length);
7154     inline uint32 getDenseArrayCapacity();
7155     inline js::Value* getDenseArrayElements();
7156     inline const js::Value &getDenseArrayElement(uintN idx);
7157     inline js::Value* addressOfDenseArrayElement(uintN idx);
7158     inline void setDenseArrayElement(uintN idx, const js::Value &val);
7159     inline void shrinkDenseArrayElements(JSContext *cx, uintN cap);
7160     enum EnsureDenseResult { ED_OK, ED_FAILED, ED_SPARSE };
7161     inline EnsureDenseResult ensureDenseArrayElements(JSContext *cx, uintN index, uintN extra);
7162     bool willBeSparseDenseArray(uintN requiredCapacity, uintN newElementsHint);
7163     JSBool makeDenseArraySlow(JSContext *cx);
7164   private:
7165     static const uint32 JSSLOT_ARGS_DATA = 1;
7166   public:
7167     static const uint32 JSSLOT_ARGS_LENGTH = 0;
7168     static const uint32 ARGS_CLASS_RESERVED_SLOTS = 2;
7169     static const uint32 ARGS_FIRST_FREE_SLOT = ARGS_CLASS_RESERVED_SLOTS + 1;
7170     static const uint32 ARGS_LENGTH_OVERRIDDEN_BIT = 0x1;
7171     static const uint32 ARGS_PACKED_BITS_COUNT = 1;
7172     inline void setArgsLength(uint32 argc);
7173     inline uint32 getArgsInitialLength() const;
7174     inline void setArgsLengthOverridden();
7175     inline bool isArgsLengthOverridden() const;
7176     inline js::ArgumentsData *getArgsData() const;
7177     inline void setArgsData(js::ArgumentsData *data);
7178     inline const js::Value &getArgsCallee() const;
7179     inline void setArgsCallee(const js::Value &callee);
7180     inline const js::Value &getArgsElement(uint32 i) const;
7181     inline js::Value *getArgsElements() const;
7182     inline js::Value *addressOfArgsElement(uint32 i);
7183     inline void setArgsElement(uint32 i, const js::Value &v);
7184   private:
7185     static const uint32 JSSLOT_CALL_CALLEE = 0;
7186     static const uint32 JSSLOT_CALL_ARGUMENTS = 1;
7187   public:
7188     static const uint32 CALL_RESERVED_SLOTS = 2;
7189     inline bool callIsForEval() const;
7190     inline JSStackFrame *maybeCallObjStackFrame() const;
7191     inline JSObject *getCallObjCallee() const;
7192     inline JSFunction *getCallObjCalleeFunction() const;
7193     inline void setCallObjCallee(JSObject *callee);
7194     inline const js::Value &getCallObjArguments() const;
7195     inline void setCallObjArguments(const js::Value &v);
7196     inline const js::Value &callObjArg(uintN i) const;
7197     inline js::Value &callObjArg(uintN i);
7198     inline const js::Value &callObjVar(uintN i) const;
7199     inline js::Value &callObjVar(uintN i);
7200     static const uint32 JSSLOT_DATE_UTC_TIME = 0;
7201     static const uint32 JSSLOT_DATE_COMPONENTS_START = 1;
7202     static const uint32 JSSLOT_DATE_LOCAL_TIME = 1;
7203     static const uint32 JSSLOT_DATE_LOCAL_YEAR = 2;
7204     static const uint32 JSSLOT_DATE_LOCAL_MONTH = 3;
7205     static const uint32 JSSLOT_DATE_LOCAL_DATE = 4;
7206     static const uint32 JSSLOT_DATE_LOCAL_DAY = 5;
7207     static const uint32 JSSLOT_DATE_LOCAL_HOURS = 6;
7208     static const uint32 JSSLOT_DATE_LOCAL_MINUTES = 7;
7209     static const uint32 JSSLOT_DATE_LOCAL_SECONDS = 8;
7210     static const uint32 DATE_CLASS_RESERVED_SLOTS = 9;
7211     inline const js::Value &getDateUTCTime() const;
7212     inline void setDateUTCTime(const js::Value &pthis);
7213   private:
7214     friend struct JSFunction;
7215     friend class js::mjit::Compiler;
7216     static const uint32 JSSLOT_FLAT_CLOSURE_UPVARS = 0;
7217     static const uint32 JSSLOT_FUN_METHOD_ATOM = 0;
7218     static const uint32 JSSLOT_FUN_METHOD_OBJ = 1;
7219     static const uint32 JSSLOT_BOUND_FUNCTION_THIS = 0;
7220     static const uint32 JSSLOT_BOUND_FUNCTION_ARGS_COUNT = 1;
7221   public:
7222     static const uint32 FUN_CLASS_RESERVED_SLOTS = 2;
7223     inline JSFunction *getFunctionPrivate() const;
7224     inline js::Value *getFlatClosureUpvars() const;
7225     inline js::Value getFlatClosureUpvar(uint32 i) const;
7226     inline js::Value &getFlatClosureUpvar(uint32 i);
7227     inline void setFlatClosureUpvars(js::Value *upvars);
7228     inline bool hasMethodObj(const JSObject& obj) const;
7229     inline void setMethodObj(JSObject& obj);
7230     inline bool initBoundFunction(JSContext *cx, const js::Value &thisArg,
7231                                   const js::Value *args, uintN argslen);
7232     inline JSObject *getBoundFunctionTarget() const;
7233     inline const js::Value &getBoundFunctionThis() const;
7234     inline const js::Value *getBoundFunctionArguments(uintN &argslen) const;
7235   private:
7236     static const uint32 JSSLOT_REGEXP_LAST_INDEX = 0;
7237   public:
7238     static const uint32 REGEXP_CLASS_RESERVED_SLOTS = 1;
7239     inline const js::Value &getRegExpLastIndex() const;
7240     inline void setRegExpLastIndex(const js::Value &v);
7241     inline void setRegExpLastIndex(jsdouble d);
7242     inline void zeroRegExpLastIndex();
7243     inline js::NativeIterator *getNativeIterator() const;
7244     inline void setNativeIterator(js::NativeIterator *);
7245     inline JSScript *getScript() const;
7246   private:
7247     static const uint32 JSSLOT_NAME_PREFIX = 0;
7248     static const uint32 JSSLOT_NAME_URI = 1;
7249     static const uint32 JSSLOT_NAMESPACE_DECLARED = 2;
7250     static const uint32 JSSLOT_QNAME_LOCAL_NAME = 2;
7251   public:
7252     static const uint32 NAMESPACE_CLASS_RESERVED_SLOTS = 3;
7253     static const uint32 QNAME_CLASS_RESERVED_SLOTS = 3;
7254     inline JSLinearString *getNamePrefix() const;
7255     inline jsval getNamePrefixVal() const;
7256     inline void setNamePrefix(JSLinearString *prefix);
7257     inline void clearNamePrefix();
7258     inline JSLinearString *getNameURI() const;
7259     inline jsval getNameURIVal() const;
7260     inline void setNameURI(JSLinearString *uri);
7261     inline jsval getNamespaceDeclared() const;
7262     inline void setNamespaceDeclared(jsval decl);
7263     inline JSLinearString *getQNameLocalName() const;
7264     inline jsval getQNameLocalNameVal() const;
7265     inline void setQNameLocalName(JSLinearString *name);
7266     inline js::JSProxyHandler *getProxyHandler() const;
7267     inline const js::Value &getProxyPrivate() const;
7268     inline void setProxyPrivate(const js::Value &priv);
7269     inline const js::Value &getProxyExtra() const;
7270     inline void setProxyExtra(const js::Value &extra);
7271     inline JSObject *getWithThis() const;
7272     inline void setWithThis(JSObject *thisp);
7273     inline bool isCallable();
7274     void init(JSContext *cx, js::Class *aclasp, JSObject *proto, JSObject *parent,
7275               void *priv, bool useHoles);
7276     inline void finish(JSContext *cx);
7277     __attribute__((always_inline)) inline void finalize(JSContext *cx);
7278     inline bool initSharingEmptyShape(JSContext *cx,
7279                                       js::Class *clasp,
7280                                       JSObject *proto,
7281                                       JSObject *parent,
7282                                       void *priv,
7283                                                              unsigned kind);
7284     inline bool hasSlotsArray() const;
7285     inline void freeSlotsArray(JSContext *cx);
7286     inline void revertToFixedSlots(JSContext *cx);
7287     inline bool hasProperty(JSContext *cx, jsid id, bool *foundp, uintN flags = 0);
7288     bool allocSlot(JSContext *cx, uint32 *slotp);
7289     bool freeSlot(JSContext *cx, uint32 slot);
7290   public:
7291     bool reportReadOnly(JSContext* cx, jsid id, uintN report = 0x0);
7292     bool reportNotConfigurable(JSContext* cx, jsid id, uintN report = 0x0);
7293     bool reportNotExtensible(JSContext *cx, uintN report = 0x0);
7294   private:
7295     js::Shape *getChildProperty(JSContext *cx, js::Shape *parent, js::Shape &child);
7296     const js::Shape *addPropertyInternal(JSContext *cx, jsid id,
7297                                          js::PropertyOp getter, js::StrictPropertyOp setter,
7298                                          uint32 slot, uintN attrs,
7299                                          uintN flags, intN shortid,
7300                                          js::Shape **spp);
7301     bool toDictionaryMode(JSContext *cx);
7302   public:
7303     const js::Shape *addProperty(JSContext *cx, jsid id,
7304                                  js::PropertyOp getter, js::StrictPropertyOp setter,
7305                                  uint32 slot, uintN attrs,
7306                                  uintN flags, intN shortid);
7307     const js::Shape *addDataProperty(JSContext *cx, jsid id, uint32 slot, uintN attrs) {
7308         ((void) 0);
7309         return addProperty(cx, id, __null, __null, slot, attrs, 0, 0);
7310     }
7311     const js::Shape *putProperty(JSContext *cx, jsid id,
7312                                  js::PropertyOp getter, js::StrictPropertyOp setter,
7313                                  uint32 slot, uintN attrs,
7314                                  uintN flags, intN shortid);
7315     const js::Shape *changeProperty(JSContext *cx, const js::Shape *shape, uintN attrs, uintN mask,
7316                                     js::PropertyOp getter, js::StrictPropertyOp setter);
7317     bool removeProperty(JSContext *cx, jsid id);
7318     void clear(JSContext *cx);
7319     JSBool lookupProperty(JSContext *cx, jsid id, JSObject **objp, JSProperty **propp) {
7320         js::LookupPropOp op = getOps()->lookupProperty;
7321         return (op ? op : js_LookupProperty)(cx, this, id, objp, propp);
7322     }
7323     JSBool defineProperty(JSContext *cx, jsid id, const js::Value &value,
7324                           js::PropertyOp getter = js::PropertyStub,
7325                           js::StrictPropertyOp setter = js::StrictPropertyStub,
7326                           uintN attrs = 0x01) {
7327         js::DefinePropOp op = getOps()->defineProperty;
7328         return (op ? op : js_DefineProperty)(cx, this, id, &value, getter, setter, attrs);
7329     }
7330     JSBool getProperty(JSContext *cx, JSObject *receiver, jsid id, js::Value *vp) {
7331         js::PropertyIdOp op = getOps()->getProperty;
7332         return (op ? op : (js::PropertyIdOp)js_GetProperty)(cx, this, receiver, id, vp);
7333     }
7334     JSBool getProperty(JSContext *cx, jsid id, js::Value *vp) {
7335         return getProperty(cx, this, id, vp);
7336     }
7337     JSBool setProperty(JSContext *cx, jsid id, js::Value *vp, JSBool strict) {
7338         js::StrictPropertyIdOp op = getOps()->setProperty;
7339         return (op ? op : js_SetProperty)(cx, this, id, vp, strict);
7340     }
7341     JSBool getAttributes(JSContext *cx, jsid id, uintN *attrsp) {
7342         js::AttributesOp op = getOps()->getAttributes;
7343         return (op ? op : js_GetAttributes)(cx, this, id, attrsp);
7344     }
7345     JSBool setAttributes(JSContext *cx, jsid id, uintN *attrsp) {
7346         js::AttributesOp op = getOps()->setAttributes;
7347         return (op ? op : js_SetAttributes)(cx, this, id, attrsp);
7348     }
7349     JSBool deleteProperty(JSContext *cx, jsid id, js::Value *rval, JSBool strict) {
7350         js::DeleteIdOp op = getOps()->deleteProperty;
7351         return (op ? op : js_DeleteProperty)(cx, this, id, rval, strict);
7352     }
7353     JSBool enumerate(JSContext *cx, JSIterateOp iterop, js::Value *statep, jsid *idp) {
7354         js::NewEnumerateOp op = getOps()->enumerate;
7355         return (op ? op : js_Enumerate)(cx, this, iterop, statep, idp);
7356     }
7357     JSType typeOf(JSContext *cx) {
7358         js::TypeOfOp op = getOps()->typeOf;
7359         return (op ? op : js_TypeOf)(cx, this);
7360     }
7361     JSObject *thisObject(JSContext *cx) {
7362         JSObjectOp op = getOps()->thisObject;
7363         return op ? op(cx, this) : this;
7364     }
7365     static bool thisObject(JSContext *cx, const js::Value &v, js::Value *vp);
7366     inline JSCompartment *getCompartment() const;
7367     inline JSObject *getThrowTypeError() const;
7368     __attribute__((visibility ("default"))) JSObject * clone(JSContext *cx, JSObject *proto, JSObject *parent);
7369     __attribute__((visibility ("default"))) bool copyPropertiesFrom(JSContext *cx, JSObject *obj);
7370     bool swap(JSContext *cx, JSObject *other);
7371     const js::Shape *defineBlockVariable(JSContext *cx, jsid id, intN index);
7372     inline bool canHaveMethodBarrier() const;
7373     inline bool isArguments() const;
7374     inline bool isNormalArguments() const;
7375     inline bool isStrictArguments() const;
7376     inline bool isArray() const;
7377     inline bool isDenseArray() const;
7378     inline bool isSlowArray() const;
7379     inline bool isNumber() const;
7380     inline bool isBoolean() const;
7381     inline bool isString() const;
7382     inline bool isPrimitive() const;
7383     inline bool isDate() const;
7384     inline bool isFunction() const;
7385     inline bool isObject() const;
7386     inline bool isWith() const;
7387     inline bool isBlock() const;
7388     inline bool isStaticBlock() const;
7389     inline bool isClonedBlock() const;
7390     inline bool isCall() const;
7391     inline bool isRegExp() const;
7392     inline bool isScript() const;
7393     inline bool isXML() const;
7394     inline bool isXMLId() const;
7395     inline bool isNamespace() const;
7396     inline bool isQName() const;
7397     inline bool isProxy() const;
7398     inline bool isObjectProxy() const;
7399     inline bool isFunctionProxy() const;
7400     __attribute__((visibility ("default"))) bool isWrapper() const;
7401     __attribute__((visibility ("default"))) JSObject * unwrap(uintN *flagsp = __null);
7402     inline void initArrayClass();
7403 };
7404 typedef int js_static_assert37[(sizeof(JSObject) % sizeof(js::Value) == 0) ? 1 : -1];
7405 inline js::Value*
7406 JSObject::fixedSlots() const {
7407     return (js::Value*) (jsuword(this) + sizeof(JSObject));
7408 }
7409 inline
7410        bool
7411 JSObject::hasSlotsArray() const { return this->slots != fixedSlots(); }
7412              inline size_t
7413 JSObject::getFixedSlotOffset(size_t slot) {
7414     return sizeof(JSObject) + (slot * sizeof(js::Value));
7415 }
7416 struct JSObject_Slots2 : JSObject { js::Value fslots[2]; };
7417 struct JSObject_Slots4 : JSObject { js::Value fslots[4]; };
7418 struct JSObject_Slots8 : JSObject { js::Value fslots[8]; };
7419 struct JSObject_Slots12 : JSObject { js::Value fslots[12]; };
7420 struct JSObject_Slots16 : JSObject { js::Value fslots[16]; };
7421 inline void
7422 OBJ_TO_INNER_OBJECT(JSContext *cx, JSObject *&obj)
7423 {
7424     if (JSObjectOp op = obj->getClass()->ext.innerObject)
7425         obj = op(cx, obj);
7426 }
7427 inline void
7428 OBJ_TO_OUTER_OBJECT(JSContext *cx, JSObject *&obj)
7429 {
7430     if (JSObjectOp op = obj->getClass()->ext.outerObject)
7431         obj = op(cx, obj);
7432 }
7433 class JSValueArray {
7434   public:
7435     jsval *array;
7436     size_t length;
7437     JSValueArray(jsval *v, size_t c) : array(v), length(c) {}
7438 };
7439 class ValueArray {
7440   public:
7441     js::Value *array;
7442     size_t length;
7443     ValueArray(js::Value *v, size_t c) : array(v), length(c) {}
7444 };
7445 extern js::Class js_ObjectClass;
7446 extern js::Class js_WithClass;
7447 extern js::Class js_BlockClass;
7448 inline bool JSObject::isObject() const { return getClass() == &js_ObjectClass; }
7449 inline bool JSObject::isWith() const { return getClass() == &js_WithClass; }
7450 inline bool JSObject::isBlock() const { return getClass() == &js_BlockClass; }
7451 static const uint32 JSSLOT_BLOCK_DEPTH = 0;
7452 static const uint32 JSSLOT_BLOCK_FIRST_FREE_SLOT = JSSLOT_BLOCK_DEPTH + 1;
7453 inline
7454        bool
7455 JSObject::isStaticBlock() const
7456 {
7457     return isBlock() && !getProto();
7458 }
7459 inline
7460        bool
7461 JSObject::isClonedBlock() const
7462 {
7463     return isBlock() && !!getProto();
7464 }
7465 static const uint32 JSSLOT_WITH_THIS = 1;
7466 extern JSObject *
7467 js_NewWithObject(JSContext *cx, JSObject *proto, JSObject *parent, jsint depth);
7468 inline JSObject *
7469 js_UnwrapWithObject(JSContext *cx, JSObject *withobj)
7470 {
7471     ((void) 0);
7472     return withobj->getProto();
7473 }
7474 extern JSObject *
7475 js_NewBlockObject(JSContext *cx);
7476 extern JSObject *
7477 js_CloneBlockObject(JSContext *cx, JSObject *proto, JSStackFrame *fp);
7478 extern JSBool
7479 js_PutBlockObject(JSContext *cx, JSBool normalUnwind);
7480 JSBool
7481 js_XDRBlockObject(JSXDRState *xdr, JSObject **objp);
7482 struct JSSharpObjectMap {
7483     jsrefcount depth;
7484     jsatomid sharpgen;
7485     JSHashTable *table;
7486 };
7487 extern JSHashEntry *
7488 js_EnterSharpObject(JSContext *cx, JSObject *obj, JSIdArray **idap,
7489                     jschar **sp);
7490 extern void
7491 js_LeaveSharpObject(JSContext *cx, JSIdArray **idap);
7492 extern void
7493 js_TraceSharpMap(JSTracer *trc, JSSharpObjectMap *map);
7494 extern JSBool
7495 js_HasOwnPropertyHelper(JSContext *cx, js::LookupPropOp lookup, uintN argc,
7496                         js::Value *vp);
7497 extern JSBool
7498 js_HasOwnProperty(JSContext *cx, js::LookupPropOp lookup, JSObject *obj, jsid id,
7499                   JSObject **objp, JSProperty **propp);
7500 extern JSBool
7501 js_NewPropertyDescriptorObject(JSContext *cx, jsid id, uintN attrs,
7502                                const js::Value &getter, const js::Value &setter,
7503                                const js::Value &value, js::Value *vp);
7504 extern JSBool
7505 js_PropertyIsEnumerable(JSContext *cx, JSObject *obj, jsid id, js::Value *vp);
7506 __attribute__((visibility ("default"))) JSBool js_obj_defineGetter(JSContext *cx, uintN argc, js::Value *vp);
7507 __attribute__((visibility ("default"))) JSBool js_obj_defineSetter(JSContext *cx, uintN argc, js::Value *vp);
7508 extern JSObject *
7509 js_InitObjectClass(JSContext *cx, JSObject *obj);
7510 namespace js {
7511 JSObject *
7512 DefineConstructorAndPrototype(JSContext *cx, JSObject *obj, JSProtoKey key, JSAtom *atom,
7513                               JSObject *protoProto, Class *clasp,
7514                               Native constructor, uintN nargs,
7515                               JSPropertySpec *ps, JSFunctionSpec *fs,
7516                               JSPropertySpec *static_ps, JSFunctionSpec *static_fs);
7517 }
7518 extern JSObject *
7519 js_InitClass(JSContext *cx, JSObject *obj, JSObject *parent_proto,
7520              js::Class *clasp, js::Native constructor, uintN nargs,
7521              JSPropertySpec *ps, JSFunctionSpec *fs,
7522              JSPropertySpec *static_ps, JSFunctionSpec *static_fs);
7523 extern const char js_watch_str[];
7524 extern const char js_unwatch_str[];
7525 extern const char js_hasOwnProperty_str[];
7526 extern const char js_isPrototypeOf_str[];
7527 extern const char js_propertyIsEnumerable_str[];
7528 extern const char js_defineGetter_str[];
7529 extern const char js_defineSetter_str[];
7530 extern const char js_lookupGetter_str[];
7531 extern const char js_lookupSetter_str[];
7532 extern JSBool
7533 js_PopulateObject(JSContext *cx, JSObject *newborn, JSObject *props);
7534 extern JSBool
7535 js_GetClassObject(JSContext *cx, JSObject *obj, JSProtoKey key,
7536                   JSObject **objp);
7537 extern JSBool
7538 js_SetClassObject(JSContext *cx, JSObject *obj, JSProtoKey key,
7539                   JSObject *cobj, JSObject *prototype);
7540 extern JSBool
7541 js_FindClassObject(JSContext *cx, JSObject *start, JSProtoKey key,
7542                    js::Value *vp, js::Class *clasp = __null);
7543 extern JSObject *
7544 js_ConstructObject(JSContext *cx, js::Class *clasp, JSObject *proto,
7545                    JSObject *parent, uintN argc, js::Value *argv);
7546 extern JSObject *
7547 js_CreateThisForFunctionWithProto(JSContext *cx, JSObject *callee, JSObject *proto);
7548 extern JSObject *
7549 js_CreateThisForFunction(JSContext *cx, JSObject *callee);
7550 extern JSObject *
7551 js_CreateThis(JSContext *cx, JSObject *callee);
7552 extern jsid
7553 js_CheckForStringIndex(jsid id);
7554 extern void
7555 js_PurgeScopeChainHelper(JSContext *cx, JSObject *obj, jsid id);
7556 inline void
7557 js_PurgeScopeChain(JSContext *cx, JSObject *obj, jsid id)
7558 {
7559     if (obj->isDelegate())
7560         js_PurgeScopeChainHelper(cx, obj, id);
7561 }
7562 extern const js::Shape *
7563 js_AddNativeProperty(JSContext *cx, JSObject *obj, jsid id,
7564                      js::PropertyOp getter, js::StrictPropertyOp setter, uint32 slot,
7565                      uintN attrs, uintN flags, intN shortid);
7566 extern const js::Shape *
7567 js_ChangeNativePropertyAttrs(JSContext *cx, JSObject *obj,
7568                              const js::Shape *shape, uintN attrs, uintN mask,
7569                              js::PropertyOp getter, js::StrictPropertyOp setter);
7570 extern JSBool
7571 js_DefineOwnProperty(JSContext *cx, JSObject *obj, jsid id,
7572                      const js::Value &descriptor, JSBool *bp);
7573 const uintN JSDNP_CACHE_RESULT = 1;
7574 const uintN JSDNP_DONT_PURGE = 2;
7575 const uintN JSDNP_SET_METHOD = 4;
7576 const uintN JSDNP_UNQUALIFIED = 8;
7577 extern JSBool
7578 js_DefineNativeProperty(JSContext *cx, JSObject *obj, jsid id, const js::Value &value,
7579                         js::PropertyOp getter, js::StrictPropertyOp setter, uintN attrs,
7580                         uintN flags, intN shortid, JSProperty **propp,
7581                         uintN defineHow = 0);
7582 extern int
7583 js_LookupPropertyWithFlags(JSContext *cx, JSObject *obj, jsid id, uintN flags,
7584                            JSObject **objp, JSProperty **propp);
7585 extern __attribute__((visibility ("default"))) js::Class js_CallClass;
7586 extern __attribute__((visibility ("default"))) js::Class js_DeclEnvClass;
7587 namespace js {
7588 static inline
7589               bool
7590 IsCacheableNonGlobalScope(JSObject *obj)
7591 {
7592     ((void) 0);
7593     js::Class *clasp = obj->getClass();
7594     bool cacheable = (clasp == &js_CallClass ||
7595                       clasp == &js_BlockClass ||
7596                       clasp == &js_DeclEnvClass);
7597     ((void) 0);
7598     return cacheable;
7599 }
7600 }
7601 extern js::PropertyCacheEntry *
7602 js_FindPropertyHelper(JSContext *cx, jsid id, JSBool cacheResult,
7603                       JSObject **objp, JSObject **pobjp, JSProperty **propp);
7604 extern __attribute__((visibility ("default"))) JSBool
7605 js_FindProperty(JSContext *cx, jsid id, JSObject **objp, JSObject **pobjp,
7606                 JSProperty **propp);
7607 extern JSObject *
7608 js_FindIdentifierBase(JSContext *cx, JSObject *scopeChain, jsid id);
7609 extern JSObject *
7610 js_FindVariableScope(JSContext *cx, JSFunction **funp);
7611 const uintN JSGET_CACHE_RESULT = 1;
7612 const uintN JSGET_METHOD_BARRIER = 0;
7613 const uintN JSGET_NO_METHOD_BARRIER = 2;
7614 extern JSBool
7615 js_NativeGet(JSContext *cx, JSObject *obj, JSObject *pobj, const js::Shape *shape, uintN getHow,
7616              js::Value *vp);
7617 extern JSBool
7618 js_NativeSet(JSContext *cx, JSObject *obj, const js::Shape *shape, bool added,
7619              bool strict, js::Value *vp);
7620 extern JSBool
7621 js_GetPropertyHelper(JSContext *cx, JSObject *obj, jsid id, uint32 getHow, js::Value *vp);
7622 extern
7623        bool
7624 js_GetPropertyHelperWithShape(JSContext *cx, JSObject *obj, JSObject *receiver, jsid id,
7625                               uint32 getHow, js::Value *vp,
7626                               const js::Shape **shapeOut, JSObject **holderOut);
7627 extern JSBool
7628 js_GetOwnPropertyDescriptor(JSContext *cx, JSObject *obj, jsid id, js::Value *vp);
7629 extern JSBool
7630 js_GetMethod(JSContext *cx, JSObject *obj, jsid id, uintN getHow, js::Value *vp);
7631 extern __attribute__((visibility ("default"))) bool
7632 js_CheckUndeclaredVarAssignment(JSContext *cx, JSString *propname);
7633 extern JSBool
7634 js_SetPropertyHelper(JSContext *cx, JSObject *obj, jsid id, uintN defineHow,
7635                      js::Value *vp, JSBool strict);
7636 extern JSBool
7637 js_SetNativeAttributes(JSContext *cx, JSObject *obj, js::Shape *shape,
7638                        uintN attrs);
7639 namespace js {
7640 extern JSObject *
7641 HasNativeMethod(JSObject *obj, jsid methodid, Native native);
7642 extern
7643        bool
7644 DefaultValue(JSContext *cx, JSObject *obj, JSType hint, Value *vp);
7645 extern JSBool
7646 CheckAccess(JSContext *cx, JSObject *obj, jsid id, JSAccessMode mode,
7647             js::Value *vp, uintN *attrsp);
7648 }
7649 extern
7650        bool
7651 js_IsDelegate(JSContext *cx, JSObject *obj, const js::Value &v);
7652 extern __attribute__((visibility ("default"))) JSBool
7653 js_GetClassPrototype(JSContext *cx, JSObject *scope, JSProtoKey protoKey,
7654                      JSObject **protop, js::Class *clasp = __null);
7655 extern JSBool
7656 js_SetClassPrototype(JSContext *cx, JSObject *ctor, JSObject *proto,
7657                      uintN attrs);
7658 extern JSBool
7659 js_PrimitiveToObject(JSContext *cx, js::Value *vp);
7660 extern JSBool
7661 js_ValueToObjectOrNull(JSContext *cx, const js::Value &v, JSObject **objp);
7662 namespace js {
7663 extern JSObject *
7664 ToObjectSlow(JSContext *cx, js::Value *vp);
7665 __attribute__((always_inline)) inline JSObject *
7666 ToObject(JSContext *cx, js::Value *vp)
7667 {
7668     if (vp->isObject())
7669         return &vp->toObject();
7670     return ToObjectSlow(cx, vp);
7671 }
7672 }
7673 extern JSObject *
7674 js_ValueToNonNullObject(JSContext *cx, const js::Value &v);
7675 extern JSBool
7676 js_TryValueOf(JSContext *cx, JSObject *obj, JSType type, js::Value *rval);
7677 extern JSBool
7678 js_TryMethod(JSContext *cx, JSObject *obj, JSAtom *atom,
7679              uintN argc, js::Value *argv, js::Value *rval);
7680 extern JSBool
7681 js_XDRObject(JSXDRState *xdr, JSObject **objp);
7682 extern void
7683 js_TraceObject(JSTracer *trc, JSObject *obj);
7684 extern void
7685 js_PrintObjectSlotName(JSTracer *trc, char *buf, size_t bufsize);
7686 extern void
7687 js_ClearNative(JSContext *cx, JSObject *obj);
7688 extern
7689        bool
7690 js_GetReservedSlot(JSContext *cx, JSObject *obj, uint32 index, js::Value *vp);
7691 extern
7692        bool
7693 js_SetReservedSlot(JSContext *cx, JSObject *obj, uint32 index, const js::Value &v);
7694 extern JSBool
7695 js_CheckPrincipalsAccess(JSContext *cx, JSObject *scopeobj,
7696                          JSPrincipals *principals, JSAtom *caller);
7697 extern JSBool
7698 js_CheckContentSecurityPolicy(JSContext *cx, JSObject *scopeObj);
7699 extern const char *
7700 js_ComputeFilename(JSContext *cx, JSStackFrame *caller,
7701                    JSPrincipals *principals, uintN *linenop);
7702 extern JSBool
7703 js_ReportGetterOnlyAssignment(JSContext *cx);
7704 extern __attribute__((visibility ("default"))) JSBool
7705 js_GetterOnlyPropertyStub(JSContext *cx, JSObject *obj, jsid id, JSBool strict, jsval *vp);
7706 extern uintN
7707 js_InferFlags(JSContext *cx, uintN defaultFlags);
7708 JSBool
7709 js_Object(JSContext *cx, uintN argc, js::Value *vp);
7710 namespace js {
7711 extern
7712        bool
7713 SetProto(JSContext *cx, JSObject *obj, JSObject *proto, bool checkForCycles);
7714 extern JSString *
7715 obj_toStringHelper(JSContext *cx, JSObject *obj);
7716 enum EvalType { INDIRECT_EVAL, DIRECT_EVAL };
7717 extern
7718        bool
7719 EvalKernel(JSContext *cx, uintN argc, js::Value *vp, EvalType evalType, JSStackFrame *caller,
7720            JSObject *scopeobj);
7721 extern __attribute__((visibility ("default"))) bool
7722 IsBuiltinEvalFunction(JSFunction *fun);
7723 }
7724 enum {
7725     UNIT_STRING_LIMIT = 256U,
7726     SMALL_CHAR_LIMIT = 128U,
7727     NUM_SMALL_CHARS = 64U,
7728     INT_STRING_LIMIT = 256U,
7729     NUM_HUNDRED_STRINGS = 156U
7730 };
7731 extern jschar *
7732 js_GetDependentStringChars(JSString *str);
7733 extern JSString *
7734 js_ConcatStrings(JSContext *cx, JSString *left, JSString *right);
7735 typedef int js_static_assert38[((8 * 8) >= 32) ? 1 : -1];
7736 struct JSRopeBufferInfo {
7737     size_t capacity;
7738 };
7739 namespace js { namespace mjit {
7740     class Compiler;
7741 }}
7742 struct JSLinearString;
7743 struct JSString
7744 {
7745     friend class js::TraceRecorder;
7746     friend class js::mjit::Compiler;
7747     friend JSAtom *js_AtomizeString(JSContext *cx, JSString *str, uintN flags);
7748     size_t lengthAndFlags;
7749     union {
7750         const jschar *chars;
7751         JSString *left;
7752     } u;
7753     union {
7754         jschar inlineStorage[4];
7755         struct {
7756             union {
7757                 JSString *right;
7758                 JSString *base;
7759                 size_t capacity;
7760             };
7761             union {
7762                 JSString *parent;
7763                 size_t reserved;
7764             };
7765         } s;
7766         size_t externalStringType;
7767     };
7768     static const size_t TYPE_FLAGS_MASK = (((JSUint32)1 << (4)) - 1);
7769     static const size_t LENGTH_SHIFT = 4;
7770     static const size_t TYPE_MASK = (((JSUint32)1 << (2)) - 1);
7771     static const size_t FLAT = 0x0;
7772     static const size_t DEPENDENT = 0x1;
7773     static const size_t ROPE = 0x2;
7774     static const size_t DEPENDENT_BIT = ((JSUint32)1 << (0));
7775     static const size_t ROPE_BIT = ((JSUint32)1 << (1));
7776     static const size_t ATOMIZED = ((JSUint32)1 << (2));
7777     static const size_t EXTENSIBLE = ((JSUint32)1 << (3));
7778     size_t buildLengthAndFlags(size_t length, size_t flags) {
7779         return (length << LENGTH_SHIFT) | flags;
7780     }
7781     inline js::gc::Cell *asCell() {
7782         return reinterpret_cast<js::gc::Cell *>(this);
7783     }
7784     inline js::gc::FreeCell *asFreeCell() {
7785         return reinterpret_cast<js::gc::FreeCell *>(this);
7786     }
7787     static const size_t MAX_LENGTH = (1 << 28) - 1;
7788     __attribute__((always_inline)) inline bool isDependent() const {
7789         return lengthAndFlags & DEPENDENT_BIT;
7790     }
7791     __attribute__((always_inline)) inline bool isFlat() const {
7792         return (lengthAndFlags & TYPE_MASK) == FLAT;
7793     }
7794     __attribute__((always_inline)) inline bool isExtensible() const {
7795         ((void) 0);
7796         return lengthAndFlags & EXTENSIBLE;
7797     }
7798     __attribute__((always_inline)) inline bool isAtomized() const {
7799         ((void) 0);
7800         return lengthAndFlags & ATOMIZED;
7801     }
7802     __attribute__((always_inline)) inline bool isRope() const {
7803         return lengthAndFlags & ROPE_BIT;
7804     }
7805     __attribute__((always_inline)) inline size_t length() const {
7806         return lengthAndFlags >> LENGTH_SHIFT;
7807     }
7808     __attribute__((always_inline)) inline bool empty() const {
7809         return lengthAndFlags <= TYPE_FLAGS_MASK;
7810     }
7811     __attribute__((always_inline)) inline const jschar *getChars(JSContext *cx) {
7812         if (isRope())
7813             return flatten(cx);
7814         return nonRopeChars();
7815     }
7816     __attribute__((always_inline)) inline const jschar *getCharsZ(JSContext *cx) {
7817         if (!isFlat())
7818             return undepend(cx);
7819         return flatChars();
7820     }
7821     __attribute__((always_inline)) inline void initFlatNotTerminated(jschar *chars, size_t length) {
7822         ((void) 0);
7823         ((void) 0);
7824         lengthAndFlags = buildLengthAndFlags(length, FLAT);
7825         u.chars = chars;
7826     }
7827     __attribute__((always_inline)) inline void initFlat(jschar *chars, size_t length) {
7828         initFlatNotTerminated(chars, length);
7829         ((void) 0);
7830     }
7831     __attribute__((always_inline)) inline void initShortString(const jschar *chars, size_t length) {
7832         ((void) 0);
7833         ((void) 0);
7834         ((void) 0);
7835         lengthAndFlags = buildLengthAndFlags(length, FLAT);
7836         u.chars = chars;
7837     }
7838     __attribute__((always_inline)) inline void initFlatExtensible(jschar *chars, size_t length, size_t cap) {
7839         ((void) 0);
7840         ((void) 0);
7841         ((void) 0);
7842         lengthAndFlags = buildLengthAndFlags(length, FLAT | EXTENSIBLE);
7843         u.chars = chars;
7844         s.capacity = cap;
7845     }
7846     __attribute__((always_inline)) inline JSFlatString *assertIsFlat() {
7847         ((void) 0);
7848         return reinterpret_cast<JSFlatString *>(this);
7849     }
7850     __attribute__((always_inline)) inline const jschar *flatChars() const {
7851         ((void) 0);
7852         return u.chars;
7853     }
7854     __attribute__((always_inline)) inline size_t flatLength() const {
7855         ((void) 0);
7856         return length();
7857     }
7858     inline void flatSetAtomized() {
7859         ((void) 0);
7860         ((void) 0);
7861         lengthAndFlags |= ATOMIZED;
7862     }
7863     inline void flatClearExtensible() {
7864         ((void) 0);
7865         if (lengthAndFlags & EXTENSIBLE)
7866             lengthAndFlags &= ~EXTENSIBLE;
7867     }
7868     inline void initDependent(JSString *base, const jschar *chars, size_t length) {
7869         ((void) 0);
7870         ((void) 0);
7871         ((void) 0);
7872         ((void) 0);
7873         lengthAndFlags = buildLengthAndFlags(length, DEPENDENT);
7874         u.chars = chars;
7875         s.base = base;
7876     }
7877     inline JSLinearString *dependentBase() const {
7878         ((void) 0);
7879         return s.base->assertIsLinear();
7880     }
7881     __attribute__((always_inline)) inline const jschar *dependentChars() {
7882         ((void) 0);
7883         return u.chars;
7884     }
7885     inline size_t dependentLength() const {
7886         ((void) 0);
7887         return length();
7888     }
7889     const jschar *undepend(JSContext *cx);
7890     const jschar *nonRopeChars() const {
7891         ((void) 0);
7892         return u.chars;
7893     }
7894     inline void initRopeNode(JSString *left, JSString *right, size_t length) {
7895         ((void) 0);
7896         lengthAndFlags = buildLengthAndFlags(length, ROPE);
7897         u.left = left;
7898         s.right = right;
7899     }
7900     inline JSString *ropeLeft() const {
7901         ((void) 0);
7902         return u.left;
7903     }
7904     inline JSString *ropeRight() const {
7905         ((void) 0);
7906         return s.right;
7907     }
7908     inline void finishTraversalConversion(JSString *base, const jschar *baseBegin, const jschar *end) {
7909         ((void) 0);
7910         lengthAndFlags = buildLengthAndFlags(end - u.chars, DEPENDENT);
7911         s.base = base;
7912     }
7913     const jschar *flatten(JSContext *maybecx);
7914     JSLinearString *ensureLinear(JSContext *cx) {
7915         if (isRope() && !flatten(cx))
7916             return __null;
7917         return reinterpret_cast<JSLinearString *>(this);
7918     }
7919     bool isLinear() const {
7920         return !isRope();
7921     }
7922     JSLinearString *assertIsLinear() {
7923         ((void) 0);
7924         return reinterpret_cast<JSLinearString *>(this);
7925     }
7926     typedef uint8 SmallChar;
7927     static inline bool fitsInSmallChar(jschar c) {
7928         return c < SMALL_CHAR_LIMIT && toSmallChar[c] != INVALID_SMALL_CHAR;
7929     }
7930     static inline bool isUnitString(void *ptr) {
7931         jsuword delta = reinterpret_cast<jsuword>(ptr) -
7932                         reinterpret_cast<jsuword>(unitStringTable);
7933         if (delta >= UNIT_STRING_LIMIT * sizeof(JSString))
7934             return false;
7935         ((void) 0);
7936         return true;
7937     }
7938     static inline bool isLength2String(void *ptr) {
7939         jsuword delta = reinterpret_cast<jsuword>(ptr) -
7940                         reinterpret_cast<jsuword>(length2StringTable);
7941         if (delta >= NUM_SMALL_CHARS * NUM_SMALL_CHARS * sizeof(JSString))
7942             return false;
7943         ((void) 0);
7944         return true;
7945     }
7946     static inline bool isHundredString(void *ptr) {
7947         jsuword delta = reinterpret_cast<jsuword>(ptr) -
7948                         reinterpret_cast<jsuword>(hundredStringTable);
7949         if (delta >= NUM_HUNDRED_STRINGS * sizeof(JSString))
7950             return false;
7951         ((void) 0);
7952         return true;
7953     }
7954     static inline bool isStatic(void *ptr) {
7955         return isUnitString(ptr) || isLength2String(ptr) || isHundredString(ptr);
7956     }
7957     static const SmallChar INVALID_SMALL_CHAR = -1;
7958     static const jschar fromSmallChar[];
7959     static const SmallChar toSmallChar[];
7960     static const JSString unitStringTable[];
7961     static const JSString length2StringTable[];
7962     static const JSString hundredStringTable[];
7963     static const JSString *const intStringTable[];
7964     static JSFlatString *unitString(jschar c);
7965     static JSLinearString *getUnitString(JSContext *cx, JSString *str, size_t index);
7966     static JSFlatString *length2String(jschar c1, jschar c2);
7967     static JSFlatString *length2String(uint32 i);
7968     static JSFlatString *intString(jsint i);
7969     static JSFlatString *lookupStaticString(const jschar *chars, size_t length);
7970     __attribute__((always_inline)) inline void finalize(JSContext *cx);
7971     static size_t offsetOfLengthAndFlags() {
7972         return __builtin_offsetof (JSString, lengthAndFlags);
7973     }
7974     static size_t offsetOfChars() {
7975         return __builtin_offsetof (JSString, u.chars);
7976     }
7977     static void staticAsserts() {
7978         typedef int js_static_assert39[(((JSString::MAX_LENGTH << JSString::LENGTH_SHIFT) >> JSString::LENGTH_SHIFT) == JSString::MAX_LENGTH) ? 1 : -1]
7979                                                                            ;
7980     }
7981 };
7982 struct JSLinearString : JSString
7983 {
7984     const jschar *chars() const { return JSString::nonRopeChars(); }
7985 };
7986 typedef int js_static_assert40[(sizeof(JSLinearString) == sizeof(JSString)) ? 1 : -1];
7987 struct JSFlatString : JSLinearString
7988 {
7989     const jschar *charsZ() const { return chars(); }
7990 };
7991 typedef int js_static_assert41[(sizeof(JSFlatString) == sizeof(JSString)) ? 1 : -1];
7992 struct JSAtom : JSFlatString
7993 {
7994 };
7995 struct JSExternalString : JSString
7996 {
7997     static const uintN TYPE_LIMIT = 8;
7998     static JSStringFinalizeOp str_finalizers[TYPE_LIMIT];
7999     static intN changeFinalizer(JSStringFinalizeOp oldop,
8000                                 JSStringFinalizeOp newop) {
8001         for (uintN i = 0; i != (sizeof (str_finalizers) / sizeof (str_finalizers)[0]); i++) {
8002             if (str_finalizers[i] == oldop) {
8003                 str_finalizers[i] = newop;
8004                 return intN(i);
8005             }
8006         }
8007         return -1;
8008     }
8009     void finalize(JSContext *cx);
8010     void finalize();
8011 };
8012 typedef int js_static_assert42[(sizeof(JSString) == sizeof(JSExternalString)) ? 1 : -1];
8013 class JSShortString : public js::gc::Cell
8014 {
8015     JSString mHeader;
8016     JSString mDummy;
8017   public:
8018     inline jschar *init(size_t length) {
8019         ((void) 0);
8020         mHeader.initShortString(mHeader.inlineStorage, length);
8021         return mHeader.inlineStorage;
8022     }
8023     inline jschar *getInlineStorageBeforeInit() {
8024         return mHeader.inlineStorage;
8025     }
8026     inline void initAtOffsetInBuffer(jschar *p, size_t length) {
8027         ((void) 0);
8028         mHeader.initShortString(p, length);
8029     }
8030     inline void resetLength(size_t length) {
8031         mHeader.initShortString(mHeader.flatChars(), length);
8032     }
8033     inline JSString *header() {
8034         return &mHeader;
8035     }
8036     static const size_t FREE_STRING_WORDS = 2;
8037     static const size_t MAX_SHORT_STRING_LENGTH =
8038             ((sizeof(JSString) + FREE_STRING_WORDS * sizeof(size_t)) / sizeof(jschar)) - 1;
8039     static inline bool fitsIntoShortString(size_t length) {
8040         return length <= MAX_SHORT_STRING_LENGTH;
8041     }
8042     __attribute__((always_inline)) inline void finalize(JSContext *cx);
8043     static void staticAsserts() {
8044         typedef int js_static_assert43[(__builtin_offsetof (JSString, inlineStorage) == sizeof(JSString) - JSShortString::FREE_STRING_WORDS * sizeof(void *)) ? 1 : -1]
8045                                                                                               ;
8046         typedef int js_static_assert44[(__builtin_offsetof (JSShortString, mDummy) == sizeof(JSString)) ? 1 : -1];
8047         typedef int js_static_assert45[(__builtin_offsetof (JSString, inlineStorage) + sizeof(jschar) * (JSShortString::MAX_SHORT_STRING_LENGTH + 1) == sizeof(JSShortString)) ? 1 : -1]
8048                                                ;
8049     }
8050 };
8051 namespace js {
8052 class StringBuffer;
8053 class StringSegmentRange;
8054 class MutatingRopeSegmentRange;
8055 class RopeBuilder;
8056 }
8057 extern const jschar *
8058 js_GetStringChars(JSContext *cx, JSString *str);
8059 extern const jschar *
8060 js_UndependString(JSContext *cx, JSString *str);
8061 extern JSBool
8062 js_MakeStringImmutable(JSContext *cx, JSString *str);
8063 extern JSString *
8064 js_toLowerCase(JSContext *cx, JSString *str);
8065 extern JSString *
8066 js_toUpperCase(JSContext *cx, JSString *str);
8067 struct JSSubString {
8068     size_t length;
8069     const jschar *chars;
8070 };
8071 extern jschar js_empty_ucstr[];
8072 extern JSSubString js_EmptySubString;
8073 extern const uint8 js_X[];
8074 extern const uint8 js_Y[];
8075 extern const uint32 js_A[];
8076 typedef enum JSCharType {
8077     JSCT_UNASSIGNED = 0,
8078     JSCT_UPPERCASE_LETTER = 1,
8079     JSCT_LOWERCASE_LETTER = 2,
8080     JSCT_TITLECASE_LETTER = 3,
8081     JSCT_MODIFIER_LETTER = 4,
8082     JSCT_OTHER_LETTER = 5,
8083     JSCT_NON_SPACING_MARK = 6,
8084     JSCT_ENCLOSING_MARK = 7,
8085     JSCT_COMBINING_SPACING_MARK = 8,
8086     JSCT_DECIMAL_DIGIT_NUMBER = 9,
8087     JSCT_LETTER_NUMBER = 10,
8088     JSCT_OTHER_NUMBER = 11,
8089     JSCT_SPACE_SEPARATOR = 12,
8090     JSCT_LINE_SEPARATOR = 13,
8091     JSCT_PARAGRAPH_SEPARATOR = 14,
8092     JSCT_CONTROL = 15,
8093     JSCT_FORMAT = 16,
8094     JSCT_PRIVATE_USE = 18,
8095     JSCT_SURROGATE = 19,
8096     JSCT_DASH_PUNCTUATION = 20,
8097     JSCT_START_PUNCTUATION = 21,
8098     JSCT_END_PUNCTUATION = 22,
8099     JSCT_CONNECTOR_PUNCTUATION = 23,
8100     JSCT_OTHER_PUNCTUATION = 24,
8101     JSCT_MATH_SYMBOL = 25,
8102     JSCT_CURRENCY_SYMBOL = 26,
8103     JSCT_MODIFIER_SYMBOL = 27,
8104     JSCT_OTHER_SYMBOL = 28
8105 } JSCharType;
8106 extern const bool js_alnum[];
8107 const jschar BYTE_ORDER_MARK = 0xFEFF;
8108 const jschar NO_BREAK_SPACE = 0x00A0;
8109 static inline
8110               bool
8111 JS_ISSPACE(jschar c)
8112 {
8113     unsigned w = c;
8114     if (w < 256)
8115         return (w <= ' ' && (w == ' ' || (9 <= w && w <= 0xD))) || w == NO_BREAK_SPACE;
8116     return w == BYTE_ORDER_MARK || ((js_A[js_Y[(js_X[(uint16)(w)>>6]<<6)|((w)&0x3F)]]) & 0x00070000) == 0x00040000;
8117 }
8118 extern js::Class js_StringClass;
8119 inline
8120        bool
8121 JSObject::isString() const
8122 {
8123     return getClass() == &js_StringClass;
8124 }
8125 extern JSObject *
8126 js_InitStringClass(JSContext *cx, JSObject *obj);
8127 extern const char js_escape_str[];
8128 extern const char js_unescape_str[];
8129 extern const char js_uneval_str[];
8130 extern const char js_decodeURI_str[];
8131 extern const char js_encodeURI_str[];
8132 extern const char js_decodeURIComponent_str[];
8133 extern const char js_encodeURIComponent_str[];
8134 extern JSFlatString *
8135 js_NewString(JSContext *cx, jschar *chars, size_t length);
8136 extern JSLinearString *
8137 js_NewDependentString(JSContext *cx, JSString *base, size_t start,
8138                       size_t length);
8139 extern JSFlatString *
8140 js_NewStringCopyN(JSContext *cx, const jschar *s, size_t n);
8141 extern JSFlatString *
8142 js_NewStringCopyN(JSContext *cx, const char *s, size_t n);
8143 extern JSFlatString *
8144 js_NewStringCopyZ(JSContext *cx, const jschar *s);
8145 extern JSFlatString *
8146 js_NewStringCopyZ(JSContext *cx, const char *s);
8147 extern const char *
8148 js_ValueToPrintable(JSContext *cx, const js::Value &,
8149                     JSAutoByteString *bytes, bool asSource = false);
8150 extern JSString *
8151 js_ValueToString(JSContext *cx, const js::Value &v);
8152 namespace js {
8153 static __attribute__((always_inline)) inline JSString *
8154 ValueToString_TestForStringInline(JSContext *cx, const Value &v)
8155 {
8156     if (v.isString())
8157         return v.toString();
8158     return js_ValueToString(cx, v);
8159 }
8160 extern
8161        bool
8162 ValueToStringBuffer(JSContext *cx, const Value &v, StringBuffer &sb);
8163 }
8164 extern __attribute__((visibility ("default"))) JSString *
8165 js_ValueToSource(JSContext *cx, const js::Value &v);
8166 inline uint32
8167 js_HashString(JSLinearString *str)
8168 {
8169     const jschar *s = str->chars();
8170     size_t n = str->length();
8171     uint32 h;
8172     for (h = 0; n; s++, n--)
8173         h = (((h) << (4)) | ((h) >> (32 - (4)))) ^ *s;
8174     return h;
8175 }
8176 namespace js {
8177 extern
8178        bool
8179 EqualStrings(JSContext *cx, JSString *str1, JSString *str2, JSBool *result);
8180 extern
8181        bool
8182 EqualStrings(JSLinearString *str1, JSLinearString *str2);
8183 extern
8184        bool
8185 CompareStrings(JSContext *cx, JSString *str1, JSString *str2, int32 *result);
8186 extern
8187        bool
8188 StringEqualsAscii(JSLinearString *str, const char *asciiBytes);
8189 }
8190 static const jsuint sBMHCharSetSize = 256;
8191 static const jsuint sBMHPatLenMax = 255;
8192 static const jsint sBMHBadPattern = -2;
8193 extern jsint
8194 js_BoyerMooreHorspool(const jschar *text, jsuint textlen,
8195                       const jschar *pat, jsuint patlen);
8196 extern size_t
8197 js_strlen(const jschar *s);
8198 extern jschar *
8199 js_strchr(const jschar *s, jschar c);
8200 extern jschar *
8201 js_strchr_limit(const jschar *s, jschar c, const jschar *limit);
8202 inline void
8203 js_short_strncpy(jschar *dest, const jschar *src, size_t num)
8204 {
8205     ((void) 0);
8206     for (size_t i = 0; i < num; i++)
8207         dest[i] = src[i];
8208 }
8209 static inline const jschar *
8210 js_SkipWhiteSpace(const jschar *s, const jschar *end)
8211 {
8212     ((void) 0);
8213     while (s != end && JS_ISSPACE(*s))
8214         s++;
8215     return s;
8216 }
8217 extern jschar *
8218 js_InflateString(JSContext *cx, const char *bytes, size_t *length);
8219 extern char *
8220 js_DeflateString(JSContext *cx, const jschar *chars, size_t length);
8221 extern JSBool
8222 js_InflateStringToBuffer(JSContext *cx, const char *bytes, size_t length,
8223                          jschar *chars, size_t *charsLength);
8224 extern JSBool
8225 js_InflateUTF8StringToBuffer(JSContext *cx, const char *bytes, size_t length,
8226                              jschar *chars, size_t *charsLength);
8227 extern size_t
8228 js_GetDeflatedStringLength(JSContext *cx, const jschar *chars,
8229                            size_t charsLength);
8230 extern size_t
8231 js_GetDeflatedUTF8StringLength(JSContext *cx, const jschar *chars,
8232                                size_t charsLength);
8233 extern JSBool
8234 js_DeflateStringToBuffer(JSContext *cx, const jschar *chars,
8235                          size_t charsLength, char *bytes, size_t *length);
8236 extern JSBool
8237 js_DeflateStringToUTF8Buffer(JSContext *cx, const jschar *chars,
8238                              size_t charsLength, char *bytes, size_t *length);
8239 extern JSBool
8240 js_str_escape(JSContext *cx, uintN argc, js::Value *argv, js::Value *rval);
8241 namespace js {
8242 extern JSBool
8243 str_replace(JSContext *cx, uintN argc, js::Value *vp);
8244 }
8245 extern JSBool
8246 js_str_toString(JSContext *cx, uintN argc, js::Value *vp);
8247 extern JSBool
8248 js_str_charAt(JSContext *cx, uintN argc, js::Value *vp);
8249 extern JSBool
8250 js_str_charCodeAt(JSContext *cx, uintN argc, js::Value *vp);
8251 extern int
8252 js_OneUcs4ToUtf8Char(uint8 *utf8Buffer, uint32 ucs4Char);
8253 namespace js {
8254 extern size_t
8255 PutEscapedStringImpl(char *buffer, size_t size, FILE *fp, JSLinearString *str, uint32 quote);
8256 inline size_t
8257 PutEscapedString(char *buffer, size_t size, JSLinearString *str, uint32 quote)
8258 {
8259     size_t n = PutEscapedStringImpl(buffer, size, __null, str, quote);
8260     ((void) 0);
8261     return n;
8262 }
8263 inline
8264        bool
8265 FileEscapedString(FILE *fp, JSLinearString *str, uint32 quote)
8266 {
8267     return PutEscapedStringImpl(__null, 0, fp, str, quote) != size_t(-1);
8268 }
8269 }
8270 extern JSBool
8271 js_String(JSContext *cx, uintN argc, js::Value *vp);
8272 static __attribute__((always_inline)) inline jsid
8273 JSID_FROM_BITS(size_t bits)
8274 {
8275     jsid id;
8276     (id) = bits;
8277     return id;
8278 }
8279 static __attribute__((always_inline)) inline jsid
8280 ATOM_TO_JSID(JSAtom *atom)
8281 {
8282     ((void) 0);
8283     return JSID_FROM_BITS((size_t)atom);
8284 }
8285 static __attribute__((always_inline)) inline JSBool
8286 JSID_IS_ATOM(jsid id)
8287 {
8288     return JSID_IS_STRING(id);
8289 }
8290 static __attribute__((always_inline)) inline JSBool
8291 JSID_IS_ATOM(jsid id, JSAtom *atom)
8292 {
8293     return (id) == (ATOM_TO_JSID(atom));
8294 }
8295 static __attribute__((always_inline)) inline JSAtom *
8296 JSID_TO_ATOM(jsid id)
8297 {
8298     return (JSAtom *)JSID_TO_STRING(id);
8299 }
8300 namespace js {
8301 static __attribute__((always_inline)) inline Value
8302 IdToValue(jsid id)
8303 {
8304     if (JSID_IS_STRING(id))
8305         return StringValue(JSID_TO_STRING(id));
8306     if ((__builtin_expect((JSID_IS_INT(id)), 1)))
8307         return Int32Value(JSID_TO_INT(id));
8308     if ((__builtin_expect((JSID_IS_OBJECT(id)), 1)))
8309         return ObjectValue(*JSID_TO_OBJECT(id));
8310     ((void) 0);
8311     return UndefinedValue();
8312 }
8313 static __attribute__((always_inline)) inline jsval
8314 IdToJsval(jsid id)
8315 {
8316     return Jsvalify(IdToValue(id));
8317 }
8318 }
8319 extern const char *
8320 js_AtomToPrintableString(JSContext *cx, JSAtom *atom, JSAutoByteString *bytes);
8321 struct JSAtomListElement {
8322     JSHashEntry entry;
8323 };
8324 struct JSAtomSet {
8325     JSHashEntry *list;
8326     JSHashTable *table;
8327     jsuint count;
8328 };
8329 struct JSAtomList : public JSAtomSet
8330 {
8331     JSAtomList() {
8332         list = __null; table = __null; count = 0;
8333     }
8334     JSAtomList(const JSAtomSet& as) {
8335         list = as.list; table = as.table; count = as.count;
8336     }
8337     void clear() { ((void) 0); list = __null; table = __null; count = 0; }
8338     JSAtomListElement *lookup(JSAtom *atom) {
8339         JSHashEntry **hep;
8340         return rawLookup(atom, hep);
8341     }
8342     JSAtomListElement *rawLookup(JSAtom *atom, JSHashEntry **&hep);
8343     enum AddHow { UNIQUE, SHADOW, HOIST };
8344     JSAtomListElement *add(js::Parser *parser, JSAtom *atom, AddHow how = UNIQUE);
8345     void remove(js::Parser *parser, JSAtom *atom) {
8346         JSHashEntry **hep;
8347         JSAtomListElement *ale = rawLookup(atom, hep);
8348         if (ale)
8349             rawRemove(parser, ale, hep);
8350     }
8351     void rawRemove(js::Parser *parser, JSAtomListElement *ale, JSHashEntry **hep);
8352 };
8353 struct JSAutoAtomList: public JSAtomList
8354 {
8355     JSAutoAtomList(js::Parser *p): parser(p) {}
8356     ~JSAutoAtomList();
8357   private:
8358     js::Parser *parser;
8359 };
8360 class JSAtomListIterator {
8361     JSAtomList* list;
8362     JSAtomListElement* next;
8363     uint32 index;
8364   public:
8365     JSAtomListIterator(JSAtomList* al) : list(al) { reset(); }
8366     void reset() {
8367         next = (JSAtomListElement *) list->list;
8368         index = 0;
8369     }
8370     JSAtomListElement* operator ()();
8371 };
8372 struct JSAtomMap {
8373     JSAtom **vector;
8374     jsatomid length;
8375 };
8376 namespace js {
8377 typedef int js_static_assert46[(((size_t)(0x1 | 0x2)) < JS_GCTHING_ALIGN) ? 1 : -1];
8378 typedef uintptr_t AtomEntryType;
8379 static __attribute__((always_inline)) inline JSAtom *
8380 AtomEntryToKey(AtomEntryType entry)
8381 {
8382     ((void) 0);
8383     return (JSAtom *)(entry & ~((size_t)(0x1 | 0x2)));
8384 }
8385 struct AtomHasher
8386 {
8387     typedef JSLinearString *Lookup;
8388     static HashNumber hash(JSLinearString *str) {
8389         return js_HashString(str);
8390     }
8391     static bool match(AtomEntryType entry, JSLinearString *lookup) {
8392         return entry ? EqualStrings(AtomEntryToKey(entry), lookup) : false;
8393     }
8394 };
8395 typedef HashSet<AtomEntryType, AtomHasher, SystemAllocPolicy> AtomSet;
8396 }
8397 struct JSAtomState
8398 {
8399     js::AtomSet atoms;
8400     JSThinLock lock;
8401     JSAtom *emptyAtom;
8402     JSAtom *booleanAtoms[2];
8403     JSAtom *typeAtoms[JSTYPE_LIMIT];
8404     JSAtom *nullAtom;
8405     JSAtom *classAtoms[JSProto_LIMIT];
8406     JSAtom *anonymousAtom;
8407     JSAtom *applyAtom;
8408     JSAtom *argumentsAtom;
8409     JSAtom *arityAtom;
8410     JSAtom *callAtom;
8411     JSAtom *calleeAtom;
8412     JSAtom *callerAtom;
8413     JSAtom *classPrototypeAtom;
8414     JSAtom *constructorAtom;
8415     JSAtom *eachAtom;
8416     JSAtom *evalAtom;
8417     JSAtom *fileNameAtom;
8418     JSAtom *getAtom;
8419     JSAtom *globalAtom;
8420     JSAtom *ignoreCaseAtom;
8421     JSAtom *indexAtom;
8422     JSAtom *inputAtom;
8423     JSAtom *toISOStringAtom;
8424     JSAtom *iteratorAtom;
8425     JSAtom *joinAtom;
8426     JSAtom *lastIndexAtom;
8427     JSAtom *lengthAtom;
8428     JSAtom *lineNumberAtom;
8429     JSAtom *messageAtom;
8430     JSAtom *multilineAtom;
8431     JSAtom *nameAtom;
8432     JSAtom *nextAtom;
8433     JSAtom *noSuchMethodAtom;
8434     JSAtom *objectNullAtom;
8435     JSAtom *objectUndefinedAtom;
8436     JSAtom *protoAtom;
8437     JSAtom *setAtom;
8438     JSAtom *sourceAtom;
8439     JSAtom *stackAtom;
8440     JSAtom *stickyAtom;
8441     JSAtom *toGMTStringAtom;
8442     JSAtom *toLocaleStringAtom;
8443     JSAtom *toSourceAtom;
8444     JSAtom *toStringAtom;
8445     JSAtom *toUTCStringAtom;
8446     JSAtom *valueOfAtom;
8447     JSAtom *toJSONAtom;
8448     JSAtom *void0Atom;
8449     JSAtom *enumerableAtom;
8450     JSAtom *configurableAtom;
8451     JSAtom *writableAtom;
8452     JSAtom *valueAtom;
8453     JSAtom *testAtom;
8454     JSAtom *useStrictAtom;
8455     JSAtom *locAtom;
8456     JSAtom *lineAtom;
8457     JSAtom *InfinityAtom;
8458     JSAtom *NaNAtom;
8459     JSAtom *builderAtom;
8460     JSAtom *etagoAtom;
8461     JSAtom *namespaceAtom;
8462     JSAtom *ptagcAtom;
8463     JSAtom *qualifierAtom;
8464     JSAtom *spaceAtom;
8465     JSAtom *stagoAtom;
8466     JSAtom *starAtom;
8467     JSAtom *starQualifierAtom;
8468     JSAtom *tagcAtom;
8469     JSAtom *xmlAtom;
8470     JSAtom *functionNamespaceURIAtom;
8471     JSAtom *ProxyAtom;
8472     JSAtom *getOwnPropertyDescriptorAtom;
8473     JSAtom *getPropertyDescriptorAtom;
8474     JSAtom *definePropertyAtom;
8475     JSAtom *deleteAtom;
8476     JSAtom *getOwnPropertyNamesAtom;
8477     JSAtom *enumerateAtom;
8478     JSAtom *fixAtom;
8479     JSAtom *hasAtom;
8480     JSAtom *hasOwnAtom;
8481     JSAtom *keysAtom;
8482     JSAtom *iterateAtom;
8483     struct {
8484         JSAtom *XMLListAtom;
8485         JSAtom *decodeURIAtom;
8486         JSAtom *decodeURIComponentAtom;
8487         JSAtom *defineGetterAtom;
8488         JSAtom *defineSetterAtom;
8489         JSAtom *encodeURIAtom;
8490         JSAtom *encodeURIComponentAtom;
8491         JSAtom *escapeAtom;
8492         JSAtom *hasOwnPropertyAtom;
8493         JSAtom *isFiniteAtom;
8494         JSAtom *isNaNAtom;
8495         JSAtom *isPrototypeOfAtom;
8496         JSAtom *isXMLNameAtom;
8497         JSAtom *lookupGetterAtom;
8498         JSAtom *lookupSetterAtom;
8499         JSAtom *parseFloatAtom;
8500         JSAtom *parseIntAtom;
8501         JSAtom *propertyIsEnumerableAtom;
8502         JSAtom *unescapeAtom;
8503         JSAtom *unevalAtom;
8504         JSAtom *unwatchAtom;
8505         JSAtom *watchAtom;
8506     } lazy;
8507 };
8508 extern const char *const js_common_atom_names[];
8509 extern const size_t js_common_atom_count;
8510 extern const char js_Null_str[];
8511 extern const char js_Object_str[];
8512 extern const char js_Function_str[];
8513 extern const char js_Array_str[];
8514 extern const char js_Boolean_str[];
8515 extern const char js_JSON_str[];
8516 extern const char js_Date_str[];
8517 extern const char js_Math_str[];
8518 extern const char js_Number_str[];
8519 extern const char js_String_str[];
8520 extern const char js_RegExp_str[];
8521 extern const char js_XML_str[];
8522 extern const char js_Namespace_str[];
8523 extern const char js_QName_str[];
8524 extern const char js_Reflect_str[];
8525 extern const char js_ASTNode_str[];
8526 extern const char js_Error_str[];
8527 extern const char js_InternalError_str[];
8528 extern const char js_EvalError_str[];
8529 extern const char js_RangeError_str[];
8530 extern const char js_ReferenceError_str[];
8531 extern const char js_SyntaxError_str[];
8532 extern const char js_TypeError_str[];
8533 extern const char js_URIError_str[];
8534 extern const char js_Generator_str[];
8535 extern const char js_Iterator_str[];
8536 extern const char js_StopIteration_str[];
8537 extern const char js_ArrayBuffer_str[];
8538 extern const char js_Int8Array_str[];
8539 extern const char js_Uint8Array_str[];
8540 extern const char js_Int16Array_str[];
8541 extern const char js_Uint16Array_str[];
8542 extern const char js_Int32Array_str[];
8543 extern const char js_Uint32Array_str[];
8544 extern const char js_Float32Array_str[];
8545 extern const char js_Float64Array_str[];
8546 extern const char js_Uint8ClampedArray_str[];
8547 extern const char js_Proxy_str[];
8548 extern const char js_AnyName_str[];
8549 extern const char js_anonymous_str[];
8550 extern const char js_apply_str[];
8551 extern const char js_arguments_str[];
8552 extern const char js_arity_str[];
8553 extern const char js_call_str[];
8554 extern const char js_callee_str[];
8555 extern const char js_caller_str[];
8556 extern const char js_class_prototype_str[];
8557 extern const char js_close_str[];
8558 extern const char js_constructor_str[];
8559 extern const char js_count_str[];
8560 extern const char js_etago_str[];
8561 extern const char js_each_str[];
8562 extern const char js_eval_str[];
8563 extern const char js_fileName_str[];
8564 extern const char js_get_str[];
8565 extern const char js_getter_str[];
8566 extern const char js_global_str[];
8567 extern const char js_ignoreCase_str[];
8568 extern const char js_index_str[];
8569 extern const char js_input_str[];
8570 extern const char js_iterator_str[];
8571 extern const char js_join_str[];
8572 extern const char js_lastIndex_str[];
8573 extern const char js_length_str[];
8574 extern const char js_lineNumber_str[];
8575 extern const char js_message_str[];
8576 extern const char js_multiline_str[];
8577 extern const char js_name_str[];
8578 extern const char js_namespace_str[];
8579 extern const char js_next_str[];
8580 extern const char js_noSuchMethod_str[];
8581 extern const char js_object_str[];
8582 extern const char js_proto_str[];
8583 extern const char js_ptagc_str[];
8584 extern const char js_qualifier_str[];
8585 extern const char js_send_str[];
8586 extern const char js_setter_str[];
8587 extern const char js_set_str[];
8588 extern const char js_source_str[];
8589 extern const char js_space_str[];
8590 extern const char js_stack_str[];
8591 extern const char js_sticky_str[];
8592 extern const char js_stago_str[];
8593 extern const char js_star_str[];
8594 extern const char js_starQualifier_str[];
8595 extern const char js_tagc_str[];
8596 extern const char js_toGMTString_str[];
8597 extern const char js_toLocaleString_str[];
8598 extern const char js_toSource_str[];
8599 extern const char js_toString_str[];
8600 extern const char js_toUTCString_str[];
8601 extern const char js_undefined_str[];
8602 extern const char js_valueOf_str[];
8603 extern const char js_toJSON_str[];
8604 extern const char js_xml_str[];
8605 extern const char js_enumerable_str[];
8606 extern const char js_configurable_str[];
8607 extern const char js_writable_str[];
8608 extern const char js_value_str[];
8609 extern const char js_test_str[];
8610 extern JSBool
8611 js_InitAtomState(JSRuntime *rt);
8612 extern void
8613 js_FinishAtomState(JSRuntime *rt);
8614 extern void
8615 js_TraceAtomState(JSTracer *trc);
8616 extern void
8617 js_SweepAtomState(JSContext *cx);
8618 extern JSBool
8619 js_InitCommonAtoms(JSContext *cx);
8620 extern void
8621 js_FinishCommonAtoms(JSContext *cx);
8622 extern JSAtom *
8623 js_AtomizeString(JSContext *cx, JSString *str, uintN flags);
8624 extern JSAtom *
8625 js_Atomize(JSContext *cx, const char *bytes, size_t length, uintN flags);
8626 extern JSAtom *
8627 js_AtomizeChars(JSContext *cx, const jschar *chars, size_t length, uintN flags);
8628 extern JSAtom *
8629 js_GetExistingStringAtom(JSContext *cx, const jschar *chars, size_t length);
8630 inline
8631        bool
8632 js_ValueToAtom(JSContext *cx, const js::Value &v, JSAtom **atomp);
8633 inline
8634        bool
8635 js_ValueToStringId(JSContext *cx, const js::Value &v, jsid *idp);
8636 inline
8637        bool
8638 js_InternNonIntElementId(JSContext *cx, JSObject *obj, const js::Value &idval,
8639                          jsid *idp);
8640 inline
8641        bool
8642 js_InternNonIntElementId(JSContext *cx, JSObject *obj, const js::Value &idval,
8643                          jsid *idp, js::Value *vp);
8644 extern void
8645 js_InitAtomMap(JSContext *cx, JSAtomMap *map, JSAtomList *al);
8646 const uintN MIN_SPARSE_INDEX = 256;
8647 inline JSObject::EnsureDenseResult
8648 JSObject::ensureDenseArrayElements(JSContext *cx, uintN index, uintN extra)
8649 {
8650     ((void) 0);
8651     uintN currentCapacity = numSlots();
8652     uintN requiredCapacity;
8653     if (extra == 1) {
8654         if (index < currentCapacity)
8655             return ED_OK;
8656         requiredCapacity = index + 1;
8657         if (requiredCapacity == 0) {
8658             return ED_SPARSE;
8659         }
8660     } else {
8661         requiredCapacity = index + extra;
8662         if (requiredCapacity < index) {
8663             return ED_SPARSE;
8664         }
8665         if (requiredCapacity <= currentCapacity)
8666             return ED_OK;
8667     }
8668     if (requiredCapacity > MIN_SPARSE_INDEX &&
8669         willBeSparseDenseArray(requiredCapacity, extra)) {
8670         return ED_SPARSE;
8671     }
8672     return growSlots(cx, requiredCapacity) ? ED_OK : ED_FAILED;
8673 }
8674 extern
8675        bool
8676 js_StringIsIndex(JSLinearString *str, jsuint *indexp);
8677 inline JSBool
8678 js_IdIsIndex(jsid id, jsuint *indexp)
8679 {
8680     if (JSID_IS_INT(id)) {
8681         jsint i;
8682         i = JSID_TO_INT(id);
8683         if (i < 0)
8684             return (JSIntn)0;
8685         *indexp = (jsuint)i;
8686         return (JSIntn)1;
8687     }
8688     if ((__builtin_expect((!JSID_IS_STRING(id)), 0)))
8689         return (JSIntn)0;
8690     return js_StringIsIndex(JSID_TO_ATOM(id), indexp);
8691 }
8692 inline
8693        bool
8694 js_IdValIsIndex(JSContext *cx, jsval id, jsuint *indexp, bool *isIndex)
8695 {
8696     if (JSVAL_IS_INT(id)) {
8697         jsint i;
8698         i = JSVAL_TO_INT(id);
8699         if (i < 0) {
8700             *isIndex = false;
8701             return true;
8702         }
8703         *indexp = (jsuint)i;
8704         *isIndex = true;
8705         return true;
8706     }
8707     if (!JSVAL_IS_STRING(id)) {
8708         *isIndex = false;
8709         return true;
8710     }
8711     JSLinearString *str = JSVAL_TO_STRING(id)->ensureLinear(cx);
8712     if (!str)
8713         return false;
8714     *isIndex = js_StringIsIndex(str, indexp);
8715     return true;
8716 }
8717 extern js::Class js_ArrayClass, js_SlowArrayClass;
8718 inline
8719        bool
8720 JSObject::isDenseArray() const
8721 {
8722     return getClass() == &js_ArrayClass;
8723 }
8724 inline
8725        bool
8726 JSObject::isSlowArray() const
8727 {
8728     return getClass() == &js_SlowArrayClass;
8729 }
8730 inline
8731        bool
8732 JSObject::isArray() const
8733 {
8734     return isDenseArray() || isSlowArray();
8735 }
8736 static inline JSObject *
8737 js_GetProtoIfDenseArray(JSObject *obj)
8738 {
8739     return obj->isDenseArray() ? obj->getProto() : obj;
8740 }
8741 extern JSObject *
8742 js_InitArrayClass(JSContext *cx, JSObject *obj);
8743 extern
8744        bool
8745 js_InitContextBusyArrayTable(JSContext *cx);
8746 namespace js
8747 {
8748 extern JSObject *
8749 NewDenseEmptyArray(JSContext *cx, JSObject *proto=__null);
8750 extern JSObject *
8751 NewDenseAllocatedArray(JSContext *cx, uint length, JSObject *proto=__null);
8752 extern JSObject *
8753 NewDenseUnallocatedArray(JSContext *cx, uint length, JSObject *proto=__null);
8754 extern JSObject *
8755 NewDenseCopiedArray(JSContext *cx, uint length, Value *vp, JSObject *proto=__null);
8756 extern JSObject *
8757 NewSlowEmptyArray(JSContext *cx);
8758 }
8759 extern JSBool
8760 js_GetLengthProperty(JSContext *cx, JSObject *obj, jsuint *lengthp);
8761 extern JSBool
8762 js_SetLengthProperty(JSContext *cx, JSObject *obj, jsdouble length);
8763 extern JSBool
8764 js_HasLengthProperty(JSContext *cx, JSObject *obj, jsuint *lengthp);
8765 extern JSBool
8766 js_IndexToId(JSContext *cx, jsuint index, jsid *idp);
8767 namespace js {
8768 extern
8769        bool
8770 GetElements(JSContext *cx, JSObject *aobj, jsuint length, js::Value *vp);
8771 }
8772 typedef JSBool (*JSComparator)(void *arg, const void *a, const void *b,
8773                                int *result);
8774 enum JSMergeSortElemType {
8775     JS_SORTING_VALUES,
8776     JS_SORTING_GENERIC
8777 };
8778 extern
8779        bool
8780 js_MergeSort(void *vec, size_t nel, size_t elsize, JSComparator cmp,
8781              void *arg, void *tmp, JSMergeSortElemType elemType);
8782 namespace js {
8783 extern JSBool
8784 array_sort(JSContext *cx, uintN argc, js::Value *vp);
8785 }
8786 extern JSBool
8787 js_ArrayCompPush(JSContext *cx, JSObject *obj, const js::Value &vp);
8788 __attribute__((visibility ("default"))) JSBool
8789 js_CoerceArrayToCanvasImageData(JSObject *obj, jsuint offset, jsuint count,
8790                                 JSUint8 *dest);
8791 JSBool
8792 js_PrototypeHasIndexedProperties(JSContext *cx, JSObject *obj);
8793 JSBool
8794 js_GetDenseArrayElementValue(JSContext *cx, JSObject *obj, jsid id,
8795                              js::Value *vp);
8796 JSBool
8797 js_Array(JSContext *cx, uintN argc, js::Value *vp);
8798 __attribute__((visibility ("default"))) JSBool
8799 js_CloneDensePrimitiveArray(JSContext *cx, JSObject *obj, JSObject **clone);
8800 __attribute__((visibility ("default"))) JSBool
8801 js_IsDensePrimitiveArray(JSObject *obj);
8802 extern JSBool
8803 js_EnsureDenseArrayCapacity(JSContext *cx, JSObject *obj, jsint i);
8804 extern js::Class js_BooleanClass;
8805 inline
8806        bool
8807 JSObject::isBoolean() const
8808 {
8809     return getClass() == &js_BooleanClass;
8810 }
8811 extern JSObject *
8812 js_InitBooleanClass(JSContext *cx, JSObject *obj);
8813 extern JSString *
8814 js_BooleanToString(JSContext *cx, JSBool b);
8815 namespace js {
8816 extern
8817        bool
8818 BooleanToStringBuffer(JSContext *cx, JSBool b, StringBuffer &sb);
8819 }
8820 extern JSBool
8821 js_ValueToBoolean(const js::Value &v);
8822 extern "C" {
8823 typedef struct JSArena JSArena;
8824 typedef struct JSArenaPool JSArenaPool;
8825 struct JSArena {
8826     JSArena *next;
8827     jsuword base;
8828     jsuword limit;
8829     jsuword avail;
8830 };
8831 struct JSArenaPool {
8832     JSArena first;
8833     JSArena *current;
8834     size_t arenasize;
8835     jsuword mask;
8836     size_t *quotap;
8837 };
8838 extern __attribute__((visibility ("default"))) void
8839 JS_InitArenaPool(JSArenaPool *pool, const char *name, size_t size,
8840                  size_t align, size_t *quotap);
8841 extern __attribute__((visibility ("default"))) void
8842 JS_FreeArenaPool(JSArenaPool *pool);
8843 extern __attribute__((visibility ("default"))) void
8844 JS_FinishArenaPool(JSArenaPool *pool);
8845 extern __attribute__((visibility ("default"))) void
8846 JS_ArenaFinish(void);
8847 extern __attribute__((visibility ("default"))) void
8848 JS_ArenaShutDown(void);
8849 extern __attribute__((visibility ("default"))) void *
8850 JS_ArenaAllocate(JSArenaPool *pool, size_t nb);
8851 extern __attribute__((visibility ("default"))) void *
8852 JS_ArenaRealloc(JSArenaPool *pool, void *p, size_t size, size_t incr);
8853 extern __attribute__((visibility ("default"))) void *
8854 JS_ArenaGrow(JSArenaPool *pool, void *p, size_t size, size_t incr);
8855 extern __attribute__((visibility ("default"))) void
8856 JS_ArenaRelease(JSArenaPool *pool, char *mark);
8857 }
8858 typedef struct JSCListStr {
8859     struct JSCListStr *next;
8860     struct JSCListStr *prev;
8861 } JSCList;
8862 extern "C" {
8863 typedef uint32 JSDHashNumber;
8864 typedef struct JSDHashEntryHdr JSDHashEntryHdr;
8865 typedef struct JSDHashEntryStub JSDHashEntryStub;
8866 typedef struct JSDHashTable JSDHashTable;
8867 typedef struct JSDHashTableOps JSDHashTableOps;
8868 struct JSDHashEntryHdr {
8869     JSDHashNumber keyHash;
8870 };
8871 struct JSDHashTable {
8872     const JSDHashTableOps *ops;
8873     void *data;
8874     int16 hashShift;
8875     uint8 maxAlphaFrac;
8876     uint8 minAlphaFrac;
8877     uint32 entrySize;
8878     uint32 entryCount;
8879     uint32 removedCount;
8880     uint32 generation;
8881     char *entryStore;
8882 };
8883 typedef void *
8884 (* JSDHashAllocTable)(JSDHashTable *table, uint32 nbytes);
8885 typedef void
8886 (* JSDHashFreeTable) (JSDHashTable *table, void *ptr);
8887 typedef JSDHashNumber
8888 (* JSDHashHashKey) (JSDHashTable *table, const void *key);
8889 typedef JSBool
8890 (* JSDHashMatchEntry)(JSDHashTable *table, const JSDHashEntryHdr *entry,
8891                       const void *key);
8892 typedef void
8893 (* JSDHashMoveEntry)(JSDHashTable *table, const JSDHashEntryHdr *from,
8894                      JSDHashEntryHdr *to);
8895 typedef void
8896 (* JSDHashClearEntry)(JSDHashTable *table, JSDHashEntryHdr *entry);
8897 typedef void
8898 (* JSDHashFinalize) (JSDHashTable *table);
8899 typedef JSBool
8900 (* JSDHashInitEntry)(JSDHashTable *table, JSDHashEntryHdr *entry,
8901                      const void *key);
8902 struct JSDHashTableOps {
8903     JSDHashAllocTable allocTable;
8904     JSDHashFreeTable freeTable;
8905     JSDHashHashKey hashKey;
8906     JSDHashMatchEntry matchEntry;
8907     JSDHashMoveEntry moveEntry;
8908     JSDHashClearEntry clearEntry;
8909     JSDHashFinalize finalize;
8910     JSDHashInitEntry initEntry;
8911 };
8912 extern __attribute__((visibility ("default"))) void *
8913 JS_DHashAllocTable(JSDHashTable *table, uint32 nbytes);
8914 extern __attribute__((visibility ("default"))) void
8915 JS_DHashFreeTable(JSDHashTable *table, void *ptr);
8916 extern __attribute__((visibility ("default"))) JSDHashNumber
8917 JS_DHashStringKey(JSDHashTable *table, const void *key);
8918 struct JSDHashEntryStub {
8919     JSDHashEntryHdr hdr;
8920     const void *key;
8921 };
8922 extern __attribute__((visibility ("default"))) JSDHashNumber
8923 JS_DHashVoidPtrKeyStub(JSDHashTable *table, const void *key);
8924 extern __attribute__((visibility ("default"))) JSBool
8925 JS_DHashMatchEntryStub(JSDHashTable *table,
8926                        const JSDHashEntryHdr *entry,
8927                        const void *key);
8928 extern __attribute__((visibility ("default"))) JSBool
8929 JS_DHashMatchStringKey(JSDHashTable *table,
8930                        const JSDHashEntryHdr *entry,
8931                        const void *key);
8932 extern __attribute__((visibility ("default"))) void
8933 JS_DHashMoveEntryStub(JSDHashTable *table,
8934                       const JSDHashEntryHdr *from,
8935                       JSDHashEntryHdr *to);
8936 extern __attribute__((visibility ("default"))) void
8937 JS_DHashClearEntryStub(JSDHashTable *table, JSDHashEntryHdr *entry);
8938 extern __attribute__((visibility ("default"))) void
8939 JS_DHashFreeStringKey(JSDHashTable *table, JSDHashEntryHdr *entry);
8940 extern __attribute__((visibility ("default"))) void
8941 JS_DHashFinalizeStub(JSDHashTable *table);
8942 extern __attribute__((visibility ("default"))) const JSDHashTableOps *
8943 JS_DHashGetStubOps(void);
8944 extern __attribute__((visibility ("default"))) JSDHashTable *
8945 JS_NewDHashTable(const JSDHashTableOps *ops, void *data, uint32 entrySize,
8946                  uint32 capacity);
8947 extern __attribute__((visibility ("default"))) void
8948 JS_DHashTableDestroy(JSDHashTable *table);
8949 extern __attribute__((visibility ("default"))) JSBool
8950 JS_DHashTableInit(JSDHashTable *table, const JSDHashTableOps *ops, void *data,
8951                   uint32 entrySize, uint32 capacity);
8952 extern __attribute__((visibility ("default"))) void
8953 JS_DHashTableSetAlphaBounds(JSDHashTable *table,
8954                             float maxAlpha,
8955                             float minAlpha);
8956 extern __attribute__((visibility ("default"))) void
8957 JS_DHashTableFinish(JSDHashTable *table);
8958 typedef enum JSDHashOperator {
8959     JS_DHASH_LOOKUP = 0,
8960     JS_DHASH_ADD = 1,
8961     JS_DHASH_REMOVE = 2,
8962     JS_DHASH_NEXT = 0,
8963     JS_DHASH_STOP = 1
8964 } JSDHashOperator;
8965 extern __attribute__((visibility ("default"))) JSDHashEntryHdr *
8966 JS_DHashTableOperate(JSDHashTable *table, const void *key, JSDHashOperator op);
8967 extern __attribute__((visibility ("default"))) void
8968 JS_DHashTableRawRemove(JSDHashTable *table, JSDHashEntryHdr *entry);
8969 typedef JSDHashOperator
8970 (* JSDHashEnumerator)(JSDHashTable *table, JSDHashEntryHdr *hdr, uint32 number,
8971                       void *arg);
8972 extern __attribute__((visibility ("default"))) uint32
8973 JS_DHashTableEnumerate(JSDHashTable *table, JSDHashEnumerator etor, void *arg);
8974 }
8975 extern "C" {
8976 struct DtoaState;
8977 DtoaState *
8978 js_NewDtoaState();
8979 void
8980 js_DestroyDtoaState(DtoaState *state);
8981 double
8982 js_strtod_harder(DtoaState *state, const char *s00, char **se, int *err);
8983 typedef enum JSDToStrMode {
8984     DTOSTR_STANDARD,
8985     DTOSTR_STANDARD_EXPONENTIAL,
8986     DTOSTR_FIXED,
8987     DTOSTR_EXPONENTIAL,
8988     DTOSTR_PRECISION
8989 } JSDToStrMode;
8990 char *
8991 js_dtostr(DtoaState *state, char *buffer, size_t bufferSize, JSDToStrMode mode, int precision,
8992           double dval);
8993 char *
8994 js_dtobasestr(DtoaState *state, int base, double d);
8995 }
8996 extern "C" {
8997 typedef enum JSOp {
8998 JSOP_NOP = 0,
8999 JSOP_PUSH = 1,
9000 JSOP_POPV = 2,
9001 JSOP_ENTERWITH = 3,
9002 JSOP_LEAVEWITH = 4,
9003 JSOP_RETURN = 5,
9004 JSOP_GOTO = 6,
9005 JSOP_IFEQ = 7,
9006 JSOP_IFNE = 8,
9007 JSOP_ARGUMENTS = 9,
9008 JSOP_FORARG = 10,
9009 JSOP_FORLOCAL = 11,
9010 JSOP_DUP = 12,
9011 JSOP_DUP2 = 13,
9012 JSOP_SETCONST = 14,
9013 JSOP_BITOR = 15,
9014 JSOP_BITXOR = 16,
9015 JSOP_BITAND = 17,
9016 JSOP_EQ = 18,
9017 JSOP_NE = 19,
9018 JSOP_LT = 20,
9019 JSOP_LE = 21,
9020 JSOP_GT = 22,
9021 JSOP_GE = 23,
9022 JSOP_LSH = 24,
9023 JSOP_RSH = 25,
9024 JSOP_URSH = 26,
9025 JSOP_ADD = 27,
9026 JSOP_SUB = 28,
9027 JSOP_MUL = 29,
9028 JSOP_DIV = 30,
9029 JSOP_MOD = 31,
9030 JSOP_NOT = 32,
9031 JSOP_BITNOT = 33,
9032 JSOP_NEG = 34,
9033 JSOP_POS = 35,
9034 JSOP_DELNAME = 36,
9035 JSOP_DELPROP = 37,
9036 JSOP_DELELEM = 38,
9037 JSOP_TYPEOF = 39,
9038 JSOP_VOID = 40,
9039 JSOP_INCNAME = 41,
9040 JSOP_INCPROP = 42,
9041 JSOP_INCELEM = 43,
9042 JSOP_DECNAME = 44,
9043 JSOP_DECPROP = 45,
9044 JSOP_DECELEM = 46,
9045 JSOP_NAMEINC = 47,
9046 JSOP_PROPINC = 48,
9047 JSOP_ELEMINC = 49,
9048 JSOP_NAMEDEC = 50,
9049 JSOP_PROPDEC = 51,
9050 JSOP_ELEMDEC = 52,
9051 JSOP_GETPROP = 53,
9052 JSOP_SETPROP = 54,
9053 JSOP_GETELEM = 55,
9054 JSOP_SETELEM = 56,
9055 JSOP_CALLNAME = 57,
9056 JSOP_CALL = 58,
9057 JSOP_NAME = 59,
9058 JSOP_DOUBLE = 60,
9059 JSOP_STRING = 61,
9060 JSOP_ZERO = 62,
9061 JSOP_ONE = 63,
9062 JSOP_NULL = 64,
9063 JSOP_THIS = 65,
9064 JSOP_FALSE = 66,
9065 JSOP_TRUE = 67,
9066 JSOP_OR = 68,
9067 JSOP_AND = 69,
9068 JSOP_TABLESWITCH = 70,
9069 JSOP_LOOKUPSWITCH = 71,
9070 JSOP_STRICTEQ = 72,
9071 JSOP_STRICTNE = 73,
9072 JSOP_SETCALL = 74,
9073 JSOP_ITER = 75,
9074 JSOP_MOREITER = 76,
9075 JSOP_ENDITER = 77,
9076 JSOP_FUNAPPLY = 78,
9077 JSOP_SWAP = 79,
9078 JSOP_OBJECT = 80,
9079 JSOP_POP = 81,
9080 JSOP_NEW = 82,
9081 JSOP_TRAP = 83,
9082 JSOP_GETARG = 84,
9083 JSOP_SETARG = 85,
9084 JSOP_GETLOCAL = 86,
9085 JSOP_SETLOCAL = 87,
9086 JSOP_UINT16 = 88,
9087 JSOP_NEWINIT = 89,
9088 JSOP_NEWARRAY = 90,
9089 JSOP_NEWOBJECT = 91,
9090 JSOP_ENDINIT = 92,
9091 JSOP_INITPROP = 93,
9092 JSOP_INITELEM = 94,
9093 JSOP_DEFSHARP = 95,
9094 JSOP_USESHARP = 96,
9095 JSOP_INCARG = 97,
9096 JSOP_DECARG = 98,
9097 JSOP_ARGINC = 99,
9098 JSOP_ARGDEC = 100,
9099 JSOP_INCLOCAL = 101,
9100 JSOP_DECLOCAL = 102,
9101 JSOP_LOCALINC = 103,
9102 JSOP_LOCALDEC = 104,
9103 JSOP_IMACOP = 105,
9104 JSOP_FORNAME = 106,
9105 JSOP_FORPROP = 107,
9106 JSOP_FORELEM = 108,
9107 JSOP_POPN = 109,
9108 JSOP_BINDNAME = 110,
9109 JSOP_SETNAME = 111,
9110 JSOP_THROW = 112,
9111 JSOP_IN = 113,
9112 JSOP_INSTANCEOF = 114,
9113 JSOP_DEBUGGER = 115,
9114 JSOP_GOSUB = 116,
9115 JSOP_RETSUB = 117,
9116 JSOP_EXCEPTION = 118,
9117 JSOP_LINENO = 119,
9118 JSOP_CONDSWITCH = 120,
9119 JSOP_CASE = 121,
9120 JSOP_DEFAULT = 122,
9121 JSOP_EVAL = 123,
9122 JSOP_ENUMELEM = 124,
9123 JSOP_GETTER = 125,
9124 JSOP_SETTER = 126,
9125 JSOP_DEFFUN = 127,
9126 JSOP_DEFCONST = 128,
9127 JSOP_DEFVAR = 129,
9128 JSOP_LAMBDA = 130,
9129 JSOP_CALLEE = 131,
9130 JSOP_SETLOCALPOP = 132,
9131 JSOP_PICK = 133,
9132 JSOP_TRY = 134,
9133 JSOP_FINALLY = 135,
9134 JSOP_GETFCSLOT = 136,
9135 JSOP_CALLFCSLOT = 137,
9136 JSOP_ARGSUB = 138,
9137 JSOP_ARGCNT = 139,
9138 JSOP_DEFLOCALFUN = 140,
9139 JSOP_GOTOX = 141,
9140 JSOP_IFEQX = 142,
9141 JSOP_IFNEX = 143,
9142 JSOP_ORX = 144,
9143 JSOP_ANDX = 145,
9144 JSOP_GOSUBX = 146,
9145 JSOP_CASEX = 147,
9146 JSOP_DEFAULTX = 148,
9147 JSOP_TABLESWITCHX = 149,
9148 JSOP_LOOKUPSWITCHX = 150,
9149 JSOP_BACKPATCH = 151,
9150 JSOP_BACKPATCH_POP = 152,
9151 JSOP_THROWING = 153,
9152 JSOP_SETRVAL = 154,
9153 JSOP_RETRVAL = 155,
9154 JSOP_GETGNAME = 156,
9155 JSOP_SETGNAME = 157,
9156 JSOP_INCGNAME = 158,
9157 JSOP_DECGNAME = 159,
9158 JSOP_GNAMEINC = 160,
9159 JSOP_GNAMEDEC = 161,
9160 JSOP_REGEXP = 162,
9161 JSOP_DEFXMLNS = 163,
9162 JSOP_ANYNAME = 164,
9163 JSOP_QNAMEPART = 165,
9164 JSOP_QNAMECONST = 166,
9165 JSOP_QNAME = 167,
9166 JSOP_TOATTRNAME = 168,
9167 JSOP_TOATTRVAL = 169,
9168 JSOP_ADDATTRNAME = 170,
9169 JSOP_ADDATTRVAL = 171,
9170 JSOP_BINDXMLNAME = 172,
9171 JSOP_SETXMLNAME = 173,
9172 JSOP_XMLNAME = 174,
9173 JSOP_DESCENDANTS = 175,
9174 JSOP_FILTER = 176,
9175 JSOP_ENDFILTER = 177,
9176 JSOP_TOXML = 178,
9177 JSOP_TOXMLLIST = 179,
9178 JSOP_XMLTAGEXPR = 180,
9179 JSOP_XMLELTEXPR = 181,
9180 JSOP_NOTRACE = 182,
9181 JSOP_XMLCDATA = 183,
9182 JSOP_XMLCOMMENT = 184,
9183 JSOP_XMLPI = 185,
9184 JSOP_DELDESC = 186,
9185 JSOP_CALLPROP = 187,
9186 JSOP_BLOCKCHAIN = 188,
9187 JSOP_NULLBLOCKCHAIN = 189,
9188 JSOP_UINT24 = 190,
9189 JSOP_INDEXBASE = 191,
9190 JSOP_RESETBASE = 192,
9191 JSOP_RESETBASE0 = 193,
9192 JSOP_STARTXML = 194,
9193 JSOP_STARTXMLEXPR = 195,
9194 JSOP_CALLELEM = 196,
9195 JSOP_STOP = 197,
9196 JSOP_GETXPROP = 198,
9197 JSOP_CALLXMLNAME = 199,
9198 JSOP_TYPEOFEXPR = 200,
9199 JSOP_ENTERBLOCK = 201,
9200 JSOP_LEAVEBLOCK = 202,
9201 JSOP_IFPRIMTOP = 203,
9202 JSOP_PRIMTOP = 204,
9203 JSOP_GENERATOR = 205,
9204 JSOP_YIELD = 206,
9205 JSOP_ARRAYPUSH = 207,
9206 JSOP_GETFUNNS = 208,
9207 JSOP_ENUMCONSTELEM = 209,
9208 JSOP_LEAVEBLOCKEXPR = 210,
9209 JSOP_GETTHISPROP = 211,
9210 JSOP_GETARGPROP = 212,
9211 JSOP_GETLOCALPROP = 213,
9212 JSOP_INDEXBASE1 = 214,
9213 JSOP_INDEXBASE2 = 215,
9214 JSOP_INDEXBASE3 = 216,
9215 JSOP_CALLGNAME = 217,
9216 JSOP_CALLLOCAL = 218,
9217 JSOP_CALLARG = 219,
9218 JSOP_BINDGNAME = 220,
9219 JSOP_INT8 = 221,
9220 JSOP_INT32 = 222,
9221 JSOP_LENGTH = 223,
9222 JSOP_HOLE = 224,
9223 JSOP_DEFFUN_FC = 225,
9224 JSOP_DEFLOCALFUN_FC = 226,
9225 JSOP_LAMBDA_FC = 227,
9226 JSOP_OBJTOP = 228,
9227 JSOP_TRACE = 229,
9228 JSOP_GETUPVAR_DBG = 230,
9229 JSOP_CALLUPVAR_DBG = 231,
9230 JSOP_DEFFUN_DBGFC = 232,
9231 JSOP_DEFLOCALFUN_DBGFC = 233,
9232 JSOP_LAMBDA_DBGFC = 234,
9233 JSOP_SETMETHOD = 235,
9234 JSOP_INITMETHOD = 236,
9235 JSOP_UNBRAND = 237,
9236 JSOP_UNBRANDTHIS = 238,
9237 JSOP_SHARPINIT = 239,
9238 JSOP_GETGLOBAL = 240,
9239 JSOP_CALLGLOBAL = 241,
9240 JSOP_FUNCALL = 242,
9241 JSOP_FORGNAME = 243,
9242     JSOP_LIMIT,
9243     JSOP_GETPROP2 = JSOP_LIMIT,
9244     JSOP_GETELEM2 = JSOP_LIMIT + 1,
9245     JSOP_FAKE_LIMIT = JSOP_GETELEM2
9246 } JSOp;
9247 struct JSCodeSpec {
9248     int8 length;
9249     int8 nuses;
9250     int8 ndefs;
9251     uint8 prec;
9252     uint32 format;
9253     uint32 type() const { return ((format) & 0x001f); }
9254 };
9255 extern const JSCodeSpec js_CodeSpec[];
9256 extern uintN js_NumCodeSpecs;
9257 extern const char *js_CodeName[];
9258 extern const char js_EscapeMap[];
9259 extern JSString *
9260 js_QuoteString(JSContext *cx, JSString *str, jschar quote);
9261 extern JSPrinter *
9262 js_NewPrinter(JSContext *cx, const char *name, JSFunction *fun,
9263               uintN indent, JSBool pretty, JSBool grouped, JSBool strict);
9264 extern void
9265 js_DestroyPrinter(JSPrinter *jp);
9266 extern JSString *
9267 js_GetPrinterOutput(JSPrinter *jp);
9268 extern int
9269 js_printf(JSPrinter *jp, const char *format, ...);
9270 extern JSBool
9271 js_puts(JSPrinter *jp, const char *s);
9272 uintN
9273 js_GetIndexFromBytecode(JSContext *cx, JSScript *script, jsbytecode *pc,
9274                         ptrdiff_t pcoff);
9275 extern uintN
9276 js_GetVariableBytecodeLength(jsbytecode *pc);
9277 extern uintN
9278 js_GetVariableStackUses(JSOp op, jsbytecode *pc);
9279 extern uintN
9280 js_GetEnterBlockStackDefs(JSContext *cx, JSScript *script, jsbytecode *pc);
9281 static inline uintN
9282 js_GetStackUses(const JSCodeSpec *cs, JSOp op, jsbytecode *pc)
9283 {
9284     ((void) 0);
9285     if (cs->nuses >= 0)
9286         return cs->nuses;
9287     return js_GetVariableStackUses(op, pc);
9288 }
9289 static inline uintN
9290 js_GetStackDefs(JSContext *cx, const JSCodeSpec *cs, JSOp op, JSScript *script,
9291                 jsbytecode *pc)
9292 {
9293     ((void) 0);
9294     if (cs->ndefs >= 0)
9295         return cs->ndefs;
9296     ((void) 0);
9297     return js_GetEnterBlockStackDefs(cx, script, pc);
9298 }
9299 extern JSBool
9300 js_DecompileScript(JSPrinter *jp, JSScript *script);
9301 extern JSBool
9302 js_DecompileFunctionBody(JSPrinter *jp);
9303 extern JSBool
9304 js_DecompileFunction(JSPrinter *jp);
9305 typedef JSBool (* JSDecompilerPtr)(JSPrinter *);
9306 extern JSString *
9307 js_DecompileToString(JSContext *cx, const char *name, JSFunction *fun,
9308                      uintN indent, JSBool pretty, JSBool grouped, JSBool strict,
9309                      JSDecompilerPtr decompiler);
9310 extern char *
9311 js_DecompileValueGenerator(JSContext *cx, intN spindex, jsval v,
9312                            JSString *fallback);
9313 namespace js {
9314 static inline char *
9315 DecompileValueGenerator(JSContext *cx, intN spindex, const Value &v,
9316                         JSString *fallback)
9317 {
9318     return js_DecompileValueGenerator(cx, spindex, Jsvalify(v), fallback);
9319 }
9320 }
9321 extern uintN
9322 js_ReconstructStackDepth(JSContext *cx, JSScript *script, jsbytecode *pc);
9323 }
9324 extern "C" {
9325 extern __attribute__((visibility ("default"))) JSCrossCompartmentCall *
9326 JS_EnterCrossCompartmentCallScript(JSContext *cx, JSScript *target);
9327 }
9328 namespace JS {
9329 class __attribute__((visibility ("default"))) AutoEnterScriptCompartment
9330 {
9331     JSCrossCompartmentCall *call;
9332   public:
9333     AutoEnterScriptCompartment() : call(__null) {}
9334     bool enter(JSContext *cx, JSScript *target);
9335     bool entered() const { return call != __null; }
9336     ~AutoEnterScriptCompartment() {
9337         if (call && call != reinterpret_cast<JSCrossCompartmentCall*>(1))
9338             JS_LeaveCrossCompartmentCall(call);
9339     }
9340 };
9341 }
9342 extern "C" {
9343 extern __attribute__((visibility ("default"))) JSScript *
9344 JS_GetScriptFromObject(JSObject *scriptObject);
9345 extern __attribute__((visibility ("default"))) JSString *
9346 JS_DecompileScript(JSContext *cx, JSScript *script, const char *name, uintN indent);
9347 extern __attribute__((visibility ("default"))) void
