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/*
 * SpiderMonkey host environment
 */

if(djConfig["baseUrl"]){
        dojo.baseUrl = djConfig["baseUrl"];
}else{
        dojo.baseUrl = "./";
}

dojo._name = 'spidermonkey';
dojo.isSpidermonkey = true;
dojo.exit = function(exitcode){ 
        quit(exitcode); 
}

if(typeof print == "function"){
        console.debug = print;
}

if(typeof line2pc == 'undefined'){
        throw new Error("attempt to use SpiderMonkey host environment when no 'line2pc' global");
}

dojo._spidermonkeyCurrentFile = function(depth){
        //      
        //      This is a hack that determines the current script file by parsing a
        //      generated stack trace (relying on the non-standard "stack" member variable
        //      of the SpiderMonkey Error object).
        //      
        //      If param depth is passed in, it'll return the script file which is that far down
        //      the stack, but that does require that you know how deep your stack is when you are
        //      calling.
        //      
    var s = '';
    try{
                throw Error("whatever");
        }catch(e){
                s = e.stack;
        }
    // lines are like: bu_getCurrentScriptURI_spidermonkey("ScriptLoader.js")@burst/Runtime.js:101
    var matches = s.match(/[^@]*\.js/gi);
    if(!matches){ 
                throw Error("could not parse stack string: '" + s + "'");
        }
    var fname = (typeof depth != 'undefined' && depth) ? matches[depth + 1] : matches[matches.length - 1];
    if(!fname){ 
                throw Error("could not find file name in stack string '" + s + "'");
        }
    //print("SpiderMonkeyRuntime got fname '" + fname + "' from stack string '" + s + "'");
    return fname;
}

// print(dojo._spidermonkeyCurrentFile(0)); 

dojo._loadUri = function(uri){
        // spidermonkey load() evaluates the contents into the global scope (which
        // is what we want).
        // TODO: sigh, load() does not return a useful value. 
        // Perhaps it is returning the value of the last thing evaluated?
        var ok = load(uri);
        // console.debug("spidermonkey load(", uri, ") returned ", ok);
        return 1;
}

//Register any module paths set up in djConfig. Need to do this
//in the hostenvs since hostenv_browser can read djConfig from a
//script tag's attribute.
if(djConfig["modulePaths"]){
        for(var param in djConfig["modulePaths"]){
                dojo.registerModulePath(param, djConfig["modulePaths"][param]);
        }
}