lib/dojo/_base/_loader/hostenv_spidermonkey.js

   1 /*
   2         Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7
   8 /*
   9  * SpiderMonkey host environment
  10  */
  11
  12 if(dojo.config["baseUrl"]){
  13         dojo.baseUrl = dojo.config["baseUrl"];
  14 }else{
  15         dojo.baseUrl = "./";
  16 }
  17
  18 dojo._name = 'spidermonkey';
  19
  20 /*=====
  21 dojo.isSpidermonkey = {
  22         // summary: Detect spidermonkey
  23 };
  24 =====*/
  25
  26 dojo.isSpidermonkey = true;
  27 dojo.exit = function(exitcode){
  28         quit(exitcode);
  29 }
  30
  31 if(typeof print == "function"){
  32         console.debug = print;
  33 }
  34
  35 if(typeof line2pc == 'undefined'){
  36         throw new Error("attempt to use SpiderMonkey host environment when no 'line2pc' global");
  37 }
  38
  39 dojo._spidermonkeyCurrentFile = function(depth){
  40         //
  41         //      This is a hack that determines the current script file by parsing a
  42         //      generated stack trace (relying on the non-standard "stack" member variable
  43         //      of the SpiderMonkey Error object).
  44         //
  45         //      If param depth is passed in, it'll return the script file which is that far down
  46         //      the stack, but that does require that you know how deep your stack is when you are
  47         //      calling.
  48         //
  49     var s = '';
  50     try{
  51                 throw Error("whatever");
  52         }catch(e){
  53                 s = e.stack;
  54         }
  55     // lines are like: bu_getCurrentScriptURI_spidermonkey("ScriptLoader.js")@burst/Runtime.js:101
  56     var matches = s.match(/[^@]*\.js/gi);
  57     if(!matches){
  58                 throw Error("could not parse stack string: '" + s + "'");
  59         }
  60     var fname = (typeof depth != 'undefined' && depth) ? matches[depth + 1] : matches[matches.length - 1];
  61     if(!fname){
  62                 throw Error("could not find file name in stack string '" + s + "'");
  63         }
  64     //print("SpiderMonkeyRuntime got fname '" + fname + "' from stack string '" + s + "'");
  65     return fname;
  66 }
  67
  68 // print(dojo._spidermonkeyCurrentFile(0));
  69
  70 dojo._loadUri = function(uri){
  71         // spidermonkey load() evaluates the contents into the global scope (which
  72         // is what we want).
  73         // TODO: sigh, load() does not return a useful value.
  74         // Perhaps it is returning the value of the last thing evaluated?
  75         var ok = load(uri);
  76         // console.log("spidermonkey load(", uri, ") returned ", ok);
  77         return 1;
  78 }
  79
  80 //Register any module paths set up in djConfig. Need to do this
  81 //in the hostenvs since hostenv_browser can read djConfig from a
  82 //script tag's attribute.
  83 if(dojo.config["modulePaths"]){
  84         for(var param in dojo.config["modulePaths"]){
  85                 dojo.registerModulePath(param, dojo.config["modulePaths"][param]);
  86         }
  87 }