9348 JS_SetRuntimeDebugMode(JSRuntime *rt, JSBool debug);
9349 extern __attribute__((visibility ("default"))) JSBool
9350 JS_GetDebugMode(JSContext *cx);
9351 __attribute__((visibility ("default"))) JSBool
9352 JS_SetDebugModeForCompartment(JSContext *cx, JSCompartment *comp, JSBool debug);
9353 __attribute__((visibility ("default"))) JSBool
9354 JS_SetDebugMode(JSContext *cx, JSBool debug);
9355 extern __attribute__((visibility ("default"))) JSBool
9356 js_SetSingleStepMode(JSContext *cx, JSScript *script, JSBool singleStep);
9357 extern __attribute__((visibility ("default"))) JSBool
9358 JS_SetSingleStepMode(JSContext *cx, JSScript *script, JSBool singleStep);
9359 extern jsbytecode *
9360 js_UntrapScriptCode(JSContext *cx, JSScript *script);
9361 extern __attribute__((visibility ("default"))) JSBool
9362 JS_SetTrap(JSContext *cx, JSScript *script, jsbytecode *pc,
9363            JSTrapHandler handler, jsval closure);
9364 extern __attribute__((visibility ("default"))) JSOp
9365 JS_GetTrapOpcode(JSContext *cx, JSScript *script, jsbytecode *pc);
9366 extern __attribute__((visibility ("default"))) void
9367 JS_ClearTrap(JSContext *cx, JSScript *script, jsbytecode *pc,
9368              JSTrapHandler *handlerp, jsval *closurep);
9369 extern __attribute__((visibility ("default"))) void
9370 JS_ClearScriptTraps(JSContext *cx, JSScript *script);
9371 extern __attribute__((visibility ("default"))) void
9372 JS_ClearAllTraps(JSContext *cx);
9373 extern __attribute__((visibility ("default"))) JSTrapStatus
9374 JS_HandleTrap(JSContext *cx, JSScript *script, jsbytecode *pc, jsval *rval);
9375 extern __attribute__((visibility ("default"))) JSBool
9376 JS_SetInterrupt(JSRuntime *rt, JSInterruptHook handler, void *closure);
9377 extern __attribute__((visibility ("default"))) JSBool
9378 JS_ClearInterrupt(JSRuntime *rt, JSInterruptHook *handlerp, void **closurep);
9379 extern __attribute__((visibility ("default"))) JSBool
9380 JS_SetWatchPoint(JSContext *cx, JSObject *obj, jsid id,
9381                  JSWatchPointHandler handler, JSObject *closure);
9382 extern __attribute__((visibility ("default"))) JSBool
9383 JS_ClearWatchPoint(JSContext *cx, JSObject *obj, jsid id,
9384                    JSWatchPointHandler *handlerp, JSObject **closurep);
9385 extern __attribute__((visibility ("default"))) JSBool
9386 JS_ClearWatchPointsForObject(JSContext *cx, JSObject *obj);
9387 extern __attribute__((visibility ("default"))) JSBool
9388 JS_ClearAllWatchPoints(JSContext *cx);
9389 extern void
9390 js_TraceWatchPoints(JSTracer *trc, JSObject *obj);
9391 extern void
9392 js_SweepWatchPoints(JSContext *cx);
9393 extern JSBool
9394 js_watch_set(JSContext *cx, JSObject *obj, jsid id, JSBool strict, js::Value *vp);
9395 namespace js {
9396 bool
9397 IsWatchedProperty(JSContext *cx, const Shape *shape);
9398 }
9399 extern __attribute__((visibility ("default"))) uintN
9400 JS_PCToLineNumber(JSContext *cx, JSScript *script, jsbytecode *pc);
9401 extern __attribute__((visibility ("default"))) jsbytecode *
9402 JS_LineNumberToPC(JSContext *cx, JSScript *script, uintN lineno);
9403 extern __attribute__((visibility ("default"))) jsbytecode *
9404 JS_EndPC(JSContext *cx, JSScript *script);
9405 extern __attribute__((visibility ("default"))) uintN
9406 JS_GetFunctionArgumentCount(JSContext *cx, JSFunction *fun);
9407 extern __attribute__((visibility ("default"))) JSBool
9408 JS_FunctionHasLocalNames(JSContext *cx, JSFunction *fun);
9409 extern __attribute__((visibility ("default"))) jsuword *
9410 JS_GetFunctionLocalNameArray(JSContext *cx, JSFunction *fun, void **markp);
9411 extern __attribute__((visibility ("default"))) JSAtom *
9412 JS_LocalNameToAtom(jsuword w);
9413 extern __attribute__((visibility ("default"))) JSString *
9414 JS_AtomKey(JSAtom *atom);
9415 extern __attribute__((visibility ("default"))) void
9416 JS_ReleaseFunctionLocalNameArray(JSContext *cx, void *mark);
9417 extern __attribute__((visibility ("default"))) JSScript *
9418 JS_GetFunctionScript(JSContext *cx, JSFunction *fun);
9419 extern __attribute__((visibility ("default"))) JSNative
9420 JS_GetFunctionNative(JSContext *cx, JSFunction *fun);
9421 extern __attribute__((visibility ("default"))) JSPrincipals *
9422 JS_GetScriptPrincipals(JSContext *cx, JSScript *script);
9423 extern __attribute__((visibility ("default"))) JSStackFrame *
9424 JS_FrameIterator(JSContext *cx, JSStackFrame **iteratorp);
9425 extern __attribute__((visibility ("default"))) JSScript *
9426 JS_GetFrameScript(JSContext *cx, JSStackFrame *fp);
9427 extern __attribute__((visibility ("default"))) jsbytecode *
9428 JS_GetFramePC(JSContext *cx, JSStackFrame *fp);
9429 extern __attribute__((visibility ("default"))) JSStackFrame *
9430 JS_GetScriptedCaller(JSContext *cx, JSStackFrame *fp);
9431 extern JSPrincipals *
9432 js_StackFramePrincipals(JSContext *cx, JSStackFrame *fp);
9433 JSPrincipals *
9434 js_EvalFramePrincipals(JSContext *cx, JSObject *callee, JSStackFrame *caller);
9435 extern __attribute__((visibility ("default"))) void *
9436 JS_GetFrameAnnotation(JSContext *cx, JSStackFrame *fp);
9437 extern __attribute__((visibility ("default"))) void
9438 JS_SetFrameAnnotation(JSContext *cx, JSStackFrame *fp, void *annotation);
9439 extern __attribute__((visibility ("default"))) void *
9440 JS_GetFramePrincipalArray(JSContext *cx, JSStackFrame *fp);
9441 extern __attribute__((visibility ("default"))) JSBool
9442 JS_IsScriptFrame(JSContext *cx, JSStackFrame *fp);
9443 extern __attribute__((visibility ("default"))) JSObject *
9444 JS_GetFrameObject(JSContext *cx, JSStackFrame *fp);
9445 extern __attribute__((visibility ("default"))) JSObject *
9446 JS_GetFrameScopeChain(JSContext *cx, JSStackFrame *fp);
9447 extern __attribute__((visibility ("default"))) JSObject *
9448 JS_GetFrameCallObject(JSContext *cx, JSStackFrame *fp);
9449 extern __attribute__((visibility ("default"))) JSBool
9450 JS_GetFrameThis(JSContext *cx, JSStackFrame *fp, jsval *thisv);
9451 extern __attribute__((visibility ("default"))) JSFunction *
9452 JS_GetFrameFunction(JSContext *cx, JSStackFrame *fp);
9453 extern __attribute__((visibility ("default"))) JSObject *
9454 JS_GetFrameFunctionObject(JSContext *cx, JSStackFrame *fp);
9455 extern __attribute__((visibility ("default"))) JSBool
9456 JS_IsConstructorFrame(JSContext *cx, JSStackFrame *fp);
9457 extern __attribute__((visibility ("default"))) JSBool
9458 JS_IsDebuggerFrame(JSContext *cx, JSStackFrame *fp);
9459 extern __attribute__((visibility ("default"))) jsval
9460 JS_GetFrameReturnValue(JSContext *cx, JSStackFrame *fp);
9461 extern __attribute__((visibility ("default"))) void
9462 JS_SetFrameReturnValue(JSContext *cx, JSStackFrame *fp, jsval rval);
9463 extern __attribute__((visibility ("default"))) JSObject *
9464 JS_GetFrameCalleeObject(JSContext *cx, JSStackFrame *fp);
9465 extern __attribute__((visibility ("default"))) JSBool
9466 JS_GetValidFrameCalleeObject(JSContext *cx, JSStackFrame *fp, jsval *vp);
9467 extern __attribute__((visibility ("default"))) const char *
9468 JS_GetScriptFilename(JSContext *cx, JSScript *script);
9469 extern __attribute__((visibility ("default"))) uintN
9470 JS_GetScriptBaseLineNumber(JSContext *cx, JSScript *script);
9471 extern __attribute__((visibility ("default"))) uintN
9472 JS_GetScriptLineExtent(JSContext *cx, JSScript *script);
9473 extern __attribute__((visibility ("default"))) JSVersion
9474 JS_GetScriptVersion(JSContext *cx, JSScript *script);
9475 extern __attribute__((visibility ("default"))) void
9476 JS_SetNewScriptHookProc(JSRuntime *rt, JSNewScriptHook hook, void *callerdata);
9477 extern __attribute__((visibility ("default"))) void
9478 JS_SetDestroyScriptHookProc(JSRuntime *rt, JSDestroyScriptHook hook,
9479                         void *callerdata);
9480 extern __attribute__((visibility ("default"))) JSBool
9481 JS_EvaluateUCInStackFrame(JSContext *cx, JSStackFrame *fp,
9482                           const jschar *chars, uintN length,
9483                           const char *filename, uintN lineno,
9484                           jsval *rval);
9485 extern __attribute__((visibility ("default"))) JSBool
9486 JS_EvaluateInStackFrame(JSContext *cx, JSStackFrame *fp,
9487                         const char *bytes, uintN length,
9488                         const char *filename, uintN lineno,
9489                         jsval *rval);
9490 typedef struct JSPropertyDesc {
9491     jsval id;
9492     jsval value;
9493     uint8 flags;
9494     uint8 spare;
9495     uint16 slot;
9496     jsval alias;
9497 } JSPropertyDesc;
9498 typedef struct JSPropertyDescArray {
9499     uint32 length;
9500     JSPropertyDesc *array;
9501 } JSPropertyDescArray;
9502 typedef struct JSScopeProperty JSScopeProperty;
9503 extern __attribute__((visibility ("default"))) JSScopeProperty *
9504 JS_PropertyIterator(JSObject *obj, JSScopeProperty **iteratorp);
9505 extern __attribute__((visibility ("default"))) JSBool
9506 JS_GetPropertyDesc(JSContext *cx, JSObject *obj, JSScopeProperty *shape,
9507                    JSPropertyDesc *pd);
9508 extern __attribute__((visibility ("default"))) JSBool
9509 JS_GetPropertyDescArray(JSContext *cx, JSObject *obj, JSPropertyDescArray *pda);
9510 extern __attribute__((visibility ("default"))) void
9511 JS_PutPropertyDescArray(JSContext *cx, JSPropertyDescArray *pda);
9512 extern __attribute__((visibility ("default"))) JSBool
9513 JS_SetDebuggerHandler(JSRuntime *rt, JSDebuggerHandler hook, void *closure);
9514 extern __attribute__((visibility ("default"))) JSBool
9515 JS_SetSourceHandler(JSRuntime *rt, JSSourceHandler handler, void *closure);
9516 extern __attribute__((visibility ("default"))) JSBool
9517 JS_SetExecuteHook(JSRuntime *rt, JSInterpreterHook hook, void *closure);
9518 extern __attribute__((visibility ("default"))) JSBool
9519 JS_SetCallHook(JSRuntime *rt, JSInterpreterHook hook, void *closure);
9520 extern __attribute__((visibility ("default"))) JSBool
9521 JS_SetThrowHook(JSRuntime *rt, JSThrowHook hook, void *closure);
9522 extern __attribute__((visibility ("default"))) JSBool
9523 JS_SetDebugErrorHook(JSRuntime *rt, JSDebugErrorHook hook, void *closure);
9524 extern __attribute__((visibility ("default"))) size_t
9525 JS_GetObjectTotalSize(JSContext *cx, JSObject *obj);
9526 extern __attribute__((visibility ("default"))) size_t
9527 JS_GetFunctionTotalSize(JSContext *cx, JSFunction *fun);
9528 extern __attribute__((visibility ("default"))) size_t
9529 JS_GetScriptTotalSize(JSContext *cx, JSScript *script);
9530 extern __attribute__((visibility ("default"))) uint32
9531 JS_GetTopScriptFilenameFlags(JSContext *cx, JSStackFrame *fp);
9532 extern __attribute__((visibility ("default"))) uint32
9533 JS_GetScriptFilenameFlags(JSScript *script);
9534 extern __attribute__((visibility ("default"))) JSBool
9535 JS_FlagScriptFilenamePrefix(JSRuntime *rt, const char *prefix, uint32 flags);
9536 extern __attribute__((visibility ("default"))) JSBool
9537 JS_IsSystemObject(JSContext *cx, JSObject *obj);
9538 extern __attribute__((visibility ("default"))) JSBool
9539 JS_MakeSystemObject(JSContext *cx, JSObject *obj);
9540 extern __attribute__((visibility ("default"))) JSObject *
9541 JS_UnwrapObject(JSContext *cx, JSObject *obj);
9542 extern __attribute__((visibility ("default"))) void
9543 js_RevertVersion(JSContext *cx);
9544 extern __attribute__((visibility ("default"))) const JSDebugHooks *
9545 JS_GetGlobalDebugHooks(JSRuntime *rt);
9546 extern __attribute__((visibility ("default"))) JSDebugHooks *
9547 JS_SetContextDebugHooks(JSContext *cx, const JSDebugHooks *hooks);
9548 extern __attribute__((visibility ("default"))) JSDebugHooks *
9549 JS_ClearContextDebugHooks(JSContext *cx);
9550 extern __attribute__((visibility ("default"))) JSBool
9551 JS_StartProfiling();
9552 extern __attribute__((visibility ("default"))) void
9553 JS_StopProfiling();
9554 extern __attribute__((visibility ("default"))) JSBool
9555 JS_DefineProfilingFunctions(JSContext *cx, JSObject *obj);
9556 }
9557 typedef enum JSTryNoteKind {
9558     JSTRY_CATCH,
9559     JSTRY_FINALLY,
9560     JSTRY_ITER
9561 } JSTryNoteKind;
9562 namespace js {
9563 class UpvarCookie
9564 {
9565     uint32 value;
9566     static const uint32 FREE_VALUE = 0xfffffffful;
9567     void checkInvariants() {
9568         typedef int js_static_assert47[(sizeof(UpvarCookie) == sizeof(uint32)) ? 1 : -1];
9569         typedef int js_static_assert48[(UPVAR_LEVEL_LIMIT < FREE_LEVEL) ? 1 : -1];
9570     }
9571   public:
9572     static const uint16 FREE_LEVEL = 0x3fff;
9573     static const uint16 UPVAR_LEVEL_LIMIT = 16;
9574     static const uint16 CALLEE_SLOT = 0xffff;
9575     static bool isLevelReserved(uint16 level) { return level >= FREE_LEVEL; }
9576     bool isFree() const { return value == FREE_VALUE; }
9577     uint32 asInteger() const { return value; }
9578     uint16 level() const { ((void) 0); return uint16(value >> 16); }
9579     uint16 slot() const { ((void) 0); return uint16(value); }
9580     void set(const UpvarCookie &other) { set(other.level(), other.slot()); }
9581     void set(uint16 newLevel, uint16 newSlot) { value = (uint32(newLevel) << 16) | newSlot; }
9582     void makeFree() { set(0xffff, 0xffff); ((void) 0); }
9583     void fromInteger(uint32 u32) { value = u32; }
9584 };
9585 }
9586 struct JSTryNote {
9587     uint8 kind;
9588     uint8 padding;
9589     uint16 stackDepth;
9590     uint32 start;
9591     uint32 length;
9592 };
9593 typedef struct JSTryNoteArray {
9594     JSTryNote *vector;
9595     uint32 length;
9596 } JSTryNoteArray;
9597 typedef struct JSObjectArray {
9598     JSObject **vector;
9599     uint32 length;
9600 } JSObjectArray;
9601 typedef struct JSUpvarArray {
9602     js::UpvarCookie *vector;
9603     uint32 length;
9604 } JSUpvarArray;
9605 typedef struct JSConstArray {
9606     js::Value *vector;
9607     uint32 length;
9608 } JSConstArray;
9609 struct JSArenaPool;
9610 namespace js {
9611 struct GlobalSlotArray {
9612     struct Entry {
9613         uint32 atomIndex;
9614         uint32 slot;
9615     };
9616     Entry *vector;
9617     uint32 length;
9618 };
9619 struct Shape;
9620 enum BindingKind { NONE, ARGUMENT, VARIABLE, CONSTANT, UPVAR };
9621 class Bindings {
9622     js::Shape *lastBinding;
9623     uint16 nargs;
9624     uint16 nvars;
9625     uint16 nupvars;
9626   public:
9627     inline Bindings(JSContext *cx);
9628     inline void transfer(JSContext *cx, Bindings *bindings);
9629     inline void clone(JSContext *cx, Bindings *bindings);
9630     uint16 countArgs() const { return nargs; }
9631     uint16 countVars() const { return nvars; }
9632     uint16 countUpvars() const { return nupvars; }
9633     uintN countArgsAndVars() const { return nargs + nvars; }
9634     uintN countLocalNames() const { return nargs + nvars + nupvars; }
9635     bool hasUpvars() const { return nupvars > 0; }
9636     bool hasLocalNames() const { return countLocalNames() > 0; }
9637     inline const js::Shape *lastShape() const;
9638     enum {
9639         BINDING_COUNT_LIMIT = 0xFFFF
9640     };
9641     bool add(JSContext *cx, JSAtom *name, BindingKind kind);
9642     bool addVariable(JSContext *cx, JSAtom *name) {
9643         return add(cx, name, VARIABLE);
9644     }
9645     bool addConstant(JSContext *cx, JSAtom *name) {
9646         return add(cx, name, CONSTANT);
9647     }
9648     bool addUpvar(JSContext *cx, JSAtom *name) {
9649         return add(cx, name, UPVAR);
9650     }
9651     bool addArgument(JSContext *cx, JSAtom *name, uint16 *slotp) {
9652         ((void) 0);
9653         *slotp = nargs;
9654         return add(cx, name, ARGUMENT);
9655     }
9656     bool addDestructuring(JSContext *cx, uint16 *slotp) {
9657         *slotp = nargs;
9658         return add(cx, __null, ARGUMENT);
9659     }
9660     BindingKind lookup(JSContext *cx, JSAtom *name, uintN *indexp) const;
9661     bool hasBinding(JSContext *cx, JSAtom *name) const {
9662         return lookup(cx, name, __null) != NONE;
9663     }
9664     jsuword *
9665     getLocalNameArray(JSContext *cx, JSArenaPool *pool);
9666     int sharpSlotBase(JSContext *cx);
9667     void makeImmutable();
9668     const js::Shape *lastArgument() const;
9669     const js::Shape *lastVariable() const;
9670     const js::Shape *lastUpvar() const;
9671     void trace(JSTracer *trc);
9672 };
9673 }
9674 struct JSScript {
9675     static JSScript *NewScript(JSContext *cx, uint32 length, uint32 nsrcnotes, uint32 natoms,
9676                                uint32 nobjects, uint32 nupvars, uint32 nregexps,
9677                                uint32 ntrynotes, uint32 nconsts, uint32 nglobals,
9678                                uint16 nClosedArgs, uint16 nClosedVars, JSVersion version);
9679     static JSScript *NewScriptFromCG(JSContext *cx, JSCodeGenerator *cg);
9680     JSCList links;
9681     jsbytecode *code;
9682     uint32 length;
9683   private:
9684     uint16 version;
9685     size_t callCount_;
9686   public:
9687     uint16 nfixed;
9688     uint8 objectsOffset;
9689     uint8 upvarsOffset;
9690     uint8 regexpsOffset;
9691     uint8 trynotesOffset;
9692     uint8 globalsOffset;
9693     uint8 constOffset;
9694     bool noScriptRval:1;
9695     bool savedCallerFun:1;
9696     bool hasSharps:1;
9697     bool strictModeCode:1;
9698     bool compileAndGo:1;
9699     bool usesEval:1;
9700     bool usesArguments:1;
9701     bool warnedAboutTwoArgumentEval:1;
9702     bool hasSingletons:1;
9703     jsbytecode *main;
9704     JSAtomMap atomMap;
9705     JSCompartment *compartment;
9706     const char *filename;
9707     uint32 lineno;
9708     uint16 nslots;
9709     uint16 staticLevel;
9710     uint16 nClosedArgs;
9711     uint16 nClosedVars;
9712     js::Bindings bindings;
9713     JSPrincipals *principals;
9714     union {
9715         JSObject *object;
9716         JSScript *nextToGC;
9717     } u;
9718     uint32 *closedSlots;
9719   public:
9720     jssrcnote *notes() { return (jssrcnote *)(code + length); }
9721     static const uint8 INVALID_OFFSET = 0xFF;
9722     static bool isValidOffset(uint8 offset) { return offset != INVALID_OFFSET; }
9723     JSObjectArray *objects() {
9724         ((void) 0);
9725         return (JSObjectArray *)((uint8 *) (this + 1) + objectsOffset);
9726     }
9727     JSUpvarArray *upvars() {
9728         ((void) 0);
9729         return (JSUpvarArray *) ((uint8 *) (this + 1) + upvarsOffset);
9730     }
9731     JSObjectArray *regexps() {
9732         ((void) 0);
9733         return (JSObjectArray *) ((uint8 *) (this + 1) + regexpsOffset);
9734     }
9735     JSTryNoteArray *trynotes() {
9736         ((void) 0);
9737         return (JSTryNoteArray *) ((uint8 *) (this + 1) + trynotesOffset);
9738     }
9739     js::GlobalSlotArray *globals() {
9740         ((void) 0);
9741         return (js::GlobalSlotArray *) ((uint8 *) (this + 1) + globalsOffset);
9742     }
9743     JSConstArray *consts() {
9744         ((void) 0);
9745         return (JSConstArray *) ((uint8 *) (this + 1) + constOffset);
9746     }
9747     JSAtom *getAtom(size_t index) {
9748         ((void) 0);
9749         return atomMap.vector[index];
9750     }
9751     JSObject *getObject(size_t index) {
9752         JSObjectArray *arr = objects();
9753         ((void) 0);
9754         return arr->vector[index];
9755     }
9756     uint32 getGlobalSlot(size_t index) {
9757         js::GlobalSlotArray *arr = globals();
9758         ((void) 0);
9759         return arr->vector[index].slot;
9760     }
9761     JSAtom *getGlobalAtom(size_t index) {
9762         js::GlobalSlotArray *arr = globals();
9763         ((void) 0);
9764         return getAtom(arr->vector[index].atomIndex);
9765     }
9766     JSVersion getVersion() const {
9767         return JSVersion(version);
9768     }
9769     inline JSFunction *getFunction(size_t index);
9770     inline JSObject *getRegExp(size_t index);
9771     const js::Value &getConst(size_t index) {
9772         JSConstArray *arr = consts();
9773         ((void) 0);
9774         return arr->vector[index];
9775     }
9776     inline bool isEmpty() const;
9777     uint32 getClosedArg(uint32 index) {
9778         ((void) 0);
9779         return closedSlots[index];
9780     }
9781     uint32 getClosedVar(uint32 index) {
9782         ((void) 0);
9783         return closedSlots[nClosedArgs + index];
9784     }
9785     void copyClosedSlotsTo(JSScript *other);
9786 };
9787 static inline uintN
9788 StackDepth(JSScript *script)
9789 {
9790     return script->nslots - script->nfixed;
9791 }
9792 extern __attribute__((visibility ("default"))) js::Class js_ScriptClass;
9793 extern JSObject *
9794 js_InitScriptClass(JSContext *cx, JSObject *obj);
9795 extern JSBool
9796 js_InitRuntimeScriptState(JSRuntime *rt);
9797 extern void
9798 js_FreeRuntimeScriptState(JSRuntime *rt);
9799 extern const char *
9800 js_SaveScriptFilename(JSContext *cx, const char *filename);
9801 extern const char *
9802 js_SaveScriptFilenameRT(JSRuntime *rt, const char *filename, uint32 flags);
9803 extern uint32
9804 js_GetScriptFilenameFlags(const char *filename);
9805 extern void
9806 js_MarkScriptFilename(const char *filename);
9807 extern void
9808 js_MarkScriptFilenames(JSRuntime *rt);
9809 extern void
9810 js_SweepScriptFilenames(JSRuntime *rt);
9811 extern __attribute__((visibility ("default"))) void
9812 js_CallNewScriptHook(JSContext *cx, JSScript *script, JSFunction *fun);
9813 extern void
9814 js_CallDestroyScriptHook(JSContext *cx, JSScript *script);
9815 extern void
9816 js_DestroyScript(JSContext *cx, JSScript *script);
9817 extern void
9818 js_DestroyScriptFromGC(JSContext *cx, JSScript *script);
9819 extern void
9820 js_DestroyCachedScript(JSContext *cx, JSScript *script);
9821 extern void
9822 js_TraceScript(JSTracer *trc, JSScript *script);
9823 extern JSObject *
9824 js_NewScriptObject(JSContext *cx, JSScript *script);
9825 extern jssrcnote *
9826 js_GetSrcNoteCached(JSContext *cx, JSScript *script, jsbytecode *pc);
9827 extern uintN
9828 js_FramePCToLineNumber(JSContext *cx, JSStackFrame *fp);
9829 extern uintN
9830 js_PCToLineNumber(JSContext *cx, JSScript *script, jsbytecode *pc);
9831 extern jsbytecode *
9832 js_LineNumberToPC(JSScript *script, uintN lineno);
9833 extern __attribute__((visibility ("default"))) uintN
9834 js_GetScriptLineExtent(JSScript *script);
9835 static inline JSOp
9836 js_GetOpcode(JSContext *cx, JSScript *script, jsbytecode *pc)
9837 {
9838     JSOp op = (JSOp) *pc;
9839     if (op == JSOP_TRAP)
9840         op = JS_GetTrapOpcode(cx, script, pc);
9841     return op;
9842 }
9843 extern JSScript *
9844 js_CloneScript(JSContext *cx, JSScript *script);
9845 extern JSBool
9846 js_XDRScript(JSXDRState *xdr, JSScript **scriptp, JSBool *hasMagic);
9847 inline
9848        bool
9849 JSObject::isScript() const
9850 {
9851     return getClass() == &js_ScriptClass;
9852 }
9853 inline JSScript *
9854 JSObject::getScript() const
9855 {
9856     ((void) 0);
9857     return static_cast<JSScript *>(getPrivate());
9858 }
9859 struct JSFunction : public JSObject_Slots2
9860 {
9861     uint16 nargs;
9862     uint16 flags;
9863     union U {
9864         struct {
9865             js::Native native;
9866             js::Class *clasp;
9867             JSNativeTraceInfo *trcinfo;
9868         } n;
9869         struct Scripted {
9870             JSScript *script;
9871             uint16 skipmin;
9872             JSPackedBool wrapper;
9873             js::Shape *names;
9874         } i;
9875         void *nativeOrScript;
9876     } u;
9877     JSAtom *atom;
9878     bool optimizedClosure() const { return ((this)->flags & 0xc000) > 0x4000; }
9879     bool needsWrapper() const { return (((this)->flags & 0xc000) == 0xc000) && u.i.skipmin != 0; }
9880     bool isInterpreted() const { return (((this)->flags & 0xc000) >= 0x4000); }
9881     bool isNative() const { return !(((this)->flags & 0xc000) >= 0x4000); }
9882     bool isConstructor() const { return flags & 0x0200; }
9883     bool isHeavyweight() const { return ((flags) & 0x80); }
9884     bool isFlatClosure() const { return ((this)->flags & 0xc000) == 0x8000; }
9885     bool isFunctionPrototype() const { return flags & 0x0800; }
9886     inline bool inStrictMode() const;
9887     void setArgCount(uint16 nargs) {
9888         ((void) 0);
9889         this->nargs = nargs;
9890     }
9891     enum { MAX_ARGS_AND_VARS = 2 * ((1U << 16) - 1) };
9892     bool mightEscape() const {
9893         return isInterpreted() && (isFlatClosure() || !script()->bindings.hasUpvars());
9894     }
9895     bool joinable() const {
9896         return flags & 0x0001;
9897     }
9898     JSObject &compiledFunObj() {
9899         return *this;
9900     }
9901   private:
9902     enum {
9903         METHOD_ATOM_SLOT = JSSLOT_FUN_METHOD_ATOM
9904     };
9905   public:
9906     void setJoinable() {
9907         ((void) 0);
9908         getSlotRef(METHOD_ATOM_SLOT).setNull();
9909         flags |= 0x0001;
9910     }
9911     JSAtom *methodAtom() const {
9912         return (joinable() && getSlot(METHOD_ATOM_SLOT).isString())
9913                ? (((void) 0), (JSAtom *)getSlot(METHOD_ATOM_SLOT).toString())
9914                : __null;
9915     }
9916     void setMethodAtom(JSAtom *atom) {
9917         ((void) 0);
9918         getSlotRef(METHOD_ATOM_SLOT).setString((atom));
9919     }
9920     js::Native maybeNative() const {
9921         return isInterpreted() ? __null : u.n.native;
9922     }
9923     JSScript *script() const {
9924         ((void) 0);
9925         return u.i.script;
9926     }
9927     static uintN offsetOfNativeOrScript() {
9928         typedef int js_static_assert49[(__builtin_offsetof (U, n.native) == __builtin_offsetof (U, i.script)) ? 1 : -1];
9929         typedef int js_static_assert50[(__builtin_offsetof (U, n.native) == __builtin_offsetof (U, nativeOrScript)) ? 1 : -1];
9930         return __builtin_offsetof (JSFunction, u.nativeOrScript);
9931     }
9932     static const uint32 CLASS_RESERVED_SLOTS = JSObject::FUN_CLASS_RESERVED_SLOTS;
9933 };
9934 extern js::Class js_ArgumentsClass;
9935 namespace js {
9936 extern Class StrictArgumentsClass;
9937 struct ArgumentsData {
9938     js::Value callee;
9939     js::Value slots[1];
9940 };
9941 }
9942 inline
9943        bool
9944 JSObject::isNormalArguments() const
9945 {
9946     return getClass() == &js_ArgumentsClass;
9947 }
9948 inline
9949        bool
9950 JSObject::isStrictArguments() const
9951 {
9952     return getClass() == &js::StrictArgumentsClass;
9953 }
9954 inline
9955        bool
9956 JSObject::isArguments() const
9957 {
9958     return isNormalArguments() || isStrictArguments();
9959 }
9960 extern __attribute__((visibility ("default"))) js::Class js_CallClass;
9961 extern __attribute__((visibility ("default"))) js::Class js_FunctionClass;
9962 extern js::Class js_DeclEnvClass;
9963 inline
9964        bool
9965 JSObject::isCall() const
9966 {
9967     return getClass() == &js_CallClass;
9968 }
9969 inline
9970        bool
9971 JSObject::isFunction() const
9972 {
9973     return getClass() == &js_FunctionClass;
9974 }
9975 inline JSFunction *
9976 JSObject::getFunctionPrivate() const
9977 {
9978     ((void) 0);
9979     return reinterpret_cast<JSFunction *>(getPrivate());
9980 }
9981 namespace js {
9982 extern JSObject *
9983 NewCallObject(JSContext *cx, js::Bindings *bindings, JSObject &scopeChain, JSObject *callee);
9984 static __attribute__((always_inline)) inline
9985                         bool
9986 IsFunctionObject(const js::Value &v)
9987 {
9988     return v.isObject() && v.toObject().isFunction();
9989 }
9990 static __attribute__((always_inline)) inline
9991                         bool
9992 IsFunctionObject(const js::Value &v, JSObject **funobj)
9993 {
9994     return v.isObject() && (*funobj = &v.toObject())->isFunction();
9995 }
9996 static __attribute__((always_inline)) inline
9997                         bool
9998 IsFunctionObject(const js::Value &v, JSFunction **fun)
9999 {
10000     JSObject *funobj;
10001     bool b = IsFunctionObject(v, &funobj);
10002     if (b)
10003         *fun = funobj->getFunctionPrivate();
10004     return b;
10005 }
10006 extern __attribute__((always_inline)) inline
10007                         bool
10008 SameTraceType(const Value &lhs, const Value &rhs)
10009 {
10010     return SameType(lhs, rhs) &&
10011            (lhs.isPrimitive() ||
10012             lhs.toObject().isFunction() == rhs.toObject().isFunction());
10013 }
10014 inline
10015        bool
10016 IsInternalFunctionObject(JSObject *funobj)
10017 {
10018     ((void) 0);
10019     JSFunction *fun = (JSFunction *) funobj->getPrivate();
10020     return funobj == fun && (fun->flags & 0x08) && !funobj->getParent();
10021 }
10022 static __attribute__((always_inline)) inline
10023                         bool
10024 IsConstructing(const Value *vp)
10025 {
10026     return vp[1].isMagic();
10027 }
10028 static __attribute__((always_inline)) inline
10029                         bool
10030 IsConstructing_PossiblyWithGivenThisObject(const Value *vp, JSObject **ctorThis)
10031 {
10032     bool isCtor = vp[1].isMagic();
10033     if (isCtor)
10034         *ctorThis = vp[1].getMagicObjectOrNullPayload();
10035     return isCtor;
10036 }
10037 inline const char *
10038 GetFunctionNameBytes(JSContext *cx, JSFunction *fun, JSAutoByteString *bytes)
10039 {
10040     if (fun->atom)
10041         return bytes->encode(cx, (fun->atom));
10042     return js_anonymous_str;
10043 }
10044 extern __attribute__((visibility ("default"))) bool
10045 IsBuiltinFunctionConstructor(JSFunction *fun);
10046 const Shape *
10047 LookupInterpretedFunctionPrototype(JSContext *cx, JSObject *funobj);
10048 }
10049 extern JSString *
10050 fun_toStringHelper(JSContext *cx, JSObject *obj, uintN indent);
10051 extern JSFunction *
10052 js_NewFunction(JSContext *cx, JSObject *funobj, js::Native native, uintN nargs,
10053                uintN flags, JSObject *parent, JSAtom *atom);
10054 extern JSObject *
10055 js_InitFunctionClass(JSContext *cx, JSObject *obj);
10056 extern JSObject *
10057 js_InitArgumentsClass(JSContext *cx, JSObject *obj);
10058 extern void
10059 js_TraceFunction(JSTracer *trc, JSFunction *fun);
10060 extern void
10061 js_FinalizeFunction(JSContext *cx, JSFunction *fun);
10062 extern JSObject *
10063 js_CloneFunctionObject(JSContext *cx, JSFunction *fun, JSObject *parent,
10064                        JSObject *proto);
10065 inline JSObject *
10066 CloneFunctionObject(JSContext *cx, JSFunction *fun, JSObject *parent)
10067 {
10068     ((void) 0);
10069     JSObject *proto;
10070     if (!js_GetClassPrototype(cx, parent, JSProto_Function, &proto))
10071         return __null;
10072     return js_CloneFunctionObject(cx, fun, parent, proto);
10073 }
10074 extern JSObject *
10075 js_AllocFlatClosure(JSContext *cx, JSFunction *fun, JSObject *scopeChain);
10076 extern JSObject *
10077 js_NewFlatClosure(JSContext *cx, JSFunction *fun, JSOp op, size_t oplen);
10078 extern JSObject *
10079 js_NewDebuggableFlatClosure(JSContext *cx, JSFunction *fun);
10080 extern JSFunction *
10081 js_DefineFunction(JSContext *cx, JSObject *obj, jsid id, js::Native native,
10082                   uintN nargs, uintN flags);
10083 extern JSFunction *
10084 js_ValueToFunction(JSContext *cx, const js::Value *vp, uintN flags);
10085 extern JSObject *
10086 js_ValueToFunctionObject(JSContext *cx, js::Value *vp, uintN flags);
10087 extern JSObject *
10088 js_ValueToCallableObject(JSContext *cx, js::Value *vp, uintN flags);
10089 extern void
10090 js_ReportIsNotFunction(JSContext *cx, const js::Value *vp, uintN flags);
10091 extern JSObject *
10092 js_GetCallObject(JSContext *cx, JSStackFrame *fp);
10093 extern JSObject *
10094 js_CreateCallObjectOnTrace(JSContext *cx, JSFunction *fun, JSObject *callee, JSObject *scopeChain);
10095 extern void
10096 js_PutCallObject(JSContext *cx, JSStackFrame *fp);
10097 extern JSBool
10098 js_PutCallObjectOnTrace(JSContext *cx, JSObject *scopeChain, uint32 nargs,
10099                         js::Value *argv, uint32 nvars, js::Value *slots);
10100 namespace js {
10101 extern JSBool
10102 GetCallArg(JSContext *cx, JSObject *obj, jsid id, js::Value *vp);
10103 extern JSBool
10104 GetCallVar(JSContext *cx, JSObject *obj, jsid id, js::Value *vp);
10105 extern JSBool
10106 GetCallVarChecked(JSContext *cx, JSObject *obj, jsid id, js::Value *vp);
10107 extern JSBool
10108 GetCallUpvar(JSContext *cx, JSObject *obj, jsid id, js::Value *vp);
10109 extern JSBool
10110 SetCallArg(JSContext *cx, JSObject *obj, jsid id, JSBool strict, js::Value *vp);
10111 extern JSBool
10112 SetCallVar(JSContext *cx, JSObject *obj, jsid id, JSBool strict, js::Value *vp);
10113 extern JSBool
10114 SetCallUpvar(JSContext *cx, JSObject *obj, jsid id, JSBool strict, js::Value *vp);
10115 }
10116 extern JSBool
10117 js_GetArgsValue(JSContext *cx, JSStackFrame *fp, js::Value *vp);
10118 extern JSBool
10119 js_GetArgsProperty(JSContext *cx, JSStackFrame *fp, jsid id, js::Value *vp);
10120 extern JSObject *
10121 js_GetArgsObject(JSContext *cx, JSStackFrame *fp);
10122 extern void
10123 js_PutArgsObject(JSContext *cx, JSStackFrame *fp);
10124 inline
10125        bool
10126 js_IsNamedLambda(JSFunction *fun) { return (fun->flags & 0x08) && fun->atom; }
10127 const uint32 JS_ARGS_LENGTH_MAX = ((JSUint32)1 << (19)) - 1024;
10128 typedef int js_static_assert51[(JS_ARGS_LENGTH_MAX <= ((JSUint32)1 << (30))) ? 1 : -1];
10129 typedef int js_static_assert52[(((JS_ARGS_LENGTH_MAX << 1) | 1) <= ((jsint)0x7fffffff)) ? 1 : -1];
10130 extern JSBool
10131 js_XDRFunctionObject(JSXDRState *xdr, JSObject **objp);
10132 extern JSBool
10133 js_fun_apply(JSContext *cx, uintN argc, js::Value *vp);
10134 extern JSBool
10135 js_fun_call(JSContext *cx, uintN argc, js::Value *vp);
10136 extern "C" {
10137 typedef long int __jmp_buf[64] __attribute__ ((__aligned__ (16)));
10138 struct __jmp_buf_tag
10139   {
10140     __jmp_buf __jmpbuf;
10141     int __mask_was_saved;
10142     __sigset_t __saved_mask;
10143   };
10144 typedef struct __jmp_buf_tag jmp_buf[1];
10145 extern int setjmp (jmp_buf __env) throw ();
10146 extern int __sigsetjmp (struct __jmp_buf_tag __env[1], int __savemask) throw ();
10147 extern int _setjmp (struct __jmp_buf_tag __env[1]) throw ();
10148 extern void longjmp (struct __jmp_buf_tag __env[1], int __val)
10149      throw () __attribute__ ((__noreturn__));
10150 extern void _longjmp (struct __jmp_buf_tag __env[1], int __val)
10151      throw () __attribute__ ((__noreturn__));
10152 typedef struct __jmp_buf_tag sigjmp_buf[1];
10153 extern void siglongjmp (sigjmp_buf __env, int __val)
10154      throw () __attribute__ ((__noreturn__));
10155 extern void longjmp (struct __jmp_buf_tag __env[1], int __val) throw () __asm__ ("" "__longjmp_chk")
10156                         __attribute__ ((__noreturn__));
10157 extern void _longjmp (struct __jmp_buf_tag __env[1], int __val) throw () __asm__ ("" "__longjmp_chk")
10158                         __attribute__ ((__noreturn__));
10159 extern void siglongjmp (struct __jmp_buf_tag __env[1], int __val) throw () __asm__ ("" "__longjmp_chk")
10160                         __attribute__ ((__noreturn__));
10161 }
10162 namespace js {
10163 const size_t GC_CHUNK_SHIFT = 20;
10164 const size_t GC_CHUNK_SIZE = size_t(1) << GC_CHUNK_SHIFT;
10165 const size_t GC_CHUNK_MASK = GC_CHUNK_SIZE - 1;
10166 __attribute__((visibility ("default"))) void *
10167 AllocGCChunk();
10168 __attribute__((visibility ("default"))) void
10169 FreeGCChunk(void *p);
10170 class GCChunkAllocator {
10171   public:
10172     GCChunkAllocator() {}
10173     void *alloc() {
10174         void *chunk = doAlloc();
10175         ((void) 0);
10176         return chunk;
10177     }
10178     void free(void *chunk) {
10179         ((void) 0);
10180         ((void) 0);
10181         doFree(chunk);
10182     }
10183   private:
10184     virtual void *doAlloc() {
10185         return AllocGCChunk();
10186     }
10187     virtual void doFree(void *chunk) {
10188         FreeGCChunk(chunk);
10189     }
10190     GCChunkAllocator(const GCChunkAllocator &);
10191     void operator=(const GCChunkAllocator &);
10192 };
10193 extern GCChunkAllocator defaultGCChunkAllocator;
10194 }
10195 namespace js {
10196 namespace gc {
10197 enum ConservativeGCTest {
10198     CGCT_VALID,
10199     CGCT_VALIDWITHOFFSET,
10200     CGCT_LOWBITSET,
10201     CGCT_NOTARENA,
10202     CGCT_NOTCHUNK,
10203     CGCT_FREEARENA,
10204     CGCT_WRONGTAG,
10205     CGCT_NOTLIVE,
10206     CGCT_END
10207 };
10208 struct ConservativeGCStats {
10209     uint32 counter[gc::CGCT_END];
10210     void add(const ConservativeGCStats &another) {
10211         for (size_t i = 0; i != (sizeof (counter) / sizeof (counter)[0]); ++i)
10212             counter[i] += another.counter[i];
10213     }
10214     void dump(FILE *fp);
10215 };
10216 }
10217 }
10218 extern __attribute__((visibility ("default"))) void
10219 js_DumpGCStats(JSRuntime *rt, FILE *fp);
10220 struct JSCompartment;
10221 extern "C" void
10222 js_TraceXML(JSTracer *trc, JSXML* thing);
10223 namespace js {
10224 struct Shape;
10225 namespace gc {
10226 enum FinalizeKind {
10227     FINALIZE_OBJECT0,
10228     FINALIZE_OBJECT2,
10229     FINALIZE_OBJECT4,
10230     FINALIZE_OBJECT8,
10231     FINALIZE_OBJECT12,
10232     FINALIZE_OBJECT16,
10233     FINALIZE_OBJECT_LAST = FINALIZE_OBJECT16,
10234     FINALIZE_FUNCTION,
10235     FINALIZE_XML,
10236     FINALIZE_SHORT_STRING,
10237     FINALIZE_STRING,
10238     FINALIZE_EXTERNAL_STRING,
10239     FINALIZE_LIMIT
10240 };
10241 const uintN JS_FINALIZE_OBJECT_LIMIT = 6;
10242 struct ArenaHeader {
10243     JSCompartment *compartment;
10244     Arena<FreeCell> *next;
10245     FreeCell *freeList;
10246     unsigned thingKind;
10247     bool isUsed;
10248     size_t thingSize;
10249 };
10250 template <typename T>
10251 union ThingOrCell {
10252     T t;
10253     FreeCell cell;
10254 };
10255 template <typename T, size_t N, size_t R>
10256 struct Things {
10257     ThingOrCell<T> things[N];
10258     char filler[R];
10259 };
10260 template <typename T, size_t N>
10261 struct Things<T, N, 0> {
10262     ThingOrCell<T> things[N];
10263 };
10264 template <typename T>
10265 struct Arena {
10266     static const size_t ArenaSize = 4096;
10267     struct AlignedArenaHeader {
10268         T align[(sizeof(ArenaHeader) + sizeof(T) - 1) / sizeof(T)];
10269     };
10270     union {
10271         ArenaHeader aheader;
10272         AlignedArenaHeader align;
10273     };
10274     static const size_t ThingsPerArena = (ArenaSize - sizeof(AlignedArenaHeader)) / sizeof(T);
10275     static const size_t FillerSize = ArenaSize - sizeof(AlignedArenaHeader) - sizeof(T) * ThingsPerArena;
10276     Things<T, ThingsPerArena, FillerSize> t;
10277     inline Chunk *chunk() const;
10278     inline size_t arenaIndex() const;
10279     inline ArenaHeader *header() { return &aheader; };
10280     inline MarkingDelay *getMarkingDelay() const;
10281     inline ArenaBitmap *bitmap() const;
10282     inline ConservativeGCTest mark(T *thing, JSTracer *trc);
10283     void markDelayedChildren(JSTracer *trc);
10284     inline bool inFreeList(void *thing) const;
10285     inline T *getAlignedThing(void *thing);
10286     void init(JSCompartment *compartment, unsigned thingKind);
10287 };
10288 typedef int js_static_assert53[(sizeof(Arena<FreeCell>) == 4096) ? 1 : -1];
10289 static const uint32 BLACK = 0;
10290 struct ArenaBitmap {
10291     static const size_t BitCount = Arena<FreeCell>::ArenaSize / Cell::CellSize;
10292     static const size_t BitWords = BitCount / (8 * 8);
10293     uintptr_t bitmap[BitWords];
10294     __attribute__((always_inline)) inline bool isMarked(size_t bit, uint32 color) {
10295         bit += color;
10296         ((void) 0);
10297         uintptr_t *word = &bitmap[bit / (8 * 8)];
10298         return *word & (uintptr_t(1) << (bit % (8 * 8)));
10299     }
10300     __attribute__((always_inline)) inline bool markIfUnmarked(size_t bit, uint32 color) {
10301         ((void) 0);
10302         uintptr_t *word = &bitmap[bit / (8 * 8)];
10303         uintptr_t mask = (uintptr_t(1) << (bit % (8 * 8)));
10304         if (*word & mask)
10305             return false;
10306         *word |= mask;
10307         if (color != BLACK) {
10308             bit += color;
10309             word = &bitmap[bit / (8 * 8)];
10310             mask = (uintptr_t(1) << (bit % (8 * 8)));
10311             if (*word & mask)
10312                 return false;
10313             *word |= mask;
10314         }
10315         return true;
10316     }
10317     __attribute__((always_inline)) inline void unmark(size_t bit, uint32 color) {
10318         bit += color;
10319         ((void) 0);
10320         uintptr_t *word = &bitmap[bit / (8 * 8)];
10321         *word &= ~(uintptr_t(1) << (bit % (8 * 8)));
10322     }
10323 };
10324 typedef int js_static_assert54[(Arena<FreeCell>::ArenaSize % Cell::CellSize == 0) ? 1 : -1];
10325 typedef int js_static_assert55[(ArenaBitmap::BitCount % (8 * 8) == 0) ? 1 : -1];
10326 struct MarkingDelay {
10327     Arena<Cell> *link;
10328     uintptr_t unmarkedChildren;
10329     jsuword start;
10330     void init()
10331     {
10332         link = __null;
10333         unmarkedChildren = 0;
10334     }
10335 };
10336 struct EmptyArenaLists {
10337     Arena<FreeCell> *cellFreeList;
10338     Arena<FreeCell> *freeLists[FINALIZE_LIMIT];
10339     void init() {
10340         PodZero(this);
10341     }
10342     Arena<FreeCell> *getOtherArena() {
10343         Arena<FreeCell> *arena = cellFreeList;
10344         if (arena) {
10345             cellFreeList = arena->header()->next;
10346             return arena;
10347         }
10348         for (int i = 0; i < FINALIZE_LIMIT; i++) {
10349             if ((arena = (Arena<FreeCell> *) freeLists[i])) {
10350                 freeLists[i] = freeLists[i]->header()->next;
10351                 return arena;
10352             }
10353         }
10354         ;
10355         return __null;
10356     }
10357     template <typename T>
10358     inline Arena<T> *getTypedFreeList(unsigned thingKind);
10359     template <typename T>
10360     inline Arena<T> *getNext(JSCompartment *comp, unsigned thingKind);
10361     template <typename T>
10362     inline void insert(Arena<T> *arena);
10363 };
10364 template <typename T>
10365 inline Arena<T> *
10366 EmptyArenaLists::getTypedFreeList(unsigned thingKind) {
10367     ((void) 0);
10368     Arena<T> *arena = (Arena<T>*) freeLists[thingKind];
10369     if (arena) {
10370         freeLists[thingKind] = freeLists[thingKind]->header()->next;
10371         return arena;
10372     }
10373     return __null;
10374 }
10375 template<typename T>
10376 inline Arena<T> *
10377 EmptyArenaLists::getNext(JSCompartment *comp, unsigned thingKind) {
10378     Arena<T> *arena = getTypedFreeList<T>(thingKind);
10379     if (arena) {
10380         ((void) 0);
10381         ((void) 0);
10382         arena->header()->isUsed = true;
10383         arena->header()->thingKind = thingKind;
10384         arena->header()->compartment = comp;
10385         return arena;
10386     }
10387     arena = (Arena<T> *)getOtherArena();
10388     ((void) 0);
10389     arena->init(comp, thingKind);
10390     return arena;
10391 }
10392 template <typename T>
10393 inline void
10394 EmptyArenaLists::insert(Arena<T> *arena) {
10395     unsigned thingKind = arena->header()->thingKind;
10396     ((void) 0);
10397     arena->header()->next = freeLists[thingKind];
10398     freeLists[thingKind] = (Arena<FreeCell> *) arena;
10399 }
10400 struct ChunkInfo {
10401     Chunk *link;
10402     JSRuntime *runtime;
10403     EmptyArenaLists emptyArenaLists;
10404     size_t age;
10405     size_t numFree;
10406 };
10407 struct Chunk {
10408     static const size_t BytesPerArena = sizeof(Arena<FreeCell>) +
10409                                         sizeof(ArenaBitmap) +
10410                                         sizeof(MarkingDelay);
10411     static const size_t ArenasPerChunk = (GC_CHUNK_SIZE - sizeof(ChunkInfo)) / BytesPerArena;
10412     Arena<FreeCell> arenas[ArenasPerChunk];
10413     ArenaBitmap bitmaps[ArenasPerChunk];
10414     MarkingDelay markingDelay[ArenasPerChunk];
10415     ChunkInfo info;
10416     void clearMarkBitmap();
10417     void init(JSRuntime *rt);
10418     bool unused();
10419     bool hasAvailableArenas();
10420     bool withinArenasRange(Cell *cell);
10421     template <typename T>
10422     Arena<T> *allocateArena(JSCompartment *comp, unsigned thingKind);
10423     template <typename T>
10424     void releaseArena(Arena<T> *a);
10425     JSRuntime *getRuntime();
10426 };
10427 typedef int js_static_assert56[(sizeof(Chunk) <= GC_CHUNK_SIZE) ? 1 : -1];
10428 typedef int js_static_assert57[(sizeof(Chunk) + Chunk::BytesPerArena > GC_CHUNK_SIZE) ? 1 : -1];
10429 Arena<Cell> *
10430 Cell::arena() const
10431 {
10432     uintptr_t addr = uintptr_t(this);
10433     ((void) 0);
10434     addr &= ~(Arena<FreeCell>::ArenaSize - 1);
10435     return reinterpret_cast<Arena<Cell> *>(addr);
10436 }
10437 Chunk *
10438 Cell::chunk() const
10439 {
10440     uintptr_t addr = uintptr_t(this);
10441     ((void) 0);
10442     addr &= ~(GC_CHUNK_SIZE - 1);
10443     return reinterpret_cast<Chunk *>(addr);
10444 }
10445 ArenaBitmap *
10446 Cell::bitmap() const
10447 {
10448     return &chunk()->bitmaps[arena()->arenaIndex()];
10449 }
10450 size_t
10451 Cell::cellIndex() const
10452 {
10453     return reinterpret_cast<const FreeCell *>(this) - reinterpret_cast<FreeCell *>(&arena()->t);
10454 }
10455 template <typename T>
10456 Chunk *
10457 Arena<T>::chunk() const
10458 {
10459     uintptr_t addr = uintptr_t(this);
10460     ((void) 0);
10461     addr &= ~(GC_CHUNK_SIZE - 1);
10462     return reinterpret_cast<Chunk *>(addr);
10463 }
10464 template <typename T>
10465 size_t
10466 Arena<T>::arenaIndex() const
10467 {
10468     return reinterpret_cast<const Arena<FreeCell> *>(this) - chunk()->arenas;
10469 }
10470 template <typename T>
10471 MarkingDelay *
10472 Arena<T>::getMarkingDelay() const
10473 {
10474     return &chunk()->markingDelay[arenaIndex()];
10475 }
10476 template <typename T>
10477 ArenaBitmap *
10478 Arena<T>::bitmap() const
10479 {
10480     return &chunk()->bitmaps[arenaIndex()];
10481 }
10482 template <typename T>
10483 inline T *
10484 Arena<T>::getAlignedThing(void *thing)
10485 {
10486     jsuword start = reinterpret_cast<jsuword>(&t.things[0]);
10487     jsuword offset = reinterpret_cast<jsuword>(thing) - start;
10488     offset -= offset % aheader.thingSize;
10489     return reinterpret_cast<T *>(start + offset);
10490 }
10491 static void
10492 AssertValidColor(const void *thing, uint32 color)
10493 {
10494     ((void) 0);
10495 }
10496 inline
10497        bool
10498 Cell::isMarked(uint32 color = BLACK) const
10499 {
10500     AssertValidColor(this, color);
10501     return bitmap()->isMarked(cellIndex(), color);
10502 }
10503 bool
10504 Cell::markIfUnmarked(uint32 color = BLACK) const
10505 {
10506     AssertValidColor(this, color);
10507     return bitmap()->markIfUnmarked(cellIndex(), color);
10508 }
10509 void
10510 Cell::unmark(uint32 color) const
10511 {
10512     ((void) 0);
10513     AssertValidColor(this, color);
10514     bitmap()->unmark(cellIndex(), color);
10515 }
10516 JSCompartment *
10517 Cell::compartment() const
10518 {
10519     return arena()->header()->compartment;
10520 }
10521 template <typename T>
10522 static inline
10523 Arena<T> *
10524 GetArena(Cell *cell)
10525 {
10526     return reinterpret_cast<Arena<T> *>(cell->arena());
10527 }
10528 const size_t GC_ARENA_ALLOCATION_TRIGGER = 30 * js::GC_CHUNK_SIZE;
10529 const float GC_HEAP_GROWTH_FACTOR = 3.0f;
10530 static inline size_t
10531 GetFinalizableTraceKind(size_t thingKind)
10532 {
10533     typedef int js_static_assert58[(JSExternalString::TYPE_LIMIT == 8) ? 1 : -1];
10534     static const uint8 map[FINALIZE_LIMIT] = {
10535         0,
10536         0,
10537         0,
10538         0,
10539         0,
10540         0,
10541         0,
10542         2,
10543         1,
10544         1,
10545         1,
10546     };
10547     ((void) 0);
10548     return map[thingKind];
10549 }
10550 static inline
10551               bool
10552 IsFinalizableStringKind(unsigned thingKind)
10553 {
10554     return unsigned(FINALIZE_SHORT_STRING) <= thingKind &&
10555            thingKind <= unsigned(FINALIZE_EXTERNAL_STRING);
10556 }
10557 static inline intN
10558 GetExternalStringGCType(JSExternalString *str)
10559 {
10560     typedef int js_static_assert59[(FINALIZE_STRING + 1 == FINALIZE_EXTERNAL_STRING) ? 1 : -1];
10561     ((void) 0);
10562     unsigned thingKind = str->externalStringType;
10563     ((void) 0);
10564     return intN(thingKind);
10565 }
10566 static inline uint32
10567 GetGCThingTraceKind(void *thing)
10568 {
10569     ((void) 0);
10570     if (JSString::isStatic(thing))
10571         return 1;
10572     Cell *cell = reinterpret_cast<Cell *>(thing);
10573     return GetFinalizableTraceKind(cell->arena()->header()->thingKind);
10574 }
10575 static inline JSRuntime *
10576 GetGCThingRuntime(void *thing)
10577 {
10578     return reinterpret_cast<FreeCell *>(thing)->chunk()->info.runtime;
10579 }
10580 struct ArenaList {
10581     Arena<FreeCell> *head;
10582     Arena<FreeCell> *cursor;
10583     inline void init() {
10584         head = __null;
10585         cursor = __null;
10586     }
10587     inline Arena<FreeCell> *getNextWithFreeList() {
10588         Arena<FreeCell> *a;
10589         while (cursor != __null) {
10590             ArenaHeader *aheader = cursor->header();
10591             a = cursor;
10592             cursor = aheader->next;
10593             if (aheader->freeList)
10594                 return a;
10595         }
10596         return __null;
10597     }
10598     inline void insert(Arena<FreeCell> *a) {
10599         a->header()->next = head;
10600         head = a;
10601     }
10602     void releaseAll() {
10603         while (head) {
10604             Arena<FreeCell> *next = head->header()->next;
10605             head->chunk()->releaseArena(head);
10606             head = next;
10607         }
10608         head = __null;
10609         cursor = __null;
10610     }
10611     inline bool isEmpty() const {
10612         return (head == __null);
10613     }
10614 };
10615 struct FreeLists {
10616     FreeCell **finalizables[FINALIZE_LIMIT];
10617     void purge();
10618     inline FreeCell *getNext(uint32 kind) {
10619         FreeCell *top = __null;
10620         if (finalizables[kind]) {
10621             top = *finalizables[kind];
10622             if (top) {
10623                 *finalizables[kind] = top->link;
10624             } else {
10625                 finalizables[kind] = __null;
10626             }
10627         }
10628         return top;
10629     }
10630     template <typename T>
10631     inline void populate(Arena<T> *a, uint32 thingKind) {
10632         finalizables[thingKind] = &a->header()->freeList;
10633     }
10634 };
10635 }
10636 typedef Vector<gc::Chunk *, 32, SystemAllocPolicy> GCChunks;
10637 struct GCPtrHasher
10638 {
10639     typedef void *Lookup;
10640     static HashNumber hash(void *key) {
10641         return HashNumber(uintptr_t(key) >> JS_GCTHING_ZEROBITS);
10642     }
10643     static bool match(void *l, void *k) { return l == k; }
10644 };
10645 typedef HashMap<void *, uint32, GCPtrHasher, SystemAllocPolicy> GCLocks;
10646 struct RootInfo {
10647     RootInfo() {}
10648     RootInfo(const char *name, JSGCRootType type) : name(name), type(type) {}
10649     const char *name;
10650     JSGCRootType type;
10651 };
10652 typedef js::HashMap<void *,
10653                     RootInfo,
10654                     js::DefaultHasher<void *>,
10655                     js::SystemAllocPolicy> RootedValueMap;
10656 typedef int js_static_assert60[(sizeof(HashNumber) == 4) ? 1 : -1];
10657 struct WrapperHasher
10658 {
10659     typedef Value Lookup;
10660     static HashNumber hash(Value key) {
10661         uint64 bits = (Jsvalify(key));
10662         return (uint32)bits ^ (uint32)(bits >> 32);
10663     }
10664     static bool match(const Value &l, const Value &k) { return l == k; }
10665 };
10666 typedef HashMap<Value, Value, WrapperHasher, SystemAllocPolicy> WrapperMap;
10667 class AutoValueVector;
10668 class AutoIdVector;
10669 }
10670 static inline void
10671 CheckGCFreeListLink(js::gc::FreeCell *cell)
10672 {
10673     ((void) 0)
10674                                      ;
10675     ((void) 0);
10676 }
10677 extern
10678        bool
10679 RefillFinalizableFreeList(JSContext *cx, unsigned thingKind);
10680 extern intN
10681 js_GetExternalStringGCType(JSString *str);
10682 extern __attribute__((visibility ("default"))) uint32
10683 js_GetGCThingTraceKind(void *thing);
10684 extern JSBool
10685 js_InitGC(JSRuntime *rt, uint32 maxbytes);
10686 extern void
10687 js_FinishGC(JSRuntime *rt);
10688 extern JSBool
10689 js_AddRoot(JSContext *cx, js::Value *vp, const char *name);
10690 extern JSBool
10691 js_AddGCThingRoot(JSContext *cx, void **rp, const char *name);
10692 extern uint32
10693 js_MapGCRoots(JSRuntime *rt, JSGCRootMapFun map, void *data);
10694 typedef struct JSPtrTable {
10695     size_t count;
10696     void **array;
10697 } JSPtrTable;
10698 extern JSBool
10699 js_RegisterCloseableIterator(JSContext *cx, JSObject *obj);
10700 extern JSBool
10701 js_LockGCThingRT(JSRuntime *rt, void *thing);
10702 extern void
10703 js_UnlockGCThingRT(JSRuntime *rt, void *thing);
10704 extern __attribute__((visibility ("default"))) bool
10705 IsAboutToBeFinalized(JSContext *cx, void *thing);
10706 extern __attribute__((visibility ("default"))) bool
10707 js_GCThingIsMarked(void *thing, uintN color);
10708 extern void
10709 js_TraceStackFrame(JSTracer *trc, JSStackFrame *fp);
10710 namespace js {
10711 extern void
10712 MarkRuntime(JSTracer *trc);
10713 extern void
10714 TraceRuntime(JSTracer *trc);
10715 extern __attribute__((visibility ("default"))) void
10716 MarkContext(JSTracer *trc, JSContext *acx);
10717 extern void
10718 TriggerGC(JSRuntime *rt);
10719 extern void
10720 TriggerCompartmentGC(JSCompartment *comp);
10721 extern void
10722 MaybeGC(JSContext *cx);
10723 }
10724 typedef enum JSGCInvocationKind {
10725     GC_NORMAL = 0,
10726     GC_LAST_CONTEXT = 1
10727 } JSGCInvocationKind;
10728 extern void
10729 js_GC(JSContext *cx, JSCompartment *comp, JSGCInvocationKind gckind);
10730 extern void
10731 js_WaitForGC(JSRuntime *rt);
10732 extern void
10733 js_DestroyScriptsToGC(JSContext *cx, JSCompartment *comp);
10734 namespace js {
10735 class GCHelperThread {
10736     static const size_t FREE_ARRAY_SIZE = size_t(1) << 16;
10737     static const size_t FREE_ARRAY_LENGTH = FREE_ARRAY_SIZE / sizeof(void *);
10738     PRThread* thread;
10739     PRCondVar* wakeup;
10740     PRCondVar* sweepingDone;
10741     bool shutdown;
10742     bool sweeping;
10743     Vector<void **, 16, js::SystemAllocPolicy> freeVector;
10744     void **freeCursor;
10745     void **freeCursorEnd;
10746     __attribute__((visibility ("default"))) void
10747     replenishAndFreeLater(void *ptr);
10748     static void freeElementsAndArray(void **array, void **end) {
10749         ((void) 0);
10750         for (void **p = array; p != end; ++p)
10751             js_free(*p);
10752         js_free(array);
10753     }
10754     static void threadMain(void* arg);
10755     void threadLoop(JSRuntime *rt);
10756     void doSweep();
10757   public:
10758     GCHelperThread()
10759       : thread(__null),
10760         wakeup(__null),
10761         sweepingDone(__null),
10762         shutdown(false),
10763         sweeping(false),
10764         freeCursor(__null),
10765         freeCursorEnd(__null) { }
10766     bool init(JSRuntime *rt);
10767     void finish(JSRuntime *rt);
10768     void startBackgroundSweep(JSRuntime *rt);
10769     void waitBackgroundSweepEnd(JSRuntime *rt);
10770     void freeLater(void *ptr) {
10771         ((void) 0);
10772         if (freeCursor != freeCursorEnd)
10773             *freeCursor++ = ptr;
10774         else
10775             replenishAndFreeLater(ptr);
10776     }
10777 };
10778 struct GCChunkHasher {
10779     typedef gc::Chunk *Lookup;
10780     static HashNumber hash(gc::Chunk *chunk) {
10781         ((void) 0);
10782         return HashNumber(jsuword(chunk) >> GC_CHUNK_SHIFT);
10783     }
10784     static bool match(gc::Chunk *k, gc::Chunk *l) {
10785         ((void) 0);
10786         ((void) 0);
10787         return k == l;
10788     }
10789 };
10790 typedef HashSet<js::gc::Chunk *, GCChunkHasher, SystemAllocPolicy> GCChunkSet;
10791 struct ConservativeGCThreadData {
10792     jsuword *nativeStackTop;
10793     union {
10794         jmp_buf jmpbuf;
10795         jsuword words[(((sizeof(jmp_buf))+(sizeof(jsuword))-1)/(sizeof(jsuword)))];
10796     } registerSnapshot;
10797     unsigned requestThreshold;
10798     __attribute__((noinline)) void recordStackTop();
10799     void updateForRequestEnd(unsigned suspendCount) {
10800         if (suspendCount)
10801             recordStackTop();
10802         else
10803             nativeStackTop = __null;
10804     }
10805     bool hasStackToScan() const {
10806         return !!nativeStackTop;
10807     }
10808 };
10809 struct GCMarker : public JSTracer {
10810   private:
10811     uint32 color;
10812   public:
10813     jsuword stackLimit;
10814     js::gc::Arena<js::gc::Cell> *unmarkedArenaStackTop;
10815   public:
10816     explicit GCMarker(JSContext *cx);
10817     ~GCMarker();
10818     uint32 getMarkColor() const {
10819         return color;
10820     }
10821     void setMarkColor(uint32 newColor) {
10822         markDelayedChildren();
10823         color = newColor;
10824     }
10825     void delayMarkingChildren(void *thing);
10826     __attribute__((visibility ("default"))) void markDelayedChildren();
10827 };
10828 void
10829 MarkStackRangeConservatively(JSTracer *trc, Value *begin, Value *end);
10830 }
10831 extern void
10832 js_FinalizeStringRT(JSRuntime *rt, JSString *str);
10833 extern void
10834 js_MarkTraps(JSTracer *trc);
10835 namespace js {
10836 namespace gc {
10837 extern
10838        bool
10839 SetProtoCheckingForCycles(JSContext *cx, JSObject *obj, JSObject *proto);
10840 JSCompartment *
10841 NewCompartment(JSContext *cx, JSPrincipals *principals);
10842 }
10843 }
10844 inline JSCompartment *
10845 JSObject::getCompartment() const
10846 {
10847     return compartment();
10848 }
10849 struct JSFrameRegs
10850 {
10851
10852     js::Value *sp;
10853     jsbytecode *pc;
10854     JSStackFrame *fp;
10855 };
10856 enum JSInterpMode
10857 {
10858     JSINTERP_NORMAL = 0,
10859     JSINTERP_RECORD = 1,
10860     JSINTERP_SAFEPOINT = 2,
10861     JSINTERP_PROFILE = 3
10862 };
10863 enum JSFrameFlags
10864 {
10865     JSFRAME_GLOBAL = 0x1,
10866     JSFRAME_FUNCTION = 0x2,
10867     JSFRAME_DUMMY = 0x4,
10868     JSFRAME_EVAL = 0x8,
10869     JSFRAME_DEBUGGER = 0x10,
10870     JSFRAME_GENERATOR = 0x20,
10871     JSFRAME_FLOATING_GENERATOR = 0x40,
10872     JSFRAME_CONSTRUCTING = 0x80,
10873     JSFRAME_ASSIGNING = 0x100,
10874     JSFRAME_YIELDING = 0x200,
10875     JSFRAME_FINISHED_IN_INTERPRETER = 0x400,
10876     JSFRAME_OVERRIDE_ARGS = 0x1000,
10877     JSFRAME_OVERFLOW_ARGS = 0x2000,
10878     JSFRAME_UNDERFLOW_ARGS = 0x4000,
10879     JSFRAME_HAS_IMACRO_PC = 0x8000,
10880     JSFRAME_HAS_CALL_OBJ = 0x10000,
10881     JSFRAME_HAS_ARGS_OBJ = 0x20000,
10882     JSFRAME_HAS_HOOK_DATA = 0x40000,
10883     JSFRAME_HAS_ANNOTATION = 0x80000,
10884     JSFRAME_HAS_RVAL = 0x100000,
10885     JSFRAME_HAS_SCOPECHAIN = 0x200000,
10886     JSFRAME_HAS_PREVPC = 0x400000
10887 };
10888 namespace js { namespace mjit { struct JITScript; } }
10889 struct JSStackFrame
10890 {
10891   private:
10892     mutable uint32 flags_;
10893     union {
10894         JSScript *script;
10895         JSFunction *fun;
10896     } exec;
10897     union {
10898         uintN nactual;
10899         JSObject *obj;
10900         JSScript *script;
10901     } args;
10902     mutable JSObject *scopeChain_;
10903     JSStackFrame *prev_;
10904     void *ncode_;
10905     js::Value rval_;
10906     jsbytecode *prevpc_;
10907     jsbytecode *imacropc_;
10908     void *hookData_;
10909     void *annotation_;
10910     friend class js::StackSpace;
10911     friend class js::FrameRegsIter;
10912     friend struct JSContext;
10913     inline void initPrev(JSContext *cx);
10914   public:
10915     bool isFunctionFrame() const {
10916         return !!(flags_ & JSFRAME_FUNCTION);
10917     }
10918     bool isGlobalFrame() const {
10919         return !!(flags_ & JSFRAME_GLOBAL);
10920     }
10921     bool isDummyFrame() const {
10922         return !!(flags_ & JSFRAME_DUMMY);
10923     }
10924     bool isScriptFrame() const {
10925         return !!(flags_ & (JSFRAME_FUNCTION | JSFRAME_GLOBAL));
10926     }
10927     bool isEvalFrame() const {
10928         ((void) 0);
10929         return flags_ & JSFRAME_EVAL;
10930     }
10931     bool isExecuteFrame() const {
10932         return !!(flags_ & (JSFRAME_GLOBAL | JSFRAME_EVAL));
10933     }
10934     inline void initCallFrame(JSContext *cx, JSObject &callee, JSFunction *fun,
10935                               uint32 nactual, uint32 flags);
10936     inline void resetInvokeCallFrame();
10937     inline void initCallFrameCallerHalf(JSContext *cx, uint32 flags, void *ncode);
10938     inline void initCallFrameEarlyPrologue(JSFunction *fun, uint32 nactual);
10939     inline void initCallFrameLatePrologue();
10940     inline void initEvalFrame(JSContext *cx, JSScript *script, JSStackFrame *prev,
10941                               uint32 flags);
10942     inline void initGlobalFrame(JSScript *script, JSObject &chain, uint32 flags);
10943     inline void stealFrameAndSlots(js::Value *vp, JSStackFrame *otherfp,
10944                                    js::Value *othervp, js::Value *othersp);
10945     inline void initDummyFrame(JSContext *cx, JSObject &chain);
10946     JSStackFrame *prev() const {
10947         return prev_;
10948     }
10949     inline void resetGeneratorPrev(JSContext *cx);
10950     js::Value *slots() const {
10951         return (js::Value *)(this + 1);
10952     }
10953     js::Value *base() const {
10954         return slots() + script()->nfixed;
10955     }
10956     js::Value &varSlot(uintN i) {
10957         ((void) 0);
10958         ((void) 0);
10959         return slots()[i];
10960     }
10961     jsbytecode *pc(JSContext *cx, JSStackFrame *next = __null);
10962     jsbytecode *prevpc() {
10963         ((void) 0);
10964         return prevpc_;
10965     }
10966     JSScript *script() const {
10967         ((void) 0);
10968         return isFunctionFrame()
10969                ? isEvalFrame() ? args.script : fun()->script()
10970                : exec.script;
10971     }
10972     JSScript *functionScript() const {
10973         ((void) 0);
10974         return isEvalFrame() ? args.script : fun()->script();
10975     }
10976     JSScript *globalScript() const {
10977         ((void) 0);
10978         return exec.script;
10979     }
10980     JSScript *maybeScript() const {
10981         return isScriptFrame() ? script() : __null;
10982     }
10983     size_t numFixed() const {
10984         return script()->nfixed;
10985     }
10986     size_t numSlots() const {
10987         return script()->nslots;
10988     }
10989     size_t numGlobalVars() const {
10990         ((void) 0);
10991         return exec.script->nfixed;
10992     }
10993     JSFunction* fun() const {
10994         ((void) 0);
10995         return exec.fun;
10996     }
10997     JSFunction* maybeFun() const {
10998         return isFunctionFrame() ? fun() : __null;
10999     }
11000     bool hasArgs() const {
11001         return isFunctionFrame() && !isEvalFrame();
11002     }
11003     uintN numFormalArgs() const {
11004         ((void) 0);
11005         return fun()->nargs;
11006     }
11007     js::Value &formalArg(uintN i) const {
11008         ((void) 0);
11009         return formalArgs()[i];
11010     }
11011     js::Value *formalArgs() const {
11012         ((void) 0);
11013         return (js::Value *)this - numFormalArgs();
11014     }
11015     js::Value *formalArgsEnd() const {
11016         ((void) 0);
11017         return (js::Value *)this;
11018     }
11019     js::Value *maybeFormalArgs() const {
11020         return (flags_ & (JSFRAME_FUNCTION | JSFRAME_EVAL)) == JSFRAME_FUNCTION
11021                ? formalArgs()
11022                : __null;
11023     }
11024     inline uintN numActualArgs() const;
11025     inline js::Value *actualArgs() const;
11026     inline js::Value *actualArgsEnd() const;
11027     inline js::Value &canonicalActualArg(uintN i) const;
11028     template <class Op> inline void forEachCanonicalActualArg(Op op);
11029     template <class Op> inline void forEachFormalArg(Op op);
11030     inline void clearMissingArgs();
11031     bool hasArgsObj() const {
11032         return !!(flags_ & JSFRAME_HAS_ARGS_OBJ);
11033     }
11034     JSObject &argsObj() const {
11035         ((void) 0);
11036         ((void) 0);
11037         return *args.obj;
11038     }
11039     JSObject *maybeArgsObj() const {
11040         return hasArgsObj() ? &argsObj() : __null;
11041     }
11042     inline void setArgsObj(JSObject &obj);
11043     inline void clearArgsObj();
11044     js::Value &functionThis() const {
11045         ((void) 0);
11046         if (isEvalFrame())
11047             return ((js::Value *)this)[-1];
11048         return formalArgs()[-1];
11049     }
11050     JSObject &constructorThis() const {
11051         ((void) 0);
11052         return formalArgs()[-1].toObject();
11053     }
11054     js::Value &globalThis() const {
11055         ((void) 0);
11056         return ((js::Value *)this)[-1];
11057     }
11058     js::Value &thisValue() const {
11059         if (flags_ & (JSFRAME_EVAL | JSFRAME_GLOBAL))
11060             return ((js::Value *)this)[-1];
11061         return formalArgs()[-1];
11062     }
11063     inline bool computeThis(JSContext *cx);
11064     js::Value &calleeValue() const {
11065         ((void) 0);
11066         if (isEvalFrame())
11067             return ((js::Value *)this)[-2];
11068         return formalArgs()[-2];
11069     }
11070     JSObject &callee() const {
11071         ((void) 0);
11072         return calleeValue().toObject();
11073     }
11074     JSObject *maybeCallee() const {
11075         return isFunctionFrame() ? &callee() : __null;
11076     }
11077     bool getValidCalleeObject(JSContext *cx, js::Value *vp);
11078     JSObject &scopeChain() const {
11079         ((void) 0);
11080         if (!(flags_ & JSFRAME_HAS_SCOPECHAIN)) {
11081             scopeChain_ = callee().getParent();
11082             flags_ |= JSFRAME_HAS_SCOPECHAIN;
11083         }
11084         return *scopeChain_;
11085     }
11086     bool hasCallObj() const {
11087         return !!(flags_ & JSFRAME_HAS_CALL_OBJ);
11088     }
11089     inline JSObject &callObj() const;
11090     inline JSObject *maybeCallObj() const;
11091     inline void setScopeChainNoCallObj(JSObject &obj);
11092     inline void setScopeChainAndCallObj(JSObject &obj);
11093     inline void clearCallObj();
11094     bool hasImacropc() const {
11095         return flags_ & JSFRAME_HAS_IMACRO_PC;
11096     }
11097     jsbytecode *imacropc() const {
11098         ((void) 0);
11099         return imacropc_;
11100     }
11101     jsbytecode *maybeImacropc() const {
11102         return hasImacropc() ? imacropc() : __null;
11103     }
11104     void clearImacropc() {
11105         flags_ &= ~JSFRAME_HAS_IMACRO_PC;
11106     }
11107     void setImacropc(jsbytecode *pc) {
11108         ((void) 0);
11109         ((void) 0);
11110         imacropc_ = pc;
11111         flags_ |= JSFRAME_HAS_IMACRO_PC;
11112     }
11113     void* annotation() const {
11114         return (flags_ & JSFRAME_HAS_ANNOTATION) ? annotation_ : __null;
11115     }
11116     void setAnnotation(void *annot) {
11117         flags_ |= JSFRAME_HAS_ANNOTATION;
11118         annotation_ = annot;
11119     }
11120     bool hasHookData() const {
11121         return !!(flags_ & JSFRAME_HAS_HOOK_DATA);
11122     }
11123     void* hookData() const {
11124         ((void) 0);
11125         return hookData_;
11126     }
11127     void* maybeHookData() const {
11128         return hasHookData() ? hookData_ : __null;
11129     }
11130     void setHookData(void *v) {
11131         hookData_ = v;
11132         flags_ |= JSFRAME_HAS_HOOK_DATA;
11133     }
11134     const js::Value &returnValue() {
11135         if (!(flags_ & JSFRAME_HAS_RVAL))
11136             rval_.setUndefined();
11137         return rval_;
11138     }
11139     void markReturnValue() {
11140         flags_ |= JSFRAME_HAS_RVAL;
11141     }
11142     void setReturnValue(const js::Value &v) {
11143         rval_ = v;
11144         markReturnValue();
11145     }
11146     void clearReturnValue() {
11147         rval_.setUndefined();
11148         markReturnValue();
11149     }
11150     void *nativeReturnAddress() const {
11151         return ncode_;
11152     }
11153     void setNativeReturnAddress(void *addr) {
11154         ncode_ = addr;
11155     }
11156     void **addressOfNativeReturnAddress() {
11157         return &ncode_;
11158     }
11159     bool isGeneratorFrame() const {
11160         return !!(flags_ & JSFRAME_GENERATOR);
11161     }
11162     bool isFloatingGenerator() const {
11163         ((void) 0);
11164         return !!(flags_ & JSFRAME_FLOATING_GENERATOR);
11165     }
11166     void initFloatingGenerator() {
11167         ((void) 0);
11168         flags_ |= (JSFRAME_GENERATOR | JSFRAME_FLOATING_GENERATOR);
11169     }
11170     void unsetFloatingGenerator() {
11171         flags_ &= ~JSFRAME_FLOATING_GENERATOR;
11172     }
11173     void setFloatingGenerator() {
11174         flags_ |= JSFRAME_FLOATING_GENERATOR;
11175     }
11176     bool isConstructing() const {
11177         return !!(flags_ & JSFRAME_CONSTRUCTING);
11178     }
11179     uint32 isConstructingFlag() const {
11180         ((void) 0);
11181         ((void) 0);
11182         return flags_;
11183     }
11184     bool isDebuggerFrame() const {
11185         return !!(flags_ & JSFRAME_DEBUGGER);
11186     }
11187     bool isEvalOrDebuggerFrame() const {
11188         return !!(flags_ & (JSFRAME_EVAL | JSFRAME_DEBUGGER));
11189     }
11190     bool hasOverriddenArgs() const {
11191         return !!(flags_ & JSFRAME_OVERRIDE_ARGS);
11192     }
11193     bool hasOverflowArgs() const {
11194         return !!(flags_ & JSFRAME_OVERFLOW_ARGS);
11195     }
11196     void setOverriddenArgs() {
11197         flags_ |= JSFRAME_OVERRIDE_ARGS;
11198     }
11199     bool isAssigning() const {
11200         return !!(flags_ & JSFRAME_ASSIGNING);
11201     }
11202     void setAssigning() {
11203         flags_ |= JSFRAME_ASSIGNING;
11204     }
11205     void clearAssigning() {
11206         flags_ &= ~JSFRAME_ASSIGNING;
11207     }
11208     bool isYielding() {
11209         return !!(flags_ & JSFRAME_YIELDING);
11210     }
11211     void setYielding() {
11212         flags_ |= JSFRAME_YIELDING;
11213     }
11214     void clearYielding() {
11215         flags_ &= ~JSFRAME_YIELDING;
11216     }
11217     void setFinishedInInterpreter() {
11218         flags_ |= JSFRAME_FINISHED_IN_INTERPRETER;
11219     }
11220     bool finishedInInterpreter() const {
11221         return !!(flags_ & JSFRAME_FINISHED_IN_INTERPRETER);
11222     }
11223     inline JSObject &varobj(js::StackSegment *seg) const;
11224     inline JSObject &varobj(JSContext *cx) const;
11225     static size_t offsetOfFlags() {
11226         return __builtin_offsetof (JSStackFrame, flags_);
11227     }
11228     static size_t offsetOfExec() {
11229         return __builtin_offsetof (JSStackFrame, exec);
11230     }
11231     void *addressOfArgs() {
11232         return &args;
11233     }
11234     static size_t offsetOfScopeChain() {
11235         return __builtin_offsetof (JSStackFrame, scopeChain_);
11236     }
11237     JSObject **addressOfScopeChain() {
11238         ((void) 0);
11239         return &scopeChain_;
11240     }
11241     static size_t offsetOfPrev() {
11242         return __builtin_offsetof (JSStackFrame, prev_);
11243     }
11244     static size_t offsetOfReturnValue() {
11245         return __builtin_offsetof (JSStackFrame, rval_);
11246     }
11247     static ptrdiff_t offsetOfncode() {
11248         return __builtin_offsetof (JSStackFrame, ncode_);
11249     }
11250     static ptrdiff_t offsetOfCallee(JSFunction *fun) {
11251         ((void) 0);
11252         return -(fun->nargs + 2) * sizeof(js::Value);
11253     }
11254     static ptrdiff_t offsetOfThis(JSFunction *fun) {
11255         return fun == __null
11256                ? -1 * ptrdiff_t(sizeof(js::Value))
11257                : -(fun->nargs + 1) * ptrdiff_t(sizeof(js::Value));
11258     }
11259     static ptrdiff_t offsetOfFormalArg(JSFunction *fun, uintN i) {
11260         ((void) 0);
11261         return (-(int)fun->nargs + i) * sizeof(js::Value);
11262     }
11263     static size_t offsetOfFixed(uintN i) {
11264         return sizeof(JSStackFrame) + i * sizeof(js::Value);
11265     }
11266     void staticAsserts() {
11267         typedef int js_static_assert61[(__builtin_offsetof (JSStackFrame, rval_) % sizeof(js::Value) == 0) ? 1 : -1];
11268         typedef int js_static_assert62[(sizeof(JSStackFrame) % sizeof(js::Value) == 0) ? 1 : -1];
11269     }
11270     void methodjitStaticAsserts();
11271 };
11272 namespace js {
11273 static const size_t VALUES_PER_STACK_FRAME = sizeof(JSStackFrame) / sizeof(Value);
11274 extern JSObject *
11275 GetBlockChain(JSContext *cx, JSStackFrame *fp);
11276 extern JSObject *
11277 GetBlockChainFast(JSContext *cx, JSStackFrame *fp, JSOp op, size_t oplen);
11278 extern JSObject *
11279 GetScopeChain(JSContext *cx);
11280 extern JSObject *
11281 GetScopeChain(JSContext *cx, JSStackFrame *fp);
11282 extern JSObject *
11283 GetScopeChainFast(JSContext *cx, JSStackFrame *fp, JSOp op, size_t oplen);
11284 void
11285 ReportIncompatibleMethod(JSContext *cx, Value *vp, Class *clasp);
11286 template <typename T>
11287 bool GetPrimitiveThis(JSContext *cx, Value *vp, T *v);
11288 inline void
11289 PutActivationObjects(JSContext *cx, JSStackFrame *fp);
11290 inline void
11291 PutOwnedActivationObjects(JSContext *cx, JSStackFrame *fp);
11292 extern
11293        bool
11294 BoxThisForVp(JSContext *cx, js::Value *vp);
11295 struct CallArgs
11296 {
11297     Value *argv_;
11298     uintN argc_;
11299   protected:
11300     CallArgs() {}
11301     CallArgs(Value *argv, uintN argc) : argv_(argv), argc_(argc) {}
11302   public:
11303     Value *base() const { return argv_ - 2; }
11304     Value &callee() const { return argv_[-2]; }
11305     Value &thisv() const { return argv_[-1]; }
11306     Value &operator[](unsigned i) const { ((void) 0); return argv_[i]; }
11307     Value *argv() const { return argv_; }
11308     uintN argc() const { return argc_; }
11309     Value &rval() const { return argv_[-2]; }
11310 };
11311 extern
11312                          bool
11313 Invoke(JSContext *cx, const CallArgs &args, uint32 flags);
11314 class InvokeSessionGuard;
11315 extern
11316        bool
11317 ExternalInvoke(JSContext *cx, const Value &thisv, const Value &fval,
11318                uintN argc, Value *argv, Value *rval);
11319 extern
11320        bool
11321 ExternalGetOrSet(JSContext *cx, JSObject *obj, jsid id, const Value &fval,
11322                  JSAccessMode mode, uintN argc, Value *argv, Value *rval);
11323 extern
11324                          bool
11325 InvokeConstructor(JSContext *cx, const CallArgs &args);
11326 extern
11327                          bool
11328 InvokeConstructorWithGivenThis(JSContext *cx, JSObject *thisobj, const Value &fval,
11329                                uintN argc, Value *argv, Value *rval);
11330 extern
11331        bool
11332 ExternalInvokeConstructor(JSContext *cx, const Value &fval, uintN argc, Value *argv,
11333                           Value *rval);
11334 extern
11335                          bool
11336 DirectEval(JSContext *cx, JSFunction *evalfun, uint32 argc, Value *vp);
11337 extern
11338                          bool
11339 DirectEval(JSContext *cx, JSFunction *evalfun, uint32 argc, Value *vp);
11340 extern
11341                        bool
11342 Execute(JSContext *cx, JSObject *chain, JSScript *script,
11343         JSStackFrame *prev, uintN flags, Value *result);
11344 extern __attribute__((noinline))
11345                                          bool
11346 Interpret(JSContext *cx, JSStackFrame *stopFp, uintN inlineCallCount = 0, JSInterpMode mode = JSINTERP_NORMAL);
11347 extern
11348                          bool
11349 RunScript(JSContext *cx, JSScript *script, JSStackFrame *fp);
11350 extern
11351        bool
11352 CheckRedeclaration(JSContext *cx, JSObject *obj, jsid id, uintN attrs);
11353 extern
11354        bool
11355 StrictlyEqual(JSContext *cx, const Value &lval, const Value &rval, JSBool *equal);
11356 extern
11357        bool
11358 SameValue(JSContext *cx, const Value &v1, const Value &v2, JSBool *same);
11359 extern JSType
11360 TypeOfValue(JSContext *cx, const Value &v);
11361 inline
11362        bool
11363 InstanceOf(JSContext *cx, JSObject *obj, Class *clasp, Value *argv)
11364 {
11365     if (obj && obj->getClass() == clasp)
11366         return true;
11367     extern bool InstanceOfSlow(JSContext *, JSObject *, Class *, Value *);
11368     return InstanceOfSlow(cx, obj, clasp, argv);
11369 }
11370 extern JSBool
11371 HasInstance(JSContext *cx, JSObject *obj, const js::Value *v, JSBool *bp);
11372 inline void *
11373 GetInstancePrivate(JSContext *cx, JSObject *obj, Class *clasp, Value *argv)
11374 {
11375     if (!InstanceOf(cx, obj, clasp, argv))
11376         return __null;
11377     return obj->getPrivate();
11378 }
11379 extern
11380        bool
11381 ValueToId(JSContext *cx, const Value &v, jsid *idp);
11382 extern const js::Value &
11383 GetUpvar(JSContext *cx, uintN level, js::UpvarCookie cookie);
11384 }
11385 extern JSBool
11386 js_EnterWith(JSContext *cx, jsint stackIndex, JSOp op, size_t oplen);
11387 extern void
11388 js_LeaveWith(JSContext *cx);
11389 extern JSBool
11390 js_DoIncDec(JSContext *cx, const JSCodeSpec *cs, js::Value *vp, js::Value *vp2);
11391 extern void
11392 js_LogOpcode(JSContext *cx);
11393 extern void
11394 js_MeterOpcodePair(JSOp op1, JSOp op2);
11395 extern void
11396 js_MeterSlotOpcode(JSOp op, uint32 slot);
11397 extern JSBool
11398 js_UnwindScope(JSContext *cx, jsint stackDepth, JSBool normalUnwind);
11399 extern JSBool
11400 js_OnUnknownMethod(JSContext *cx, js::Value *vp);
11401 extern js::Class *
11402 js_IsActiveWithOrBlock(JSContext *cx, JSObject *obj, int stackDepth);
11403 namespace js {
11404 typedef double (*UnaryFunType)(double);
11405 class MathCache
11406 {
11407     static const unsigned SizeLog2 = 12;
11408     static const unsigned Size = 1 << SizeLog2;
11409     struct Entry { double in; UnaryFunType f; double out; };
11410     Entry table[Size];
11411   public:
11412     MathCache();
11413     uintN hash(double x) {
11414         union { double d; struct { uint32 one, two; } s; } u = { x };
11415         uint32 hash32 = u.s.one ^ u.s.two;
11416         uint16 hash16 = (uint16)(hash32 ^ (hash32 >> 16));
11417         return (hash16 & (Size - 1)) ^ (hash16 >> (16 - SizeLog2));
11418     }
11419     double lookup(UnaryFunType f, double x) {
11420         uintN index = hash(x);
11421         Entry &e = table[index];
11422         if (e.in == x && e.f == f)
11423             return e.out;
11424         e.in = x;
11425         e.f = f;
11426         return (e.out = f(x));
11427     }
11428 };
11429 }
11430 extern js::Class js_MathClass;
11431 extern JSObject *
11432 js_InitMathClass(JSContext *cx, JSObject *obj);
11433 extern
11434        bool
11435 js_IsMathFunction(JSNative native);
11436 extern void
11437 js_InitRandom(JSContext *cx);
11438 extern JSBool
11439 js_math_abs(JSContext *cx, uintN argc, js::Value *vp);
11440 extern JSBool
11441 js_math_ceil(JSContext *cx, uintN argc, js::Value *vp);
11442 extern JSBool
11443 js_math_floor(JSContext *cx, uintN argc, js::Value *vp);
11444 extern JSBool
11445 js_math_max(JSContext *cx, uintN argc, js::Value *vp);
11446 extern JSBool
11447 js_math_min(JSContext *cx, uintN argc, js::Value *vp);
11448 extern JSBool
11449 js_math_round(JSContext *cx, uintN argc, js::Value *vp);
11450 extern jsdouble
11451 js_math_ceil_impl(jsdouble x);
11452 extern jsdouble
11453 js_math_floor_impl(jsdouble x);
11454 extern jsdouble
11455 js_math_round_impl(jsdouble x);
11456 namespace js {
11457 enum {
11458     PCVCAP_PROTOBITS = 4,
11459     PCVCAP_PROTOSIZE = ((JSUint32)1 << (PCVCAP_PROTOBITS)),
11460     PCVCAP_PROTOMASK = (((JSUint32)1 << (PCVCAP_PROTOBITS)) - 1),
11461     PCVCAP_SCOPEBITS = 4,
11462     PCVCAP_SCOPESIZE = ((JSUint32)1 << (PCVCAP_SCOPEBITS)),
11463     PCVCAP_SCOPEMASK = (((JSUint32)1 << (PCVCAP_SCOPEBITS)) - 1),
11464     PCVCAP_TAGBITS = PCVCAP_PROTOBITS + PCVCAP_SCOPEBITS,
11465     PCVCAP_TAGMASK = (((JSUint32)1 << (PCVCAP_TAGBITS)) - 1)
11466 };
11467 const uint32 SHAPE_OVERFLOW_BIT = ((JSUint32)1 << (32 - PCVCAP_TAGBITS));
11468 class PCVal
11469 {
11470   private:
11471     enum {
11472         OBJECT = 0,
11473         SLOT = 1,
11474         SHAPE = 2,
11475         TAG = 3
11476     };
11477     jsuword v;
11478   public:
11479     bool isNull() const { return v == 0; }
11480     void setNull() { v = 0; }
11481     bool isFunObj() const { return (v & TAG) == OBJECT; }
11482     JSObject &toFunObj() const {
11483         ((void) 0);
11484         return *reinterpret_cast<JSObject *>(v);
11485     }
11486     void setFunObj(JSObject &obj) {
11487         v = reinterpret_cast<jsuword>(&obj);
11488     }
11489     bool isSlot() const { return v & SLOT; }
11490     uint32 toSlot() const { ((void) 0); return uint32(v) >> 1; }
11491     void setSlot(uint32 slot) { v = (jsuword(slot) << 1) | SLOT; }
11492     bool isShape() const { return (v & TAG) == SHAPE; }
11493     const js::Shape *toShape() const {
11494         ((void) 0);
11495         return reinterpret_cast<js::Shape *>(v & ~TAG);
11496     }
11497     void setShape(const js::Shape *shape) {
11498         ((void) 0);
11499         v = reinterpret_cast<jsuword>(shape) | SHAPE;
11500     }
11501 };
11502 struct PropertyCacheEntry
11503 {
11504     jsbytecode *kpc;
11505     jsuword kshape;
11506     jsuword vcap;
11507     PCVal vword;
11508     bool adding() const { return vcapTag() == 0 && kshape != vshape(); }
11509     bool directHit() const { return vcapTag() == 0 && kshape == vshape(); }
11510     jsuword vcapTag() const { return vcap & PCVCAP_TAGMASK; }
11511     uint32 vshape() const { return uint32(vcap >> PCVCAP_TAGBITS); }
11512     jsuword scopeIndex() const { return (vcap >> PCVCAP_PROTOBITS) & PCVCAP_SCOPEMASK; }
11513     jsuword protoIndex() const { return vcap & PCVCAP_PROTOMASK; }
11514     void assign(jsbytecode *kpc, jsuword kshape, jsuword vshape,
11515                 uintN scopeIndex, uintN protoIndex, PCVal vword) {
11516         ((void) 0);
11517         ((void) 0);
11518         ((void) 0);
11519         ((void) 0);
11520         this->kpc = kpc;
11521         this->kshape = kshape;
11522         this->vcap = (vshape << PCVCAP_TAGBITS) | (scopeIndex << PCVCAP_PROTOBITS) | protoIndex;
11523         this->vword = vword;
11524     }
11525 };
11526 class PropertyCache
11527 {
11528   private:
11529     enum {
11530         SIZE_LOG2 = 12,
11531         SIZE = ((JSUint32)1 << (SIZE_LOG2)),
11532         MASK = (((JSUint32)1 << (SIZE_LOG2)) - 1)
11533     };
11534     PropertyCacheEntry table[SIZE];
11535     JSBool empty;
11536     static inline jsuword
11537     hash(jsbytecode *pc, jsuword kshape)
11538     {
11539         return ((((jsuword(pc) >> SIZE_LOG2) ^ jsuword(pc)) + kshape) & MASK);
11540     }
11541     static inline bool matchShape(JSContext *cx, JSObject *obj, uint32 shape);
11542     JSAtom *fullTest(JSContext *cx, jsbytecode *pc, JSObject **objp,
11543                                        JSObject **pobjp, PropertyCacheEntry *entry);
11544     inline void assertEmpty() {}
11545   public:
11546     __attribute__((always_inline)) inline void test(JSContext *cx, jsbytecode *pc,
11547                                                  JSObject *&obj, JSObject *&pobj,
11548                                                  PropertyCacheEntry *&entry, JSAtom *&atom);
11549     __attribute__((always_inline)) inline bool testForSet(JSContext *cx, jsbytecode *pc, JSObject *obj,
11550                                      PropertyCacheEntry **entryp, JSObject **obj2p,
11551                                      JSAtom **atomp);
11552     __attribute__((always_inline)) inline bool testForInit(JSRuntime *rt, jsbytecode *pc, JSObject *obj,
11553                                       const js::Shape **shapep, PropertyCacheEntry **entryp);
11554     PropertyCacheEntry *fill(JSContext *cx, JSObject *obj, uintN scopeIndex,
11555                                                uintN protoIndex, JSObject *pobj,
11556                                                const js::Shape *shape, JSBool adding = false);
11557     void purge(JSContext *cx);
11558     void purgeForScript(JSContext *cx, JSScript *script);
11559 };
11560 }
11561 namespace js {
11562 struct ShapeHasher {
11563     typedef js::Shape *Key;
11564     typedef const js::Shape *Lookup;
11565     static inline HashNumber hash(const Lookup l);
11566     static inline bool match(Key k, Lookup l);
11567 };
11568 typedef HashSet<js::Shape *, ShapeHasher, SystemAllocPolicy> KidsHash;
11569 class KidsPointer {
