plugin2

// executes the given code and handles the result
var run = function(code) {
    var result = {
        input: code,
        output: null,
        error: null
    };

    try {
        //result.output = stringify(runHidden(code));
        // don't stringify since we are doing a join now
        result.output = runHidden(code);
    } catch(e) {
        result.error = e.message;
    }

    if (result.output === 'undefined') {
      result.output = '';
    }
    
    application.remote.output(result);
}


// protects even the worker scope from being accessed
var runHidden = function(code) {
    var indexedDB = null;
    var location = null;
    var navigator = null;
    var onerror = null;
    var onmessage = null;
    var performance = null;
    var self = null;
    var webkitIndexedDB = null;
    var postMessage = null;
    var close = null;
    var openDatabase = null;
    var openDatabaseSync = null;
    var webkitRequestFileSystem = null;
    var webkitRequestFileSystemSync = null;
    var webkitResolveLocalFileSystemSyncURL = null;
    var webkitResolveLocalFileSystemURL = null;
    var addEventListener = null;
    var dispatchEvent = null;
    var removeEventListener = null;
    var dump = null;
    var onoffline = null;
    var ononline = null;
    var importScripts = null;
    var application = null;
    //var console = null;

    // override console.log and store log entires in log_a
    var log_a = [];
    if (typeof console  != "undefined")
        if (typeof console.log != 'undefined')
            console.olog = console.log;
        else
            console.olog = function() {};

    console.log = function(message) {
        //console.olog(message);
        log_a.push(message);
    };
    console.error = console.debug = console.info =  console.log

    // better error messages
    var result;
    try {
      result = eval(code);
    } catch(e) {
      result = e.message;
    }

    // include output of eval-ing user submitted code
    log_a.push(result);
    return log_a.join("\n");
}


// converts the output into a string
var stringify = function(output) {
    var result;

    if (typeof output == 'undefined') {
        result = 'undefined';
    } else if (output === null) {
        result = 'null';
    } else {
        result = JSON.stringify(output) || output.toString();
    }

    return result;
}


application.setInterface({run:run});