1 files changed, 79 insertions, 0 deletions
diff --git a/lib/parser/narcissus_worker.js b/lib/parser/narcissus_worker.js
new file mode 100644
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--- /dev/null
+++ b/lib/parser/narcissus_worker.js
@@ -0,0 +1,79 @@
+/**
+ * GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.
+ * *
+ * Copyright (C) 2011, 2012, 2013, 2014 Loic J. Duros
+ *
+ * This program 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.
+ *
+ * This program 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 this program.  If not, see  <http://www.gnu.org/licenses/>.
+ *
+ */
+
+var data = require("sdk/self").data;
+var {Cu} = require("chrome");
+var {ChromeWorker} = Cu.import("resource://gre/modules/Services.jsm", null);
+var worker = new ChromeWorker(
+    data.url("chrome_worker/parser/parse.js"));
+
+var NarcissusWorker = function() {
+    this.worker = worker;
+    var that = this;
+
+    this.worker.onmessage = function(e) {
+        var jsChecker = require("js_checker/js_checker");
+
+        console.debug('onmessage', e.data.hash);
+        try {
+            console.debug('calling jsChecker.callbackHashResult() for hash:',
+                          e.data.hash);
+            jsChecker.callbackHashResult(e.data.hash, e.data.tree);
+        } catch (x) {
+            console.debug('error on message', x);
+            jsChecker.callbackHashResult(e.data.hash, false);
+        }
+        jsChecker = null;
+    };
+
+    // Enabling the catch clause in data/chrome_worker/parser
+    // instead of here because we can get the hash from there.
+    /*this.worker.onerror = function (e) {
+        console.debug(
+            'error', e.lineno,
+            'in', e.filename,
+            'e', e.message,
+            'full message', e
+        );
+        // can't get hash from this context
+        that.worker.postMessage(JSON.stringify({'hash': null}));
+    };*/
+};
+
+NarcissusWorker.prototype.stopWorker = function() {
+    console.debug('stopping worker');
+    this.worker.postMessage('stop');
+};
+
+NarcissusWorker.prototype.parse = function(scriptText, hash) {
+    console.debug('parsing', hash);
+    try {
+        this.worker.postMessage(JSON.stringify({
+            'code': scriptText,
+            'hash': hash
+        }));
+    } catch (x) {
+        console.debug('error in lib/narcissus_worker.js', x, x.lineNumber);
+    }
+
+};
+
+var narcissusWorker = new NarcissusWorker();
+exports.narcissusWorker = narcissusWorker;