11570   private:
11571     enum {
11572         SHAPE = 0,
11573         HASH = 1,
11574         TAG = 1
11575     };
11576     jsuword w;
11577   public:
11578     bool isNull() const { return !w; }
11579     void setNull() { w = 0; }
11580     bool isShape() const { return (w & TAG) == SHAPE && !isNull(); }
11581     js::Shape *toShape() const {
11582         ((void) 0);
11583         return reinterpret_cast<js::Shape *>(w & ~jsuword(TAG));
11584     }
11585     void setShape(js::Shape *shape) {
11586         ((void) 0);
11587         ((void) 0);
11588         w = reinterpret_cast<jsuword>(shape) | SHAPE;
11589     }
11590     bool isHash() const { return (w & TAG) == HASH; }
11591     KidsHash *toHash() const {
11592         ((void) 0);
11593         return reinterpret_cast<KidsHash *>(w & ~jsuword(TAG));
11594     }
11595     void setHash(KidsHash *hash) {
11596         ((void) 0);
11597         ((void) 0);
11598         w = reinterpret_cast<jsuword>(hash) | HASH;
11599     }
11600 };
11601 class PropertyTree
11602 {
11603     friend struct ::JSFunction;
11604     JSCompartment *compartment;
11605     JSArenaPool arenaPool;
11606     js::Shape *freeList;
11607     bool insertChild(JSContext *cx, js::Shape *parent, js::Shape *child);
11608     void removeChild(js::Shape *child);
11609     PropertyTree();
11610   public:
11611     enum { MAX_HEIGHT = 128 };
11612     PropertyTree(JSCompartment *comp)
11613         : compartment(comp), freeList(__null)
11614     {
11615         PodZero(&arenaPool);
11616     }
11617     bool init();
11618     void finish();
11619     js::Shape *newShapeUnchecked();
11620     js::Shape *newShape(JSContext *cx);
11621     js::Shape *getChild(JSContext *cx, js::Shape *parent, const js::Shape &child);
11622     void orphanChildren(js::Shape *shape);
11623     void sweepShapes(JSContext *cx);
11624     void unmarkShapes(JSContext *cx);
11625     static void dumpShapes(JSContext *cx);
11626 };
11627 }
11628 extern "C" {
11629 struct timex
11630 {
11631   unsigned int modes;
11632   __syscall_slong_t offset;
11633   __syscall_slong_t freq;
11634   __syscall_slong_t maxerror;
11635   __syscall_slong_t esterror;
11636   int status;
11637   __syscall_slong_t constant;
11638   __syscall_slong_t precision;
11639   __syscall_slong_t tolerance;
11640   struct timeval time;
11641   __syscall_slong_t tick;
11642   __syscall_slong_t ppsfreq;
11643   __syscall_slong_t jitter;
11644   int shift;
11645   __syscall_slong_t stabil;
11646   __syscall_slong_t jitcnt;
11647   __syscall_slong_t calcnt;
11648   __syscall_slong_t errcnt;
11649   __syscall_slong_t stbcnt;
11650   int tai;
11651   int :32; int :32; int :32; int :32;
11652   int :32; int :32; int :32; int :32;
11653   int :32; int :32; int :32;
11654 };
11655 extern "C" {
11656 extern int clock_adjtime (__clockid_t __clock_id, struct timex *__utx) throw ();
11657 }
11658 struct tm
11659 {
11660   int tm_sec;
11661   int tm_min;
11662   int tm_hour;
11663   int tm_mday;
11664   int tm_mon;
11665   int tm_year;
11666   int tm_wday;
11667   int tm_yday;
11668   int tm_isdst;
11669   long int tm_gmtoff;
11670   const char *tm_zone;
11671 };
11672 struct itimerspec
11673   {
11674     struct timespec it_interval;
11675     struct timespec it_value;
11676   };
11677 struct sigevent;
11678 extern clock_t clock (void) throw ();
11679 extern time_t time (time_t *__timer) throw ();
11680 extern double difftime (time_t __time1, time_t __time0)
11681      throw () __attribute__ ((__const__));
11682 extern time_t mktime (struct tm *__tp) throw ();
11683 extern size_t strftime (char *__restrict __s, size_t __maxsize,
11684    const char *__restrict __format,
11685    const struct tm *__restrict __tp) throw ();
11686 extern char *strptime (const char *__restrict __s,
11687          const char *__restrict __fmt, struct tm *__tp)
11688      throw ();
11689 extern size_t strftime_l (char *__restrict __s, size_t __maxsize,
11690      const char *__restrict __format,
11691      const struct tm *__restrict __tp,
11692      __locale_t __loc) throw ();
11693 extern char *strptime_l (const char *__restrict __s,
11694     const char *__restrict __fmt, struct tm *__tp,
11695     __locale_t __loc) throw ();
11696 extern struct tm *gmtime (const time_t *__timer) throw ();
11697 extern struct tm *localtime (const time_t *__timer) throw ();
11698 extern struct tm *gmtime_r (const time_t *__restrict __timer,
11699        struct tm *__restrict __tp) throw ();
11700 extern struct tm *localtime_r (const time_t *__restrict __timer,
11701           struct tm *__restrict __tp) throw ();
11702 extern char *asctime (const struct tm *__tp) throw ();
11703 extern char *ctime (const time_t *__timer) throw ();
11704 extern char *asctime_r (const struct tm *__restrict __tp,
11705    char *__restrict __buf) throw ();
11706 extern char *ctime_r (const time_t *__restrict __timer,
11707         char *__restrict __buf) throw ();
11708 extern char *__tzname[2];
11709 extern int __daylight;
11710 extern long int __timezone;
11711 extern char *tzname[2];
11712 extern void tzset (void) throw ();
11713 extern int daylight;
11714 extern long int timezone;
11715 extern int stime (const time_t *__when) throw ();
11716 extern time_t timegm (struct tm *__tp) throw ();
11717 extern time_t timelocal (struct tm *__tp) throw ();
11718 extern int dysize (int __year) throw () __attribute__ ((__const__));
11719 extern int nanosleep (const struct timespec *__requested_time,
11720         struct timespec *__remaining);
11721 extern int clock_getres (clockid_t __clock_id, struct timespec *__res) throw ();
11722 extern int clock_gettime (clockid_t __clock_id, struct timespec *__tp) throw ();
11723 extern int clock_settime (clockid_t __clock_id, const struct timespec *__tp)
11724      throw ();
11725 extern int clock_nanosleep (clockid_t __clock_id, int __flags,
11726        const struct timespec *__req,
11727        struct timespec *__rem);
11728 extern int clock_getcpuclockid (pid_t __pid, clockid_t *__clock_id) throw ();
11729 extern int timer_create (clockid_t __clock_id,
11730     struct sigevent *__restrict __evp,
11731     timer_t *__restrict __timerid) throw ();
11732 extern int timer_delete (timer_t __timerid) throw ();
11733 extern int timer_settime (timer_t __timerid, int __flags,
11734      const struct itimerspec *__restrict __value,
11735      struct itimerspec *__restrict __ovalue) throw ();
11736 extern int timer_gettime (timer_t __timerid, struct itimerspec *__value)
11737      throw ();
11738 extern int timer_getoverrun (timer_t __timerid) throw ();
11739 extern int timespec_get (struct timespec *__ts, int __base)
11740      throw () __attribute__ ((__nonnull__ (1)));
11741 extern int getdate_err;
11742 extern struct tm *getdate (const char *__string);
11743 extern int getdate_r (const char *__restrict __string,
11744         struct tm *__restrict __resbufp);
11745 }
11746 struct JSContext;
11747 class DSTOffsetCache {
11748   public:
11749     inline DSTOffsetCache();
11750     JSInt64 getDSTOffsetMilliseconds(int64 localTimeMilliseconds, JSContext *cx);
11751     inline void purge();
11752   private:
11753     JSInt64 computeDSTOffsetMilliseconds(int64 localTimeSeconds);
11754     JSInt64 offsetMilliseconds;
11755     JSInt64 rangeStartSeconds, rangeEndSeconds;
11756     JSInt64 oldOffsetMilliseconds;
11757     JSInt64 oldRangeStartSeconds, oldRangeEndSeconds;
11758     static const JSInt64 MAX_UNIX_TIMET = 2145859200;
11759     static const JSInt64 MILLISECONDS_PER_SECOND = 1000;
11760     static const JSInt64 SECONDS_PER_MINUTE = 60;
11761     static const JSInt64 SECONDS_PER_HOUR = 60 * SECONDS_PER_MINUTE;
11762     static const JSInt64 SECONDS_PER_DAY = 24 * SECONDS_PER_HOUR;
11763     static const JSInt64 RANGE_EXPANSION_AMOUNT = 30 * SECONDS_PER_DAY;
11764   private:
11765     void sanityCheck();
11766     void noteOffsetCalculation() {
11767         ((void)0);
11768     }
11769     void noteCacheHit() {
11770         ((void)0);
11771     }
11772     void noteCacheMissIncrease() {
11773         ((void)0);
11774     }
11775     void noteCacheMissDecrease() {
11776         ((void)0);
11777     }
11778     void noteCacheMissIncreasingOffsetChangeUpper() {
11779         ((void)0);
11780     }
11781     void noteCacheMissIncreasingOffsetChangeExpand() {
11782         ((void)0);
11783     }
11784     void noteCacheMissLargeIncrease() {
11785         ((void)0);
11786     }
11787     void noteCacheMissDecreasingOffsetChangeLower() {
11788         ((void)0);
11789     }
11790     void noteCacheMissDecreasingOffsetChangeExpand() {
11791         ((void)0);
11792     }
11793     void noteCacheMissLargeDecrease() {
11794         ((void)0);
11795     }
11796 };
11797 extern "C" {
11798 typedef struct PRMJTime PRMJTime;
11799 struct PRMJTime {
11800     JSInt32 tm_usec;
11801     JSInt8 tm_sec;
11802     JSInt8 tm_min;
11803     JSInt8 tm_hour;
11804     JSInt8 tm_mday;
11805     JSInt8 tm_mon;
11806     JSInt8 tm_wday;
11807     JSInt32 tm_year;
11808     JSInt16 tm_yday;
11809     JSInt8 tm_isdst;
11810 };
11811 extern JSInt64
11812 PRMJ_Now(void);
11813 extern JSInt32
11814 PRMJ_LocalGMTDifference(void);
11815 extern size_t
11816 PRMJ_FormatTime(char *buf, int buflen, const char *fmt, PRMJTime *tm);
11817 }
11818 typedef struct JSGSNCache {
11819     jsbytecode *code;
11820     JSDHashTable table;
11821 } JSGSNCache;
11822 extern void
11823 js_PurgeGSNCache(JSGSNCache *cache);
11824 namespace nanojit {
11825 class Assembler;
11826 class CodeAlloc;
11827 class Fragment;
11828 template<typename K> struct DefaultHash;
11829 template<typename K, typename V, typename H> class HashMap;
11830 template<typename T> class Seq;
11831 }
11832 namespace js {
11833 static const size_t MONITOR_N_GLOBAL_STATES = 4;
11834 static const size_t FRAGMENT_TABLE_SIZE = 512;
11835 static const size_t MAX_NATIVE_STACK_SLOTS = 4096;
11836 static const size_t MAX_CALL_STACK_ENTRIES = 500;
11837 static const size_t MAX_GLOBAL_SLOTS = 4096;
11838 static const size_t GLOBAL_SLOTS_BUFFER_SIZE = MAX_GLOBAL_SLOTS + 1;
11839 static const size_t MAX_SLOW_NATIVE_EXTRA_SLOTS = 16;
11840 class VMAllocator;
11841 class FrameInfoCache;
11842 struct FrameInfo;
11843 struct VMSideExit;
11844 struct TreeFragment;
11845 struct TracerState;
11846 template<typename T> class Queue;
11847 typedef Queue<uint16> SlotList;
11848 class TypeMap;
11849 class LoopProfile;
11850 namespace mjit {
11851 class JaegerCompartment;
11852 }
11853 class ContextAllocPolicy
11854 {
11855     JSContext *cx;
11856   public:
11857     ContextAllocPolicy(JSContext *cx) : cx(cx) {}
11858     JSContext *context() const { return cx; }
11859     void *malloc(size_t bytes);
11860     void free(void *p);
11861     void *realloc(void *p, size_t bytes);
11862     void reportAllocOverflow() const;
11863 };
11864 class StackSegment
11865 {
11866     JSContext *cx;
11867     StackSegment *previousInContext;
11868     StackSegment *previousInMemory;
11869     JSStackFrame *initialFrame;
11870     JSFrameRegs *suspendedRegs;
11871     JSObject *initialVarObj;
11872     bool saved;
11873   public:
11874     StackSegment()
11875       : cx(__null), previousInContext(__null), previousInMemory(__null),
11876         initialFrame(__null), suspendedRegs(((JSFrameRegs *)0x1)),
11877         initialVarObj(__null), saved(false)
11878     {
11879         ((void) 0);
11880     }
11881     Value *valueRangeBegin() const {
11882         return (Value *)(this + 1);
11883     }
11884     bool inContext() const {
11885         ((void) 0);
11886         ((void) 0);
11887         return cx;
11888     }
11889     bool isActive() const {
11890         ((void) 0);
11891         ((void) 0);
11892         return !suspendedRegs;
11893     }
11894     bool isSuspended() const {
11895         ((void) 0);
11896         ((void) 0);
11897         return cx && suspendedRegs;
11898     }
11899     bool isSaved() const {
11900         ((void) 0);
11901         return saved;
11902     }
11903     void joinContext(JSContext *cx, JSStackFrame *f) {
11904         ((void) 0);
11905         this->cx = cx;
11906         initialFrame = f;
11907         suspendedRegs = __null;
11908         ((void) 0);
11909     }
11910     void leaveContext() {
11911         ((void) 0);
11912         this->cx = __null;
11913         initialFrame = __null;
11914         suspendedRegs = ((JSFrameRegs *)0x1);
11915         ((void) 0);
11916     }
11917     JSContext *maybeContext() const {
11918         return cx;
11919     }
11920     void suspend(JSFrameRegs *regs) {
11921         ((void) 0);
11922         ((void) 0);
11923         suspendedRegs = regs;
11924         ((void) 0);
11925     }
11926     void resume() {
11927         ((void) 0);
11928         suspendedRegs = __null;
11929         ((void) 0);
11930     }
11931     void save(JSFrameRegs *regs) {
11932         ((void) 0);
11933         suspend(regs);
11934         saved = true;
11935         ((void) 0);
11936     }
11937     void restore() {
11938         ((void) 0);
11939         saved = false;
11940         resume();
11941         ((void) 0);
11942     }
11943     JSStackFrame *getInitialFrame() const {
11944         ((void) 0);
11945         return initialFrame;
11946     }
11947     inline JSFrameRegs *getCurrentRegs() const;
11948     inline JSStackFrame *getCurrentFrame() const;
11949     JSFrameRegs *getSuspendedRegs() const {
11950         ((void) 0);
11951         return suspendedRegs;
11952     }
11953     JSStackFrame *getSuspendedFrame() const {
11954         return suspendedRegs->fp;
11955     }
11956     void setPreviousInContext(StackSegment *seg) {
11957         previousInContext = seg;
11958     }
11959     StackSegment *getPreviousInContext() const {
11960         return previousInContext;
11961     }
11962     void setPreviousInMemory(StackSegment *seg) {
11963         previousInMemory = seg;
11964     }
11965     StackSegment *getPreviousInMemory() const {
11966         return previousInMemory;
11967     }
11968     void setInitialVarObj(JSObject *obj) {
11969         ((void) 0);
11970         initialVarObj = obj;
11971     }
11972     bool hasInitialVarObj() {
11973         ((void) 0);
11974         return initialVarObj != __null;
11975     }
11976     JSObject &getInitialVarObj() const {
11977         ((void) 0);
11978         return *initialVarObj;
11979     }
11980 };
11981 static const size_t VALUES_PER_STACK_SEGMENT = sizeof(StackSegment) / sizeof(Value);
11982 typedef int js_static_assert63[(sizeof(StackSegment) % sizeof(Value) == 0) ? 1 : -1];
11983 class InvokeArgsGuard : public CallArgs
11984 {
11985     friend class StackSpace;
11986     JSContext *cx;
11987     StackSegment *seg;
11988     Value *prevInvokeArgEnd;
11989   public:
11990     InvokeArgsGuard() : cx(__null), seg(__null) {}
11991     ~InvokeArgsGuard();
11992     bool pushed() const { return cx != __null; }
11993 };
11994 struct InvokeArgsAlreadyOnTheStack : CallArgs
11995 {
11996     InvokeArgsAlreadyOnTheStack(Value *vp, uintN argc) : CallArgs(vp + 2, argc) {}
11997 };
11998 class InvokeFrameGuard
11999 {
12000     friend class StackSpace;
12001     JSContext *cx_;
12002     JSFrameRegs regs_;
12003     JSFrameRegs *prevRegs_;
12004   public:
12005     InvokeFrameGuard() : cx_(__null) {}
12006     ~InvokeFrameGuard() { if (pushed()) pop(); }
12007     bool pushed() const { return cx_ != __null; }
12008     JSContext *pushedFrameContext() const { ((void) 0); return cx_; }
12009     void pop();
12010     JSStackFrame *fp() const { return regs_.fp; }
12011 };
12012 class FrameGuard
12013 {
12014     friend class StackSpace;
12015     JSContext *cx_;
12016     StackSegment *seg_;
12017     Value *vp_;
12018     JSStackFrame *fp_;
12019   public:
12020     FrameGuard() : cx_(__null), vp_(__null), fp_(__null) {}
12021     ~FrameGuard();
12022     bool pushed() const { return cx_ != __null; }
12023     StackSegment *segment() const { return seg_; }
12024     Value *vp() const { return vp_; }
12025     JSStackFrame *fp() const { return fp_; }
12026 };
12027 class ExecuteFrameGuard : public FrameGuard
12028 {
12029     friend class StackSpace;
12030     JSFrameRegs regs_;
12031 };
12032 class DummyFrameGuard : public FrameGuard
12033 {
12034     friend class StackSpace;
12035     JSFrameRegs regs_;
12036 };
12037 class GeneratorFrameGuard : public FrameGuard
12038 {};
12039 class StackSpace
12040 {
12041     Value *base;
12042     Value *end;
12043     StackSegment *currentSegment;
12044     Value *invokeArgEnd;
12045     friend class InvokeArgsGuard;
12046     friend class InvokeFrameGuard;
12047     friend class FrameGuard;
12048     bool pushSegmentForInvoke(JSContext *cx, uintN argc, InvokeArgsGuard *ag);
12049     void popSegmentForInvoke(const InvokeArgsGuard &ag);
12050     bool pushInvokeFrameSlow(JSContext *cx, const InvokeArgsGuard &ag,
12051                              InvokeFrameGuard *fg);
12052     void popInvokeFrameSlow(const CallArgs &args);
12053     bool getSegmentAndFrame(JSContext *cx, uintN vplen, uintN nslots,
12054                             FrameGuard *fg) const;
12055     void pushSegmentAndFrame(JSContext *cx, JSFrameRegs *regs, FrameGuard *fg);
12056     void popSegmentAndFrame(JSContext *cx);
12057     struct EnsureSpaceCheck {
12058         inline bool operator()(const StackSpace &, JSContext *, Value *, uintN);
12059     };
12060     struct LimitCheck {
12061         JSStackFrame *base;
12062         Value **limit;
12063         LimitCheck(JSStackFrame *base, Value **limit) : base(base), limit(limit) {}
12064         inline bool operator()(const StackSpace &, JSContext *, Value *, uintN);
12065     };
12066     template <class Check>
12067     inline JSStackFrame *getCallFrame(JSContext *cx, Value *sp, uintN nactual,
12068                                       JSFunction *fun, JSScript *script,
12069                                       uint32 *pflags, Check check) const;
12070     inline void popInvokeArgs(const InvokeArgsGuard &args);
12071     inline void popInvokeFrame(const InvokeFrameGuard &ag);
12072     inline Value *firstUnused() const;
12073     inline bool isCurrentAndActive(JSContext *cx) const;
12074     friend class AllFramesIter;
12075     StackSegment *getCurrentSegment() const { return currentSegment; }
12076   public:
12077     static const size_t CAPACITY_VALS = 512 * 1024;
12078     static const size_t CAPACITY_BYTES = CAPACITY_VALS * sizeof(Value);
12079     static const size_t COMMIT_VALS = 16 * 1024;
12080     static const size_t COMMIT_BYTES = COMMIT_VALS * sizeof(Value);
12081     static const size_t STACK_QUOTA = (VALUES_PER_STACK_FRAME + 18) *
12082                                          3000;
12083     bool init();
12084     void finish();
12085     inline bool ensureEnoughSpaceToEnterTrace();
12086     static const ptrdiff_t MAX_TRACE_SPACE_VALS =
12087       MAX_NATIVE_STACK_SLOTS + MAX_CALL_STACK_ENTRIES * VALUES_PER_STACK_FRAME +
12088       (VALUES_PER_STACK_SEGMENT + VALUES_PER_STACK_FRAME );
12089     void mark(JSTracer *trc);
12090     bool pushInvokeArgs(JSContext *cx, uintN argc, InvokeArgsGuard *ag);
12091     bool getInvokeFrame(JSContext *cx, const CallArgs &args, JSFunction *fun,
12092                         JSScript *script, uint32 *flags, InvokeFrameGuard *fg) const;
12093     void pushInvokeFrame(JSContext *cx, const CallArgs &args, InvokeFrameGuard *fg);
12094     bool getExecuteFrame(JSContext *cx, JSScript *script, ExecuteFrameGuard *fg) const;
12095     void pushExecuteFrame(JSContext *cx, JSObject *initialVarObj, ExecuteFrameGuard *fg);
12096     inline JSStackFrame *getInlineFrame(JSContext *cx, Value *sp, uintN nactual,
12097                                         JSFunction *fun, JSScript *script,
12098                                         uint32 *flags) const;
12099     inline void pushInlineFrame(JSContext *cx, JSScript *script, JSStackFrame *fp,
12100                                 JSFrameRegs *regs);
12101     inline void popInlineFrame(JSContext *cx, JSStackFrame *prev, js::Value *newsp);
12102     bool getGeneratorFrame(JSContext *cx, uintN vplen, uintN nslots,
12103                            GeneratorFrameGuard *fg);
12104     void pushGeneratorFrame(JSContext *cx, JSFrameRegs *regs, GeneratorFrameGuard *fg);
12105     bool pushDummyFrame(JSContext *cx, JSObject &scopeChain, DummyFrameGuard *fg);
12106     inline JSStackFrame *getInlineFrameWithinLimit(JSContext *cx, Value *sp, uintN nactual,
12107                                                    JSFunction *fun, JSScript *script, uint32 *flags,
12108                                                    JSStackFrame *base, Value **limit) const;
12109     inline Value *getStackLimit(JSContext *cx);
12110     bool bumpCommitAndLimit(JSStackFrame *base, Value *from, uintN nvals, Value **limit) const;
12111     inline bool ensureSpace(JSContext *maybecx, Value *from, ptrdiff_t nvals) const;
12112 };
12113 typedef int js_static_assert64[(StackSpace::CAPACITY_VALS % StackSpace::COMMIT_VALS == 0) ? 1 : -1];
12114 class FrameRegsIter
12115 {
12116     JSContext *cx;
12117     StackSegment *curseg;
12118     JSStackFrame *curfp;
12119     Value *cursp;
12120     jsbytecode *curpc;
12121     void initSlow();
12122     void incSlow(JSStackFrame *fp, JSStackFrame *prev);
12123   public:
12124     inline FrameRegsIter(JSContext *cx);
12125     bool done() const { return curfp == __null; }
12126     inline FrameRegsIter &operator++();
12127     JSStackFrame *fp() const { return curfp; }
12128     Value *sp() const { return cursp; }
12129     jsbytecode *pc() const { return curpc; }
12130 };
12131 class AllFramesIter
12132 {
12133 public:
12134     AllFramesIter(JSContext *cx);
12135     bool done() const { return curfp == __null; }
12136     AllFramesIter& operator++();
12137     JSStackFrame *fp() const { return curfp; }
12138 private:
12139     StackSegment *curcs;
12140     JSStackFrame *curfp;
12141 };
12142 }
12143 struct JSPendingProxyOperation {
12144     JSPendingProxyOperation *next;
12145     JSObject *object;
12146 };
12147 struct JSThreadData {
12148     unsigned requestDepth;
12149     volatile int32 interruptFlags;
12150     js::StackSpace stackSpace;
12151     bool waiveGCQuota;
12152     JSGSNCache gsnCache;
12153     js::PropertyCache propertyCache;
12154     DtoaState *dtoaState;
12155     jsuword *nativeStackBase;
12156     JSPendingProxyOperation *pendingProxyOperation;
12157     js::ConservativeGCThreadData conservativeGC;
12158     bool init();
12159     void finish();
12160     void mark(JSTracer *trc);
12161     void purge(JSContext *cx);
12162     inline void triggerOperationCallback(JSRuntime *rt);
12163 };
12164 struct JSThread {
12165     typedef js::HashMap<void *,
12166                         JSThread *,
12167                         js::DefaultHasher<void *>,
12168                         js::SystemAllocPolicy> Map;
12169     JSCList contextList;
12170     void *id;
12171     unsigned suspendCount;
12172     JSThreadData data;
12173 };
12174 extern JSThread *
12175 js_CurrentThread(JSRuntime *rt);
12176 extern JSBool
12177 js_InitContextThread(JSContext *cx);
12178 extern void
12179 js_ClearContextThread(JSContext *cx);
12180 typedef enum JSDestroyContextMode {
12181     JSDCM_NO_GC,
12182     JSDCM_MAYBE_GC,
12183     JSDCM_FORCE_GC,
12184     JSDCM_NEW_FAILED
12185 } JSDestroyContextMode;
12186 typedef enum JSRuntimeState {
12187     JSRTS_DOWN,
12188     JSRTS_LAUNCHING,
12189     JSRTS_UP,
12190     JSRTS_LANDING
12191 } JSRuntimeState;
12192 typedef struct JSPropertyTreeEntry {
12193     JSDHashEntryHdr hdr;
12194     js::Shape *child;
12195 } JSPropertyTreeEntry;
12196 typedef void
12197 (* JSActivityCallback)(void *arg, JSBool active);
12198 namespace js {
12199 typedef js::Vector<JSCompartment *, 0, js::SystemAllocPolicy> WrapperVector;
12200 }
12201 struct JSRuntime {
12202     JSCompartment *atomsCompartment;
12203     bool atomsCompartmentIsLocked;
12204     js::WrapperVector compartments;
12205     JSRuntimeState state;
12206     JSContextCallback cxCallback;
12207     JSCompartmentCallback compartmentCallback;
12208     void setActivityCallback(JSActivityCallback cb, void *arg) {
12209         activityCallback = cb;
12210         activityCallbackArg = arg;
12211     }
12212     JSActivityCallback activityCallback;
12213     void *activityCallbackArg;
12214     uint32 protoHazardShape;
12215     js::GCChunkSet gcChunkSet;
12216     js::RootedValueMap gcRootsHash;
12217     js::GCLocks gcLocksHash;
12218     jsrefcount gcKeepAtoms;
12219     size_t gcBytes;
12220     size_t gcTriggerBytes;
12221     size_t gcLastBytes;
12222     size_t gcMaxBytes;
12223     size_t gcMaxMallocBytes;
12224     size_t gcChunksWaitingToExpire;
12225     uint32 gcEmptyArenaPoolLifespan;
12226     uint32 gcNumber;
12227     js::GCMarker *gcMarkingTracer;
12228     uint32 gcTriggerFactor;
12229     int64 gcJitReleaseTime;
12230     JSGCMode gcMode;
12231     volatile bool gcIsNeeded;
12232     JSCompartment *gcTriggerCompartment;
12233     JSCompartment *gcCurrentCompartment;
12234     bool gcPoke;
12235     bool gcMarkAndSweep;
12236     bool gcRunning;
12237     bool gcRegenShapes;
12238     JSGCCallback gcCallback;
12239   private:
12240     volatile ptrdiff_t gcMallocBytes;
12241   public:
12242     js::GCChunkAllocator *gcChunkAllocator;
12243     void setCustomGCChunkAllocator(js::GCChunkAllocator *allocator) {
12244         ((void) 0);
12245         ((void) 0);
12246         gcChunkAllocator = allocator;
12247     }
12248     JSTraceDataOp gcExtraRootsTraceOp;
12249     void *gcExtraRootsData;
12250     js::Value NaNValue;
12251     js::Value negativeInfinityValue;
12252     js::Value positiveInfinityValue;
12253     JSFlatString *emptyString;
12254     JSCList contextList;
12255     JSDebugHooks globalDebugHooks;
12256     JSBool debugMode;
12257     JSCList trapList;
12258     JSCList watchPointList;
12259     void *data;
12260     PRLock *gcLock;
12261     PRCondVar *gcDone;
12262     PRCondVar *requestDone;
12263     uint32 requestCount;
12264     JSThread *gcThread;
12265     js::GCHelperThread gcHelperThread;
12266     PRLock *rtLock;
12267     PRCondVar *stateChange;
12268     PRLock *debuggerLock;
12269     JSThread::Map threads;
12270     uint32 debuggerMutations;
12271     JSSecurityCallbacks *securityCallbacks;
12272     const JSStructuredCloneCallbacks *structuredCloneCallbacks;
12273     int32 propertyRemovals;
12274     struct JSHashTable *scriptFilenameTable;
12275     JSCList scriptFilenamePrefixes;
12276     PRLock *scriptFilenameTableLock;
12277     const char *thousandsSeparator;
12278     const char *decimalSeparator;
12279     const char *numGrouping;
12280     JSObject *anynameObject;
12281     JSObject *functionNamespaceObject;
12282     volatile int32 interruptCounter;
12283     volatile uint32 shapeGen;
12284     JSAtomState atomState;
12285     JSWrapObjectCallback wrapObjectCallback;
12286     JSPreWrapCallback preWrapObjectCallback;
12287     uint32 stringMemoryUsed;
12288     JSRuntime();
12289     ~JSRuntime();
12290     bool init(uint32 maxbytes);
12291     void setGCTriggerFactor(uint32 factor);
12292     void setGCLastBytes(size_t lastBytes);
12293     void* malloc(size_t bytes, JSContext *cx = __null) {
12294         updateMallocCounter(bytes);
12295         void *p = ::js_malloc(bytes);
12296         return (__builtin_expect((!!p), 1)) ? p : onOutOfMemory(__null, bytes, cx);
12297     }
12298     void* calloc(size_t bytes, JSContext *cx = __null) {
12299         updateMallocCounter(bytes);
12300         void *p = ::js_calloc(bytes);
12301         return (__builtin_expect((!!p), 1)) ? p : onOutOfMemory(reinterpret_cast<void *>(1), bytes, cx);
12302     }
12303     void* realloc(void* p, size_t oldBytes, size_t newBytes, JSContext *cx = __null) {
12304         ((void) 0);
12305         updateMallocCounter(newBytes - oldBytes);
12306         void *p2 = ::js_realloc(p, newBytes);
12307         return (__builtin_expect((!!p2), 1)) ? p2 : onOutOfMemory(p, newBytes, cx);
12308     }
12309     void* realloc(void* p, size_t bytes, JSContext *cx = __null) {
12310         if (!p)
12311             updateMallocCounter(bytes);
12312         void *p2 = ::js_realloc(p, bytes);
12313         return (__builtin_expect((!!p2), 1)) ? p2 : onOutOfMemory(p, bytes, cx);
12314     }
12315     void free(void* p) { ::js_free(p); }
12316     bool isGCMallocLimitReached() const { return gcMallocBytes <= 0; }
12317     void resetGCMallocBytes() { gcMallocBytes = ptrdiff_t(gcMaxMallocBytes); }
12318     void setGCMaxMallocBytes(size_t value) {
12319         gcMaxMallocBytes = (ptrdiff_t(value) >= 0) ? value : size_t(-1) >> 1;
12320         resetGCMallocBytes();
12321     }
12322     void updateMallocCounter(size_t nbytes) {
12323         ptrdiff_t newCount = gcMallocBytes - ptrdiff_t(nbytes);
12324         gcMallocBytes = newCount;
12325         if ((__builtin_expect((newCount <= 0), 0)))
12326             onTooMuchMalloc();
12327     }
12328   private:
12329     __attribute__((visibility ("default"))) void onTooMuchMalloc();
12330     __attribute__((visibility ("default"))) void * onOutOfMemory(void *p, size_t nbytes, JSContext *cx);
12331 };
12332 struct JSArgumentFormatMap {
12333     const char *format;
12334     size_t length;
12335     JSArgumentFormatter formatter;
12336     JSArgumentFormatMap *next;
12337 };
12338 typedef struct JSResolvingKey {
12339     JSObject *obj;
12340     jsid id;
12341 } JSResolvingKey;
12342 typedef struct JSResolvingEntry {
12343     JSDHashEntryHdr hdr;
12344     JSResolvingKey key;
12345     uint32 flags;
12346 } JSResolvingEntry;
12347 extern const JSDebugHooks js_NullDebugHooks;
12348 namespace js {
12349 class AutoGCRooter;
12350 static inline
12351               bool
12352 OptionsHasXML(uint32 options)
12353 {
12354     return !!(options & ((JSUint32)1 << (6)));
12355 }
12356 static inline
12357               bool
12358 OptionsHasAnonFunFix(uint32 options)
12359 {
12360     return !!(options & ((JSUint32)1 << (10)));
12361 }
12362 static inline
12363               bool
12364 OptionsSameVersionFlags(uint32 self, uint32 other)
12365 {
12366     static const uint32 mask = ((JSUint32)1 << (6)) | ((JSUint32)1 << (10));
12367     return !((self & mask) ^ (other & mask));
12368 }
12369 namespace VersionFlags {
12370 static const uintN MASK = 0x0FFF;
12371 static const uintN HAS_XML = 0x1000;
12372 static const uintN ANONFUNFIX = 0x2000;
12373 static const uintN FULL_MASK = 0x3FFF;
12374 }
12375 static inline JSVersion
12376 VersionNumber(JSVersion version)
12377 {
12378     return JSVersion(uint32(version) & VersionFlags::MASK);
12379 }
12380 static inline
12381               bool
12382 VersionHasXML(JSVersion version)
12383 {
12384     return !!(version & VersionFlags::HAS_XML);
12385 }
12386 static inline
12387               bool
12388 VersionShouldParseXML(JSVersion version)
12389 {
12390     return VersionHasXML(version) || VersionNumber(version) >= JSVERSION_1_6;
12391 }
12392 static inline
12393               bool
12394 VersionHasAnonFunFix(JSVersion version)
12395 {
12396     return !!(version & VersionFlags::ANONFUNFIX);
12397 }
12398 static inline void
12399 VersionSetXML(JSVersion *version, bool enable)
12400 {
12401     if (enable)
12402         *version = JSVersion(uint32(*version) | VersionFlags::HAS_XML);
12403     else
12404         *version = JSVersion(uint32(*version) & ~VersionFlags::HAS_XML);
12405 }
12406 static inline void
12407 VersionSetAnonFunFix(JSVersion *version, bool enable)
12408 {
12409     if (enable)
12410         *version = JSVersion(uint32(*version) | VersionFlags::ANONFUNFIX);
12411     else
12412         *version = JSVersion(uint32(*version) & ~VersionFlags::ANONFUNFIX);
12413 }
12414 static inline JSVersion
12415 VersionExtractFlags(JSVersion version)
12416 {
12417     return JSVersion(uint32(version) & ~VersionFlags::MASK);
12418 }
12419 static inline void
12420 VersionCopyFlags(JSVersion *version, JSVersion from)
12421 {
12422     *version = JSVersion(VersionNumber(*version) | VersionExtractFlags(from));
12423 }
12424 static inline
12425               bool
12426 VersionHasFlags(JSVersion version)
12427 {
12428     return !!VersionExtractFlags(version);
12429 }
12430 static inline uintN
12431 VersionFlagsToOptions(JSVersion version)
12432 {
12433     uintN copts = (VersionHasXML(version) ? ((JSUint32)1 << (6)) : 0) |
12434                   (VersionHasAnonFunFix(version) ? ((JSUint32)1 << (10)) : 0);
12435     ((void) 0);
12436     return copts;
12437 }
12438 static inline JSVersion
12439 OptionFlagsToVersion(uintN options, JSVersion version)
12440 {
12441     VersionSetXML(&version, OptionsHasXML(options));
12442     VersionSetAnonFunFix(&version, OptionsHasAnonFunFix(options));
12443     return version;
12444 }
12445 static inline
12446               bool
12447 VersionIsKnown(JSVersion version)
12448 {
12449     return VersionNumber(version) != JSVERSION_UNKNOWN;
12450 }
12451 typedef js::HashSet<JSObject *,
12452                     js::DefaultHasher<JSObject *>,
12453                     js::SystemAllocPolicy> BusyArraysMap;
12454 }
12455 struct JSContext
12456 {
12457     explicit JSContext(JSRuntime *rt);
12458     JSCList link;
12459   private:
12460     JSVersion defaultVersion;
12461     JSVersion versionOverride;
12462     bool hasVersionOverride;
12463     JSBool throwing;
12464     js::Value exception;
12465     uintN runOptions;
12466   public:
12467     JSLocaleCallbacks *localeCallbacks;
12468     JSDHashTable *resolvingTable;
12469     JSPackedBool generatingError;
12470     jsuword stackLimit;
12471     size_t scriptStackQuota;
12472     JSRuntime *const runtime;
12473     JSCompartment *compartment;
12474
12475     JSFrameRegs *regs;
12476     JSStackFrame* fp() {
12477         ((void) 0);
12478         return regs->fp;
12479     }
12480     JSStackFrame* maybefp() {
12481         ((void) 0);
12482         return regs ? regs->fp : __null;
12483     }
12484     bool hasfp() {
12485         ((void) 0);
12486         return !!regs;
12487     }
12488   public:
12489     friend class js::StackSpace;
12490     friend bool js::Interpret(JSContext *, JSStackFrame *, uintN, JSInterpMode);
12491     void resetCompartment();
12492     void wrapPendingException();
12493     void setCurrentRegs(JSFrameRegs *regs) {
12494         ((void) 0);
12495         this->regs = regs;
12496     }
12497     JSArenaPool tempPool;
12498     JSArenaPool regExpPool;
12499     JSObject *globalObject;
12500     JSSharpObjectMap sharpObjectMap;
12501     js::BusyArraysMap busyArrays;
12502     JSArgumentFormatMap *argumentFormatMap;
12503     char *lastMessage;
12504     JSErrorReporter errorReporter;
12505     JSOperationCallback operationCallback;
12506     uintN interpLevel;
12507     void *data;
12508     void *data2;
12509   private:
12510     js::StackSegment *currentSegment;
12511   public:
12512     void assertSegmentsInSync() const {
12513     }
12514     bool hasActiveSegment() const {
12515         assertSegmentsInSync();
12516         return !!regs;
12517     }
12518     js::StackSegment *activeSegment() const {
12519         ((void) 0);
12520         return currentSegment;
12521     }
12522     js::StackSegment *getCurrentSegment() const {
12523         assertSegmentsInSync();
12524         return currentSegment;
12525     }
12526     inline js::RegExpStatics *regExpStatics();
12527     void pushSegmentAndFrame(js::StackSegment *newseg, JSFrameRegs &regs);
12528     void popSegmentAndFrame();
12529     void saveActiveSegment();
12530     void restoreSegment();
12531     inline JSStackFrame *computeNextFrame(JSStackFrame *fp);
12532     js::StackSegment *containingSegment(const JSStackFrame *target);
12533     JSStackFrame *findFrameAtLevel(uintN targetLevel) const {
12534         JSStackFrame *fp = regs->fp;
12535         while (true) {
12536             ((void) 0);
12537             if (fp->script()->staticLevel == targetLevel)
12538                 break;
12539             fp = fp->prev();
12540         }
12541         return fp;
12542     }
12543   public:
12544     bool canSetDefaultVersion() const {
12545         return !regs && !hasVersionOverride;
12546     }
12547     void overrideVersion(JSVersion newVersion) {
12548         ((void) 0);
12549         versionOverride = newVersion;
12550         hasVersionOverride = true;
12551     }
12552     void setDefaultVersion(JSVersion version) {
12553         defaultVersion = version;
12554     }
12555     void clearVersionOverride() { hasVersionOverride = false; }
12556     JSVersion getDefaultVersion() const { return defaultVersion; }
12557     bool isVersionOverridden() const { return hasVersionOverride; }
12558     JSVersion getVersionOverride() const {
12559         ((void) 0);
12560         return versionOverride;
12561     }
12562     bool maybeOverrideVersion(JSVersion newVersion) {
12563         if (canSetDefaultVersion()) {
12564             setDefaultVersion(newVersion);
12565             return false;
12566         }
12567         overrideVersion(newVersion);
12568         return true;
12569     }
12570   private:
12571     void maybeMigrateVersionOverride() {
12572         if ((__builtin_expect((!isVersionOverridden() || currentSegment), 1)))
12573             return;
12574         defaultVersion = versionOverride;
12575         clearVersionOverride();
12576     }
12577   public:
12578     JSVersion findVersion() const {
12579         if (hasVersionOverride)
12580             return versionOverride;
12581         if (regs) {
12582             JSStackFrame *fp = regs->fp;
12583             while (fp && !fp->isScriptFrame())
12584                 fp = fp->prev();
12585             if (fp)
12586                 return fp->script()->getVersion();
12587         }
12588         return defaultVersion;
12589     }
12590     void setRunOptions(uintN ropts) {
12591         ((void) 0);
12592         runOptions = ropts;
12593     }
12594     void setCompileOptions(uintN newcopts) {
12595         ((void) 0);
12596         if ((__builtin_expect((getCompileOptions() == newcopts), 1)))
12597             return;
12598         JSVersion version = findVersion();
12599         JSVersion newVersion = js::OptionFlagsToVersion(newcopts, version);
12600         maybeOverrideVersion(newVersion);
12601     }
12602     uintN getRunOptions() const { return runOptions; }
12603     uintN getCompileOptions() const { return js::VersionFlagsToOptions(findVersion()); }
12604     uintN allOptions() const { return getRunOptions() | getCompileOptions(); }
12605     bool hasRunOption(uintN ropt) const {
12606         ((void) 0);
12607         return !!(runOptions & ropt);
12608     }
12609     bool hasStrictOption() const { return hasRunOption(((JSUint32)1 << (0))); }
12610     bool hasWErrorOption() const { return hasRunOption(((JSUint32)1 << (1))); }
12611     bool hasAtLineOption() const { return hasRunOption(((JSUint32)1 << (5))); }
12612     JSThread *thread;
12613     unsigned outstandingRequests;
12614     JSCList threadLinks;
12615     js::AutoGCRooter *autoGCRooters;
12616     const JSDebugHooks *debugHooks;
12617     JSSecurityCallbacks *securityCallbacks;
12618     uintN resolveFlags;
12619     int64 rngSeed;
12620     js::Value iterValue;
12621     void updateJITEnabled();
12622     DSTOffsetCache dstOffsetCache;
12623     JSObject *enumerators;
12624   private:
12625     js::Vector<JSGenerator *, 2, js::SystemAllocPolicy> genStack;
12626   public:
12627     JSGenerator *generatorFor(JSStackFrame *fp) const;
12628     inline bool ensureGeneratorStackSpace();
12629     bool enterGenerator(JSGenerator *gen) {
12630         return genStack.append(gen);
12631     }
12632     void leaveGenerator(JSGenerator *gen) {
12633         ((void) 0);
12634         genStack.popBack();
12635     }
12636     js::GCHelperThread *gcBackgroundFree;
12637     inline void* malloc(size_t bytes) {
12638         return runtime->malloc(bytes, this);
12639     }
12640     inline void* mallocNoReport(size_t bytes) {
12641         ((void) 0);
12642         return runtime->malloc(bytes, __null);
12643     }
12644     inline void* calloc(size_t bytes) {
12645         ((void) 0);
12646         return runtime->calloc(bytes, this);
12647     }
12648     inline void* realloc(void* p, size_t bytes) {
12649         return runtime->realloc(p, bytes, this);
12650     }
12651     inline void* realloc(void* p, size_t oldBytes, size_t newBytes) {
12652         return runtime->realloc(p, oldBytes, newBytes, this);
12653     }
12654     inline void free(void* p) {
12655         if (gcBackgroundFree) {
12656             gcBackgroundFree->freeLater(p);
12657             return;
12658         }
12659         runtime->free(p);
12660     }
12661     template <class T>
12662     __attribute__((always_inline)) inline T *create() {
12663         void *memory = this->malloc(sizeof(T)); if (!memory) return __null; return new(memory) T ();
12664     }
12665     template <class T, class P1>
12666     __attribute__((always_inline)) inline T *create(const P1 &p1) {
12667         void *memory = this->malloc(sizeof(T)); if (!memory) return __null; return new(memory) T (p1);
12668     }
12669     template <class T, class P1, class P2>
12670     __attribute__((always_inline)) inline T *create(const P1 &p1, const P2 &p2) {
12671         void *memory = this->malloc(sizeof(T)); if (!memory) return __null; return new(memory) T (p1, p2);
12672     }
12673     template <class T, class P1, class P2, class P3>
12674     __attribute__((always_inline)) inline T *create(const P1 &p1, const P2 &p2, const P3 &p3) {
12675         void *memory = this->malloc(sizeof(T)); if (!memory) return __null; return new(memory) T (p1, p2, p3);
12676     }
12677     template <class T>
12678     __attribute__((always_inline)) inline void destroy(T *p) {
12679         p->~T();
12680         this->free(p);
12681     }
12682     void purge();
12683     js::StackSpace &stack() const {
12684         return (&(this)->thread->data)->stackSpace;
12685     }
12686     void assertValidStackDepth(uintN ) {}
12687     bool isExceptionPending() {
12688         return throwing;
12689     }
12690     js::Value getPendingException() {
12691         ((void) 0);
12692         return exception;
12693     }
12694     void setPendingException(js::Value v);
12695     void clearPendingException() {
12696         this->throwing = false;
12697         this->exception.setUndefined();
12698     }
12699   private:
12700     __attribute__((visibility ("default"))) void checkMallocGCPressure(void *p);
12701 };
12702 static inline uintN
12703 FramePCOffset(JSContext *cx, JSStackFrame* fp)
12704 {
12705     jsbytecode *pc = fp->hasImacropc() ? fp->imacropc() : fp->pc(cx);
12706     return uintN(pc - fp->script()->code);
12707 }
12708 static inline JSAtom **
12709 FrameAtomBase(JSContext *cx, JSStackFrame *fp)
12710 {
12711     return fp->hasImacropc()
12712            ? ((JSAtom **)((uint8 *)(&cx->runtime->atomState) + __builtin_offsetof (JSAtomState, emptyAtom)))
12713            : fp->script()->atomMap.vector;
12714 }
12715 namespace js {
12716 class AutoGCRooter {
12717   public:
12718     AutoGCRooter(JSContext *cx, ptrdiff_t tag)
12719       : down(cx->autoGCRooters), tag(tag), context(cx)
12720     {
12721         ((void) 0);
12722         ((void) 0);
12723         cx->autoGCRooters = this;
12724     }
12725     ~AutoGCRooter() {
12726         ((void) 0);
12727         ((void) 0);
12728         context->autoGCRooters = down;
12729     }
12730     inline void trace(JSTracer *trc);
12731     friend __attribute__((visibility ("default"))) void MarkContext(JSTracer *trc, JSContext *acx);
12732     friend void MarkRuntime(JSTracer *trc);
12733   protected:
12734     AutoGCRooter * const down;
12735     ptrdiff_t tag;
12736     JSContext * const context;
12737     enum {
12738         JSVAL = -1,
12739         SHAPE = -2,
12740         PARSER = -3,
12741         SCRIPT = -4,
12742         ENUMERATOR = -5,
12743         IDARRAY = -6,
12744         DESCRIPTORS = -7,
12745         NAMESPACES = -8,
12746         XML = -9,
12747         OBJECT = -10,
12748         ID = -11,
12749         VALVECTOR = -12,
12750         DESCRIPTOR = -13,
12751         STRING = -14,
12752         IDVECTOR = -15,
12753         BINDINGS = -16,
12754         SHAPEVECTOR = -17
12755     };
12756     private:
12757     AutoGCRooter(AutoGCRooter &ida);
12758     void operator=(AutoGCRooter &ida);
12759 };
12760 class AutoValueRooter : private AutoGCRooter
12761 {
12762   public:
12763     explicit AutoValueRooter(JSContext *cx
12764                              )
12765       : AutoGCRooter(cx, JSVAL), val(js::NullValue())
12766     {
12767         do { } while (0);
12768     }
12769     AutoValueRooter(JSContext *cx, const Value &v
12770                     )
12771       : AutoGCRooter(cx, JSVAL), val(v)
12772     {
12773         do { } while (0);
12774     }
12775     AutoValueRooter(JSContext *cx, jsval v
12776                     )
12777       : AutoGCRooter(cx, JSVAL), val(js::Valueify(v))
12778     {
12779         do { } while (0);
12780     }
12781     void set(Value v) {
12782         ((void) 0);
12783         val = v;
12784     }
12785     void set(jsval v) {
12786         ((void) 0);
12787         val = js::Valueify(v);
12788     }
12789     const Value &value() const {
12790         ((void) 0);
12791         return val;
12792     }
12793     Value *addr() {
12794         ((void) 0);
12795         return &val;
12796     }
12797     const jsval &jsval_value() const {
12798         ((void) 0);
12799         return Jsvalify(val);
12800     }
12801     jsval *jsval_addr() {
12802         ((void) 0);
12803         return Jsvalify(&val);
12804     }
12805     friend void AutoGCRooter::trace(JSTracer *trc);
12806     friend void MarkRuntime(JSTracer *trc);
12807   private:
12808     Value val;
12809
12810 };
12811 class AutoObjectRooter : private AutoGCRooter {
12812   public:
12813     AutoObjectRooter(JSContext *cx, JSObject *obj = __null
12814                      )
12815       : AutoGCRooter(cx, OBJECT), obj(obj)
12816     {
12817         do { } while (0);
12818     }
12819     void setObject(JSObject *obj) {
12820         this->obj = obj;
12821     }
12822     JSObject * object() const {
12823         return obj;
12824     }
12825     JSObject ** addr() {
12826         return &obj;
12827     }
12828     friend void AutoGCRooter::trace(JSTracer *trc);
12829     friend void MarkRuntime(JSTracer *trc);
12830   private:
12831     JSObject *obj;
12832
12833 };
12834 class AutoStringRooter : private AutoGCRooter {
12835   public:
12836     AutoStringRooter(JSContext *cx, JSString *str = __null
12837                      )
12838       : AutoGCRooter(cx, STRING), str(str)
12839     {
12840         do { } while (0);
12841     }
12842     void setString(JSString *str) {
12843         this->str = str;
12844     }
12845     JSString * string() const {
12846         return str;
12847     }
12848     JSString ** addr() {
12849         return &str;
12850     }
12851     friend void AutoGCRooter::trace(JSTracer *trc);
12852   private:
12853     JSString *str;
12854
12855 };
12856 class AutoArrayRooter : private AutoGCRooter {
12857   public:
12858     AutoArrayRooter(JSContext *cx, size_t len, Value *vec
12859                     )
12860       : AutoGCRooter(cx, len), array(vec)
12861     {
12862         do { } while (0);
12863         ((void) 0);
12864     }
12865     AutoArrayRooter(JSContext *cx, size_t len, jsval *vec
12866                     )
12867       : AutoGCRooter(cx, len), array(Valueify(vec))
12868     {
12869         do { } while (0);
12870         ((void) 0);
12871     }
12872     void changeLength(size_t newLength) {
12873         tag = ptrdiff_t(newLength);
12874         ((void) 0);
12875     }
12876     void changeArray(Value *newArray, size_t newLength) {
12877         changeLength(newLength);
12878         array = newArray;
12879     }
12880     Value *array;
12881     friend void AutoGCRooter::trace(JSTracer *trc);
12882   private:
12883
12884 };
12885 class AutoShapeRooter : private AutoGCRooter {
12886   public:
12887     AutoShapeRooter(JSContext *cx, const js::Shape *shape
12888                     )
12889       : AutoGCRooter(cx, SHAPE), shape(shape)
12890     {
12891         do { } while (0);
12892     }
12893     friend void AutoGCRooter::trace(JSTracer *trc);
12894     friend void MarkRuntime(JSTracer *trc);
12895   private:
12896     const js::Shape * const shape;
12897
12898 };
12899 class AutoScriptRooter : private AutoGCRooter {
12900   public:
12901     AutoScriptRooter(JSContext *cx, JSScript *script
12902                      )
12903       : AutoGCRooter(cx, SCRIPT), script(script)
12904     {
12905         do { } while (0);
12906     }
12907     void setScript(JSScript *script) {
12908         this->script = script;
12909     }
12910     friend void AutoGCRooter::trace(JSTracer *trc);
12911   private:
12912     JSScript *script;
12913
12914 };
12915 class AutoIdRooter : private AutoGCRooter
12916 {
12917   public:
12918     explicit AutoIdRooter(JSContext *cx, jsid id = INT_TO_JSID(0)
12919                           )
12920       : AutoGCRooter(cx, ID), id_(id)
12921     {
12922         do { } while (0);
12923     }
12924     jsid id() {
12925         return id_;
12926     }
12927     jsid * addr() {
12928         return &id_;
12929     }
12930     friend void AutoGCRooter::trace(JSTracer *trc);
12931     friend void MarkRuntime(JSTracer *trc);
12932   private:
12933     jsid id_;
12934
12935 };
12936 class AutoIdArray : private AutoGCRooter {
12937   public:
12938     AutoIdArray(JSContext *cx, JSIdArray *ida )
12939       : AutoGCRooter(cx, IDARRAY), idArray(ida)
12940     {
12941         do { } while (0);
12942     }
12943     ~AutoIdArray() {
12944         if (idArray)
12945             JS_DestroyIdArray(context, idArray);
12946     }
12947     bool operator!() {
12948         return idArray == __null;
12949     }
12950     jsid operator[](size_t i) const {
12951         ((void) 0);
12952         ((void) 0);
12953         return idArray->vector[i];
12954     }
12955     size_t length() const {
12956          return idArray->length;
12957     }
12958     friend void AutoGCRooter::trace(JSTracer *trc);
12959     JSIdArray *steal() {
12960         JSIdArray *copy = idArray;
12961         idArray = __null;
12962         return copy;
12963     }
12964   protected:
12965     inline void trace(JSTracer *trc);
12966   private:
12967     JSIdArray * idArray;
12968
12969     AutoIdArray(AutoIdArray &ida);
12970     void operator=(AutoIdArray &ida);
12971 };
12972 class AutoEnumStateRooter : private AutoGCRooter
12973 {
12974   public:
12975     AutoEnumStateRooter(JSContext *cx, JSObject *obj
12976                         )
12977       : AutoGCRooter(cx, ENUMERATOR), obj(obj), stateValue()
12978     {
12979         do { } while (0);
12980         ((void) 0);
12981     }
12982     ~AutoEnumStateRooter() {
12983         if (!stateValue.isNull()) {
12984             obj->enumerate(context, JSENUMERATE_DESTROY, &stateValue, 0);
12985             ((void) 0);
12986         }
12987     }
12988     friend void AutoGCRooter::trace(JSTracer *trc);
12989     const Value &state() const { return stateValue; }
12990     Value *addr() { return &stateValue; }
12991   protected:
12992     void trace(JSTracer *trc);
12993     JSObject * const obj;
12994   private:
12995     Value stateValue;
12996
12997 };
12998 class AutoXMLRooter : private AutoGCRooter {
12999   public:
13000     AutoXMLRooter(JSContext *cx, JSXML *xml
13001                   )
13002       : AutoGCRooter(cx, XML), xml(xml)
13003     {
13004         do { } while (0);
13005         ((void) 0);
13006     }
13007     friend void AutoGCRooter::trace(JSTracer *trc);
13008     friend void MarkRuntime(JSTracer *trc);
13009   private:
13010     JSXML * const xml;
13011
13012 };
13013 class AutoBindingsRooter : private AutoGCRooter {
13014   public:
13015     AutoBindingsRooter(JSContext *cx, Bindings &bindings
13016                        )
13017       : AutoGCRooter(cx, BINDINGS), bindings(bindings)
13018     {
13019         do { } while (0);
13020     }
13021     friend void AutoGCRooter::trace(JSTracer *trc);
13022   private:
13023     Bindings &bindings;
13024
13025 };
13026 class AutoLockGC {
13027   public:
13028     explicit AutoLockGC(JSRuntime *rt
13029                         )
13030       : rt(rt)
13031     {
13032         do { } while (0);
13033         PR_Lock((rt)->gcLock);
13034     }
13035     ~AutoLockGC() { PR_Unlock((rt)->gcLock); }
13036   private:
13037     JSRuntime *rt;
13038
13039 };
13040 class AutoUnlockGC {
13041   private:
13042     JSRuntime *rt;
13043
13044   public:
13045     explicit AutoUnlockGC(JSRuntime *rt
13046                           )
13047       : rt(rt)
13048     {
13049         do { } while (0);
13050         PR_Unlock((rt)->gcLock);
13051     }
13052     ~AutoUnlockGC() { PR_Lock((rt)->gcLock); }
13053 };
13054 class AutoLockAtomsCompartment {
13055   private:
13056     JSContext *cx;
13057
13058   public:
13059     AutoLockAtomsCompartment(JSContext *cx
13060                                )
13061       : cx(cx)
13062     {
13063         do { } while (0);
13064         js_Lock(cx, &cx->runtime->atomState.lock);
13065         cx->runtime->atomsCompartmentIsLocked = true;
13066     }
13067     ~AutoLockAtomsCompartment() {
13068         cx->runtime->atomsCompartmentIsLocked = false;
13069         js_Unlock(cx, &cx->runtime->atomState.lock);
13070     }
13071 };
13072 class AutoUnlockAtomsCompartment {
13073     JSContext *cx;
13074
13075   public:
13076     AutoUnlockAtomsCompartment(JSContext *cx
13077                                  )
13078       : cx(cx)
13079     {
13080         do { } while (0);
13081         cx->runtime->atomsCompartmentIsLocked = false;
13082         js_Unlock(cx, &cx->runtime->atomState.lock);
13083     }
13084     ~AutoUnlockAtomsCompartment() {
13085         js_Lock(cx, &cx->runtime->atomState.lock);
13086         cx->runtime->atomsCompartmentIsLocked = true;
13087     }
13088 };
13089 class AutoKeepAtoms {
13090     JSRuntime *rt;
13091
13092   public:
13093     explicit AutoKeepAtoms(JSRuntime *rt
13094                            )
13095       : rt(rt)
13096     {
13097         do { } while (0);
13098         PR_AtomicIncrement((PRInt32 *)(&(rt)->gcKeepAtoms));;
13099     }
13100     ~AutoKeepAtoms() { PR_AtomicDecrement((PRInt32 *)(&(rt)->gcKeepAtoms));; }
13101 };
13102 class AutoArenaAllocator {
13103     JSArenaPool *pool;
13104     void *mark;
13105
13106   public:
13107     explicit AutoArenaAllocator(JSArenaPool *pool
13108                                 )
13109       : pool(pool), mark(((void *) (pool)->current->avail))
13110     {
13111         do { } while (0);
13112     }
13113     ~AutoArenaAllocator() { do { char *_m = (char *)(mark); JSArena *_a = (pool)->current; if (_a != &(pool)->first && (((jsuword)(_m) - (jsuword)((_a)->base)) <= ((jsuword)((_a)->avail) - (jsuword)((_a)->base)))) { _a->avail = (jsuword)(((jsuword)(_m) + (pool)->mask) & ~(pool)->mask); ((void) 0); ; ; } else { JS_ArenaRelease(pool, _m); } ; } while (0); }
13114     template <typename T>
13115     T *alloc(size_t elems) {
13116         void *ptr;
13117         do { JSArena *_a = (pool)->current; size_t _nb = (((jsuword)(elems * sizeof(T)) + (pool)->mask) & ~(pool)->mask); jsuword _p = _a->avail; if ((_nb > _a->limit) || _p > _a->limit - _nb) _p = (jsuword)JS_ArenaAllocate(pool, _nb); else _a->avail = _p + _nb; ptr = (void *) _p; do { } while (0) ; } while (0);
13118         return static_cast<T *>(ptr);
13119     }
13120 };
13121 class AutoReleasePtr {
13122     JSContext *cx;
13123     void *ptr;
13124
13125     AutoReleasePtr operator=(const AutoReleasePtr &other);
13126   public:
13127     explicit AutoReleasePtr(JSContext *cx, void *ptr
13128                             )
13129       : cx(cx), ptr(ptr)
13130     {
13131         do { } while (0);
13132     }
13133     ~AutoReleasePtr() { cx->free(ptr); }
13134 };
13135 class AutoReleaseNullablePtr {
13136     JSContext *cx;
13137     void *ptr;
13138
13139     AutoReleaseNullablePtr operator=(const AutoReleaseNullablePtr &other);
13140   public:
13141     explicit AutoReleaseNullablePtr(JSContext *cx, void *ptr
13142                                     )
13143       : cx(cx), ptr(ptr)
13144     {
13145         do { } while (0);
13146     }
13147     void reset(void *ptr2) {
13148         if (ptr)
13149             cx->free(ptr);
13150         ptr = ptr2;
13151     }
13152     ~AutoReleaseNullablePtr() { if (ptr) cx->free(ptr); }
13153 };
13154 class AutoLocalNameArray {
13155   public:
13156     explicit AutoLocalNameArray(JSContext *cx, JSFunction *fun
13157                                 )
13158       : context(cx),
13159         mark(((void *) (&cx->tempPool)->current->avail)),
13160         names(fun->script()->bindings.getLocalNameArray(cx, &cx->tempPool)),
13161         count(fun->script()->bindings.countLocalNames())
13162     {
13163         do { } while (0);
13164     }
13165     ~AutoLocalNameArray() {
13166         do { char *_m = (char *)(mark); JSArena *_a = (&context->tempPool)->current; if (_a != &(&context->tempPool)->first && (((jsuword)(_m) - (jsuword)((_a)->base)) <= ((jsuword)((_a)->avail) - (jsuword)((_a)->base)))) { _a->avail = (jsuword)(((jsuword)(_m) + (&context->tempPool)->mask) & ~(&context->tempPool)->mask); ((void) 0); ; ; } else { JS_ArenaRelease(&context->tempPool, _m); } ; } while (0);
13167     }
13168     operator bool() const { return !!names; }
13169     uint32 length() const { return count; }
13170     const jsuword &operator [](unsigned i) const { return names[i]; }
13171   private:
13172     JSContext *context;
13173     void *mark;
13174     jsuword *names;
13175     uint32 count;
13176
13177 };
13178 template <class RefCountable>
13179 class AlreadyIncRefed
13180 {
13181     typedef RefCountable *****ConvertibleToBool;
13182     RefCountable *obj;
13183   public:
13184     explicit AlreadyIncRefed(RefCountable *obj) : obj(obj) {}
13185     bool null() const { return obj == __null; }
13186     operator ConvertibleToBool() const { return (ConvertibleToBool)obj; }
13187     RefCountable *operator->() const { ((void) 0); return obj; }
13188     RefCountable &operator*() const { ((void) 0); return *obj; }
13189     RefCountable *get() const { return obj; }
13190 };
13191 template <class RefCountable>
13192 class NeedsIncRef
13193 {
13194     typedef RefCountable *****ConvertibleToBool;
13195     RefCountable *obj;
13196   public:
13197     explicit NeedsIncRef(RefCountable *obj) : obj(obj) {}
13198     bool null() const { return obj == __null; }
13199     operator ConvertibleToBool() const { return (ConvertibleToBool)obj; }
13200     RefCountable *operator->() const { ((void) 0); return obj; }
13201     RefCountable &operator*() const { ((void) 0); return *obj; }
13202     RefCountable *get() const { return obj; }
13203 };
13204 template <class RefCountable>
13205 class AutoRefCount
13206 {
13207     typedef RefCountable *****ConvertibleToBool;
13208     JSContext *const cx;
13209     RefCountable *obj;
13210     AutoRefCount(const AutoRefCount &);
13211     void operator=(const AutoRefCount &);
13212   public:
13213     explicit AutoRefCount(JSContext *cx)
13214       : cx(cx), obj(__null)
13215     {}
13216     AutoRefCount(JSContext *cx, NeedsIncRef<RefCountable> aobj)
13217       : cx(cx), obj(aobj.get())
13218     {
13219         if (obj)
13220             obj->incref(cx);
13221     }
13222     AutoRefCount(JSContext *cx, AlreadyIncRefed<RefCountable> aobj)
13223       : cx(cx), obj(aobj.get())
13224     {}
13225     ~AutoRefCount() {
13226         if (obj)
13227             obj->decref(cx);
13228     }
13229     void reset(NeedsIncRef<RefCountable> aobj) {
13230         if (obj)
13231             obj->decref(cx);
13232         obj = aobj.get();
13233         if (obj)
13234             obj->incref(cx);
13235     }
13236     void reset(AlreadyIncRefed<RefCountable> aobj) {
13237         if (obj)
13238             obj->decref(cx);
13239         obj = aobj.get();
13240     }
13241     bool null() const { return obj == __null; }
13242     operator ConvertibleToBool() const { return (ConvertibleToBool)obj; }
13243     RefCountable *operator->() const { ((void) 0); return obj; }
13244     RefCountable &operator*() const { ((void) 0); return *obj; }
13245     RefCountable *get() const { return obj; }
13246 };
13247 }
13248 class JSAutoResolveFlags
13249 {
13250   public:
13251     JSAutoResolveFlags(JSContext *cx, uintN flags
13252                        )
13253       : mContext(cx), mSaved(cx->resolveFlags)
13254     {
13255         do { } while (0);
13256         cx->resolveFlags = flags;
13257     }
13258     ~JSAutoResolveFlags() { mContext->resolveFlags = mSaved; }
13259   private:
13260     JSContext *mContext;
13261     uintN mSaved;
13262
13263 };
13264 extern JSThreadData *
13265 js_CurrentThreadData(JSRuntime *rt);
13266 extern JSBool
13267 js_InitThreads(JSRuntime *rt);
13268 extern void
13269 js_FinishThreads(JSRuntime *rt);
13270 extern void
13271 js_PurgeThreads(JSContext *cx);
13272 namespace js {
13273 class ThreadDataIter : public JSThread::Map::Range
13274 {
13275   public:
13276     ThreadDataIter(JSRuntime *rt) : JSThread::Map::Range(rt->threads.all()) {}
13277     JSThreadData *threadData() const {
13278         return &front().value->data;
13279     }
13280 };
13281 }
13282 extern JSContext *
13283 js_NewContext(JSRuntime *rt, size_t stackChunkSize);
13284 extern void
13285 js_DestroyContext(JSContext *cx, JSDestroyContextMode mode);
13286 static inline JSContext *
13287 js_ContextFromLinkField(JSCList *link)
13288 {
13289     ((void) 0);
13290     return (JSContext *) ((uint8 *) link - __builtin_offsetof (JSContext, link));
13291 }
13292 extern JSContext *
13293 js_ContextIterator(JSRuntime *rt, JSBool unlocked, JSContext **iterp);
13294 extern __attribute__((visibility ("default"))) JSContext *
13295 js_NextActiveContext(JSRuntime *, JSContext *);
13296 extern JSBool
13297 js_StartResolving(JSContext *cx, JSResolvingKey *key, uint32 flag,
13298                   JSResolvingEntry **entryp);
13299 extern void
13300 js_StopResolving(JSContext *cx, JSResolvingKey *key, uint32 flag,
13301                  JSResolvingEntry *entry, uint32 generation);
13302 typedef enum JSErrNum {
13303 JSMSG_NOT_AN_ERROR = 0,
13304 JSMSG_NOT_DEFINED = 1,
13305 JSMSG_INACTIVE = 2,
13306 JSMSG_MORE_ARGS_NEEDED = 3,
13307 JSMSG_BAD_CHAR = 4,
13308 JSMSG_BAD_TYPE = 5,
13309 JSMSG_ALLOC_OVERFLOW = 6,
13310 JSMSG_MISSING_HEXDIGITS = 7,
13311 JSMSG_INCOMPATIBLE_PROTO = 8,
13312 JSMSG_NO_CONSTRUCTOR = 9,
13313 JSMSG_CANT_ALIAS = 10,
13314 JSMSG_NOT_SCRIPTED_FUNCTION = 11,
13315 JSMSG_BAD_SORT_ARG = 12,
13316 JSMSG_BAD_ATOMIC_NUMBER = 13,
13317 JSMSG_TOO_MANY_LITERALS = 14,
13318 JSMSG_CANT_WATCH = 15,
13319 JSMSG_STACK_UNDERFLOW = 16,
13320 JSMSG_NEED_DIET = 17,
13321 JSMSG_TOO_MANY_LOCAL_ROOTS = 18,
13322 JSMSG_READ_ONLY = 19,
13323 JSMSG_BAD_FORMAL = 20,
13324 JSMSG_CANT_DELETE = 21,
13325 JSMSG_NOT_FUNCTION = 22,
13326 JSMSG_NOT_CONSTRUCTOR = 23,
13327 JSMSG_SCRIPT_STACK_QUOTA = 24,
13328 JSMSG_TOO_DEEP = 25,
13329 JSMSG_OVER_RECURSED = 26,
13330 JSMSG_IN_NOT_OBJECT = 27,
13331 JSMSG_BAD_NEW_RESULT = 28,
13332 JSMSG_BAD_SHARP_DEF = 29,
13333 JSMSG_BAD_SHARP_USE = 30,
13334 JSMSG_BAD_INSTANCEOF_RHS = 31,
13335 JSMSG_BAD_BYTECODE = 32,
13336 JSMSG_BAD_RADIX = 33,
13337 JSMSG_PAREN_BEFORE_LET = 34,
13338 JSMSG_CANT_CONVERT = 35,
13339 JSMSG_CYCLIC_VALUE = 36,
13340 JSMSG_COMPILE_EXECED_SCRIPT = 37,
13341 JSMSG_CANT_CONVERT_TO = 38,
13342 JSMSG_NO_PROPERTIES = 39,
13343 JSMSG_CANT_FIND_CLASS = 40,
13344 JSMSG_CANT_XDR_CLASS = 41,
13345 JSMSG_BYTECODE_TOO_BIG = 42,
13346 JSMSG_UNKNOWN_FORMAT = 43,
13347 JSMSG_TOO_MANY_CON_ARGS = 44,
13348 JSMSG_TOO_MANY_FUN_ARGS = 45,
13349 JSMSG_BAD_QUANTIFIER = 46,
13350 JSMSG_MIN_TOO_BIG = 47,
13351 JSMSG_MAX_TOO_BIG = 48,
13352 JSMSG_OUT_OF_ORDER = 49,
13353 JSMSG_BAD_DESTRUCT_DECL = 50,
13354 JSMSG_BAD_DESTRUCT_ASS = 51,
13355 JSMSG_PAREN_AFTER_LET = 52,
13356 JSMSG_CURLY_AFTER_LET = 53,
13357 JSMSG_MISSING_PAREN = 54,
13358 JSMSG_UNTERM_CLASS = 55,
13359 JSMSG_TRAILING_SLASH = 56,
13360 JSMSG_BAD_CLASS_RANGE = 57,
13361 JSMSG_BAD_REGEXP_FLAG = 58,
13362 JSMSG_NO_INPUT = 59,
13363 JSMSG_CANT_OPEN = 60,
13364 JSMSG_BAD_STRING_MASK = 61,
13365 JSMSG_UNMATCHED_RIGHT_PAREN = 62,
13366 JSMSG_END_OF_DATA = 63,
13367 JSMSG_SEEK_BEYOND_START = 64,
13368 JSMSG_SEEK_BEYOND_END = 65,
13369 JSMSG_END_SEEK = 66,
13370 JSMSG_WHITHER_WHENCE = 67,
13371 JSMSG_BAD_SCRIPT_MAGIC = 68,
13372 JSMSG_PAREN_BEFORE_FORMAL = 69,
13373 JSMSG_MISSING_FORMAL = 70,
13374 JSMSG_PAREN_AFTER_FORMAL = 71,
13375 JSMSG_CURLY_BEFORE_BODY = 72,
13376 JSMSG_CURLY_AFTER_BODY = 73,
13377 JSMSG_PAREN_BEFORE_COND = 74,
13378 JSMSG_PAREN_AFTER_COND = 75,
13379 JSMSG_DESTRUCT_DUP_ARG = 76,
13380 JSMSG_NAME_AFTER_DOT = 77,
13381 JSMSG_BRACKET_IN_INDEX = 78,
13382 JSMSG_XML_WHOLE_PROGRAM = 79,
13383 JSMSG_PAREN_BEFORE_SWITCH = 80,
13384 JSMSG_PAREN_AFTER_SWITCH = 81,
13385 JSMSG_CURLY_BEFORE_SWITCH = 82,
13386 JSMSG_COLON_AFTER_CASE = 83,
13387 JSMSG_WHILE_AFTER_DO = 84,
13388 JSMSG_PAREN_AFTER_FOR = 85,
13389 JSMSG_SEMI_AFTER_FOR_INIT = 86,
13390 JSMSG_SEMI_AFTER_FOR_COND = 87,
13391 JSMSG_PAREN_AFTER_FOR_CTRL = 88,
13392 JSMSG_CURLY_BEFORE_TRY = 89,
13393 JSMSG_CURLY_AFTER_TRY = 90,
13394 JSMSG_PAREN_BEFORE_CATCH = 91,
13395 JSMSG_CATCH_IDENTIFIER = 92,
13396 JSMSG_PAREN_AFTER_CATCH = 93,
13397 JSMSG_CURLY_BEFORE_CATCH = 94,
13398 JSMSG_CURLY_AFTER_CATCH = 95,
13399 JSMSG_CURLY_BEFORE_FINALLY = 96,
13400 JSMSG_CURLY_AFTER_FINALLY = 97,
13401 JSMSG_CATCH_OR_FINALLY = 98,
13402 JSMSG_PAREN_BEFORE_WITH = 99,
13403 JSMSG_PAREN_AFTER_WITH = 100,
13404 JSMSG_CURLY_IN_COMPOUND = 101,
13405 JSMSG_NO_VARIABLE_NAME = 102,
13406 JSMSG_COLON_IN_COND = 103,
13407 JSMSG_PAREN_AFTER_ARGS = 104,
13408 JSMSG_BRACKET_AFTER_LIST = 105,
13409 JSMSG_COLON_AFTER_ID = 106,
13410 JSMSG_CURLY_AFTER_LIST = 107,
13411 JSMSG_PAREN_IN_PAREN = 108,
13412 JSMSG_SEMI_BEFORE_STMNT = 109,
13413 JSMSG_NO_RETURN_VALUE = 110,
13414 JSMSG_DUPLICATE_FORMAL = 111,
13415 JSMSG_EQUAL_AS_ASSIGN = 112,
13416 JSMSG_OPTIMIZED_CLOSURE_LEAK = 113,
13417 JSMSG_TOO_MANY_DEFAULTS = 114,
13418 JSMSG_TOO_MANY_CASES = 115,
13419 JSMSG_BAD_SWITCH = 116,
13420 JSMSG_BAD_FOR_LEFTSIDE = 117,
13421 JSMSG_CATCH_AFTER_GENERAL = 118,
13422 JSMSG_CATCH_WITHOUT_TRY = 119,
13423 JSMSG_FINALLY_WITHOUT_TRY = 120,
13424 JSMSG_LABEL_NOT_FOUND = 121,
13425 JSMSG_TOUGH_BREAK = 122,
13426 JSMSG_BAD_CONTINUE = 123,
13427 JSMSG_BAD_RETURN_OR_YIELD = 124,
13428 JSMSG_BAD_LABEL = 125,
13429 JSMSG_DUPLICATE_LABEL = 126,
13430 JSMSG_VAR_HIDES_ARG = 127,
13431 JSMSG_BAD_VAR_INIT = 128,
13432 JSMSG_BAD_LEFTSIDE_OF_ASS = 129,
13433 JSMSG_BAD_OPERAND = 130,
13434 JSMSG_BAD_PROP_ID = 131,
13435 JSMSG_RESERVED_ID = 132,
13436 JSMSG_SYNTAX_ERROR = 133,
13437 JSMSG_BAD_SHARP_VAR_DEF = 134,
13438 JSMSG_BAD_PROTOTYPE = 135,
13439 JSMSG_MISSING_EXPONENT = 136,
13440 JSMSG_OUT_OF_MEMORY = 137,
13441 JSMSG_UNTERMINATED_STRING = 138,
13442 JSMSG_TOO_MANY_PARENS = 139,
13443 JSMSG_UNTERMINATED_COMMENT = 140,
13444 JSMSG_UNTERMINATED_REGEXP = 141,
13445 JSMSG_BAD_CLONE_FUNOBJ_SCOPE = 142,
13446 JSMSG_SHARPVAR_TOO_BIG = 143,
13447 JSMSG_ILLEGAL_CHARACTER = 144,
13448 JSMSG_BAD_OCTAL = 145,
13449 JSMSG_BAD_INDIRECT_CALL = 146,
13450 JSMSG_UNCAUGHT_EXCEPTION = 147,
13451 JSMSG_INVALID_BACKREF = 148,
13452 JSMSG_BAD_BACKREF = 149,
13453 JSMSG_PRECISION_RANGE = 150,
13454 JSMSG_BAD_GETTER_OR_SETTER = 151,
13455 JSMSG_BAD_ARRAY_LENGTH = 152,
13456 JSMSG_CANT_DESCRIBE_PROPS = 153,
13457 JSMSG_BAD_APPLY_ARGS = 154,
13458 JSMSG_REDECLARED_VAR = 155,
13459 JSMSG_UNDECLARED_VAR = 156,
13460 JSMSG_ANON_NO_RETURN_VALUE = 157,
13461 JSMSG_DEPRECATED_USAGE = 158,
13462 JSMSG_BAD_URI = 159,
13463 JSMSG_GETTER_ONLY = 160,
13464 JSMSG_IDSTART_AFTER_NUMBER = 161,
13465 JSMSG_UNDEFINED_PROP = 162,
13466 JSMSG_USELESS_EXPR = 163,
13467 JSMSG_REDECLARED_PARAM = 164,
13468 JSMSG_NEWREGEXP_FLAGGED = 165,
13469 JSMSG_RESERVED_SLOT_RANGE = 166,
13470 JSMSG_CANT_DECODE_PRINCIPALS = 167,
13471 JSMSG_CANT_SEAL_OBJECT = 168,
13472 JSMSG_TOO_MANY_CATCH_VARS = 169,
13473 JSMSG_BAD_XML_MARKUP = 170,
13474 JSMSG_BAD_XML_CHARACTER = 171,
13475 JSMSG_BAD_DEFAULT_XML_NAMESPACE = 172,
13476 JSMSG_BAD_XML_NAME_SYNTAX = 173,
13477 JSMSG_BRACKET_AFTER_ATTR_EXPR = 174,
13478 JSMSG_NESTING_GENERATOR = 175,
13479 JSMSG_CURLY_IN_XML_EXPR = 176,
13480 JSMSG_BAD_XML_NAMESPACE = 177,
13481 JSMSG_BAD_XML_ATTR_NAME = 178,
13482 JSMSG_BAD_XML_NAME = 179,
13483 JSMSG_BAD_XML_CONVERSION = 180,
13484 JSMSG_BAD_XMLLIST_CONVERSION = 181,
13485 JSMSG_BAD_GENERATOR_SEND = 182,
13486 JSMSG_NO_ASSIGN_IN_XML_ATTR = 183,
13487 JSMSG_BAD_XML_ATTR_VALUE = 184,
13488 JSMSG_XML_TAG_NAME_MISMATCH = 185,
13489 JSMSG_BAD_XML_TAG_SYNTAX = 186,
13490 JSMSG_BAD_XML_LIST_SYNTAX = 187,
13491 JSMSG_INCOMPATIBLE_METHOD = 188,
13492 JSMSG_CANT_SET_XML_ATTRS = 189,
13493 JSMSG_END_OF_XML_SOURCE = 190,
13494 JSMSG_END_OF_XML_ENTITY = 191,
13495 JSMSG_BAD_XML_QNAME = 192,
13496 JSMSG_BAD_FOR_EACH_LOOP = 193,
13497 JSMSG_BAD_XMLLIST_PUT = 194,
13498 JSMSG_UNKNOWN_XML_ENTITY = 195,
13499 JSMSG_BAD_XML_NCR = 196,
13500 JSMSG_UNDEFINED_XML_NAME = 197,
13501 JSMSG_DUPLICATE_XML_ATTR = 198,
13502 JSMSG_TOO_MANY_LOCALS = 199,
13503 JSMSG_ARRAY_INIT_TOO_BIG = 200,
13504 JSMSG_REGEXP_TOO_COMPLEX = 201,
13505 JSMSG_BUFFER_TOO_SMALL = 202,
13506 JSMSG_BAD_SURROGATE_CHAR = 203,
13507 JSMSG_UTF8_CHAR_TOO_LARGE = 204,
13508 JSMSG_MALFORMED_UTF8_CHAR = 205,
13509 JSMSG_USER_DEFINED_ERROR = 206,
13510 JSMSG_WRONG_CONSTRUCTOR = 207,
13511 JSMSG_BAD_GENERATOR_RETURN = 208,
13512 JSMSG_BAD_ANON_GENERATOR_RETURN = 209,
13513 JSMSG_NAME_AFTER_FOR_PAREN = 210,
13514 JSMSG_IN_AFTER_FOR_NAME = 211,
13515 JSMSG_BAD_TRAP_RETURN_VALUE = 212,
13516 JSMSG_KEYWORD_NOT_NS = 213,
13517 JSMSG_BAD_GENERATOR_YIELD = 214,
13518 JSMSG_BAD_GENERATOR_SYNTAX = 215,
13519 JSMSG_ARRAY_COMP_LEFTSIDE = 216,
13520 JSMSG_NON_XML_FILTER = 217,
13521 JSMSG_EMPTY_ARRAY_REDUCE = 218,
13522 JSMSG_NON_LIST_XML_METHOD = 219,
13523 JSMSG_BAD_DELETE_OPERAND = 220,
13524 JSMSG_BAD_INCOP_OPERAND = 221,
13525 JSMSG_UNEXPECTED_TYPE = 222,
13526 JSMSG_LET_DECL_NOT_IN_BLOCK = 223,
13527 JSMSG_BAD_OBJECT_INIT = 224,
13528 JSMSG_CANT_SET_ARRAY_ATTRS = 225,
13529 JSMSG_EVAL_ARITY = 226,
13530 JSMSG_MISSING_FUN_ARG = 227,
13531 JSMSG_JSON_BAD_PARSE = 228,
13532 JSMSG_JSON_BAD_STRINGIFY = 229,
13533 JSMSG_XDR_CLOSURE_WRAPPER = 230,
13534 JSMSG_NOT_NONNULL_OBJECT = 231,
13535 JSMSG_DEPRECATED_OCTAL = 232,
13536 JSMSG_STRICT_CODE_WITH = 233,
13537 JSMSG_DUPLICATE_PROPERTY = 234,
13538 JSMSG_DEPRECATED_DELETE_OPERAND = 235,
13539 JSMSG_DEPRECATED_ASSIGN = 236,
13540 JSMSG_BAD_BINDING = 237,
13541 JSMSG_INVALID_DESCRIPTOR = 238,
13542 JSMSG_OBJECT_NOT_EXTENSIBLE = 239,
13543 JSMSG_CANT_REDEFINE_PROP = 240,
13544 JSMSG_CANT_APPEND_TO_ARRAY = 241,
13545 JSMSG_CANT_DEFINE_ARRAY_LENGTH = 242,
13546 JSMSG_CANT_DEFINE_ARRAY_INDEX = 243,
13547 JSMSG_TYPED_ARRAY_BAD_INDEX = 244,
13548 JSMSG_TYPED_ARRAY_NEGATIVE_ARG = 245,
13549 JSMSG_TYPED_ARRAY_BAD_ARGS = 246,
13550 JSMSG_CSP_BLOCKED_FUNCTION = 247,
13551 JSMSG_BAD_GET_SET_FIELD = 248,
13552 JSMSG_BAD_PROXY_FIX = 249,
13553 JSMSG_INVALID_EVAL_SCOPE_ARG = 250,
13554 JSMSG_ACCESSOR_WRONG_ARGS = 251,
13555 JSMSG_THROW_TYPE_ERROR = 252,
13556 JSMSG_BAD_TOISOSTRING_PROP = 253,
13557 JSMSG_BAD_PARSE_NODE = 254,
13558 JSMSG_NOT_EXPECTED_TYPE = 255,
13559 JSMSG_CALLER_IS_STRICT = 256,
13560 JSMSG_NEED_DEBUG_MODE = 257,
13561 JSMSG_STRICT_CODE_LET_EXPR_STMT = 258,
13562 JSMSG_CANT_CHANGE_EXTENSIBILITY = 259,
13563 JSMSG_SC_BAD_SERIALIZED_DATA = 260,
13564 JSMSG_SC_UNSUPPORTED_TYPE = 261,
13565 JSMSG_SC_RECURSION = 262,
13566 JSMSG_CANT_WRAP_XML_OBJECT = 263,
13567 JSMSG_BAD_CLONE_VERSION = 264,
13568 JSMSG_CANT_CLONE_OBJECT = 265,
13569 JSMSG_NON_NATIVE_SCOPE = 266,
13570 JSMSG_STRICT_FUNCTION_STATEMENT = 267,
13571 JSMSG_INVALID_FOR_IN_INIT = 268,
13572 JSMSG_CLEARED_SCOPE = 269,
13573     JSErr_Limit
13574 } JSErrNum;
13575 extern __attribute__((visibility ("default"))) const JSErrorFormatString *
13576 js_GetErrorMessage(void *userRef, const char *locale, const uintN errorNumber);
13577 extern JSBool
13578 js_ReportErrorVA(JSContext *cx, uintN flags, const char *format, va_list ap);
13579 extern JSBool
13580 js_ReportErrorNumberVA(JSContext *cx, uintN flags, JSErrorCallback callback,
13581                        void *userRef, const uintN errorNumber,
13582                        JSBool charArgs, va_list ap);
13583 extern JSBool
13584 js_ExpandErrorArguments(JSContext *cx, JSErrorCallback callback,
13585                         void *userRef, const uintN errorNumber,
13586                         char **message, JSErrorReport *reportp,
13587                         bool charArgs, va_list ap);
13588 extern void
13589 js_ReportOutOfMemory(JSContext *cx);
13590 void
13591 js_ReportOutOfScriptQuota(JSContext *cx);
13592 extern __attribute__((visibility ("default"))) void
13593 js_ReportOverRecursed(JSContext *cx);
13594 extern __attribute__((visibility ("default"))) void
13595 js_ReportAllocationOverflow(JSContext *cx);
13596 extern __attribute__((visibility ("default"))) void
13597 js_ReportErrorAgain(JSContext *cx, const char *message, JSErrorReport *report);
13598 extern void
13599 js_ReportIsNotDefined(JSContext *cx, const char *name);
13600 extern JSBool
13601 js_ReportIsNullOrUndefined(JSContext *cx, intN spindex, const js::Value &v,
13602                            JSString *fallback);
13603 extern void
13604 js_ReportMissingArg(JSContext *cx, const js::Value &v, uintN arg);
13605 extern JSBool
13606 js_ReportValueErrorFlags(JSContext *cx, uintN flags, const uintN errorNumber,
13607                          intN spindex, const js::Value &v, JSString *fallback,
13608                          const char *arg1, const char *arg2);
13609 extern JSErrorFormatString js_ErrorFormatString[JSErr_Limit];
13610 __attribute__((always_inline)) inline void
13611 JSThreadData::triggerOperationCallback(JSRuntime *rt)
13612 {
13613     if (interruptFlags)
13614         return;
13615     PR_AtomicSet((PRInt32 *)(&interruptFlags), (PRInt32)(1));
13616     if (requestDepth != 0)
13617         PR_AtomicIncrement((PRInt32 *)(&rt->interruptCounter));
13618 }
13619 extern JSBool
13620 js_InvokeOperationCallback(JSContext *cx);
13621 extern JSBool
13622 js_HandleExecutionInterrupt(JSContext *cx);
13623 namespace js {
13624 __attribute__((visibility ("default"))) void
13625 TriggerOperationCallback(JSContext *cx);
13626 void
13627 TriggerAllOperationCallbacks(JSRuntime *rt);
13628 }
13629 extern JSStackFrame *
13630 js_GetScriptedCaller(JSContext *cx, JSStackFrame *fp);
13631 extern jsbytecode*
13632 js_GetCurrentBytecodePC(JSContext* cx);
13633 extern
13634        bool
13635 js_CurrentPCIsInImacro(JSContext *cx);
13636 namespace js {
13637 class RegExpStatics;
13638 extern __attribute__((visibility ("default"))) void
13639 LeaveTrace(JSContext *cx);
13640 }
13641 static inline JSStackFrame *
13642 js_GetTopStackFrame(JSContext *cx)
13643 {
13644     js::LeaveTrace(cx);
13645     return cx->maybefp();
13646 }
13647 static inline JSBool
13648 js_IsPropertyCacheDisabled(JSContext *cx)
13649 {
13650     return cx->runtime->shapeGen >= js::SHAPE_OVERFLOW_BIT;
13651 }
13652 static inline uint32
13653 js_RegenerateShapeForGC(JSRuntime *rt)
13654 {
13655     ((void) 0);
13656     ((void) 0);
13657     uint32 shape = rt->shapeGen;
13658     shape = (shape + 1) | (shape & js::SHAPE_OVERFLOW_BIT);
13659     rt->shapeGen = shape;
13660     return shape;
13661 }
13662 namespace js {
13663 inline void *
13664 ContextAllocPolicy::malloc(size_t bytes)
13665 {
13666     return cx->malloc(bytes);
13667 }
13668 inline void
13669 ContextAllocPolicy::free(void *p)
13670 {
13671     cx->free(p);
13672 }
13673 inline void *
13674 ContextAllocPolicy::realloc(void *p, size_t bytes)
13675 {
13676     return cx->realloc(p, bytes);
13677 }
13678 inline void
13679 ContextAllocPolicy::reportAllocOverflow() const
13680 {
13681     js_ReportAllocationOverflow(cx);
13682 }
13683 template<class T>
13684 class AutoVectorRooter : protected AutoGCRooter
13685 {
13686   public:
13687     explicit AutoVectorRooter(JSContext *cx, ptrdiff_t tag
13688                               )
13689         : AutoGCRooter(cx, tag), vector(cx)
13690     {
13691         do { } while (0);
13692     }
13693     size_t length() const { return vector.length(); }
13694     bool append(const T &v) { return vector.append(v); }
13695     void popBack() { vector.popBack(); }
13696     bool growBy(size_t inc) {
13697         size_t oldLength = vector.length();
13698         if (!vector.growByUninitialized(inc))
13699             return false;
13700         MakeRangeGCSafe(vector.begin() + oldLength, vector.end());
13701         return true;
13702     }
13703     bool resize(size_t newLength) {
13704         size_t oldLength = vector.length();
13705         if (newLength <= oldLength) {
13706             vector.shrinkBy(oldLength - newLength);
13707             return true;
13708         }
13709         if (!vector.growByUninitialized(newLength - oldLength))
13710             return false;
13711         MakeRangeGCSafe(vector.begin() + oldLength, vector.end());
13712         return true;
13713     }
13714     bool reserve(size_t newLength) {
13715         return vector.reserve(newLength);
13716     }
13717     T &operator[](size_t i) { return vector[i]; }
13718     const T &operator[](size_t i) const { return vector[i]; }
13719     const T *begin() const { return vector.begin(); }
13720     T *begin() { return vector.begin(); }
13721     const T *end() const { return vector.end(); }
13722     T *end() { return vector.end(); }
13723     const T &back() const { return vector.back(); }
13724     friend void AutoGCRooter::trace(JSTracer *trc);
13725   private:
13726     Vector<T, 8> vector;
13727
13728 };
13729 class AutoValueVector : public AutoVectorRooter<Value>
13730 {
13731   public:
13732     explicit AutoValueVector(JSContext *cx
13733                              )
13734         : AutoVectorRooter<Value>(cx, VALVECTOR)
13735     {
13736         do { } while (0);
13737     }
13738     const jsval *jsval_begin() const { return Jsvalify(begin()); }
13739     jsval *jsval_begin() { return Jsvalify(begin()); }
13740     const jsval *jsval_end() const { return Jsvalify(end()); }
13741     jsval *jsval_end() { return Jsvalify(end()); }
13742
13743 };
13744 class AutoIdVector : public AutoVectorRooter<jsid>
13745 {
13746   public:
13747     explicit AutoIdVector(JSContext *cx
13748                           )
13749         : AutoVectorRooter<jsid>(cx, IDVECTOR)
13750     {
13751         do { } while (0);
13752     }
13753
13754 };
13755 class AutoShapeVector : public AutoVectorRooter<const Shape *>
13756 {
13757   public:
13758     explicit AutoShapeVector(JSContext *cx
13759                              )
13760         : AutoVectorRooter<const Shape *>(cx, SHAPEVECTOR)
13761     {
13762         do { } while (0);
13763     }
13764
13765 };
13766 JSIdArray *
13767 NewIdArray(JSContext *cx, jsint length);
13768 }
13769 typedef union jsdpun {
13770     struct {
13771         uint32 hi, lo;
13772     } s;
13773     uint64 u64;
13774     jsdouble d;
13775 } jsdpun;
13776 static inline int
13777 JSDOUBLE_IS_NaN(jsdouble d)
13778 {
13779     return (sizeof (d) == sizeof (float) ? __isnanf (d) : sizeof (d) == sizeof (double) ? __isnan (d) : __isnanl (d));
13780 }
13781 static inline int
13782 JSDOUBLE_IS_FINITE(jsdouble d)
13783 {
13784     return finite(d);
13785 }
13786 static inline int
13787 JSDOUBLE_IS_INFINITE(jsdouble d)
13788 {
13789     return (sizeof (d) == sizeof (float) ? __isinff (d) : sizeof (d) == sizeof (double) ? __isinf (d) : __isinfl (d));
13790 }
13791 static inline
13792               bool
13793 JSDOUBLE_IS_NEG(jsdouble d)
13794 {
13795     return (sizeof (d) == sizeof (float) ? __signbitf (d) : sizeof (d) == sizeof (double) ? __signbit (d) : __signbitl (d));
13796 }
13797 static inline uint32
13798 JS_HASH_DOUBLE(jsdouble d)
13799 {
13800     jsdpun u;
13801     u.d = d;
13802     return u.s.lo ^ u.s.hi;
13803 }
13804 extern jsdouble js_NaN;
13805 extern jsdouble js_PositiveInfinity;
13806 extern jsdouble js_NegativeInfinity;
13807 extern JSBool
13808 js_InitRuntimeNumberState(JSContext *cx);
13809 extern void
13810 js_FinishRuntimeNumberState(JSContext *cx);
13811 extern js::Class js_NumberClass;
13812 inline
13813        bool
13814 JSObject::isNumber() const
13815 {
13816     return getClass() == &js_NumberClass;
13817 }
13818 extern JSObject *
13819 js_InitNumberClass(JSContext *cx, JSObject *obj);
13820 extern const char js_Infinity_str[];
13821 extern const char js_NaN_str[];
13822 extern const char js_isNaN_str[];
13823 extern const char js_isFinite_str[];
13824 extern const char js_parseFloat_str[];
13825 extern const char js_parseInt_str[];
13826 extern JSString *
13827 js_IntToString(JSContext *cx, jsint i);
13828 extern JSString *
13829 js_NumberToString(JSContext *cx, jsdouble d);
13830 namespace js {
13831 extern bool
13832 NumberValueToStringBuffer(JSContext *cx, const Value &v, StringBuffer &sb);
13833 extern JSFlatString *
13834 NumberToString(JSContext *cx, jsdouble d);
13835 struct ToCStringBuf
13836 {
13837     static const size_t sbufSize = 34;
13838     char sbuf[sbufSize];
13839     char *dbuf;
13840     ToCStringBuf();
13841     ~ToCStringBuf();
13842 };
13843 extern char *
13844 NumberToCString(JSContext *cx, ToCStringBuf *cbuf, jsdouble d, jsint base = 10);
13845 const double DOUBLE_INTEGRAL_PRECISION_LIMIT = uint64(1) << 53;
13846 extern
13847        bool
13848 GetPrefixInteger(JSContext *cx, const jschar *start, const jschar *end, int base,
13849                  const jschar **endp, jsdouble *dp);
13850 __attribute__((always_inline)) inline
13851                  bool
13852 ValueToNumber(JSContext *cx, const js::Value &v, double *out)
13853 {
13854     if (v.isNumber()) {
13855         *out = v.toNumber();
13856         return true;
13857     }
13858     extern bool ValueToNumberSlow(JSContext *, js::Value, double *);
13859     return ValueToNumberSlow(cx, v, out);
13860 }
13861 __attribute__((always_inline)) inline
13862                  bool
13863 ValueToNumber(JSContext *cx, js::Value *vp)
13864 {
13865     if (vp->isNumber())
13866         return true;
13867     double d;
13868     extern bool ValueToNumberSlow(JSContext *, js::Value, double *);
13869     if (!ValueToNumberSlow(cx, *vp, &d))
13870         return false;
13871     vp->setNumber(d);
13872     return true;
13873 }
13874 __attribute__((always_inline)) inline
13875                  bool
13876 ValueToECMAInt32(JSContext *cx, const js::Value &v, int32_t *out)
13877 {
13878     if (v.isInt32()) {
13879         *out = v.toInt32();
13880         return true;
13881     }
13882     extern bool ValueToECMAInt32Slow(JSContext *, const js::Value &, int32_t *);
13883     return ValueToECMAInt32Slow(cx, v, out);
13884 }
13885 __attribute__((always_inline)) inline
13886                  bool
13887 ValueToECMAUint32(JSContext *cx, const js::Value &v, uint32_t *out)
13888 {
13889     if (v.isInt32()) {
13890         *out = (uint32_t)v.toInt32();
13891         return true;
13892     }
13893     extern bool ValueToECMAUint32Slow(JSContext *, const js::Value &, uint32_t *);
13894     return ValueToECMAUint32Slow(cx, v, out);
13895 }
13896 __attribute__((always_inline)) inline
13897                  bool
13898 ValueToInt32(JSContext *cx, const js::Value &v, int32_t *out)
13899 {
13900     if (v.isInt32()) {
13901         *out = v.toInt32();
13902         return true;
13903     }
13904     extern bool ValueToInt32Slow(JSContext *, const js::Value &, int32_t *);
13905     return ValueToInt32Slow(cx, v, out);
13906 }
13907 __attribute__((always_inline)) inline
13908                  bool
13909 ValueToUint16(JSContext *cx, const js::Value &v, uint16_t *out)
13910 {
13911     if (v.isInt32()) {
13912         *out = (uint16_t)v.toInt32();
13913         return true;
13914     }
13915     extern bool ValueToUint16Slow(JSContext *, const js::Value &, uint16_t *);
13916     return ValueToUint16Slow(cx, v, out);
13917 }
13918 }
13919 static inline int32
13920 js_DoubleToECMAInt32(jsdouble d)
13921 {
13922     int32 i;
13923     jsdouble two32, two31;
13924     if (!JSDOUBLE_IS_FINITE(d))
13925         return 0;
13926     i = (int32) d;
13927     if ((jsdouble) i == d)
13928         return i;
13929     two32 = 4294967296.0;
13930     two31 = 2147483648.0;
13931     d = fmod(d, two32);
13932     d = (d >= 0) ? floor(d) : ceil(d) + two32;
13933     return (int32) (d >= two31 ? d - two32 : d);
13934 }
13935 uint32
13936 js_DoubleToECMAUint32(jsdouble d);
13937 static inline jsdouble
13938 js_DoubleToInteger(jsdouble d)
13939 {
13940     if (d == 0)
13941         return d;
13942     if (!JSDOUBLE_IS_FINITE(d)) {
13943         if (JSDOUBLE_IS_NaN(d))
13944             return 0;
13945         return d;
13946     }
13947     JSBool neg = (d < 0);
13948     d = floor(neg ? -d : d);
13949     return neg ? -d : d;
13950 }
13951 extern JSBool
13952 js_strtod(JSContext *cx, const jschar *s, const jschar *send,
13953           const jschar **ep, jsdouble *dp);
13954 extern JSBool
13955 js_num_valueOf(JSContext *cx, uintN argc, js::Value *vp);
13956 namespace js {
13957 static __attribute__((always_inline)) inline
13958                         bool
13959 ValueFitsInInt32(const Value &v, int32_t *pi)
13960 {
13961     if (v.isInt32()) {
13962         *pi = v.toInt32();
