case FcOpNil: printf ("nil\n"); break;
case FcOpField: printf ("%s", FcObjectName(expr->u.object)); break;
case FcOpConst: printf ("%s", expr->u.constant); break;
case FcOpNil: printf ("nil\n"); break;
case FcOpField: printf ("%s", FcObjectName(expr->u.object)); break;
case FcOpConst: printf ("%s", expr->u.constant); break;