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/**
* GNU LibreJSXUL - A browser add-on to block nonfree nontrivial JavaScript.
* *
* Copyright (C) 2011, 2012, 2014 Loic J. Duros
* Copyright (C) 2014, 2015 Nik Nyby
*
* This file is part of GNU LibreJSXUL.
*
* GNU LibreJSXUL is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GNU LibreJSXUL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU LibreJSXUL. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* parse.js
*
* A chrome worker that we keep working for the duration
* of the session.
*
* It takes about 10-12M in memory when not actively running, and it
* is much faster than reloading the Narcissus scripts for every
* script.
*
*/
importScripts('./jsdefs.js', './jslex.js', './jsparse.js');
self.onmessage = function(event) {
if (event.data === 'stop') {
// destroy chrome worker.
self.close();
return;
}
var obj = JSON.parse(event.data);
var tree;
try {
tree = new Narcissus.parser.parse(obj.code);
self.postMessage({'tree': tree, 'hash': obj.hash});
} catch (x) {
// error with parsing. Delete all.
self.postMessage({'hash': obj.hash});
}
tree = null;
obj = null;
};
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