13963         return true;
13964     }
13965     return v.isDouble() && JSDOUBLE_IS_INT32(v.toDouble(), pi);
13966 }
13967 template<typename T> struct NumberTraits { };
13968 template<> struct NumberTraits<int32> {
13969   static __attribute__((always_inline)) inline int32 NaN() { return 0; }
13970   static __attribute__((always_inline)) inline int32 toSelfType(int32 i) { return i; }
13971   static __attribute__((always_inline)) inline int32 toSelfType(jsdouble d) { return js_DoubleToECMAUint32(d); }
13972 };
13973 template<> struct NumberTraits<jsdouble> {
13974   static __attribute__((always_inline)) inline jsdouble NaN() { return js_NaN; }
13975   static __attribute__((always_inline)) inline jsdouble toSelfType(int32 i) { return i; }
13976   static __attribute__((always_inline)) inline jsdouble toSelfType(jsdouble d) { return d; }
13977 };
13978 template<typename T>
13979 static __attribute__((always_inline)) inline
13980                         bool
13981 StringToNumberType(JSContext *cx, JSString *str, T *result)
13982 {
13983     size_t length = str->length();
13984     const jschar *chars = str->getChars(__null);
13985     if (!chars)
13986         return false;
13987     if (length == 1) {
13988         jschar c = chars[0];
13989         if ('0' <= c && c <= '9') {
13990             *result = NumberTraits<T>::toSelfType(T(c - '0'));
13991             return true;
13992         }
13993         if (JS_ISSPACE(c)) {
13994             *result = NumberTraits<T>::toSelfType(T(0));
13995             return true;
13996         }
13997         *result = NumberTraits<T>::NaN();
13998         return true;
13999     }
14000     const jschar *bp = chars;
14001     const jschar *end = chars + length;
14002     bp = js_SkipWhiteSpace(bp, end);
14003     if (end - bp >= 2 && bp[0] == '0' && (bp[1] == 'x' || bp[1] == 'X')) {
14004         const jschar *endptr;
14005         double d;
14006         if (!GetPrefixInteger(cx, bp + 2, end, 16, &endptr, &d) ||
14007             js_SkipWhiteSpace(endptr, end) != end) {
14008             *result = NumberTraits<T>::NaN();
14009             return true;
14010         }
14011         *result = NumberTraits<T>::toSelfType(d);
14012         return true;
14013     }
14014     const jschar *ep;
14015     double d;
14016     if (!js_strtod(cx, bp, end, &ep, &d) || js_SkipWhiteSpace(ep, end) != end) {
14017         *result = NumberTraits<T>::NaN();
14018         return true;
14019     }
14020     *result = NumberTraits<T>::toSelfType(d);
14021     return true;
14022 }
14023 }
14024 extern const char js_false_str[];
14025 extern const char js_true_str[];
14026 extern const char js_null_str[];
14027 extern const char js_break_str[];
14028 extern const char js_case_str[];
14029 extern const char js_catch_str[];
14030 extern const char js_continue_str[];
14031 extern const char js_debugger_str[];
14032 extern const char js_default_str[];
14033 extern const char js_delete_str[];
14034 extern const char js_do_str[];
14035 extern const char js_else_str[];
14036 extern const char js_finally_str[];
14037 extern const char js_for_str[];
14038 extern const char js_function_str[];
14039 extern const char js_if_str[];
14040 extern const char js_in_str[];
14041 extern const char js_instanceof_str[];
14042 extern const char js_new_str[];
14043 extern const char js_return_str[];
14044 extern const char js_switch_str[];
14045 extern const char js_this_str[];
14046 extern const char js_throw_str[];
14047 extern const char js_try_str[];
14048 extern const char js_typeof_str[];
14049 extern const char js_var_str[];
14050 extern const char js_void_str[];
14051 extern const char js_while_str[];
14052 extern const char js_with_str[];
14053 extern const char js_class_str[];
14054 extern const char js_enum_str[];
14055 extern const char js_export_str[];
14056 extern const char js_extends_str[];
14057 extern const char js_import_str[];
14058 extern const char js_super_str[];
14059 extern const char js_const_str[];
14060 extern const char js_let_str[];
14061 extern const char js_yield_str[];
14062 extern const char js_implements_str[];
14063 extern const char js_interface_str[];
14064 extern const char js_package_str[];
14065 extern const char js_private_str[];
14066 extern const char js_protected_str[];
14067 extern const char js_public_str[];
14068 extern const char js_static_str[];
14069 namespace js {
14070 enum TokenKind {
14071     TOK_ERROR = -1,
14072     TOK_EOF = 0,
14073     TOK_EOL = 1,
14074     TOK_SEMI = 2,
14075     TOK_COMMA = 3,
14076     TOK_ASSIGN = 4,
14077     TOK_HOOK = 5, TOK_COLON = 6,
14078     TOK_OR = 7,
14079     TOK_AND = 8,
14080     TOK_BITOR = 9,
14081     TOK_BITXOR = 10,
14082     TOK_BITAND = 11,
14083     TOK_EQOP = 12,
14084     TOK_RELOP = 13,
14085     TOK_SHOP = 14,
14086     TOK_PLUS = 15,
14087     TOK_MINUS = 16,
14088     TOK_STAR = 17, TOK_DIVOP = 18,
14089     TOK_UNARYOP = 19,
14090     TOK_INC = 20, TOK_DEC = 21,
14091     TOK_DOT = 22,
14092     TOK_LB = 23, TOK_RB = 24,
14093     TOK_LC = 25, TOK_RC = 26,
14094     TOK_LP = 27, TOK_RP = 28,
14095     TOK_NAME = 29,
14096     TOK_NUMBER = 30,
14097     TOK_STRING = 31,
14098     TOK_REGEXP = 32,
14099     TOK_PRIMARY = 33,
14100     TOK_FUNCTION = 34,
14101     TOK_IF = 35,
14102     TOK_ELSE = 36,
14103     TOK_SWITCH = 37,
14104     TOK_CASE = 38,
14105     TOK_DEFAULT = 39,
14106     TOK_WHILE = 40,
14107     TOK_DO = 41,
14108     TOK_FOR = 42,
14109     TOK_BREAK = 43,
14110     TOK_CONTINUE = 44,
14111     TOK_IN = 45,
14112     TOK_VAR = 46,
14113     TOK_WITH = 47,
14114     TOK_RETURN = 48,
14115     TOK_NEW = 49,
14116     TOK_DELETE = 50,
14117     TOK_DEFSHARP = 51,
14118     TOK_USESHARP = 52,
14119     TOK_TRY = 53,
14120     TOK_CATCH = 54,
14121     TOK_FINALLY = 55,
14122     TOK_THROW = 56,
14123     TOK_INSTANCEOF = 57,
14124     TOK_DEBUGGER = 58,
14125     TOK_XMLSTAGO = 59,
14126     TOK_XMLETAGO = 60,
14127     TOK_XMLPTAGC = 61,
14128     TOK_XMLTAGC = 62,
14129     TOK_XMLNAME = 63,
14130     TOK_XMLATTR = 64,
14131     TOK_XMLSPACE = 65,
14132     TOK_XMLTEXT = 66,
14133     TOK_XMLCOMMENT = 67,
14134     TOK_XMLCDATA = 68,
14135     TOK_XMLPI = 69,
14136     TOK_AT = 70,
14137     TOK_DBLCOLON = 71,
14138     TOK_ANYNAME = 72,
14139     TOK_DBLDOT = 73,
14140     TOK_FILTER = 74,
14141     TOK_XMLELEM = 75,
14142     TOK_XMLLIST = 76,
14143     TOK_YIELD = 77,
14144     TOK_ARRAYCOMP = 78,
14145     TOK_ARRAYPUSH = 79,
14146     TOK_LEXICALSCOPE = 80,
14147     TOK_LET = 81,
14148     TOK_SEQ = 82,
14149     TOK_FORHEAD = 83,
14150     TOK_ARGSBODY = 84,
14151     TOK_UPVARS = 85,
14152     TOK_RESERVED,
14153     TOK_STRICT_RESERVED,
14154     TOK_LIMIT
14155 };
14156 static inline
14157               bool
14158 TokenKindIsXML(TokenKind tt)
14159 {
14160     return tt == TOK_AT || tt == TOK_DBLCOLON || tt == TOK_ANYNAME;
14161 }
14162 static inline
14163               bool
14164 TreeTypeIsXML(TokenKind tt)
14165 {
14166     return tt == TOK_XMLCOMMENT || tt == TOK_XMLCDATA || tt == TOK_XMLPI ||
14167            tt == TOK_XMLELEM || tt == TOK_XMLLIST;
14168 }
14169 static inline
14170               bool
14171 TokenKindIsDecl(TokenKind tt)
14172 {
14173     return tt == TOK_VAR || tt == TOK_LET;
14174 }
14175 struct TokenPtr {
14176     uint32 index;
14177     uint32 lineno;
14178     bool operator==(const TokenPtr& bptr) {
14179         return index == bptr.index && lineno == bptr.lineno;
14180     }
14181     bool operator!=(const TokenPtr& bptr) {
14182         return index != bptr.index || lineno != bptr.lineno;
14183     }
14184     bool operator <(const TokenPtr& bptr) {
14185         return lineno < bptr.lineno ||
14186                (lineno == bptr.lineno && index < bptr.index);
14187     }
14188     bool operator <=(const TokenPtr& bptr) {
14189         return lineno < bptr.lineno ||
14190                (lineno == bptr.lineno && index <= bptr.index);
14191     }
14192     bool operator >(const TokenPtr& bptr) {
14193         return !(*this <= bptr);
14194     }
14195     bool operator >=(const TokenPtr& bptr) {
14196         return !(*this < bptr);
14197     }
14198 };
14199 struct TokenPos {
14200     TokenPtr begin;
14201     TokenPtr end;
14202     bool operator==(const TokenPos& bpos) {
14203         return begin == bpos.begin && end == bpos.end;
14204     }
14205     bool operator!=(const TokenPos& bpos) {
14206         return begin != bpos.begin || end != bpos.end;
14207     }
14208     bool operator <(const TokenPos& bpos) {
14209         return begin < bpos.begin;
14210     }
14211     bool operator <=(const TokenPos& bpos) {
14212         return begin <= bpos.begin;
14213     }
14214     bool operator >(const TokenPos& bpos) {
14215         return !(*this <= bpos);
14216     }
14217     bool operator >=(const TokenPos& bpos) {
14218         return !(*this < bpos);
14219     }
14220 };
14221 struct Token {
14222     TokenKind type;
14223     TokenPos pos;
14224     jschar *ptr;
14225     union {
14226         struct {
14227             JSOp op;
14228             JSAtom *atom;
14229         } s;
14230         uintN reflags;
14231         struct {
14232             JSAtom *atom2;
14233             JSAtom *atom;
14234         } p;
14235         jsdouble dval;
14236     } u;
14237 };
14238 enum TokenStreamFlags
14239 {
14240     TSF_ERROR = 0x01,
14241     TSF_EOF = 0x02,
14242     TSF_NEWLINES = 0x04,
14243     TSF_OPERAND = 0x08,
14244     TSF_UNEXPECTED_EOF = 0x10,
14245     TSF_KEYWORD_IS_NAME = 0x20,
14246     TSF_STRICT_MODE_CODE = 0x40,
14247     TSF_DIRTYLINE = 0x80,
14248     TSF_OWNFILENAME = 0x100,
14249     TSF_XMLTAGMODE = 0x200,
14250     TSF_XMLTEXTMODE = 0x400,
14251     TSF_XMLONLYMODE = 0x800,
14252     TSF_OCTAL_CHAR = 0x1000,
14253     TSF_IN_HTML_COMMENT = 0x2000
14254 };
14255 class TokenStream
14256 {
14257     static const size_t ntokens = 4;
14258     static const uintN ntokensMask = ntokens - 1;
14259   public:
14260     typedef Vector<jschar, 32> CharBuffer;
14261     TokenStream(JSContext *);
14262     bool init(const jschar *base, size_t length, const char *filename, uintN lineno,
14263               JSVersion version);
14264     void close();
14265     ~TokenStream() {}
14266     JSContext *getContext() const { return cx; }
14267     bool onCurrentLine(const TokenPos &pos) const { return lineno == pos.end.lineno; }
14268     const Token &currentToken() const { return tokens[cursor]; }
14269     const CharBuffer &getTokenbuf() const { return tokenbuf; }
14270     const char *getFilename() const { return filename; }
14271     uintN getLineno() const { return lineno; }
14272     JSVersion versionNumber() const { return VersionNumber(version); }
14273     JSVersion versionWithFlags() const { return version; }
14274     bool hasAnonFunFix() const { return VersionHasAnonFunFix(version); }
14275     bool hasXML() const { return xml || VersionShouldParseXML(versionNumber()); }
14276     void setXML(bool enabled) { xml = enabled; }
14277     void setStrictMode(bool enabled = true) { setFlag(enabled, TSF_STRICT_MODE_CODE); }
14278     void setXMLTagMode(bool enabled = true) { setFlag(enabled, TSF_XMLTAGMODE); }
14279     void setXMLOnlyMode(bool enabled = true) { setFlag(enabled, TSF_XMLONLYMODE); }
14280     void setUnexpectedEOF(bool enabled = true) { setFlag(enabled, TSF_UNEXPECTED_EOF); }
14281     void setOctalCharacterEscape(bool enabled = true) { setFlag(enabled, TSF_OCTAL_CHAR); }
14282     bool isStrictMode() { return !!(flags & TSF_STRICT_MODE_CODE); }
14283     bool isXMLTagMode() { return !!(flags & TSF_XMLTAGMODE); }
14284     bool isXMLOnlyMode() { return !!(flags & TSF_XMLONLYMODE); }
14285     bool isUnexpectedEOF() { return !!(flags & TSF_UNEXPECTED_EOF); }
14286     bool isEOF() const { return !!(flags & TSF_EOF); }
14287     bool isError() const { return !!(flags & TSF_ERROR); }
14288     bool hasOctalCharacterEscape() const { return flags & TSF_OCTAL_CHAR; }
14289     bool reportCompileErrorNumberVA(JSParseNode *pn, uintN flags, uintN errorNumber, va_list ap);
14290     void mungeCurrentToken(TokenKind newKind) { tokens[cursor].type = newKind; }
14291     void mungeCurrentToken(JSOp newOp) { tokens[cursor].u.s.op = newOp; }
14292     void mungeCurrentToken(TokenKind newKind, JSOp newOp) {
14293         mungeCurrentToken(newKind);
14294         mungeCurrentToken(newOp);
14295     }
14296   private:
14297     static JSAtom *atomize(JSContext *cx, CharBuffer &cb);
14298     class Flagger {
14299         TokenStream * const parent;
14300         uintN flags;
14301       public:
14302         Flagger(TokenStream *parent, uintN withFlags) : parent(parent), flags(withFlags) {
14303             parent->flags |= flags;
14304         }
14305         ~Flagger() { parent->flags &= ~flags; }
14306     };
14307     friend class Flagger;
14308     void setFlag(bool enabled, TokenStreamFlags flag) {
14309         if (enabled)
14310             flags |= flag;
14311         else
14312             flags &= ~flag;
14313     }
14314   public:
14315     TokenKind getToken() {
14316         while (lookahead != 0) {
14317             ((void) 0);
14318             lookahead--;
14319             cursor = (cursor + 1) & ntokensMask;
14320             TokenKind tt = currentToken().type;
14321             ((void) 0);
14322             if (tt != TOK_EOL)
14323                 return tt;
14324         }
14325         if (flags & TSF_ERROR)
14326             return TOK_ERROR;
14327         return getTokenInternal();
14328     }
14329     TokenKind getToken(uintN withFlags) {
14330         Flagger flagger(this, withFlags);
14331         return getToken();
14332     }
14333     void ungetToken() {
14334         ((void) 0);
14335         lookahead++;
14336         cursor = (cursor - 1) & ntokensMask;
14337     }
14338     TokenKind peekToken(uintN withFlags = 0) {
14339         Flagger flagger(this, withFlags);
14340         if (lookahead != 0) {
14341             ((void) 0);
14342             return tokens[(cursor + lookahead) & ntokensMask].type;
14343         }
14344         TokenKind tt = getToken();
14345         ungetToken();
14346         return tt;
14347     }
14348     TokenKind peekTokenSameLine(uintN withFlags = 0) {
14349         Flagger flagger(this, withFlags);
14350         if (!onCurrentLine(currentToken().pos))
14351             return TOK_EOL;
14352         TokenKind tt = peekToken(TSF_NEWLINES);
14353         return tt;
14354     }
14355     JSBool matchToken(TokenKind tt, uintN withFlags = 0) {
14356         Flagger flagger(this, withFlags);
14357         if (getToken() == tt)
14358             return (JSIntn)1;
14359         ungetToken();
14360         return (JSIntn)0;
14361     }
14362   private:
14363     typedef struct TokenBuf {
14364         jschar *base;
14365         jschar *limit;
14366         jschar *ptr;
14367     } TokenBuf;
14368     TokenKind getTokenInternal();
14369     int32 getChar();
14370     int32 getCharIgnoreEOL();
14371     void ungetChar(int32 c);
14372     void ungetCharIgnoreEOL(int32 c);
14373     Token *newToken(ptrdiff_t adjust);
14374     bool peekUnicodeEscape(int32 *c);
14375     bool matchUnicodeEscapeIdStart(int32 *c);
14376     bool matchUnicodeEscapeIdent(int32 *c);
14377     JSBool peekChars(intN n, jschar *cp);
14378     JSBool getXMLEntity();
14379     jschar *findEOL();
14380     JSBool matchChar(int32 expect) {
14381         int32 c = getChar();
14382         if (c == expect)
14383             return (JSIntn)1;
14384         ungetChar(c);
14385         return (JSIntn)0;
14386     }
14387     int32 peekChar() {
14388         int32 c = getChar();
14389         ungetChar(c);
14390         return c;
14391     }
14392     void skipChars(intN n) {
14393         while (--n >= 0)
14394             getChar();
14395     }
14396     JSContext * const cx;
14397     Token tokens[ntokens];
14398     uintN cursor;
14399     uintN lookahead;
14400     uintN lineno;
14401     uintN flags;
14402     jschar *linebase;
14403     jschar *prevLinebase;
14404     TokenBuf userbuf;
14405     const char *filename;
14406     JSSourceHandler listener;
14407     void *listenerData;
14408     void *listenerTSData;
14409     CharBuffer tokenbuf;
14410     bool maybeEOL[256];
14411     bool maybeStrSpecial[256];
14412     JSVersion version;
14413     bool xml;
14414 };
14415 }
14416 extern void
14417 js_CloseTokenStream(JSContext *cx, js::TokenStream *ts);
14418 extern __attribute__((visibility ("default"))) int
14419 js_fgets(char *buf, int size, FILE *file);
14420 namespace js {
14421 struct KeywordInfo {
14422     const char *chars;
14423     TokenKind tokentype;
14424     JSOp op;
14425     JSVersion version;
14426 };
14427 extern const KeywordInfo *
14428 FindKeyword(const jschar *s, size_t length);
14429 }
14430 typedef void (*JSMapKeywordFun)(const char *);
14431 extern JSBool
14432 js_IsIdentifier(JSLinearString *str);
14433 namespace js {
14434 bool
14435 ReportCompileErrorNumber(JSContext *cx, TokenStream *ts, JSParseNode *pn, uintN flags,
14436                          uintN errorNumber, ...);
14437 bool
14438 ReportStrictModeError(JSContext *cx, TokenStream *ts, JSTreeContext *tc, JSParseNode *pn,
14439                       uintN errorNumber, ...);
14440 }
14441 extern "C" {
14442 typedef enum JSParseNodeArity {
14443     PN_NULLARY,
14444     PN_UNARY,
14445     PN_BINARY,
14446     PN_TERNARY,
14447     PN_FUNC,
14448     PN_LIST,
14449     PN_NAME,
14450     PN_NAMESET
14451 } JSParseNodeArity;
14452 struct JSDefinition;
14453 namespace js {
14454 struct GlobalScope {
14455     GlobalScope(JSContext *cx, JSObject *globalObj, JSCodeGenerator *cg)
14456       : globalObj(globalObj), cg(cg), defs(ContextAllocPolicy(cx))
14457     { }
14458     struct GlobalDef {
14459         JSAtom *atom;
14460         JSFunctionBox *funbox;
14461         uint32 knownSlot;
14462         GlobalDef() { }
14463         GlobalDef(uint32 knownSlot)
14464           : atom(__null), knownSlot(knownSlot)
14465         { }
14466         GlobalDef(JSAtom *atom, JSFunctionBox *box) :
14467           atom(atom), funbox(box)
14468         { }
14469     };
14470     JSObject *globalObj;
14471     JSCodeGenerator *cg;
14472     Vector<GlobalDef, 16, ContextAllocPolicy> defs;
14473     JSAtomList names;
14474 };
14475 }
14476 struct JSParseNode {
14477     uint32 pn_type:16,
14478                         pn_op:8,
14479                         pn_arity:5,
14480                         pn_parens:1,
14481                         pn_used:1,
14482                         pn_defn:1;
14483     js::TokenPos pn_pos;
14484     int32 pn_offset;
14485     JSParseNode *pn_next;
14486     JSParseNode *pn_link;
14487     union {
14488         struct {
14489             JSParseNode *head;
14490             JSParseNode **tail;
14491             uint32 count;
14492             uint32 xflags:12,
14493                         blockid:20;
14494         } list;
14495         struct {
14496             JSParseNode *kid1;
14497             JSParseNode *kid2;
14498             JSParseNode *kid3;
14499         } ternary;
14500         struct {
14501             JSParseNode *left;
14502             JSParseNode *right;
14503             js::Value *pval;
14504             uintN iflags;
14505         } binary;
14506         struct {
14507             JSParseNode *kid;
14508             jsint num;
14509             JSBool hidden;
14510         } unary;
14511         struct {
14512             union {
14513                 JSAtom *atom;
14514                 JSFunctionBox *funbox;
14515                 JSObjectBox *objbox;
14516             };
14517             union {
14518                 JSParseNode *expr;
14519                 JSDefinition *lexdef;
14520             };
14521             js::UpvarCookie cookie;
14522             uint32 dflags:12,
14523                         blockid:20;
14524         } name;
14525         struct {
14526             JSAtomSet names;
14527             JSParseNode *tree;
14528         } nameset;
14529         struct {
14530             JSAtom *atom;
14531             JSAtom *atom2;
14532         } apair;
14533         jsdouble dval;
14534     } pn_u;
14535 protected:
14536     void inline init(js::TokenKind type, JSOp op, JSParseNodeArity arity) {
14537         pn_type = type;
14538         pn_op = op;
14539         pn_arity = arity;
14540         pn_parens = false;
14541         ((void) 0);
14542         ((void) 0);
14543         pn_next = pn_link = __null;
14544     }
14545     static JSParseNode *create(JSParseNodeArity arity, JSTreeContext *tc);
14546 public:
14547     static JSParseNode *newBinaryOrAppend(js::TokenKind tt, JSOp op, JSParseNode *left,
14548                                           JSParseNode *right, JSTreeContext *tc);
14549     JSParseNode *expr() const {
14550         ((void) 0);
14551         ((void) 0);
14552         return pn_u.name.expr;
14553     }
14554     JSDefinition *lexdef() const {
14555         ((void) 0);
14556         ((void) 0);
14557         return pn_u.name.lexdef;
14558     }
14559     JSParseNode *maybeExpr() { return pn_used ? __null : expr(); }
14560     JSDefinition *maybeLexDef() { return pn_used ? lexdef() : __null; }
14561     uintN frameLevel() const {
14562         ((void) 0);
14563         return pn_u.name.cookie.level();
14564     }
14565     uintN frameSlot() const {
14566         ((void) 0);
14567         return pn_u.name.cookie.slot();
14568     }
14569     inline bool test(uintN flag) const;
14570     bool isLet() const { return test(0x01); }
14571     bool isConst() const { return test(0x02); }
14572     bool isInitialized() const { return test(0x04); }
14573     bool isBlockChild() const { return test(0x20); }
14574     bool isPlaceholder() const { return test(0x80); }
14575     bool isDeoptimized() const { return test(0x400); }
14576     bool isAssigned() const { return test(0x08); }
14577     bool isFunArg() const { return test(0x100); }
14578     bool isClosed() const { return test(0x800); }
14579     bool isTopLevel() const { return test(0x10); }
14580     void setFunArg();
14581     void become(JSParseNode *pn2);
14582     void clear();
14583     bool isLiteral() const {
14584         return ((js::TokenKind)(this)->pn_type) == js::TOK_NUMBER ||
14585                ((js::TokenKind)(this)->pn_type) == js::TOK_STRING ||
14586                (((js::TokenKind)(this)->pn_type) == js::TOK_PRIMARY && ((JSOp)(this)->pn_op) != JSOP_THIS);
14587     }
14588     bool isStringExprStatement() const {
14589         if (((js::TokenKind)(this)->pn_type) == js::TOK_SEMI) {
14590             ((void) 0);
14591             JSParseNode *kid = pn_u.unary.kid;
14592             return kid && ((js::TokenKind)(kid)->pn_type) == js::TOK_STRING && !kid->pn_parens;
14593         }
14594         return false;
14595     }
14596     bool isEscapeFreeStringLiteral() const {
14597         ((void) 0);
14598         JSString *str = (pn_u.name.atom);
14599         return (pn_pos.begin.lineno == pn_pos.end.lineno &&
14600                 pn_pos.begin.index + str->length() + 2 == pn_pos.end.index);
14601     }
14602     bool isDirectivePrologueMember() const { return pn_u.unary.hidden; }
14603     bool isGeneratorExpr() const {
14604         if (((js::TokenKind)(this)->pn_type) == js::TOK_LP) {
14605             JSParseNode *callee = this->pn_u.list.head;
14606             if (((js::TokenKind)(callee)->pn_type) == js::TOK_FUNCTION) {
14607                 JSParseNode *body = (((js::TokenKind)(callee->pn_u.name.expr)->pn_type) == js::TOK_UPVARS)
14608                                     ? callee->pn_u.name.expr->pn_u.nameset.tree
14609                                     : callee->pn_u.name.expr;
14610                 if (((js::TokenKind)(body)->pn_type) == js::TOK_LEXICALSCOPE)
14611                     return true;
14612             }
14613         }
14614         return false;
14615     }
14616     JSParseNode *generatorExpr() const {
14617         ((void) 0);
14618         JSParseNode *callee = this->pn_u.list.head;
14619         JSParseNode *body = ((js::TokenKind)(callee->pn_u.name.expr)->pn_type) == js::TOK_UPVARS
14620             ? callee->pn_u.name.expr->pn_u.nameset.tree
14621             : callee->pn_u.name.expr;
14622         ((void) 0);
14623         return body->pn_u.name.expr;
14624     }
14625     JSParseNode *last() const {
14626         ((void) 0);
14627         ((void) 0);
14628         return (JSParseNode *)((char *)pn_u.list.tail - __builtin_offsetof (JSParseNode, pn_next));
14629     }
14630     void makeEmpty() {
14631         ((void) 0);
14632         pn_u.list.head = __null;
14633         pn_u.list.tail = &pn_u.list.head;
14634         pn_u.list.count = 0;
14635         pn_u.list.xflags = 0;
14636         pn_u.name.blockid = 0;
14637     }
14638     void initList(JSParseNode *pn) {
14639         ((void) 0);
14640         pn_u.list.head = pn;
14641         pn_u.list.tail = &pn->pn_next;
14642         pn_u.list.count = 1;
14643         pn_u.list.xflags = 0;
14644         pn_u.name.blockid = 0;
14645     }
14646     void append(JSParseNode *pn) {
14647         ((void) 0);
14648         *pn_u.list.tail = pn;
14649         pn_u.list.tail = &pn->pn_next;
14650         pn_u.list.count++;
14651     }
14652     bool getConstantValue(JSContext *cx, bool strictChecks, js::Value *vp);
14653     inline bool isConstant();
14654 };
14655 namespace js {
14656 struct NullaryNode : public JSParseNode {
14657     static inline NullaryNode *create(JSTreeContext *tc) {
14658         return (NullaryNode *)JSParseNode::create(PN_NULLARY, tc);
14659     }
14660 };
14661 struct UnaryNode : public JSParseNode {
14662     static inline UnaryNode *create(JSTreeContext *tc) {
14663         return (UnaryNode *)JSParseNode::create(PN_UNARY, tc);
14664     }
14665 };
14666 struct BinaryNode : public JSParseNode {
14667     static inline BinaryNode *create(JSTreeContext *tc) {
14668         return (BinaryNode *)JSParseNode::create(PN_BINARY, tc);
14669     }
14670 };
14671 struct TernaryNode : public JSParseNode {
14672     static inline TernaryNode *create(JSTreeContext *tc) {
14673         return (TernaryNode *)JSParseNode::create(PN_TERNARY, tc);
14674     }
14675 };
14676 struct ListNode : public JSParseNode {
14677     static inline ListNode *create(JSTreeContext *tc) {
14678         return (ListNode *)JSParseNode::create(PN_LIST, tc);
14679     }
14680 };
14681 struct FunctionNode : public JSParseNode {
14682     static inline FunctionNode *create(JSTreeContext *tc) {
14683         return (FunctionNode *)JSParseNode::create(PN_FUNC, tc);
14684     }
14685 };
14686 struct NameNode : public JSParseNode {
14687     static NameNode *create(JSAtom *atom, JSTreeContext *tc);
14688     void inline initCommon(JSTreeContext *tc);
14689 };
14690 struct NameSetNode : public JSParseNode {
14691     static inline NameSetNode *create(JSTreeContext *tc) {
14692         return (NameSetNode *)JSParseNode::create(PN_NAMESET, tc);
14693     }
14694 };
14695 struct LexicalScopeNode : public JSParseNode {
14696     static inline LexicalScopeNode *create(JSTreeContext *tc) {
14697         return (LexicalScopeNode *)JSParseNode::create(PN_NAME, tc);
14698     }
14699 };
14700 }
14701 struct JSDefinition : public JSParseNode
14702 {
14703     JSDefinition *resolve() {
14704         JSParseNode *pn = this;
14705         while (!pn->pn_defn) {
14706             if (pn->pn_type == js::TOK_ASSIGN) {
14707                 pn = pn->pn_u.binary.left;
14708                 continue;
14709             }
14710             pn = pn->lexdef();
14711         }
14712         return (JSDefinition *) pn;
14713     }
14714     bool isFreeVar() const {
14715         ((void) 0);
14716         return pn_u.name.cookie.isFree() || test(0x40);
14717     }
14718     bool isGlobal() const {
14719         ((void) 0);
14720         return test(0x40);
14721     }
14722     enum Kind { VAR, CONST, LET, FUNCTION, ARG, UNKNOWN };
14723     bool isBindingForm() { return int(kind()) <= int(LET); }
14724     static const char *kindString(Kind kind);
14725     Kind kind() {
14726         if (((js::TokenKind)(this)->pn_type) == js::TOK_FUNCTION)
14727             return FUNCTION;
14728         ((void) 0);
14729         if (((JSOp)(this)->pn_op) == JSOP_NOP)
14730             return UNKNOWN;
14731         if (((JSOp)(this)->pn_op) == JSOP_GETARG)
14732             return ARG;
14733         if (isConst())
14734             return CONST;
14735         if (isLet())
14736             return LET;
14737         return VAR;
14738     }
14739 };
14740 inline
14741        bool
14742 JSParseNode::test(uintN flag) const
14743 {
14744     ((void) 0);
14745     return !!(pn_u.name.dflags & flag);
14746 }
14747 inline void
14748 JSParseNode::setFunArg()
14749 {
14750     ((void) 0);
14751     if (pn_used)
14752         pn_u.name.lexdef->pn_u.name.dflags |= 0x100;
14753     pn_u.name.dflags |= 0x100;
14754 }
14755 struct JSObjectBox {
14756     JSObjectBox *traceLink;
14757     JSObjectBox *emitLink;
14758     JSObject *object;
14759     JSObjectBox *parent;
14760     uintN index;
14761     bool isFunctionBox;
14762 };
14763 struct JSFunctionBox : public JSObjectBox
14764 {
14765     JSParseNode *node;
14766     JSFunctionBox *siblings;
14767     JSFunctionBox *kids;
14768     JSFunctionBox *parent;
14769     JSParseNode *methods;
14770     js::Bindings bindings;
14771     uint32 queued:1,
14772                         inLoop:1,
14773                         level:14;
14774     uint32 tcflags;
14775     bool joinable() const;
14776     bool inAnyDynamicScope() const;
14777     bool shouldUnbrand(uintN methods, uintN slowMethods) const;
14778 };
14779 struct JSFunctionBoxQueue {
14780     JSFunctionBox **vector;
14781     size_t head, tail;
14782     size_t lengthMask;
14783     size_t count() { return head - tail; }
14784     size_t length() { return lengthMask + 1; }
14785     JSFunctionBoxQueue()
14786       : vector(__null), head(0), tail(0), lengthMask(0) { }
14787     bool init(uint32 count) {
14788         lengthMask = (((JSUint32)1 << (JS_CeilingLog2(count))) - 1);
14789         vector = js_array_new<JSFunctionBox*>(length());
14790         return !!vector;
14791     }
14792     ~JSFunctionBoxQueue() { js_array_delete(vector); }
14793     void push(JSFunctionBox *funbox) {
14794         if (!funbox->queued) {
14795             ((void) 0);
14796             vector[head++ & lengthMask] = funbox;
14797             funbox->queued = true;
14798         }
14799     }
14800     JSFunctionBox *pull() {
14801         if (tail == head)
14802             return __null;
14803         ((void) 0);
14804         JSFunctionBox *funbox = vector[tail++ & lengthMask];
14805         funbox->queued = false;
14806         return funbox;
14807     }
14808 };
14809 typedef struct BindData BindData;
14810 namespace js {
14811 struct Parser : private js::AutoGCRooter
14812 {
14813     JSContext * const context;
14814     JSAtomListElement *aleFreeList;
14815     void *tempFreeList[6U];
14816     TokenStream tokenStream;
14817     void *tempPoolMark;
14818     JSPrincipals *principals;
14819     JSStackFrame *const callerFrame;
14820     JSObject *const callerVarObj;
14821     JSParseNode *nodeList;
14822     uint32 functionCount;
14823     JSObjectBox *traceListHead;
14824     JSTreeContext *tc;
14825     js::AutoKeepAtoms keepAtoms;
14826     Parser(JSContext *cx, JSPrincipals *prin = __null, JSStackFrame *cfp = __null);
14827     ~Parser();
14828     friend void js::AutoGCRooter::trace(JSTracer *trc);
14829     friend struct ::JSTreeContext;
14830     friend struct Compiler;
14831     bool init(const jschar *base, size_t length, const char *filename, uintN lineno,
14832               JSVersion version);
14833     void setPrincipals(JSPrincipals *prin);
14834     const char *getFilename() const { return tokenStream.getFilename(); }
14835     JSVersion versionWithFlags() const { return tokenStream.versionWithFlags(); }
14836     JSVersion versionNumber() const { return tokenStream.versionNumber(); }
14837     bool hasXML() const { return tokenStream.hasXML(); }
14838     bool hasAnonFunFix() const { return tokenStream.hasAnonFunFix(); }
14839     JSParseNode *parse(JSObject *chain);
14840     JSParseNode *parseXMLText(JSObject *chain, bool allowList);
14841     JSObjectBox *newObjectBox(JSObject *obj);
14842     JSFunctionBox *newFunctionBox(JSObject *obj, JSParseNode *fn, JSTreeContext *tc);
14843     JSFunction *newFunction(JSTreeContext *tc, JSAtom *atom, uintN lambda);
14844     bool analyzeFunctions(JSTreeContext *tc);
14845     void cleanFunctionList(JSFunctionBox **funbox);
14846     bool markFunArgs(JSFunctionBox *funbox);
14847     void setFunctionKinds(JSFunctionBox *funbox, uint32 *tcflags);
14848     void trace(JSTracer *trc);
14849     inline bool reportErrorNumber(JSParseNode *pn, uintN flags, uintN errorNumber, ...);
14850 private:
14851     JSParseNode *functionStmt();
14852     JSParseNode *functionExpr();
14853     JSParseNode *statements();
14854     JSParseNode *statement();
14855     JSParseNode *switchStatement();
14856     JSParseNode *forStatement();
14857     JSParseNode *tryStatement();
14858     JSParseNode *withStatement();
14859     JSParseNode *letStatement();
14860     JSParseNode *expressionStatement();
14861     JSParseNode *variables(bool inLetHead);
14862     JSParseNode *expr();
14863     JSParseNode *assignExpr();
14864     JSParseNode *condExpr();
14865     JSParseNode *orExpr();
14866     JSParseNode *andExpr();
14867     JSParseNode *bitOrExpr();
14868     JSParseNode *bitXorExpr();
14869     JSParseNode *bitAndExpr();
14870     JSParseNode *eqExpr();
14871     JSParseNode *relExpr();
14872     JSParseNode *shiftExpr();
14873     JSParseNode *addExpr();
14874     JSParseNode *mulExpr();
14875     JSParseNode *unaryExpr();
14876     JSParseNode *memberExpr(JSBool allowCallSyntax);
14877     JSParseNode *primaryExpr(js::TokenKind tt, JSBool afterDot);
14878     JSParseNode *parenExpr(JSBool *genexp = __null);
14879     bool recognizeDirectivePrologue(JSParseNode *pn, bool *isDirectivePrologueMember);
14880     enum FunctionType { GETTER, SETTER, GENERAL };
14881     bool functionArguments(JSTreeContext &funtc, JSFunctionBox *funbox, JSParseNode **list);
14882     JSParseNode *functionBody();
14883     JSParseNode *functionDef(JSAtom *name, FunctionType type, uintN lambda);
14884     JSParseNode *condition();
14885     JSParseNode *comprehensionTail(JSParseNode *kid, uintN blockid,
14886                                    js::TokenKind type = js::TOK_SEMI, JSOp op = JSOP_NOP);
14887     JSParseNode *generatorExpr(JSParseNode *kid);
14888     JSBool argumentList(JSParseNode *listNode);
14889     JSParseNode *bracketedExpr();
14890     JSParseNode *letBlock(JSBool statement);
14891     JSParseNode *returnOrYield(bool useAssignExpr);
14892     JSParseNode *destructuringExpr(BindData *data, js::TokenKind tt);
14893     JSParseNode *endBracketedExpr();
14894     JSParseNode *propertySelector();
14895     JSParseNode *qualifiedSuffix(JSParseNode *pn);
14896     JSParseNode *qualifiedIdentifier();
14897     JSParseNode *attributeIdentifier();
14898     JSParseNode *xmlExpr(JSBool inTag);
14899     JSParseNode *xmlAtomNode();
14900     JSParseNode *xmlNameExpr();
14901     JSParseNode *xmlTagContent(js::TokenKind tagtype, JSAtom **namep);
14902     JSBool xmlElementContent(JSParseNode *pn);
14903     JSParseNode *xmlElementOrList(JSBool allowList);
14904     JSParseNode *xmlElementOrListRoot(JSBool allowList);
14905 };
14906 inline
14907        bool
14908 Parser::reportErrorNumber(JSParseNode *pn, uintN flags, uintN errorNumber, ...)
14909 {
14910     va_list args;
14911     __builtin_va_start(args,errorNumber);
14912     bool result = tokenStream.reportCompileErrorNumberVA(pn, flags, errorNumber, args);
14913     __builtin_va_end(args);
14914     return result;
14915 }
14916 struct Compiler
14917 {
14918     Parser parser;
14919     GlobalScope *globalScope;
14920     Compiler(JSContext *cx, JSPrincipals *prin = __null, JSStackFrame *cfp = __null);
14921     inline
14922
14923
14924            bool
14925     init(const jschar *base, size_t length, const char *filename, uintN lineno, JSVersion version)
14926     {
14927         return parser.init(base, length, filename, lineno, version);
14928     }
14929     static
14930
14931
14932            bool
14933     compileFunctionBody(JSContext *cx, JSFunction *fun, JSPrincipals *principals,
14934                         js::Bindings *bindings, const jschar *chars, size_t length,
14935                         const char *filename, uintN lineno, JSVersion version);
14936     static JSScript *
14937     compileScript(JSContext *cx, JSObject *scopeChain, JSStackFrame *callerFrame,
14938                   JSPrincipals *principals, uint32 tcflags,
14939                   const jschar *chars, size_t length,
14940                   const char *filename, uintN lineno, JSVersion version,
14941                   JSString *source = __null, uintN staticLevel = 0);
14942   private:
14943     static bool defineGlobals(JSContext *cx, GlobalScope &globalScope, JSScript *script);
14944 };
14945 }
14946 extern JSBool
14947 js_FoldConstants(JSContext *cx, JSParseNode *pn, JSTreeContext *tc,
14948                  bool inCond = false);
14949 }
14950 extern const char js_AnyName_str[];
14951 extern const char js_AttributeName_str[];
14952 extern const char js_isXMLName_str[];
14953 extern const char js_XMLList_str[];
14954 extern const char js_amp_entity_str[];
14955 extern const char js_gt_entity_str[];
14956 extern const char js_lt_entity_str[];
14957 extern const char js_quot_entity_str[];
14958 typedef JSBool
14959 (* JSIdentityOp)(const void *a, const void *b);
14960 struct JSXMLArray {
14961     uint32 length;
14962     uint32 capacity;
14963     void **vector;
14964     JSXMLArrayCursor *cursors;
14965     void init() {
14966         length = capacity = 0;
14967         vector = __null;
14968         cursors = __null;
14969     }
14970     void finish(JSContext *cx);
14971     bool setCapacity(JSContext *cx, uint32 capacity);
14972     void trim();
14973 };
14974 struct JSXMLArrayCursor
14975 {
14976     JSXMLArray *array;
14977     uint32 index;
14978     JSXMLArrayCursor *next;
14979     JSXMLArrayCursor **prevp;
14980     void *root;
14981     JSXMLArrayCursor(JSXMLArray *array)
14982       : array(array), index(0), next(array->cursors), prevp(&array->cursors),
14983         root(__null)
14984     {
14985         if (next)
14986             next->prevp = &next;
14987         array->cursors = this;
14988     }
14989     ~JSXMLArrayCursor() { disconnect(); }
14990     void disconnect() {
14991         if (!array)
14992             return;
14993         if (next)
14994             next->prevp = prevp;
14995         *prevp = next;
14996         array = __null;
14997     }
14998     void *getNext() {
14999         if (!array || index >= array->length)
15000             return __null;
15001         return root = array->vector[index++];
15002     }
15003     void *getCurrent() {
15004         if (!array || index >= array->length)
15005             return __null;
15006         return root = array->vector[index];
15007     }
15008     void trace(JSTracer *trc);
15009 };
15010 typedef enum JSXMLClass {
15011     JSXML_CLASS_LIST,
15012     JSXML_CLASS_ELEMENT,
15013     JSXML_CLASS_ATTRIBUTE,
15014     JSXML_CLASS_PROCESSING_INSTRUCTION,
15015     JSXML_CLASS_TEXT,
15016     JSXML_CLASS_COMMENT,
15017     JSXML_CLASS_LIMIT
15018 } JSXMLClass;
15019 typedef struct JSXMLListVar {
15020     JSXMLArray kids;
15021     JSXML *target;
15022     JSObject *targetprop;
15023 } JSXMLListVar;
15024 typedef struct JSXMLElemVar {
15025     JSXMLArray kids;
15026     JSXMLArray namespaces;
15027     JSXMLArray attrs;
15028 } JSXMLElemVar;
15029 struct JSXML : js::gc::Cell {
15030     JSObject *object;
15031     void *domnode;
15032     JSXML *parent;
15033     JSObject *name;
15034     uint32 xml_class;
15035     uint32 xml_flags;
15036     union {
15037         JSXMLListVar list;
15038         JSXMLElemVar elem;
15039         JSString *value;
15040     } u;
15041     void finalize(JSContext *cx) {
15042         if ((((this)->xml_class) < JSXML_CLASS_ATTRIBUTE)) {
15043             u.list.kids.finish(cx);
15044             if (xml_class == JSXML_CLASS_ELEMENT) {
15045                 u.elem.namespaces.finish(cx);
15046                 u.elem.attrs.finish(cx);
15047             }
15048         }
15049     }
15050 };
15051 extern JSXML *
15052 js_NewXML(JSContext *cx, JSXMLClass xml_class);
15053 extern void
15054 js_TraceXML(JSTracer *trc, JSXML *xml);
15055 extern JSObject *
15056 js_NewXMLObject(JSContext *cx, JSXMLClass xml_class);
15057 extern JSObject *
15058 js_GetXMLObject(JSContext *cx, JSXML *xml);
15059 extern __attribute__((visibility ("default"))) js::Class js_XMLClass;
15060 extern __attribute__((visibility ("default"))) js::Class js_NamespaceClass;
15061 extern __attribute__((visibility ("default"))) js::Class js_QNameClass;
15062 extern __attribute__((visibility ("default"))) js::Class js_AttributeNameClass;
15063 extern __attribute__((visibility ("default"))) js::Class js_AnyNameClass;
15064 extern js::Class js_XMLFilterClass;
15065 inline
15066        bool
15067 JSObject::isXML() const
15068 {
15069     return getClass() == &js_XMLClass;
15070 }
15071 inline
15072        bool
15073 JSObject::isXMLId() const
15074 {
15075     js::Class *clasp = getClass();
15076     return clasp == &js_QNameClass ||
15077            clasp == &js_AttributeNameClass ||
15078            clasp == &js_AnyNameClass;
15079 }
15080 inline
15081        bool
15082 JSObject::isNamespace() const
15083 {
15084     return getClass() == &js_NamespaceClass;
15085 }
15086 inline
15087        bool
15088 JSObject::isQName() const
15089 {
15090     js::Class* clasp = getClass();
15091     return clasp == &js_QNameClass ||
15092            clasp == &js_AttributeNameClass ||
15093            clasp == &js_AnyNameClass;
15094 }
15095 static inline
15096               bool
15097 IsXML(const js::Value &v)
15098 {
15099     return v.isObject() && v.toObject().isXML();
15100 }
15101 extern JSObject *
15102 js_InitNamespaceClass(JSContext *cx, JSObject *obj);
15103 extern JSObject *
15104 js_InitQNameClass(JSContext *cx, JSObject *obj);
15105 extern JSObject *
15106 js_InitXMLClass(JSContext *cx, JSObject *obj);
15107 extern JSObject *
15108 js_InitXMLClasses(JSContext *cx, JSObject *obj);
15109 extern JSBool
15110 js_GetFunctionNamespace(JSContext *cx, js::Value *vp);
15111 JSBool
15112 js_IsFunctionQName(JSContext *cx, JSObject *obj, jsid *funidp);
15113 extern JSBool
15114 js_GetDefaultXMLNamespace(JSContext *cx, jsval *vp);
15115 extern JSBool
15116 js_SetDefaultXMLNamespace(JSContext *cx, const js::Value &v);
15117 extern JSBool
15118 js_IsXMLName(JSContext *cx, jsval v);
15119 extern JSBool
15120 js_ToAttributeName(JSContext *cx, js::Value *vp);
15121 extern JSFlatString *
15122 js_EscapeAttributeValue(JSContext *cx, JSString *str, JSBool quote);
15123 extern JSString *
15124 js_AddAttributePart(JSContext *cx, JSBool isName, JSString *str,
15125                     JSString *str2);
15126 extern JSFlatString *
15127 js_EscapeElementValue(JSContext *cx, JSString *str);
15128 extern JSString *
15129 js_ValueToXMLString(JSContext *cx, const js::Value &v);
15130 extern JSObject *
15131 js_ConstructXMLQNameObject(JSContext *cx, const js::Value & nsval,
15132                            const js::Value & lnval);
15133 extern JSBool
15134 js_GetAnyName(JSContext *cx, jsid *idp);
15135 extern JSBool
15136 js_FindXMLProperty(JSContext *cx, const js::Value &nameval, JSObject **objp, jsid *idp);
15137 extern JSBool
15138 js_GetXMLMethod(JSContext *cx, JSObject *obj, jsid id, js::Value *vp);
15139 extern JSBool
15140 js_GetXMLDescendants(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
15141 extern JSBool
15142 js_DeleteXMLListElements(JSContext *cx, JSObject *listobj);
15143 extern JSBool
15144 js_StepXMLListFilter(JSContext *cx, JSBool initialized);
15145 extern JSObject *
15146 js_ValueToXMLObject(JSContext *cx, const js::Value &v);
15147 extern JSObject *
15148 js_ValueToXMLListObject(JSContext *cx, const js::Value &v);
15149 extern JSObject *
15150 js_NewXMLSpecialObject(JSContext *cx, JSXMLClass xml_class, JSString *name,
15151                        JSString *value);
15152 extern JSString *
15153 js_MakeXMLCDATAString(JSContext *cx, JSString *str);
15154 extern JSString *
15155 js_MakeXMLCommentString(JSContext *cx, JSString *str);
15156 extern JSString *
15157 js_MakeXMLPIString(JSContext *cx, JSString *name, JSString *str);
15158 extern JSBool
15159 js_TestXMLEquality(JSContext *cx, const js::Value &v1, const js::Value &v2,
15160                    JSBool *bp);
15161 extern JSBool
15162 js_ConcatenateXML(JSContext *cx, JSObject *obj1, JSObject *obj2, js::Value *vp);
15163 namespace JSC {
15164 class ExecutableAllocator;
15165 }
15166 namespace js {
15167 typedef HashMap<jsbytecode*,
15168                 size_t,
15169                 DefaultHasher<jsbytecode*>,
15170                 SystemAllocPolicy> RecordAttemptMap;
15171 typedef HashMap<jsbytecode*,
15172                 LoopProfile*,
15173                 DefaultHasher<jsbytecode*>,
15174                 SystemAllocPolicy> LoopProfileMap;
15175 class Oracle;
15176 typedef HashSet<JSScript *,
15177                 DefaultHasher<JSScript *>,
15178                 SystemAllocPolicy> TracedScriptSet;
15179 typedef HashMap<JSFunction *,
15180                 JSString *,
15181                 DefaultHasher<JSFunction *>,
15182                 SystemAllocPolicy> ToSourceCache;
15183 struct TraceMonitor;
15184 struct TracerState
15185 {
15186     JSContext* cx;
15187     TraceMonitor* traceMonitor;
15188     double* stackBase;
15189     double* sp;
15190     double* eos;
15191     FrameInfo** callstackBase;
15192     void* sor;
15193     FrameInfo** rp;
15194     void* eor;
15195     VMSideExit* lastTreeExitGuard;
15196     VMSideExit* lastTreeCallGuard;
15197     void* rpAtLastTreeCall;
15198     VMSideExit* outermostTreeExitGuard;
15199     TreeFragment* outermostTree;
15200     uintN* inlineCallCountp;
15201     VMSideExit** innermostNestedGuardp;
15202     VMSideExit* innermost;
15203     uint64 startTime;
15204     TracerState* prev;
15205     uint32 builtinStatus;
15206     double* deepBailSp;
15207     uintN nativeVpLen;
15208     js::Value* nativeVp;
15209     TracerState(JSContext *cx, TraceMonitor *tm, TreeFragment *ti,
15210                 uintN &inlineCallCountp, VMSideExit** innermostNestedGuardp);
15211     ~TracerState();
15212 };
15213 struct TraceNativeStorage
15214 {
15215     double stack_global_buf[MAX_NATIVE_STACK_SLOTS + GLOBAL_SLOTS_BUFFER_SIZE];
15216     FrameInfo *callstack_buf[MAX_CALL_STACK_ENTRIES];
15217     double *stack() { return stack_global_buf; }
15218     double *global() { return stack_global_buf + MAX_NATIVE_STACK_SLOTS; }
15219     FrameInfo **callstack() { return callstack_buf; }
15220 };
15221 struct GlobalState {
15222     JSObject* globalObj;
15223     uint32 globalShape;
15224     SlotList* globalSlots;
15225 };
15226 struct TraceMonitor {
15227     JSContext *tracecx;
15228     js::TracerState *tracerState;
15229     js::VMSideExit *bailExit;
15230     unsigned iterationCounter;
15231     TraceNativeStorage *storage;
15232     VMAllocator* dataAlloc;
15233     VMAllocator* traceAlloc;
15234     VMAllocator* tempAlloc;
15235     nanojit::CodeAlloc* codeAlloc;
15236     nanojit::Assembler* assembler;
15237     FrameInfoCache* frameCache;
15238     uintN flushEpoch;
15239     Oracle* oracle;
15240     TraceRecorder* recorder;
15241     LoopProfile* profile;
15242     GlobalState globalStates[MONITOR_N_GLOBAL_STATES];
15243     TreeFragment *vmfragments[FRAGMENT_TABLE_SIZE];
15244     RecordAttemptMap* recordAttempts;
15245     LoopProfileMap* loopProfiles;
15246     uint32 maxCodeCacheBytes;
15247     JSBool needFlush;
15248     TypeMap* cachedTempTypeMap;
15249     TracedScriptSet tracedScripts;
15250     bool ontrace() const {
15251         return !!tracecx;
15252     }
15253     void flush();
15254     void sweep(JSContext *cx);
15255     void mark(JSTracer *trc);
15256     bool outOfMemory() const;
15257 };
15258 namespace mjit {
15259 class JaegerCompartment;
15260 }
15261 }
15262 namespace js {
15263 class NativeIterCache {
15264     static const size_t SIZE = size_t(1) << 8;
15265     JSObject *data[SIZE];
15266     static size_t getIndex(uint32 key) {
15267         return size_t(key) % SIZE;
15268     }
15269   public:
15270     JSObject *last;
15271     NativeIterCache()
15272       : last(__null) {
15273         PodArrayZero(data);
15274     }
15275     void purge() {
15276         PodArrayZero(data);
15277         last = __null;
15278     }
15279     JSObject *get(uint32 key) const {
15280         return data[getIndex(key)];
15281     }
15282     void set(uint32 key, JSObject *iterobj) {
15283         data[getIndex(key)] = iterobj;
15284     }
15285 };
15286 class DtoaCache {
15287     double d;
15288     jsint base;
15289     JSString *s;
15290   public:
15291     DtoaCache() : s(__null) {}
15292     void purge() { s = __null; }
15293     JSString *lookup(jsint base, double d) {
15294         return this->s && base == this->base && d == this->d ? this->s : __null;
15295     }
15296     void cache(jsint base, double d, JSString *s) {
15297         this->base = base;
15298         this->d = d;
15299         this->s = s;
15300     }
15301 };
15302 }
15303 struct __attribute__((visibility ("default"))) JSCompartment {
15304     JSRuntime *rt;
15305     JSPrincipals *principals;
15306     js::gc::Chunk *chunk;
15307     js::gc::ArenaList arenas[js::gc::FINALIZE_LIMIT];
15308     js::gc::FreeLists freeLists;
15309     size_t gcBytes;
15310     size_t gcTriggerBytes;
15311     size_t gcLastBytes;
15312     JSScript *scriptsToGC[((JSUint32)1 << (6))];
15313     void *data;
15314     bool active;
15315     js::WrapperMap crossCompartmentWrappers;
15316     js::PropertyTree propertyTree;
15317     js::EmptyShape *emptyArgumentsShape;
15318     js::EmptyShape *emptyBlockShape;
15319     js::EmptyShape *emptyCallShape;
15320     js::EmptyShape *emptyDeclEnvShape;
15321     js::EmptyShape *emptyEnumeratorShape;
15322     js::EmptyShape *emptyWithShape;
15323     typedef js::HashSet<js::EmptyShape *,
15324                         js::DefaultHasher<js::EmptyShape *>,
15325                         js::SystemAllocPolicy> EmptyShapeSet;
15326     EmptyShapeSet emptyShapes;
15327     bool debugMode;
15328     JSCList scripts;
15329     JSC::ExecutableAllocator *regExpAllocator;
15330     js::NativeIterCache nativeIterCache;
15331     js::ToSourceCache toSourceCache;
15332     JSCompartment(JSRuntime *rt);
15333     ~JSCompartment();
15334     bool init();
15335     void markCrossCompartment(JSTracer *trc);
15336     void mark(JSTracer *trc);
15337     bool wrap(JSContext *cx, js::Value *vp);
15338     bool wrap(JSContext *cx, JSString **strp);
15339     bool wrap(JSContext *cx, JSObject **objp);
15340     bool wrapId(JSContext *cx, jsid *idp);
15341     bool wrap(JSContext *cx, js::PropertyOp *op);
15342     bool wrap(JSContext *cx, js::StrictPropertyOp *op);
15343     bool wrap(JSContext *cx, js::PropertyDescriptor *desc);
15344     bool wrap(JSContext *cx, js::AutoIdVector &props);
15345     void sweep(JSContext *cx, uint32 releaseInterval);
15346     void purge(JSContext *cx);
15347     void finishArenaLists();
15348     void finalizeObjectArenaLists(JSContext *cx);
15349     void finalizeStringArenaLists(JSContext *cx);
15350     bool arenaListsAreEmpty();
15351     void setGCLastBytes(size_t lastBytes);
15352     js::DtoaCache dtoaCache;
15353   private:
15354     js::MathCache *mathCache;
15355     js::MathCache *allocMathCache(JSContext *cx);
15356     bool marked;
15357     typedef js::HashMap<jsbytecode*,
15358                         size_t,
15359                         js::DefaultHasher<jsbytecode*>,
15360                         js::SystemAllocPolicy> BackEdgeMap;
15361     BackEdgeMap backEdgeTable;
15362     JSCompartment *thisForCtor() { return this; }
15363   public:
15364     js::MathCache *getMathCache(JSContext *cx) {
15365         return mathCache ? mathCache : allocMathCache(cx);
15366     }
15367     bool isMarked() { return marked; }
15368     void clearMark() { marked = false; }
15369     size_t backEdgeCount(jsbytecode *pc) const;
15370     size_t incBackEdgeCount(jsbytecode *pc);
15371 };
15372 static inline
15373               bool
15374 JS_ON_TRACE(JSContext *cx)
15375 {
15376     return false;
15377 }
15378 static inline js::TraceRecorder *
15379 TRACE_RECORDER(JSContext *cx)
15380 {
15381     return __null;
15382 }
15383 static inline js::LoopProfile *
15384 TRACE_PROFILER(JSContext *cx)
15385 {
15386     return __null;
15387 }
15388 namespace js {
15389 static inline MathCache *
15390 GetMathCache(JSContext *cx)
15391 {
15392     return cx->compartment->getMathCache(cx);
15393 }
15394 }
15395 namespace js {
15396 class PreserveCompartment {
15397   protected:
15398     JSContext *cx;
15399   private:
15400     JSCompartment *oldCompartment;
15401
15402   public:
15403      PreserveCompartment(JSContext *cx ) : cx(cx) {
15404         do { } while (0);
15405         oldCompartment = cx->compartment;
15406     }
15407     ~PreserveCompartment() {
15408         cx->compartment = oldCompartment;
15409     }
15410 };
15411 class SwitchToCompartment : public PreserveCompartment {
15412   public:
15413     SwitchToCompartment(JSContext *cx, JSCompartment *newCompartment) : PreserveCompartment(cx) {
15414         cx->compartment = newCompartment;
15415     }
15416     SwitchToCompartment(JSContext *cx, JSObject *target) : PreserveCompartment(cx) {
15417         cx->compartment = target->getCompartment();
15418     }
15419 };
15420 class AssertCompartmentUnchanged {
15421   protected:
15422     JSContext * const cx;
15423     JSCompartment * const oldCompartment;
15424
15425   public:
15426      AssertCompartmentUnchanged(JSContext *cx )
15427      : cx(cx), oldCompartment(cx->compartment) {
15428         do { } while (0);
15429     }
15430     ~AssertCompartmentUnchanged() {
15431         ((void) 0);
15432     }
15433 };
15434 }
15435 extern js::Class js_RegExpClass;
15436 namespace js {
15437 class RegExpStatics
15438 {
15439     typedef Vector<int, 20, SystemAllocPolicy> MatchPairs;
15440     MatchPairs matchPairs;
15441     JSLinearString *matchPairsInput;
15442     JSString *pendingInput;
15443     uintN flags;
15444     RegExpStatics *bufferLink;
15445     bool copied;
15446     bool createDependent(JSContext *cx, size_t start, size_t end, Value *out) const;
15447     void copyTo(RegExpStatics &dst) {
15448         dst.matchPairs.clear();
15449         ((void) (dst.matchPairs.append(matchPairs)));
15450         dst.matchPairsInput = matchPairsInput;
15451         dst.pendingInput = pendingInput;
15452         dst.flags = flags;
15453     }
15454     void aboutToWrite() {
15455         if (bufferLink && !bufferLink->copied) {
15456             copyTo(*bufferLink);
15457             bufferLink->copied = true;
15458         }
15459     }
15460     bool save(JSContext *cx, RegExpStatics *buffer) {
15461         ((void) 0);
15462         buffer->bufferLink = bufferLink;
15463         bufferLink = buffer;
15464         if (!buffer->matchPairs.reserve(matchPairs.length())) {
15465             js_ReportOutOfMemory(cx);
15466             return false;
15467         }
15468         return true;
15469     }
15470     void restore() {
15471         if (bufferLink->copied)
15472             bufferLink->copyTo(*this);
15473         bufferLink = bufferLink->bufferLink;
15474     }
15475     void checkInvariants() {
15476     }
15477     void checkParenNum(size_t pairNum) const {
15478         ((void) 0);
15479         ((void) 0);
15480     }
15481     bool pairIsPresent(size_t pairNum) const {
15482         return get(pairNum, 0) >= 0;
15483     }
15484     size_t getParenLength(size_t pairNum) const {
15485         checkParenNum(pairNum);
15486         ((void) 0);
15487         return get(pairNum, 1) - get(pairNum, 0);
15488     }
15489     int get(size_t pairNum, bool which) const {
15490         ((void) 0);
15491         return matchPairs[2 * pairNum + which];
15492     }
15493     bool makeMatch(JSContext *cx, size_t checkValidIndex, size_t pairNum, Value *out) const;
15494     static const uintN allFlags = 0x01 | 0x02 | 0x08 | 0x04;
15495     struct InitBuffer {};
15496     explicit RegExpStatics(InitBuffer) : bufferLink(__null), copied(false) {}
15497     friend class PreserveRegExpStatics;
15498   public:
15499     RegExpStatics() : bufferLink(__null), copied(false) { clear(); }
15500     static RegExpStatics *extractFrom(JSObject *global);
15501     bool updateFromMatch(JSContext *cx, JSLinearString *input, int *buf, size_t matchItemCount) {
15502         aboutToWrite();
15503         pendingInput = input;
15504         if (!matchPairs.resizeUninitialized(matchItemCount)) {
15505             js_ReportOutOfMemory(cx);
15506             return false;
15507         }
15508         for (size_t i = 0; i < matchItemCount; ++i)
15509             matchPairs[i] = buf[i];
15510         matchPairsInput = input;
15511         return true;
15512     }
15513     void setMultiline(bool enabled) {
15514         aboutToWrite();
15515         if (enabled)
15516             flags = flags | 0x04;
15517         else
15518             flags = flags & ~0x04;
15519     }
15520     void clear() {
15521         aboutToWrite();
15522         flags = 0;
15523         pendingInput = __null;
15524         matchPairsInput = __null;
15525         matchPairs.clear();
15526     }
15527     void reset(JSString *newInput, bool newMultiline) {
15528         aboutToWrite();
15529         clear();
15530         pendingInput = newInput;
15531         setMultiline(newMultiline);
15532         checkInvariants();
15533     }
15534     void setPendingInput(JSString *newInput) {
15535         aboutToWrite();
15536         pendingInput = newInput;
15537     }
15538   private:
15539     size_t pairCount() const {
15540         ((void) 0);
15541         return matchPairs.length() / 2;
15542     }
15543   public:
15544     size_t parenCount() const {
15545         size_t pc = pairCount();
15546         ((void) 0);
15547         return pc - 1;
15548     }
15549     JSString *getPendingInput() const { return pendingInput; }
15550     uintN getFlags() const { return flags; }
15551     bool multiline() const { return flags & 0x04; }
15552     size_t matchStart() const {
15553         int start = get(0, 0);
15554         ((void) 0);
15555         return size_t(start);
15556     }
15557     size_t matchLimit() const {
15558         int limit = get(0, 1);
15559         ((void) 0);
15560         return size_t(limit);
15561     }
15562     bool matched() const {
15563         ((void) 0);
15564         ((void) 0);
15565         return get(0, 1) - get(0, 0) > 0;
15566     }
15567     void mark(JSTracer *trc) const {
15568         if (pendingInput)
15569             do { JSString *str_ = (pendingInput); ((void) 0); do { do { } while (0); JS_CallTracer(((trc)), (str_), (1)); } while (0); } while (0);
15570         if (matchPairsInput)
15571             do { JSString *str_ = (matchPairsInput); ((void) 0); do { do { } while (0); JS_CallTracer(((trc)), (str_), (1)); } while (0); } while (0);
15572     }
15573     bool createPendingInput(JSContext *cx, Value *out) const;
15574     bool createLastMatch(JSContext *cx, Value *out) const { return makeMatch(cx, 0, 0, out); }
15575     bool createLastParen(JSContext *cx, Value *out) const;
15576     bool createLeftContext(JSContext *cx, Value *out) const;
15577     bool createRightContext(JSContext *cx, Value *out) const;
15578     bool createParen(JSContext *cx, size_t pairNum, Value *out) const {
15579         ((void) 0);
15580         if (pairNum >= pairCount()) {
15581             out->setString(cx->runtime->emptyString);
15582             return true;
15583         }
15584         return makeMatch(cx, pairNum * 2, pairNum, out);
15585     }
15586     void getParen(size_t pairNum, JSSubString *out) const;
15587     void getLastMatch(JSSubString *out) const;
15588     void getLastParen(JSSubString *out) const;
15589     void getLeftContext(JSSubString *out) const;
15590     void getRightContext(JSSubString *out) const;
15591 };
15592 class PreserveRegExpStatics
15593 {
15594     RegExpStatics *const original;
15595     RegExpStatics buffer;
15596   public:
15597     explicit PreserveRegExpStatics(RegExpStatics *original)
15598      : original(original),
15599        buffer(RegExpStatics::InitBuffer())
15600     {}
15601     bool init(JSContext *cx) {
15602         return original->save(cx, &buffer);
15603     }
15604     ~PreserveRegExpStatics() {
15605         original->restore();
15606     }
15607 };
15608 }
15609 static inline
15610               bool
15611 VALUE_IS_REGEXP(JSContext *cx, js::Value v)
15612 {
15613     return !v.isPrimitive() && v.toObject().isRegExp();
15614 }
15615 inline const js::Value &
15616 JSObject::getRegExpLastIndex() const
15617 {
15618     ((void) 0);
15619     return getSlot(JSSLOT_REGEXP_LAST_INDEX);
15620 }
15621 inline void
15622 JSObject::setRegExpLastIndex(const js::Value &v)
15623 {
15624     ((void) 0);
15625     setSlot(JSSLOT_REGEXP_LAST_INDEX, v);
15626 }
15627 inline void
15628 JSObject::setRegExpLastIndex(jsdouble d)
15629 {
15630     ((void) 0);
15631     setSlot(JSSLOT_REGEXP_LAST_INDEX, js::NumberValue(d));
15632 }
15633 inline void
15634 JSObject::zeroRegExpLastIndex()
15635 {
15636     ((void) 0);
15637     getSlotRef(JSSLOT_REGEXP_LAST_INDEX).setInt32(0);
15638 }
15639 namespace js { class AutoStringRooter; }
15640 inline
15641        bool
15642 JSObject::isRegExp() const
15643 {
15644     return getClass() == &js_RegExpClass;
15645 }
15646 extern __attribute__((visibility ("default"))) JSBool
15647 js_ObjectIsRegExp(JSObject *obj);
15648 extern JSObject *
15649 js_InitRegExpClass(JSContext *cx, JSObject *obj);
15650 extern JSBool
15651 js_regexp_toString(JSContext *cx, JSObject *obj, js::Value *vp);
15652 extern __attribute__((visibility ("default"))) JSObject *
15653 js_CloneRegExpObject(JSContext *cx, JSObject *obj, JSObject *proto);
15654 extern __attribute__((visibility ("default"))) void
15655 js_SaveAndClearRegExpStatics(JSContext *cx, js::RegExpStatics *res, js::AutoStringRooter *tvr);
15656 extern __attribute__((visibility ("default"))) void
15657 js_RestoreRegExpStatics(JSContext *cx, js::RegExpStatics *res);
15658 extern JSBool
15659 js_XDRRegExpObject(JSXDRState *xdr, JSObject **objp);
15660 extern JSBool
15661 js_regexp_exec(JSContext *cx, uintN argc, js::Value *vp);
15662 extern JSBool
15663 js_regexp_test(JSContext *cx, uintN argc, js::Value *vp);
15664 namespace js {
15665 static inline JSObject *
15666 GetGlobalForScopeChain(JSContext *cx)
15667 {
15668     ((void) 0);
15669     if (cx->hasfp())
15670         return cx->fp()->scopeChain().getGlobal();
15671     JSObject *scope = cx->globalObject;
15672     if (!scope) {
15673         JS_ReportErrorNumber(cx, js_GetErrorMessage, __null, JSMSG_INACTIVE);
15674         return __null;
15675     }
15676     OBJ_TO_INNER_OBJECT(cx, scope);
15677     return scope;
15678 }
15679 }
15680 inline
15681        bool
15682 JSContext::ensureGeneratorStackSpace()
15683 {
15684     bool ok = genStack.reserve(genStack.length() + 1);
15685     if (!ok)
15686         js_ReportOutOfMemory(this);
15687     return ok;
15688 }
15689 JSStackFrame *
15690 JSContext::computeNextFrame(JSStackFrame *fp)
15691 {
15692     JSStackFrame *next = __null;
15693     for (js::StackSegment *ss = currentSegment; ; ss = ss->getPreviousInContext()) {
15694         JSStackFrame *end = ss->getInitialFrame()->prev();
15695         for (JSStackFrame *f = ss->getCurrentFrame(); f != end; next = f, f = f->prev()) {
15696             if (f == fp)
15697                 return next;
15698         }
15699         if (end != ss->getPreviousInContext()->getCurrentFrame())
15700             next = __null;
15701     }
15702 }
15703 inline js::RegExpStatics *
15704 JSContext::regExpStatics()
15705 {
15706     return js::RegExpStatics::extractFrom(js::GetGlobalForScopeChain(this));
15707 }
15708 namespace js {
15709  __attribute__((always_inline)) inline JSFrameRegs *
15710 StackSegment::getCurrentRegs() const
15711 {
15712     ((void) 0);
15713     return isActive() ? cx->regs : getSuspendedRegs();
15714 }
15715  __attribute__((always_inline)) inline JSStackFrame *
15716 StackSegment::getCurrentFrame() const
15717 {
15718     return getCurrentRegs()->fp;
15719 }
15720  inline Value *
15721 StackSpace::firstUnused() const
15722 {
15723     StackSegment *seg = currentSegment;
15724     if (!seg) {
15725         ((void) 0);
15726         return base;
15727     }
15728     if (seg->inContext()) {
15729         Value *sp = seg->getCurrentRegs()->sp;
15730         if (invokeArgEnd > sp) {
15731             ((void) 0);
15732             ((void) 0)
15733                                                                   ;
15734             return invokeArgEnd;
15735         }
15736         return sp;
15737     }
15738     ((void) 0);
15739     ((void) 0);
15740     return invokeArgEnd;
15741 }
15742 __attribute__((always_inline)) inline
15743                  bool
15744 StackSpace::isCurrentAndActive(JSContext *cx) const
15745 {
15746     return currentSegment &&
15747            currentSegment->isActive() &&
15748            currentSegment == cx->getCurrentSegment();
15749 }
15750 __attribute__((always_inline)) inline
15751                  bool
15752 StackSpace::ensureSpace(JSContext *maybecx, Value *from, ptrdiff_t nvals) const
15753 {
15754     ((void) 0);
15755     if (end - from < nvals) {
15756         if (maybecx)
15757             js_ReportOutOfScriptQuota(maybecx);
15758         return false;
15759     }
15760     goto success;
15761   success:
15762     return true;
15763 }
15764 __attribute__((always_inline)) inline
15765                  bool
15766 StackSpace::ensureEnoughSpaceToEnterTrace()
15767 {
15768     return end - firstUnused() > MAX_TRACE_SPACE_VALS;
15769 }
15770 __attribute__((always_inline)) inline
15771                  bool
15772 StackSpace::EnsureSpaceCheck::operator()(const StackSpace &stack, JSContext *cx,
15773                                          Value *from, uintN nvals)
15774 {
15775     return stack.ensureSpace(cx, from, nvals);
15776 }
15777 __attribute__((always_inline)) inline
15778                  bool
15779 StackSpace::LimitCheck::operator()(const StackSpace &stack, JSContext *cx,
15780                                    Value *from, uintN nvals)
15781 {
15782     ((void) 0);
15783     ((void) 0);
15784     if (*limit - from >= ptrdiff_t(nvals))
15785         return true;
15786     if (stack.bumpCommitAndLimit(base, from, nvals, limit))
15787         return true;
15788     js_ReportOverRecursed(cx);
15789     return false;
15790 }
15791  __attribute__((always_inline)) inline
15792                                    bool
15793 StackSpace::pushInvokeArgs(JSContext *cx, uintN argc, InvokeArgsGuard *ag)
15794 {
15795     if ((__builtin_expect((!isCurrentAndActive(cx)), 0)))
15796         return pushSegmentForInvoke(cx, argc, ag);
15797     Value *sp = cx->regs->sp;
15798     Value *start = invokeArgEnd > sp ? invokeArgEnd : sp;
15799     ((void) 0);
15800     uintN nvals = 2 + argc;
15801     if (!ensureSpace(cx, start, nvals))
15802         return false;
15803     Value *vp = start;
15804     Value *vpend = vp + nvals;
15805     ag->prevInvokeArgEnd = invokeArgEnd;
15806     invokeArgEnd = vpend;
15807     ag->cx = cx;
15808     ag->argv_ = vp + 2;
15809     ag->argc_ = argc;
15810     return true;
15811 }
15812  __attribute__((always_inline)) inline void
15813 StackSpace::popInvokeArgs(const InvokeArgsGuard &ag)
15814 {
15815     if ((__builtin_expect((ag.seg != __null), 0))) {
15816         popSegmentForInvoke(ag);
15817         return;
15818     }
15819     ((void) 0);
15820     ((void) 0);
15821     ((void) 0);
15822     ((void) 0);
15823     invokeArgEnd = ag.prevInvokeArgEnd;
15824 }
15825 __attribute__((always_inline)) inline
15826 InvokeArgsGuard::~InvokeArgsGuard()
15827 {
15828     if ((__builtin_expect((!pushed()), 0)))
15829         return;
15830     cx->stack().popInvokeArgs(*this);
15831 }
15832 template <class Check>
15833  __attribute__((always_inline)) inline JSStackFrame *
15834 StackSpace::getCallFrame(JSContext *cx, Value *firstUnused, uintN nactual,
15835                          JSFunction *fun, JSScript *script, uint32 *flags,
15836                          Check check) const
15837 {
15838     ((void) 0);
15839     uintN nvals = VALUES_PER_STACK_FRAME + script->nslots;
15840     uintN nformal = fun->nargs;
15841     if (nactual == nformal) {
15842         if ((__builtin_expect((!check(*this, cx, firstUnused, nvals)), 0)))
15843             return __null;
15844         return reinterpret_cast<JSStackFrame *>(firstUnused);
15845     }
15846     if (nactual < nformal) {
15847         *flags |= JSFRAME_UNDERFLOW_ARGS;
15848         uintN nmissing = nformal - nactual;
15849         if ((__builtin_expect((!check(*this, cx, firstUnused, nmissing + nvals)), 0)))
15850             return __null;
15851         SetValueRangeToUndefined(firstUnused, nmissing);
15852         return reinterpret_cast<JSStackFrame *>(firstUnused + nmissing);
15853     }
15854     *flags |= JSFRAME_OVERFLOW_ARGS;
15855     uintN ncopy = 2 + nformal;
15856     if ((__builtin_expect((!check(*this, cx, firstUnused, ncopy + nvals)), 0)))
15857         return __null;
15858     Value *dst = firstUnused;
15859     Value *src = firstUnused - (2 + nactual);
15860     PodCopy(dst, src, ncopy);
15861     Debug_SetValueRangeToCrashOnTouch(src, ncopy);
15862     return reinterpret_cast<JSStackFrame *>(firstUnused + ncopy);
15863 }
15864  __attribute__((always_inline)) inline
15865                                    bool
15866 StackSpace::getInvokeFrame(JSContext *cx, const CallArgs &args,
15867                            JSFunction *fun, JSScript *script,
15868                            uint32 *flags, InvokeFrameGuard *fg) const
15869 {
15870     ((void) 0);
15871     Value *firstUnused = args.argv() + args.argc();
15872     fg->regs_.fp = getCallFrame(cx, firstUnused, args.argc(), fun, script, flags,
15873                                 EnsureSpaceCheck());
15874     fg->regs_.sp = fg->regs_.fp->slots() + script->nfixed;
15875     fg->regs_.pc = script->code;
15876     return fg->regs_.fp != __null;
15877 }
15878  __attribute__((always_inline)) inline void
15879 StackSpace::pushInvokeFrame(JSContext *cx, const CallArgs &args,
15880                             InvokeFrameGuard *fg)
15881 {
15882     ((void) 0);
15883     if ((__builtin_expect((!currentSegment->inContext()), 0))) {
15884         cx->pushSegmentAndFrame(currentSegment, fg->regs_);
15885     } else {
15886         fg->prevRegs_ = cx->regs;
15887         cx->setCurrentRegs(&fg->regs_);
15888     }
15889     fg->cx_ = cx;
15890     ((void) 0);
15891 }
15892  __attribute__((always_inline)) inline void
15893 StackSpace::popInvokeFrame(const InvokeFrameGuard &fg)
15894 {
15895     JSContext *cx = fg.cx_;
15896     JSStackFrame *fp = fg.regs_.fp;
15897     ((void) 0);
15898     if ((__builtin_expect((currentSegment->getInitialFrame() == fp), 0))) {
15899         cx->popSegmentAndFrame();
15900     } else {
15901         ((void) 0);
15902         ((void) 0);
15903         ((void) 0);
15904         cx->setCurrentRegs(fg.prevRegs_);
15905     }
15906 }
15907 __attribute__((always_inline)) inline void
15908 InvokeFrameGuard::pop()
15909 {
15910     ((void) 0);
15911     cx_->stack().popInvokeFrame(*this);
15912     cx_ = __null;
15913 }
15914  __attribute__((always_inline)) inline JSStackFrame *
15915 StackSpace::getInlineFrame(JSContext *cx, Value *sp, uintN nactual,
15916                            JSFunction *fun, JSScript *script, uint32 *flags) const
15917 {
15918     ((void) 0);
15919     ((void) 0);
15920     ((void) 0);
15921     return getCallFrame(cx, sp, nactual, fun, script, flags, EnsureSpaceCheck());
15922 }
15923  __attribute__((always_inline)) inline JSStackFrame *
15924 StackSpace::getInlineFrameWithinLimit(JSContext *cx, Value *sp, uintN nactual,
15925                                       JSFunction *fun, JSScript *script, uint32 *flags,
15926                                       JSStackFrame *base, Value **limit) const
15927 {
15928     ((void) 0);
15929     ((void) 0);
15930     ((void) 0);
15931     return getCallFrame(cx, sp, nactual, fun, script, flags, LimitCheck(base, limit));
15932 }
15933  __attribute__((always_inline)) inline void
15934 StackSpace::pushInlineFrame(JSContext *cx, JSScript *script, JSStackFrame *fp,
15935                             JSFrameRegs *regs)
15936 {
15937     ((void) 0);
15938     ((void) 0);
15939     regs->fp = fp;
15940     regs->pc = script->code;
15941     regs->sp = fp->slots() + script->nfixed;
15942 }
15943  __attribute__((always_inline)) inline void
15944 StackSpace::popInlineFrame(JSContext *cx, JSStackFrame *prev, Value *newsp)
15945 {
15946     ((void) 0);
15947     ((void) 0);
15948     ((void) 0);
15949     ((void) 0);
15950     ((void) 0);
15951     JSFrameRegs *regs = cx->regs;
15952     regs->pc = prev->pc(cx, regs->fp);
15953     regs->fp = prev;
15954     regs->sp = newsp;
15955 }
15956 __attribute__((always_inline)) inline Value *
15957 StackSpace::getStackLimit(JSContext *cx)
15958 {
15959     Value *sp = cx->regs->sp;
15960     ((void) 0);
15961     Value *limit = sp + STACK_QUOTA;
15962     if ((__builtin_expect((limit <= end), 1)))
15963         return limit;
15964     uintN minimum = cx->fp()->numSlots() + VALUES_PER_STACK_FRAME;
15965     return ensureSpace(cx, sp, minimum) ? sp + minimum : __null;
15966 }
15967  inline
15968 FrameRegsIter::FrameRegsIter(JSContext *cx)
15969   : cx(cx)
15970 {
15971     curseg = cx->getCurrentSegment();
15972     if ((__builtin_expect((!curseg || !curseg->isActive()), 0))) {
15973         initSlow();
15974         return;
15975     }
15976     ((void) 0);
15977     curfp = cx->regs->fp;
15978     cursp = cx->regs->sp;
15979     curpc = cx->regs->pc;
15980     return;
15981 }
15982 inline FrameRegsIter &
15983 FrameRegsIter::operator++()
15984 {
15985     JSStackFrame *fp = curfp;
15986     JSStackFrame *prev = curfp = curfp->prev();
15987     if (!prev)
15988         return *this;
15989     curpc = curfp->pc(cx, fp);
15990     if ((__builtin_expect((fp == curseg->getInitialFrame()), 0))) {
15991         incSlow(fp, prev);
15992         return *this;
15993     }
15994     cursp = fp->formalArgsEnd();
15995     return *this;
15996 }
15997 class AutoNamespaceArray : protected AutoGCRooter {
15998   public:
15999     AutoNamespaceArray(JSContext *cx) : AutoGCRooter(cx, NAMESPACES) {
16000         array.init();
16001     }
16002     ~AutoNamespaceArray() {
16003         array.finish(context);
16004     }
16005     uint32 length() const { return array.length; }
16006   public:
16007     friend void AutoGCRooter::trace(JSTracer *trc);
16008     JSXMLArray array;
16009 };
16010 template <class T1> inline void
16011 assertSameCompartment(JSContext *cx, T1 t1)
16012 {
16013 }
16014 template <class T1, class T2> inline void
16015 assertSameCompartment(JSContext *cx, T1 t1, T2 t2)
16016 {
16017 }
16018 template <class T1, class T2, class T3> inline void
16019 assertSameCompartment(JSContext *cx, T1 t1, T2 t2, T3 t3)
16020 {
16021 }
16022 template <class T1, class T2, class T3, class T4> inline void
16023 assertSameCompartment(JSContext *cx, T1 t1, T2 t2, T3 t3, T4 t4)
16024 {
16025 }
16026 template <class T1, class T2, class T3, class T4, class T5> inline void
16027 assertSameCompartment(JSContext *cx, T1 t1, T2 t2, T3 t3, T4 t4, T5 t5)
16028 {
16029 }
16030 __attribute__((always_inline)) inline
16031                  bool
16032 CallJSNative(JSContext *cx, js::Native native, uintN argc, js::Value *vp)
16033 {
16034     assertSameCompartment(cx, ValueArray(vp, argc + 2));
16035     JSBool ok = native(cx, argc, vp);
16036     if (ok) {
16037         assertSameCompartment(cx, vp[0]);
16038         ((void) 0);
16039     }
16040     return ok;
16041 }
16042 extern JSBool CallOrConstructBoundFunction(JSContext *, uintN, js::Value *);
16043 __attribute__((always_inline)) inline
16044                  bool
16045 CallJSNativeConstructor(JSContext *cx, js::Native native, uintN argc, js::Value *vp)
16046 {
16047     ((void) 0);
16048     if (!CallJSNative(cx, native, argc, vp))
16049         return false;
16050     extern JSBool proxy_Construct(JSContext *, uintN, Value *);
16051     ((void) 0)
16052                                                                    ;
16053     return true;
16054 }
16055 __attribute__((always_inline)) inline
16056                  bool
16057 CallJSPropertyOp(JSContext *cx, js::PropertyOp op, JSObject *obj, jsid id, js::Value *vp)
16058 {
16059     assertSameCompartment(cx, obj, id, *vp);
16060     JSBool ok = op(cx, obj, id, vp);
16061     if (ok)
16062         assertSameCompartment(cx, obj, *vp);
16063     return ok;
16064 }
16065 __attribute__((always_inline)) inline
16066                  bool
16067 CallJSPropertyOpSetter(JSContext *cx, js::StrictPropertyOp op, JSObject *obj, jsid id,
16068                        JSBool strict, js::Value *vp)
16069 {
16070     assertSameCompartment(cx, obj, id, *vp);
16071     return op(cx, obj, id, strict, vp);
16072 }
16073 inline
16074        bool
16075 CallSetter(JSContext *cx, JSObject *obj, jsid id, js::StrictPropertyOp op, uintN attrs,
16076            uintN shortid, JSBool strict, js::Value *vp)
16077 {
16078     if (attrs & 0x20)
16079         return ExternalGetOrSet(cx, obj, id, CastAsObjectJsval(op), JSACC_WRITE, 1, vp, vp);
16080     if (attrs & 0x10)
16081         return js_ReportGetterOnlyAssignment(cx);
16082     if (attrs & 0x100)
16083         id = INT_TO_JSID(shortid);
16084     return CallJSPropertyOpSetter(cx, op, obj, id, strict, vp);
16085 }
16086 static inline void
16087 LeaveTraceIfGlobalObject(JSContext *cx, JSObject *obj)
16088 {
16089     if (!obj->parent)
16090         LeaveTrace(cx);
16091 }
16092 static inline void
16093 LeaveTraceIfArgumentsObject(JSContext *cx, JSObject *obj)
16094 {
16095     if (obj->isArguments())
16096         LeaveTrace(cx);
16097 }
16098 static inline JSBool
16099 CanLeaveTrace(JSContext *cx)
16100 {
16101     ((void) 0);
16102     return (JSIntn)0;
16103 }
16104 }
16105 inline void
16106 JSContext::setPendingException(js::Value v) {
16107     this->throwing = true;
16108     this->exception = v;
16109     assertSameCompartment(this, v);
16110 }
16111 namespace js {
16112 static inline
16113               bool
16114 CheckStringLength(JSContext *cx, size_t length)
16115 {
16116     if ((__builtin_expect((length > JSString::MAX_LENGTH), 0))) {
16117         js_ReportAllocationOverflow(cx);
16118         return false;
16119     }
16120     return true;
16121 }
16122 class StringBuffer
16123 {
16124     typedef Vector<jschar, 32> CharBuffer;
16125     CharBuffer cb;
16126     static inline bool checkLength(JSContext *cx, size_t length);
16127     inline bool checkLength(size_t length);
16128     JSContext *context() const { return cb.allocPolicy().context(); }
16129   public:
16130     explicit inline StringBuffer(JSContext *cx);
16131     bool reserve(size_t len);
16132     bool resize(size_t len);
16133     bool append(const jschar c);
16134     bool append(const jschar *chars, size_t len);
16135     bool append(const jschar *begin, const jschar *end);
16136     bool append(JSString *str);
16137     bool append(JSAtom *atom);
16138     bool appendN(const jschar c, size_t n);
16139     bool appendInflated(const char *cstr, size_t len);
16140     JSAtom *atomize(uintN flags = 0);
16141     static JSAtom *atomize(JSContext *cx, const CharBuffer &cb, uintN flags = 0);
16142     static JSAtom *atomize(JSContext *cx, const jschar *begin, size_t length, uintN flags = 0);
16143     void replaceRawBuffer(jschar *chars, size_t len) { cb.replaceRawBuffer(chars, len); }
16144     jschar *begin() { return cb.begin(); }
16145     jschar *end() { return cb.end(); }
16146     const jschar *begin() const { return cb.begin(); }
16147     const jschar *end() const { return cb.end(); }
16148     bool empty() const { return cb.empty(); }
16149     inline jsint length() const;
16150     JSFlatString *finishString();
16151     template <size_t ArrayLength>
16152     bool append(const char (&array)[ArrayLength]) {
16153         return cb.append(array, array + ArrayLength - 1);
16154     }
16155 };
16156 inline
16157 StringBuffer::StringBuffer(JSContext *cx)
16158   : cb(cx)
16159 {}
16160 inline
16161        bool
16162 StringBuffer::reserve(size_t len)
16163 {
16164     if (!checkLength(len))
16165         return false;
16166     return cb.reserve(len);
16167 }
16168 inline
16169        bool
16170 StringBuffer::resize(size_t len)
16171 {
16172     if (!checkLength(len))
16173         return false;
16174     return cb.resize(len);
16175 }
16176 inline
16177        bool
16178 StringBuffer::append(const jschar c)
16179 {
16180     if (!checkLength(cb.length() + 1))
16181         return false;
16182     return cb.append(c);
16183 }
16184 inline
16185        bool
16186 StringBuffer::append(const jschar *chars, size_t len)
16187 {
16188     if (!checkLength(cb.length() + len))
16189         return false;
16190     return cb.append(chars, len);
16191 }
16192 inline
16193        bool
16194 StringBuffer::append(const jschar *begin, const jschar *end)
16195 {
16196     if (!checkLength(cb.length() + (end - begin)))
16197         return false;
16198     return cb.append(begin, end);
16199 }
16200 inline
16201        bool
16202 StringBuffer::append(JSString *str)
16203 {
16204     JSLinearString *linear = str->ensureLinear(context());
16205     size_t strLen = linear->length();
16206     if (!checkLength(cb.length() + strLen))
16207         return false;
16208     return cb.append(linear->chars(), strLen);
16209 }
16210 inline
16211        bool
16212 StringBuffer::append(JSAtom *atom)
16213 {
16214     size_t strLen = atom->length();
16215     if (!checkLength(cb.length() + strLen))
16216         return false;
16217     return cb.append(atom->chars(), strLen);
16218 }
16219 inline
16220        bool
16221 StringBuffer::appendN(const jschar c, size_t n)
16222 {
16223     if (!checkLength(cb.length() + n))
16224         return false;
16225     return cb.appendN(c, n);
16226 }
16227 inline
16228        bool
16229 StringBuffer::appendInflated(const char *cstr, size_t cstrlen)
16230 {
16231     size_t lengthBefore = length();
16232     if (!cb.growByUninitialized(cstrlen))
16233         return false;
16234     js_InflateStringToBuffer(context(), cstr, cstrlen, begin() + lengthBefore, &cstrlen);
16235     ((void) 0);
16236     return true;
16237 }
16238 inline jsint
16239 StringBuffer::length() const
16240 {
16241     typedef int js_static_assert65[(jsint(JSString::MAX_LENGTH) == JSString::MAX_LENGTH) ? 1 : -1];
16242     ((void) 0);
16243     return jsint(cb.length());
16244 }
16245 inline
16246        bool
16247 StringBuffer::checkLength(size_t length)
16248 {
16249     return CheckStringLength(context(), length);
16250 }
16251 }
16252 inline JSFlatString *
16253 JSString::unitString(jschar c)
16254 {
16255     ((void) 0);
16256     return const_cast<JSString *>(&unitStringTable[c])->assertIsFlat();
16257 }
16258 inline JSLinearString *
16259 JSString::getUnitString(JSContext *cx, JSString *str, size_t index)
16260 {
16261     ((void) 0);
16262     const jschar *chars = str->getChars(cx);
16263     if (!chars)
16264         return __null;
16265     jschar c = chars[index];
16266     if (c < UNIT_STRING_LIMIT)
16267         return unitString(c);
16268     return js_NewDependentString(cx, str, index, 1);
16269 }
16270 inline JSFlatString *
16271 JSString::length2String(jschar c1, jschar c2)
16272 {
16273     ((void) 0);
16274     ((void) 0);
16275     return const_cast<JSString *> (
16276              &length2StringTable[(((size_t)toSmallChar[c1]) << 6) + toSmallChar[c2]]
16277            )->assertIsFlat();
16278 }
16279 inline JSFlatString *
16280 JSString::length2String(uint32 i)
16281 {
16282     ((void) 0);
16283     return length2String('0' + i / 10, '0' + i % 10);
16284 }
16285 inline JSFlatString *
16286 JSString::intString(jsint i)
16287 {
16288     jsuint u = jsuint(i);
16289     ((void) 0);
16290     return const_cast<JSString *>(JSString::intStringTable[u])->assertIsFlat();
16291 }
16292 inline JSFlatString *
16293 JSString::lookupStaticString(const jschar *chars, size_t length)
16294 {
16295     if (length == 1) {
16296         if (chars[0] < UNIT_STRING_LIMIT)
16297             return unitString(chars[0]);
16298     }
16299     if (length == 2) {
16300         if (fitsInSmallChar(chars[0]) && fitsInSmallChar(chars[1]))
16301             return length2String(chars[0], chars[1]);
16302     }
16303     typedef int js_static_assert66[(INT_STRING_LIMIT <= 999) ? 1 : -1];
16304     if (length == 3) {
16305         if ('1' <= chars[0] && chars[0] <= '9' &&
16306             '0' <= chars[1] && chars[1] <= '9' &&
16307             '0' <= chars[2] && chars[2] <= '9') {
16308             jsint i = (chars[0] - '0') * 100 +
16309                       (chars[1] - '0') * 10 +
16310                       (chars[2] - '0');
16311             if (jsuint(i) < INT_STRING_LIMIT)
16312                 return intString(i);
16313         }
16314     }
16315     return __null;
16316 }
16317 inline void
16318 JSString::finalize(JSContext *cx) {
16319     ((void) 0);
16320     ;
16321     if (isDependent()) {
16322         ;
16323     } else if (isFlat()) {
16324         cx->runtime->stringMemoryUsed -= length() * 2;
16325         cx->free(const_cast<jschar *>(flatChars()));
16326     }
16327 }
16328 inline void
16329 JSShortString::finalize(JSContext *cx)
16330 {
16331     ((void) 0);
16332     ((void) 0);
16333     ;
16334 }
16335 inline void
16336 JSExternalString::finalize(JSContext *cx)
16337 {
16338     ((void) 0);
16339     ((void) 0);
16340     ((void) 0);
16341     ;
16342     jschar *chars = const_cast<jschar *>(flatChars());
16343     if (!chars)
16344         return;
16345     JSStringFinalizeOp finalizer = str_finalizers[externalStringType];
16346     if (finalizer)
16347         finalizer(cx, this);
16348 }
16349 inline void
16350 JSExternalString::finalize()
16351 {
16352     ((void) 0);
16353     JSStringFinalizeOp finalizer = str_finalizers[externalStringType];
16354     if (finalizer) {
16355         finalizer(__null, this);
16356     }
16357 }
16358 namespace js {
16359 class RopeBuilder {
16360     JSContext *cx;
16361     JSString *res;
16362   public:
16363     RopeBuilder(JSContext *cx)
16364       : cx(cx), res(cx->runtime->emptyString)
16365     {}
16366     inline bool append(JSString *str) {
16367         res = js_ConcatStrings(cx, res, str);
16368         return !!res;
16369     }
16370     inline JSString *result() {
16371         return res;
16372     }
16373 };
16374 class StringSegmentRange
16375 {
16376     Vector<JSString *, 32> stack;
16377     JSString *cur;
16378     bool settle(JSString *str) {
16379         while (str->isRope()) {
16380             if (!stack.append(str->ropeRight()))
16381                 return false;
16382             str = str->ropeLeft();
16383         }
16384         cur = str;
16385         return true;
16386     }
16387   public:
16388     StringSegmentRange(JSContext *cx)
16389       : stack(cx), cur(__null)
16390     {}
16391     __attribute__((warn_unused_result)) bool init(JSString *str) {
16392         ((void) 0);
16393         return settle(str);
16394     }
16395     bool empty() const {
16396         return cur == __null;
16397     }
16398     JSString *front() const {
16399         ((void) 0);
16400         return cur;
16401     }
16402     __attribute__((warn_unused_result)) bool popFront() {
16403         ((void) 0);
16404         if (stack.empty()) {
16405             cur = __null;
16406             return true;
16407         }
16408         return settle(stack.popCopy());
16409     }
16410 };
16411 }
16412 namespace js {
16413 struct PropertyTable {
16414     static const uint32 MAX_LINEAR_SEARCHES = 7;
16415     static const uint32 MIN_SIZE_LOG2 = 4;
16416     static const uint32 MIN_SIZE = ((JSUint32)1 << (MIN_SIZE_LOG2));
16417     int hashShift;
16418     uint32 entryCount;
16419     uint32 removedCount;
16420     uint32 freelist;
16421     js::Shape **entries;
16422     PropertyTable(uint32 nentries)
16423       : hashShift(32 - MIN_SIZE_LOG2),
16424         entryCount(nentries),
16425         removedCount(0),
16426         freelist(0xffffffff)
16427     {
16428     }
16429     ~PropertyTable() {
16430         js_free(entries);
16431     }
16432     uint32 capacity() const { return ((JSUint32)1 << (32 - hashShift)); }
16433     bool needsToGrow() const {
16434         uint32 size = capacity();
16435         return entryCount + removedCount >= size - (size >> 2);
16436     }
16437     bool grow(JSContext *cx);
16438     bool init(JSRuntime *rt, js::Shape *lastProp);
16439     bool change(int log2Delta, JSContext *cx);
16440     js::Shape **search(jsid id, bool adding);
16441 };
16442 }
16443 struct JSObject;
16444 namespace js {
16445 class PropertyTree;
16446 static inline PropertyOp
16447 CastAsPropertyOp(js::Class *clasp)
16448 {
16449     return (__extension__ (PropertyOp) (size_t) (clasp));
16450 }
16451 struct Shape : public JSObjectMap
16452 {
16453     friend struct ::JSObject;
16454     friend struct ::JSFunction;
16455     friend class js::PropertyTree;
16456     friend class js::Bindings;
16457     friend bool IsShapeAboutToBeFinalized(JSContext *cx, const js::Shape *shape);
16458     union {
16459         mutable size_t numLinearSearches;
16460         mutable js::PropertyTable *table;
16461     };
16462   public:
16463     inline void freeTable(JSContext *cx);
16464     static bool initEmptyShapes(JSCompartment *comp);
16465     static void finishEmptyShapes(JSCompartment *comp);
16466     jsid id;
16467   protected:
16468     union {
16469         js::PropertyOp rawGetter;
16470         JSObject *getterObj;
16471         js::Class *clasp;
16472     };
16473     union {
16474         js::StrictPropertyOp rawSetter;
16475         JSObject *setterObj;
16476     };
16477   public:
16478     uint32 slot;
16479   private:
16480     uint8 attrs;
16481     mutable uint8 flags;
16482   public:
16483     int16 shortid;
16484   protected:
16485     mutable js::Shape *parent;
16486     union {
16487         mutable js::KidsPointer kids;
16488         mutable js::Shape **listp;
16489     };
16490     static inline js::Shape **search(JSRuntime *rt, js::Shape **startp, jsid id,
16491                                      bool adding = false);
16492     static js::Shape *newDictionaryShape(JSContext *cx, const js::Shape &child, js::Shape **listp);
16493     static js::Shape *newDictionaryList(JSContext *cx, js::Shape **listp);
16494     inline void removeFromDictionary(JSObject *obj) const;
16495     inline void insertIntoDictionary(js::Shape **dictp);
16496     js::Shape *getChild(JSContext *cx, const js::Shape &child, js::Shape **listp);
16497     bool hashify(JSRuntime *rt);
16498     bool hasTable() const {
16499         return numLinearSearches > PropertyTable::MAX_LINEAR_SEARCHES;
16500     }
16501     js::PropertyTable *getTable() const {
16502         ((void) 0);
16503         return table;
16504     }
16505     void setTable(js::PropertyTable *t) const {
16506         ((void) 0);
16507         table = t;
16508     }
16509     void setParent(js::Shape *p) {
16510         typedef int js_static_assert67[(uint32(0xffffffff) == ~uint32(0)) ? 1 : -1];
16511         if (p)
16512             slotSpan = ((p->slotSpan)>(slot + 1)?(p->slotSpan):(slot + 1));
16513         ((void) 0);
16514         parent = p;
16515     }
16516     void insertFree(js::Shape **freep) {
16517         id = ((jsid)0x2);
16518         parent = *freep;
16519         if (parent)
16520             parent->listp = &parent;
16521         listp = freep;
16522         *freep = this;
16523     }
16524     void removeFree() {
16525         ((void) 0);
16526         *listp = parent;
16527         if (parent)
16528             parent->listp = listp;
16529     }
16530   public:
16531     const js::Shape *previous() const {
16532         return parent;
16533     }
16534     class Range {
16535       protected:
16536         friend struct Shape;
16537         const Shape *cursor;
16538         const Shape *end;
16539       public:
16540         Range(const Shape *shape) : cursor(shape) { }
16541         bool empty() const {
16542             ((void) 0);
16543             return !cursor->parent;
16544         }
16545         const Shape &front() const {
16546             ((void) 0);
16547             return *cursor;
16548         }
16549         void popFront() {
16550             ((void) 0);
16551             cursor = cursor->parent;
16552         }
16553     };
16554     Range all() const {
16555         return Range(this);
16556     }
16557   protected:
16558     enum {
16559         MARK = 0x01,
16560         SHARED_EMPTY = 0x02,
16561         SHAPE_REGEN = 0x04,
16562         IN_DICTIONARY = 0x08,
16563         FROZEN = 0x10
16564     };
16565     Shape(jsid id, js::PropertyOp getter, js::StrictPropertyOp setter, uint32 slot, uintN attrs,
16566           uintN flags, intN shortid, uint32 shape = INVALID_SHAPE, uint32 slotSpan = 0);
16567     Shape(JSCompartment *comp, Class *aclasp);
16568     bool marked() const { return (flags & MARK) != 0; }
16569     void mark() const { flags |= MARK; }
16570     void clearMark() { flags &= ~MARK; }
16571     bool hasRegenFlag() const { return (flags & SHAPE_REGEN) != 0; }
16572     void setRegenFlag() { flags |= SHAPE_REGEN; }
16573     void clearRegenFlag() { flags &= ~SHAPE_REGEN; }
16574     bool inDictionary() const { return (flags & IN_DICTIONARY) != 0; }
16575     bool frozen() const { return (flags & FROZEN) != 0; }
16576     void setFrozen() { flags |= FROZEN; }
16577     bool isEmptyShape() const { ((void) 0); return !parent; }
16578   public:
16579     enum {
16580         ALIAS = 0x20,
16581         HAS_SHORTID = 0x40,
16582         METHOD = 0x80,
16583         PUBLIC_FLAGS = ALIAS | HAS_SHORTID | METHOD
16584     };
16585     uintN getFlags() const { return flags & PUBLIC_FLAGS; }
16586     bool isAlias() const { return (flags & ALIAS) != 0; }
16587     bool hasShortID() const { return (flags & HAS_SHORTID) != 0; }
16588     bool isMethod() const { return (flags & METHOD) != 0; }
16589     JSObject &methodObject() const { ((void) 0); return *getterObj; }
16590     js::PropertyOp getter() const { return rawGetter; }
16591     bool hasDefaultGetter() const { return !rawGetter; }
16592     js::PropertyOp getterOp() const { ((void) 0); return rawGetter; }
16593     JSObject *getterObject() const { ((void) 0); return getterObj; }
16594     js::Value getterValue() const {
16595         ((void) 0);
16596         return getterObj ? js::ObjectValue(*getterObj) : js::UndefinedValue();
16597     }
16598     js::Value getterOrUndefined() const {
16599         return hasGetterValue() && getterObj ? js::ObjectValue(*getterObj) : js::UndefinedValue();
16600     }
16601     js::StrictPropertyOp setter() const { return rawSetter; }
16602     bool hasDefaultSetter() const { return !rawSetter; }
16603     js::StrictPropertyOp setterOp() const { ((void) 0); return rawSetter; }
16604     JSObject *setterObject() const { ((void) 0); return setterObj; }
16605     js::Value setterValue() const {
16606         ((void) 0);
16607         return setterObj ? js::ObjectValue(*setterObj) : js::UndefinedValue();
16608     }
16609     js::Value setterOrUndefined() const {
16610         return hasSetterValue() && setterObj ? js::ObjectValue(*setterObj) : js::UndefinedValue();
16611     }
16612     inline JSDHashNumber hash() const;
16613     inline bool matches(const js::Shape *p) const;
16614     inline bool matchesParamsAfterId(js::PropertyOp agetter, js::StrictPropertyOp asetter,
16615                                      uint32 aslot, uintN aattrs, uintN aflags,
16616                                      intN ashortid) const;
16617     bool get(JSContext* cx, JSObject *receiver, JSObject *obj, JSObject *pobj, js::Value* vp) const;
16618     bool set(JSContext* cx, JSObject *obj, bool strict, js::Value* vp) const;
16619     inline bool isSharedPermanent() const;
16620     void trace(JSTracer *trc) const;
16621     bool hasSlot() const { return (attrs & 0x40) == 0; }
16622     uint8 attributes() const { return attrs; }
16623     bool configurable() const { return (attrs & 0x04) == 0; }
16624     bool enumerable() const { return (attrs & 0x01) != 0; }
16625     bool writable() const {
16626         return (attrs & 0x02) == 0;
16627     }
16628     bool hasGetterValue() const { return attrs & 0x10; }
16629     bool hasSetterValue() const { return attrs & 0x20; }
16630     bool hasDefaultGetterOrIsMethod() const {
16631         return hasDefaultGetter() || isMethod();
16632     }
16633     bool isDataDescriptor() const {
16634         return (attrs & (0x20 | 0x10)) == 0;
16635     }
16636     bool isAccessorDescriptor() const {
16637         return (attrs & (0x20 | 0x10)) != 0;
16638     }
16639     bool shadowable() const {
16640         ((void) 0);
16641         return hasSlot() || (attrs & 0x80);
16642     }
16643     uint32 entryCount() const {
16644         if (hasTable())
16645             return getTable()->entryCount;
16646         const js::Shape *shape = this;
16647         uint32 count = 0;
16648         for (js::Shape::Range r = shape->all(); !r.empty(); r.popFront())
16649             ++count;
16650         return count;
16651     }
16652 };
16653 struct EmptyShape : public js::Shape
16654 {
16655     EmptyShape(JSCompartment *comp, js::Class *aclasp);
16656     js::Class *getClass() const { return clasp; };
16657     static EmptyShape *create(JSCompartment *comp, js::Class *clasp) {
16658         js::Shape *eprop = comp->propertyTree.newShapeUnchecked();
16659         if (!eprop)
16660             return __null;
16661         return new (eprop) EmptyShape(comp, clasp);
16662     }
16663     static EmptyShape *create(JSContext *cx, js::Class *clasp) {
16664         js::Shape *eprop = ((cx)->compartment->propertyTree).newShape(cx);
16665         if (!eprop)
16666             return __null;
16667         return new (eprop) EmptyShape(cx->compartment, clasp);
16668     }
16669 };
16670 }
16671 inline js::Shape **
16672 JSObject::nativeSearch(jsid id, bool adding)
16673 {
16674     return js::Shape::search(compartment()->rt, &lastProp, id, adding);
16675 }
16676 inline const js::Shape *
16677 JSObject::nativeLookup(jsid id)
16678 {
16679     ((void) 0);
16680     return ((js::Shape *) (jsuword(*(nativeSearch(id))) & ~(jsuword(1))));
16681 }
16682 inline
16683        bool
16684 JSObject::nativeContains(jsid id)
16685 {
16686     return nativeLookup(id) != __null;
16687 }
16688 inline
16689        bool
16690 JSObject::nativeContains(const js::Shape &shape)
16691 {
16692     return nativeLookup(shape.id) == &shape;
16693 }
16694 inline const js::Shape *
16695 JSObject::lastProperty() const
16696 {
16697     ((void) 0);
16698     ((void) 0);
16699     return lastProp;
16700 }
16701 inline
16702        bool
16703 JSObject::nativeEmpty() const
16704 {
16705     return lastProperty()->isEmptyShape();
16706 }
16707 inline
16708        bool
16709 JSObject::inDictionaryMode() const
16710 {
16711     return lastProperty()->inDictionary();
16712 }
16713 inline uint32
16714 JSObject::propertyCount() const
16715 {
16716     return lastProperty()->entryCount();
16717 }
16718 inline
16719        bool
16720 JSObject::hasPropertyTable() const
16721 {
16722     return lastProperty()->hasTable();
16723 }
16724 inline void
16725 JSObject::setLastProperty(const js::Shape *shape)
16726 {
16727     ((void) 0);
16728     ((void) 0);
16729     ((void) 0);
16730     ((void) 0);
16731     lastProp = const_cast<js::Shape *>(shape);
16732 }
16733 inline void
16734 JSObject::removeLastProperty()
16735 {
16736     ((void) 0);
16737     ((void) 0);
16738     lastProp = lastProp->parent;
16739 }
16740 namespace js {
16741 inline void
16742 Shape::removeFromDictionary(JSObject *obj) const
16743 {
16744     ((void) 0);
16745     ((void) 0);
16746     ((void) 0);
16747     ((void) 0);
16748     ((void) 0);
16749     ((void) 0);
16750     ((void) 0);
16751     ((void) 0);
16752     ((void) 0);
16753     if (parent)
16754         parent->listp = listp;
16755     *listp = parent;
16756     listp = __null;
16757 }
16758 inline void
16759 Shape::insertIntoDictionary(js::Shape **dictp)
16760 {
16761     ((void) 0);
16762     ((void) 0);
16763     ((void) 0);
16764     ((void) 0);
16765     ((void) 0);
16766     ((void) 0);
16767     ((void) 0);
16768     setParent(*dictp);
16769     if (parent)
16770         parent->listp = &parent;
16771     listp = dictp;
16772     *dictp = this;
16773 }
16774 }
16775 extern uint32
16776 js_GenerateShape(JSRuntime *rt);
16777 extern uint32
16778 js_GenerateShape(JSContext *cx);
16779 namespace js {
16780 __attribute__((always_inline)) inline js::Shape **
16781 Shape::search(JSRuntime *rt, js::Shape **startp, jsid id, bool adding)
16782 {
16783     js::Shape *start = *startp;
16784     ;
16785     if (start->hasTable())
16786         return start->getTable()->search(id, adding);
16787     if (start->numLinearSearches == PropertyTable::MAX_LINEAR_SEARCHES) {
16788         if (start->hashify(rt))
16789             return start->getTable()->search(id, adding);
16790         ((void) 0);
16791     } else {
16792         ((void) 0);
16793         start->numLinearSearches++;
16794     }
16795     js::Shape **spp;
16796     for (spp = startp; js::Shape *shape = *spp; spp = &shape->parent) {
16797         if (shape->id == id) {
16798             ;
16799             return spp;
16800         }
16801     }
16802     ;
16803     return spp;
16804 }
16805 inline
16806        bool
16807 Shape::isSharedPermanent() const
16808 {
16809     return (~attrs & (0x40 | 0x04)) == 0;
16810 }
16811 }
16812 inline
16813        bool
16814 js_ValueToAtom(JSContext *cx, const js::Value &v, JSAtom **atomp)
16815 {
16816     JSString *str;
16817     JSAtom *atom;
16818     if (v.isString()) {
16819         str = v.toString();
16820         if (str->isAtomized()) {
16821             *atomp = (((void) 0), (JSAtom *)str);
16822             return true;
16823         }
16824     } else {
16825         str = js_ValueToString(cx, v);
16826         if (!str)
16827             return false;
16828     }
16829     atom = js_AtomizeString(cx, str, 0);
16830     if (!atom)
16831         return false;
16832     *atomp = atom;
16833     return true;
16834 }
16835 inline
16836        bool
16837 js_ValueToStringId(JSContext *cx, const js::Value &v, jsid *idp)
16838 {
16839     JSAtom *atom;
16840     if (js_ValueToAtom(cx, v, &atom)) {
16841         *idp = ATOM_TO_JSID(atom);
16842         return true;
16843     }
16844     return false;
16845 }
16846 inline
16847        bool
16848 js_InternNonIntElementId(JSContext *cx, JSObject *obj, const js::Value &idval,
16849                          jsid *idp)
16850 {
16851     ((void) 0);
16852     extern bool js_InternNonIntElementIdSlow(JSContext *, JSObject *,
16853                                              const js::Value &, jsid *);
16854     if (idval.isObject())
16855         return js_InternNonIntElementIdSlow(cx, obj, idval, idp);
16856     return js_ValueToStringId(cx, idval, idp);
16857 }
16858 inline
16859        bool
16860 js_InternNonIntElementId(JSContext *cx, JSObject *obj, const js::Value &idval,
16861                          jsid *idp, js::Value *vp)
16862 {
16863     ((void) 0);
16864     extern bool js_InternNonIntElementIdSlow(JSContext *, JSObject *,
16865                                              const js::Value &,
16866                                              jsid *, js::Value *);
16867     if (idval.isObject())
16868         return js_InternNonIntElementIdSlow(cx, obj, idval, idp, vp);
16869     JSAtom *atom;
16870     if (js_ValueToAtom(cx, idval, &atom)) {
16871         *idp = ATOM_TO_JSID(atom);
16872         vp->setString((atom));
16873         return true;
16874     }
16875     return false;
16876 }
16877 inline
16878        bool
16879 js_Int32ToId(JSContext* cx, int32 index, jsid* id)
16880 {
16881     if (INT_FITS_IN_JSID(index)) {
16882         *id = INT_TO_JSID(index);
16883         return true;
16884     }
16885     JSString* str = js_NumberToString(cx, index);
16886     if (!str)
16887         return false;
16888     return js_ValueToStringId(cx, js::StringValue(str), id);
16889 }
16890 namespace js {
16891 class Probes {
16892     static const char nullName[];
16893     static const char *FunctionClassname(const JSFunction *fun);
16894     static const char *ScriptFilename(JSScript *script);
16895     static int FunctionLineNumber(JSContext *cx, const JSFunction *fun);
16896     static const char *FunctionName(JSContext *cx, const JSFunction *fun, JSAutoByteString *bytes);
16897     static void enterJSFunImpl(JSContext *cx, JSFunction *fun, JSScript *script);
16898     static void handleFunctionReturn(JSContext *cx, JSFunction *fun, JSScript *script);
16899     static void finalizeObjectImpl(JSObject *obj);
16900   public:
16901     static bool callTrackingActive(JSContext *);
16902     static void enterJSFun(JSContext *, JSFunction *, JSScript *, int counter = 1);
16903     static void exitJSFun(JSContext *, JSFunction *, JSScript *, int counter = 0);
16904     static void startExecution(JSContext *cx, JSScript *script);
16905     static void stopExecution(JSContext *cx, JSScript *script);
16906     static void resizeHeap(JSCompartment *compartment, size_t oldSize, size_t newSize);
16907     static void createObject(JSContext *cx, JSObject *obj);
16908     static void resizeObject(JSContext *cx, JSObject *obj, size_t oldSize, size_t newSize);
16909     static void finalizeObject(JSObject *obj);
16910     static void createString(JSContext *cx, JSString *string, size_t length);
16911     static void finalizeString(JSString *string);
16912     static void compileScriptBegin(JSContext *cx, const char *filename, int lineno);
16913     static void compileScriptEnd(JSContext *cx, JSScript *script, const char *filename, int lineno);
16914     static void calloutBegin(JSContext *cx, JSFunction *fun);
16915     static void calloutEnd(JSContext *cx, JSFunction *fun);
16916     static void acquireMemory(JSContext *cx, void *address, size_t nbytes);
16917     static void releaseMemory(JSContext *cx, void *address, size_t nbytes);
16918     static void GCStart(JSCompartment *compartment);
16919     static void GCEnd(JSCompartment *compartment);
16920     static void GCStartMarkPhase(JSCompartment *compartment);
16921     static void GCEndMarkPhase(JSCompartment *compartment);
16922     static void GCStartSweepPhase(JSCompartment *compartment);
16923     static void GCEndSweepPhase(JSCompartment *compartment);
16924     static bool CustomMark(JSString *string);
16925     static bool CustomMark(const char *string);
16926     static bool CustomMark(int marker);
16927     static bool startProfiling();
16928     static void stopProfiling();
16929 };
16930 inline
16931        bool
16932 Probes::callTrackingActive(JSContext *cx)
16933 {
16934     return false;
16935 }
16936 inline void
16937 Probes::enterJSFun(JSContext *cx, JSFunction *fun, JSScript *script, int counter)
16938 {
16939 }
16940 inline void
16941 Probes::exitJSFun(JSContext *cx, JSFunction *fun, JSScript *script, int counter)
16942 {
16943 }
16944 inline void
16945 Probes::createObject(JSContext *cx, JSObject *obj)
16946 {
16947 }
16948 inline void
16949 Probes::finalizeObject(JSObject *obj)
16950 {
16951 }
16952 inline void
16953 Probes::startExecution(JSContext *cx, JSScript *script)
16954 {
16955 }
16956 inline void
16957 Probes::stopExecution(JSContext *cx, JSScript *script)
16958 {
16959 }
16960 inline void Probes::resizeHeap(JSCompartment *compartment, size_t oldSize, size_t newSize) {}
16961 inline void Probes::resizeObject(JSContext *cx, JSObject *obj, size_t oldSize, size_t newSize) {}
16962 inline void Probes::createString(JSContext *cx, JSString *string, size_t length) {}
16963 inline void Probes::finalizeString(JSString *string) {}
16964 inline void Probes::compileScriptBegin(JSContext *cx, const char *filename, int lineno) {}
16965 inline void Probes::compileScriptEnd(JSContext *cx, JSScript *script, const char *filename, int lineno) {}
16966 inline void Probes::calloutBegin(JSContext *cx, JSFunction *fun) {}
16967 inline void Probes::calloutEnd(JSContext *cx, JSFunction *fun) {}
16968 inline void Probes::acquireMemory(JSContext *cx, void *address, size_t nbytes) {}
16969 inline void Probes::releaseMemory(JSContext *cx, void *address, size_t nbytes) {}
16970 inline void Probes::GCStart(JSCompartment *compartment) {}
16971 inline void Probes::GCEnd(JSCompartment *compartment) {}
16972 inline void Probes::GCStartMarkPhase(JSCompartment *compartment) {}
16973 inline void Probes::GCEndMarkPhase(JSCompartment *compartment) {}
16974 inline void Probes::GCStartSweepPhase(JSCompartment *compartment) {}
16975 inline void Probes::GCEndSweepPhase(JSCompartment *compartment) {}
16976 inline bool Probes::CustomMark(JSString *string) { return (JSIntn)1; }
16977 inline bool Probes::CustomMark(const char *string) { return (JSIntn)1; }
16978 inline bool Probes::CustomMark(int marker) { return (JSIntn)1; }
16979 struct AutoFunctionCallProbe {
16980     JSContext * const cx;
16981     JSFunction *fun;
16982     JSScript *script;
16983
16984     AutoFunctionCallProbe(JSContext *cx, JSFunction *fun, JSScript *script
16985                           )
16986       : cx(cx), fun(fun), script(script)
16987     {
16988         do { } while (0);
16989         Probes::enterJSFun(cx, fun, script);
16990     }
16991     ~AutoFunctionCallProbe() {
16992         Probes::exitJSFun(cx, fun, script);
16993     }
16994 };
16995 }
16996 inline
16997        bool
16998 JSFunction::inStrictMode() const
16999 {
17000     return script()->strictModeCode;
17001 }
17002 inline void
17003 JSStackFrame::initPrev(JSContext *cx)
17004 {
17005     ((void) 0);
17006     if (JSFrameRegs *regs = cx->regs) {
17007         prev_ = regs->fp;
17008         prevpc_ = regs->pc;
17009         ((void) 0)
17010                                                                                        ;
17011     } else {
17012         prev_ = __null;
17013     }
17014 }
17015 inline void
17016 JSStackFrame::resetGeneratorPrev(JSContext *cx)
17017 {
17018     flags_ |= JSFRAME_HAS_PREVPC;
17019     initPrev(cx);
17020 }
17021 inline void
17022 JSStackFrame::initCallFrame(JSContext *cx, JSObject &callee, JSFunction *fun,
17023                             uint32 nactual, uint32 flagsArg)
17024 {
17025     ((void) 0)
17026                                                           ;
17027     ((void) 0);
17028     flags_ = JSFRAME_FUNCTION | JSFRAME_HAS_PREVPC | JSFRAME_HAS_SCOPECHAIN | flagsArg;
17029     exec.fun = fun;
17030     args.nactual = nactual;
17031     scopeChain_ = callee.getParent();
17032     initPrev(cx);
17033     ((void) 0);
17034     ((void) 0);
17035     ((void) 0);
17036     ((void) 0);
17037 }
17038 inline void
17039 JSStackFrame::resetInvokeCallFrame()
17040 {
17041     ((void) 0)
17042                                                              ;
17043     flags_ &= JSFRAME_FUNCTION |
17044               JSFRAME_OVERFLOW_ARGS |
17045               JSFRAME_HAS_PREVPC |
17046               JSFRAME_UNDERFLOW_ARGS;
17047     ((void) 0);
17048     scopeChain_ = callee().getParent();
17049 }
17050 inline void
17051 JSStackFrame::initCallFrameCallerHalf(JSContext *cx, uint32 flagsArg,
17052                                       void *ncode)
17053 {
17054     ((void) 0)
17055                                                           ;
17056     flags_ = JSFRAME_FUNCTION | flagsArg;
17057     prev_ = cx->regs->fp;
17058     ncode_ = ncode;
17059 }
17060 inline void
17061 JSStackFrame::initCallFrameEarlyPrologue(JSFunction *fun, uint32 nactual)
17062 {
17063     exec.fun = fun;
17064     if (flags_ & (JSFRAME_OVERFLOW_ARGS | JSFRAME_UNDERFLOW_ARGS))
17065         args.nactual = nactual;
17066 }
17067 inline void
17068 JSStackFrame::initCallFrameLatePrologue()
17069 {
17070     SetValueRangeToUndefined(slots(), script()->nfixed);
17071 }
17072 inline void
17073 JSStackFrame::initEvalFrame(JSContext *cx, JSScript *script, JSStackFrame *prev, uint32 flagsArg)
17074 {
17075     ((void) 0);
17076     ((void) 0);
17077     ((void) 0);
17078     js::Value *dstvp = (js::Value *)this - 2;
17079     js::Value *srcvp = prev->flags_ & (JSFRAME_GLOBAL | JSFRAME_EVAL)
17080                        ? (js::Value *)prev - 2
17081                        : prev->formalArgs() - 2;
17082     dstvp[0] = srcvp[0];
17083     dstvp[1] = srcvp[1];
17084     ((void) 0)
17085                                                   ;
17086     flags_ = flagsArg | JSFRAME_HAS_PREVPC | JSFRAME_HAS_SCOPECHAIN |
17087              (prev->flags_ & (JSFRAME_FUNCTION | JSFRAME_GLOBAL | JSFRAME_HAS_CALL_OBJ));
17088     if (isFunctionFrame()) {
17089         exec = prev->exec;
17090         args.script = script;
17091     } else {
17092         exec.script = script;
17093     }
17094     scopeChain_ = &prev->scopeChain();
17095     ((void) 0);
17096     prev_ = prev;
17097     prevpc_ = prev->pc(cx);
17098     ((void) 0);
17099     ((void) 0);
17100     setAnnotation(prev->annotation());
17101 }
17102 inline void
17103 JSStackFrame::initGlobalFrame(JSScript *script, JSObject &chain, uint32 flagsArg)
17104 {
17105     ((void) 0);
17106     js::Value *vp = (js::Value *)this - 2;
17107     vp[0].setUndefined();
17108     vp[1].setUndefined();
17109     flags_ = flagsArg | JSFRAME_GLOBAL | JSFRAME_HAS_PREVPC | JSFRAME_HAS_SCOPECHAIN;
17110     exec.script = script;
17111     args.script = (JSScript *)0xbad;
17112     scopeChain_ = &chain;
17113     prev_ = __null;
17114     ((void) 0);
17115     ((void) 0);
17116     ((void) 0);
17117 }
17118 inline void
17119 JSStackFrame::initDummyFrame(JSContext *cx, JSObject &chain)
17120 {
17121     js::PodZero(this);
17122     flags_ = JSFRAME_DUMMY | JSFRAME_HAS_PREVPC | JSFRAME_HAS_SCOPECHAIN;
17123     initPrev(cx);
17124     chain.isGlobal();
17125     setScopeChainNoCallObj(chain);
17126 }
17127 inline void
17128 JSStackFrame::stealFrameAndSlots(js::Value *vp, JSStackFrame *otherfp,
17129                                  js::Value *othervp, js::Value *othersp)
17130 {
17131     ((void) 0);
17132     ((void) 0);
17133     ((void) 0);
17134     ((void) 0);
17135     PodCopy(vp, othervp, othersp - othervp);
17136     ((void) 0);
17137     if (otherfp->hasOverflowArgs())
17138         Debug_SetValueRangeToCrashOnTouch(othervp, othervp + 2 + otherfp->numFormalArgs());
17139     if (hasCallObj()) {
17140         callObj().setPrivate(this);
17141         otherfp->flags_ &= ~JSFRAME_HAS_CALL_OBJ;
17142         if (js_IsNamedLambda(fun())) {
17143             JSObject *env = callObj().getParent();
17144             ((void) 0);
17145             env->setPrivate(this);
17146         }
17147     }
17148     if (hasArgsObj()) {
17149         JSObject &args = argsObj();
17150         ((void) 0);
17151         if (args.isNormalArguments())
17152             args.setPrivate(this);
17153         else
17154             ((void) 0);
17155         otherfp->flags_ &= ~JSFRAME_HAS_ARGS_OBJ;
17156     }
17157 }
17158 inline js::Value &
17159 JSStackFrame::canonicalActualArg(uintN i) const
17160 {
17161     if (i < numFormalArgs())
17162         return formalArg(i);
17163     ((void) 0);
17164     return actualArgs()[i];
17165 }
17166 template <class Op>
17167 inline void
17168 JSStackFrame::forEachCanonicalActualArg(Op op)
17169 {
17170     uintN nformal = fun()->nargs;
17171     js::Value *formals = formalArgsEnd() - nformal;
17172     uintN nactual = numActualArgs();
17173     if (nactual <= nformal) {
17174         uintN i = 0;
17175         js::Value *actualsEnd = formals + nactual;
17176         for (js::Value *p = formals; p != actualsEnd; ++p, ++i)
17177             op(i, p);
17178     } else {
17179         uintN i = 0;
17180         js::Value *formalsEnd = formalArgsEnd();
17181         for (js::Value *p = formals; p != formalsEnd; ++p, ++i)
17182             op(i, p);
17183         js::Value *actuals = formalsEnd - (nactual + 2);
17184         js::Value *actualsEnd = formals - 2;
17185         for (js::Value *p = actuals; p != actualsEnd; ++p, ++i)
17186             op(i, p);
17187     }
17188 }
17189 template <class Op>
17190 inline void
17191 JSStackFrame::forEachFormalArg(Op op)
17192 {
17193     js::Value *formals = formalArgsEnd() - fun()->nargs;
17194     js::Value *formalsEnd = formalArgsEnd();
17195     uintN i = 0;
17196     for (js::Value *p = formals; p != formalsEnd; ++p, ++i)
17197         op(i, p);
17198 }
17199 namespace js {
17200 struct CopyNonHoleArgsTo
17201 {
17202     CopyNonHoleArgsTo(JSObject *aobj, Value *dst) : aobj(aobj), dst(dst) {}
17203     JSObject *aobj;
17204     Value *dst;
17205     void operator()(uintN argi, Value *src) {
17206         if (aobj->getArgsElement(argi).isMagic(JS_ARGS_HOLE))
17207             dst->setUndefined();
17208         else
17209             *dst = *src;
17210         ++dst;
17211     }
17212 };
17213 struct CopyTo
17214 {
17215     Value *dst;
17216     CopyTo(Value *dst) : dst(dst) {}
17217     void operator()(uintN, Value *src) {
17218         *dst++ = *src;
17219     }
17220 };
17221 }
17222 __attribute__((always_inline)) inline void
17223 JSStackFrame::clearMissingArgs()
17224 {
17225     if (flags_ & JSFRAME_UNDERFLOW_ARGS)
17226         SetValueRangeToUndefined(formalArgs() + numActualArgs(), formalArgsEnd());
17227 }
17228 inline
17229        bool
17230 JSStackFrame::computeThis(JSContext *cx)
17231 {
17232     js::Value &thisv = thisValue();
17233     if (thisv.isObject())
17234         return true;
17235     if (isFunctionFrame()) {
17236         if (fun()->inStrictMode())
17237             return true;
17238         ((void) 0);
17239     }
17240     if (!js::BoxThisForVp(cx, &thisv - 1))
17241         return false;
17242     return true;
17243 }
17244 inline JSObject &
17245 JSStackFrame::varobj(js::StackSegment *seg) const
17246 {
17247     ((void) 0);
17248     return isFunctionFrame() ? callObj() : seg->getInitialVarObj();
17249 }
17250 inline JSObject &
17251 JSStackFrame::varobj(JSContext *cx) const
17252 {
17253     ((void) 0);
17254     return isFunctionFrame() ? callObj() : cx->activeSegment()->getInitialVarObj();
17255 }
17256 inline uintN
17257 JSStackFrame::numActualArgs() const
17258 {
17259     ((void) 0);
17260     if ((__builtin_expect((flags_ & (JSFRAME_OVERFLOW_ARGS | JSFRAME_UNDERFLOW_ARGS)), 0)))
17261         return hasArgsObj() ? argsObj().getArgsInitialLength() : args.nactual;
17262     return numFormalArgs();
17263 }
17264 inline js::Value *
17265 JSStackFrame::actualArgs() const
17266 {
17267     ((void) 0);
17268     js::Value *argv = formalArgs();
17269     if ((__builtin_expect((flags_ & JSFRAME_OVERFLOW_ARGS), 0))) {
17270         uintN nactual = hasArgsObj() ? argsObj().getArgsInitialLength() : args.nactual;
17271         return argv - (2 + nactual);
17272     }
17273     return argv;
17274 }
17275 inline js::Value *
17276 JSStackFrame::actualArgsEnd() const
17277 {
17278     ((void) 0);
17279     if ((__builtin_expect((flags_ & JSFRAME_OVERFLOW_ARGS), 0)))
17280         return formalArgs() - 2;
17281     return formalArgs() + numActualArgs();
17282 }
17283 inline void
17284 JSStackFrame::setArgsObj(JSObject &obj)
17285 {
17286     ((void) 0);
17287     ((void) 0);
17288     args.obj = &obj;
17289     flags_ |= JSFRAME_HAS_ARGS_OBJ;
17290 }
17291 inline void
17292 JSStackFrame::clearArgsObj()
17293 {
17294     ((void) 0);
17295     args.nactual = args.obj->getArgsInitialLength();
17296     flags_ ^= JSFRAME_HAS_ARGS_OBJ;
17297 }
17298 inline void
17299 JSStackFrame::setScopeChainNoCallObj(JSObject &obj)
17300 {
17301     scopeChain_ = &obj;
17302     flags_ |= JSFRAME_HAS_SCOPECHAIN;
17303     ((void) 0);
17304 }
17305 inline void
17306 JSStackFrame::setScopeChainAndCallObj(JSObject &obj)
17307 {
17308     ((void) 0);
17309     ((void) 0);
17310     scopeChain_ = &obj;
17311     flags_ |= JSFRAME_HAS_SCOPECHAIN | JSFRAME_HAS_CALL_OBJ;
17312 }
17313 inline void
17314 JSStackFrame::clearCallObj()
17315 {
17316     ((void) 0);
17317     flags_ ^= JSFRAME_HAS_CALL_OBJ;
17318 }
17319 inline JSObject &
17320 JSStackFrame::callObj() const
17321 {
17322     ((void) 0);
17323     JSObject *pobj = &scopeChain();
17324     while ((__builtin_expect((pobj->getClass() != &js_CallClass), 0))) {
17325         ((void) 0);
17326         pobj = pobj->getParent();
17327     }
17328     return *pobj;
17329 }
17330 inline JSObject *
17331 JSStackFrame::maybeCallObj() const
17332 {
17333     return hasCallObj() ? &callObj() : __null;
17334 }
17335 namespace js {
17336 class AutoPreserveEnumerators {
17337     JSContext *cx;
17338     JSObject *enumerators;
17339   public:
17340     AutoPreserveEnumerators(JSContext *cx) : cx(cx), enumerators(cx->enumerators)
17341     {
17342     }
17343     ~AutoPreserveEnumerators()
17344     {
17345         cx->enumerators = enumerators;
17346     }
17347 };
17348 struct AutoInterpPreparer {
17349     JSContext *cx;
17350     JSScript *script;
17351     AutoInterpPreparer(JSContext *cx, JSScript *script)
17352       : cx(cx), script(script)
17353     {
17354         cx->interpLevel++;
17355     }
17356     ~AutoInterpPreparer()
17357     {
17358         --cx->interpLevel;
17359     }
17360 };
17361 inline void
17362 PutActivationObjects(JSContext *cx, JSStackFrame *fp)
17363 {
17364     ((void) 0);
17365     ((void) 0);
17366     if (fp->hasCallObj()) {
17367         js_PutCallObject(cx, fp);
17368     } else if (fp->hasArgsObj()) {
17369         js_PutArgsObject(cx, fp);
17370     }
17371 }
17372 inline void
17373 PutOwnedActivationObjects(JSContext *cx, JSStackFrame *fp)
17374 {
17375     ((void) 0);
17376     if (!fp->isEvalFrame() || fp->script()->strictModeCode)
17377         PutActivationObjects(cx, fp);
17378 }
17379 class InvokeSessionGuard
17380 {
17381     InvokeArgsGuard args_;
17382     InvokeFrameGuard frame_;
17383     Value savedCallee_, savedThis_;
17384     Value *formals_, *actuals_;
17385     unsigned nformals_;
17386     JSScript *script_;
17387     Value *stackLimit_;
17388     jsbytecode *stop_;
17389     bool optimized() const { return frame_.pushed(); }
17390   public:
17391     InvokeSessionGuard() : args_(), frame_() {}
17392     inline ~InvokeSessionGuard();
17393     bool start(JSContext *cx, const Value &callee, const Value &thisv, uintN argc);
17394     bool invoke(JSContext *cx) const;
17395     bool started() const {
17396         return args_.pushed();
17397     }
17398     Value &operator[](unsigned i) const {
17399         ((void) 0);
17400         Value &arg = i < nformals_ ? formals_[i] : actuals_[i];
17401         ((void) 0);
17402         ((void) 0);
17403         return arg;
17404     }
17405     uintN argc() const {
17406         return args_.argc();
17407     }
17408     const Value &rval() const {
17409         return optimized() ? frame_.fp()->returnValue() : args_.rval();
17410     }
17411 };
17412 inline
17413 InvokeSessionGuard::~InvokeSessionGuard()
17414 {
17415     if (frame_.pushed())
17416         PutActivationObjects(frame_.pushedFrameContext(), frame_.fp());
17417 }
17418 inline
17419        bool
17420 InvokeSessionGuard::invoke(JSContext *cx) const
17421 {
17422     formals_[-2] = savedCallee_;
17423     formals_[-1] = savedThis_;
17424     if (!optimized())
17425         return Invoke(cx, args_, 0);
17426     JSStackFrame *fp = frame_.fp();
17427     fp->clearMissingArgs();
17428     PutActivationObjects(cx, frame_.fp());
17429     fp->resetInvokeCallFrame();
17430     SetValueRangeToUndefined(fp->slots(), script_->nfixed);
17431     JSBool ok;
17432     {
17433         AutoPreserveEnumerators preserve(cx);
17434         Probes::enterJSFun(cx, fp->fun(), script_);
17435         cx->regs->pc = script_->code;
17436         ok = Interpret(cx, cx->fp());
17437         Probes::exitJSFun(cx, fp->fun(), script_);
17438     }
17439     return ok;
17440 }
17441 namespace detail {
17442 template<typename T> class PrimitiveBehavior { };
17443 template<>
17444 class PrimitiveBehavior<JSString *> {
17445   public:
17446     static inline bool isType(const Value &v) { return v.isString(); }
17447     static inline JSString *extract(const Value &v) { return v.toString(); }
17448     static inline Class *getClass() { return &js_StringClass; }
17449 };
17450 template<>
17451 class PrimitiveBehavior<bool> {
17452   public:
17453     static inline bool isType(const Value &v) { return v.isBoolean(); }
17454     static inline bool extract(const Value &v) { return v.toBoolean(); }
17455     static inline Class *getClass() { return &js_BooleanClass; }
17456 };
17457 template<>
17458 class PrimitiveBehavior<double> {
17459   public:
17460     static inline bool isType(const Value &v) { return v.isNumber(); }
17461     static inline double extract(const Value &v) { return v.toNumber(); }
17462     static inline Class *getClass() { return &js_NumberClass; }
17463 };
17464 }
17465 inline
17466        bool
17467 ComputeImplicitThis(JSContext *cx, JSObject *obj, const Value &funval, Value *vp)
17468 {
17469     vp->setUndefined();
17470     if (!funval.isObject())
17471         return true;
17472     if (!obj->isGlobal()) {
17473         if (IsCacheableNonGlobalScope(obj))
17474             return true;
17475     } else {
17476         JSObject *callee = &funval.toObject();
17477         if (callee->isProxy()) {
17478             callee = callee->unwrap();
17479             if (!callee->isFunction())
17480                 return true;
17481         }
17482         if (callee->isFunction()) {
17483             JSFunction *fun = callee->getFunctionPrivate();
17484             if (fun->isInterpreted() && fun->inStrictMode())
17485                 return true;
17486         }
17487         if (callee->getGlobal() == cx->fp()->scopeChain().getGlobal())
17488             return true;;
17489     }
17490     obj = obj->thisObject(cx);
17491     if (!obj)
17492         return false;
17493     vp->setObject(*obj);
17494     return true;
17495 }
17496 template <typename T>
17497 bool
17498 GetPrimitiveThis(JSContext *cx, Value *vp, T *v)
17499 {
17500     typedef detail::PrimitiveBehavior<T> Behavior;
17501     const Value &thisv = vp[1];
17502     if (Behavior::isType(thisv)) {
17503         *v = Behavior::extract(thisv);
17504         return true;
17505     }
17506     if (thisv.isObject() && thisv.toObject().getClass() == Behavior::getClass()) {
17507         *v = Behavior::extract(thisv.toObject().getPrimitiveThis());
17508         return true;
17509     }
17510     ReportIncompatibleMethod(cx, vp, Behavior::getClass());
17511     return false;
17512 }
17513 __attribute__((always_inline)) inline JSObject *
17514 ValuePropertyBearer(JSContext *cx, const Value &v, int spindex)
17515 {
17516     if (v.isObject())
17517         return &v.toObject();
17518     JSProtoKey protoKey;
17519     if (v.isString()) {
17520         protoKey = JSProto_String;
17521     } else if (v.isNumber()) {
17522         protoKey = JSProto_Number;
17523     } else if (v.isBoolean()) {
17524         protoKey = JSProto_Boolean;
17525     } else {
17526         ((void) 0);
17527         js_ReportIsNullOrUndefined(cx, spindex, v, __null);
17528         return __null;
17529     }
17530     JSObject *pobj;
17531     if (!js_GetClassPrototype(cx, __null, protoKey, &pobj))
17532         return __null;
17533     return pobj;
17534 }
17535 static inline
17536               bool
17537 ScriptEpilogue(JSContext *cx, JSStackFrame *fp, JSBool ok)
17538 {
17539     if (!fp->isExecuteFrame())
17540         Probes::exitJSFun(cx, fp->maybeFun(), fp->maybeScript());
17541     JSInterpreterHook hook =
17542         fp->isExecuteFrame() ? cx->debugHooks->executeHook : cx->debugHooks->callHook;
17543     void* hookData;
17544     if ((__builtin_expect((hook != __null), 0)) && (hookData = fp->maybeHookData()))
17545         hook(cx, fp, (JSIntn)0, &ok, hookData);
17546     if (fp->isEvalFrame()) {
17547         if (fp->script()->strictModeCode) {
17548             ((void) 0);
17549             ((void) 0);
17550             ((void) 0);
17551             ((void) 0);
17552             js_PutCallObject(cx, fp);
17553         }
17554     } else {
17555         if (fp->isFunctionFrame() && !fp->isYielding()) {
17556             ((void) 0);
17557             PutActivationObjects(cx, fp);
17558         }
17559     }
17560     if (fp->isConstructing() && ok) {
17561         if (fp->returnValue().isPrimitive())
17562             fp->setReturnValue(ObjectValue(fp->constructorThis()));
17563         ;
17564     }
17565     return ok;
17566 }
17567 }
17568 extern js::Class js_DateClass;
17569 inline
17570        bool
17571 JSObject::isDate() const
17572 {
17573     return getClass() == &js_DateClass;
17574 }
17575 extern JSObject *
17576 js_InitDateClass(JSContext *cx, JSObject *obj);
17577 extern __attribute__((visibility ("default"))) JSObject*
17578 js_NewDateObjectMsec(JSContext* cx, jsdouble msec_time);
17579 extern __attribute__((visibility ("default"))) JSObject*
17580 js_NewDateObject(JSContext* cx, int year, int mon, int mday,
17581                  int hour, int min, int sec);
17582 extern __attribute__((visibility ("default"))) JSBool
17583 js_DateIsValid(JSContext *cx, JSObject* obj);
17584 extern __attribute__((visibility ("default"))) int
17585 js_DateGetYear(JSContext *cx, JSObject* obj);
17586 extern __attribute__((visibility ("default"))) int
17587 js_DateGetMonth(JSContext *cx, JSObject* obj);
17588 extern __attribute__((visibility ("default"))) int
17589 js_DateGetDate(JSContext *cx, JSObject* obj);
17590 extern __attribute__((visibility ("default"))) int
17591 js_DateGetHours(JSContext *cx, JSObject* obj);
17592 extern __attribute__((visibility ("default"))) int
17593 js_DateGetMinutes(JSContext *cx, JSObject* obj);
17594 extern __attribute__((visibility ("default"))) int
17595 js_DateGetSeconds(JSContext *cx, JSObject* obj);
17596 extern __attribute__((visibility ("default"))) jsdouble
17597 js_DateGetMsecSinceEpoch(JSContext *cx, JSObject *obj);
17598 typedef uint32 JSIntervalTime;
17599 extern __attribute__((visibility ("default"))) JSIntervalTime
17600 js_IntervalNow();
17601 JSBool
17602 js_Date(JSContext *cx, uintN argc, js::Value *vp);
17603 namespace js {
17604 struct NativeIterator {
17605     JSObject *obj;
17606     jsid *props_array;
17607     jsid *props_cursor;
17608     jsid *props_end;
17609     uint32 *shapes_array;
17610     uint32 shapes_length;
17611     uint32 shapes_key;
17612     uint32 flags;
17613     JSObject *next;
17614     bool isKeyIter() const { return (flags & 0x2) == 0; }
17615     inline jsid *begin() const {
17616         return props_array;
17617     }
17618     inline jsid *end() const {
17619         return props_end;
17620     }
17621     size_t numKeys() const {
17622         return end() - begin();
17623     }
17624     jsid *current() const {
17625         ((void) 0);
17626         return props_cursor;
17627     }
17628     void incCursor() {
17629         props_cursor = props_cursor + 1;
17630     }
17631     static NativeIterator *allocateIterator(JSContext *cx, uint32 slength,
17632                                             const js::AutoIdVector &props);
17633     void init(JSObject *obj, uintN flags, uint32 slength, uint32 key);
17634     void mark(JSTracer *trc);
17635 };
17636 bool
17637 VectorToIdArray(JSContext *cx, js::AutoIdVector &props, JSIdArray **idap);
17638 __attribute__((visibility ("default"))) bool
17639 GetPropertyNames(JSContext *cx, JSObject *obj, uintN flags, js::AutoIdVector *props);
17640 bool
17641 GetIterator(JSContext *cx, JSObject *obj, uintN flags, js::Value *vp);
17642 bool
17643 VectorToKeyIterator(JSContext *cx, JSObject *obj, uintN flags, js::AutoIdVector &props, js::Value *vp);
17644 bool
17645 VectorToValueIterator(JSContext *cx, JSObject *obj, uintN flags, js::AutoIdVector &props, js::Value *vp);
17646 bool
17647 EnumeratedIdVectorToIterator(JSContext *cx, JSObject *obj, uintN flags, js::AutoIdVector &props, js::Value *vp);
17648 }
17649 extern __attribute__((visibility ("default"))) JSBool
17650 js_ValueToIterator(JSContext *cx, uintN flags, js::Value *vp);
17651 extern __attribute__((visibility ("default"))) JSBool
17652 js_CloseIterator(JSContext *cx, JSObject *iterObj);
17653 bool
17654 js_SuppressDeletedProperty(JSContext *cx, JSObject *obj, jsid id);
17655 bool
17656 js_SuppressDeletedIndexProperties(JSContext *cx, JSObject *obj, jsint begin, jsint end);
17657 extern JSBool
17658 js_IteratorMore(JSContext *cx, JSObject *iterobj, js::Value *rval);
17659 extern JSBool
17660 js_IteratorNext(JSContext *cx, JSObject *iterobj, js::Value *rval);
17661 extern JSBool
17662 js_ThrowStopIteration(JSContext *cx);
17663 typedef enum JSGeneratorState {
17664     JSGEN_NEWBORN,
17665     JSGEN_OPEN,
17666     JSGEN_RUNNING,
17667     JSGEN_CLOSING,
17668     JSGEN_CLOSED
17669 } JSGeneratorState;
17670 struct JSGenerator {
17671     JSObject *obj;
17672     JSGeneratorState state;
17673     JSFrameRegs regs;
17674     JSObject *enumerators;
17675     JSStackFrame *floating;
17676     js::Value floatingStack[1];
17677     JSStackFrame *floatingFrame() {
17678         return floating;
17679     }
17680     JSStackFrame *liveFrame() {
17681         ((void) 0)
17682                                                ;
17683         return regs.fp;
17684     }
17685 };
17686 extern JSObject *
17687 js_NewGenerator(JSContext *cx);
17688 inline JSStackFrame *
17689 js_FloatingFrameIfGenerator(JSContext *cx, JSStackFrame *fp)
17690 {
17691     ((void) 0);
17692     if ((__builtin_expect((fp->isGeneratorFrame()), 0)))
17693         return cx->generatorFor(fp)->floatingFrame();
17694     return fp;
17695 }
17696 extern JSGenerator *
17697 js_FloatingFrameToGenerator(JSStackFrame *fp);
17698 inline JSStackFrame *
17699 js_LiveFrameIfGenerator(JSStackFrame *fp)
17700 {
17701     return fp->isGeneratorFrame() ? js_FloatingFrameToGenerator(fp)->liveFrame() : fp;
17702 }
17703 extern js::Class js_GeneratorClass;
17704 extern js::Class js_IteratorClass;
17705 extern js::Class js_StopIterationClass;
17706 static inline
17707               bool
17708 js_ValueIsStopIteration(const js::Value &v)
17709 {
17710     return v.isObject() && v.toObject().getClass() == &js_StopIterationClass;
17711 }
17712 extern JSObject *
17713 js_InitIteratorClasses(JSContext *cx, JSObject *obj);
17714 namespace js {
17715 class __attribute__((visibility ("default"))) JSProxyHandler {
17716     void *mFamily;
17717   public:
17718     explicit JSProxyHandler(void *family);
17719     virtual ~JSProxyHandler();
17720     virtual bool getPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set,
17721                                        PropertyDescriptor *desc) = 0;
17722     virtual bool getOwnPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set,
17723                                           PropertyDescriptor *desc) = 0;
17724     virtual bool defineProperty(JSContext *cx, JSObject *proxy, jsid id,
17725                                 PropertyDescriptor *desc) = 0;
17726     virtual bool getOwnPropertyNames(JSContext *cx, JSObject *proxy, js::AutoIdVector &props) = 0;
17727     virtual bool delete_(JSContext *cx, JSObject *proxy, jsid id, bool *bp) = 0;
17728     virtual bool enumerate(JSContext *cx, JSObject *proxy, js::AutoIdVector &props) = 0;
17729     virtual bool fix(JSContext *cx, JSObject *proxy, Value *vp) = 0;
17730     virtual bool has(JSContext *cx, JSObject *proxy, jsid id, bool *bp);
17731     virtual bool hasOwn(JSContext *cx, JSObject *proxy, jsid id, bool *bp);
17732     virtual bool get(JSContext *cx, JSObject *proxy, JSObject *receiver, jsid id, js::Value *vp);
17733     virtual bool set(JSContext *cx, JSObject *proxy, JSObject *receiver, jsid id, bool strict,
17734                      js::Value *vp);
17735     virtual bool keys(JSContext *cx, JSObject *proxy, js::AutoIdVector &props);
17736     virtual bool iterate(JSContext *cx, JSObject *proxy, uintN flags, js::Value *vp);
17737     virtual bool call(JSContext *cx, JSObject *proxy, uintN argc, js::Value *vp);
17738     virtual bool construct(JSContext *cx, JSObject *proxy,
17739                                           uintN argc, js::Value *argv, js::Value *rval);
17740     virtual bool hasInstance(JSContext *cx, JSObject *proxy, const js::Value *vp, bool *bp);
17741     virtual JSType typeOf(JSContext *cx, JSObject *proxy);
17742     virtual JSString *obj_toString(JSContext *cx, JSObject *proxy);
17743     virtual JSString *fun_toString(JSContext *cx, JSObject *proxy, uintN indent);
17744     virtual void finalize(JSContext *cx, JSObject *proxy);
17745     virtual void trace(JSTracer *trc, JSObject *proxy);
17746     virtual bool isOuterWindow() {
17747         return false;
17748     }
17749     inline void *family() {
17750         return mFamily;
17751     }
17752 };
17753 class JSProxy {
17754   public:
17755     static bool getPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set,
17756                                       PropertyDescriptor *desc);
17757     static bool getPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set, Value *vp);
17758     static bool getOwnPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set,
17759                                          PropertyDescriptor *desc);
17760     static bool getOwnPropertyDescriptor(JSContext *cx, JSObject *proxy, jsid id, bool set,
17761                                          Value *vp);
17762     static bool defineProperty(JSContext *cx, JSObject *proxy, jsid id, PropertyDescriptor *desc);
17763     static bool defineProperty(JSContext *cx, JSObject *proxy, jsid id, const Value &v);
17764     static bool getOwnPropertyNames(JSContext *cx, JSObject *proxy, js::AutoIdVector &props);
17765     static bool delete_(JSContext *cx, JSObject *proxy, jsid id, bool *bp);
17766     static bool enumerate(JSContext *cx, JSObject *proxy, js::AutoIdVector &props);
17767     static bool fix(JSContext *cx, JSObject *proxy, Value *vp);
17768     static bool has(JSContext *cx, JSObject *proxy, jsid id, bool *bp);
17769     static bool hasOwn(JSContext *cx, JSObject *proxy, jsid id, bool *bp);
17770     static bool get(JSContext *cx, JSObject *proxy, JSObject *receiver, jsid id, Value *vp);
17771     static bool set(JSContext *cx, JSObject *proxy, JSObject *receiver, jsid id, bool strict,
17772                     Value *vp);
17773     static bool keys(JSContext *cx, JSObject *proxy, js::AutoIdVector &props);
17774     static bool iterate(JSContext *cx, JSObject *proxy, uintN flags, Value *vp);
17775     static bool call(JSContext *cx, JSObject *proxy, uintN argc, js::Value *vp);
17776     static bool construct(JSContext *cx, JSObject *proxy, uintN argc, js::Value *argv, js::Value *rval);
17777     static bool hasInstance(JSContext *cx, JSObject *proxy, const js::Value *vp, bool *bp);
17778     static JSType typeOf(JSContext *cx, JSObject *proxy);
17779     static JSString *obj_toString(JSContext *cx, JSObject *proxy);
17780     static JSString *fun_toString(JSContext *cx, JSObject *proxy, uintN indent);
17781 };
17782 const uint32 JSSLOT_PROXY_HANDLER = 0;
17783 const uint32 JSSLOT_PROXY_PRIVATE = 1;
17784 const uint32 JSSLOT_PROXY_EXTRA = 2;
17785 const uint32 JSSLOT_PROXY_CALL = 3;
17786 const uint32 JSSLOT_PROXY_CONSTRUCT = 4;
17787 extern __attribute__((visibility ("default"))) js::Class ObjectProxyClass;
17788 extern __attribute__((visibility ("default"))) js::Class FunctionProxyClass;
17789 extern __attribute__((visibility ("default"))) js::Class OuterWindowProxyClass;
17790 extern js::Class CallableObjectClass;
17791 }
17792 inline
17793        bool
17794 JSObject::isObjectProxy() const
17795 {
17796     return getClass() == &js::ObjectProxyClass ||
17797            getClass() == &js::OuterWindowProxyClass;
17798 }
17799 inline
17800        bool
17801 JSObject::isFunctionProxy() const
17802 {
17803     return getClass() == &js::FunctionProxyClass;
17804 }
17805 inline
17806        bool
17807 JSObject::isProxy() const
17808 {
17809     return isObjectProxy() || isFunctionProxy();
17810 }
17811 inline js::JSProxyHandler *
17812 JSObject::getProxyHandler() const
17813 {
17814     ((void) 0);
17815     return (js::JSProxyHandler *) getSlot(js::JSSLOT_PROXY_HANDLER).toPrivate();
17816 }
17817 inline const js::Value &
17818 JSObject::getProxyPrivate() const
17819 {
17820     ((void) 0);
17821     return getSlot(js::JSSLOT_PROXY_PRIVATE);
17822 }
17823 inline void
17824 JSObject::setProxyPrivate(const js::Value &priv)
17825 {
17826     ((void) 0);
17827     setSlot(js::JSSLOT_PROXY_PRIVATE, priv);
17828 }
17829 inline const js::Value &
17830 JSObject::getProxyExtra() const
17831 {
17832     ((void) 0);
17833     return getSlot(js::JSSLOT_PROXY_EXTRA);
17834 }
17835 inline void
17836 JSObject::setProxyExtra(const js::Value &extra)
17837 {
17838     ((void) 0);
17839     setSlot(js::JSSLOT_PROXY_EXTRA, extra);
17840 }
17841 namespace js {
17842 __attribute__((visibility ("default"))) JSObject *
17843 NewProxyObject(JSContext *cx, JSProxyHandler *handler, const js::Value &priv,
17844                JSObject *proto, JSObject *parent,
17845                JSObject *call = __null, JSObject *construct = __null);
17846 __attribute__((visibility ("default"))) JSBool
17847 FixProxy(JSContext *cx, JSObject *proxy, JSBool *bp);
17848 }
17849 extern "C" {
17850 extern js::Class js_ProxyClass;
17851 extern __attribute__((visibility ("default"))) JSObject *
17852 js_InitProxyClass(JSContext *cx, JSObject *obj);
17853 }
17854 inline void
17855 js::Shape::freeTable(JSContext *cx)
17856 {
17857     if (hasTable()) {
17858         cx->destroy(getTable());
17859         setTable(__null);
17860     }
17861 }
17862 inline js::EmptyShape *
17863 JSObject::getEmptyShape(JSContext *cx, js::Class *aclasp,
17864                                                unsigned kind)
17865 {
17866     ((void) 0);
17867     int i = kind - js::gc::FINALIZE_OBJECT0;
17868     if (!emptyShapes) {
17869         emptyShapes = (js::EmptyShape**)
17870             cx->calloc(sizeof(js::EmptyShape*) * js::gc::JS_FINALIZE_OBJECT_LIMIT);
17871         if (!emptyShapes)
17872             return __null;
17873         emptyShapes[0] = js::EmptyShape::create(cx, aclasp);
17874         if (!emptyShapes[0]) {
17875             cx->free(emptyShapes);
17876             emptyShapes = __null;
17877             return __null;
17878         }
17879     }
17880     ((void) 0);
17881     if (!emptyShapes[i]) {
17882         emptyShapes[i] = js::EmptyShape::create(cx, aclasp);
17883         if (!emptyShapes[i])
17884             return __null;
17885     }
17886     return emptyShapes[i];
17887 }
17888 inline
17889        bool
17890 JSObject::canProvideEmptyShape(js::Class *aclasp)
17891 {
17892     return !emptyShapes || emptyShapes[0]->getClass() == aclasp;
17893 }
17894 inline void
17895 JSObject::updateShape(JSContext *cx)
17896 {
17897     ((void) 0);
17898     js::LeaveTraceIfGlobalObject(cx, this);
17899     if (hasOwnShape())
17900         setOwnShape(js_GenerateShape(cx));
17901     else
17902         objShape = lastProp->shape;
17903 }
17904 inline void
17905 JSObject::updateFlags(const js::Shape *shape, bool isDefinitelyAtom)
17906 {
17907     jsuint index;
17908     if (!isDefinitelyAtom && js_IdIsIndex(shape->id, &index))
17909         setIndexed();
17910     if (shape->isMethod())
17911         setMethodBarrier();
17912 }
17913 inline void
17914 JSObject::extend(JSContext *cx, const js::Shape *shape, bool isDefinitelyAtom)
17915 {
17916     setLastProperty(shape);
17917     updateFlags(shape, isDefinitelyAtom);
17918     updateShape(cx);
17919 }
17920 inline void
17921 JSObject::trace(JSTracer *trc)
17922 {
17923     if (!isNative())
17924         return;
17925     JSContext *cx = trc->context;
17926     js::Shape *shape = lastProp;
17927     if (((trc)->callback == __null) && cx->runtime->gcRegenShapes) {
17928         if (!shape->hasRegenFlag()) {
17929             shape->shape = js_RegenerateShapeForGC(cx->runtime);
17930             shape->setRegenFlag();
17931         }
17932         uint32 newShape = shape->shape;
17933         if (hasOwnShape()) {
17934             newShape = js_RegenerateShapeForGC(cx->runtime);
17935             ((void) 0);
17936         }
17937         objShape = newShape;
17938     }
17939     do {
17940         shape->trace(trc);
17941     } while ((shape = shape->parent) != __null);
17942 }
17943 namespace js {
17944 inline
17945 Shape::Shape(jsid id, js::PropertyOp getter, js::StrictPropertyOp setter, uint32 slot, uintN attrs,
17946              uintN flags, intN shortid, uint32 shape, uint32 slotSpan)
17947   : JSObjectMap(shape, slotSpan),
17948     numLinearSearches(0), id(id), rawGetter(getter), rawSetter(setter), slot(slot),
17949     attrs(uint8(attrs)), flags(uint8(flags)), shortid(int16(shortid)), parent(__null)
17950 {
17951     ((void) 0);
17952     ((void) 0);
17953     ((void) 0);
17954     kids.setNull();
17955 }
17956 inline
17957 Shape::Shape(JSCompartment *comp, Class *aclasp)
17958   : JSObjectMap(js_GenerateShape(comp->rt), (((aclasp)->flags >> 8) & (((JSUint32)1 << (8)) - 1))),
17959     numLinearSearches(0),
17960     id(((jsid)0x4)),
17961     clasp(aclasp),
17962     rawSetter(__null),
17963     slot(0xffffffff),
17964     attrs(0),
17965     flags(SHARED_EMPTY),
17966     shortid(0),
17967     parent(__null)
17968 {
17969     kids.setNull();
17970 }
17971 inline JSDHashNumber
17972 Shape::hash() const
17973 {
17974     JSDHashNumber hash = 0;
17975     ((void) 0);
17976     if (rawGetter)
17977         hash = (((hash) << (4)) | ((hash) >> (32 - (4)))) ^ jsuword(rawGetter);
17978     if (rawSetter)
17979         hash = (((hash) << (4)) | ((hash) >> (32 - (4)))) ^ jsuword(rawSetter);
17980     hash = (((hash) << (4)) | ((hash) >> (32 - (4)))) ^ (flags & PUBLIC_FLAGS);
17981     hash = (((hash) << (4)) | ((hash) >> (32 - (4)))) ^ attrs;
17982     hash = (((hash) << (4)) | ((hash) >> (32 - (4)))) ^ shortid;
17983     hash = (((hash) << (4)) | ((hash) >> (32 - (4)))) ^ slot;
17984     hash = (((hash) << (4)) | ((hash) >> (32 - (4)))) ^ (id);
17985     return hash;
17986 }
17987 inline
17988        bool
17989 Shape::matches(const js::Shape *other) const
17990 {
17991     ((void) 0);
17992     ((void) 0);
17993     return id == other->id &&
17994            matchesParamsAfterId(other->rawGetter, other->rawSetter, other->slot, other->attrs,
17995                                 other->flags, other->shortid);
17996 }
17997 inline
17998        bool
17999 Shape::matchesParamsAfterId(js::PropertyOp agetter, js::StrictPropertyOp asetter, uint32 aslot,
18000                             uintN aattrs, uintN aflags, intN ashortid) const
18001 {
18002     ((void) 0);
18003     return rawGetter == agetter &&
18004            rawSetter == asetter &&
18005            slot == aslot &&
18006            attrs == aattrs &&
18007            ((flags ^ aflags) & PUBLIC_FLAGS) == 0 &&
18008            shortid == ashortid;
18009 }
18010 inline
18011        bool
18012 Shape::get(JSContext* cx, JSObject *receiver, JSObject* obj, JSObject *pobj, js::Value* vp) const
18013 {
18014     ((void) 0);
18015     ((void) 0);
18016     if (hasGetterValue()) {
18017         ((void) 0);
18018         js::Value fval = getterValue();
18019         return js::ExternalGetOrSet(cx, receiver, id, fval, JSACC_READ, 0, 0, vp);
18020     }
18021     if (isMethod()) {
18022         vp->setObject(methodObject());
18023         return pobj->methodReadBarrier(cx, *this, vp);
18024     }
18025     if (obj->getClass() == &js_WithClass)
18026         obj = js_UnwrapWithObject(cx, obj);
18027     return js::CallJSPropertyOp(cx, getterOp(), obj, ((this)->hasShortID() ? INT_TO_JSID((this)->shortid) : (this)->id), vp);
18028 }
18029 inline
18030        bool
18031 Shape::set(JSContext* cx, JSObject* obj, bool strict, js::Value* vp) const
18032 {
18033     ((void) 0);
18034     if (attrs & 0x20) {
18035         js::Value fval = setterValue();
18036         return js::ExternalGetOrSet(cx, obj, id, fval, JSACC_WRITE, 1, vp, vp);
18037     }
18038     if (attrs & 0x10)
18039         return js_ReportGetterOnlyAssignment(cx);
18040     if (obj->getClass() == &js_WithClass)
18041         obj = js_UnwrapWithObject(cx, obj);
18042     return js::CallJSPropertyOpSetter(cx, setterOp(), obj, ((this)->hasShortID() ? INT_TO_JSID((this)->shortid) : (this)->id), strict, vp);
18043 }
18044 inline
18045 EmptyShape::EmptyShape(JSCompartment *comp, js::Class *aclasp)
18046   : js::Shape(comp, aclasp)
18047 {
18048 }
18049 }
18050 namespace js {
18051 namespace gc {
18052 const size_t SLOTS_TO_THING_KIND_LIMIT = 17;
18053 static inline FinalizeKind
18054 GetGCObjectKind(size_t numSlots)
18055 {
18056     extern FinalizeKind slotsToThingKind[];
18057     if (numSlots >= SLOTS_TO_THING_KIND_LIMIT)
18058         return FINALIZE_OBJECT0;
18059     return slotsToThingKind[numSlots];
18060 }
18061 static inline size_t
18062 GetGCKindSlots(FinalizeKind thingKind)
18063 {
18064     switch (thingKind) {
18065       case FINALIZE_OBJECT0:
18066         return 0;
18067       case FINALIZE_OBJECT2:
18068         return 2;
18069       case FINALIZE_OBJECT4:
18070         return 4;
18071       case FINALIZE_OBJECT8:
18072         return 8;
18073       case FINALIZE_OBJECT12:
18074         return 12;
18075       case FINALIZE_OBJECT16:
18076         return 16;
18077       default:
18078         ;
18079         return 0;
18080     }
18081 }
18082 }
18083 }
18084 template <typename T>
18085 __attribute__((always_inline)) inline T *
18086 NewFinalizableGCThing(JSContext *cx, unsigned thingKind)
18087 {
18088     ((void) 0);
18089     ((void) 0)
18090                                                               ;
18091     ((void) 0);
18092     do {
18093         js::gc::FreeCell *cell = cx->compartment->freeLists.getNext(thingKind);
18094         if (cell) {
18095             CheckGCFreeListLink(cell);
18096             return (T *)cell;
18097         }
18098         if (!RefillFinalizableFreeList(cx, thingKind))
18099             return __null;
18100     } while (true);
18101 }
18102 inline JSObject *
18103 js_NewGCObject(JSContext *cx, js::gc::FinalizeKind kind)
18104 {
18105     ((void) 0);
18106     JSObject *obj = NewFinalizableGCThing<JSObject>(cx, kind);
18107     if (obj)
18108         obj->capacity = js::gc::GetGCKindSlots(kind);
18109     return obj;
18110 }
18111 inline JSString *
18112 js_NewGCString(JSContext *cx)
18113 {
18114     return NewFinalizableGCThing<JSString>(cx, js::gc::FINALIZE_STRING);
18115 }
18116 inline JSShortString *
18117 js_NewGCShortString(JSContext *cx)
18118 {
18119     return NewFinalizableGCThing<JSShortString>(cx, js::gc::FINALIZE_SHORT_STRING);
18120 }
18121 inline JSExternalString *
18122 js_NewGCExternalString(JSContext *cx, uintN type)
18123 {
18124     ((void) 0);
18125     JSExternalString *str = NewFinalizableGCThing<JSExternalString>(cx, js::gc::FINALIZE_EXTERNAL_STRING);
18126     return str;
18127 }
18128 inline JSFunction*
18129 js_NewGCFunction(JSContext *cx)
18130 {
18131     JSFunction *fun = NewFinalizableGCThing<JSFunction>(cx, js::gc::FINALIZE_FUNCTION);
18132     if (fun)
18133         fun->capacity = JSObject::FUN_CLASS_RESERVED_SLOTS;
18134     return fun;
18135 }
18136 inline JSXML *
18137 js_NewGCXML(JSContext *cx)
18138 {
18139     return NewFinalizableGCThing<JSXML>(cx, js::gc::FINALIZE_XML);
18140 }
18141 namespace js {
18142 namespace gc {
18143 static __attribute__((always_inline)) inline void
18144 TypedMarker(JSTracer *trc, JSXML *thing);
18145 static __attribute__((always_inline)) inline void
18146 TypedMarker(JSTracer *trc, JSObject *thing);
18147 static __attribute__((always_inline)) inline void
18148 TypedMarker(JSTracer *trc, JSFunction *thing);
18149 static __attribute__((always_inline)) inline void
18150 TypedMarker(JSTracer *trc, JSShortString *thing);
18151 static __attribute__((always_inline)) inline void
18152 TypedMarker(JSTracer *trc, JSString *thing);
18153 template<typename T>
18154 static __attribute__((always_inline)) inline void
18155 Mark(JSTracer *trc, T *thing)
18156 {
18157     ((void) 0);
18158     ((void) 0);
18159     ((void) 0);
18160     ((void) 0);
18161     JSRuntime *rt = trc->context->runtime;
18162     if (rt->gcCurrentCompartment && thing->asCell()->compartment() != rt->gcCurrentCompartment)
18163         goto out;
18164     if (!((trc)->callback == __null)) {
18165         uint32 kind = GetGCThingTraceKind(thing);
18166         trc->callback(trc, thing, kind);
18167         goto out;
18168     }
18169     TypedMarker(trc, thing);
18170   out:
18171     return;
18172 }
18173 static inline void
18174 MarkString(JSTracer *trc, JSString *str)
18175 {
18176     ((void) 0);
18177     if (JSString::isStatic(str))
18178         return;
18179     ((void) 0);
18180     Mark(trc, str);
18181 }
18182 static inline void
18183 MarkString(JSTracer *trc, JSString *str, const char *name)
18184 {
18185     ((void) 0);
18186     do { } while (0);
18187     MarkString(trc, str);
18188 }
18189 static inline void
18190 MarkObject(JSTracer *trc, JSObject &obj, const char *name)
18191 {
18192     ((void) 0);
18193     ((void) 0);
18194     do { } while (0);
18195     ((void) 0)
18196                                                                              ;
18197     Mark(trc, &obj);
18198 }
18199 static inline void
18200 MarkChildren(JSTracer *trc, JSObject *obj)
18201 {
18202     if (!obj->map)
18203         return;
18204     if (JSObject *proto = obj->getProto())
18205         MarkObject(trc, *proto, "proto");
18206     if (JSObject *parent = obj->getParent())
18207         MarkObject(trc, *parent, "parent");
18208     if (obj->emptyShapes) {
18209         int count = FINALIZE_OBJECT_LAST - FINALIZE_OBJECT0 + 1;
18210         for (int i = 0; i < count; i++) {
18211             if (obj->emptyShapes[i])
18212                 obj->emptyShapes[i]->trace(trc);
18213         }
18214     }
18215     TraceOp op = obj->getOps()->trace;
18216     (op ? op : js_TraceObject)(trc, obj);
18217 }
18218 static inline void
18219 MarkChildren(JSTracer *trc, JSString *str)
18220 {
18221     if (str->isDependent())
18222         MarkString(trc, str->dependentBase(), "base");
18223     else if (str->isRope()) {
18224         MarkString(trc, str->ropeLeft(), "left child");
18225         MarkString(trc, str->ropeRight(), "right child");
18226     }
18227 }
18228 static inline void
18229 MarkChildren(JSTracer *trc, JSXML *xml)
18230 {
18231     js_TraceXML(trc, xml);
18232 }
18233 static inline
18234               bool
18235 RecursionTooDeep(GCMarker *gcmarker) {
18236     int stackDummy;
18237     return !((jsuword)(&stackDummy) > gcmarker->stackLimit);
18238 }
18239 static __attribute__((always_inline)) inline void
18240 TypedMarker(JSTracer *trc, JSXML *thing)
18241 {
18242     if (!reinterpret_cast<Cell *>(thing)->markIfUnmarked(reinterpret_cast<GCMarker *>(trc)->getMarkColor()))
18243         return;
18244     GCMarker *gcmarker = static_cast<GCMarker *>(trc);
18245     if (RecursionTooDeep(gcmarker)) {
18246         gcmarker->delayMarkingChildren(thing);
18247     } else {
18248         MarkChildren(trc, thing);
18249     }
18250 }
18251 static __attribute__((always_inline)) inline void
18252 TypedMarker(JSTracer *trc, JSObject *thing)
18253 {
18254     ((void) 0);
18255     ((void) 0);
18256     GCMarker *gcmarker = static_cast<GCMarker *>(trc);
18257     if (!thing->markIfUnmarked(gcmarker->getMarkColor()))
18258         return;
18259     if (RecursionTooDeep(gcmarker)) {
18260         gcmarker->delayMarkingChildren(thing);
18261     } else {
18262         MarkChildren(trc, thing);
18263     }
18264 }
18265 static __attribute__((always_inline)) inline void
18266 TypedMarker(JSTracer *trc, JSFunction *thing)
18267 {
18268     ((void) 0);
18269     ((void) 0);
18270     GCMarker *gcmarker = static_cast<GCMarker *>(trc);
18271     if (!thing->markIfUnmarked(gcmarker->getMarkColor()))
18272         return;
18273     if (RecursionTooDeep(gcmarker)) {
18274         gcmarker->delayMarkingChildren(thing);
18275     } else {
18276         MarkChildren(trc, static_cast<JSObject *>(thing));
18277     }
18278 }
18279 static __attribute__((always_inline)) inline void
18280 TypedMarker(JSTracer *trc, JSShortString *thing)
18281 {
18282     (void) thing->asCell()->markIfUnmarked();
18283 }
18284 }
18285 namespace detail {
18286 static __attribute__((always_inline)) inline JSString *
18287 Tag(JSString *str)
18288 {
18289     ((void) 0);
18290     return (JSString *)(size_t(str) | 1);
18291 }
18292 static __attribute__((always_inline)) inline
18293                         bool
18294 Tagged(JSString *str)
18295 {
18296     return (size_t(str) & 1) != 0;
18297 }
18298 static __attribute__((always_inline)) inline JSString *
18299 Untag(JSString *str)
18300 {
18301     ((void) 0);
18302     return (JSString *)(size_t(str) & ~size_t(1));
18303 }
18304 static __attribute__((always_inline)) inline void
18305 NonRopeTypedMarker(JSRuntime *rt, JSString *str)
18306 {
18307     ((void) 0);
18308     if (rt->gcCurrentCompartment) {
18309         for (;;) {
18310             if (JSString::isStatic(str))
18311                 break;
18312             if (str->asCell()->compartment() != rt->gcCurrentCompartment) {
18313                 ((void) 0);
18314                 break;
18315             }
18316             if (!str->asCell()->markIfUnmarked())
18317                 break;
18318             if (!str->isDependent())
18319                 break;
18320             str = str->dependentBase();
18321         }
18322     } else {
18323         while (!JSString::isStatic(str) &&
18324                str->asCell()->markIfUnmarked() &&
18325                str->isDependent()) {
18326             str = str->dependentBase();
18327         }
18328     }
18329 }
18330 }
18331 namespace gc {
18332 static __attribute__((always_inline)) inline void
18333 TypedMarker(JSTracer *trc, JSString *str)
18334 {
18335     using namespace detail;
18336     JSRuntime *rt = trc->context->runtime;
18337     ((void) 0);
18338     if (!str->isRope()) {
18339         NonRopeTypedMarker(rt, str);
18340         return;
18341     }
18342     JSString *parent = __null;
18343     first_visit_node: {
18344         ((void) 0);
18345         ((void) 0);
18346         if (!str->asCell()->markIfUnmarked())
18347             goto finish_node;
18348         JSString *left = str->ropeLeft();
18349         if (left->isRope()) {
18350             ((void) 0);
18351             str->u.left = Tag(parent);
18352             parent = str;
18353             str = left;
18354             goto first_visit_node;
18355         }
18356         ((void) 0)
18357                                                                               ;
18358         NonRopeTypedMarker(rt, left);
18359     }
18360     visit_right_child: {
18361         JSString *right = str->ropeRight();
18362         if (right->isRope()) {
18363             ((void) 0);
18364             str->s.right = Tag(parent);
18365             parent = str;
18366             str = right;
18367             goto first_visit_node;
18368         }
18369         ((void) 0)
18370                                                                                ;
18371         NonRopeTypedMarker(rt, right);
18372     }
18373     finish_node: {
18374         if (!parent)
18375             return;
18376         if (Tagged(parent->u.left)) {
18377             ((void) 0);
18378             JSString *nextParent = Untag(parent->u.left);
18379             parent->u.left = str;
18380             str = parent;
18381             parent = nextParent;
18382             goto visit_right_child;
18383         }
18384         ((void) 0);
18385         JSString *nextParent = Untag(parent->s.right);
18386         parent->s.right = str;
18387         str = parent;
18388         parent = nextParent;
18389         goto finish_node;
18390     }
18391 }
18392 static inline void
18393 MarkAtomRange(JSTracer *trc, size_t len, JSAtom **vec, const char *name)
18394 {
18395     for (uint32 i = 0; i < len; i++) {
18396         if (JSAtom *atom = vec[i]) {
18397             do { } while (0);
18398             JSString *str = (atom);
18399             if (!JSString::isStatic(str))
18400                 Mark(trc, str);
18401         }
18402     }
18403 }
18404 static inline void
18405 MarkObjectRange(JSTracer *trc, size_t len, JSObject **vec, const char *name)
18406 {
18407     for (uint32 i = 0; i < len; i++) {
18408         if (JSObject *obj = vec[i]) {
18409             do { } while (0);
18410             Mark(trc, obj);
18411         }
18412     }
18413 }
18414 static inline void
18415 MarkId(JSTracer *trc, jsid id)
18416 {
18417     if (JSID_IS_STRING(id)) {
18418         JSString *str = JSID_TO_STRING(id);
18419         if (!JSString::isStatic(str))
18420             Mark(trc, str);
18421     }
18422     else if ((__builtin_expect((JSID_IS_OBJECT(id)), 0)))
18423         Mark(trc, JSID_TO_OBJECT(id));
18424 }
18425 static inline void
18426 MarkId(JSTracer *trc, jsid id, const char *name)
18427 {
18428     do { } while (0);
18429     MarkId(trc, id);
18430 }
18431 static inline void
18432 MarkIdRange(JSTracer *trc, jsid *beg, jsid *end, const char *name)
18433 {
18434     for (jsid *idp = beg; idp != end; ++idp) {
18435         do { } while (0);
18436         MarkId(trc, *idp);
18437     }
18438 }
18439 static inline void
18440 MarkIdRange(JSTracer *trc, size_t len, jsid *vec, const char *name)
18441 {
18442     MarkIdRange(trc, vec, vec + len, name);
18443 }
18444 static inline void
18445 MarkKind(JSTracer *trc, void *thing, uint32 kind)
18446 {
18447     ((void) 0);
18448     ((void) 0);
18449     switch (kind) {
18450         case 0:
18451             Mark(trc, reinterpret_cast<JSObject *>(thing));
18452             break;
18453         case 1:
18454             MarkString(trc, reinterpret_cast<JSString *>(thing));
18455             break;
18456         case 2:
18457             Mark(trc, reinterpret_cast<JSXML *>(thing));
18458             break;
18459         default:
18460             ((void) 0);
18461     }
18462 }
18463 static inline void
18464 MarkValueRaw(JSTracer *trc, const js::Value &v)
18465 {
18466     if (v.isMarkable()) {
18467         ((void) 0);
18468         return MarkKind(trc, v.toGCThing(), v.gcKind());
18469     }
18470 }
18471 static inline void
18472 MarkValue(JSTracer *trc, const js::Value &v, const char *name)
18473 {
18474     do { } while (0);
18475     MarkValueRaw(trc, v);
18476 }
18477 static inline void
18478 MarkValueRange(JSTracer *trc, Value *beg, Value *end, const char *name)
18479 {
18480     for (Value *vp = beg; vp < end; ++vp) {
18481         do { } while (0);
18482         MarkValueRaw(trc, *vp);
18483     }
18484 }
18485 static inline void
18486 MarkValueRange(JSTracer *trc, size_t len, Value *vec, const char *name)
18487 {
18488     MarkValueRange(trc, vec, vec + len, name);
18489 }
18490 static inline void
18491 MarkShapeRange(JSTracer *trc, const Shape **beg, const Shape **end, const char *name)
18492 {
18493     for (const Shape **sp = beg; sp < end; ++sp) {
18494         do { } while (0);
18495         (*sp)->trace(trc);
18496     }
18497 }
18498 static inline void
18499 MarkShapeRange(JSTracer *trc, size_t len, const Shape **vec, const char *name)
18500 {
18501     MarkShapeRange(trc, vec, vec + len, name);
18502 }
18503 static inline void
18504 MarkGCThing(JSTracer *trc, void *thing, uint32 kind)
18505 {
18506     if (!thing)
18507         return;
18508     MarkKind(trc, thing, kind);
18509 }
18510 static inline void
18511 MarkGCThing(JSTracer *trc, void *thing)
18512 {
18513     if (!thing)
18514         return;
18515     MarkKind(trc, thing, GetGCThingTraceKind(thing));
18516 }
18517 static inline void
18518 MarkGCThing(JSTracer *trc, void *thing, const char *name)
18519 {
18520     do { } while (0);
18521     MarkGCThing(trc, thing);
18522 }
18523 static inline void
18524 MarkGCThing(JSTracer *trc, void *thing, const char *name, size_t index)
18525 {
18526     do { } while (0);
18527     MarkGCThing(trc, thing);
18528 }
18529 static inline void
18530 Mark(JSTracer *trc, void *thing, uint32 kind, const char *name)
18531 {
18532     ((void) 0);
18533     do { } while (0);
18534     MarkKind(trc, thing, kind);
18535 }
18536 }}
18537 inline
18538        bool
18539 JSObject::preventExtensions(JSContext *cx, js::AutoIdVector *props)
18540 {
18541     ((void) 0);
18542     if (js::FixOp fix = getOps()->fix) {
18543         bool success;
18544         if (!fix(cx, this, &success, props))
18545             return false;
18546         if (!success) {
18547             JS_ReportErrorNumber(cx, js_GetErrorMessage, __null, JSMSG_CANT_CHANGE_EXTENSIBILITY);
18548             return false;
18549         }
18550     } else {
18551         if (!GetPropertyNames(cx, this, 0x10 | 0x8, props))
18552             return false;
18553     }
18554     if (isNative())
18555         extensibleShapeChange(cx);
18556     flags |= NOT_EXTENSIBLE;
18557     return true;
18558 }
18559 inline
18560        bool
18561 JSObject::brand(JSContext *cx)
18562 {
18563     ((void) 0);
18564     ((void) 0);
18565     ((void) 0);
18566     generateOwnShape(cx);
18567     if (js_IsPropertyCacheDisabled(cx))
18568         return false;
18569     flags |= BRANDED;
18570     return true;
18571 }
18572 inline
18573        bool
18574 JSObject::unbrand(JSContext *cx)
18575 {
18576     ((void) 0);
18577     if (branded()) {
18578         generateOwnShape(cx);
18579         if (js_IsPropertyCacheDisabled(cx))
18580             return false;
18581         flags &= ~BRANDED;
18582     }
18583     setGeneric();
18584     return true;
18585 }
18586 inline void
18587 JSObject::syncSpecialEquality()
18588 {
18589     if (clasp->ext.equality)
18590         flags |= JSObject::HAS_EQUALITY;
18591 }
18592 inline void
18593 JSObject::finalize(JSContext *cx)
18594 {
18595     if (!map)
18596         return;
18597     js::Class *clasp = getClass();
18598     if (clasp->finalize)
18599         clasp->finalize(cx, this);
18600     js::Probes::finalizeObject(this);
18601     finish(cx);
18602 }
18603 inline const js::Shape *
18604 JSObject::methodReadBarrier(JSContext *cx, const js::Shape &shape, js::Value *vp)
18605 {
18606     ((void) 0);
18607     ((void) 0);
18608     ((void) 0);
18609     ((void) 0);
18610     ((void) 0);
18611     ((void) 0);
18612     ((void) 0);
18613     ((void) 0);
18614     ((void) 0);
18615     JSObject *funobj = &vp->toObject();
18616     JSFunction *fun = funobj->getFunctionPrivate();
18617     ((void) 0);
18618     ((void) 0);
18619     funobj = CloneFunctionObject(cx, fun, funobj->getParent());
18620     if (!funobj)
18621         return __null;
18622     funobj->setMethodObj(*this);
18623     uint32 slot = shape.slot;
18624     const js::Shape *newshape = methodShapeChange(cx, shape);
18625     if (!newshape)
18626         return __null;
18627     ((void) 0);
18628     ((void) 0);
18629     vp->setObject(*funobj);
18630     nativeSetSlot(slot, *vp);
18631     return newshape;
18632 }
18633 static __attribute__((always_inline)) inline
18634                         bool
18635 ChangesMethodValue(const js::Value &prev, const js::Value &v)
18636 {
18637     JSObject *prevObj;
18638     return prev.isObject() && (prevObj = &prev.toObject())->isFunction() &&
18639            (!v.isObject() || &v.toObject() != prevObj);
18640 }
18641 inline const js::Shape *
18642 JSObject::methodWriteBarrier(JSContext *cx, const js::Shape &shape, const js::Value &v)
18643 {
18644     if (brandedOrHasMethodBarrier() && shape.slot != 0xffffffff) {
18645         const js::Value &prev = nativeGetSlot(shape.slot);
18646         if (ChangesMethodValue(prev, v)) {
18647             ((void)0);
18648             return methodShapeChange(cx, shape);
18649         }
18650     }
18651     return &shape;
18652 }
18653 inline
18654        bool
18655 JSObject::methodWriteBarrier(JSContext *cx, uint32 slot, const js::Value &v)
18656 {
18657     if (brandedOrHasMethodBarrier()) {
18658         const js::Value &prev = nativeGetSlot(slot);
18659         if (ChangesMethodValue(prev, v)) {
18660             ((void)0);
18661             return methodShapeChange(cx, slot);
18662         }
18663     }
18664     return true;
18665 }
18666 inline
18667        bool
18668 JSObject::ensureClassReservedSlots(JSContext *cx)
18669 {
18670     return !nativeEmpty() || ensureClassReservedSlotsForEmptyObject(cx);
18671 }
18672 inline js::Value
18673 JSObject::getReservedSlot(uintN index) const
18674 {
18675     return (index < numSlots()) ? getSlot(index) : js::UndefinedValue();
18676 }
18677 inline
18678        bool
18679 JSObject::canHaveMethodBarrier() const
18680 {
18681     return isObject() || isFunction() || isPrimitive() || isDate();
18682 }
18683 inline
18684        bool
18685 JSObject::isPrimitive() const
18686 {
18687     return isNumber() || isString() || isBoolean();
18688 }
18689 inline const js::Value &
18690 JSObject::getPrimitiveThis() const
18691 {
18692     ((void) 0);
18693     return getSlot(JSSLOT_PRIMITIVE_THIS);
18694 }
18695 inline void
18696 JSObject::setPrimitiveThis(const js::Value &pthis)
18697 {
18698     ((void) 0);
18699     setSlot(JSSLOT_PRIMITIVE_THIS, pthis);
18700 }
18701 inline unsigned
18702 JSObject::finalizeKind() const
18703 {
18704     return js::gc::FinalizeKind(arena()->header()->thingKind);
18705 }
18706 inline size_t
18707 JSObject::numFixedSlots() const
18708 {
18709     if (isFunction())
18710         return JSObject::FUN_CLASS_RESERVED_SLOTS;
18711     if (!hasSlotsArray())
18712         return capacity;
18713     return js::gc::GetGCKindSlots(js::gc::FinalizeKind(finalizeKind()));
18714 }
18715 inline size_t
18716 JSObject::slotsAndStructSize(uint32 nslots) const
18717 {
18718     bool isFun = isFunction() && this == (JSObject*) getPrivate();
18719     int ndslots = hasSlotsArray() ? nslots : 0;
18720     int nfslots = isFun ? 0 : numFixedSlots();
18721     return sizeof(js::Value) * (ndslots + nfslots)
18722            + isFun ? sizeof(JSFunction) : sizeof(JSObject);
18723 }
18724 inline uint32
18725 JSObject::getArrayLength() const
18726 {
18727     ((void) 0);
18728     return (uint32)(size_t) getPrivate();
18729 }
18730 inline void
18731 JSObject::setArrayLength(uint32 length)
18732 {
18733     ((void) 0);
18734     setPrivate((void*) length);
18735 }
18736 inline uint32
18737 JSObject::getDenseArrayCapacity()
18738 {
18739     ((void) 0);
18740     return numSlots();
18741 }
18742 inline js::Value*
18743 JSObject::getDenseArrayElements()
18744 {
18745     ((void) 0);
18746     return getSlots();
18747 }
18748 inline const js::Value &
18749 JSObject::getDenseArrayElement(uintN idx)
18750 {
18751     ((void) 0);
18752     return getSlot(idx);
18753 }
18754 inline js::Value *
18755 JSObject::addressOfDenseArrayElement(uintN idx)
18756 {
18757     ((void) 0);
18758     return &getSlotRef(idx);
18759 }
18760 inline void
18761 JSObject::setDenseArrayElement(uintN idx, const js::Value &val)
18762 {
18763     ((void) 0);
18764     setSlot(idx, val);
18765 }
18766 inline void
18767 JSObject::shrinkDenseArrayElements(JSContext *cx, uintN cap)
18768 {
18769     ((void) 0);
18770     shrinkSlots(cx, cap);
18771 }
18772 inline void
18773 JSObject::setArgsLength(uint32 argc)
18774 {
18775     ((void) 0);
18776     ((void) 0);
18777     ((void) 0);
18778     getSlotRef(JSSLOT_ARGS_LENGTH).setInt32(argc << ARGS_PACKED_BITS_COUNT);
18779     ((void) 0);
18780 }
18781 inline uint32
18782 JSObject::getArgsInitialLength() const
18783 {
18784     ((void) 0);
18785     uint32 argc = uint32(getSlot(JSSLOT_ARGS_LENGTH).toInt32()) >> ARGS_PACKED_BITS_COUNT;
18786     ((void) 0);
18787     return argc;
18788 }
18789 inline void
18790 JSObject::setArgsLengthOverridden()
18791 {
18792     ((void) 0);
18793     getSlotRef(JSSLOT_ARGS_LENGTH).getInt32Ref() |= ARGS_LENGTH_OVERRIDDEN_BIT;
18794 }
18795 inline
18796        bool
18797 JSObject::isArgsLengthOverridden() const
18798 {
18799     ((void) 0);
18800     const js::Value &v = getSlot(JSSLOT_ARGS_LENGTH);
18801     return v.toInt32() & ARGS_LENGTH_OVERRIDDEN_BIT;
18802 }
18803 inline js::ArgumentsData *
18804 JSObject::getArgsData() const
18805 {
18806     ((void) 0);
18807     return (js::ArgumentsData *) getSlot(JSSLOT_ARGS_DATA).toPrivate();
18808 }
18809 inline void
18810 JSObject::setArgsData(js::ArgumentsData *data)
18811 {
18812     ((void) 0);
18813     getSlotRef(JSSLOT_ARGS_DATA).setPrivate(data);
18814 }
18815 inline const js::Value &
18816 JSObject::getArgsCallee() const
18817 {
18818     return getArgsData()->callee;
18819 }
18820 inline void
18821 JSObject::setArgsCallee(const js::Value &callee)
18822 {
18823     getArgsData()->callee = callee;
18824 }
18825 inline const js::Value &
18826 JSObject::getArgsElement(uint32 i) const
18827 {
18828     ((void) 0);
18829     ((void) 0);
18830     return getArgsData()->slots[i];
18831 }
18832 inline js::Value *
18833 JSObject::getArgsElements() const
18834 {
18835     ((void) 0);
18836     return getArgsData()->slots;
18837 }
18838 inline js::Value *
18839 JSObject::addressOfArgsElement(uint32 i)
18840 {
18841     ((void) 0);
18842     ((void) 0);
18843     return &getArgsData()->slots[i];
18844 }
18845 inline void
18846 JSObject::setArgsElement(uint32 i, const js::Value &v)
18847 {
18848     ((void) 0);
18849     ((void) 0);
18850     getArgsData()->slots[i] = v;
18851 }
18852 inline
18853        bool
18854 JSObject::callIsForEval() const
18855 {
18856     ((void) 0);
18857     ((void) 0);
18858     ((void) 0)
18859                                                                      ;
18860     return getSlot(JSSLOT_CALL_CALLEE).isNull();
18861 }
18862 inline JSStackFrame *
18863 JSObject::maybeCallObjStackFrame() const
18864 {
18865     ((void) 0);
18866     return reinterpret_cast<JSStackFrame *>(getPrivate());
18867 }
18868 inline void
18869 JSObject::setCallObjCallee(JSObject *callee)
18870 {
18871     ((void) 0);
18872     ((void) 0);
18873     return getSlotRef(JSSLOT_CALL_CALLEE).setObjectOrNull(callee);
18874 }
18875 inline JSObject *
18876 JSObject::getCallObjCallee() const
18877 {
18878     ((void) 0);
18879     return getSlot(JSSLOT_CALL_CALLEE).toObjectOrNull();
18880 }
18881 inline JSFunction *
18882 JSObject::getCallObjCalleeFunction() const
18883 {
18884     ((void) 0);
18885     return getSlot(JSSLOT_CALL_CALLEE).toObject().getFunctionPrivate();
18886 }
18887 inline const js::Value &
18888 JSObject::getCallObjArguments() const
18889 {
18890     ((void) 0);
18891     ((void) 0);
18892     return getSlot(JSSLOT_CALL_ARGUMENTS);
18893 }
18894 inline void
18895 JSObject::setCallObjArguments(const js::Value &v)
18896 {
18897     ((void) 0);
18898     ((void) 0);
18899     setSlot(JSSLOT_CALL_ARGUMENTS, v);
18900 }
18901 inline const js::Value &
18902 JSObject::callObjArg(uintN i) const
18903 {
18904     ((void) 0);
18905     ((void) 0);
18906     return getSlot(JSObject::CALL_RESERVED_SLOTS + i);
18907 }
18908 inline js::Value &
18909 JSObject::callObjArg(uintN i)
18910 {
18911     ((void) 0);
18912     ((void) 0);
18913     return getSlotRef(JSObject::CALL_RESERVED_SLOTS + i);
18914 }
18915 inline const js::Value &
18916 JSObject::callObjVar(uintN i) const
18917 {
18918     JSFunction *fun = getCallObjCalleeFunction();
18919     ((void) 0);
18920     ((void) 0);
18921     return getSlot(JSObject::CALL_RESERVED_SLOTS + fun->nargs + i);
18922 }
18923 inline js::Value &
18924 JSObject::callObjVar(uintN i)
18925 {
18926     JSFunction *fun = getCallObjCalleeFunction();
18927     ((void) 0);
18928     ((void) 0);
18929     return getSlotRef(JSObject::CALL_RESERVED_SLOTS + fun->nargs + i);
18930 }
18931 inline const js::Value &
18932 JSObject::getDateUTCTime() const
18933 {
18934     ((void) 0);
18935     return getSlot(JSSLOT_DATE_UTC_TIME);
18936 }
18937 inline void
18938 JSObject::setDateUTCTime(const js::Value &time)
18939 {
18940     ((void) 0);
18941     setSlot(JSSLOT_DATE_UTC_TIME, time);
18942 }
18943 inline js::Value *
18944 JSObject::getFlatClosureUpvars() const
18945 {
18946     return (js::Value *) getSlot(JSSLOT_FLAT_CLOSURE_UPVARS).toPrivate();
18947 }
18948 inline js::Value
18949 JSObject::getFlatClosureUpvar(uint32 i) const
18950 {
18951     ((void) 0);
18952     return getFlatClosureUpvars()[i];
18953 }
18954 inline js::Value &
18955 JSObject::getFlatClosureUpvar(uint32 i)
18956 {
18957     ((void) 0);
18958     return getFlatClosureUpvars()[i];
18959 }
18960 inline void
18961 JSObject::setFlatClosureUpvars(js::Value *upvars)
18962 {
18963     ((void) 0);
18964     ((void) 0);
18965     getSlotRef(JSSLOT_FLAT_CLOSURE_UPVARS).setPrivate(upvars);
18966 }
18967 inline
18968        bool
18969 JSObject::hasMethodObj(const JSObject& obj) const
18970 {
18971     return JSSLOT_FUN_METHOD_OBJ < numSlots() &&
18972            getSlot(JSSLOT_FUN_METHOD_OBJ).isObject() &&
18973            &getSlot(JSSLOT_FUN_METHOD_OBJ).toObject() == &obj;
18974 }
18975 inline void
18976 JSObject::setMethodObj(JSObject& obj)
18977 {
18978     getSlotRef(JSSLOT_FUN_METHOD_OBJ).setObject(obj);
18979 }
18980 inline js::NativeIterator *
18981 JSObject::getNativeIterator() const
18982 {
18983     return (js::NativeIterator *) getPrivate();
18984 }
18985 inline void
18986 JSObject::setNativeIterator(js::NativeIterator *ni)
18987 {
18988     setPrivate(ni);
18989 }
18990 inline JSLinearString *
18991 JSObject::getNamePrefix() const
18992 {
18993     ((void) 0);
18994     const js::Value &v = getSlot(JSSLOT_NAME_PREFIX);
18995     return !v.isUndefined() ? v.toString()->assertIsLinear() : __null;
18996 }
18997 inline jsval
18998 JSObject::getNamePrefixVal() const
18999 {
19000     ((void) 0);
19001     return js::Jsvalify(getSlot(JSSLOT_NAME_PREFIX));
19002 }
19003 inline void
19004 JSObject::setNamePrefix(JSLinearString *prefix)
19005 {
19006     ((void) 0);
19007     setSlot(JSSLOT_NAME_PREFIX, prefix ? js::StringValue(prefix) : js::UndefinedValue());
19008 }
19009 inline void
19010 JSObject::clearNamePrefix()
19011 {
19012     ((void) 0);
19013     setSlot(JSSLOT_NAME_PREFIX, js::UndefinedValue());
19014 }
19015 inline JSLinearString *
19016 JSObject::getNameURI() const
19017 {
19018     ((void) 0);
19019     const js::Value &v = getSlot(JSSLOT_NAME_URI);
19020     return !v.isUndefined() ? v.toString()->assertIsLinear() : __null;
19021 }
19022 inline jsval
19023 JSObject::getNameURIVal() const
19024 {
19025     ((void) 0);
19026     return js::Jsvalify(getSlot(JSSLOT_NAME_URI));
19027 }
19028 inline void
19029 JSObject::setNameURI(JSLinearString *uri)
19030 {
19031     ((void) 0);
19032     setSlot(JSSLOT_NAME_URI, uri ? js::StringValue(uri) : js::UndefinedValue());
19033 }
19034 inline jsval
19035 JSObject::getNamespaceDeclared() const
19036 {
19037     ((void) 0);
19038     return js::Jsvalify(getSlot(JSSLOT_NAMESPACE_DECLARED));
19039 }
19040 inline void
19041 JSObject::setNamespaceDeclared(jsval decl)
19042 {
19043     ((void) 0);
19044     setSlot(JSSLOT_NAMESPACE_DECLARED, js::Valueify(decl));
19045 }
19046 inline JSLinearString *
19047 JSObject::getQNameLocalName() const
19048 {
19049     ((void) 0);
19050     const js::Value &v = getSlot(JSSLOT_QNAME_LOCAL_NAME);
19051     return !v.isUndefined() ? v.toString()->assertIsLinear() : __null;
19052 }
19053 inline jsval
19054 JSObject::getQNameLocalNameVal() const
19055 {
19056     ((void) 0);
19057     return js::Jsvalify(getSlot(JSSLOT_QNAME_LOCAL_NAME));
19058 }
19059 inline void
19060 JSObject::setQNameLocalName(JSLinearString *name)
19061 {
19062     ((void) 0);
19063     setSlot(JSSLOT_QNAME_LOCAL_NAME, name ? js::StringValue(name) : js::UndefinedValue());
19064 }
19065 inline JSObject *
19066 JSObject::getWithThis() const
19067 {
19068     return &getSlot(JSSLOT_WITH_THIS).toObject();
19069 }
19070 inline void
19071 JSObject::setWithThis(JSObject *thisp)
19072 {
19073     getSlotRef(JSSLOT_WITH_THIS).setObject(*thisp);
19074 }
19075 inline void
19076 JSObject::init(JSContext *cx, js::Class *aclasp, JSObject *proto, JSObject *parent,
19077                void *priv, bool useHoles)
19078 {
19079     clasp = aclasp;
19080     flags = 0;
19081     setProto(proto);
19082     setParent(parent);
19083     privateData = priv;
19084     slots = fixedSlots();
19085     ((void) 0);
19086     ClearValueRange(slots, capacity, useHoles);
19087     emptyShapes = __null;
19088 }
19089 inline void
19090 JSObject::finish(JSContext *cx)
19091 {
19092     if (hasSlotsArray())
19093         freeSlotsArray(cx);
19094     if (emptyShapes)
19095         cx->free(emptyShapes);
19096 }
19097 inline
19098        bool
19099 JSObject::initSharingEmptyShape(JSContext *cx,
19100                                 js::Class *aclasp,
19101                                 JSObject *proto,
19102                                 JSObject *parent,
19103                                 void *privateValue,
19104                                                            unsigned kind)
19105 {
19106     init(cx, aclasp, proto, parent, privateValue, false);
19107     ((void) 0);
19108     js::EmptyShape *empty = proto->getEmptyShape(cx, aclasp, kind);
19109     if (!empty)
19110         return false;
19111     setMap(empty);
19112     return true;
19113 }
19114 inline void
19115 JSObject::freeSlotsArray(JSContext *cx)
19116 {
19117     ((void) 0);
19118     cx->free(slots);
19119 }
19120 inline void
19121 JSObject::revertToFixedSlots(JSContext *cx)
19122 {
19123     ((void) 0);
19124     size_t fixed = numFixedSlots();
19125     ((void) 0);
19126     memcpy(fixedSlots(), slots, fixed * sizeof(js::Value));
19127     freeSlotsArray(cx);
19128     slots = fixedSlots();
19129     capacity = fixed;
19130 }
19131 inline
19132        bool
19133 JSObject::hasProperty(JSContext *cx, jsid id, bool *foundp, uintN flags)
19134 {
19135     JSObject *pobj;
19136     JSProperty *prop;
19137     JSAutoResolveFlags rf(cx, flags);
19138     if (!lookupProperty(cx, id, &pobj, &prop))
19139         return false;
19140     *foundp = !!prop;
19141     return true;
19142 }
19143 inline
19144        bool
19145 JSObject::isCallable()
19146 {
19147     return isFunction() || getClass()->call;
19148 }
19149 static inline
19150               bool
19151 js_IsCallable(const js::Value &v)
19152 {
19153     return v.isObject() && v.toObject().isCallable();
19154 }
19155 namespace js {
19156 class AutoPropDescArrayRooter : private AutoGCRooter
19157 {
19158   public:
19159     AutoPropDescArrayRooter(JSContext *cx)
19160       : AutoGCRooter(cx, DESCRIPTORS), descriptors(cx)
19161     { }
19162     PropDesc *append() {
19163         if (!descriptors.append(PropDesc()))
19164             return __null;
19165         return &descriptors.back();
19166     }
19167     PropDesc& operator[](size_t i) {
19168         ((void) 0);
19169         return descriptors[i];
19170     }
19171     friend void AutoGCRooter::trace(JSTracer *trc);
19172   private:
19173     PropDescArray descriptors;
19174 };
19175 class AutoPropertyDescriptorRooter : private AutoGCRooter, public PropertyDescriptor
19176 {
19177   public:
19178     AutoPropertyDescriptorRooter(JSContext *cx) : AutoGCRooter(cx, DESCRIPTOR) {
19179         obj = __null;
19180         attrs = 0;
19181         getter = (PropertyOp) __null;
19182         setter = (StrictPropertyOp) __null;
19183         value.setUndefined();
19184     }
19185     AutoPropertyDescriptorRooter(JSContext *cx, PropertyDescriptor *desc)
19186       : AutoGCRooter(cx, DESCRIPTOR)
19187     {
19188         obj = desc->obj;
19189         attrs = desc->attrs;
19190         getter = desc->getter;
19191         setter = desc->setter;
19192         value = desc->value;
19193     }
19194     friend void AutoGCRooter::trace(JSTracer *trc);
19195 };
19196 static inline
19197               bool
19198 InitScopeForObject(JSContext* cx, JSObject* obj, js::Class *clasp, JSObject* proto,
19199                    gc::FinalizeKind kind)
19200 {
19201     ((void) 0);
19202     ((void) 0);
19203     js::EmptyShape *empty = __null;
19204     if (proto) {
19205         if (proto->canProvideEmptyShape(clasp)) {
19206             empty = proto->getEmptyShape(cx, clasp, kind);
19207             if (!empty)
19208                 goto bad;
19209         }
19210     }
19211     if (!empty) {
19212         empty = js::EmptyShape::create(cx, clasp);
19213         if (!empty)
19214             goto bad;
19215         uint32 freeslot = (((clasp)->flags >> 8) & (((JSUint32)1 << (8)) - 1));
19216         if (freeslot > obj->numSlots() && !obj->allocSlots(cx, freeslot))
19217             goto bad;
19218     }
19219     obj->setMap(empty);
19220     return true;
19221   bad:
19222     ((void) 0);
19223     return false;
19224 }
19225 static inline JSObject *
19226 NewNativeClassInstance(JSContext *cx, Class *clasp, JSObject *proto,
19227                        JSObject *parent, gc::FinalizeKind kind)
19228 {
19229     ((void) 0);
19230     ((void) 0);
19231     JSObject* obj = js_NewGCObject(cx, kind);
19232     if (obj) {
19233         bool useHoles = (clasp == &js_ArrayClass);
19234         obj->init(cx, clasp, proto, parent, __null, useHoles);
19235         ((void) 0);
19236         js::EmptyShape *empty = proto->getEmptyShape(cx, clasp, kind);
19237         if (empty)
19238             obj->setMap(empty);
19239         else
19240             obj = __null;
19241     }
19242     return obj;
19243 }
19244 static inline JSObject *
19245 NewNativeClassInstance(JSContext *cx, Class *clasp, JSObject *proto, JSObject *parent)
19246 {
19247     gc::FinalizeKind kind = gc::GetGCObjectKind((((clasp)->flags >> 8) & (((JSUint32)1 << (8)) - 1)));
19248     return NewNativeClassInstance(cx, clasp, proto, parent, kind);
19249 }
19250 bool
19251 FindClassPrototype(JSContext *cx, JSObject *scope, JSProtoKey protoKey, JSObject **protop,
19252                    Class *clasp);
19253 static inline JSObject *
19254 NewBuiltinClassInstance(JSContext *cx, Class *clasp, gc::FinalizeKind kind)
19255 {
19256     ((void) 0);
19257     JSProtoKey protoKey = ((JSProtoKey) (((clasp)->flags >> ((8 + 8) + 8)) & (((JSUint32)1 << (8)) - 1)));
19258     ((void) 0);
19259     JSObject *global;
19260     if (!cx->hasfp()) {
19261         global = cx->globalObject;
19262         OBJ_TO_INNER_OBJECT(cx, global);
19263         if (!global)
19264             return __null;
19265     } else {
19266         global = cx->fp()->scopeChain().getGlobal();
19267     }
19268     ((void) 0);
19269     const Value &v = global->getReservedSlot(JSProto_LIMIT + protoKey);
19270     JSObject *proto;
19271     if (v.isObject()) {
19272         proto = &v.toObject();
19273         ((void) 0);
19274     } else {
19275         if (!FindClassPrototype(cx, global, protoKey, &proto, clasp))
19276             return __null;
19277     }
19278     return NewNativeClassInstance(cx, clasp, proto, global, kind);
19279 }
19280 static inline JSObject *
19281 NewBuiltinClassInstance(JSContext *cx, Class *clasp)
19282 {
19283     gc::FinalizeKind kind = gc::GetGCObjectKind((((clasp)->flags >> 8) & (((JSUint32)1 << (8)) - 1)));
19284     return NewBuiltinClassInstance(cx, clasp, kind);
19285 }
19286 static inline JSProtoKey
19287 GetClassProtoKey(js::Class *clasp)
19288 {
19289     JSProtoKey key = ((JSProtoKey) (((clasp)->flags >> ((8 + 8) + 8)) & (((JSUint32)1 << (8)) - 1)));
19290     if (key != JSProto_Null)
19291         return key;
19292     if (clasp->flags & (1<<((8 + 8)+1)))
19293         return JSProto_Object;
19294     return JSProto_Null;
19295 }
19296 namespace WithProto {
19297     enum e {
19298         Class = 0,
19299         Given = 1
19300     };
19301 }
19302 static __attribute__((always_inline)) inline
19303                         bool
19304 FindProto(JSContext *cx, js::Class *clasp, JSObject *parent, JSObject ** proto)
19305 {
19306     JSProtoKey protoKey = GetClassProtoKey(clasp);
19307     if (!js_GetClassPrototype(cx, parent, protoKey, proto, clasp))
19308         return false;
19309     if (!(*proto) && !js_GetClassPrototype(cx, parent, JSProto_Object, proto))
19310         return false;
19311     return true;
19312 }
19313 namespace detail
19314 {
19315 template <bool withProto, bool isFunction>
19316 static __attribute__((always_inline)) inline JSObject *
19317 NewObject(JSContext *cx, js::Class *clasp, JSObject *proto, JSObject *parent,
19318           gc::FinalizeKind kind)
19319 {
19320     if (withProto == WithProto::Class && !proto) {
19321         if (!FindProto(cx, clasp, parent, &proto))
19322           return __null;
19323     }
19324     JSObject* obj = isFunction ? js_NewGCFunction(cx) : js_NewGCObject(cx, kind);
19325     if (!obj)
19326         goto out;
19327     ((void) 0);
19328     obj->init(cx, clasp, proto,
19329               (!parent && proto) ? proto->getParent() : parent,
19330               __null, clasp == &js_ArrayClass);
19331     if (clasp->isNative()) {
19332         if (!InitScopeForObject(cx, obj, clasp, proto, kind)) {
19333             obj = __null;
19334             goto out;
19335         }
19336     } else {
19337         obj->setSharedNonNativeMap();
19338     }
19339 out:
19340     Probes::createObject(cx, obj);
19341     return obj;
19342 }
19343 }
19344 static __attribute__((always_inline)) inline JSObject *
19345 NewFunction(JSContext *cx, JSObject *parent)
19346 {
19347     return detail::NewObject<WithProto::Class, true>(cx, &js_FunctionClass, __null, parent,
19348                                                      gc::FINALIZE_OBJECT2);
19349 }
19350 template <WithProto::e withProto>
19351 static __attribute__((always_inline)) inline JSObject *
19352 NewNonFunction(JSContext *cx, js::Class *clasp, JSObject *proto, JSObject *parent,
19353                gc::FinalizeKind kind)
19354 {
19355     return detail::NewObject<withProto, false>(cx, clasp, proto, parent, kind);
19356 }
19357 template <WithProto::e withProto>
19358 static __attribute__((always_inline)) inline JSObject *
19359 NewNonFunction(JSContext *cx, js::Class *clasp, JSObject *proto, JSObject *parent)
19360 {
19361     gc::FinalizeKind kind = gc::GetGCObjectKind((((clasp)->flags >> 8) & (((JSUint32)1 << (8)) - 1)));
19362     return detail::NewObject<withProto, false>(cx, clasp, proto, parent, kind);
19363 }
19364 template <WithProto::e withProto>
19365 static __attribute__((always_inline)) inline JSObject *
19366 NewObject(JSContext *cx, js::Class *clasp, JSObject *proto, JSObject *parent,
19367           gc::FinalizeKind kind)
19368 {
19369     if (clasp == &js_FunctionClass)
19370         return detail::NewObject<withProto, true>(cx, clasp, proto, parent, kind);
19371     return detail::NewObject<withProto, false>(cx, clasp, proto, parent, kind);
19372 }
19373 template <WithProto::e withProto>
19374 static __attribute__((always_inline)) inline JSObject *
19375 NewObject(JSContext *cx, js::Class *clasp, JSObject *proto, JSObject *parent)
19376 {
19377     gc::FinalizeKind kind = gc::GetGCObjectKind((((clasp)->flags >> 8) & (((JSUint32)1 << (8)) - 1)));
19378     return NewObject<withProto>(cx, clasp, proto, parent, kind);
19379 }
19380 static inline gc::FinalizeKind
19381 GuessObjectGCKind(size_t numSlots, bool isArray)
19382 {
19383     if (numSlots)
19384         return gc::GetGCObjectKind(numSlots);
19385     return isArray ? gc::FINALIZE_OBJECT8 : gc::FINALIZE_OBJECT4;
19386 }
19387 static inline gc::FinalizeKind
19388 NewObjectGCKind(JSContext *cx, js::Class *clasp)
19389 {
19390     if (clasp == &js_ArrayClass || clasp == &js_SlowArrayClass)
19391         return gc::FINALIZE_OBJECT8;
19392     if (clasp == &js_FunctionClass)
19393         return gc::FINALIZE_OBJECT2;
19394     return gc::FINALIZE_OBJECT4;
19395 }
19396 static inline JSObject *
19397 CopyInitializerObject(JSContext *cx, JSObject *baseobj)
19398 {
19399     ((void) 0);
19400     ((void) 0);
19401     gc::FinalizeKind kind = gc::FinalizeKind(baseobj->finalizeKind());
19402     JSObject *obj = NewBuiltinClassInstance(cx, &js_ObjectClass, kind);
19403     if (!obj || !obj->ensureSlots(cx, baseobj->numSlots()))
19404         return __null;
19405     obj->flags = baseobj->flags;
19406     obj->lastProp = baseobj->lastProp;
19407     obj->objShape = baseobj->objShape;
19408     return obj;
19409 }
19410 static __attribute__((always_inline)) inline
19411                         bool
19412 ClassMethodIsNative(JSContext *cx, JSObject *obj, Class *clasp, jsid methodid,
19413                     Native native)
19414 {
19415     ((void) 0);
19416     if (HasNativeMethod(obj, methodid, native))
19417         return true;
19418     JSObject *pobj = obj->getProto();
19419     return pobj && pobj->getClass() == clasp &&
19420            HasNativeMethod(pobj, methodid, native);
19421 }
19422 }
19423 using namespace js;
19424 using namespace js::gc;
19425 static inline
19426               bool
19427 js_EnterLocalRootScope(JSContext *cx)
19428 {
19429     return true;
19430 }
19431 static inline void
19432 js_LeaveLocalRootScope(JSContext *cx)
19433 {
19434 }
19435 static inline void
19436 js_LeaveLocalRootScopeWithResult(JSContext *cx, jsval rval)
19437 {
19438 }
19439 static inline void
19440 js_LeaveLocalRootScopeWithResult(JSContext *cx, Value rval)
19441 {
19442 }
19443 static inline void
19444 js_LeaveLocalRootScopeWithResult(JSContext *cx, void *rval)
19445 {
19446 }
19447 const char js_AttributeName_str[] = "AttributeName";
19448 const char js_isXMLName_str[] = "isXMLName";
19449 const char js_XMLList_str[] = "XMLList";
19450 const char js_localName_str[] = "localName";
19451 const char js_xml_parent_str[] = "parent";
19452 const char js_prefix_str[] = "prefix";
19453 const char js_toXMLString_str[] = "toXMLString";
19454 const char js_uri_str[] = "uri";
19455 const char js_amp_entity_str[] = "&amp;";
19456 const char js_gt_entity_str[] = "&gt;";
19457 const char js_lt_entity_str[] = "&lt;";
19458 const char js_quot_entity_str[] = "&quot;";
19459 const char js_leftcurly_entity_str[] = "&#123;";
19460 static JSBool
19461 GetXMLFunction(JSContext *cx, JSObject *obj, jsid id, jsval *vp);
19462 static JSBool
19463 IsDeclared(const JSObject *obj)
19464 {
19465     jsval v;
19466     ((void) 0);
19467     v = obj->getNamespaceDeclared();
19468     ((void) 0);
19469     return v == ((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)1));
19470 }
19471 static JSBool
19472 xml_isXMLName(JSContext *cx, uintN argc, jsval *vp)
19473 {
19474     *vp = BOOLEAN_TO_JSVAL(js_IsXMLName(cx, argc ? vp[2] : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0))));
19475     return (JSIntn)1;
19476 }
19477 static inline JSObject *
19478 NewBuiltinClassInstanceXML(JSContext *cx, Class *clasp)
19479 {
19480     JSObject *obj = NewBuiltinClassInstance(cx, clasp);
19481     if (obj)
19482         obj->syncSpecialEquality();
19483     return obj;
19484 }
19485 static JSBool NamePrefix_getter(JSContext *cx, JSObject *obj, jsid id, jsval *vp) { if (obj->getClass() == &js_NamespaceClass) *vp = obj->getNamePrefixVal(); return true; }
19486 static JSBool NameURI_getter(JSContext *cx, JSObject *obj, jsid id, jsval *vp) { if (obj->getClass() == &js_NamespaceClass) *vp = obj->getNameURIVal(); return true; }
19487 static JSBool
19488 namespace_equality(JSContext *cx, JSObject *obj, const Value *v, JSBool *bp)
19489 {
19490     JSObject *obj2;
19491     ((void) 0);
19492     obj2 = v->toObjectOrNull();
19493     *bp = (!obj2 || obj2->getClass() != &js_NamespaceClass)
19494           ? (JSIntn)0
19495           : EqualStrings(obj->getNameURI(), obj2->getNameURI());
19496     return (JSIntn)1;
19497 }
19498 __attribute__((visibility ("default"))) Class js_NamespaceClass = {
19499     "Namespace",
19500     (1<<6) |
19501     (((JSObject::NAMESPACE_CLASS_RESERVED_SLOTS) & (((JSUint32)1 << (8)) - 1)) << 8) |
19502     (1<<((8 + 8)+3)) | ((JSProto_Namespace) << ((8 + 8) + 8)),
19503     PropertyStub,
19504     PropertyStub,
19505     PropertyStub,
19506     StrictPropertyStub,
19507     EnumerateStub,
19508     ResolveStub,
19509     ConvertStub,
19510     FinalizeStub,
19511     __null,
19512     __null,
19513     __null,
19514     __null,
19515     __null,
19516     __null,
19517     __null,
19518     {
19519         namespace_equality,
19520         __null,
19521         __null,
19522         __null,
19523         __null,
19524     }
19525 };
19526 static JSPropertySpec namespace_props[] = {
19527     {js_prefix_str, 0, (0x01 | 0x02 | 0x04 | 0x40), NamePrefix_getter, 0},
19528     {js_uri_str, 0, (0x01 | 0x02 | 0x04 | 0x40), NameURI_getter, 0},
19529     {0,0,0,0,0}
19530 };
19531 static JSBool
19532 namespace_toString(JSContext *cx, uintN argc, Value *vp)
19533 {
19534     JSObject *obj = ToObject(cx, &vp[1]);
19535     if (!obj)
19536         return (JSIntn)0;
19537     if (!JS_InstanceOf(cx, obj, Jsvalify(&js_NamespaceClass), Jsvalify(vp + 2)))
19538         return (JSIntn)0;
19539     *vp = Valueify(obj->getNameURIVal());
19540     return (JSIntn)1;
19541 }
19542 static JSFunctionSpec namespace_methods[] = {
19543     {js_toString_str, ((JSNative)(namespace_toString)), 0, (0) | 0x1000},
19544     {__null, __null, 0, 0}
19545 };
19546 static JSObject *
19547 NewXMLNamespace(JSContext *cx, JSLinearString *prefix, JSLinearString *uri, JSBool declared)
19548 {
19549     JSObject *obj;
19550     obj = NewBuiltinClassInstanceXML(cx, &js_NamespaceClass);
19551     if (!obj)
19552         return (JSIntn)0;
19553     ((void) 0);
19554     ((void) 0);
19555     ((void) 0);
19556     if (prefix)
19557         obj->setNamePrefix(prefix);
19558     if (uri)
19559         obj->setNameURI(uri);
19560     if (declared)
19561         obj->setNamespaceDeclared(((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)1)));
19562     ;
19563     return obj;
19564 }
19565 static JSBool QNameNameURI_getter(JSContext *cx, JSObject *obj, jsid id, jsval *vp) { if (obj->getClass() == &js_QNameClass) *vp = JSVAL_IS_VOID(obj->getNameURIVal()) ? ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0)) : obj->getNameURIVal(); return true; }
19566 static JSBool QNameLocalName_getter(JSContext *cx, JSObject *obj, jsid id, jsval *vp) { if (obj->getClass() == &js_QNameClass) *vp = obj->getQNameLocalNameVal(); return true; }
19567 static JSBool
19568 qname_identity(JSObject *qna, JSObject *qnb)
19569 {
19570     JSLinearString *uri1 = qna->getNameURI();
19571     JSLinearString *uri2 = qnb->getNameURI();
19572     if (!uri1 ^ !uri2)
19573         return (JSIntn)0;
19574     if (uri1 && !EqualStrings(uri1, uri2))
19575         return (JSIntn)0;
19576     return EqualStrings(qna->getQNameLocalName(), qnb->getQNameLocalName());
19577 }
19578 static JSBool
19579 qname_equality(JSContext *cx, JSObject *qn, const Value *v, JSBool *bp)
19580 {
19581     JSObject *obj2;
19582     obj2 = v->toObjectOrNull();
19583     *bp = (!obj2 || obj2->getClass() != &js_QNameClass)
19584           ? (JSIntn)0
19585           : qname_identity(qn, obj2);
19586     return (JSIntn)1;
19587 }
19588 __attribute__((visibility ("default"))) Class js_QNameClass = {
19589     "QName",
19590     (1<<6) |
19591     (((JSObject::QNAME_CLASS_RESERVED_SLOTS) & (((JSUint32)1 << (8)) - 1)) << 8) |
19592     (1<<((8 + 8)+3)) | ((JSProto_QName) << ((8 + 8) + 8)),
19593     PropertyStub,
19594     PropertyStub,
19595     PropertyStub,
19596     StrictPropertyStub,
19597     EnumerateStub,
19598     ResolveStub,
19599     ConvertStub,
19600     FinalizeStub,
19601     __null,
19602     __null,
19603     __null,
19604     __null,
19605     __null,
19606     __null,
19607     __null,
19608     {
19609         qname_equality,
19610         __null,
19611         __null,
19612         __null,
19613         __null,
19614     }
19615 };
19616 __attribute__((visibility ("default"))) Class js_AttributeNameClass = {
19617     js_AttributeName_str,
19618     (1<<6) |
19619     (((JSObject::QNAME_CLASS_RESERVED_SLOTS) & (((JSUint32)1 << (8)) - 1)) << 8) |
19620     (1<<((8 + 8)+3)) | (1<<((8 + 8)+1)),
19621     PropertyStub,
19622     PropertyStub,
19623     PropertyStub,
19624     StrictPropertyStub,
19625     EnumerateStub,
19626     ResolveStub,
19627     ConvertStub,
19628     FinalizeStub
19629 };
19630 __attribute__((visibility ("default"))) Class js_AnyNameClass = {
19631     js_AnyName_str,
19632     (1<<6) |
19633     (((JSObject::QNAME_CLASS_RESERVED_SLOTS) & (((JSUint32)1 << (8)) - 1)) << 8) |
19634     (1<<((8 + 8)+3)) | (1<<((8 + 8)+1)),
19635     PropertyStub,
19636     PropertyStub,
19637     PropertyStub,
19638     StrictPropertyStub,
19639     EnumerateStub,
19640     ResolveStub,
19641     ConvertStub,
19642     FinalizeStub
19643 };
19644 static JSPropertySpec qname_props[] = {
19645     {js_uri_str, 0, (0x01 | 0x02 | 0x04 | 0x40), QNameNameURI_getter, 0},
19646     {js_localName_str, 0, (0x01 | 0x02 | 0x04 | 0x40), QNameLocalName_getter, 0},
19647     {0,0,0,0,0}
19648 };
19649 static JSString *
19650 ConvertQNameToString(JSContext *cx, JSObject *obj)
19651 {
19652     ((void) 0);
19653     JSString *uri = obj->getNameURI();
19654     JSString *str;
19655     if (!uri) {
19656         str = (cx->runtime->atomState.starQualifierAtom);
19657     } else if (uri->empty()) {
19658         str = cx->runtime->emptyString;
19659     } else {
19660         JSString *qualstr = (cx->runtime->atomState.qualifierAtom);
19661         str = js_ConcatStrings(cx, uri, qualstr);
19662         if (!str)
19663             return __null;
19664     }
19665     str = js_ConcatStrings(cx, str, obj->getQNameLocalName());
19666     if (!str)
19667         return __null;
19668     if (obj->getClass() == &js_AttributeNameClass) {
19669         JS::Anchor<JSString *> anchor(str);
19670         size_t length = str->length();
19671         jschar *chars = (jschar *) cx->malloc((length + 2) * sizeof(jschar));
19672         if (!chars)
19673             return (JSIntn)0;
19674         *chars = '@';
19675         const jschar *strChars = str->getChars(cx);
19676         if (!strChars) {
19677             cx->free(chars);
19678             return __null;
19679         }
19680         memcpy((chars + 1), (strChars), (length) * sizeof(jschar));
19681         chars[++length] = 0;
19682         str = js_NewString(cx, chars, length);
19683         if (!str) {
19684             cx->free(chars);
19685             return __null;
19686         }
19687     }
19688     return str;
19689 }
19690 static JSBool
19691 qname_toString(JSContext *cx, uintN argc, Value *vp)
19692 {
19693     JSObject *obj = ToObject(cx, &vp[1]);
19694     if (!obj)
19695         return false;
19696     if (!InstanceOf(cx, obj, &js_QNameClass, vp + 2))
19697         return false;
19698     JSString *str = ConvertQNameToString(cx, obj);
19699     if (!str)
19700         return false;
19701     vp->setString(str);
19702     return true;
19703 }
19704 static JSFunctionSpec qname_methods[] = {
19705     {js_toString_str, ((JSNative)(qname_toString)), 0, (0) | 0x1000},
19706     {__null, __null, 0, 0}
19707 };
19708 static void
19709 InitXMLQName(JSObject *obj, JSLinearString *uri, JSLinearString *prefix,
19710              JSLinearString *localName)
19711 {
19712     ((void) 0);
19713     ((void) 0);
19714     ((void) 0);
19715     ((void) 0);
19716     if (uri)
19717         obj->setNameURI(uri);
19718     if (prefix)
19719         obj->setNamePrefix(prefix);
19720     if (localName)
19721         obj->setQNameLocalName(localName);
19722 }
19723 static JSObject *
19724 NewXMLQName(JSContext *cx, JSLinearString *uri, JSLinearString *prefix,
19725             JSLinearString *localName)
19726 {
19727     JSObject *obj = NewBuiltinClassInstanceXML(cx, &js_QNameClass);
19728     if (!obj)
19729         return __null;
19730     InitXMLQName(obj, uri, prefix, localName);
19731     ;
19732     return obj;
19733 }
19734 static JSObject *
19735 NewXMLAttributeName(JSContext *cx, JSLinearString *uri, JSLinearString *prefix,
19736                     JSLinearString *localName)
19737 {
19738     JSObject *obj = NewNonFunction<WithProto::Given>(cx, &js_AttributeNameClass, __null, __null);
19739     if (!obj)
19740         return __null;
19741     ((void) 0);
19742     InitXMLQName(obj, uri, prefix, localName);
19743     ;
19744     return obj;
19745 }
19746 JSObject *
19747 js_ConstructXMLQNameObject(JSContext *cx, const Value &nsval, const Value &lnval)
19748 {
19749     Value argv[2];
19750     if (nsval.isObject() &&
19751         nsval.toObject().getClass() == &js_AnyNameClass) {
19752         argv[0].setNull();
19753     } else {
19754         argv[0] = nsval;
19755     }
19756     argv[1] = lnval;
19757     return js_ConstructObject(cx, &js_QNameClass, __null, __null, 2, argv);
19758 }
19759 static JSBool
19760 IsXMLName(const jschar *cp, size_t n)
19761 {
19762     JSBool rv;
19763     jschar c;
19764     rv = (JSIntn)0;
19765     if (n != 0 && (((js_A[js_Y[(js_X[(uint16)(*cp)>>6]<<6)|((*cp)&0x3F)]]) & 0x00000100) || (*cp) == '_')) {
19766         while (--n != 0) {
19767             c = *++cp;
19768             if (!(((js_A[js_Y[(js_X[(uint16)(c)>>6]<<6)|((c)&0x3F)]]) & 0x00000080) || (c) == '.' || (c) == '-' || (c) == '_'))
19769                 return rv;
19770         }
19771         rv = (JSIntn)1;
19772     }
19773     return rv;
19774 }
19775 JSBool
19776 js_IsXMLName(JSContext *cx, jsval v)
19777 {
19778     JSLinearString *name = __null;
19779     JSErrorReporter older;
19780     if (!JSVAL_IS_PRIMITIVE(v) &&
19781         JSVAL_TO_OBJECT(v)->isQName()) {
19782         name = JSVAL_TO_OBJECT(v)->getQNameLocalName();
19783     } else {
19784         older = JS_SetErrorReporter(cx, __null);
19785         JSString *str = js_ValueToString(cx, Valueify(v));
19786         if (str)
19787             name = str->ensureLinear(cx);
19788         JS_SetErrorReporter(cx, older);
19789         if (!name) {
19790             JS_ClearPendingException(cx);
19791             return (JSIntn)0;
19792         }
19793     }
19794     return IsXMLName(name->chars(), name->length());
19795 }
19796 static JSBool
19797 NamespaceHelper(JSContext *cx, JSObject *obj, intN argc, jsval *argv,
19798                 jsval *rval)
19799 {
19800     jsval urival, prefixval;
19801     JSObject *uriobj;
19802     JSBool isNamespace, isQName;
19803     Class *clasp;
19804     JSLinearString *empty, *prefix, *uri;
19805     isNamespace = isQName = (JSIntn)0;
19806     uriobj = __null;
19807     if (argc <= 0) {
19808         urival = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
19809     } else {
19810         urival = argv[argc > 1];
19811         if (!JSVAL_IS_PRIMITIVE(urival)) {
19812             uriobj = JSVAL_TO_OBJECT(urival);
19813             clasp = uriobj->getClass();
19814             isNamespace = (clasp == &js_NamespaceClass);
19815             isQName = (clasp == &js_QNameClass);
19816         }
19817     }
19818     if (!obj) {
19819         if (argc == 1 && isNamespace) {
19820             *rval = urival;
19821             return (JSIntn)1;
19822         }
19823         obj = NewBuiltinClassInstanceXML(cx, &js_NamespaceClass);
19824         if (!obj)
19825             return (JSIntn)0;
19826     }
19827     *rval = OBJECT_TO_JSVAL(obj);
19828     ;
19829     empty = cx->runtime->emptyString;
19830     obj->setNamePrefix(empty);
19831     obj->setNameURI(empty);
19832     if (argc == 1 || argc == -1) {
19833         if (isNamespace) {
19834             obj->setNameURI(uriobj->getNameURI());
19835             obj->setNamePrefix(uriobj->getNamePrefix());
19836         } else if (isQName && (uri = uriobj->getNameURI())) {
19837             obj->setNameURI(uri);
19838             obj->setNamePrefix(uriobj->getNamePrefix());
19839         } else {
19840             JSString *str = js_ValueToString(cx, Valueify(urival));
19841             if (!str)
19842                 return (JSIntn)0;
19843             uri = str->ensureLinear(cx);
19844             if (!uri)
19845                 return (JSIntn)0;
19846             obj->setNameURI(uri);
19847             if (!uri->empty())
19848                 obj->clearNamePrefix();
19849         }
19850     } else if (argc == 2) {
19851         if (!isQName || !(uri = uriobj->getNameURI())) {
19852             JSString *str = js_ValueToString(cx, Valueify(urival));
19853             if (!str)
19854                 return (JSIntn)0;
19855             uri = str->ensureLinear(cx);
19856             if (!uri)
19857                 return (JSIntn)0;
19858         }
19859         obj->setNameURI(uri);
19860         prefixval = argv[0];
19861         if (uri->empty()) {
19862             if (!JSVAL_IS_VOID(prefixval)) {
19863                 JSString *str = js_ValueToString(cx, Valueify(prefixval));
19864                 if (!str)
19865                     return (JSIntn)0;
19866                 if (!str->empty()) {
19867                     JSAutoByteString bytes;
19868                     if (js_ValueToPrintable(cx, StringValue(str), &bytes)) {
19869                         JS_ReportErrorNumber(cx, js_GetErrorMessage, __null,
19870                                              JSMSG_BAD_XML_NAMESPACE, bytes.ptr());
19871                     }
19872                     return (JSIntn)0;
19873                 }
19874             }
19875         } else if (JSVAL_IS_VOID(prefixval) || !js_IsXMLName(cx, prefixval)) {
19876             obj->clearNamePrefix();
19877         } else {
19878             JSString *str = js_ValueToString(cx, Valueify(prefixval));
19879             if (!str)
19880                 return (JSIntn)0;
19881             prefix = str->ensureLinear(cx);
19882             if (!prefix)
19883                 return (JSIntn)0;
19884             obj->setNamePrefix(prefix);
19885         }
19886     }
19887     return (JSIntn)1;
19888 }
19889 static JSBool
19890 Namespace(JSContext *cx, uintN argc, Value *vp)
19891 {
19892     JSObject *thisobj = __null;
19893     (void)IsConstructing_PossiblyWithGivenThisObject(vp, &thisobj);
19894     return NamespaceHelper(cx, thisobj, argc, Jsvalify(vp + 2), Jsvalify(vp));
19895 }
19896 static JSBool
19897 QNameHelper(JSContext *cx, JSObject *obj, intN argc, jsval *argv, jsval *rval)
19898 {
19899     jsval nameval, nsval;
19900     JSBool isQName, isNamespace;
19901     JSObject *qn;
19902     JSLinearString *uri, *prefix, *name;
19903     JSObject *obj2;
19904     if (argc <= 0) {
19905         nameval = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
19906         isQName = (JSIntn)0;
19907     } else {
19908         nameval = argv[argc > 1];
19909         isQName =
19910             !JSVAL_IS_PRIMITIVE(nameval) &&
19911             JSVAL_TO_OBJECT(nameval)->getClass() == &js_QNameClass;
19912     }
19913     if (!obj) {
19914         if (argc == 1 && isQName) {
19915             *rval = nameval;
19916             return (JSIntn)1;
19917         }
19918         obj = NewBuiltinClassInstanceXML(cx, &js_QNameClass);
19919         if (!obj)
19920             return (JSIntn)0;
19921     }
19922     *rval = OBJECT_TO_JSVAL(obj);
19923     ;
19924     if (isQName) {
19925         qn = JSVAL_TO_OBJECT(nameval);
19926         if (argc == 1) {
19927             uri = qn->getNameURI();
19928             prefix = qn->getNamePrefix();
19929             name = qn->getQNameLocalName();
19930             goto out;
19931         }
19932         nameval = qn->getQNameLocalNameVal();
19933     }
19934     if (argc == 0) {
19935         name = cx->runtime->emptyString;
19936     } else if (argc < 0) {
19937         name = (cx->runtime->atomState.typeAtoms[JSTYPE_VOID]);
19938     } else {
19939         JSString *str = js_ValueToString(cx, Valueify(nameval));
19940         if (!str)
19941             return (JSIntn)0;
19942         name = str->ensureLinear(cx);
19943         if (!name)
19944             return (JSIntn)0;
19945         argv[argc > 1] = STRING_TO_JSVAL(name);
19946     }
19947     if (argc > 1 && !JSVAL_IS_VOID(argv[0])) {
19948         nsval = argv[0];
19949     } else if (((name)->length() == 1 && *(name)->chars() == '*')) {
19950         nsval = ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0));
19951     } else {
19952         if (!js_GetDefaultXMLNamespace(cx, &nsval))
19953             return (JSIntn)0;
19954         ((void) 0);
19955         ((void) 0)
19956                                      ;
19957     }
19958     if (JSVAL_IS_NULL(nsval)) {
19959         prefix = uri = __null;
19960     } else {
19961         isNamespace = isQName = (JSIntn)0;
19962         if (!JSVAL_IS_PRIMITIVE(nsval)) {
19963             obj2 = JSVAL_TO_OBJECT(nsval);
19964             isNamespace = (obj2->getClass() == &js_NamespaceClass);
19965             isQName = (obj2->getClass() == &js_QNameClass);
19966         }
19967         else obj2 = __null;
19968         if (isNamespace) {
19969             uri = obj2->getNameURI();
19970             prefix = obj2->getNamePrefix();
19971         } else if (isQName && (uri = obj2->getNameURI())) {
19972             ((void) 0);
19973             prefix = obj2->getNamePrefix();
19974         } else {
19975             ((void) 0);
19976             JSString *str = js_ValueToString(cx, Valueify(nsval));
19977             if (!str)
19978                 return (JSIntn)0;
19979             uri = str->ensureLinear(cx);
19980             if (!uri)
19981                 return (JSIntn)0;
19982             argv[0] = STRING_TO_JSVAL(uri);
19983             prefix = uri->empty() ? cx->runtime->emptyString : __null;
19984         }
19985     }
19986 out:
19987     InitXMLQName(obj, uri, prefix, name);
19988     return (JSIntn)1;
19989 }
19990 static JSBool
19991 QName(JSContext *cx, uintN argc, Value *vp)
19992 {
19993     JSObject *thisobj = __null;
19994     (void)IsConstructing_PossiblyWithGivenThisObject(vp, &thisobj);
19995     return QNameHelper(cx, thisobj, argc, Jsvalify(vp + 2), Jsvalify(vp));
19996 }
19997 static JSBool
19998 namespace_identity(const void *a, const void *b)
19999 {
20000     const JSObject *nsa = (const JSObject *) a;
20001     const JSObject *nsb = (const JSObject *) b;
20002     JSLinearString *prefixa = nsa->getNamePrefix();
20003     JSLinearString *prefixb = nsb->getNamePrefix();
20004     if (prefixa && prefixb) {
20005         if (!EqualStrings(prefixa, prefixb))
20006             return (JSIntn)0;
20007     } else {
20008         if (prefixa || prefixb)
20009             return (JSIntn)0;
20010     }
20011     return EqualStrings(nsa->getNameURI(), nsb->getNameURI());
20012 }
20013 static JSBool
20014 attr_identity(const void *a, const void *b)
20015 {
20016     const JSXML *xmla = (const JSXML *) a;
20017     const JSXML *xmlb = (const JSXML *) b;
20018     return qname_identity(xmla->name, xmlb->name);
20019 }
20020 void
20021 JSXMLArrayCursor::trace(JSTracer *trc) {
20022     for (JSXMLArrayCursor *cursor = this; cursor; cursor = cursor->next)
20023         js::gc::MarkGCThing(trc, cursor->root, "cursor_root", index++);
20024 }
20025 static void
20026 XMLArrayCursorTrace(JSTracer *trc, JSXMLArrayCursor *cursor)
20027 {
20028     cursor->trace(trc);
20029 }
20030 bool
20031 JSXMLArray::setCapacity(JSContext *cx, uint32 newCapacity)
20032 {
20033     if (newCapacity == 0) {
20034         if (vector) {
20035             if (cx)
20036                 cx->free(vector);
20037             else
20038                 js_free(vector);
20039         }
20040         vector = __null;
20041     } else {
20042         void **tmp;
20043         if (
20044             !(tmp = (void **) js_realloc(vector, newCapacity * sizeof(void *)))) {
20045             if (cx)
20046                 JS_ReportOutOfMemory(cx);
20047             return false;
20048         }
20049         vector = tmp;
20050     }
20051     capacity = ((JSUint32)1 << (31)) | newCapacity;
20052     return true;
20053 }
20054 void
20055 JSXMLArray::trim()
20056 {
20057     if (capacity & ((JSUint32)1 << (31)))
20058         return;
20059     if (length < capacity)
20060         setCapacity(__null, length);
20061 }
20062 void
20063 JSXMLArray::finish(JSContext *cx)
20064 {
20065     cx->free(vector);
20066     while (JSXMLArrayCursor *cursor = cursors)
20067         cursor->disconnect();
20068 }
20069 static uint32
20070 XMLArrayFindMember(const JSXMLArray *array, void *elt, JSIdentityOp identity)
20071 {
20072     void **vector;
20073     uint32 i, n;
20074     vector = array->vector;
20075     if (identity) {
20076         for (i = 0, n = array->length; i < n; i++) {
20077             if (identity(vector[i], elt))
20078                 return i;
20079         }
20080     } else {
20081         for (i = 0, n = array->length; i < n; i++) {
20082             if (vector[i] == elt)
20083                 return i;
20084         }
20085     }
20086     return ((uint32) -1);
20087 }
20088 static JSBool
20089 XMLArrayAddMember(JSContext *cx, JSXMLArray *array, uint32 index, void *elt)
20090 {
20091     uint32 capacity, i;
20092     int log2;
20093     void **vector;
20094     if (index >= array->length) {
20095         if (index >= ((array)->capacity & (((JSUint32)1 << (31)) - 1))) {
20096             capacity = index + 1;
20097             if (index >= 256) {
20098                 capacity = ((((capacity)+(32)-1)/(32))*(32));
20099             } else {
20100                 do { unsigned int j_ = (unsigned int)(capacity); (log2) = (j_ <= 1 ? 0 : 32 - __builtin_clz(j_ - 1)); } while (0);
20101                 capacity = ((JSUint32)1 << (log2));
20102             }
20103             if (
20104                 !(vector = (void **)
20105                            js_realloc(array->vector, capacity * sizeof(void *)))) {
20106                 JS_ReportOutOfMemory(cx);
20107                 return (JSIntn)0;
20108             }
20109             array->capacity = capacity;
20110             array->vector = vector;
20111             for (i = array->length; i < index; i++)
20112                 vector[i] = __null;
20113         }
20114         array->length = index + 1;
20115     }
20116     array->vector[index] = elt;
20117     return (JSIntn)1;
20118 }
20119 static JSBool
20120 XMLArrayInsert(JSContext *cx, JSXMLArray *array, uint32 i, uint32 n)
20121 {
20122     uint32 j;
20123     JSXMLArrayCursor *cursor;
20124     j = array->length;
20125     ((void) 0);
20126     if (!array->setCapacity(cx, j + n))
20127         return (JSIntn)0;
20128     array->length = j + n;
20129     ((void) 0);
20130     while (j != i) {
20131         --j;
20132         array->vector[j + n] = array->vector[j];
20133     }
20134     for (cursor = array->cursors; cursor; cursor = cursor->next) {
20135         if (cursor->index > i)
20136             cursor->index += n;
20137     }
20138     return (JSIntn)1;
20139 }
20140 static void *
20141 XMLArrayDelete(JSContext *cx, JSXMLArray *array, uint32 index, JSBool compress)
20142 {
20143     uint32 length;
20144     void **vector, *elt;
20145     JSXMLArrayCursor *cursor;
20146     length = array->length;
20147     if (index >= length)
20148         return __null;
20149     vector = array->vector;
20150     elt = vector[index];
20151     if (compress) {
20152         while (++index < length)
20153             vector[index-1] = vector[index];
20154         array->length = length - 1;
20155         array->capacity = ((array)->capacity & (((JSUint32)1 << (31)) - 1));
20156     } else {
20157         vector[index] = __null;
20158     }
20159     for (cursor = array->cursors; cursor; cursor = cursor->next) {
20160         if (cursor->index > index)
20161             --cursor->index;
20162     }
20163     return elt;
20164 }
20165 static void
20166 XMLArrayTruncate(JSContext *cx, JSXMLArray *array, uint32 length)
20167 {
20168     void **vector;
20169     ((void) 0);
20170     if (length >= array->length)
20171         return;
20172     if (length == 0) {
20173         if (array->vector)
20174             cx->free(array->vector);
20175         vector = __null;
20176     } else {
20177         vector = (void **) js_realloc(array->vector, length * sizeof(void *));
20178         if (!vector)
20179             return;
20180     }
20181     if (array->length > length)
20182         array->length = length;
20183     array->capacity = length;
20184     array->vector = vector;
20185 }
20186 static const char js_ignoreComments_str[] = "ignoreComments";
20187 static const char js_ignoreProcessingInstructions_str[]
20188                                             = "ignoreProcessingInstructions";
20189 static const char js_ignoreWhitespace_str[] = "ignoreWhitespace";
20190 static const char js_prettyPrinting_str[] = "prettyPrinting";
20191 static const char js_prettyIndent_str[] = "prettyIndent";
20192 static JSPropertySpec xml_static_props[] = {
20193     {js_ignoreComments_str, 0, 0x04, __null, __null},
20194     {js_ignoreProcessingInstructions_str, 0, 0x04, __null, __null},
20195     {js_ignoreWhitespace_str, 0, 0x04, __null, __null},
20196     {js_prettyPrinting_str, 0, 0x04, __null, __null},
20197     {js_prettyIndent_str, 0, 0x04, __null, __null},
20198     {0,0,0,0,0}
20199 };
20200 static const char xml_namespace_str[] = "http://www.w3.org/XML/1998/namespace";
20201 static const char xmlns_namespace_str[] = "http://www.w3.org/2000/xmlns/";
20202 static JSObject *
20203 ParseNodeToQName(Parser *parser, JSParseNode *pn,
20204                  JSXMLArray *inScopeNSes, JSBool isAttributeName)
20205 {
20206     JSContext *cx = parser->context;
20207     JSLinearString *str, *uri, *prefix, *localName;
20208     size_t length, offset;
20209     const jschar *start, *limit, *colon;
20210     uint32 n;
20211     JSObject *ns;
20212     JSLinearString *nsprefix;
20213     ((void) 0);
20214     str = pn->pn_u.name.atom;
20215     start = str->chars();
20216     length = str->length();
20217     ((void) 0);
20218     ((void) 0);
20219     uri = cx->runtime->emptyString;
20220     limit = start + length;
20221     colon = js_strchr_limit(start, ':', limit);
20222     if (colon) {
20223         offset = colon - start;
20224         prefix = js_NewDependentString(cx, str, 0, offset);
20225         if (!prefix)
20226             return __null;
20227         if ((offset >= 3 && (((jschar) (((js_A[js_Y[(js_X[(uint16)((start)[0])>>6]<<6)|(((start)[0])&0x3F)]]) & 0x00200000) ? ((start)[0]) + ((int32)(js_A[js_Y[(js_X[(uint16)((start)[0])>>6]<<6)|(((start)[0])&0x3F)]]) >> 22) : ((start)[0]))) == 'x' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((start)[1])>>6]<<6)|(((start)[1])&0x3F)]]) & 0x00200000) ? ((start)[1]) + ((int32)(js_A[js_Y[(js_X[(uint16)((start)[1])>>6]<<6)|(((start)[1])&0x3F)]]) >> 22) : ((start)[1]))) == 'm' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((start)[2])>>6]<<6)|(((start)[2])&0x3F)]]) & 0x00200000) ? ((start)[2]) + ((int32)(js_A[js_Y[(js_X[(uint16)((start)[2])>>6]<<6)|(((start)[2])&0x3F)]]) >> 22) : ((start)[2]))) == 'l'))) {
20228             if (offset == 3) {
20229                 uri = JS_ASSERT_STRING_IS_FLAT(JS_InternString(cx, xml_namespace_str));
20230                 if (!uri)
20231                     return __null;
20232             } else if (offset == 5 && (((jschar) (((js_A[js_Y[(js_X[(uint16)((start)[3])>>6]<<6)|(((start)[3])&0x3F)]]) & 0x00200000) ? ((start)[3]) + ((int32)(js_A[js_Y[(js_X[(uint16)((start)[3])>>6]<<6)|(((start)[3])&0x3F)]]) >> 22) : ((start)[3]))) == 'n' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((start)[4])>>6]<<6)|(((start)[4])&0x3F)]]) & 0x00200000) ? ((start)[4]) + ((int32)(js_A[js_Y[(js_X[(uint16)((start)[4])>>6]<<6)|(((start)[4])&0x3F)]]) >> 22) : ((start)[4]))) == 's')) {
20233                 uri = JS_ASSERT_STRING_IS_FLAT(JS_InternString(cx, xmlns_namespace_str));
20234                 if (!uri)
20235                     return __null;
20236             } else {
20237                 uri = __null;
20238             }
20239         } else {
20240             uri = __null;
20241             n = inScopeNSes->length;
20242             while (n != 0) {
20243                 --n;
20244                 ns = (((n) < (inScopeNSes)->length) ? (JSObject *) (inScopeNSes)->vector[n] : __null);
20245                 nsprefix = ns->getNamePrefix();
20246                 if (nsprefix && EqualStrings(nsprefix, prefix)) {
20247                     uri = ns->getNameURI();
20248                     break;
20249                 }
20250             }
20251         }
20252         if (!uri) {
20253             Value v = StringValue(prefix);
20254             JSAutoByteString bytes;
20255             if (js_ValueToPrintable(parser->context, v, &bytes)) {
20256                 ReportCompileErrorNumber(parser->context, &parser->tokenStream, pn,
20257                                          0x0, JSMSG_BAD_XML_NAMESPACE, bytes.ptr());
20258             }
20259             return __null;
20260         }
20261         localName = js_NewStringCopyN(parser->context, colon + 1, length - (offset + 1));
20262         if (!localName)
20263             return __null;
20264     } else {
20265         if (isAttributeName) {
20266             prefix = uri;
20267         } else {
20268             n = inScopeNSes->length;
20269             while (n != 0) {
20270                 --n;
20271                 ns = (((n) < (inScopeNSes)->length) ? (JSObject *) (inScopeNSes)->vector[n] : __null);
20272                 nsprefix = ns->getNamePrefix();
20273                 if (!nsprefix || nsprefix->empty()) {
20274                     uri = ns->getNameURI();
20275                     break;
20276                 }
20277             }
20278             prefix = uri->empty() ? parser->context->runtime->emptyString : __null;
20279         }
20280         localName = str;
20281     }
20282     return NewXMLQName(parser->context, uri, prefix, localName);
20283 }
20284 static JSString *
20285 ChompXMLWhitespace(JSContext *cx, JSString *str)
20286 {
20287     size_t length, newlength, offset;
20288     const jschar *cp, *start, *end;
20289     jschar c;
20290     length = str->length();
20291     start = str->getChars(cx);
20292     if (!start)
20293         return __null;
20294     for (cp = start, end = cp + length; cp < end; cp++) {
20295         c = *cp;
20296         if (!((c) == ' ' || (c) == '\t' || (c) == '\r' || (c) == '\n'))
20297             break;
20298     }
20299     while (end > cp) {
20300         c = end[-1];
20301         if (!((c) == ' ' || (c) == '\t' || (c) == '\r' || (c) == '\n'))
20302             break;
20303         --end;
20304     }
20305     newlength = end - cp;
20306     if (newlength == length)
20307         return str;
20308     offset = cp - start;
20309     return js_NewDependentString(cx, str, offset, newlength);
20310 }
20311 static JSXML *
20312 ParseNodeToXML(Parser *parser, JSParseNode *pn,
20313                JSXMLArray *inScopeNSes, uintN flags)
20314 {
20315     JSContext *cx = parser->context;
20316     JSXML *xml, *kid, *attr, *attrj;
20317     JSLinearString *str;
20318     uint32 length, n, i, j;
20319     JSParseNode *pn2, *pn3, *head, **pnp;
20320     JSObject *ns;
20321     JSObject *qn, *attrjqn;
20322     JSXMLClass xml_class;
20323     int stackDummy;
20324     if (!((jsuword)(&stackDummy) > cx->stackLimit)) {
20325         ReportCompileErrorNumber(cx, &parser->tokenStream, pn, 0x0,
20326                                  JSMSG_OVER_RECURSED);
20327         return __null;
20328     }
20329     xml = __null;
20330     if (!js_EnterLocalRootScope(cx))
20331         return __null;
20332     switch (pn->pn_type) {
20333       case TOK_XMLELEM:
20334         length = inScopeNSes->length;
20335         pn2 = pn->pn_u.list.head;
20336         xml = ParseNodeToXML(parser, pn2, inScopeNSes, flags);
20337         if (!xml)
20338             goto fail;
20339         n = pn->pn_u.list.count;
20340         ((void) 0);
20341         n -= 2;
20342         if (!xml->u.list.kids.setCapacity(cx, n))
20343             goto fail;
20344         i = 0;
20345         while ((pn2 = pn2->pn_next) != __null) {
20346             if (!pn2->pn_next) {
20347                 ((void) 0);
20348                 break;
20349             }
20350             if ((flags & ((JSUint32)1 << (2))) &&
20351                 n > 1 && pn2->pn_type == TOK_XMLSPACE) {
20352                 --n;
20353                 continue;
20354             }
20355             kid = ParseNodeToXML(parser, pn2, inScopeNSes, flags);
20356             if (kid == ((JSXML *) 1)) {
20357                 --n;
20358                 continue;
20359             }
20360             if (!kid)
20361                 goto fail;
20362             do { if ((&xml->u.list.kids)->length <= (i)) (&xml->u.list.kids)->length = (i) + 1; ((&xml->u.list.kids)->vector[i] = (void *)(kid)); } while (0);
20363             kid->parent = xml;
20364             ++i;
20365             if ((flags & ((JSUint32)1 << (2))) &&
20366                 n > 1 && kid->xml_class == JSXML_CLASS_TEXT) {
20367                 JSString *str = ChompXMLWhitespace(cx, kid->u.value);
20368                 if (!str)
20369                     goto fail;
20370                 kid->u.value = str;
20371             }
20372         }
20373         ((void) 0);
20374         if (n < pn->pn_u.list.count - 2)
20375             xml->u.list.kids.trim();
20376         XMLArrayTruncate(cx, inScopeNSes, length);
20377         break;
20378       case TOK_XMLLIST:
20379         xml = js_NewXML(cx, JSXML_CLASS_LIST);
20380         if (!xml)
20381             goto fail;
20382         n = pn->pn_u.list.count;
20383         if (!xml->u.list.kids.setCapacity(cx, n))
20384             goto fail;
20385         i = 0;
20386         for (pn2 = pn->pn_u.list.head; pn2; pn2 = pn2->pn_next) {
20387             if (pn2->pn_type == TOK_XMLSPACE) {
20388                 --n;
20389                 continue;
20390             }
20391             kid = ParseNodeToXML(parser, pn2, inScopeNSes, flags);
20392             if (kid == ((JSXML *) 1)) {
20393                 --n;
20394                 continue;
20395             }
20396             if (!kid)
20397                 goto fail;
20398             do { if ((&xml->u.list.kids)->length <= (i)) (&xml->u.list.kids)->length = (i) + 1; ((&xml->u.list.kids)->vector[i] = (void *)(kid)); } while (0);
20399             ++i;
20400         }
20401         if (n < pn->pn_u.list.count)
20402             xml->u.list.kids.trim();
20403         break;
20404       case TOK_XMLSTAGO:
20405       case TOK_XMLPTAGC:
20406         length = inScopeNSes->length;
20407         pn2 = pn->pn_u.list.head;
20408         ((void) 0);
20409         if (pn2->pn_arity == PN_LIST)
20410             goto syntax;
20411         xml = js_NewXML(cx, JSXML_CLASS_ELEMENT);
20412         if (!xml)
20413             goto fail;
20414         ((void) 0);
20415         n = pn->pn_u.list.count - 1;
20416         pnp = &pn2->pn_next;
20417         head = *pnp;
20418         while ((pn2 = *pnp) != __null) {
20419             size_t length;
20420             const jschar *chars;
20421             if (pn2->pn_type != TOK_XMLNAME || pn2->pn_arity != PN_NULLARY)
20422                 goto syntax;
20423             for (pn3 = head; pn3 != pn2; pn3 = pn3->pn_next->pn_next) {
20424                 if (pn3->pn_u.name.atom == pn2->pn_u.name.atom) {
20425                     Value v = StringValue((pn2->pn_u.name.atom));
20426                     JSAutoByteString bytes;
20427                     if (js_ValueToPrintable(cx, v, &bytes)) {
20428                         ReportCompileErrorNumber(cx, &parser->tokenStream, pn2,
20429                                                  0x0, JSMSG_DUPLICATE_XML_ATTR,
20430                                                  bytes.ptr());
20431                     }
20432                     goto fail;
20433                 }
20434             }
20435             JSAtom *atom = pn2->pn_u.name.atom;
20436             pn2 = pn2->pn_next;
20437             ((void) 0);
20438             if (pn2->pn_type != TOK_XMLATTR)
20439                 goto syntax;
20440             chars = atom->chars();
20441             length = atom->length();
20442             if (length >= 5 &&
20443                 ((((jschar) (((js_A[js_Y[(js_X[(uint16)((chars)[0])>>6]<<6)|(((chars)[0])&0x3F)]]) & 0x00200000) ? ((chars)[0]) + ((int32)(js_A[js_Y[(js_X[(uint16)((chars)[0])>>6]<<6)|(((chars)[0])&0x3F)]]) >> 22) : ((chars)[0]))) == 'x' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((chars)[1])>>6]<<6)|(((chars)[1])&0x3F)]]) & 0x00200000) ? ((chars)[1]) + ((int32)(js_A[js_Y[(js_X[(uint16)((chars)[1])>>6]<<6)|(((chars)[1])&0x3F)]]) >> 22) : ((chars)[1]))) == 'm' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((chars)[2])>>6]<<6)|(((chars)[2])&0x3F)]]) & 0x00200000) ? ((chars)[2]) + ((int32)(js_A[js_Y[(js_X[(uint16)((chars)[2])>>6]<<6)|(((chars)[2])&0x3F)]]) >> 22) : ((chars)[2]))) == 'l') && (((jschar) (((js_A[js_Y[(js_X[(uint16)((chars)[3])>>6]<<6)|(((chars)[3])&0x3F)]]) & 0x00200000) ? ((chars)[3]) + ((int32)(js_A[js_Y[(js_X[(uint16)((chars)[3])>>6]<<6)|(((chars)[3])&0x3F)]]) >> 22) : ((chars)[3]))) == 'n' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((chars)[4])>>6]<<6)|(((chars)[4])&0x3F)]]) & 0x00200000) ? ((chars)[4]) + ((int32)(js_A[js_Y[(js_X[(uint16)((chars)[4])>>6]<<6)|(((chars)[4])&0x3F)]]) >> 22) : ((chars)[4]))) == 's')) &&
20444                 (length == 5 || chars[5] == ':')) {
20445                 JSLinearString *uri, *prefix;
20446                 uri = (pn2->pn_u.name.atom);
20447                 if (length == 5) {
20448                     prefix = cx->runtime->emptyString;
20449                 } else {
20450                     prefix = js_NewStringCopyN(cx, chars + 6, length - 6);
20451                     if (!prefix)
20452                         goto fail;
20453                 }
20454                 ns = NewXMLNamespace(cx, prefix, uri, (JSIntn)1);
20455                 if (!ns)
20456                     goto fail;
20457                 if (!(XMLArrayFindMember(inScopeNSes, (void *)(ns), namespace_identity) != ((uint32) -1))) {
20458                     if (!XMLArrayAddMember(cx, inScopeNSes, (inScopeNSes)->length, (void *)((ns))) ||
20459                         !XMLArrayAddMember(cx, &xml->u.elem.namespaces, (&xml->u.elem.namespaces)->length, (void *)((ns)))) {
20460                         goto fail;
20461                     }
20462                 }
20463                 ((void) 0);
20464                 n -= 2;
20465                 *pnp = pn2->pn_next;
20466                 continue;
20467             }
20468             pnp = &pn2->pn_next;
20469         }
20470         xml->u.elem.namespaces.trim();
20471         pn2 = pn->pn_u.list.head;
20472         qn = ParseNodeToQName(parser, pn2, inScopeNSes, (JSIntn)0);
20473         if (!qn)
20474             goto fail;
20475         xml->name = qn;
20476         ((void) 0);
20477         n >>= 1;
20478         if (!xml->u.elem.attrs.setCapacity(cx, n))
20479             goto fail;
20480         for (i = 0; (pn2 = pn2->pn_next) != __null; i++) {
20481             qn = ParseNodeToQName(parser, pn2, inScopeNSes, (JSIntn)1);
20482             if (!qn) {
20483                 xml->u.elem.attrs.length = i;
20484                 goto fail;
20485             }
20486             for (j = 0; j < i; j++) {
20487                 attrj = (((j) < (&xml->u.elem.attrs)->length) ? (JSXML *) (&xml->u.elem.attrs)->vector[j] : __null);
20488                 attrjqn = attrj->name;
20489                 if (EqualStrings(attrjqn->getNameURI(), qn->getNameURI()) &&
20490                     EqualStrings(attrjqn->getQNameLocalName(), qn->getQNameLocalName())) {
20491                     Value v = StringValue((pn2->pn_u.name.atom));
20492                     JSAutoByteString bytes;
20493                     if (js_ValueToPrintable(cx, v, &bytes)) {
20494                         ReportCompileErrorNumber(cx, &parser->tokenStream, pn2,
20495                                                  0x0, JSMSG_DUPLICATE_XML_ATTR,
20496                                                  bytes.ptr());
20497                     }
20498                     goto fail;
20499                 }
20500             }
20501             pn2 = pn2->pn_next;
20502             ((void) 0);
20503             ((void) 0);
20504             attr = js_NewXML(cx, JSXML_CLASS_ATTRIBUTE);
20505             if (!attr)
20506                 goto fail;
20507             do { if ((&xml->u.elem.attrs)->length <= (i)) (&xml->u.elem.attrs)->length = (i) + 1; ((&xml->u.elem.attrs)->vector[i] = (void *)(attr)); } while (0);
20508             attr->parent = xml;
20509             attr->name = qn;
20510             attr->u.value = (pn2->pn_u.name.atom);
20511         }
20512         if (pn->pn_type == TOK_XMLPTAGC)
20513             XMLArrayTruncate(cx, inScopeNSes, length);
20514         break;
20515       case TOK_XMLSPACE:
20516       case TOK_XMLTEXT:
20517       case TOK_XMLCDATA:
20518       case TOK_XMLCOMMENT:
20519       case TOK_XMLPI:
20520         str = (pn->pn_u.name.atom);
20521         qn = __null;
20522         if (pn->pn_type == TOK_XMLCOMMENT) {
20523             if (flags & ((JSUint32)1 << (0)))
20524                 goto skip_child;
20525             xml_class = JSXML_CLASS_COMMENT;
20526         } else if (pn->pn_type == TOK_XMLPI) {
20527             if ((str->length() == 3 && (((jschar) (((js_A[js_Y[(js_X[(uint16)((str->chars())[0])>>6]<<6)|(((str->chars())[0])&0x3F)]]) & 0x00200000) ? ((str->chars())[0]) + ((int32)(js_A[js_Y[(js_X[(uint16)((str->chars())[0])>>6]<<6)|(((str->chars())[0])&0x3F)]]) >> 22) : ((str->chars())[0]))) == 'x' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((str->chars())[1])>>6]<<6)|(((str->chars())[1])&0x3F)]]) & 0x00200000) ? ((str->chars())[1]) + ((int32)(js_A[js_Y[(js_X[(uint16)((str->chars())[1])>>6]<<6)|(((str->chars())[1])&0x3F)]]) >> 22) : ((str->chars())[1]))) == 'm' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((str->chars())[2])>>6]<<6)|(((str->chars())[2])&0x3F)]]) & 0x00200000) ? ((str->chars())[2]) + ((int32)(js_A[js_Y[(js_X[(uint16)((str->chars())[2])>>6]<<6)|(((str->chars())[2])&0x3F)]]) >> 22) : ((str->chars())[2]))) == 'l'))) {
20528                 Value v = StringValue(str);
20529                 JSAutoByteString bytes;
20530                 if (js_ValueToPrintable(cx, v, &bytes)) {
20531                     ReportCompileErrorNumber(cx, &parser->tokenStream, pn,
20532                                              0x0, JSMSG_RESERVED_ID, bytes.ptr());
20533                 }
20534                 goto fail;
20535             }
20536             if (flags & ((JSUint32)1 << (1)))
20537                 goto skip_child;
20538             qn = ParseNodeToQName(parser, pn, inScopeNSes, (JSIntn)0);
20539             if (!qn)
20540                 goto fail;
20541             str = pn->pn_u.apair.atom2
20542                   ? (pn->pn_u.apair.atom2)
20543                   : cx->runtime->emptyString;
20544             xml_class = JSXML_CLASS_PROCESSING_INSTRUCTION;
20545         } else {
20546             xml_class = JSXML_CLASS_TEXT;
20547         }
20548         xml = js_NewXML(cx, xml_class);
20549         if (!xml)
20550             goto fail;
20551         xml->name = qn;
20552         if (pn->pn_type == TOK_XMLSPACE)
20553             xml->xml_flags |= 0x1;
20554         xml->u.value = str;
20555         break;
20556       default:
20557         goto syntax;
20558     }
20559     js_LeaveLocalRootScopeWithResult(cx, xml);
20560     return xml;
20561 skip_child:
20562     js_LeaveLocalRootScope(cx);
20563     return ((JSXML *) 1);
20564 syntax:
20565     ReportCompileErrorNumber(cx, &parser->tokenStream, pn, 0x0, JSMSG_BAD_XML_MARKUP);
20566 fail:
20567     js_LeaveLocalRootScope(cx);
20568     return __null;
20569 }
20570 static JSBool
20571 GetXMLSetting(JSContext *cx, const char *name, jsval *vp)
20572 {
20573     jsval v;
20574     if (!js_FindClassObject(cx, __null, JSProto_XML, Valueify(&v)))
20575         return (JSIntn)0;
20576     if (!(!JSVAL_IS_PRIMITIVE(v) && JSVAL_TO_OBJECT(v)->isFunction())) {
20577         *vp = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
20578         return (JSIntn)1;
20579     }
20580     return JS_GetProperty(cx, JSVAL_TO_OBJECT(v), name, vp);
20581 }
20582 static JSBool
20583 GetBooleanXMLSetting(JSContext *cx, const char *name, JSBool *bp)
20584 {
20585     jsval v;
20586     return GetXMLSetting(cx, name, &v) && JS_ValueToBoolean(cx, v, bp);
20587 }
20588 static JSBool
20589 GetUint32XMLSetting(JSContext *cx, const char *name, uint32 *uip)
20590 {
20591     jsval v;
20592     return GetXMLSetting(cx, name, &v) && JS_ValueToECMAUint32(cx, v, uip);
20593 }
20594 static JSBool
20595 GetXMLSettingFlags(JSContext *cx, uintN *flagsp)
20596 {
20597     JSBool flag[4];
20598     if (!GetBooleanXMLSetting(cx, js_ignoreComments_str, &flag[0]) ||
20599         !GetBooleanXMLSetting(cx, js_ignoreProcessingInstructions_str, &flag[1]) ||
20600         !GetBooleanXMLSetting(cx, js_ignoreWhitespace_str, &flag[2]) ||
20601         !GetBooleanXMLSetting(cx, js_prettyPrinting_str, &flag[3])) {
20602         return false;
20603     }
20604     *flagsp = 0;
20605     for (size_t n = 0; n < 4; ++n)
20606         if (flag[n])
20607             *flagsp |= ((JSUint32)1 << (n));
20608     return true;
20609 }
20610 static JSXML *
20611 ParseXMLSource(JSContext *cx, JSString *src)
20612 {
20613     jsval nsval;
20614     JSLinearString *uri;
20615     size_t urilen, srclen, length, offset, dstlen;
20616     jschar *chars;
20617     const jschar *srcp, *endp;
20618     JSXML *xml;
20619     const char *filename;
20620     uintN lineno;
20621     JSOp op;
20622     static const char prefix[] = "<parent xmlns=\"";
20623     static const char middle[] = "\">";
20624     static const char suffix[] = "</parent>";
20625     if (!js_GetDefaultXMLNamespace(cx, &nsval))
20626         return __null;
20627     uri = JSVAL_TO_OBJECT(nsval)->getNameURI();
20628     uri = js_EscapeAttributeValue(cx, uri, (JSIntn)0);
20629     if (!uri)
20630         return __null;
20631     urilen = uri->length();
20632     srclen = src->length();
20633     length = (sizeof(prefix) - 1) + urilen + (sizeof(middle) - 1) + srclen +
20634              (sizeof(suffix) - 1);
20635     chars = (jschar *) cx->malloc((length + 1) * sizeof(jschar));
20636     if (!chars)
20637         return __null;
20638     dstlen = length;
20639     js_InflateStringToBuffer(cx, prefix, (sizeof(prefix) - 1), chars, &dstlen);
20640     offset = dstlen;
20641     memcpy((chars + offset), (uri->chars()), (urilen) * sizeof(jschar));
20642     offset += urilen;
20643     dstlen = length - offset + 1;
20644     js_InflateStringToBuffer(cx, middle, (sizeof(middle) - 1), chars + offset,
20645                              &dstlen);
20646     offset += dstlen;
20647     srcp = src->getChars(cx);
20648     if (!srcp) {
20649         cx->free(chars);
20650         return __null;
20651     }
20652     memcpy((chars + offset), (srcp), (srclen) * sizeof(jschar));
20653     offset += srclen;
20654     dstlen = length - offset + 1;
20655     js_InflateStringToBuffer(cx, suffix, (sizeof(suffix) - 1), chars + offset,
20656                              &dstlen);
20657     chars [offset + dstlen] = 0;
20658     LeaveTrace(cx);
20659     xml = __null;
20660     FrameRegsIter i(cx);
20661     for (; !i.done() && !i.pc(); ++i)
20662         ((void) 0);
20663     filename = __null;
20664     lineno = 1;
20665     if (!i.done()) {
20666         JSStackFrame *fp = i.fp();
20667         op = (JSOp) *i.pc();
20668         if (op == JSOP_TOXML || op == JSOP_TOXMLLIST) {
20669             filename = fp->script()->filename;
20670             lineno = js_FramePCToLineNumber(cx, fp);
20671             for (endp = srcp + srclen; srcp < endp; srcp++) {
20672                 if (*srcp == '\n')
20673                     --lineno;
20674             }
20675         }
20676     }
20677     {
20678         Parser parser(cx);
20679         if (parser.init(chars, length, filename, lineno, cx->findVersion())) {
20680             JSObject *scopeChain = GetScopeChain(cx);
20681             if (!scopeChain) {
20682                 cx->free(chars);
20683                 return __null;
20684             }
20685             JSParseNode *pn = parser.parseXMLText(scopeChain, false);
20686             uintN flags;
20687             if (pn && GetXMLSettingFlags(cx, &flags)) {
20688                 AutoNamespaceArray namespaces(cx);
20689                 if (namespaces.array.setCapacity(cx, 1))
20690                     xml = ParseNodeToXML(&parser, pn, &namespaces.array, flags);
20691             }
20692         }
20693     }
20694     cx->free(chars);
20695     return xml;
20696 }
20697 static JSXML *
20698 OrphanXMLChild(JSContext *cx, JSXML *xml, uint32 i)
20699 {
20700     JSObject *ns;
20701     ns = (((0) < (&xml->u.elem.namespaces)->length) ? (JSObject *) (&xml->u.elem.namespaces)->vector[0] : __null);
20702     xml = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
20703     if (!ns || !xml)
20704         return xml;
20705     if (xml->xml_class == JSXML_CLASS_ELEMENT) {
20706         if (!XMLArrayAddMember(cx, &xml->u.elem.namespaces, (&xml->u.elem.namespaces)->length, (void *)((ns))))
20707             return __null;
20708         ns->setNamespaceDeclared(((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0)));
20709     }
20710     xml->parent = __null;
20711     return xml;
20712 }
20713 static JSObject *
20714 ToXML(JSContext *cx, jsval v)
20715 {
20716     JSObject *obj;
20717     JSXML *xml;
20718     Class *clasp;
20719     JSString *str;
20720     uint32 length;
20721     if (JSVAL_IS_PRIMITIVE(v)) {
20722         if (JSVAL_IS_NULL(v) || JSVAL_IS_VOID(v))
20723             goto bad;
20724     } else {
20725         obj = JSVAL_TO_OBJECT(v);
20726         if (obj->isXML()) {
20727             xml = (JSXML *) obj->getPrivate();
20728             if (xml->xml_class == JSXML_CLASS_LIST) {
20729                 if (xml->u.list.kids.length != 1)
20730                     goto bad;
20731                 xml = (((0) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[0] : __null);
20732                 if (xml) {
20733                     ((void) 0);
20734                     return js_GetXMLObject(cx, xml);
20735                 }
20736             }
20737             return obj;
20738         }
20739         clasp = obj->getClass();
20740         if (clasp->flags & (1<<7)) {
20741             ((void) 0);
20742         }
20743         if (clasp != &js_StringClass &&
20744             clasp != &js_NumberClass &&
20745             clasp != &js_BooleanClass) {
20746             goto bad;
20747         }
20748     }
20749     str = js_ValueToString(cx, Valueify(v));
20750     if (!str)
20751         return __null;
20752     if (str->empty()) {
20753         length = 0;
20754         xml = __null;
20755     } else {
20756         xml = ParseXMLSource(cx, str);
20757         if (!xml)
20758             return __null;
20759         length = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0);
20760     }
20761     if (length == 0) {
20762         obj = js_NewXMLObject(cx, JSXML_CLASS_TEXT);
20763         if (!obj)
20764             return __null;
20765     } else if (length == 1) {
20766         xml = OrphanXMLChild(cx, xml, 0);
20767         if (!xml)
20768             return __null;
20769         obj = js_GetXMLObject(cx, xml);
20770         if (!obj)
20771             return __null;
20772     } else {
20773         JS_ReportErrorNumber(cx, js_GetErrorMessage, __null, JSMSG_SYNTAX_ERROR);
20774         return __null;
20775     }
20776     return obj;
20777 bad:
20778     ((void)js_ReportValueErrorFlags(cx, 0x0, JSMSG_BAD_XML_CONVERSION, 0, Valueify(v), __null, __null, __null))
20779                                                               ;
20780     return __null;
20781 }
20782 static JSBool
20783 Append(JSContext *cx, JSXML *list, JSXML *kid);
20784 static JSObject *
20785 ToXMLList(JSContext *cx, jsval v)
20786 {
20787     JSObject *obj, *listobj;
20788     JSXML *xml, *list, *kid;
20789     Class *clasp;
20790     JSString *str;
20791     uint32 i, length;
20792     if (JSVAL_IS_PRIMITIVE(v)) {
20793         if (JSVAL_IS_NULL(v) || JSVAL_IS_VOID(v))
20794             goto bad;
20795     } else {
20796         obj = JSVAL_TO_OBJECT(v);
20797         if (obj->isXML()) {
20798             xml = (JSXML *) obj->getPrivate();
20799             if (xml->xml_class != JSXML_CLASS_LIST) {
20800                 listobj = js_NewXMLObject(cx, JSXML_CLASS_LIST);
20801                 if (!listobj)
20802                     return __null;
20803                 list = (JSXML *) listobj->getPrivate();
20804                 if (!Append(cx, list, xml))
20805                     return __null;
20806                 return listobj;
20807             }
20808             return obj;
20809         }
20810         clasp = obj->getClass();
20811         if (clasp->flags & (1<<7)) {
20812             ((void) 0);
20813         }
20814         if (clasp != &js_StringClass &&
20815             clasp != &js_NumberClass &&
20816             clasp != &js_BooleanClass) {
20817             goto bad;
20818         }
20819     }
20820     str = js_ValueToString(cx, Valueify(v));
20821     if (!str)
20822         return __null;
20823     if (str->empty()) {
20824         xml = __null;
20825         length = 0;
20826     } else {
20827         if (!js_EnterLocalRootScope(cx))
20828             return __null;
20829         xml = ParseXMLSource(cx, str);
20830         if (!xml) {
20831             js_LeaveLocalRootScope(cx);
20832             return __null;
20833         }
20834         length = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0);
20835     }
20836     listobj = js_NewXMLObject(cx, JSXML_CLASS_LIST);
20837     if (listobj) {
20838         list = (JSXML *) listobj->getPrivate();
20839         for (i = 0; i < length; i++) {
20840             kid = OrphanXMLChild(cx, xml, i);
20841             if (!kid || !Append(cx, list, kid)) {
20842                 listobj = __null;
20843                 break;
20844             }
20845         }
20846     }
20847     if (xml)
20848         js_LeaveLocalRootScopeWithResult(cx, listobj);
20849     return listobj;
20850 bad:
20851     ((void)js_ReportValueErrorFlags(cx, 0x0, JSMSG_BAD_XMLLIST_CONVERSION, 0, Valueify(v), __null, __null, __null))
20852                                                               ;
20853     return __null;
20854 }
20855 static JSFlatString *
20856 MakeXMLSpecialString(JSContext *cx, StringBuffer &sb,
20857                      JSString *str, JSString *str2,
20858                      const jschar *prefix, size_t prefixlength,
20859                      const jschar *suffix, size_t suffixlength)
20860 {
20861     if (!sb.append(prefix, prefixlength) || !sb.append(str))
20862         return __null;
20863     if (str2 && !str2->empty()) {
20864         if (!sb.append(' ') || !sb.append(str2))
20865             return __null;
20866     }
20867     if (!sb.append(suffix, suffixlength))
20868         return __null;
20869     return sb.finishString();
20870 }
20871 static JSFlatString *
20872 MakeXMLCDATAString(JSContext *cx, StringBuffer &sb, JSString *str)
20873 {
20874     static const jschar cdata_prefix_ucNstr[] = {'<', '!', '[',
20875                                                  'C', 'D', 'A', 'T', 'A',
20876                                                  '['};
20877     static const jschar cdata_suffix_ucNstr[] = {']', ']', '>'};
20878     return MakeXMLSpecialString(cx, sb, str, __null,
20879                                 cdata_prefix_ucNstr, 9,
20880                                 cdata_suffix_ucNstr, 3);
20881 }
20882 static JSFlatString *
20883 MakeXMLCommentString(JSContext *cx, StringBuffer &sb, JSString *str)
20884 {
20885     static const jschar comment_prefix_ucNstr[] = {'<', '!', '-', '-'};
20886     static const jschar comment_suffix_ucNstr[] = {'-', '-', '>'};
20887     return MakeXMLSpecialString(cx, sb, str, __null,
20888                                 comment_prefix_ucNstr, 4,
20889                                 comment_suffix_ucNstr, 3);
20890 }
20891 static JSFlatString *
20892 MakeXMLPIString(JSContext *cx, StringBuffer &sb, JSString *name,
20893                 JSString *value)
20894 {
20895     static const jschar pi_prefix_ucNstr[] = {'<', '?'};
20896     static const jschar pi_suffix_ucNstr[] = {'?', '>'};
20897     return MakeXMLSpecialString(cx, sb, name, value,
20898                                 pi_prefix_ucNstr, 2,
20899                                 pi_suffix_ucNstr, 2);
20900 }
20901 static
20902        bool
20903 AppendAttributeValue(JSContext *cx, StringBuffer &sb, JSString *valstr)
20904 {
20905     if (!sb.append('='))
20906         return false;
20907     valstr = js_EscapeAttributeValue(cx, valstr, (JSIntn)1);
20908     return valstr && sb.append(valstr);
20909 }
20910 static JSFlatString *
20911 EscapeElementValue(JSContext *cx, StringBuffer &sb, JSString *str, uint32 toSourceFlag)
20912 {
20913     size_t length = str->length();
20914     const jschar *start = str->getChars(cx);
20915     if (!start)
20916         return __null;
20917     for (const jschar *cp = start, *end = start + length; cp != end; ++cp) {
20918         jschar c = *cp;
20919         switch (*cp) {
20920           case '<':
20921             if (!sb.append(js_lt_entity_str))
20922                 return __null;
20923             break;
20924           case '>':
20925             if (!sb.append(js_gt_entity_str))
20926                 return __null;
20927             break;
20928           case '&':
20929             if (!sb.append(js_amp_entity_str))
20930                 return __null;
20931             break;
20932           case '{':
20933             if (toSourceFlag) {
20934                 if (!sb.append(js_leftcurly_entity_str))
20935                     return __null;
20936                 break;
20937             }
20938           default:
20939             if (!sb.append(c))
20940                 return __null;
20941         }
20942     }
20943     return sb.finishString();
20944 }
20945 static JSFlatString *
20946 EscapeAttributeValue(JSContext *cx, StringBuffer &sb, JSString *str, JSBool quote)
20947 {
20948     size_t length = str->length();
20949     const jschar *start = str->getChars(cx);
20950     if (!start)
20951         return __null;
20952     if (quote && !sb.append('"'))
20953         return __null;
20954     for (const jschar *cp = start, *end = start + length; cp != end; ++cp) {
20955         jschar c = *cp;
20956         switch (c) {
20957           case '"':
20958             if (!sb.append(js_quot_entity_str))
20959                 return __null;
20960             break;
20961           case '<':
20962             if (!sb.append(js_lt_entity_str))
20963                 return __null;
20964             break;
20965           case '&':
20966             if (!sb.append(js_amp_entity_str))
20967                 return __null;
20968             break;
20969           case '\n':
20970             if (!sb.append("&#xA;"))
20971                 return __null;
20972             break;
20973           case '\r':
20974             if (!sb.append("&#xD;"))
20975                 return __null;
20976             break;
20977           case '\t':
20978             if (!sb.append("&#x9;"))
20979                 return __null;
20980             break;
20981           default:
20982             if (!sb.append(c))
20983                 return __null;
20984         }
20985     }
20986     if (quote && !sb.append('"'))
20987         return __null;
20988     return sb.finishString();
20989 }
20990 static JSObject *
20991 GetNamespace(JSContext *cx, JSObject *qn, const JSXMLArray *inScopeNSes)
20992 {
20993     JSLinearString *uri, *prefix, *nsprefix;
20994     JSObject *match, *ns;
20995     uint32 i, n;
20996     jsval argv[2];
20997     uri = qn->getNameURI();
20998     prefix = qn->getNamePrefix();
20999     ((void) 0);
21000     if (!uri) {
21001         JSAutoByteString bytes;
21002         const char *s = !prefix ?
21003                         js_undefined_str
21004                         : js_ValueToPrintable(cx, StringValue(prefix), &bytes);
21005         if (s)
21006             JS_ReportErrorNumber(cx, js_GetErrorMessage, __null, JSMSG_BAD_XML_NAMESPACE, s);
21007         return __null;
21008     }
21009     match = __null;
21010     if (inScopeNSes) {
21011         for (i = 0, n = inScopeNSes->length; i < n; i++) {
21012             ns = (((i) < (inScopeNSes)->length) ? (JSObject *) (inScopeNSes)->vector[i] : __null);
21013             if (!ns)
21014                 continue;
21015             if (EqualStrings(ns->getNameURI(), uri)) {
21016                 nsprefix = ns->getNamePrefix();
21017                 if (nsprefix == prefix ||
21018                     ((nsprefix && prefix)
21019                      ? EqualStrings(nsprefix, prefix)
21020                      : (nsprefix ? nsprefix : prefix)->empty())) {
21021                     match = ns;
21022                     break;
21023                 }
21024             }
21025         }
21026     }
21027     if (!match) {
21028         argv[0] = prefix ? STRING_TO_JSVAL(prefix) : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
21029         argv[1] = STRING_TO_JSVAL(uri);
21030         ns = js_ConstructObject(cx, &js_NamespaceClass, __null, __null,
21031                                 2, Valueify(argv));
21032         if (!ns)
21033             return __null;
21034         match = ns;
21035     }
21036     return match;
21037 }
21038 static JSLinearString *
21039 GeneratePrefix(JSContext *cx, JSLinearString *uri, JSXMLArray *decls)
21040 {
21041     const jschar *cp, *start, *end;
21042     size_t length, newlength, offset;
21043     uint32 i, n, m, serial;
21044     jschar *bp, *dp;
21045     JSBool done;
21046     JSObject *ns;
21047     JSLinearString *nsprefix, *prefix;
21048     ((void) 0);
21049     if (decls->length == 0)
21050         return js_NewStringCopyZ(cx, "a");
21051     start = uri->chars();
21052     end = start + uri->length();
21053     cp = end;
21054     while (--cp > start) {
21055         if (*cp == '.' || *cp == '/' || *cp == ':') {
21056             ++cp;
21057             length = end - cp;
21058             if (IsXMLName(cp, length) && !(length >= 3 && (((jschar) (((js_A[js_Y[(js_X[(uint16)((cp)[0])>>6]<<6)|(((cp)[0])&0x3F)]]) & 0x00200000) ? ((cp)[0]) + ((int32)(js_A[js_Y[(js_X[(uint16)((cp)[0])>>6]<<6)|(((cp)[0])&0x3F)]]) >> 22) : ((cp)[0]))) == 'x' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((cp)[1])>>6]<<6)|(((cp)[1])&0x3F)]]) & 0x00200000) ? ((cp)[1]) + ((int32)(js_A[js_Y[(js_X[(uint16)((cp)[1])>>6]<<6)|(((cp)[1])&0x3F)]]) >> 22) : ((cp)[1]))) == 'm' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((cp)[2])>>6]<<6)|(((cp)[2])&0x3F)]]) & 0x00200000) ? ((cp)[2]) + ((int32)(js_A[js_Y[(js_X[(uint16)((cp)[2])>>6]<<6)|(((cp)[2])&0x3F)]]) >> 22) : ((cp)[2]))) == 'l')))
21059                 break;
21060             end = --cp;
21061         }
21062     }
21063     length = end - cp;
21064     bp = (jschar *) cp;
21065     newlength = length;
21066     if ((length >= 3 && (((jschar) (((js_A[js_Y[(js_X[(uint16)((cp)[0])>>6]<<6)|(((cp)[0])&0x3F)]]) & 0x00200000) ? ((cp)[0]) + ((int32)(js_A[js_Y[(js_X[(uint16)((cp)[0])>>6]<<6)|(((cp)[0])&0x3F)]]) >> 22) : ((cp)[0]))) == 'x' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((cp)[1])>>6]<<6)|(((cp)[1])&0x3F)]]) & 0x00200000) ? ((cp)[1]) + ((int32)(js_A[js_Y[(js_X[(uint16)((cp)[1])>>6]<<6)|(((cp)[1])&0x3F)]]) >> 22) : ((cp)[1]))) == 'm' && ((jschar) (((js_A[js_Y[(js_X[(uint16)((cp)[2])>>6]<<6)|(((cp)[2])&0x3F)]]) & 0x00200000) ? ((cp)[2]) + ((int32)(js_A[js_Y[(js_X[(uint16)((cp)[2])>>6]<<6)|(((cp)[2])&0x3F)]]) >> 22) : ((cp)[2]))) == 'l')) || !IsXMLName(cp, length)) {
21067         newlength = length + 2 + (size_t) log10((double) decls->length);
21068         bp = (jschar *)
21069              cx->malloc((newlength + 1) * sizeof(jschar));
21070         if (!bp)
21071             return __null;
21072         bp[newlength] = 0;
21073         for (i = 0; i < newlength; i++)
21074              bp[i] = 'a';
21075     }
21076     serial = 0;
21077     do {
21078         done = (JSIntn)1;
21079         for (i = 0, n = decls->length; i < n; i++) {
21080             ns = (((i) < (decls)->length) ? (JSObject *) (decls)->vector[i] : __null);
21081             if (ns && (nsprefix = ns->getNamePrefix()) &&
21082                 nsprefix->length() == newlength &&
21083                 !memcmp(nsprefix->chars(), bp,
21084                         newlength * sizeof(jschar))) {
21085                 if (bp == cp) {
21086                     newlength = length + 2 + (size_t) log10((double) n);
21087                     bp = (jschar *)
21088                          cx->malloc((newlength + 1) * sizeof(jschar));
21089                     if (!bp)
21090                         return __null;
21091                     memcpy((bp), (cp), (length) * sizeof(jschar));
21092                 }
21093                 ++serial;
21094                 ((void) 0);
21095                 dp = bp + length + 2 + (size_t) log10((double) serial);
21096                 *dp = 0;
21097                 for (m = serial; m != 0; m /= 10)
21098                     *--dp = (jschar)('0' + m % 10);
21099                 *--dp = '-';
21100                 ((void) 0);
21101                 done = (JSIntn)0;
21102                 break;
21103             }
21104         }
21105     } while (!done);
21106     if (bp == cp) {
21107         offset = cp - start;
21108         prefix = js_NewDependentString(cx, uri, offset, length);
21109     } else {
21110         prefix = js_NewString(cx, bp, newlength);
21111         if (!prefix)
21112             cx->free(bp);
21113     }
21114     return prefix;
21115 }
21116 static JSBool
21117 namespace_match(const void *a, const void *b)
21118 {
21119     const JSObject *nsa = (const JSObject *) a;
21120     const JSObject *nsb = (const JSObject *) b;
21121     JSLinearString *prefixa, *prefixb = nsb->getNamePrefix();
21122     if (prefixb) {
21123         prefixa = nsa->getNamePrefix();
21124         return prefixa && EqualStrings(prefixa, prefixb);
21125     }
21126     return EqualStrings(nsa->getNameURI(), nsb->getNameURI());
21127 }
21128 static JSString *
21129 XMLToXMLString(JSContext *cx, JSXML *xml, const JSXMLArray *ancestorNSes,
21130                uint32 indentLevel)
21131 {
21132     JSBool pretty, indentKids;
21133     StringBuffer sb(cx);
21134     JSString *str;
21135     JSLinearString *prefix, *nsuri;
21136     uint32 i, n, nextIndentLevel;
21137     JSObject *ns, *ns2;
21138     AutoNamespaceArray empty(cx), decls(cx), ancdecls(cx);
21139     if (!GetBooleanXMLSetting(cx, js_prettyPrinting_str, &pretty))
21140         return __null;
21141     if (pretty) {
21142         if (!sb.appendN(' ', indentLevel & ~0x80000000))
21143             return __null;
21144     }
21145     str = __null;
21146     switch (xml->xml_class) {
21147       case JSXML_CLASS_TEXT:
21148         if (pretty) {
21149             str = ChompXMLWhitespace(cx, xml->u.value);
21150             if (!str)
21151                 return __null;
21152         } else {
21153             str = xml->u.value;
21154         }
21155         return EscapeElementValue(cx, sb, str, indentLevel & 0x80000000);
21156       case JSXML_CLASS_ATTRIBUTE:
21157         return EscapeAttributeValue(cx, sb, xml->u.value,
21158                                     (indentLevel & 0x80000000) != 0);
21159       case JSXML_CLASS_COMMENT:
21160         return MakeXMLCommentString(cx, sb, xml->u.value);
21161       case JSXML_CLASS_PROCESSING_INSTRUCTION:
21162         return MakeXMLPIString(cx, sb, xml->name->getQNameLocalName(),
21163                                xml->u.value);
21164       case JSXML_CLASS_LIST:
21165         {
21166             JSXMLArrayCursor cursor(&xml->u.list.kids);
21167             i = 0;
21168             while (JSXML *kid = (JSXML *) cursor.getNext()) {
21169                 if (pretty && i != 0) {
21170                     if (!sb.append('\n'))
21171                         return __null;
21172                 }
21173                 JSString *kidstr = XMLToXMLString(cx, kid, ancestorNSes, indentLevel);
21174                 if (!kidstr || !sb.append(kidstr))
21175                     return __null;
21176                 ++i;
21177             }
21178         }
21179         if (sb.empty())
21180             return cx->runtime->emptyString;
21181         return sb.finishString();
21182       default:;
21183     }
21184     if (!js_EnterLocalRootScope(cx))
21185         return __null;
21186     if (!ancestorNSes)
21187         ancestorNSes = &empty.array;
21188     {
21189         JSXMLArrayCursor cursor(&xml->u.elem.namespaces);
21190         while ((ns = (JSObject *) cursor.getNext()) != __null) {
21191             if (!IsDeclared(ns))
21192                 continue;
21193             if (!(XMLArrayFindMember(ancestorNSes, (void *)(ns), namespace_identity) != ((uint32) -1))) {
21194                 ns2 = NewXMLNamespace(cx, ns->getNamePrefix(), ns->getNameURI(), (JSIntn)1);
21195                 if (!ns2 || !XMLArrayAddMember(cx, &decls.array, (&decls.array)->length, (void *)((ns2))))
21196                     goto out;
21197             }
21198         }
21199     }
21200     if (!ancdecls.array.setCapacity(cx, ancestorNSes->length + decls.length()))
21201         goto out;
21202     for (i = 0, n = ancestorNSes->length; i < n; i++) {
21203         ns2 = (((i) < (ancestorNSes)->length) ? (JSObject *) (ancestorNSes)->vector[i] : __null);
21204         if (!ns2)
21205             continue;
21206         ((void) 0);
21207         if (!XMLArrayAddMember(cx, &ancdecls.array, (&ancdecls.array)->length, (void *)((ns2))))
21208             goto out;
21209     }
21210     for (i = 0, n = decls.length(); i < n; i++) {
21211         ns2 = (((i) < (&decls.array)->length) ? (JSObject *) (&decls.array)->vector[i] : __null);
21212         if (!ns2)
21213             continue;
21214         ((void) 0);
21215         if (!XMLArrayAddMember(cx, &ancdecls.array, (&ancdecls.array)->length, (void *)((ns2))))
21216             goto out;
21217     }
21218     ns = GetNamespace(cx, xml->name, &ancdecls.array);
21219     if (!ns)
21220         goto out;
21221     prefix = ns->getNamePrefix();
21222     if (!prefix) {
21223         nsuri = ns->getNameURI();
21224         if (!xml->name->getNamePrefix()) {
21225             prefix = cx->runtime->emptyString;
21226         } else {
21227             prefix = GeneratePrefix(cx, nsuri, &ancdecls.array);
21228             if (!prefix)
21229                 goto out;
21230         }
21231         ns = NewXMLNamespace(cx, prefix, nsuri, (JSIntn)1);
21232         if (!ns)
21233             goto out;
21234         if (prefix->empty()) {
21235             i = XMLArrayFindMember(&decls.array, ns, namespace_match);
21236             if (i != ((uint32) -1))
21237                 XMLArrayDelete(cx, &decls.array, i, (JSIntn)1);
21238         }
21239         if (!XMLArrayAddMember(cx, &ancdecls.array, (&ancdecls.array)->length, (void *)((ns))) ||
21240             !XMLArrayAddMember(cx, &decls.array, (&decls.array)->length, (void *)((ns)))) {
21241             goto out;
21242         }
21243     }
21244     if (!sb.append('<'))
21245         goto out;
21246     if (!prefix->empty()) {
21247         if (!sb.append(prefix) || !sb.append(':'))
21248             goto out;
21249     }
21250     if (!sb.append(xml->name->getQNameLocalName()))
21251         goto out;
21252     {
21253         JSXMLArrayCursor cursor(&xml->u.elem.attrs);
21254         while (JSXML *attr = (JSXML *) cursor.getNext()) {
21255             if (!sb.append(' '))
21256                 goto out;
21257             ns2 = GetNamespace(cx, attr->name, &ancdecls.array);
21258             if (!ns2)
21259                 goto out;
21260             prefix = ns2->getNamePrefix();
21261             if (!prefix) {
21262                 prefix = GeneratePrefix(cx, ns2->getNameURI(), &ancdecls.array);
21263                 if (!prefix)
21264                     goto out;
21265                 ns2 = NewXMLNamespace(cx, prefix, ns2->getNameURI(), (JSIntn)1);
21266                 if (!ns2)
21267                     goto out;
21268                 if (!XMLArrayAddMember(cx, &ancdecls.array, (&ancdecls.array)->length, (void *)((ns2))) ||
21269                     !XMLArrayAddMember(cx, &decls.array, (&decls.array)->length, (void *)((ns2)))) {
21270                     goto out;
21271                 }
21272             }
21273             if (!prefix->empty()) {
21274                 if (!sb.append(prefix) || !sb.append(':'))
21275                     goto out;
21276             }
21277             if (!sb.append(attr->name->getQNameLocalName()))
21278                 goto out;
21279             if (!AppendAttributeValue(cx, sb, attr->u.value))
21280                 goto out;
21281         }
21282     }
21283     {
21284         JSXMLArrayCursor cursor(&decls.array);
21285         while (JSObject *ns3 = (JSObject *) cursor.getNext()) {
21286             ((void) 0);
21287             if (!sb.append(" xmlns"))
21288                 goto out;
21289             prefix = ns3->getNamePrefix();
21290             if (!prefix) {
21291                 prefix = GeneratePrefix(cx, ns3->getNameURI(), &ancdecls.array);
21292                 if (!prefix)
21293                     goto out;
21294                 ns3->setNamePrefix(prefix);
21295             }
21296             if (!prefix->empty()) {
21297                 if (!sb.append(':') || !sb.append(prefix))
21298                     goto out;
21299             }
21300             if (!AppendAttributeValue(cx, sb, ns3->getNameURI()))
21301                 goto out;
21302         }
21303     }
21304     n = xml->u.list.kids.length;
21305     if (n == 0) {
21306         if (!sb.append("/>"))
21307             goto out;
21308     } else {
21309         if (!sb.append('>'))
21310             goto out;
21311         {
21312             JSXML *kid;
21313             indentKids = n > 1 ||
21314                          (n == 1 &&
21315                           (kid = (((0) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[0] : __null)) &&
21316                           kid->xml_class != JSXML_CLASS_TEXT);
21317         }
21318         if (pretty && indentKids) {
21319             if (!GetUint32XMLSetting(cx, js_prettyIndent_str, &i))
21320                 goto out;
21321             nextIndentLevel = indentLevel + i;
21322         } else {
21323             nextIndentLevel = indentLevel & 0x80000000;
21324         }
21325         {
21326             JSXMLArrayCursor cursor(&xml->u.list.kids);
21327             while (JSXML *kid = (JSXML *) cursor.getNext()) {
21328                 if (pretty && indentKids) {
21329                     if (!sb.append('\n'))
21330                         goto out;
21331                 }
21332                 JSString *kidstr = XMLToXMLString(cx, kid, &ancdecls.array, nextIndentLevel);
21333                 if (!kidstr)
21334                     goto out;
21335                 if (!sb.append(kidstr))
21336                     goto out;
21337             }
21338         }
21339         if (pretty && indentKids) {
21340             if (!sb.append('\n') ||
21341                 !sb.appendN(' ', indentLevel & ~0x80000000))
21342                 goto out;
21343         }
21344         if (!sb.append("</"))
21345             goto out;
21346         prefix = ns->getNamePrefix();
21347         if (prefix && !prefix->empty()) {
21348             if (!sb.append(prefix) || !sb.append(':'))
21349                 goto out;
21350         }
21351         if (!sb.append(xml->name->getQNameLocalName()) || !sb.append('>'))
21352             goto out;
21353     }
21354     str = sb.finishString();
21355 out:
21356     js_LeaveLocalRootScopeWithResult(cx, str);
21357     return str;
21358 }
21359 static JSString *
21360 ToXMLString(JSContext *cx, jsval v, uint32 toSourceFlag)
21361 {
21362     JSObject *obj;
21363     JSString *str;
21364     JSXML *xml;
21365     if (JSVAL_IS_NULL(v) || JSVAL_IS_VOID(v)) {
21366         JS_ReportErrorNumber(cx, js_GetErrorMessage, __null,
21367                              JSMSG_BAD_XML_CONVERSION,
21368                              JSVAL_IS_NULL(v) ? js_null_str : js_undefined_str);
21369         return __null;
21370     }
21371     if (JSVAL_IS_BOOLEAN(v) || JSVAL_IS_NUMBER(v))
21372         return js_ValueToString(cx, Valueify(v));
21373     if (JSVAL_IS_STRING(v)) {
21374         StringBuffer sb(cx);
21375         return EscapeElementValue(cx, sb, JSVAL_TO_STRING(v), toSourceFlag);
21376     }
21377     obj = JSVAL_TO_OBJECT(v);
21378     if (!obj->isXML()) {
21379         if (!DefaultValue(cx, obj, JSTYPE_STRING, Valueify(&v)))
21380             return __null;
21381         str = js_ValueToString(cx, Valueify(v));
21382         if (!str)
21383             return __null;
21384         StringBuffer sb(cx);
21385         return EscapeElementValue(cx, sb, str, toSourceFlag);
21386     }
21387     xml = (JSXML *) obj->getPrivate();
21388     return XMLToXMLString(cx, xml, __null, toSourceFlag | 0);
21389 }
21390 static JSObject *
21391 ToAttributeName(JSContext *cx, jsval v)
21392 {
21393     JSLinearString *name, *uri, *prefix;
21394     JSObject *obj;
21395     Class *clasp;
21396     JSObject *qn;
21397     if (JSVAL_IS_STRING(v)) {
21398         name = JSVAL_TO_STRING(v)->ensureLinear(cx);
21399         if (!name)
21400             return __null;
21401         uri = prefix = cx->runtime->emptyString;
21402     } else {
21403         if (JSVAL_IS_PRIMITIVE(v)) {
21404             ((void)js_ReportValueErrorFlags(cx, 0x0, JSMSG_BAD_XML_ATTR_NAME, 0, Valueify(v), __null, __null, __null))
21405                                                                       ;
21406             return __null;
21407         }
21408         obj = JSVAL_TO_OBJECT(v);
21409         clasp = obj->getClass();
21410         if (clasp == &js_AttributeNameClass)
21411             return obj;
21412         if (clasp == &js_QNameClass) {
21413             qn = obj;
21414             uri = qn->getNameURI();
21415             prefix = qn->getNamePrefix();
21416             name = qn->getQNameLocalName();
21417         } else {
21418             if (clasp == &js_AnyNameClass) {
21419                 name = (cx->runtime->atomState.starAtom);
21420             } else {
21421                 JSString *str = js_ValueToString(cx, Valueify(v));
21422                 if (!str)
21423                     return __null;
21424                 name = str->ensureLinear(cx);
21425                 if (!name)
21426                     return __null;
21427             }
21428             uri = prefix = cx->runtime->emptyString;
21429         }
21430     }
21431     qn = NewXMLAttributeName(cx, uri, prefix, name);
21432     if (!qn)
21433         return __null;
21434     return qn;
21435 }
21436 static void
21437 ReportBadXMLName(JSContext *cx, const Value &idval)
21438 {
21439     ((void)js_ReportValueErrorFlags(cx, 0x0, JSMSG_BAD_XML_NAME, 0, idval, __null, __null, __null));
21440 }
21441 static JSBool
21442 IsFunctionQName(JSContext *cx, JSObject *qn, jsid *funidp)
21443 {
21444     JSAtom *atom;
21445     JSLinearString *uri;
21446     atom = cx->runtime->atomState.functionNamespaceURIAtom;
21447     uri = qn->getNameURI();
21448     if (uri &&
21449         (uri == (atom) ||
21450          EqualStrings(uri, (atom)))) {
21451         return JS_ValueToId(cx, STRING_TO_JSVAL(qn->getQNameLocalName()), funidp);
21452     }
21453     *funidp = ((jsid)0x2);
21454     return (JSIntn)1;
21455 }
21456 JSBool
21457 js_IsFunctionQName(JSContext *cx, JSObject *obj, jsid *funidp)
21458 {
21459     if (obj->getClass() == &js_QNameClass)
21460         return IsFunctionQName(cx, obj, funidp);
21461     *funidp = ((jsid)0x2);
21462     return (JSIntn)1;
21463 }
21464 static JSObject *
21465 ToXMLName(JSContext *cx, jsval v, jsid *funidp)
21466 {
21467     JSAtom *atomizedName;
21468     JSString *name;
21469     JSObject *obj;
21470     Class *clasp;
21471     uint32 index;
21472     if (JSVAL_IS_STRING(v)) {
21473         name = JSVAL_TO_STRING(v);
21474     } else {
21475         if (JSVAL_IS_PRIMITIVE(v)) {
21476             ReportBadXMLName(cx, Valueify(v));
21477             return __null;
21478         }
21479         obj = JSVAL_TO_OBJECT(v);
21480         clasp = obj->getClass();
21481         if (clasp == &js_AttributeNameClass || clasp == &js_QNameClass)
21482             goto out;
21483         if (clasp == &js_AnyNameClass) {
21484             name = (cx->runtime->atomState.starAtom);
21485             goto construct;
21486         }
21487         name = js_ValueToString(cx, Valueify(v));
21488         if (!name)
21489             return __null;
21490     }
21491     atomizedName = js_AtomizeString(cx, name, 0);
21492     if (!atomizedName)
21493         return __null;
21494     if (js_IdIsIndex(ATOM_TO_JSID(atomizedName), &index))
21495         goto bad;
21496     if (*atomizedName->chars() == '@') {
21497         name = js_NewDependentString(cx, name, 1, name->length() - 1);
21498         if (!name)
21499             return __null;
21500         *funidp = ((jsid)0x2);
21501         return ToAttributeName(cx, STRING_TO_JSVAL(name));
21502     }
21503 construct:
21504     v = STRING_TO_JSVAL(name);
21505     obj = js_ConstructObject(cx, &js_QNameClass, __null, __null, 1, Valueify(&v));
21506     if (!obj)
21507         return __null;
21508 out:
21509     if (!IsFunctionQName(cx, obj, funidp))
21510         return __null;
21511     return obj;
21512 bad:
21513     JSAutoByteString bytes;
21514     if (js_ValueToPrintable(cx, StringValue(name), &bytes))
21515         JS_ReportErrorNumber(cx, js_GetErrorMessage, __null, JSMSG_BAD_XML_NAME, bytes.ptr());
21516     return __null;
21517 }
21518 static JSBool
21519 AddInScopeNamespace(JSContext *cx, JSXML *xml, JSObject *ns)
21520 {
21521     JSLinearString *prefix, *prefix2;
21522     JSObject *match, *ns2;
21523     uint32 i, n, m;
21524     if (xml->xml_class != JSXML_CLASS_ELEMENT)
21525         return (JSIntn)1;
21526     prefix = ns->getNamePrefix();
21527     if (!prefix) {
21528         match = __null;
21529         for (i = 0, n = xml->u.elem.namespaces.length; i < n; i++) {
21530             ns2 = (((i) < (&xml->u.elem.namespaces)->length) ? (JSObject *) (&xml->u.elem.namespaces)->vector[i] : __null);
21531             if (ns2 && EqualStrings(ns2->getNameURI(), ns->getNameURI())) {
21532                 match = ns2;
21533                 break;
21534             }
21535         }
21536         if (!match && !XMLArrayAddMember(cx, &xml->u.elem.namespaces, n, (void *)(ns)))
21537             return (JSIntn)0;
21538     } else {
21539         if (prefix->empty() && xml->name->getNameURI()->empty())
21540             return (JSIntn)1;
21541         match = __null;
21542         m = ((uint32) -1);
21543         for (i = 0, n = xml->u.elem.namespaces.length; i < n; i++) {
21544             ns2 = (((i) < (&xml->u.elem.namespaces)->length) ? (JSObject *) (&xml->u.elem.namespaces)->vector[i] : __null);
21545             if (ns2 && (prefix2 = ns2->getNamePrefix()) &&
21546                 EqualStrings(prefix2, prefix)) {
21547                 match = ns2;
21548                 m = i;
21549                 break;
21550             }
21551         }
21552         if (match && !EqualStrings(match->getNameURI(), ns->getNameURI())) {
21553             ns2 = ((JSObject *) XMLArrayDelete(cx, &xml->u.elem.namespaces, m, (JSIntn)1))
21554                                            ;
21555             ((void) 0);
21556             match->clearNamePrefix();
21557             if (!AddInScopeNamespace(cx, xml, match))
21558                 return (JSIntn)0;
21559         }
21560         if (!XMLArrayAddMember(cx, &xml->u.elem.namespaces, (&xml->u.elem.namespaces)->length, (void *)((ns))))
21561             return (JSIntn)0;
21562     }
21563     return (JSIntn)1;
21564 }
21565 static JSBool
21566 Append(JSContext *cx, JSXML *list, JSXML *xml)
21567 {
21568     uint32 i, j, k, n;
21569     JSXML *kid;
21570     ((void) 0);
21571     i = list->u.list.kids.length;
21572     n = 1;
21573     if (xml->xml_class == JSXML_CLASS_LIST) {
21574         list->u.list.target = xml->u.list.target;
21575         list->u.list.targetprop = xml->u.list.targetprop;
21576         n = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0);
21577         k = i + n;
21578         if (!list->u.list.kids.setCapacity(cx, k))
21579             return (JSIntn)0;
21580         for (j = 0; j < n; j++) {
21581             kid = (((j) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[j] : __null);
21582             if (kid)
21583                 do { if ((&list->u.list.kids)->length <= (i + j)) (&list->u.list.kids)->length = (i + j) + 1; ((&list->u.list.kids)->vector[i + j] = (void *)(kid)); } while (0);
21584         }
21585         return (JSIntn)1;
21586     }
21587     list->u.list.target = xml->parent;
21588     if (xml->xml_class == JSXML_CLASS_PROCESSING_INSTRUCTION)
21589         list->u.list.targetprop = __null;
21590     else
21591         list->u.list.targetprop = xml->name;
21592     if (!XMLArrayAddMember(cx, &list->u.list.kids, i, (void *)(xml)))
21593         return (JSIntn)0;
21594     return (JSIntn)1;
21595 }
21596 static JSXML *
21597 DeepCopyInLRS(JSContext *cx, JSXML *xml, uintN flags);
21598 static JSXML *
21599 DeepCopy(JSContext *cx, JSXML *xml, JSObject *obj, uintN flags)
21600 {
21601     JSXML *copy;
21602     if (!js_EnterLocalRootScope(cx))
21603         return __null;
21604     copy = DeepCopyInLRS(cx, xml, flags);
21605     if (copy) {
21606         if (obj) {
21607             obj->setPrivate(copy);
21608             copy->object = obj;
21609         } else if (!js_GetXMLObject(cx, copy)) {
21610             copy = __null;
21611         }
21612     }
21613     js_LeaveLocalRootScopeWithResult(cx, copy);
21614     return copy;
21615 }
21616 static JSBool
21617 DeepCopySetInLRS(JSContext *cx, JSXMLArray *from, JSXMLArray *to, JSXML *parent,
21618                  uintN flags)
21619 {
21620     uint32 j, n;
21621     JSXML *kid2;
21622     JSString *str;
21623     n = from->length;
21624     if (!to->setCapacity(cx, n))
21625         return (JSIntn)0;
21626     JSXMLArrayCursor cursor(from);
21627     j = 0;
21628     while (JSXML *kid = (JSXML *) cursor.getNext()) {
21629         if ((flags & ((JSUint32)1 << (0))) &&
21630             kid->xml_class == JSXML_CLASS_COMMENT) {
21631             continue;
21632         }
21633         if ((flags & ((JSUint32)1 << (1))) &&
21634             kid->xml_class == JSXML_CLASS_PROCESSING_INSTRUCTION) {
21635             continue;
21636         }
21637         if ((flags & ((JSUint32)1 << (2))) &&
21638             (kid->xml_flags & 0x1)) {
21639             continue;
21640         }
21641         kid2 = DeepCopyInLRS(cx, kid, flags);
21642         if (!kid2) {
21643             to->length = j;
21644             return (JSIntn)0;
21645         }
21646         if ((flags & ((JSUint32)1 << (2))) &&
21647             n > 1 && kid2->xml_class == JSXML_CLASS_TEXT) {
21648             str = ChompXMLWhitespace(cx, kid2->u.value);
21649             if (!str) {
21650                 to->length = j;
21651                 return (JSIntn)0;
21652             }
21653             kid2->u.value = str;
21654         }
21655         do { if ((to)->length <= (j)) (to)->length = (j) + 1; ((to)->vector[j] = (void *)(kid2)); } while (0);
21656         ++j;
21657         if (parent->xml_class != JSXML_CLASS_LIST)
21658             kid2->parent = parent;
21659     }
21660     if (j < n)
21661         to->trim();
21662     return (JSIntn)1;
21663 }
21664 static JSXML *
21665 DeepCopyInLRS(JSContext *cx, JSXML *xml, uintN flags)
21666 {
21667     JSXML *copy;
21668     JSObject *qn;
21669     JSBool ok;
21670     uint32 i, n;
21671     JSObject *ns, *ns2;
21672     do { int stackDummy_; if (!((jsuword)(&stackDummy_) > cx->stackLimit)) { js_ReportOverRecursed(cx); return __null; } } while (0);
21673     copy = js_NewXML(cx, JSXMLClass(xml->xml_class));
21674     if (!copy)
21675         return __null;
21676     qn = xml->name;
21677     if (qn) {
21678         qn = NewXMLQName(cx, qn->getNameURI(), qn->getNamePrefix(), qn->getQNameLocalName());
21679         if (!qn) {
21680             ok = (JSIntn)0;
21681             goto out;
21682         }
21683     }
21684     copy->name = qn;
21685     copy->xml_flags = xml->xml_flags;
21686     if ((((xml)->xml_class) >= JSXML_CLASS_ATTRIBUTE)) {
21687         copy->u.value = xml->u.value;
21688         ok = (JSIntn)1;
21689     } else {
21690         ok = DeepCopySetInLRS(cx, &xml->u.list.kids, &copy->u.list.kids, copy, flags);
21691         if (!ok)
21692             goto out;
21693         if (xml->xml_class == JSXML_CLASS_LIST) {
21694             copy->u.list.target = xml->u.list.target;
21695             copy->u.list.targetprop = xml->u.list.targetprop;
21696         } else {
21697             n = xml->u.elem.namespaces.length;
21698             ok = copy->u.elem.namespaces.setCapacity(cx, n);
21699             if (!ok)
21700                 goto out;
21701             for (i = 0; i < n; i++) {
21702                 ns = (((i) < (&xml->u.elem.namespaces)->length) ? (JSObject *) (&xml->u.elem.namespaces)->vector[i] : __null);
21703                 if (!ns)
21704                     continue;
21705                 ns2 = NewXMLNamespace(cx, ns->getNamePrefix(), ns->getNameURI(),
21706                                       IsDeclared(ns));
21707                 if (!ns2) {
21708                     copy->u.elem.namespaces.length = i;
21709                     ok = (JSIntn)0;
21710                     goto out;
21711                 }
21712                 do { if ((&copy->u.elem.namespaces)->length <= (i)) (&copy->u.elem.namespaces)->length = (i) + 1; ((&copy->u.elem.namespaces)->vector[i] = (void *)(ns2)); } while (0);
21713             }
21714             ok = DeepCopySetInLRS(cx, &xml->u.elem.attrs, &copy->u.elem.attrs, copy,
21715                                   0);
21716             if (!ok)
21717                 goto out;
21718         }
21719     }
21720 out:
21721     if (!ok)
21722         return __null;
21723     return copy;
21724 }
21725 static void
21726 DeleteByIndex(JSContext *cx, JSXML *xml, uint32 index)
21727 {
21728     JSXML *kid;
21729     if ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) && index < xml->u.list.kids.length) {
21730         kid = (((index) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[index] : __null);
21731         if (kid)
21732             kid->parent = __null;
21733         XMLArrayDelete(cx, &xml->u.list.kids, index, (JSIntn)1);
21734     }
21735 }
21736 typedef JSBool (*JSXMLNameMatcher)(JSObject *nameqn, JSXML *xml);
21737 static JSBool
21738 MatchAttrName(JSObject *nameqn, JSXML *attr)
21739 {
21740     JSObject *attrqn = attr->name;
21741     JSLinearString *localName = nameqn->getQNameLocalName();
21742     JSLinearString *uri;
21743     return (((localName)->length() == 1 && *(localName)->chars() == '*') ||
21744             EqualStrings(attrqn->getQNameLocalName(), localName)) &&
21745            (!(uri = nameqn->getNameURI()) ||
21746             EqualStrings(attrqn->getNameURI(), uri));
21747 }
21748 static JSBool
21749 MatchElemName(JSObject *nameqn, JSXML *elem)
21750 {
21751     JSLinearString *localName = nameqn->getQNameLocalName();
21752     JSLinearString *uri;
21753     return (((localName)->length() == 1 && *(localName)->chars() == '*') ||
21754             (elem->xml_class == JSXML_CLASS_ELEMENT &&
21755              EqualStrings(elem->name->getQNameLocalName(), localName))) &&
21756            (!(uri = nameqn->getNameURI()) ||
21757             (elem->xml_class == JSXML_CLASS_ELEMENT &&
21758              EqualStrings(elem->name->getNameURI(), uri)));
21759 }
21760 static JSBool
21761 DescendantsHelper(JSContext *cx, JSXML *xml, JSObject *nameqn, JSXML *list)
21762 {
21763     uint32 i, n;
21764     JSXML *attr, *kid;
21765     do { int stackDummy_; if (!((jsuword)(&stackDummy_) > cx->stackLimit)) { js_ReportOverRecursed(cx); return (JSIntn)0; } } while (0);
21766     if (xml->xml_class == JSXML_CLASS_ELEMENT &&
21767         nameqn->getClass() == &js_AttributeNameClass) {
21768         for (i = 0, n = xml->u.elem.attrs.length; i < n; i++) {
21769             attr = (((i) < (&xml->u.elem.attrs)->length) ? (JSXML *) (&xml->u.elem.attrs)->vector[i] : __null);
21770             if (attr && MatchAttrName(nameqn, attr)) {
21771                 if (!Append(cx, list, attr))
21772                     return (JSIntn)0;
21773             }
21774         }
21775     }
21776     for (i = 0, n = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0); i < n; i++) {
21777         kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
21778         if (!kid)
21779             continue;
21780         if (nameqn->getClass() != &js_AttributeNameClass &&
21781             MatchElemName(nameqn, kid)) {
21782             if (!Append(cx, list, kid))
21783                 return (JSIntn)0;
21784         }
21785         if (!DescendantsHelper(cx, kid, nameqn, list))
21786             return (JSIntn)0;
21787     }
21788     return (JSIntn)1;
21789 }
21790 static JSXML *
21791 Descendants(JSContext *cx, JSXML *xml, jsval id)
21792 {
21793     jsid funid;
21794     JSObject *nameqn;
21795     JSObject *listobj;
21796     JSXML *list, *kid;
21797     uint32 i, n;
21798     JSBool ok;
21799     nameqn = ToXMLName(cx, id, &funid);
21800     if (!nameqn)
21801         return __null;
21802     listobj = js_NewXMLObject(cx, JSXML_CLASS_LIST);
21803     if (!listobj)
21804         return __null;
21805     list = (JSXML *) listobj->getPrivate();
21806     if (!JSID_IS_VOID(funid))
21807         return list;
21808     list->name = nameqn;
21809     if (!js_EnterLocalRootScope(cx))
21810         return __null;
21811     if (xml->xml_class == JSXML_CLASS_LIST) {
21812         ok = (JSIntn)1;
21813         for (i = 0, n = xml->u.list.kids.length; i < n; i++) {
21814             kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
21815             if (kid && kid->xml_class == JSXML_CLASS_ELEMENT) {
21816                 ok = DescendantsHelper(cx, kid, nameqn, list);
21817                 if (!ok)
21818                     break;
21819             }
21820         }
21821     } else {
21822         ok = DescendantsHelper(cx, xml, nameqn, list);
21823     }
21824     js_LeaveLocalRootScopeWithResult(cx, list);
21825     if (!ok)
21826         return __null;
21827     list->name = __null;
21828     return list;
21829 }
21830 static JSBool
21831 XMLEquals(JSContext *cx, JSXML *xml, JSXML *vxml, JSBool *bp)
21832 {
21833     JSObject *qn, *vqn;
21834     uint32 i, j, n;
21835     JSXML *kid, *vkid, *attr, *vattr;
21836     JSObject *xobj, *vobj;
21837 retry:
21838     if (xml->xml_class != vxml->xml_class) {
21839         if (xml->xml_class == JSXML_CLASS_LIST && xml->u.list.kids.length == 1) {
21840             xml = (((0) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[0] : __null);
21841             if (xml)
21842                 goto retry;
21843         }
21844         if (vxml->xml_class == JSXML_CLASS_LIST && vxml->u.list.kids.length == 1) {
21845             vxml = (((0) < (&vxml->u.list.kids)->length) ? (JSXML *) (&vxml->u.list.kids)->vector[0] : __null);
21846             if (vxml)
21847                 goto retry;
21848         }
21849         *bp = (JSIntn)0;
21850         return (JSIntn)1;
21851     }
21852     qn = xml->name;
21853     vqn = vxml->name;
21854     if (qn) {
21855         *bp = vqn &&
21856               EqualStrings(qn->getQNameLocalName(), vqn->getQNameLocalName()) &&
21857               EqualStrings(qn->getNameURI(), vqn->getNameURI());
21858     } else {
21859         *bp = vqn == __null;
21860     }
21861     if (!*bp)
21862         return (JSIntn)1;
21863     if ((((xml)->xml_class) >= JSXML_CLASS_ATTRIBUTE)) {
21864         if (!EqualStrings(cx, xml->u.value, vxml->u.value, bp))
21865             return (JSIntn)0;
21866     } else if (xml->u.list.kids.length != vxml->u.list.kids.length) {
21867         *bp = (JSIntn)0;
21868     } else {
21869         {
21870             JSXMLArrayCursor cursor(&xml->u.list.kids);
21871             JSXMLArrayCursor vcursor(&vxml->u.list.kids);
21872             for (;;) {
21873                 kid = (JSXML *) cursor.getNext();
21874                 vkid = (JSXML *) vcursor.getNext();
21875                 if (!kid || !vkid) {
21876                     *bp = !kid && !vkid;
21877                     break;
21878                 }
21879                 xobj = js_GetXMLObject(cx, kid);
21880                 vobj = js_GetXMLObject(cx, vkid);
21881                 if (!xobj || !vobj ||
21882                     !js_TestXMLEquality(cx, ObjectValue(*xobj), ObjectValue(*vobj), bp))
21883                     return (JSIntn)0;
21884                 if (!*bp)
21885                     break;
21886             }
21887         }
21888         if (*bp && xml->xml_class == JSXML_CLASS_ELEMENT) {
21889             n = xml->u.elem.attrs.length;
21890             if (n != vxml->u.elem.attrs.length)
21891                 *bp = (JSIntn)0;
21892             for (i = 0; *bp && i < n; i++) {
21893                 attr = (((i) < (&xml->u.elem.attrs)->length) ? (JSXML *) (&xml->u.elem.attrs)->vector[i] : __null);
21894                 if (!attr)
21895                     continue;
21896                 j = XMLArrayFindMember(&vxml->u.elem.attrs, (void *)(attr), attr_identity);
21897                 if (j == ((uint32) -1)) {
21898                     *bp = (JSIntn)0;
21899                     break;
21900                 }
21901                 vattr = (((j) < (&vxml->u.elem.attrs)->length) ? (JSXML *) (&vxml->u.elem.attrs)->vector[j] : __null);
21902                 if (!vattr)
21903                     continue;
21904                 if (!EqualStrings(cx, attr->u.value, vattr->u.value, bp))
21905                     return (JSIntn)0;
21906             }
21907         }
21908     }
21909     return (JSIntn)1;
21910 }
21911 static JSBool
21912 Equals(JSContext *cx, JSXML *xml, jsval v, JSBool *bp)
21913 {
21914     JSObject *vobj;
21915     JSXML *vxml;
21916     if (JSVAL_IS_PRIMITIVE(v)) {
21917         *bp = (JSIntn)0;
21918         if (xml->xml_class == JSXML_CLASS_LIST) {
21919             if (xml->u.list.kids.length == 1) {
21920                 vxml = (((0) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[0] : __null);
21921                 if (!vxml)
21922                     return (JSIntn)1;
21923                 vobj = js_GetXMLObject(cx, vxml);
21924                 if (!vobj)
21925                     return (JSIntn)0;
21926                 return js_TestXMLEquality(cx, ObjectValue(*vobj), Valueify(v), bp);
21927             }
21928             if (JSVAL_IS_VOID(v) && xml->u.list.kids.length == 0)
21929                 *bp = (JSIntn)1;
21930         }
21931     } else {
21932         vobj = JSVAL_TO_OBJECT(v);
21933         if (!vobj->isXML()) {
21934             *bp = (JSIntn)0;
21935         } else {
21936             vxml = (JSXML *) vobj->getPrivate();
21937             if (!XMLEquals(cx, xml, vxml, bp))
21938                 return (JSIntn)0;
21939         }
21940     }
21941     return (JSIntn)1;
21942 }
21943 static JSBool
21944 CheckCycle(JSContext *cx, JSXML *xml, JSXML *kid)
21945 {
21946     ((void) 0);
21947     do {
21948         if (xml == kid) {
21949             JS_ReportErrorNumber(cx, js_GetErrorMessage, __null,
21950                                  JSMSG_CYCLIC_VALUE, js_XML_str);
21951             return (JSIntn)0;
21952         }
21953     } while ((xml = xml->parent) != __null);
21954     return (JSIntn)1;
21955 }
21956 static JSBool
21957 Insert(JSContext *cx, JSXML *xml, uint32 i, jsval v)
21958 {
21959     uint32 j, n;
21960     JSXML *vxml, *kid;
21961     JSObject *vobj;
21962     JSString *str;
21963     if (!(((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE))
21964         return (JSIntn)1;
21965     n = 1;
21966     vxml = __null;
21967     if (!JSVAL_IS_PRIMITIVE(v)) {
21968         vobj = JSVAL_TO_OBJECT(v);
21969         if (vobj->isXML()) {
21970             vxml = (JSXML *) vobj->getPrivate();
21971             if (vxml->xml_class == JSXML_CLASS_LIST) {
21972                 n = vxml->u.list.kids.length;
21973                 if (n == 0)
21974                     return (JSIntn)1;
21975                 for (j = 0; j < n; j++) {
21976                     kid = (((j) < (&vxml->u.list.kids)->length) ? (JSXML *) (&vxml->u.list.kids)->vector[j] : __null);
21977                     if (!kid)
21978                         continue;
21979                     if (!CheckCycle(cx, xml, kid))
21980                         return (JSIntn)0;
21981                 }
21982             } else if (vxml->xml_class == JSXML_CLASS_ELEMENT) {
21983                 if (!CheckCycle(cx, xml, vxml))
21984                     return (JSIntn)0;
21985             }
21986         }
21987     }
21988     if (!vxml) {
21989         str = js_ValueToString(cx, Valueify(v));
21990         if (!str)
21991             return (JSIntn)0;
21992         vxml = js_NewXML(cx, JSXML_CLASS_TEXT);
21993         if (!vxml)
21994             return (JSIntn)0;
21995         vxml->u.value = str;
21996     }
21997     if (i > xml->u.list.kids.length)
21998         i = xml->u.list.kids.length;
21999     if (!XMLArrayInsert(cx, &xml->u.list.kids, i, n))
22000         return (JSIntn)0;
22001     if (vxml->xml_class == JSXML_CLASS_LIST) {
22002         for (j = 0; j < n; j++) {
22003             kid = (((j) < (&vxml->u.list.kids)->length) ? (JSXML *) (&vxml->u.list.kids)->vector[j] : __null);
22004             if (!kid)
22005                 continue;
22006             kid->parent = xml;
22007             do { if ((&xml->u.list.kids)->length <= (i + j)) (&xml->u.list.kids)->length = (i + j) + 1; ((&xml->u.list.kids)->vector[i + j] = (void *)(kid)); } while (0);
22008         }
22009     } else {
22010         vxml->parent = xml;
22011         do { if ((&xml->u.list.kids)->length <= (i)) (&xml->u.list.kids)->length = (i) + 1; ((&xml->u.list.kids)->vector[i] = (void *)(vxml)); } while (0);
22012     }
22013     return (JSIntn)1;
22014 }
22015 static JSBool
22016 IndexToId(JSContext *cx, uint32 index, jsid *idp)
22017 {
22018     JSAtom *atom;
22019     JSString *str;
22020     if (index <= ((1 << 30) - 1)) {
22021         *idp = INT_TO_JSID(index);
22022     } else {
22023         str = js_NumberToString(cx, (jsdouble) index);
22024         if (!str)
22025             return (JSIntn)0;
22026         atom = js_AtomizeString(cx, str, 0);
22027         if (!atom)
22028             return (JSIntn)0;
22029         *idp = ATOM_TO_JSID(atom);
22030     }
22031     return (JSIntn)1;
22032 }
22033 static JSBool
22034 Replace(JSContext *cx, JSXML *xml, uint32 i, jsval v)
22035 {
22036     uint32 n;
22037     JSXML *vxml, *kid;
22038     JSObject *vobj;
22039     JSString *str;
22040     if (!(((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE))
22041         return (JSIntn)1;
22042     n = xml->u.list.kids.length;
22043     if (i > n)
22044         i = n;
22045     vxml = __null;
22046     if (!JSVAL_IS_PRIMITIVE(v)) {
22047         vobj = JSVAL_TO_OBJECT(v);
22048         if (vobj->isXML())
22049             vxml = (JSXML *) vobj->getPrivate();
22050     }
22051     switch (vxml ? JSXMLClass(vxml->xml_class) : JSXML_CLASS_LIMIT) {
22052       case JSXML_CLASS_ELEMENT:
22053         if (!CheckCycle(cx, xml, vxml))
22054             return (JSIntn)0;
22055       case JSXML_CLASS_COMMENT:
22056       case JSXML_CLASS_PROCESSING_INSTRUCTION:
22057       case JSXML_CLASS_TEXT:
22058         goto do_replace;
22059       case JSXML_CLASS_LIST:
22060         if (i < n)
22061             DeleteByIndex(cx, xml, i);
22062         if (!Insert(cx, xml, i, v))
22063             return (JSIntn)0;
22064         break;
22065       default:
22066         str = js_ValueToString(cx, Valueify(v));
22067         if (!str)
22068             return (JSIntn)0;
22069         vxml = js_NewXML(cx, JSXML_CLASS_TEXT);
22070         if (!vxml)
22071             return (JSIntn)0;
22072         vxml->u.value = str;
22073       do_replace:
22074         vxml->parent = xml;
22075         if (i < n) {
22076             kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
22077             if (kid)
22078                 kid->parent = __null;
22079         }
22080         if (!XMLArrayAddMember(cx, &xml->u.list.kids, i, (void *)(vxml)))
22081             return (JSIntn)0;
22082         break;
22083     }
22084     return (JSIntn)1;
22085 }
22086 static void
22087 DeleteNamedProperty(JSContext *cx, JSXML *xml, JSObject *nameqn,
22088                     JSBool attributes)
22089 {
22090     JSXMLArray *array;
22091     uint32 index, deleteCount;
22092     JSXML *kid;
22093     JSXMLNameMatcher matcher;
22094     if (xml->xml_class == JSXML_CLASS_LIST) {
22095         array = &xml->u.list.kids;
22096         for (index = 0; index < array->length; index++) {
22097             kid = (((index) < (array)->length) ? (JSXML *) (array)->vector[index] : __null);
22098             if (kid && kid->xml_class == JSXML_CLASS_ELEMENT)
22099                 DeleteNamedProperty(cx, kid, nameqn, attributes);
22100         }
22101     } else if (xml->xml_class == JSXML_CLASS_ELEMENT) {
22102         if (attributes) {
22103             array = &xml->u.elem.attrs;
22104             matcher = MatchAttrName;
22105         } else {
22106             array = &xml->u.list.kids;
22107             matcher = MatchElemName;
22108         }
22109         deleteCount = 0;
22110         for (index = 0; index < array->length; index++) {
22111             kid = (((index) < (array)->length) ? (JSXML *) (array)->vector[index] : __null);
22112             if (kid && matcher(nameqn, kid)) {
22113                 kid->parent = __null;
22114                 XMLArrayDelete(cx, array, index, (JSIntn)0);
22115                 ++deleteCount;
22116             } else if (deleteCount != 0) {
22117                 do { if ((array)->length <= (index - deleteCount)) (array)->length = (index - deleteCount) + 1; ((array)->vector[index - deleteCount] = (void *)(array->vector[index])); } while (0)
22118                                                          ;
22119             }
22120         }
22121         array->length -= deleteCount;
22122     }
22123 }
22124 static void
22125 DeleteListElement(JSContext *cx, JSXML *xml, uint32 index)
22126 {
22127     JSXML *kid, *parent;
22128     uint32 kidIndex;
22129     ((void) 0);
22130     if (index < xml->u.list.kids.length) {
22131         kid = (((index) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[index] : __null);
22132         if (kid) {
22133             parent = kid->parent;
22134             if (parent) {
22135                 ((void) 0);
22136                 ((void) 0);
22137                 if (kid->xml_class == JSXML_CLASS_ATTRIBUTE) {
22138                     DeleteNamedProperty(cx, parent, kid->name, (JSIntn)1);
22139                 } else {
22140                     kidIndex = XMLArrayFindMember(&parent->u.list.kids, (void *)(kid), __null)
22141                                                          ;
22142                     ((void) 0);
22143                     DeleteByIndex(cx, parent, kidIndex);
22144                 }
22145             }
22146             XMLArrayDelete(cx, &xml->u.list.kids, index, (JSIntn)1);
22147         }
22148     }
22149 }
22150 static JSBool
22151 SyncInScopeNamespaces(JSContext *cx, JSXML *xml)
22152 {
22153     JSXMLArray *nsarray;
22154     uint32 i, n;
22155     JSObject *ns;
22156     nsarray = &xml->u.elem.namespaces;
22157     while ((xml = xml->parent) != __null) {
22158         for (i = 0, n = xml->u.elem.namespaces.length; i < n; i++) {
22159             ns = (((i) < (&xml->u.elem.namespaces)->length) ? (JSObject *) (&xml->u.elem.namespaces)->vector[i] : __null);
22160             if (ns && !(XMLArrayFindMember(nsarray, (void *)(ns), namespace_identity) != ((uint32) -1))) {
22161                 if (!XMLArrayAddMember(cx, nsarray, (nsarray)->length, (void *)((ns))))
22162                     return (JSIntn)0;
22163             }
22164         }
22165     }
22166     return (JSIntn)1;
22167 }
22168 static JSBool
22169 GetNamedProperty(JSContext *cx, JSXML *xml, JSObject* nameqn, JSXML *list)
22170 {
22171     JSXMLArray *array;
22172     JSXMLNameMatcher matcher;
22173     JSBool attrs;
22174     if (xml->xml_class == JSXML_CLASS_LIST) {
22175         JSXMLArrayCursor cursor(&xml->u.list.kids);
22176         while (JSXML *kid = (JSXML *) cursor.getNext()) {
22177             if (kid->xml_class == JSXML_CLASS_ELEMENT &&
22178                 !GetNamedProperty(cx, kid, nameqn, list)) {
22179                 return (JSIntn)0;
22180             }
22181         }
22182     } else if (xml->xml_class == JSXML_CLASS_ELEMENT) {
22183         attrs = (nameqn->getClass() == &js_AttributeNameClass);
22184         if (attrs) {
22185             array = &xml->u.elem.attrs;
22186             matcher = MatchAttrName;
22187         } else {
22188             array = &xml->u.list.kids;
22189             matcher = MatchElemName;
22190         }
22191         JSXMLArrayCursor cursor(array);
22192         while (JSXML *kid = (JSXML *) cursor.getNext()) {
22193             if (matcher(nameqn, kid)) {
22194                 if (!attrs &&
22195                     kid->xml_class == JSXML_CLASS_ELEMENT &&
22196                     !SyncInScopeNamespaces(cx, kid)) {
22197                     return (JSIntn)0;
22198                 }
22199                 if (!Append(cx, list, kid))
22200                     return (JSIntn)0;
22201             }
22202         }
22203     }
22204     return (JSIntn)1;
22205 }
22206 static JSBool
22207 GetProperty(JSContext *cx, JSObject *obj, jsid id, jsval *vp)
22208 {
22209     JSXML *xml, *list, *kid;
22210     uint32 index;
22211     JSObject *kidobj, *listobj;
22212     JSObject *nameqn;
22213     jsid funid;
22214     xml = (JSXML *) GetInstancePrivate(cx, obj, &js_XMLClass, __null);
22215     if (!xml)
22216         return true;
22217     if (js_IdIsIndex(id, &index)) {
22218         if (!(((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE)) {
22219             *vp = (index == 0) ? OBJECT_TO_JSVAL(obj) : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
22220         } else {
22221             if (index < xml->u.list.kids.length) {
22222                 kid = (((index) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[index] : __null);
22223                 if (!kid) {
22224                     *vp = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
22225                     return true;
22226                 }
22227                 kidobj = js_GetXMLObject(cx, kid);
22228                 if (!kidobj)
22229                     return false;
22230                 *vp = OBJECT_TO_JSVAL(kidobj);
22231             } else {
22232                 *vp = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
22233             }
22234         }
22235         return true;
22236     }
22237     nameqn = ToXMLName(cx, IdToJsval(id), &funid);
22238     if (!nameqn)
22239         return false;
22240     if (!JSID_IS_VOID(funid))
22241         return GetXMLFunction(cx, obj, funid, vp);
22242     jsval roots[2] = { OBJECT_TO_JSVAL(nameqn), ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0)) };
22243     AutoArrayRooter tvr(cx, (sizeof (roots) / sizeof (roots)[0]), Valueify(roots));
22244     listobj = js_NewXMLObject(cx, JSXML_CLASS_LIST);
22245     if (!listobj)
22246         return false;
22247     roots[1] = OBJECT_TO_JSVAL(listobj);
22248     list = (JSXML *) listobj->getPrivate();
22249     if (!GetNamedProperty(cx, xml, nameqn, list))
22250         return false;
22251     list->u.list.target = xml;
22252     list->u.list.targetprop = nameqn;
22253     *vp = OBJECT_TO_JSVAL(listobj);
22254     return true;
22255 }
22256 static JSXML *
22257 CopyOnWrite(JSContext *cx, JSXML *xml, JSObject *obj)
22258 {
22259     ((void) 0);
22260     xml = DeepCopy(cx, xml, obj, 0);
22261     if (!xml)
22262         return __null;
22263     ((void) 0);
22264     return xml;
22265 }
22266 static JSString *
22267 KidToString(JSContext *cx, JSXML *xml, uint32 index)
22268 {
22269     JSXML *kid;
22270     JSObject *kidobj;
22271     kid = (((index) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[index] : __null);
22272     if (!kid)
22273         return cx->runtime->emptyString;
22274     kidobj = js_GetXMLObject(cx, kid);
22275     if (!kidobj)
22276         return __null;
22277     return js_ValueToString(cx, ObjectValue(*kidobj));
22278 }
22279 static JSBool
22280 ResolveValue(JSContext *cx, JSXML *list, JSXML **result);
22281 static JSBool
22282 PutProperty(JSContext *cx, JSObject *obj, jsid id, JSBool strict, jsval *vp)
22283 {
22284     JSBool ok, primitiveAssign;
22285     enum { OBJ_ROOT, ID_ROOT, VAL_ROOT };
22286     JSXML *xml, *vxml, *rxml, *kid, *attr, *parent, *copy, *kid2, *match;
22287     JSObject *vobj, *nameobj, *attrobj, *parentobj, *kidobj, *copyobj;
22288     JSObject *targetprop, *nameqn, *attrqn;
22289     uint32 index, i, j, k, n, q, matchIndex;
22290     jsval attrval, nsval;
22291     jsid funid;
22292     JSObject *ns;
22293     xml = (JSXML *) GetInstancePrivate(cx, obj, &js_XMLClass, __null);
22294     if (!xml)
22295         return (JSIntn)1;
22296     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
22297     if (!xml)
22298         return (JSIntn)0;
22299     vxml = __null;
22300     if (!JSVAL_IS_PRIMITIVE(*vp)) {
22301         vobj = JSVAL_TO_OBJECT(*vp);
22302         if (vobj->isXML())
22303             vxml = (JSXML *) vobj->getPrivate();
22304     }
22305     ok = js_EnterLocalRootScope(cx);
22306     if (!ok)
22307         return (JSIntn)0;
22308     ((void) 0);
22309     jsval roots[3];
22310     roots[OBJ_ROOT] = OBJECT_TO_JSVAL(obj);
22311     roots[ID_ROOT] = IdToJsval(id);
22312     roots[VAL_ROOT] = *vp;
22313     AutoArrayRooter tvr(cx, (sizeof (roots) / sizeof (roots)[0]), Valueify(roots));
22314     if (js_IdIsIndex(id, &index)) {
22315         if (xml->xml_class != JSXML_CLASS_LIST) {
22316             ReportBadXMLName(cx, IdToValue(id));
22317             goto bad;
22318         }
22319         i = index;
22320         if (xml->u.list.target) {
22321             ok = ResolveValue(cx, xml->u.list.target, &rxml);
22322             if (!ok)
22323                 goto out;
22324             if (!rxml)
22325                 goto out;
22326             ((void) 0);
22327         } else {
22328             rxml = __null;
22329         }
22330         if (index >= xml->u.list.kids.length) {
22331             if (rxml) {
22332                 if (rxml->xml_class == JSXML_CLASS_LIST) {
22333                     if (rxml->u.list.kids.length != 1)
22334                         goto out;
22335                     rxml = (((0) < (&rxml->u.list.kids)->length) ? (JSXML *) (&rxml->u.list.kids)->vector[0] : __null);
22336                     if (!rxml)
22337                         goto out;
22338                     ok = js_GetXMLObject(cx, rxml) != __null;
22339                     if (!ok)
22340                         goto out;
22341                 }
22342                 if (!(((rxml)->xml_class) < JSXML_CLASS_ATTRIBUTE))
22343                     goto out;
22344             }
22345             targetprop = xml->u.list.targetprop;
22346             if (!targetprop || ((targetprop->getQNameLocalName())->length() == 1 && *(targetprop->getQNameLocalName())->chars() == '*')) {
22347                 kid = js_NewXML(cx, JSXML_CLASS_TEXT);
22348                 if (!kid)
22349                     goto bad;
22350             } else {
22351                 nameobj = targetprop;
22352                 if (nameobj->getClass() == &js_AttributeNameClass) {
22353                     ok = GetProperty(cx, rxml->object, id, &attrval);
22354                     if (!ok)
22355                         goto out;
22356                     if (JSVAL_IS_PRIMITIVE(attrval))
22357                         goto out;
22358                     attrobj = JSVAL_TO_OBJECT(attrval);
22359                     attr = (JSXML *) attrobj->getPrivate();
22360                     if (((((attr)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (attr)->u.list.kids.length : 0) != 0)
22361                         goto out;
22362                     kid = js_NewXML(cx, JSXML_CLASS_ATTRIBUTE);
22363                 } else {
22364                     kid = js_NewXML(cx, JSXML_CLASS_ELEMENT);
22365                 }
22366                 if (!kid)
22367                     goto bad;
22368                 kid->name = targetprop;
22369             }
22370             kid->parent = rxml;
22371             i = xml->u.list.kids.length;
22372             if (kid->xml_class != JSXML_CLASS_ATTRIBUTE) {
22373                 if (rxml) {
22374                     ((void) 0);
22375                     n = rxml->u.list.kids.length;
22376                     j = n - 1;
22377                     if (n != 0 && i != 0) {
22378                         for (n = j, j = 0; j < n; j++) {
22379                             if (rxml->u.list.kids.vector[j] ==
22380                                 xml->u.list.kids.vector[i-1]) {
22381                                 break;
22382                             }
22383                         }
22384                     }
22385                     kidobj = js_GetXMLObject(cx, kid);
22386                     if (!kidobj)
22387                         goto bad;
22388                     ok = Insert(cx, rxml, j + 1, OBJECT_TO_JSVAL(kidobj));
22389                     if (!ok)
22390                         goto out;
22391                 }
22392                 if (vxml) {
22393                     kid->name = (vxml->xml_class == JSXML_CLASS_LIST)
22394                         ? vxml->u.list.targetprop
22395                         : vxml->name;
22396                 }
22397             }
22398             ok = Append(cx, xml, kid);
22399             if (!ok)
22400                 goto out;
22401         }
22402         if (!vxml ||
22403             vxml->xml_class == JSXML_CLASS_TEXT ||
22404             vxml->xml_class == JSXML_CLASS_ATTRIBUTE) {
22405             ok = JS_ConvertValue(cx, *vp, JSTYPE_STRING, vp);
22406             if (!ok)
22407                 goto out;
22408             roots[VAL_ROOT] = *vp;
22409         }
22410         kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
22411         if (!kid)
22412             goto out;
22413         parent = kid->parent;
22414         if (kid->xml_class == JSXML_CLASS_ATTRIBUTE) {
22415             nameobj = kid->name;
22416             if (nameobj->getClass() != &js_AttributeNameClass) {
22417                 nameobj = NewXMLAttributeName(cx, nameobj->getNameURI(), nameobj->getNamePrefix(),
22418                                               nameobj->getQNameLocalName());
22419                 if (!nameobj)
22420                     goto bad;
22421             }
22422             id = OBJECT_TO_JSID(nameobj);
22423             if (parent) {
22424                 parentobj = js_GetXMLObject(cx, parent);
22425                 if (!parentobj)
22426                     goto bad;
22427                 ok = PutProperty(cx, parentobj, id, strict, vp);
22428                 if (!ok)
22429                     goto out;
22430                 ok = GetProperty(cx, parentobj, id, vp);
22431                 if (!ok)
22432                     goto out;
22433                 attr = (JSXML *) JSVAL_TO_OBJECT(*vp)->getPrivate();
22434                 if (attr->u.list.kids.length != 0)
22435                     xml->u.list.kids.vector[i] = attr->u.list.kids.vector[0];
22436             }
22437         }
22438         else if (vxml && vxml->xml_class == JSXML_CLASS_LIST) {
22439             copy = DeepCopyInLRS(cx, vxml, 0);
22440             if (!copy)
22441                 goto bad;
22442             copyobj = js_GetXMLObject(cx, copy);
22443             if (!copyobj)
22444                 goto bad;
22445             ((void) 0);
22446             if (parent) {
22447                 q = XMLArrayFindMember(&parent->u.list.kids, (void *)(kid), __null);
22448                 ((void) 0);
22449                 ok = Replace(cx, parent, q, OBJECT_TO_JSVAL(copyobj));
22450                 if (!ok)
22451                     goto out;
22452             }
22453             n = copy->u.list.kids.length;
22454             if (n == 0) {
22455                 XMLArrayDelete(cx, &xml->u.list.kids, i, (JSIntn)1);
22456             } else {
22457                 ok = XMLArrayInsert(cx, &xml->u.list.kids, i + 1, n - 1);
22458                 if (!ok)
22459                     goto out;
22460                 for (j = 0; j < n; j++)
22461                     xml->u.list.kids.vector[i + j] = copy->u.list.kids.vector[j];
22462             }
22463         }
22464         else if (vxml || (((kid)->xml_class) >= JSXML_CLASS_ATTRIBUTE)) {
22465             if (parent) {
22466                 q = XMLArrayFindMember(&parent->u.list.kids, (void *)(kid), __null);
22467                 ((void) 0);
22468                 ok = Replace(cx, parent, q, *vp);
22469                 if (!ok)
22470                     goto out;
22471                 vxml = (((q) < (&parent->u.list.kids)->length) ? (JSXML *) (&parent->u.list.kids)->vector[q] : __null);
22472                 if (!vxml)
22473                     goto out;
22474                 roots[VAL_ROOT] = *vp = OBJECT_TO_JSVAL(vxml->object);
22475             }
22476             if (!vxml) {
22477                 ((void) 0);
22478                 vobj = ToXML(cx, *vp);
22479                 if (!vobj)
22480                     goto bad;
22481                 roots[VAL_ROOT] = *vp = OBJECT_TO_JSVAL(vobj);
22482                 vxml = (JSXML *) vobj->getPrivate();
22483             }
22484             do { if ((&xml->u.list.kids)->length <= (i)) (&xml->u.list.kids)->length = (i) + 1; ((&xml->u.list.kids)->vector[i] = (void *)(vxml)); } while (0);
22485         }
22486         else {
22487             kidobj = js_GetXMLObject(cx, kid);
22488             if (!kidobj)
22489                 goto bad;
22490             id = ATOM_TO_JSID(cx->runtime->atomState.starAtom);
22491             ok = PutProperty(cx, kidobj, id, strict, vp);
22492             if (!ok)
22493                 goto out;
22494         }
22495     } else {
22496         nameqn = ToXMLName(cx, IdToJsval(id), &funid);
22497         if (!nameqn)
22498             goto bad;
22499         if (!JSID_IS_VOID(funid)) {
22500             ok = js_SetProperty(cx, obj, funid, Valueify(vp), false);
22501             goto out;
22502         }
22503         nameobj = nameqn;
22504         roots[ID_ROOT] = OBJECT_TO_JSVAL(nameobj);
22505         if (xml->xml_class == JSXML_CLASS_LIST) {
22506             n = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0);
22507             if (n > 1)
22508                 goto type_error;
22509             if (n == 0) {
22510                 ok = ResolveValue(cx, xml, &rxml);
22511                 if (!ok)
22512                     goto out;
22513                 if (!rxml || ((((rxml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (rxml)->u.list.kids.length : 0) != 1)
22514                     goto type_error;
22515                 ok = Append(cx, xml, rxml);
22516                 if (!ok)
22517                     goto out;
22518             }
22519             ((void) 0);
22520             xml = (((0) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[0] : __null);
22521             if (!xml)
22522                 goto out;
22523             ((void) 0);
22524             obj = js_GetXMLObject(cx, xml);
22525             if (!obj)
22526                 goto bad;
22527             roots[OBJ_ROOT] = OBJECT_TO_JSVAL(obj);
22528         }
22529         if ((((xml)->xml_class) >= JSXML_CLASS_ATTRIBUTE))
22530             goto out;
22531         if (!vxml ||
22532             vxml->xml_class == JSXML_CLASS_TEXT ||
22533             vxml->xml_class == JSXML_CLASS_ATTRIBUTE) {
22534             ok = JS_ConvertValue(cx, *vp, JSTYPE_STRING, vp);
22535             if (!ok)
22536                 goto out;
22537         } else {
22538             rxml = DeepCopyInLRS(cx, vxml, 0);
22539             if (!rxml || !js_GetXMLObject(cx, rxml))
22540                 goto bad;
22541             vxml = rxml;
22542             *vp = OBJECT_TO_JSVAL(vxml->object);
22543         }
22544         roots[VAL_ROOT] = *vp;
22545         ok = js_GetDefaultXMLNamespace(cx, &nsval);
22546         if (!ok)
22547             goto out;
22548         if (nameobj->getClass() == &js_AttributeNameClass) {
22549             if (!js_IsXMLName(cx, OBJECT_TO_JSVAL(nameobj)))
22550                 goto out;
22551             if (vxml && vxml->xml_class == JSXML_CLASS_LIST) {
22552                 n = vxml->u.list.kids.length;
22553                 if (n == 0) {
22554                     *vp = STRING_TO_JSVAL(cx->runtime->emptyString);
22555                 } else {
22556                     JSString *left = KidToString(cx, vxml, 0);
22557                     if (!left)
22558                         goto bad;
22559                     JSString *space = cx->runtime->atomState.spaceAtom;
22560                     for (i = 1; i < n; i++) {
22561                         left = js_ConcatStrings(cx, left, space);
22562                         if (!left)
22563                             goto bad;
22564                         JSString *right = KidToString(cx, vxml, i);
22565                         if (!right)
22566                             goto bad;
22567                         left = js_ConcatStrings(cx, left, right);
22568                         if (!left)
22569                             goto bad;
22570                     }
22571                     roots[VAL_ROOT] = *vp = STRING_TO_JSVAL(left);
22572                 }
22573             } else {
22574                 ok = JS_ConvertValue(cx, *vp, JSTYPE_STRING, vp);
22575                 if (!ok)
22576                     goto out;
22577                 roots[VAL_ROOT] = *vp;
22578             }
22579             match = __null;
22580             for (i = 0, n = xml->u.elem.attrs.length; i < n; i++) {
22581                 attr = (((i) < (&xml->u.elem.attrs)->length) ? (JSXML *) (&xml->u.elem.attrs)->vector[i] : __null);
22582                 if (!attr)
22583                     continue;
22584                 attrqn = attr->name;
22585                 if (EqualStrings(attrqn->getQNameLocalName(), nameqn->getQNameLocalName())) {
22586                     JSLinearString *uri = nameqn->getNameURI();
22587                     if (!uri || EqualStrings(attrqn->getNameURI(), uri)) {
22588                         if (!match) {
22589                             match = attr;
22590                         } else {
22591                             DeleteNamedProperty(cx, xml, attrqn, (JSIntn)1);
22592                             --i;
22593                         }
22594                     }
22595                 }
22596             }
22597             attr = match;
22598             if (!attr) {
22599                 JSLinearString *uri = nameqn->getNameURI();
22600                 JSLinearString *left, *right;
22601                 if (!uri) {
22602                     left = right = cx->runtime->emptyString;
22603                 } else {
22604                     left = uri;
22605                     right = nameqn->getNamePrefix();
22606                 }
22607                 nameqn = NewXMLQName(cx, left, right, nameqn->getQNameLocalName());
22608                 if (!nameqn)
22609                     goto bad;
22610                 attr = js_NewXML(cx, JSXML_CLASS_ATTRIBUTE);
22611                 if (!attr)
22612                     goto bad;
22613                 attr->parent = xml;
22614                 attr->name = nameqn;
22615                 ok = XMLArrayAddMember(cx, &xml->u.elem.attrs, n, (void *)(attr));
22616                 if (!ok)
22617                     goto out;
22618                 ns = GetNamespace(cx, nameqn, __null);
22619                 if (!ns)
22620                     goto bad;
22621                 ok = AddInScopeNamespace(cx, xml, ns);
22622                 if (!ok)
22623                     goto out;
22624             }
22625             attr->u.value = JSVAL_TO_STRING(*vp);
22626             goto out;
22627         }
22628         if (!js_IsXMLName(cx, OBJECT_TO_JSVAL(nameobj)) &&
22629             !((nameqn->getQNameLocalName())->length() == 1 && *(nameqn->getQNameLocalName())->chars() == '*')) {
22630             goto out;
22631         }
22632         id = ((jsid)0x2);
22633         primitiveAssign = !vxml && !((nameqn->getQNameLocalName())->length() == 1 && *(nameqn->getQNameLocalName())->chars() == '*');
22634         k = n = xml->u.list.kids.length;
22635         matchIndex = ((uint32) -1);
22636         kid2 = __null;
22637         while (k != 0) {
22638             --k;
22639             kid = (((k) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[k] : __null);
22640             if (kid && MatchElemName(nameqn, kid)) {
22641                 if (matchIndex != ((uint32) -1))
22642                     DeleteByIndex(cx, xml, matchIndex);
22643                 matchIndex = k;
22644                 kid2 = kid;
22645             }
22646         }
22647         if (kid2) {
22648             ((void) 0);
22649             if (!kid2->parent)
22650                 kid2->parent = xml;
22651         }
22652         if (matchIndex == ((uint32) -1)) {
22653             matchIndex = n;
22654             if (primitiveAssign) {
22655                 JSLinearString *uri = nameqn->getNameURI();
22656                 JSLinearString *left, *right;
22657                 if (!uri) {
22658                     ns = JSVAL_TO_OBJECT(nsval);
22659                     left = ns->getNameURI();
22660                     right = ns->getNamePrefix();
22661                 } else {
22662                     left = uri;
22663                     right = nameqn->getNamePrefix();
22664                 }
22665                 nameqn = NewXMLQName(cx, left, right, nameqn->getQNameLocalName());
22666                 if (!nameqn)
22667                     goto bad;
22668                 vobj = js_NewXMLObject(cx, JSXML_CLASS_ELEMENT);
22669                 if (!vobj)
22670                     goto bad;
22671                 vxml = (JSXML *) vobj->getPrivate();
22672                 vxml->parent = xml;
22673                 vxml->name = nameqn;
22674                 ns = GetNamespace(cx, nameqn, __null);
22675                 if (!ns)
22676                     goto bad;
22677                 ok = Replace(cx, xml, matchIndex, OBJECT_TO_JSVAL(vobj));
22678                 if (!ok)
22679                     goto out;
22680                 ok = AddInScopeNamespace(cx, vxml, ns);
22681                 if (!ok)
22682                     goto out;
22683             }
22684         }
22685         if (primitiveAssign) {
22686             JSXMLArrayCursor cursor(&xml->u.list.kids);
22687             cursor.index = matchIndex;
22688             kid = (JSXML *) cursor.getCurrent();
22689             if ((((kid)->xml_class) < JSXML_CLASS_ATTRIBUTE)) {
22690                 kid->u.list.kids.finish(cx);
22691                 kid->u.list.kids.init();
22692                 ok = kid->u.list.kids.setCapacity(cx, 1);
22693             }
22694             if (ok) {
22695                 ok = JS_ConvertValue(cx, *vp, JSTYPE_STRING, vp);
22696                 if (ok && !JSVAL_TO_STRING(*vp)->empty()) {
22697                     roots[VAL_ROOT] = *vp;
22698                     if ((JSXML *) cursor.getCurrent() == kid)
22699                         ok = Replace(cx, kid, 0, *vp);
22700                 }
22701             }
22702         } else {
22703             ok = Replace(cx, xml, matchIndex, *vp);
22704         }
22705     }
22706 out:
22707     js_LeaveLocalRootScope(cx);
22708     return ok;
22709 type_error:
22710     {
22711         JSAutoByteString bytes;
22712         if (js_ValueToPrintable(cx, IdToValue(id), &bytes))
22713             JS_ReportErrorNumber(cx, js_GetErrorMessage, __null, JSMSG_BAD_XMLLIST_PUT, bytes.ptr());
22714     }
22715 bad:
22716     ok = (JSIntn)0;
22717     goto out;
22718 }
22719 static JSBool
22720 ResolveValue(JSContext *cx, JSXML *list, JSXML **result)
22721 {
22722     JSXML *target, *base;
22723     JSObject *targetprop;
22724     jsid id;
22725     jsval tv;
22726     if (list->xml_class != JSXML_CLASS_LIST || list->u.list.kids.length != 0) {
22727         if (!js_GetXMLObject(cx, list))
22728             return (JSIntn)0;
22729         *result = list;
22730         return (JSIntn)1;
22731     }
22732     target = list->u.list.target;
22733     targetprop = list->u.list.targetprop;
22734     if (!target || !targetprop || ((targetprop->getQNameLocalName())->length() == 1 && *(targetprop->getQNameLocalName())->chars() == '*')) {
22735         *result = __null;
22736         return (JSIntn)1;
22737     }
22738     if (targetprop->getClass() == &js_AttributeNameClass) {
22739         *result = __null;
22740         return (JSIntn)1;
22741     }
22742     if (!ResolveValue(cx, target, &base))
22743         return (JSIntn)0;
22744     if (!base) {
22745         *result = __null;
22746         return (JSIntn)1;
22747     }
22748     if (!js_GetXMLObject(cx, base))
22749         return (JSIntn)0;
22750     id = OBJECT_TO_JSID(targetprop);
22751     if (!GetProperty(cx, base->object, id, &tv))
22752         return (JSIntn)0;
22753     target = (JSXML *) JSVAL_TO_OBJECT(tv)->getPrivate();
22754     if (((((target)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (target)->u.list.kids.length : 0) == 0) {
22755         if (base->xml_class == JSXML_CLASS_LIST && ((((base)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (base)->u.list.kids.length : 0) > 1) {
22756             *result = __null;
22757             return (JSIntn)1;
22758         }
22759         tv = STRING_TO_JSVAL(cx->runtime->emptyString);
22760         if (!PutProperty(cx, base->object, id, false, &tv))
22761             return (JSIntn)0;
22762         if (!GetProperty(cx, base->object, id, &tv))
22763             return (JSIntn)0;
22764         target = (JSXML *) JSVAL_TO_OBJECT(tv)->getPrivate();
22765     }
22766     *result = target;
22767     return (JSIntn)1;
22768 }
22769 static JSBool
22770 HasNamedProperty(JSXML *xml, JSObject *nameqn)
22771 {
22772     JSBool found;
22773     JSXMLArray *array;
22774     JSXMLNameMatcher matcher;
22775     uint32 i, n;
22776     if (xml->xml_class == JSXML_CLASS_LIST) {
22777         found = (JSIntn)0;
22778         JSXMLArrayCursor cursor(&xml->u.list.kids);
22779         while (JSXML *kid = (JSXML *) cursor.getNext()) {
22780             found = HasNamedProperty(kid, nameqn);
22781             if (found)
22782                 break;
22783         }
22784         return found;
22785     }
22786     if (xml->xml_class == JSXML_CLASS_ELEMENT) {
22787         if (nameqn->getClass() == &js_AttributeNameClass) {
22788             array = &xml->u.elem.attrs;
22789             matcher = MatchAttrName;
22790         } else {
22791             array = &xml->u.list.kids;
22792             matcher = MatchElemName;
22793         }
22794         for (i = 0, n = array->length; i < n; i++) {
22795             JSXML *kid = (((i) < (array)->length) ? (JSXML *) (array)->vector[i] : __null);
22796             if (kid && matcher(nameqn, kid))
22797                 return (JSIntn)1;
22798         }
22799     }
22800     return (JSIntn)0;
22801 }
22802 static JSBool
22803 HasIndexedProperty(JSXML *xml, uint32 i)
22804 {
22805     if (xml->xml_class == JSXML_CLASS_LIST)
22806         return i < ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0);
22807     if (xml->xml_class == JSXML_CLASS_ELEMENT)
22808         return i == 0;
22809     return (JSIntn)0;
22810 }
22811 static JSBool
22812 HasSimpleContent(JSXML *xml);
22813 static JSBool
22814 HasFunctionProperty(JSContext *cx, JSObject *obj, jsid funid, JSBool *found)
22815 {
22816     JSObject *pobj;
22817     JSProperty *prop;
22818     JSXML *xml;
22819     ((void) 0);
22820     if (!js_LookupProperty(cx, obj, funid, &pobj, &prop))
22821         return false;
22822     if (!prop) {
22823         xml = (JSXML *) obj->getPrivate();
22824         if (HasSimpleContent(xml)) {
22825             AutoObjectRooter tvr(cx);
22826             if (!js_GetClassPrototype(cx, __null, JSProto_String, tvr.addr()))
22827                 return false;
22828             ((void) 0);
22829             if (!js_LookupProperty(cx, tvr.object(), funid, &pobj, &prop))
22830                 return false;
22831         }
22832     }
22833     *found = (prop != __null);
22834     return true;
22835 }
22836 static JSBool
22837 HasProperty(JSContext *cx, JSObject *obj, jsval id, JSBool *found)
22838 {
22839     JSXML *xml;
22840     bool isIndex;
22841     uint32 i;
22842     JSObject *qn;
22843     jsid funid;
22844     xml = (JSXML *) obj->getPrivate();
22845     if (!js_IdValIsIndex(cx, id, &i, &isIndex))
22846         return (JSIntn)0;
22847     if (isIndex) {
22848         *found = HasIndexedProperty(xml, i);
22849     } else {
22850         qn = ToXMLName(cx, id, &funid);
22851         if (!qn)
22852             return (JSIntn)0;
22853         if (!JSID_IS_VOID(funid)) {
22854             if (!HasFunctionProperty(cx, obj, funid, found))
22855                 return (JSIntn)0;
22856         } else {
22857             *found = HasNamedProperty(xml, qn);
22858         }
22859     }
22860     return (JSIntn)1;
22861 }
22862 static void
22863 xml_finalize(JSContext *cx, JSObject *obj)
22864 {
22865     JSXML *xml = (JSXML *) obj->getPrivate();
22866     if (!xml)
22867         return;
22868     if (xml->object == obj)
22869         xml->object = __null;
22870 }
22871 static void
22872 xml_trace_vector(JSTracer *trc, JSXML **vec, uint32 len)
22873 {
22874     uint32 i;
22875     JSXML *xml;
22876     for (i = 0; i < len; i++) {
22877         xml = vec[i];
22878         if (xml) {
22879             do { } while (0);
22880             Mark(trc, xml);
22881         }
22882     }
22883 }
22884 static JSBool
22885 xml_lookupProperty(JSContext *cx, JSObject *obj, jsid id, JSObject **objp,
22886                    JSProperty **propp)
22887 {
22888     JSBool found;
22889     JSXML *xml;
22890     uint32 i;
22891     JSObject *qn;
22892     jsid funid;
22893     xml = (JSXML *) obj->getPrivate();
22894     if (js_IdIsIndex(id, &i)) {
22895         found = HasIndexedProperty(xml, i);
22896     } else {
22897         qn = ToXMLName(cx, IdToJsval(id), &funid);
22898         if (!qn)
22899             return (JSIntn)0;
22900         if (!JSID_IS_VOID(funid))
22901             return js_LookupProperty(cx, obj, funid, objp, propp);
22902         found = HasNamedProperty(xml, qn);
22903     }
22904     if (!found) {
22905         *objp = __null;
22906         *propp = __null;
22907     } else {
22908         const Shape *shape =
22909             js_AddNativeProperty(cx, obj, id,
22910                                  Valueify(GetProperty), Valueify(PutProperty),
22911                                  0xffffffff, 0x01,
22912                                  0, 0);
22913         if (!shape)
22914             return (JSIntn)0;
22915         *objp = obj;
22916         *propp = (JSProperty *) shape;
22917     }
22918     return (JSIntn)1;
22919 }
22920 static JSBool
22921 xml_defineProperty(JSContext *cx, JSObject *obj, jsid id, const Value *v,
22922                    PropertyOp getter, StrictPropertyOp setter, uintN attrs)
22923 {
22924     if (IsFunctionObject(*v) || getter || setter ||
22925         (attrs & 0x01) == 0 ||
22926         (attrs & (0x02 | 0x04 | 0x40))) {
22927         return js_DefineProperty(cx, obj, id, v, getter, setter, attrs);
22928     }
22929     jsval tmp = Jsvalify(*v);
22930     return PutProperty(cx, obj, id, false, &tmp);
22931 }
22932 static JSBool
22933 xml_getProperty(JSContext *cx, JSObject *obj, JSObject *receiver, jsid id, Value *vp)
22934 {
22935     if (JSID_IS_DEFAULT_XML_NAMESPACE(id)) {
22936         vp->setUndefined();
22937         return (JSIntn)1;
22938     }
22939     return GetProperty(cx, obj, id, Jsvalify(vp));
22940 }
22941 static JSBool
22942 xml_setProperty(JSContext *cx, JSObject *obj, jsid id, Value *vp, JSBool strict)
22943 {
22944     return PutProperty(cx, obj, id, strict, Jsvalify(vp));
22945 }
22946 static JSBool
22947 xml_getAttributes(JSContext *cx, JSObject *obj, jsid id, uintN *attrsp)
22948 {
22949     JSBool found;
22950     if (!HasProperty(cx, obj, IdToJsval(id), &found))
22951         return false;
22952     *attrsp = found ? 0x01 : 0;
22953     return (JSIntn)1;
22954 }
22955 static JSBool
22956 xml_setAttributes(JSContext *cx, JSObject *obj, jsid id, uintN *attrsp)
22957 {
22958     JSBool found;
22959     if (!HasProperty(cx, obj, IdToJsval(id), &found))
22960         return false;
22961     if (found) {
22962         JS_ReportErrorNumber(cx, js_GetErrorMessage, __null,
22963                              JSMSG_CANT_SET_XML_ATTRS);
22964         return false;
22965     }
22966     return true;
22967 }
22968 static JSBool
22969 xml_deleteProperty(JSContext *cx, JSObject *obj, jsid id, Value *rval, JSBool strict)
22970 {
22971     JSXML *xml;
22972     jsval idval;
22973     uint32 index;
22974     JSObject *nameqn;
22975     jsid funid;
22976     idval = IdToJsval(id);
22977     xml = (JSXML *) obj->getPrivate();
22978     if (js_IdIsIndex(id, &index)) {
22979         if (xml->xml_class != JSXML_CLASS_LIST) {
22980             ReportBadXMLName(cx, IdToValue(id));
22981             return false;
22982         }
22983         DeleteListElement(cx, xml, index);
22984     } else {
22985         nameqn = ToXMLName(cx, idval, &funid);
22986         if (!nameqn)
22987             return false;
22988         if (!JSID_IS_VOID(funid))
22989             return js_DeleteProperty(cx, obj, funid, rval, false);
22990         DeleteNamedProperty(cx, xml, nameqn,
22991                             nameqn->getClass() == &js_AttributeNameClass);
22992     }
22993     if (!obj->nativeEmpty() && !js_DeleteProperty(cx, obj, id, rval, false))
22994         return false;
22995     rval->setBoolean(true);
22996     return true;
22997 }
22998 JSBool
22999 xml_convert(JSContext *cx, JSObject *obj, JSType type, Value *rval)
23000 {
23001     return js_TryMethod(cx, obj, cx->runtime->atomState.toStringAtom, 0, __null, rval);
23002 }
23003 static JSBool
23004 xml_enumerate(JSContext *cx, JSObject *obj, JSIterateOp enum_op, Value *statep, jsid *idp)
23005 {
23006     JSXML *xml;
23007     uint32 length, index;
23008     JSXMLArrayCursor *cursor;
23009     xml = (JSXML *)obj->getPrivate();
23010     length = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0);
23011     switch (enum_op) {
23012       case JSENUMERATE_INIT:
23013       case JSENUMERATE_INIT_ALL:
23014         if (length == 0) {
23015             statep->setInt32(0);
23016         } else {
23017             cursor = cx->create<JSXMLArrayCursor>(&xml->u.list.kids);
23018             if (!cursor)
23019                 return (JSIntn)0;
23020             statep->setPrivate(cursor);
23021         }
23022         if (idp)
23023             *idp = INT_TO_JSID(length);
23024         break;
23025       case JSENUMERATE_NEXT:
23026         if (statep->isInt32(0)) {
23027             statep->setNull();
23028             break;
23029         }
23030         cursor = (JSXMLArrayCursor *) statep->toPrivate();
23031         if (cursor && cursor->array && (index = cursor->index) < length) {
23032             *idp = INT_TO_JSID(index);
23033             cursor->index = index + 1;
23034             break;
23035         }
23036       case JSENUMERATE_DESTROY:
23037         if (!statep->isInt32(0)) {
23038             cursor = (JSXMLArrayCursor *) statep->toPrivate();
23039             if (cursor)
23040                 cx->destroy(cursor);
23041         }
23042         statep->setNull();
23043         break;
23044     }
23045     return (JSIntn)1;
23046 }
23047 static JSType
23048 xml_typeOf(JSContext *cx, JSObject *obj)
23049 {
23050     return JSTYPE_XML;
23051 }
23052 static JSBool
23053 xml_hasInstance(JSContext *cx, JSObject *obj, const Value *, JSBool *bp)
23054 {
23055     return (JSIntn)1;
23056 }
23057 static void
23058 xml_trace(JSTracer *trc, JSObject *obj)
23059 {
23060     JSXML *xml = (JSXML *) obj->getPrivate();
23061     if (xml)
23062         do { do { } while (0); JS_CallTracer((trc), (xml), (2)); } while (0);
23063 }
23064 static JSBool
23065 xml_fix(JSContext *cx, JSObject *obj, bool *success, AutoIdVector *props)
23066 {
23067     ((void) 0);
23068     *success = false;
23069     return true;
23070 }
23071 static void
23072 xml_clear(JSContext *cx, JSObject *obj)
23073 {
23074 }
23075 static JSBool
23076 HasSimpleContent(JSXML *xml)
23077 {
23078     JSXML *kid;
23079     JSBool simple;
23080     uint32 i, n;
23081 again:
23082     switch (xml->xml_class) {
23083       case JSXML_CLASS_COMMENT:
23084       case JSXML_CLASS_PROCESSING_INSTRUCTION:
23085         return (JSIntn)0;
23086       case JSXML_CLASS_LIST:
23087         if (xml->u.list.kids.length == 0)
23088             return (JSIntn)1;
23089         if (xml->u.list.kids.length == 1) {
23090             kid = (((0) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[0] : __null);
23091             if (kid) {
23092                 xml = kid;
23093                 goto again;
23094             }
23095         }
23096       default:
23097         simple = (JSIntn)1;
23098         for (i = 0, n = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0); i < n; i++) {
23099             kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
23100             if (kid && kid->xml_class == JSXML_CLASS_ELEMENT) {
23101                 simple = (JSIntn)0;
23102                 break;
23103             }
23104         }
23105         return simple;
23106     }
23107 }
23108 JSBool
23109 js_GetXMLMethod(JSContext *cx, JSObject *obj, jsid id, Value *vp)
23110 {
23111     ((void) 0);
23112     if (JSID_IS_OBJECT(id)) {
23113         jsid funid;
23114         if (!js_IsFunctionQName(cx, JSID_TO_OBJECT(id), &funid))
23115             return (JSIntn)0;
23116         if (!JSID_IS_VOID(funid))
23117             id = funid;
23118     }
23119     AutoValueRooter tvr(cx);
23120     JSBool ok = GetXMLFunction(cx, obj, id, Jsvalify(tvr.addr()));
23121     *vp = tvr.value();
23122     return ok;
23123 }
23124 JSBool
23125 js_TestXMLEquality(JSContext *cx, const Value &v1, const Value &v2, JSBool *bp)
23126 {
23127     JSXML *xml, *vxml;
23128     JSObject *vobj;
23129     JSBool ok;
23130     JSString *str, *vstr;
23131     jsdouble d, d2;
23132     JSObject *obj;
23133     jsval v;
23134     if (v1.isObject() && v1.toObject().isXML()) {
23135         obj = &v1.toObject();
23136         v = Jsvalify(v2);
23137     } else {
23138         v = Jsvalify(v1);
23139         obj = &v2.toObject();
23140     }
23141     ((void) 0);
23142     xml = (JSXML *) obj->getPrivate();
23143     vxml = __null;
23144     if (!JSVAL_IS_PRIMITIVE(v)) {
23145         vobj = JSVAL_TO_OBJECT(v);
23146         if (vobj->isXML())
23147             vxml = (JSXML *) vobj->getPrivate();
23148     }
23149     if (xml->xml_class == JSXML_CLASS_LIST) {
23150         ok = Equals(cx, xml, v, bp);
23151     } else if (vxml) {
23152         if (vxml->xml_class == JSXML_CLASS_LIST) {
23153             ok = Equals(cx, vxml, OBJECT_TO_JSVAL(obj), bp);
23154         } else {
23155             if (((xml->xml_class == JSXML_CLASS_TEXT ||
23156                   xml->xml_class == JSXML_CLASS_ATTRIBUTE) &&
23157                  HasSimpleContent(vxml)) ||
23158                 ((vxml->xml_class == JSXML_CLASS_TEXT ||
23159                   vxml->xml_class == JSXML_CLASS_ATTRIBUTE) &&
23160                  HasSimpleContent(xml))) {
23161                 ok = js_EnterLocalRootScope(cx);
23162                 if (ok) {
23163                     ok = (str = js_ValueToString(cx, ObjectValue(*obj))) &&
23164                          (vstr = js_ValueToString(cx, Valueify(v)));
23165                     if (ok)
23166                         ok = EqualStrings(cx, str, vstr, bp);
23167                     js_LeaveLocalRootScope(cx);
23168                 }
23169             } else {
23170                 ok = XMLEquals(cx, xml, vxml, bp);
23171             }
23172         }
23173     } else {
23174         ok = js_EnterLocalRootScope(cx);
23175         if (ok) {
23176             if (HasSimpleContent(xml)) {
23177                 ok = (str = js_ValueToString(cx, ObjectValue(*obj))) &&
23178                      (vstr = js_ValueToString(cx, Valueify(v)));
23179                 if (ok)
23180                     ok = EqualStrings(cx, str, vstr, bp);
23181             } else if (JSVAL_IS_STRING(v) || JSVAL_IS_NUMBER(v)) {
23182                 str = js_ValueToString(cx, ObjectValue(*obj));
23183                 if (!str) {
23184                     ok = (JSIntn)0;
23185                 } else if (JSVAL_IS_STRING(v)) {
23186                     ok = EqualStrings(cx, str, JSVAL_TO_STRING(v), bp);
23187                 } else {
23188                     ok = JS_ValueToNumber(cx, STRING_TO_JSVAL(str), &d);
23189                     if (ok) {
23190                         d2 = JSVAL_IS_INT(v) ? JSVAL_TO_INT(v)
23191                                              : JSVAL_TO_DOUBLE(v);
23192                         *bp = ((d) == (d2));
23193                     }
23194                 }
23195             } else {
23196                 *bp = (JSIntn)0;
23197             }
23198             js_LeaveLocalRootScope(cx);
23199         }
23200     }
23201     return ok;
23202 }
23203 JSBool
23204 js_ConcatenateXML(JSContext *cx, JSObject *obj, JSObject *robj, Value *vp)
23205 {
23206     JSBool ok;
23207     JSObject *listobj;
23208     JSXML *list, *lxml, *rxml;
23209     ((void) 0);
23210     ok = js_EnterLocalRootScope(cx);
23211     if (!ok)
23212         return (JSIntn)0;
23213     listobj = js_NewXMLObject(cx, JSXML_CLASS_LIST);
23214     if (!listobj) {
23215         ok = (JSIntn)0;
23216         goto out;
23217     }
23218     list = (JSXML *) listobj->getPrivate();
23219     lxml = (JSXML *) obj->getPrivate();
23220     ok = Append(cx, list, lxml);
23221     if (!ok)
23222         goto out;
23223     ((void) 0);
23224     rxml = (JSXML *) robj->getPrivate();
23225     ok = Append(cx, list, rxml);
23226     if (!ok)
23227         goto out;
23228     vp->setObject(*listobj);
23229 out:
23230     js_LeaveLocalRootScopeWithResult(cx, *vp);
23231     return ok;
23232 }
23233 __attribute__((visibility ("default"))) Class js_XMLClass = {
23234     js_XML_str,
23235     (1<<0) | (1<<((8 + 8)+3)) |
23236     ((JSProto_XML) << ((8 + 8) + 8)),
23237     PropertyStub,
23238     PropertyStub,
23239     PropertyStub,
23240     StrictPropertyStub,
23241     EnumerateStub,
23242     ResolveStub,
23243     xml_convert,
23244     xml_finalize,
23245     __null,
23246     __null,
23247     __null,
23248     __null,
23249     __null,
23250     xml_hasInstance,
23251     ((JSMarkOp)(xml_trace)),
23252     {__null,__null,__null,__null,__null},
23253     {
23254         xml_lookupProperty,
23255         xml_defineProperty,
23256         xml_getProperty,
23257         xml_setProperty,
23258         xml_getAttributes,
23259         xml_setAttributes,
23260         xml_deleteProperty,
23261         xml_enumerate,
23262         xml_typeOf,
23263         __null,
23264         xml_fix,
23265         __null,
23266         xml_clear
23267     }
23268 };
23269 static JSXML *
23270 StartNonListXMLMethod(JSContext *cx, jsval *vp, JSObject **objp)
23271 {
23272     JSXML *xml;
23273     JSFunction *fun;
23274     char numBuf[12];
23275     ((void) 0);
23276     *objp = ToObject(cx, Valueify(&vp[1]));
23277     if (!*objp)
23278         return __null;
23279     xml = (JSXML *) GetInstancePrivate(cx, *objp, &js_XMLClass, Valueify(vp + 2));
23280     if (!xml || xml->xml_class != JSXML_CLASS_LIST)
23281         return xml;
23282     if (xml->u.list.kids.length == 1) {
23283         xml = (((0) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[0] : __null);
23284         if (xml) {
23285             *objp = js_GetXMLObject(cx, xml);
23286             if (!*objp)
23287                 return __null;
23288             vp[1] = OBJECT_TO_JSVAL(*objp);
23289             return xml;
23290         }
23291     }
23292     fun = (((void) 0), (JSFunction *) (JSVAL_TO_OBJECT(*vp))->getPrivate());
23293     JS_snprintf(numBuf, sizeof numBuf, "%u", xml->u.list.kids.length);
23294     JSAutoByteString funNameBytes;
23295     if (const char *funName = GetFunctionNameBytes(cx, fun, &funNameBytes)) {
23296         JS_ReportErrorNumber(cx, js_GetErrorMessage, __null, JSMSG_NON_LIST_XML_METHOD,
23297                              funName, numBuf);
23298     }
23299     return __null;
23300 }
23301 static JSBool
23302 xml_addNamespace(JSContext *cx, uintN argc, jsval *vp)
23303 {
23304     JSObject *ns;
23305     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23306     if (xml->xml_class != JSXML_CLASS_ELEMENT)
23307         goto done;
23308     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
23309     if (!xml)
23310         return (JSIntn)0;
23311     if (!NamespaceHelper(cx, __null, argc == 0 ? -1 : 1, vp + 2, vp))
23312         return (JSIntn)0;
23313     ((void) 0);
23314     ns = JSVAL_TO_OBJECT(*vp);
23315     if (!AddInScopeNamespace(cx, xml, ns))
23316         return (JSIntn)0;
23317     ns->setNamespaceDeclared(((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)1)));
23318   done:
23319     *vp = OBJECT_TO_JSVAL(obj);
23320     return (JSIntn)1;
23321 }
23322 static JSBool
23323 xml_appendChild(JSContext *cx, uintN argc, jsval *vp)
23324 {
23325     jsval v;
23326     JSObject *vobj;
23327     JSXML *vxml;
23328     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23329     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
23330     if (!xml)
23331         return (JSIntn)0;
23332     jsid name;
23333     if (!js_GetAnyName(cx, &name))
23334         return (JSIntn)0;
23335     if (!GetProperty(cx, obj, name, &v))
23336         return (JSIntn)0;
23337     ((void) 0);
23338     vobj = JSVAL_TO_OBJECT(v);
23339     ((void) 0);
23340     vxml = (JSXML *) vobj->getPrivate();
23341     ((void) 0);
23342     if (!IndexToId(cx, vxml->u.list.kids.length, &name))
23343         return (JSIntn)0;
23344     *vp = (argc != 0) ? vp[2] : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
23345     if (!PutProperty(cx, JSVAL_TO_OBJECT(v), name, false, vp))
23346         return (JSIntn)0;
23347     *vp = OBJECT_TO_JSVAL(obj);
23348     return (JSIntn)1;
23349 }
23350 static JSBool
23351 xml_attribute(JSContext *cx, uintN argc, jsval *vp)
23352 {
23353     JSObject *qn;
23354     if (argc == 0) {
23355         js_ReportMissingArg(cx, Valueify(*vp), 0);
23356         return (JSIntn)0;
23357     }
23358     qn = ToAttributeName(cx, vp[2]);
23359     if (!qn)
23360         return (JSIntn)0;
23361     vp[2] = OBJECT_TO_JSVAL(qn);
23362     jsid id = OBJECT_TO_JSID(qn);
23363     JSObject *obj = ToObject(cx, Valueify(&vp[1]));
23364     if (!obj)
23365         return (JSIntn)0;
23366     return GetProperty(cx, obj, id, vp);
23367 }
23368 static JSBool
23369 xml_attributes(JSContext *cx, uintN argc, jsval *vp)
23370 {
23371     jsval name = STRING_TO_JSVAL((cx->runtime->atomState.starAtom));
23372     JSObject *qn = ToAttributeName(cx, name);
23373     if (!qn)
23374         return (JSIntn)0;
23375     AutoObjectRooter tvr(cx, qn);
23376     jsid id = OBJECT_TO_JSID(qn);
23377     JSObject *obj = ToObject(cx, Valueify(&vp[1]));
23378     if (!obj)
23379         return (JSIntn)0;
23380     return GetProperty(cx, obj, id, vp);
23381 }
23382 static JSXML *
23383 xml_list_helper(JSContext *cx, JSXML *xml, jsval *rval)
23384 {
23385     JSObject *listobj;
23386     JSXML *list;
23387     listobj = js_NewXMLObject(cx, JSXML_CLASS_LIST);
23388     if (!listobj)
23389         return __null;
23390     *rval = OBJECT_TO_JSVAL(listobj);
23391     list = (JSXML *) listobj->getPrivate();
23392     list->u.list.target = xml;
23393     return list;
23394 }
23395 static JSBool
23396 ValueToId(JSContext *cx, jsval v, AutoIdRooter *idr)
23397 {
23398     if (JSVAL_IS_INT(v)) {
23399         jsint i = JSVAL_TO_INT(v);
23400         if (INT_FITS_IN_JSID(i))
23401             *idr->addr() = INT_TO_JSID(i);
23402         else if (!js_ValueToStringId(cx, Valueify(v), idr->addr()))
23403             return (JSIntn)0;
23404     } else if (JSVAL_IS_STRING(v)) {
23405         JSAtom *atom = js_AtomizeString(cx, JSVAL_TO_STRING(v), 0);
23406         if (!atom)
23407             return (JSIntn)0;
23408         *idr->addr() = ATOM_TO_JSID(atom);
23409     } else if (!JSVAL_IS_PRIMITIVE(v)) {
23410         *idr->addr() = OBJECT_TO_JSID(JSVAL_TO_OBJECT(v));
23411     } else {
23412         ReportBadXMLName(cx, Valueify(v));
23413         return (JSIntn)0;
23414     }
23415     return (JSIntn)1;
23416 }
23417 static JSBool
23418 xml_child_helper(JSContext *cx, JSObject *obj, JSXML *xml, jsval name,
23419                  jsval *rval)
23420 {
23421     bool isIndex;
23422     uint32 index;
23423     JSXML *kid;
23424     JSObject *kidobj;
23425     ((void) 0);
23426     if (!js_IdValIsIndex(cx, name, &index, &isIndex))
23427         return (JSIntn)0;
23428     if (isIndex) {
23429         if (index >= ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0)) {
23430             *rval = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
23431         } else {
23432             kid = (((index) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[index] : __null);
23433             if (!kid) {
23434                 *rval = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
23435             } else {
23436                 kidobj = js_GetXMLObject(cx, kid);
23437                 if (!kidobj)
23438                     return (JSIntn)0;
23439                 *rval = OBJECT_TO_JSVAL(kidobj);
23440             }
23441         }
23442         return (JSIntn)1;
23443     }
23444     AutoIdRooter idr(cx);
23445     if (!ValueToId(cx, name, &idr))
23446         return (JSIntn)0;
23447     return GetProperty(cx, obj, idr.id(), rval);
23448 }
23449 static JSBool
23450 xml_child(JSContext *cx, uintN argc, jsval *vp)
23451 {
23452     jsval v;
23453     JSXML *list, *vxml;
23454     JSObject *kidobj;
23455     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
23456     jsval name = argc != 0 ? vp[2] : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
23457     if (xml->xml_class == JSXML_CLASS_LIST) {
23458         list = xml_list_helper(cx, xml, vp);
23459         if (!list)
23460             return (JSIntn)0;
23461         JSXMLArrayCursor cursor(&xml->u.list.kids);
23462         while (JSXML *kid = (JSXML *) cursor.getNext()) {
23463             kidobj = js_GetXMLObject(cx, kid);
23464             if (!kidobj)
23465                 return (JSIntn)0;
23466             if (!xml_child_helper(cx, kidobj, kid, name, &v))
23467                 return (JSIntn)0;
23468             if (JSVAL_IS_VOID(v)) {
23469                 continue;
23470             }
23471             ((void) 0);
23472             vxml = (JSXML *) JSVAL_TO_OBJECT(v)->getPrivate();
23473             if ((!(((vxml)->xml_class) < JSXML_CLASS_ATTRIBUTE) || vxml->u.list.kids.length != 0) &&
23474                 !Append(cx, list, vxml)) {
23475                 return (JSIntn)0;
23476             }
23477         }
23478         return (JSIntn)1;
23479     }
23480     if (!xml_child_helper(cx, obj, xml, name, vp))
23481         return (JSIntn)0;
23482     if (JSVAL_IS_VOID(*vp) && !xml_list_helper(cx, xml, vp))
23483         return (JSIntn)0;
23484     return (JSIntn)1;
23485 }
23486 static JSBool
23487 xml_childIndex(JSContext *cx, uintN argc, jsval *vp)
23488 {
23489     JSXML *parent;
23490     uint32 i, n;
23491     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23492     parent = xml->parent;
23493     if (!parent || xml->xml_class == JSXML_CLASS_ATTRIBUTE) {
23494         *vp = DOUBLE_TO_JSVAL(js_NaN);
23495         return (JSIntn)1;
23496     }
23497     for (i = 0, n = ((((parent)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (parent)->u.list.kids.length : 0); i < n; i++) {
23498         if ((((i) < (&parent->u.list.kids)->length) ? (JSXML *) (&parent->u.list.kids)->vector[i] : __null) == xml)
23499             break;
23500     }
23501     ((void) 0);
23502     if (i <= ((jsint)0x7fffffff))
23503         *vp = INT_TO_JSVAL(i);
23504     else
23505         *vp = DOUBLE_TO_JSVAL(i);
23506     return (JSIntn)1;
23507 }
23508 static JSBool
23509 xml_children(JSContext *cx, uintN argc, jsval *vp)
23510 {
23511     JSObject *obj = ToObject(cx, Valueify(&vp[1]));
23512     if (!obj)
23513         return false;
23514     jsid name = ATOM_TO_JSID(cx->runtime->atomState.starAtom);
23515     return GetProperty(cx, obj, name, vp);
23516 }
23517 static JSBool
23518 xml_comments_helper(JSContext *cx, JSObject *obj, JSXML *xml, jsval *vp)
23519 {
23520     JSXML *list, *kid, *vxml;
23521     JSBool ok;
23522     uint32 i, n;
23523     JSObject *kidobj;
23524     jsval v;
23525     list = xml_list_helper(cx, xml, vp);
23526     if (!list)
23527         return (JSIntn)0;
23528     ok = (JSIntn)1;
23529     if (xml->xml_class == JSXML_CLASS_LIST) {
23530         for (i = 0, n = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0); i < n; i++) {
23531             kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
23532             if (kid && kid->xml_class == JSXML_CLASS_ELEMENT) {
23533                 ok = js_EnterLocalRootScope(cx);
23534                 if (!ok)
23535                     break;
23536                 kidobj = js_GetXMLObject(cx, kid);
23537                 if (kidobj) {
23538                     ok = xml_comments_helper(cx, kidobj, kid, &v);
23539                 } else {
23540                     ok = (JSIntn)0;
23541                     v = ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0));
23542                 }
23543                 js_LeaveLocalRootScopeWithResult(cx, Valueify(v));
23544                 if (!ok)
23545                     break;
23546                 vxml = (JSXML *) JSVAL_TO_OBJECT(v)->getPrivate();
23547                 if (((((vxml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (vxml)->u.list.kids.length : 0) != 0) {
23548                     ok = Append(cx, list, vxml);
23549                     if (!ok)
23550                         break;
23551                 }
23552             }
23553         }
23554     } else {
23555         for (i = 0, n = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0); i < n; i++) {
23556             kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
23557             if (kid && kid->xml_class == JSXML_CLASS_COMMENT) {
23558                 ok = Append(cx, list, kid);
23559                 if (!ok)
23560                     break;
23561             }
23562         }
23563     }
23564     return ok;
23565 }
23566 static JSBool
23567 xml_comments(JSContext *cx, uintN argc, jsval *vp)
23568 {
23569     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
23570     return xml_comments_helper(cx, obj, xml, vp);
23571 }
23572 static JSBool
23573 xml_contains(JSContext *cx, uintN argc, jsval *vp)
23574 {
23575     jsval value;
23576     JSBool eq;
23577     JSObject *kidobj;
23578     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
23579     value = argc != 0 ? vp[2] : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
23580     if (xml->xml_class == JSXML_CLASS_LIST) {
23581         eq = (JSIntn)0;
23582         JSXMLArrayCursor cursor(&xml->u.list.kids);
23583         while (JSXML *kid = (JSXML *) cursor.getNext()) {
23584             kidobj = js_GetXMLObject(cx, kid);
23585             if (!kidobj || !js_TestXMLEquality(cx, ObjectValue(*kidobj), Valueify(value), &eq))
23586                 return (JSIntn)0;
23587             if (eq)
23588                 break;
23589         }
23590     } else {
23591         if (!js_TestXMLEquality(cx, ObjectValue(*obj), Valueify(value), &eq))
23592             return (JSIntn)0;
23593     }
23594     *vp = BOOLEAN_TO_JSVAL(eq);
23595     return (JSIntn)1;
23596 }
23597 static JSBool
23598 xml_copy(JSContext *cx, uintN argc, jsval *vp)
23599 {
23600     JSXML *copy;
23601     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
23602     copy = DeepCopy(cx, xml, __null, 0);
23603     if (!copy)
23604         return (JSIntn)0;
23605     *vp = OBJECT_TO_JSVAL(copy->object);
23606     return (JSIntn)1;
23607 }
23608 static JSBool
23609 xml_descendants(JSContext *cx, uintN argc, jsval *vp)
23610 {
23611     jsval name;
23612     JSXML *list;
23613     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
23614     name = argc == 0 ? STRING_TO_JSVAL((cx->runtime->atomState.starAtom)) : vp[2];
23615     list = Descendants(cx, xml, name);
23616     if (!list)
23617         return (JSIntn)0;
23618     *vp = OBJECT_TO_JSVAL(list->object);
23619     return (JSIntn)1;
23620 }
23621 static JSBool
23622 xml_elements_helper(JSContext *cx, JSObject *obj, JSXML *xml,
23623                     JSObject *nameqn, jsval *vp)
23624 {
23625     JSXML *list, *vxml;
23626     jsval v;
23627     JSBool ok;
23628     JSObject *kidobj;
23629     uint32 i, n;
23630     list = xml_list_helper(cx, xml, vp);
23631     if (!list)
23632         return (JSIntn)0;
23633     list->u.list.targetprop = nameqn;
23634     ok = (JSIntn)1;
23635     if (xml->xml_class == JSXML_CLASS_LIST) {
23636         JSXMLArrayCursor cursor(&xml->u.list.kids);
23637         while (JSXML *kid = (JSXML *) cursor.getNext()) {
23638             if (kid->xml_class == JSXML_CLASS_ELEMENT) {
23639                 ok = js_EnterLocalRootScope(cx);
23640                 if (!ok)
23641                     break;
23642                 kidobj = js_GetXMLObject(cx, kid);
23643                 if (kidobj) {
23644                     ok = xml_elements_helper(cx, kidobj, kid, nameqn, &v);
23645                 } else {
23646                     ok = (JSIntn)0;
23647                     v = ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0));
23648                 }
23649                 js_LeaveLocalRootScopeWithResult(cx, Valueify(v));
23650                 if (!ok)
23651                     break;
23652                 vxml = (JSXML *) JSVAL_TO_OBJECT(v)->getPrivate();
23653                 if (((((vxml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (vxml)->u.list.kids.length : 0) != 0) {
23654                     ok = Append(cx, list, vxml);
23655                     if (!ok)
23656                         break;
23657                 }
23658             }
23659         }
23660     } else {
23661         for (i = 0, n = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0); i < n; i++) {
23662             JSXML *kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
23663             if (kid && kid->xml_class == JSXML_CLASS_ELEMENT &&
23664                 MatchElemName(nameqn, kid)) {
23665                 ok = Append(cx, list, kid);
23666                 if (!ok)
23667                     break;
23668             }
23669         }
23670     }
23671     return ok;
23672 }
23673 static JSBool
23674 xml_elements(JSContext *cx, uintN argc, jsval *vp)
23675 {
23676     jsval name;
23677     JSObject *nameqn;
23678     jsid funid;
23679     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
23680     name = (argc == 0) ? STRING_TO_JSVAL((cx->runtime->atomState.starAtom)) : vp[2];
23681     nameqn = ToXMLName(cx, name, &funid);
23682     if (!nameqn)
23683         return (JSIntn)0;
23684     if (!JSID_IS_VOID(funid))
23685         return xml_list_helper(cx, xml, vp) != __null;
23686     return xml_elements_helper(cx, obj, xml, nameqn, vp);
23687 }
23688 static JSBool
23689 xml_hasOwnProperty(JSContext *cx, uintN argc, jsval *vp)
23690 {
23691     jsval name;
23692     JSBool found;
23693     JSObject *obj = ToObject(cx, Valueify(&vp[1]));
23694     if (!obj)
23695         return (JSIntn)0;
23696     if (!InstanceOf(cx, obj, &js_XMLClass, Valueify(vp + 2)))
23697         return (JSIntn)0;
23698     name = argc != 0 ? vp[2] : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
23699     if (!HasProperty(cx, obj, name, &found))
23700         return (JSIntn)0;
23701     if (found) {
23702         *vp = ((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)1));
23703         return (JSIntn)1;
23704     }
23705     return js_HasOwnPropertyHelper(cx, js_LookupProperty, argc, Valueify(vp));
23706 }
23707 static JSBool
23708 xml_hasComplexContent(JSContext *cx, uintN argc, jsval *vp)
23709 {
23710     JSXML *kid;
23711     JSObject *kidobj;
23712     uint32 i, n;
23713     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
23714 again:
23715     switch (xml->xml_class) {
23716       case JSXML_CLASS_ATTRIBUTE:
23717       case JSXML_CLASS_COMMENT:
23718       case JSXML_CLASS_PROCESSING_INSTRUCTION:
23719       case JSXML_CLASS_TEXT:
23720         *vp = ((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)0));
23721         break;
23722       case JSXML_CLASS_LIST:
23723         if (xml->u.list.kids.length == 0) {
23724             *vp = ((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)1));
23725         } else if (xml->u.list.kids.length == 1) {
23726             kid = (((0) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[0] : __null);
23727             if (kid) {
23728                 kidobj = js_GetXMLObject(cx, kid);
23729                 if (!kidobj)
23730                     return (JSIntn)0;
23731                 obj = kidobj;
23732                 xml = (JSXML *) obj->getPrivate();
23733                 goto again;
23734             }
23735         }
23736       default:
23737         *vp = ((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)0));
23738         for (i = 0, n = xml->u.list.kids.length; i < n; i++) {
23739             kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
23740             if (kid && kid->xml_class == JSXML_CLASS_ELEMENT) {
23741                 *vp = ((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)1));
23742                 break;
23743             }
23744         }
23745         break;
23746     }
23747     return (JSIntn)1;
23748 }
23749 static JSBool
23750 xml_hasSimpleContent(JSContext *cx, uintN argc, jsval *vp)
23751 {
23752     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
23753     *vp = BOOLEAN_TO_JSVAL(HasSimpleContent(xml));
23754     return (JSIntn)1;
23755 }
23756 static JSBool
23757 FindInScopeNamespaces(JSContext *cx, JSXML *xml, JSXMLArray *nsarray)
23758 {
23759     uint32 length, i, j, n;
23760     JSObject *ns, *ns2;
23761     JSLinearString *prefix, *prefix2;
23762     length = nsarray->length;
23763     do {
23764         if (xml->xml_class != JSXML_CLASS_ELEMENT)
23765             continue;
23766         for (i = 0, n = xml->u.elem.namespaces.length; i < n; i++) {
23767             ns = (((i) < (&xml->u.elem.namespaces)->length) ? (JSObject *) (&xml->u.elem.namespaces)->vector[i] : __null);
23768             if (!ns)
23769                 continue;
23770             prefix = ns->getNamePrefix();
23771             for (j = 0; j < length; j++) {
23772                 ns2 = (((j) < (nsarray)->length) ? (JSObject *) (nsarray)->vector[j] : __null);
23773                 if (ns2) {
23774                     prefix2 = ns2->getNamePrefix();
23775                     if ((prefix2 && prefix)
23776                         ? EqualStrings(prefix2, prefix)
23777                         : EqualStrings(ns2->getNameURI(), ns->getNameURI())) {
23778                         break;
23779                     }
23780                 }
23781             }
23782             if (j == length) {
23783                 if (!XMLArrayAddMember(cx, nsarray, (nsarray)->length, (void *)((ns))))
23784                     return (JSIntn)0;
23785                 ++length;
23786             }
23787         }
23788     } while ((xml = xml->parent) != __null);
23789     ((void) 0);
23790     return (JSIntn)1;
23791 }
23792 static
23793        bool
23794 NamespacesToJSArray(JSContext *cx, JSXMLArray *array, jsval *rval)
23795 {
23796     JSObject *arrayobj = NewDenseEmptyArray(cx);
23797     if (!arrayobj)
23798         return false;
23799     *rval = OBJECT_TO_JSVAL(arrayobj);
23800     AutoValueRooter tvr(cx);
23801     for (uint32 i = 0, n = array->length; i < n; i++) {
23802         JSObject *ns = (((i) < (array)->length) ? (JSObject *) (array)->vector[i] : __null);
23803         if (!ns)
23804             continue;
23805         tvr.set(ObjectValue(*ns));
23806         if (!arrayobj->setProperty(cx, INT_TO_JSID(i), tvr.addr(), false))
23807             return false;
23808     }
23809     return true;
23810 }
23811 static JSBool
23812 xml_inScopeNamespaces(JSContext *cx, uintN argc, jsval *vp)
23813 {
23814     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23815     AutoNamespaceArray namespaces(cx);
23816     return FindInScopeNamespaces(cx, xml, &namespaces.array) &&
23817            NamespacesToJSArray(cx, &namespaces.array, vp);
23818 }
23819 static JSBool
23820 xml_insertChildAfter(JSContext *cx, uintN argc, jsval *vp)
23821 {
23822     jsval arg;
23823     JSXML *kid;
23824     uint32 i;
23825     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23826     *vp = OBJECT_TO_JSVAL(obj);
23827     if (!(((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) || argc == 0)
23828         return (JSIntn)1;
23829     arg = vp[2];
23830     if (JSVAL_IS_NULL(arg)) {
23831         kid = __null;
23832         i = 0;
23833     } else {
23834         if (!(!JSVAL_IS_PRIMITIVE(arg) && JSVAL_TO_OBJECT(arg)->isXML()))
23835             return (JSIntn)1;
23836         kid = (JSXML *) JSVAL_TO_OBJECT(arg)->getPrivate();
23837         i = XMLArrayFindMember(&xml->u.list.kids, (void *)(kid), __null);
23838         if (i == ((uint32) -1))
23839             return (JSIntn)1;
23840         ++i;
23841     }
23842     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
23843     if (!xml)
23844         return (JSIntn)0;
23845     return Insert(cx, xml, i, argc >= 2 ? vp[3] : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0)));
23846 }
23847 static JSBool
23848 xml_insertChildBefore(JSContext *cx, uintN argc, jsval *vp)
23849 {
23850     jsval arg;
23851     JSXML *kid;
23852     uint32 i;
23853     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23854     *vp = OBJECT_TO_JSVAL(obj);
23855     if (!(((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) || argc == 0)
23856         return (JSIntn)1;
23857     arg = vp[2];
23858     if (JSVAL_IS_NULL(arg)) {
23859         kid = __null;
23860         i = xml->u.list.kids.length;
23861     } else {
23862         if (!(!JSVAL_IS_PRIMITIVE(arg) && JSVAL_TO_OBJECT(arg)->isXML()))
23863             return (JSIntn)1;
23864         kid = (JSXML *) JSVAL_TO_OBJECT(arg)->getPrivate();
23865         i = XMLArrayFindMember(&xml->u.list.kids, (void *)(kid), __null);
23866         if (i == ((uint32) -1))
23867             return (JSIntn)1;
23868     }
23869     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
23870     if (!xml)
23871         return (JSIntn)0;
23872     return Insert(cx, xml, i, argc >= 2 ? vp[3] : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0)));
23873 }
23874 static JSBool
23875 xml_length(JSContext *cx, uintN argc, jsval *vp)
23876 {
23877     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
23878     if (xml->xml_class != JSXML_CLASS_LIST) {
23879         *vp = ((((uint64)(uint32)(JSVAL_TAG_INT32)) << 47) | (1));
23880     } else {
23881         uint32 l = xml->u.list.kids.length;
23882         if (l <= ((jsint)0x7fffffff))
23883             *vp = INT_TO_JSVAL(l);
23884         else
23885             *vp = DOUBLE_TO_JSVAL(l);
23886     }
23887     return (JSIntn)1;
23888 }
23889 static JSBool
23890 xml_localName(JSContext *cx, uintN argc, jsval *vp)
23891 {
23892     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23893     *vp = xml->name ? xml->name->getQNameLocalNameVal() : ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0));
23894     return (JSIntn)1;
23895 }
23896 static JSBool
23897 xml_name(JSContext *cx, uintN argc, jsval *vp)
23898 {
23899     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23900     *vp = OBJECT_TO_JSVAL(xml->name);
23901     return (JSIntn)1;
23902 }
23903 static JSBool
23904 xml_namespace(JSContext *cx, uintN argc, jsval *vp)
23905 {
23906     JSLinearString *prefix, *nsprefix;
23907     jsuint i, length;
23908     JSObject *ns;
23909     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23910     if (argc == 0 && !((uintN)(((xml)->xml_class) - JSXML_CLASS_ELEMENT) <= (uintN)(JSXML_CLASS_PROCESSING_INSTRUCTION - JSXML_CLASS_ELEMENT))) {
23911         *vp = ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0));
23912         return true;
23913     }
23914     if (argc == 0) {
23915         prefix = __null;
23916     } else {
23917         JSString *str = js_ValueToString(cx, Valueify(vp[2]));
23918         if (!str)
23919             return false;
23920         prefix = str->ensureLinear(cx);
23921         if (!prefix)
23922             return false;
23923         vp[2] = STRING_TO_JSVAL(prefix);
23924     }
23925     AutoNamespaceArray inScopeNSes(cx);
23926     if (!FindInScopeNamespaces(cx, xml, &inScopeNSes.array))
23927         return false;
23928     if (!prefix) {
23929         ns = GetNamespace(cx, xml->name, &inScopeNSes.array);
23930         if (!ns)
23931             return false;
23932     } else {
23933         ns = __null;
23934         for (i = 0, length = inScopeNSes.array.length; i < length; i++) {
23935             ns = (((i) < (&inScopeNSes.array)->length) ? (JSObject *) (&inScopeNSes.array)->vector[i] : __null);
23936             if (ns) {
23937                 nsprefix = ns->getNamePrefix();
23938                 if (nsprefix && EqualStrings(nsprefix, prefix))
23939                     break;
23940                 ns = __null;
23941             }
23942         }
23943     }
23944     *vp = (!ns) ? ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0)) : OBJECT_TO_JSVAL(ns);
23945     return true;
23946 }
23947 static JSBool
23948 xml_namespaceDeclarations(JSContext *cx, uintN argc, jsval *vp)
23949 {
23950     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23951     if ((((xml)->xml_class) >= JSXML_CLASS_ATTRIBUTE))
23952         return true;
23953     AutoNamespaceArray ancestors(cx);
23954     AutoNamespaceArray declared(cx);
23955     JSXML *yml = xml;
23956     while ((yml = yml->parent) != __null) {
23957         ((void) 0);
23958         for (uint32 i = 0, n = yml->u.elem.namespaces.length; i < n; i++) {
23959             JSObject *ns = (((i) < (&yml->u.elem.namespaces)->length) ? (JSObject *) (&yml->u.elem.namespaces)->vector[i] : __null);
23960             if (ns && !(XMLArrayFindMember(&ancestors.array, (void *)(ns), namespace_match) != ((uint32) -1))) {
23961                 if (!XMLArrayAddMember(cx, &ancestors.array, (&ancestors.array)->length, (void *)((ns))))
23962                     return false;
23963             }
23964         }
23965     }
23966     for (uint32 i = 0, n = xml->u.elem.namespaces.length; i < n; i++) {
23967         JSObject *ns = (((i) < (&xml->u.elem.namespaces)->length) ? (JSObject *) (&xml->u.elem.namespaces)->vector[i] : __null);
23968         if (!ns)
23969             continue;
23970         if (!IsDeclared(ns))
23971             continue;
23972         if (!(XMLArrayFindMember(&ancestors.array, (void *)(ns), namespace_match) != ((uint32) -1))) {
23973             if (!XMLArrayAddMember(cx, &declared.array, (&declared.array)->length, (void *)((ns))))
23974                 return false;
23975         }
23976     }
23977     return NamespacesToJSArray(cx, &declared.array, vp);
23978 }
23979 static const char js_attribute_str[] = "attribute";
23980 static const char js_text_str[] = "text";
23981 const char *js_xml_class_str[] = {
23982     "list",
23983     "element",
23984     js_attribute_str,
23985     "processing-instruction",
23986     js_text_str,
23987     "comment"
23988 };
23989 static JSBool
23990 xml_nodeKind(JSContext *cx, uintN argc, jsval *vp)
23991 {
23992     JSString *str;
23993     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
23994     str = JS_InternString(cx, js_xml_class_str[xml->xml_class]);
23995     if (!str)
23996         return (JSIntn)0;
23997     *vp = STRING_TO_JSVAL(str);
23998     return (JSIntn)1;
23999 }
24000 static void
24001 NormalizingDelete(JSContext *cx, JSXML *xml, uint32 index)
24002 {
24003     if (xml->xml_class == JSXML_CLASS_LIST)
24004         DeleteListElement(cx, xml, index);
24005     else
24006         DeleteByIndex(cx, xml, index);
24007 }
24008 static JSBool
24009 xml_normalize_helper(JSContext *cx, JSObject *obj, JSXML *xml)
24010 {
24011     JSXML *kid, *kid2;
24012     uint32 i, n;
24013     JSObject *kidobj;
24014     JSString *str;
24015     if (!(((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE))
24016         return (JSIntn)1;
24017     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
24018     if (!xml)
24019         return (JSIntn)0;
24020     for (i = 0, n = xml->u.list.kids.length; i < n; i++) {
24021         kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
24022         if (!kid)
24023             continue;
24024         if (kid->xml_class == JSXML_CLASS_ELEMENT) {
24025             kidobj = js_GetXMLObject(cx, kid);
24026             if (!kidobj || !xml_normalize_helper(cx, kidobj, kid))
24027                 return (JSIntn)0;
24028         } else if (kid->xml_class == JSXML_CLASS_TEXT) {
24029             while (i + 1 < n &&
24030                    (kid2 = (((i + 1) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i + 1] : __null)) &&
24031                    kid2->xml_class == JSXML_CLASS_TEXT) {
24032                 str = js_ConcatStrings(cx, kid->u.value, kid2->u.value);
24033                 if (!str)
24034                     return (JSIntn)0;
24035                 NormalizingDelete(cx, xml, i + 1);
24036                 n = xml->u.list.kids.length;
24037                 kid->u.value = str;
24038             }
24039             if (kid->u.value->empty()) {
24040                 NormalizingDelete(cx, xml, i);
24041                 n = xml->u.list.kids.length;
24042                 --i;
24043             }
24044         }
24045     }
24046     return (JSIntn)1;
24047 }
24048 static JSBool
24049 xml_normalize(JSContext *cx, uintN argc, jsval *vp)
24050 {
24051     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
24052     *vp = OBJECT_TO_JSVAL(obj);
24053     return xml_normalize_helper(cx, obj, xml);
24054 }
24055 static JSBool
24056 xml_parent(JSContext *cx, uintN argc, jsval *vp)
24057 {
24058     JSXML *parent, *kid;
24059     uint32 i, n;
24060     JSObject *parentobj;
24061     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
24062     parent = xml->parent;
24063     if (xml->xml_class == JSXML_CLASS_LIST) {
24064         *vp = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
24065         n = xml->u.list.kids.length;
24066         if (n == 0)
24067             return (JSIntn)1;
24068         kid = (((0) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[0] : __null);
24069         if (!kid)
24070             return (JSIntn)1;
24071         parent = kid->parent;
24072         for (i = 1; i < n; i++) {
24073             kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
24074             if (kid && kid->parent != parent)
24075                 return (JSIntn)1;
24076         }
24077     }
24078     if (!parent) {
24079         *vp = ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0));
24080         return (JSIntn)1;
24081     }
24082     parentobj = js_GetXMLObject(cx, parent);
24083     if (!parentobj)
24084         return (JSIntn)0;
24085     *vp = OBJECT_TO_JSVAL(parentobj);
24086     return (JSIntn)1;
24087 }
24088 static JSBool
24089 xml_processingInstructions_helper(JSContext *cx, JSObject *obj, JSXML *xml,
24090                                   JSObject *nameqn, jsval *vp)
24091 {
24092     JSXML *list, *vxml;
24093     JSBool ok;
24094     JSObject *kidobj;
24095     jsval v;
24096     uint32 i, n;
24097     list = xml_list_helper(cx, xml, vp);
24098     if (!list)
24099         return (JSIntn)0;
24100     list->u.list.targetprop = nameqn;
24101     ok = (JSIntn)1;
24102     if (xml->xml_class == JSXML_CLASS_LIST) {
24103         JSXMLArrayCursor cursor(&xml->u.list.kids);
24104         while (JSXML *kid = (JSXML *) cursor.getNext()) {
24105             if (kid->xml_class == JSXML_CLASS_ELEMENT) {
24106                 ok = js_EnterLocalRootScope(cx);
24107                 if (!ok)
24108                     break;
24109                 kidobj = js_GetXMLObject(cx, kid);
24110                 if (kidobj) {
24111                     ok = xml_processingInstructions_helper(cx, kidobj, kid,
24112                                                            nameqn, &v);
24113                 } else {
24114                     ok = (JSIntn)0;
24115                     v = ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0));
24116                 }
24117                 js_LeaveLocalRootScopeWithResult(cx, Valueify(v));
24118                 if (!ok)
24119                     break;
24120                 vxml = (JSXML *) JSVAL_TO_OBJECT(v)->getPrivate();
24121                 if (((((vxml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (vxml)->u.list.kids.length : 0) != 0) {
24122                     ok = Append(cx, list, vxml);
24123                     if (!ok)
24124                         break;
24125                 }
24126             }
24127         }
24128     } else {
24129         for (i = 0, n = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0); i < n; i++) {
24130             JSXML *kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
24131             if (kid && kid->xml_class == JSXML_CLASS_PROCESSING_INSTRUCTION) {
24132                 JSLinearString *localName = nameqn->getQNameLocalName();
24133                 if (((localName)->length() == 1 && *(localName)->chars() == '*') ||
24134                     EqualStrings(localName, kid->name->getQNameLocalName())) {
24135                     ok = Append(cx, list, kid);
24136                     if (!ok)
24137                         break;
24138                 }
24139             }
24140         }
24141     }
24142     return ok;
24143 }
24144 static JSBool
24145 xml_processingInstructions(JSContext *cx, uintN argc, jsval *vp)
24146 {
24147     jsval name;
24148     JSObject *nameqn;
24149     jsid funid;
24150     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
24151     name = (argc == 0) ? STRING_TO_JSVAL((cx->runtime->atomState.starAtom)) : vp[2];
24152     nameqn = ToXMLName(cx, name, &funid);
24153     if (!nameqn)
24154         return (JSIntn)0;
24155     vp[2] = OBJECT_TO_JSVAL(nameqn);
24156     if (!JSID_IS_VOID(funid))
24157         return xml_list_helper(cx, xml, vp) != __null;
24158     return xml_processingInstructions_helper(cx, obj, xml, nameqn, vp);
24159 }
24160 static JSBool
24161 xml_prependChild(JSContext *cx, uintN argc, jsval *vp)
24162 {
24163     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
24164     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
24165     if (!xml)
24166         return (JSIntn)0;
24167     *vp = OBJECT_TO_JSVAL(obj);
24168     return Insert(cx, xml, 0, argc != 0 ? vp[2] : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0)));
24169 }
24170 static JSBool
24171 xml_propertyIsEnumerable(JSContext *cx, uintN argc, jsval *vp)
24172 {
24173     bool isIndex;
24174     uint32 index;
24175     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
24176     *vp = ((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)0));
24177     if (argc != 0) {
24178         if (!js_IdValIsIndex(cx, vp[2], &index, &isIndex))
24179             return (JSIntn)0;
24180         if (isIndex) {
24181             if (xml->xml_class == JSXML_CLASS_LIST) {
24182                 *vp = BOOLEAN_TO_JSVAL(index < xml->u.list.kids.length);
24183             } else {
24184                 *vp = BOOLEAN_TO_JSVAL(index == 0);
24185             }
24186         }
24187     }
24188     return (JSIntn)1;
24189 }
24190 static JSBool
24191 namespace_full_match(const void *a, const void *b)
24192 {
24193     const JSObject *nsa = (const JSObject *) a;
24194     const JSObject *nsb = (const JSObject *) b;
24195     JSLinearString *prefixa = nsa->getNamePrefix();
24196     JSLinearString *prefixb;
24197     if (prefixa) {
24198         prefixb = nsb->getNamePrefix();
24199         if (prefixb && !EqualStrings(prefixa, prefixb))
24200             return (JSIntn)0;
24201     }
24202     return EqualStrings(nsa->getNameURI(), nsb->getNameURI());
24203 }
24204 static JSBool
24205 xml_removeNamespace_helper(JSContext *cx, JSXML *xml, JSObject *ns)
24206 {
24207     JSObject *thisns, *attrns;
24208     uint32 i, n;
24209     JSXML *attr, *kid;
24210     thisns = GetNamespace(cx, xml->name, &xml->u.elem.namespaces);
24211     ((void) 0);
24212     if (thisns == ns)
24213         return (JSIntn)1;
24214     for (i = 0, n = xml->u.elem.attrs.length; i < n; i++) {
24215         attr = (((i) < (&xml->u.elem.attrs)->length) ? (JSXML *) (&xml->u.elem.attrs)->vector[i] : __null);
24216         if (!attr)
24217             continue;
24218         attrns = GetNamespace(cx, attr->name, &xml->u.elem.namespaces);
24219         ((void) 0);
24220         if (attrns == ns)
24221             return (JSIntn)1;
24222     }
24223     i = XMLArrayFindMember(&xml->u.elem.namespaces, (void *)(ns), namespace_full_match);
24224     if (i != ((uint32) -1))
24225         XMLArrayDelete(cx, &xml->u.elem.namespaces, i, (JSIntn)1);
24226     for (i = 0, n = xml->u.list.kids.length; i < n; i++) {
24227         kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
24228         if (kid && kid->xml_class == JSXML_CLASS_ELEMENT) {
24229             if (!xml_removeNamespace_helper(cx, kid, ns))
24230                 return (JSIntn)0;
24231         }
24232     }
24233     return (JSIntn)1;
24234 }
24235 static JSBool
24236 xml_removeNamespace(JSContext *cx, uintN argc, jsval *vp)
24237 {
24238     JSObject *ns;
24239     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
24240     if (xml->xml_class != JSXML_CLASS_ELEMENT)
24241         goto done;
24242     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
24243     if (!xml)
24244         return (JSIntn)0;
24245     if (!NamespaceHelper(cx, __null, argc == 0 ? -1 : 1, vp + 2, vp))
24246         return (JSIntn)0;
24247     ((void) 0);
24248     ns = JSVAL_TO_OBJECT(*vp);
24249     if (!xml_removeNamespace_helper(cx, xml, ns))
24250         return (JSIntn)0;
24251   done:
24252     *vp = OBJECT_TO_JSVAL(obj);
24253     return (JSIntn)1;
24254 }
24255 static JSBool
24256 xml_replace(JSContext *cx, uintN argc, jsval *vp)
24257 {
24258     jsval value;
24259     JSXML *vxml, *kid;
24260     uint32 index, i;
24261     JSObject *nameqn;
24262     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
24263     if (xml->xml_class != JSXML_CLASS_ELEMENT)
24264         goto done;
24265     if (argc <= 1) {
24266         value = STRING_TO_JSVAL((cx->runtime->atomState.typeAtoms[JSTYPE_VOID]));
24267     } else {
24268         value = vp[3];
24269         vxml = (!JSVAL_IS_PRIMITIVE(value) && JSVAL_TO_OBJECT(value)->isXML())
24270                ? (JSXML *) JSVAL_TO_OBJECT(value)->getPrivate()
24271                : __null;
24272         if (!vxml) {
24273             if (!JS_ConvertValue(cx, value, JSTYPE_STRING, &vp[3]))
24274                 return (JSIntn)0;
24275             value = vp[3];
24276         } else {
24277             vxml = DeepCopy(cx, vxml, __null, 0);
24278             if (!vxml)
24279                 return (JSIntn)0;
24280             value = vp[3] = OBJECT_TO_JSVAL(vxml->object);
24281         }
24282     }
24283     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
24284     if (!xml)
24285         return (JSIntn)0;
24286     bool haveIndex;
24287     if (argc == 0) {
24288         haveIndex = false;
24289     } else {
24290         if (!js_IdValIsIndex(cx, vp[2], &index, &haveIndex))
24291             return (JSIntn)0;
24292     }
24293     if (!haveIndex) {
24294         if (!QNameHelper(cx, __null, argc == 0 ? -1 : 1, vp + 2, vp))
24295             return (JSIntn)0;
24296         ((void) 0);
24297         nameqn = JSVAL_TO_OBJECT(*vp);
24298         i = xml->u.list.kids.length;
24299         index = ((uint32) -1);
24300         while (i != 0) {
24301             --i;
24302             kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
24303             if (kid && MatchElemName(nameqn, kid)) {
24304                 if (i != ((uint32) -1))
24305                     DeleteByIndex(cx, xml, i);
24306                 index = i;
24307             }
24308         }
24309         if (index == ((uint32) -1))
24310             goto done;
24311     }
24312     if (!Replace(cx, xml, index, value))
24313         return (JSIntn)0;
24314   done:
24315     *vp = OBJECT_TO_JSVAL(obj);
24316     return (JSIntn)1;
24317 }
24318 static JSBool
24319 xml_setChildren(JSContext *cx, uintN argc, jsval *vp)
24320 {
24321     JSObject *obj;
24322     if (!StartNonListXMLMethod(cx, vp, &obj))
24323         return (JSIntn)0;
24324     *vp = argc != 0 ? vp[2] : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
24325     if (!PutProperty(cx, obj, ATOM_TO_JSID(cx->runtime->atomState.starAtom), false, vp))
24326         return (JSIntn)0;
24327     *vp = OBJECT_TO_JSVAL(obj);
24328     return (JSIntn)1;
24329 }
24330 static JSBool
24331 xml_setLocalName(JSContext *cx, uintN argc, jsval *vp)
24332 {
24333     jsval name;
24334     JSObject *nameqn;
24335     JSLinearString *namestr;
24336     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
24337     if (!((uintN)(((xml)->xml_class) - JSXML_CLASS_ELEMENT) <= (uintN)(JSXML_CLASS_PROCESSING_INSTRUCTION - JSXML_CLASS_ELEMENT)))
24338         return (JSIntn)1;
24339     if (argc == 0) {
24340         namestr = (cx->runtime->atomState.typeAtoms[JSTYPE_VOID]);
24341     } else {
24342         name = vp[2];
24343         if (!JSVAL_IS_PRIMITIVE(name) &&
24344             JSVAL_TO_OBJECT(name)->getClass() == &js_QNameClass) {
24345             nameqn = JSVAL_TO_OBJECT(name);
24346             namestr = nameqn->getQNameLocalName();
24347         } else {
24348             if (!JS_ConvertValue(cx, name, JSTYPE_STRING, &vp[2]))
24349                 return (JSIntn)0;
24350             name = vp[2];
24351             namestr = JSVAL_TO_STRING(name)->ensureLinear(cx);
24352             if (!namestr)
24353                 return (JSIntn)0;
24354         }
24355     }
24356     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
24357     if (!xml)
24358         return (JSIntn)0;
24359     if (namestr)
24360         xml->name->setQNameLocalName(namestr);
24361     return (JSIntn)1;
24362 }
24363 static JSBool
24364 xml_setName(JSContext *cx, uintN argc, jsval *vp)
24365 {
24366     jsval name;
24367     JSObject *nameqn;
24368     JSXML *nsowner;
24369     JSXMLArray *nsarray;
24370     uint32 i, n;
24371     JSObject *ns;
24372     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
24373     if (!((uintN)(((xml)->xml_class) - JSXML_CLASS_ELEMENT) <= (uintN)(JSXML_CLASS_PROCESSING_INSTRUCTION - JSXML_CLASS_ELEMENT)))
24374         return (JSIntn)1;
24375     if (argc == 0) {
24376         name = STRING_TO_JSVAL((cx->runtime->atomState.typeAtoms[JSTYPE_VOID]));
24377     } else {
24378         name = vp[2];
24379         if (!JSVAL_IS_PRIMITIVE(name) &&
24380             JSVAL_TO_OBJECT(name)->getClass() == &js_QNameClass &&
24381             !(nameqn = JSVAL_TO_OBJECT(name))->getNameURI()) {
24382             name = vp[2] = nameqn->getQNameLocalNameVal();
24383         }
24384     }
24385     nameqn = js_ConstructObject(cx, &js_QNameClass, __null, __null, 1, Valueify(&name));
24386     if (!nameqn)
24387         return (JSIntn)0;
24388     if (xml->xml_class == JSXML_CLASS_PROCESSING_INSTRUCTION)
24389         nameqn->setNameURI(cx->runtime->emptyString);
24390     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
24391     if (!xml)
24392         return (JSIntn)0;
24393     xml->name = nameqn;
24394     if (xml->xml_class == JSXML_CLASS_ELEMENT) {
24395         nsowner = xml;
24396     } else {
24397         if (!xml->parent || xml->parent->xml_class != JSXML_CLASS_ELEMENT)
24398             return (JSIntn)1;
24399         nsowner = xml->parent;
24400     }
24401     if (nameqn->getNamePrefix()) {
24402         ns = GetNamespace(cx, nameqn, &nsowner->u.elem.namespaces);
24403         if (!ns)
24404             return (JSIntn)0;
24405         if ((XMLArrayFindMember(&nsowner->u.elem.namespaces, (void *)(ns), __null) != ((uint32) -1)))
24406             return (JSIntn)1;
24407     } else {
24408         ((void) 0);
24409         nsarray = &nsowner->u.elem.namespaces;
24410         for (i = 0, n = nsarray->length; i < n; i++) {
24411             ns = (((i) < (nsarray)->length) ? (JSObject *) (nsarray)->vector[i] : __null);
24412             if (ns && EqualStrings(ns->getNameURI(), nameqn->getNameURI())) {
24413                 nameqn->setNamePrefix(ns->getNamePrefix());
24414                 return (JSIntn)1;
24415             }
24416         }
24417         ns = NewXMLNamespace(cx, __null, nameqn->getNameURI(), (JSIntn)1);
24418         if (!ns)
24419             return (JSIntn)0;
24420     }
24421     if (!AddInScopeNamespace(cx, nsowner, ns))
24422         return (JSIntn)0;
24423     vp[0] = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
24424     return (JSIntn)1;
24425 }
24426 static JSBool
24427 xml_setNamespace(JSContext *cx, uintN argc, jsval *vp)
24428 {
24429     JSObject *qn;
24430     JSObject *ns;
24431     jsval qnargv[2];
24432     JSXML *nsowner;
24433     JSObject *obj; JSXML *xml = StartNonListXMLMethod(cx, vp, &obj); if (!xml) return (JSIntn)0; ((void) 0);
24434     if (!((uintN)(((xml)->xml_class) - JSXML_CLASS_ELEMENT) <= (uintN)(JSXML_CLASS_PROCESSING_INSTRUCTION - JSXML_CLASS_ELEMENT)))
24435         return (JSIntn)1;
24436     xml = (xml->object == obj ? xml : CopyOnWrite(cx, xml, obj));
24437     if (!xml)
24438         return (JSIntn)0;
24439     ns = js_ConstructObject(cx, &js_NamespaceClass, __null, obj,
24440                             argc == 0 ? 0 : 1, Valueify(vp + 2));
24441     if (!ns)
24442         return (JSIntn)0;
24443     vp[0] = OBJECT_TO_JSVAL(ns);
24444     ns->setNamespaceDeclared(((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)1)));
24445     qnargv[0] = OBJECT_TO_JSVAL(ns);
24446     qnargv[1] = OBJECT_TO_JSVAL(xml->name);
24447     qn = js_ConstructObject(cx, &js_QNameClass, __null, __null, 2, Valueify(qnargv));
24448     if (!qn)
24449         return (JSIntn)0;
24450     xml->name = qn;
24451     if (xml->xml_class == JSXML_CLASS_ELEMENT) {
24452         nsowner = xml;
24453     } else {
24454         if (!xml->parent || xml->parent->xml_class != JSXML_CLASS_ELEMENT)
24455             return (JSIntn)1;
24456         nsowner = xml->parent;
24457     }
24458     if (!AddInScopeNamespace(cx, nsowner, ns))
24459         return (JSIntn)0;
24460     vp[0] = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
24461     return (JSIntn)1;
24462 }
24463 static JSBool
24464 xml_text_helper(JSContext *cx, JSObject *obj, JSXML *xml, jsval *vp)
24465 {
24466     JSXML *list, *kid, *vxml;
24467     uint32 i, n;
24468     JSBool ok;
24469     JSObject *kidobj;
24470     jsval v;
24471     list = xml_list_helper(cx, xml, vp);
24472     if (!list)
24473         return (JSIntn)0;
24474     if (xml->xml_class == JSXML_CLASS_LIST) {
24475         ok = (JSIntn)1;
24476         for (i = 0, n = xml->u.list.kids.length; i < n; i++) {
24477             kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
24478             if (kid && kid->xml_class == JSXML_CLASS_ELEMENT) {
24479                 ok = js_EnterLocalRootScope(cx);
24480                 if (!ok)
24481                     break;
24482                 kidobj = js_GetXMLObject(cx, kid);
24483                 if (kidobj) {
24484                     ok = xml_text_helper(cx, kidobj, kid, &v);
24485                 } else {
24486                     ok = (JSIntn)0;
24487                     v = ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0));
24488                 }
24489                 js_LeaveLocalRootScopeWithResult(cx, Valueify(v));
24490                 if (!ok)
24491                     return (JSIntn)0;
24492                 vxml = (JSXML *) JSVAL_TO_OBJECT(v)->getPrivate();
24493                 if (((((vxml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (vxml)->u.list.kids.length : 0) != 0 && !Append(cx, list, vxml))
24494                     return (JSIntn)0;
24495             }
24496         }
24497     } else {
24498         for (i = 0, n = ((((xml)->xml_class) < JSXML_CLASS_ATTRIBUTE) ? (xml)->u.list.kids.length : 0); i < n; i++) {
24499             kid = (((i) < (&xml->u.list.kids)->length) ? (JSXML *) (&xml->u.list.kids)->vector[i] : __null);
24500             if (kid && kid->xml_class == JSXML_CLASS_TEXT) {
24501                 if (!Append(cx, list, kid))
24502                     return (JSIntn)0;
24503             }
24504         }
24505     }
24506     return (JSIntn)1;
24507 }
24508 static JSBool
24509 xml_text(JSContext *cx, uintN argc, jsval *vp)
24510 {
24511     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
24512     return xml_text_helper(cx, obj, xml, vp);
24513 }
24514 static JSString *
24515 xml_toString_helper(JSContext *cx, JSXML *xml)
24516 {
24517     JSString *str, *kidstr;
24518     if (xml->xml_class == JSXML_CLASS_ATTRIBUTE ||
24519         xml->xml_class == JSXML_CLASS_TEXT) {
24520         return xml->u.value;
24521     }
24522     if (!HasSimpleContent(xml))
24523         return ToXMLString(cx, OBJECT_TO_JSVAL(xml->object), 0);
24524     str = cx->runtime->emptyString;
24525     if (!js_EnterLocalRootScope(cx))
24526         return __null;
24527     JSXMLArrayCursor cursor(&xml->u.list.kids);
24528     while (JSXML *kid = (JSXML *) cursor.getNext()) {
24529         if (kid->xml_class != JSXML_CLASS_COMMENT &&
24530             kid->xml_class != JSXML_CLASS_PROCESSING_INSTRUCTION) {
24531             kidstr = xml_toString_helper(cx, kid);
24532             if (!kidstr) {
24533                 str = __null;
24534                 break;
24535             }
24536             str = js_ConcatStrings(cx, str, kidstr);
24537             if (!str)
24538                 break;
24539         }
24540     }
24541     js_LeaveLocalRootScopeWithResult(cx, str);
24542     return str;
24543 }
24544 static JSBool
24545 xml_toSource(JSContext *cx, uintN argc, jsval *vp)
24546 {
24547     JSObject *obj = ToObject(cx, Valueify(&vp[1]));
24548     if (!obj)
24549         return (JSIntn)0;
24550     JSString *str = ToXMLString(cx, OBJECT_TO_JSVAL(obj), 0x80000000);
24551     if (!str)
24552         return (JSIntn)0;
24553     *vp = STRING_TO_JSVAL(str);
24554     return (JSIntn)1;
24555 }
24556 static JSBool
24557 xml_toString(JSContext *cx, uintN argc, jsval *vp)
24558 {
24559     JSString *str;
24560     JSObject *obj = ToObject(cx, Valueify(&vp[1])); if (!obj) return (JSIntn)0; JSXML *xml = (JSXML *)GetInstancePrivate(cx, obj, &js_XMLClass, Valueify(vp+2)); if (!xml) return (JSIntn)0;
24561     str = xml_toString_helper(cx, xml);
24562     if (!str)
24563         return (JSIntn)0;
24564     *vp = STRING_TO_JSVAL(str);
24565     return (JSIntn)1;
24566 }
24567 static JSBool
24568 xml_toXMLString(JSContext *cx, uintN argc, jsval *vp)
24569 {
24570     JSObject *obj = ToObject(cx, Valueify(&vp[1]));
24571     if (!obj)
24572         return (JSIntn)0;
24573     JSString *str = ToXMLString(cx, OBJECT_TO_JSVAL(obj), 0);
24574     if (!str)
24575         return (JSIntn)0;
24576     *vp = STRING_TO_JSVAL(str);
24577     return (JSIntn)1;
24578 }
24579 static JSBool
24580 xml_valueOf(JSContext *cx, uintN argc, jsval *vp)
24581 {
24582     JSObject *obj = ToObject(cx, Valueify(&vp[1]));
24583     if (!obj)
24584         return false;
24585     *vp = OBJECT_TO_JSVAL(obj);
24586     return true;
24587 }
24588 static JSFunctionSpec xml_methods[] = {
24589     {"addNamespace", ((JSNative)(xml_addNamespace)), 1, (0) | 0x1000},
24590     {"appendChild", ((JSNative)(xml_appendChild)), 1, (0) | 0x1000},
24591     {js_attribute_str, ((JSNative)(xml_attribute)), 1, (0) | 0x1000},
24592     {"attributes", ((JSNative)(xml_attributes)), 0, (0) | 0x1000},
24593     {"child", ((JSNative)(xml_child)), 1, (0) | 0x1000},
24594     {"childIndex", ((JSNative)(xml_childIndex)), 0, (0) | 0x1000},
24595     {"children", ((JSNative)(xml_children)), 0, (0) | 0x1000},
24596     {"comments", ((JSNative)(xml_comments)), 0, (0) | 0x1000},
24597     {"contains", ((JSNative)(xml_contains)), 1, (0) | 0x1000},
24598     {"copy", ((JSNative)(xml_copy)), 0, (0) | 0x1000},
24599     {"descendants", ((JSNative)(xml_descendants)), 1, (0) | 0x1000},
24600     {"elements", ((JSNative)(xml_elements)), 1, (0) | 0x1000},
24601     {"hasOwnProperty", ((JSNative)(xml_hasOwnProperty)), 1, (0) | 0x1000},
24602     {"hasComplexContent", ((JSNative)(xml_hasComplexContent)), 1, (0) | 0x1000},
24603     {"hasSimpleContent", ((JSNative)(xml_hasSimpleContent)), 1, (0) | 0x1000},
24604     {"inScopeNamespaces", ((JSNative)(xml_inScopeNamespaces)), 0, (0) | 0x1000},
24605     {"insertChildAfter", ((JSNative)(xml_insertChildAfter)), 2, (0) | 0x1000},
24606     {"insertChildBefore", ((JSNative)(xml_insertChildBefore)), 2, (0) | 0x1000},
24607     {js_length_str, ((JSNative)(xml_length)), 0, (0) | 0x1000},
24608     {js_localName_str, ((JSNative)(xml_localName)), 0, (0) | 0x1000},
24609     {js_name_str, ((JSNative)(xml_name)), 0, (0) | 0x1000},
24610     {js_namespace_str, ((JSNative)(xml_namespace)), 1, (0) | 0x1000},
24611     {"namespaceDeclarations", ((JSNative)(xml_namespaceDeclarations)), 0, (0) | 0x1000},
24612     {"nodeKind", ((JSNative)(xml_nodeKind)), 0, (0) | 0x1000},
24613     {"normalize", ((JSNative)(xml_normalize)), 0, (0) | 0x1000},
24614     {js_xml_parent_str, ((JSNative)(xml_parent)), 0, (0) | 0x1000},
24615     {"processingInstructions", ((JSNative)(xml_processingInstructions)), 1, (0) | 0x1000},
24616     {"prependChild", ((JSNative)(xml_prependChild)), 1, (0) | 0x1000},
24617     {"propertyIsEnumerable", ((JSNative)(xml_propertyIsEnumerable)), 1, (0) | 0x1000},
24618     {"removeNamespace", ((JSNative)(xml_removeNamespace)), 1, (0) | 0x1000},
24619     {"replace", ((JSNative)(xml_replace)), 2, (0) | 0x1000},
24620     {"setChildren", ((JSNative)(xml_setChildren)), 1, (0) | 0x1000},
24621     {"setLocalName", ((JSNative)(xml_setLocalName)), 1, (0) | 0x1000},
24622     {"setName", ((JSNative)(xml_setName)), 1, (0) | 0x1000},
24623     {"setNamespace", ((JSNative)(xml_setNamespace)), 1, (0) | 0x1000},
24624     {js_text_str, ((JSNative)(xml_text)), 0, (0) | 0x1000},
24625     {js_toSource_str, ((JSNative)(xml_toSource)), 0, (0) | 0x1000},
24626     {js_toString_str, ((JSNative)(xml_toString)), 0, (0) | 0x1000},
24627     {js_toXMLString_str, ((JSNative)(xml_toXMLString)), 0, (0) | 0x1000},
24628     {js_valueOf_str, ((JSNative)(xml_valueOf)), 0, (0) | 0x1000},
24629     {__null, __null, 0, 0}
24630 };
24631 static JSBool
24632 CopyXMLSettings(JSContext *cx, JSObject *from, JSObject *to)
24633 {
24634     int i;
24635     const char *name;
24636     jsval v;
24637     for (i = 0; xml_static_props[i].name; i++) {
24638         name = xml_static_props[i].name;
24639         if (!JS_GetProperty(cx, from, name, &v))
24640             return false;
24641         if (name == js_prettyIndent_str) {
24642             if (!JSVAL_IS_NUMBER(v))
24643                 continue;
24644         } else {
24645             if (!JSVAL_IS_BOOLEAN(v))
24646                 continue;
24647         }
24648         if (!JS_SetProperty(cx, to, name, &v))
24649             return false;
24650     }
24651     return true;
24652 }
24653 static JSBool
24654 SetDefaultXMLSettings(JSContext *cx, JSObject *obj)
24655 {
24656     int i;
24657     jsval v;
24658     for (i = 0; xml_static_props[i].name; i++) {
24659         v = (xml_static_props[i].name != js_prettyIndent_str)
24660             ? ((((uint64)(uint32)(JSVAL_TAG_BOOLEAN)) << 47) | ((JSIntn)1)) : INT_TO_JSVAL(2);
24661         if (!JS_SetProperty(cx, obj, xml_static_props[i].name, &v))
24662             return (JSIntn)0;
24663     }
24664     return true;
24665 }
24666 static JSBool
24667 xml_settings(JSContext *cx, uintN argc, jsval *vp)
24668 {
24669     JSObject *settings = JS_NewObject(cx, __null, __null, __null);
24670     if (!settings)
24671         return false;
24672     *vp = OBJECT_TO_JSVAL(settings);
24673     JSObject *obj = ToObject(cx, Valueify(&vp[1]));
24674     if (!obj)
24675         return false;
24676     return CopyXMLSettings(cx, obj, settings);
24677 }
24678 static JSBool
24679 xml_setSettings(JSContext *cx, uintN argc, jsval *vp)
24680 {
24681     JSObject *settings;
24682     jsval v;
24683     JSBool ok;
24684     JSObject *obj = ToObject(cx, Valueify(&vp[1]));
24685     if (!obj)
24686         return (JSIntn)0;
24687     v = (argc == 0) ? ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0)) : vp[2];
24688     if (JSVAL_IS_NULL(v) || JSVAL_IS_VOID(v)) {
24689         ok = SetDefaultXMLSettings(cx, obj);
24690     } else {
24691         if (JSVAL_IS_PRIMITIVE(v))
24692             return (JSIntn)1;
24693         settings = JSVAL_TO_OBJECT(v);
24694         ok = CopyXMLSettings(cx, settings, obj);
24695     }
24696     return ok;
24697 }
24698 static JSBool
24699 xml_defaultSettings(JSContext *cx, uintN argc, jsval *vp)
24700 {
24701     JSObject *settings;
24702     settings = JS_NewObject(cx, __null, __null, __null);
24703     if (!settings)
24704         return (JSIntn)0;
24705     *vp = OBJECT_TO_JSVAL(settings);
24706     return SetDefaultXMLSettings(cx, settings);
24707 }
24708 static JSFunctionSpec xml_static_methods[] = {
24709     {"settings", ((JSNative)(xml_settings)), 0, (0) | 0x1000},
24710     {"setSettings", ((JSNative)(xml_setSettings)), 1, (0) | 0x1000},
24711     {"defaultSettings", ((JSNative)(xml_defaultSettings)), 0, (0) | 0x1000},
24712     {__null, __null, 0, 0}
24713 };
24714 static JSBool
24715 XML(JSContext *cx, uintN argc, Value *vp)
24716 {
24717     JSXML *xml, *copy;
24718     JSObject *xobj, *vobj;
24719     Class *clasp;
24720     jsval v = argc ? Jsvalify(vp[2]) : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
24721     if (JSVAL_IS_NULL(v) || JSVAL_IS_VOID(v))
24722         v = STRING_TO_JSVAL(cx->runtime->emptyString);
24723     xobj = ToXML(cx, v);
24724     if (!xobj)
24725         return (JSIntn)0;
24726     xml = (JSXML *) xobj->getPrivate();
24727     if (IsConstructing(vp) && !JSVAL_IS_PRIMITIVE(v)) {
24728         vobj = JSVAL_TO_OBJECT(v);
24729         clasp = vobj->getClass();
24730         if (clasp == &js_XMLClass ||
24731             (clasp->flags & (1<<7))) {
24732             copy = DeepCopy(cx, xml, __null, 0);
24733             if (!copy)
24734                 return (JSIntn)0;
24735             vp->setObject(*copy->object);
24736             return (JSIntn)1;
24737         }
24738     }
24739     vp->setObject(*xobj);
24740     return (JSIntn)1;
24741 }
24742 static JSBool
24743 XMLList(JSContext *cx, uintN argc, jsval *vp)
24744 {
24745     JSObject *vobj, *listobj;
24746     JSXML *xml, *list;
24747     jsval v = argc ? vp[2] : ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
24748     if (JSVAL_IS_NULL(v) || JSVAL_IS_VOID(v))
24749         v = STRING_TO_JSVAL(cx->runtime->emptyString);
24750     if (IsConstructing(Valueify(vp)) && !JSVAL_IS_PRIMITIVE(v)) {
24751         vobj = JSVAL_TO_OBJECT(v);
24752         if (vobj->isXML()) {
24753             xml = (JSXML *) vobj->getPrivate();
24754             if (xml->xml_class == JSXML_CLASS_LIST) {
24755                 listobj = js_NewXMLObject(cx, JSXML_CLASS_LIST);
24756                 if (!listobj)
24757                     return (JSIntn)0;
24758                 *vp = OBJECT_TO_JSVAL(listobj);
24759                 list = (JSXML *) listobj->getPrivate();
24760                 if (!Append(cx, list, xml))
24761                     return (JSIntn)0;
24762                 return (JSIntn)1;
24763             }
24764         }
24765     }
24766     listobj = ToXMLList(cx, v);
24767     if (!listobj)
24768         return (JSIntn)0;
24769     *vp = OBJECT_TO_JSVAL(listobj);
24770     return (JSIntn)1;
24771 }
24772 JSXML *
24773 js_NewXML(JSContext *cx, JSXMLClass xml_class)
24774 {
24775     JSXML *xml = js_NewGCXML(cx);
24776     if (!xml)
24777         return __null;
24778     xml->object = __null;
24779     xml->domnode = __null;
24780     xml->parent = __null;
24781     xml->name = __null;
24782     xml->xml_class = xml_class;
24783     xml->xml_flags = 0;
24784     if (((xml_class) >= JSXML_CLASS_ATTRIBUTE)) {
24785         xml->u.value = cx->runtime->emptyString;
24786     } else {
24787         xml->u.list.kids.init();
24788         if (xml_class == JSXML_CLASS_LIST) {
24789             xml->u.list.target = __null;
24790             xml->u.list.targetprop = __null;
24791         } else {
24792             xml->u.elem.namespaces.init();
24793             xml->u.elem.attrs.init();
24794         }
24795     }
24796     ;
24797     return xml;
24798 }
24799 void
24800 js_TraceXML(JSTracer *trc, JSXML *xml)
24801 {
24802     if (xml->object)
24803         MarkObject(trc, *xml->object, "object");
24804     if (xml->name)
24805         MarkObject(trc, *xml->name, "name");
24806     if (xml->parent)
24807         do { do { } while (0); JS_CallTracer((trc), (xml->parent), (2)); } while (0);
24808     if ((((xml)->xml_class) >= JSXML_CLASS_ATTRIBUTE)) {
24809         if (xml->u.value)
24810             MarkString(trc, xml->u.value, "value");
24811         return;
24812     }
24813     xml_trace_vector(trc,
24814                      (JSXML **) xml->u.list.kids.vector,
24815                      xml->u.list.kids.length);
24816     XMLArrayCursorTrace(trc, xml->u.list.kids.cursors);
24817     if (((trc)->callback == __null))
24818         xml->u.list.kids.trim();
24819     if (xml->xml_class == JSXML_CLASS_LIST) {
24820         if (xml->u.list.target)
24821             do { do { } while (0); JS_CallTracer((trc), (xml->u.list.target), (2)); } while (0);
24822         if (xml->u.list.targetprop)
24823             MarkObject(trc, *xml->u.list.targetprop, "targetprop");
24824     } else {
24825         MarkObjectRange(trc, xml->u.elem.namespaces.length,
24826                         (JSObject **) xml->u.elem.namespaces.vector,
24827                         "xml_namespaces");
24828         XMLArrayCursorTrace(trc, xml->u.elem.namespaces.cursors);
24829         if (((trc)->callback == __null))
24830             xml->u.elem.namespaces.trim();
24831         xml_trace_vector(trc,
24832                          (JSXML **) xml->u.elem.attrs.vector,
24833                          xml->u.elem.attrs.length);
24834         XMLArrayCursorTrace(trc, xml->u.elem.attrs.cursors);
24835         if (((trc)->callback == __null))
24836             xml->u.elem.attrs.trim();
24837     }
24838 }
24839 JSObject *
24840 js_NewXMLObject(JSContext *cx, JSXMLClass xml_class)
24841 {
24842     JSXML *xml = js_NewXML(cx, xml_class);
24843     if (!xml)
24844         return __null;
24845     AutoXMLRooter root(cx, xml);
24846     return js_GetXMLObject(cx, xml);
24847 }
24848 static JSObject *
24849 NewXMLObject(JSContext *cx, JSXML *xml)
24850 {
24851     JSObject *obj;
24852     obj = NewNonFunction<WithProto::Class>(cx, &js_XMLClass, __null, __null);
24853     if (!obj)
24854         return __null;
24855     obj->setPrivate(xml);
24856     ;
24857     return obj;
24858 }
24859 JSObject *
24860 js_GetXMLObject(JSContext *cx, JSXML *xml)
24861 {
24862     JSObject *obj;
24863     obj = xml->object;
24864     if (obj) {
24865         ((void) 0);
24866         return obj;
24867     }
24868     obj = NewXMLObject(cx, xml);
24869     if (!obj)
24870         return __null;
24871     xml->object = obj;
24872     return obj;
24873 }
24874 JSObject *
24875 js_InitNamespaceClass(JSContext *cx, JSObject *obj)
24876 {
24877     return js_InitClass(cx, obj, __null, &js_NamespaceClass, Namespace, 2,
24878                         namespace_props, namespace_methods, __null, __null);
24879 }
24880 JSObject *
24881 js_InitQNameClass(JSContext *cx, JSObject *obj)
24882 {
24883     return js_InitClass(cx, obj, __null, &js_QNameClass, QName, 2,
24884                         qname_props, qname_methods, __null, __null);
24885 }
24886 JSObject *
24887 js_InitXMLClass(JSContext *cx, JSObject *obj)
24888 {
24889     JSObject *proto, *pobj;
24890     JSFunction *fun;
24891     JSXML *xml;
24892     JSProperty *prop;
24893     Shape *shape;
24894     jsval cval, vp[3];
24895     if (!JS_DefineFunction(cx, obj, js_isXMLName_str, xml_isXMLName, 1, 0))
24896         return __null;
24897     proto = js_InitClass(cx, obj, __null, &js_XMLClass, XML, 1,
24898                          __null, xml_methods,
24899                          xml_static_props, xml_static_methods);
24900     if (!proto)
24901         return __null;
24902     xml = js_NewXML(cx, JSXML_CLASS_TEXT);
24903     if (!xml)
24904         return __null;
24905     proto->setPrivate(xml);
24906     xml->object = proto;
24907     ;
24908     if (!js_LookupProperty(cx, proto,
24909                            ATOM_TO_JSID(cx->runtime->atomState.constructorAtom),
24910                            &pobj, &prop)) {
24911         return __null;
24912     }
24913     ((void) 0);
24914     shape = (Shape *) prop;
24915     cval = Jsvalify(pobj->nativeGetSlot(shape->slot));
24916     ((void) 0);
24917     vp[0] = ((((uint64)(uint32)(JSVAL_TAG_NULL)) << 47) | (0));
24918     vp[1] = cval;
24919     vp[2] = ((((uint64)(uint32)(JSVAL_TAG_UNDEFINED)) << 47) | (0));
24920     if (!xml_setSettings(cx, 1, vp))
24921         return __null;
24922     fun = JS_DefineFunction(cx, obj, js_XMLList_str, XMLList, 1, 0x0200);
24923     if (!fun)
24924         return __null;
24925     if (!js_SetClassPrototype(cx, (static_cast<JSObject *>(fun)), proto,
24926                               0x02 | 0x04)) {
24927         return __null;
24928     }
24929     return proto;
24930 }
24931 JSObject *
24932 js_InitXMLClasses(JSContext *cx, JSObject *obj)
24933 {
24934     if (!js_InitNamespaceClass(cx, obj))
24935         return __null;
24936     if (!js_InitQNameClass(cx, obj))
24937         return __null;
24938     return js_InitXMLClass(cx, obj);
24939 }
24940 JSBool
24941 js_GetFunctionNamespace(JSContext *cx, Value *vp)
24942 {
24943     JSObject *global = cx->hasfp() ? cx->fp()->scopeChain().getGlobal() : cx->globalObject;
24944     *vp = global->getReservedSlot(((((JSProto_LIMIT * 3) + 1) + 1) + 1));
24945     if (vp->isUndefined()) {
24946         JSRuntime *rt = cx->runtime;
24947         JSLinearString *prefix = rt->atomState.typeAtoms[JSTYPE_FUNCTION];
24948         JSLinearString *uri = rt->atomState.functionNamespaceURIAtom;
24949         JSObject *obj = NewXMLNamespace(cx, prefix, uri, (JSIntn)0);
24950         if (!obj)
24951             return false;
24952         obj->clearProto();
24953         vp->setObject(*obj);
24954         if (!js_SetReservedSlot(cx, global, ((((JSProto_LIMIT * 3) + 1) + 1) + 1), *vp))
24955             return false;
24956     }
24957     return true;
24958 }
24959 JSBool
24960 js_GetDefaultXMLNamespace(JSContext *cx, jsval *vp)
24961 {
24962     JSObject *ns, *obj, *tmp;
24963     jsval v;
24964     JSObject *scopeChain = GetScopeChain(cx);
24965     obj = __null;
24966     for (tmp = scopeChain; tmp; tmp = tmp->getParent()) {
24967         Class *clasp = tmp->getClass();
24968         if (clasp == &js_BlockClass || clasp == &js_WithClass)
24969             continue;
24970         if (!tmp->getProperty(cx, ((jsid)0x6), Valueify(&v)))
24971             return (JSIntn)0;
24972         if (!JSVAL_IS_PRIMITIVE(v)) {
24973             *vp = v;
24974             return (JSIntn)1;
24975         }
24976         obj = tmp;
24977     }
24978     ns = js_ConstructObject(cx, &js_NamespaceClass, __null, obj, 0, __null);
24979     if (!ns)
24980         return (JSIntn)0;
24981     v = OBJECT_TO_JSVAL(ns);
24982     if (!obj->defineProperty(cx, ((jsid)0x6), Valueify(v),
24983                              PropertyStub, StrictPropertyStub, 0x04)) {
24984         return (JSIntn)0;
24985     }
24986     *vp = v;
24987     return (JSIntn)1;
24988 }
24989 JSBool
24990 js_SetDefaultXMLNamespace(JSContext *cx, const Value &v)
24991 {
24992     Value argv[2];
24993     argv[0].setString(cx->runtime->emptyString);
24994     argv[1] = v;
24995     JSObject *ns = js_ConstructObject(cx, &js_NamespaceClass, __null, __null, 2, argv);
24996     if (!ns)
24997         return (JSIntn)0;
24998     JSStackFrame *fp = js_GetTopStackFrame(cx);
24999     JSObject &varobj = fp->varobj(cx);
25000     if (!varobj.defineProperty(cx, ((jsid)0x6), ObjectValue(*ns),
25001                                PropertyStub, StrictPropertyStub, 0x04)) {
25002         return (JSIntn)0;
25003     }
25004     return (JSIntn)1;
25005 }
25006 JSBool
25007 js_ToAttributeName(JSContext *cx, Value *vp)
25008 {
25009     JSObject *qn;
25010     qn = ToAttributeName(cx, Jsvalify(*vp));
25011     if (!qn)
25012         return (JSIntn)0;
25013     vp->setObject(*qn);
25014     return (JSIntn)1;
25015 }
25016 JSFlatString *
25017 js_EscapeAttributeValue(JSContext *cx, JSString *str, JSBool quote)
25018 {
25019     StringBuffer sb(cx);
25020     return EscapeAttributeValue(cx, sb, str, quote);
25021 }
25022 JSString *
25023 js_AddAttributePart(JSContext *cx, JSBool isName, JSString *str, JSString *str2)
25024 {
25025     size_t len = str->length();
25026     const jschar *chars = str->getChars(cx);
25027     if (!chars)
25028         return __null;
25029     size_t len2 = str2->length();
25030     const jschar *chars2 = str2->getChars(cx);
25031     if (!chars2)
25032         return __null;
25033     size_t newlen = (isName) ? len + 1 + len2 : len + 2 + len2 + 1;
25034     jschar *newchars = (jschar *) cx->malloc((newlen+1) * sizeof(jschar));
25035     if (!newchars)
25036         return __null;
25037     memcpy((newchars), (chars), (len) * sizeof(jschar));
25038     newchars += len;
25039     if (isName) {
25040         *newchars++ = ' ';
25041         memcpy((newchars), (chars2), (len2) * sizeof(jschar));
25042         newchars += len2;
25043     } else {
25044         *newchars++ = '=';
25045         *newchars++ = '"';
25046         memcpy((newchars), (chars2), (len2) * sizeof(jschar));
25047         newchars += len2;
25048         *newchars++ = '"';
25049     }
25050     *newchars = 0;
25051     return js_NewString(cx, newchars - newlen, newlen);
25052 }
25053 JSFlatString *
25054 js_EscapeElementValue(JSContext *cx, JSString *str)
25055 {
25056     StringBuffer sb(cx);
25057     return EscapeElementValue(cx, sb, str, 0);
25058 }
25059 JSString *
25060 js_ValueToXMLString(JSContext *cx, const Value &v)
25061 {
25062     return ToXMLString(cx, Jsvalify(v), 0);
25063 }
25064 JSBool
25065 js_GetAnyName(JSContext *cx, jsid *idp)
25066 {
25067     JSObject *global = cx->hasfp() ? cx->fp()->scopeChain().getGlobal() : cx->globalObject;
25068     Value v = global->getReservedSlot(JSProto_AnyName);
25069     if (v.isUndefined()) {
25070         JSObject *obj = NewNonFunction<WithProto::Given>(cx, &js_AnyNameClass, __null, global);
25071         if (!obj)
25072             return false;
25073         ((void) 0);
25074         JSRuntime *rt = cx->runtime;
25075         InitXMLQName(obj, rt->emptyString, rt->emptyString,
25076                      (rt->atomState.starAtom));
25077         ;
25078         v.setObject(*obj);
25079         if (!js_SetReservedSlot(cx, global, JSProto_AnyName, v))
25080             return false;
25081     }
25082     *idp = OBJECT_TO_JSID(&v.toObject());
25083     return true;
25084 }
25085 JSBool
25086 js_FindXMLProperty(JSContext *cx, const Value &nameval, JSObject **objp, jsid *idp)
25087 {
25088     JSObject *nameobj;
25089     jsval v;
25090     JSObject *qn;
25091     jsid funid;
25092     JSObject *obj, *target, *proto, *pobj;
25093     JSXML *xml;
25094     JSBool found;
25095     JSProperty *prop;
25096     ((void) 0);
25097     nameobj = &nameval.toObject();
25098     if (nameobj->getClass() == &js_AnyNameClass) {
25099         v = STRING_TO_JSVAL((cx->runtime->atomState.starAtom));
25100         nameobj = js_ConstructObject(cx, &js_QNameClass, __null, __null, 1,
25101                                      Valueify(&v));
25102         if (!nameobj)
25103             return (JSIntn)0;
25104     } else {
25105         ((void) 0)
25106                                                         ;
25107     }
25108     qn = nameobj;
25109     if (!IsFunctionQName(cx, qn, &funid))
25110         return (JSIntn)0;
25111     obj = &js_GetTopStackFrame(cx)->scopeChain();
25112     do {
25113         target = obj;
25114         while (target->getClass() == &js_WithClass) {
25115              proto = target->getProto();
25116              if (!proto)
25117                  break;
25118              target = proto;
25119         }
25120         if (target->isXML()) {
25121             if (JSID_IS_VOID(funid)) {
25122                 xml = (JSXML *) target->getPrivate();
25123                 found = HasNamedProperty(xml, qn);
25124             } else {
25125                 if (!HasFunctionProperty(cx, target, funid, &found))
25126                     return (JSIntn)0;
25127             }
25128             if (found) {
25129                 *idp = OBJECT_TO_JSID(nameobj);
25130                 *objp = target;
25131                 return (JSIntn)1;
25132             }
25133         } else if (!JSID_IS_VOID(funid)) {
25134             if (!target->lookupProperty(cx, funid, &pobj, &prop))
25135                 return (JSIntn)0;
25136             if (prop) {
25137                 *idp = funid;
25138                 *objp = target;
25139                 return (JSIntn)1;
25140             }
25141         }
25142     } while ((obj = obj->getParent()) != __null);
25143     JSAutoByteString printable;
25144     JSString *str = ConvertQNameToString(cx, nameobj);
25145     if (str && js_ValueToPrintable(cx, StringValue(str), &printable)) {
25146         JS_ReportErrorFlagsAndNumber(cx, 0x0, js_GetErrorMessage, __null,
25147                                      JSMSG_UNDEFINED_XML_NAME, printable.ptr());
25148     }
25149     return (JSIntn)0;
25150 }
25151 static JSBool
25152 GetXMLFunction(JSContext *cx, JSObject *obj, jsid id, jsval *vp)
25153 {
25154     ((void) 0);
25155     JSObject *target = obj;
25156     AutoObjectRooter tvr(cx);
25157     for (;;) {
25158         if (!js_GetProperty(cx, target, id, Valueify(vp)))
25159             return false;
25160         if ((!JSVAL_IS_PRIMITIVE(*vp) && JSVAL_TO_OBJECT(*vp)->isFunction()))
25161             return true;
25162         target = target->getProto();
25163         if (target == __null || !target->isNative())
25164             break;
25165         tvr.setObject(target);
25166     }
25167     JSXML *xml = (JSXML *) obj->getPrivate();
25168     if (!HasSimpleContent(xml))
25169         return true;
25170     if (!js_GetClassPrototype(cx, __null, JSProto_String, tvr.addr()))
25171         return false;
25172     ((void) 0);
25173     return tvr.object()->getProperty(cx, id, Valueify(vp));
25174 }
25175 static JSXML *
25176 GetPrivate(JSContext *cx, JSObject *obj, const char *method)
25177 {
25178     JSXML *xml;
25179     xml = (JSXML *) GetInstancePrivate(cx, obj, &js_XMLClass, __null);
25180     if (!xml) {
25181         JS_ReportErrorNumber(cx, js_GetErrorMessage, __null,
25182                              JSMSG_INCOMPATIBLE_METHOD,
25183                              js_XML_str, method, obj->getClass()->name);
25184     }
25185     return xml;
25186 }
25187 JSBool
25188 js_GetXMLDescendants(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
25189 {
25190     JSXML *xml, *list;
25191     xml = GetPrivate(cx, obj, "descendants internal method");
25192     if (!xml)
25193         return (JSIntn)0;
25194     list = Descendants(cx, xml, id);
25195     if (!list)
25196         return (JSIntn)0;
25197     *vp = OBJECT_TO_JSVAL(list->object);
25198     return (JSIntn)1;
25199 }
25200 JSBool
25201 js_DeleteXMLListElements(JSContext *cx, JSObject *listobj)
25202 {
25203     JSXML *list;
25204     uint32 n;
25205     list = (JSXML *) listobj->getPrivate();
25206     for (n = list->u.list.kids.length; n != 0; --n)
25207         DeleteListElement(cx, list, 0);
25208     return (JSIntn)1;
25209 }
25210 struct JSXMLFilter
25211 {
25212     JSXML *list;
25213     JSXML *result;
25214     JSXML *kid;
25215     JSXMLArrayCursor cursor;
25216     JSXMLFilter(JSXML *list, JSXMLArray *array)
25217       : list(list), result(__null), kid(__null), cursor(array) {}
25218     ~JSXMLFilter() {}
25219 };
25220 static void
25221 xmlfilter_trace(JSTracer *trc, JSObject *obj)
25222 {
25223     JSXMLFilter *filter = (JSXMLFilter *) obj->getPrivate();
25224     if (!filter)
25225         return;
25226     ((void) 0);
25227     do { do { } while (0); JS_CallTracer((trc), (filter->list), (2)); } while (0);
25228     if (filter->result)
25229         do { do { } while (0); JS_CallTracer((trc), (filter->result), (2)); } while (0);
25230     if (filter->kid)
25231         do { do { } while (0); JS_CallTracer((trc), (filter->kid), (2)); } while (0);
25232 }
25233 static void
25234 xmlfilter_finalize(JSContext *cx, JSObject *obj)
25235 {
25236     JSXMLFilter *filter = (JSXMLFilter *) obj->getPrivate();
25237     if (!filter)
25238         return;
25239     cx->destroy(filter);
25240 }
25241 Class js_XMLFilterClass = {
25242     "XMLFilter",
25243     (1<<0) | (1<<((8 + 8)+1)) | (1<<((8 + 8)+3)),
25244     PropertyStub,
25245     PropertyStub,
25246     PropertyStub,
25247     StrictPropertyStub,
25248     EnumerateStub,
25249     ResolveStub,
25250     ConvertStub,
25251     xmlfilter_finalize,
25252     __null,
25253     __null,
25254     __null,
25255     __null,
25256     __null,
25257     __null,
25258     ((JSMarkOp)(xmlfilter_trace))
25259 };
25260 JSBool
25261 js_StepXMLListFilter(JSContext *cx, JSBool initialized)
25262 {
25263     jsval *sp;
25264     JSObject *obj, *filterobj, *resobj, *kidobj;
25265     JSXML *xml, *list;
25266     JSXMLFilter *filter;
25267     LeaveTrace(cx);
25268     sp = Jsvalify(cx->regs->sp);
25269     if (!initialized) {
25270         if (!(!JSVAL_IS_PRIMITIVE(sp[-2]) && JSVAL_TO_OBJECT(sp[-2])->isXML())) {
25271             ((void)js_ReportValueErrorFlags(cx, 0x0, JSMSG_NON_XML_FILTER, -2, Valueify(sp[-2]), __null, __null, __null));
25272             return (JSIntn)0;
25273         }
25274         obj = JSVAL_TO_OBJECT(sp[-2]);
25275         xml = (JSXML *) obj->getPrivate();
25276         if (xml->xml_class == JSXML_CLASS_LIST) {
25277             list = xml;
25278         } else {
25279             obj = js_NewXMLObject(cx, JSXML_CLASS_LIST);
25280             if (!obj)
25281                 return (JSIntn)0;
25282             sp[-1] = OBJECT_TO_JSVAL(obj);
25283             list = (JSXML *) obj->getPrivate();
25284             if (!Append(cx, list, xml))
25285                 return (JSIntn)0;
25286         }
25287         filterobj = NewNonFunction<WithProto::Given>(cx, &js_XMLFilterClass, __null, __null);
25288         if (!filterobj)
25289             return (JSIntn)0;
25290         filter = cx->create<JSXMLFilter>(list, &list->u.list.kids);
25291         if (!filter)
25292             return (JSIntn)0;
25293         filterobj->setPrivate(filter);
25294         sp[-2] = OBJECT_TO_JSVAL(filterobj);
25295         resobj = js_NewXMLObject(cx, JSXML_CLASS_LIST);
25296         if (!resobj)
25297             return (JSIntn)0;
25298         filter->result = (JSXML *) resobj->getPrivate();
25299     } else {
25300         ((void) 0);
25301         ((void) 0);
25302         filter = (JSXMLFilter *) JSVAL_TO_OBJECT(sp[-2])->getPrivate();
25303         ((void) 0);
25304         if (js_ValueToBoolean(Valueify(sp[-1])) &&
25305             !Append(cx, filter->result, filter->kid)) {
25306             return (JSIntn)0;
25307         }
25308     }
25309     filter->kid = (JSXML *) filter->cursor.getNext();
25310     if (!filter->kid) {
25311         filter->cursor.disconnect();
25312         ((void) 0);
25313         sp[-2] = OBJECT_TO_JSVAL(filter->result->object);
25314         kidobj = __null;
25315     } else {
25316         kidobj = js_GetXMLObject(cx, filter->kid);
25317         if (!kidobj)
25318             return (JSIntn)0;
25319     }
25320     sp[-1] = OBJECT_TO_JSVAL(kidobj);
25321     return (JSIntn)1;
25322 }
25323 JSObject *
25324 js_ValueToXMLObject(JSContext *cx, const Value &v)
25325 {
25326     return ToXML(cx, Jsvalify(v));
25327 }
25328 JSObject *
25329 js_ValueToXMLListObject(JSContext *cx, const Value &v)
25330 {
25331     return ToXMLList(cx, Jsvalify(v));
25332 }
25333 JSObject *
25334 js_NewXMLSpecialObject(JSContext *cx, JSXMLClass xml_class, JSString *name,
25335                        JSString *value)
25336 {
25337     uintN flags;
25338     JSObject *obj;
25339     JSXML *xml;
25340     JSObject *qn;
25341     if (!GetXMLSettingFlags(cx, &flags))
25342         return __null;
25343     if ((xml_class == JSXML_CLASS_COMMENT &&
25344          (flags & ((JSUint32)1 << (0)))) ||
25345         (xml_class == JSXML_CLASS_PROCESSING_INSTRUCTION &&
25346          (flags & ((JSUint32)1 << (1))))) {
25347         return js_NewXMLObject(cx, JSXML_CLASS_TEXT);
25348     }
25349     obj = js_NewXMLObject(cx, xml_class);
25350     if (!obj)
25351         return __null;
25352     xml = (JSXML *) obj->getPrivate();
25353     if (name) {
25354         JSLinearString *linearName = name->ensureLinear(cx);
25355         if (!linearName)
25356             return __null;
25357         qn = NewXMLQName(cx, cx->runtime->emptyString, __null, linearName);
25358         if (!qn)
25359             return __null;
25360         xml->name = qn;
25361     }
25362     xml->u.value = value;
25363     return obj;
25364 }
25365 JSString *
25366 js_MakeXMLCDATAString(JSContext *cx, JSString *str)
25367 {
25368     StringBuffer sb(cx);
25369     return MakeXMLCDATAString(cx, sb, str);
25370 }
25371 JSString *
25372 js_MakeXMLCommentString(JSContext *cx, JSString *str)
25373 {
25374     StringBuffer sb(cx);
25375     return MakeXMLCommentString(cx, sb, str);
25376 }
25377 JSString *
25378 js_MakeXMLPIString(JSContext *cx, JSString *name, JSString *str)
25379 {
25380     StringBuffer sb(cx);
25381     return MakeXMLPIString(cx, sb, name, str);
25382 }