use narcissus in the worker to detect syntax errors

lib/ace/mode/javascript.js

@@ -144,7 +144,7 @@ oop.inherits(Mode, TextMode);
                         row: error.line-1,
                         column: error.character-1,
                         text: error.reason,
-                        type: "error",
+                        type: "warning",
                         lint: error
                     })
             }
@@ -152,6 +152,10 @@ oop.inherits(Mode, TextMode);
             session.setAnnotations(errors)
         });
         
+        worker.on("narcissus", function(e) {
+            session.setAnnotations([e.data]);
+        });
+        
         worker.on("terminate", function() {
             session.clearAnnotations();
         });

lib/ace/mode/javascript_worker.js

@@ -15,8 +15,31 @@ oop.inherits(JavaScriptWorker, Mirror);
 (function() {
     
     this.onUpdate = function() {
-        lint(this.doc.getValue(), {undef: false, onevar: false, passfail: false});
+        var value = this.doc.getValue();
+        
+        var start = new Date();
+        var parser = require("ace/narcissus/jsparse");
+        try {
+            parser.parse(value);
+        } catch(e) {
+            console.log("narcissus")
+            console.log(e);
+            sender.emit("narcissus", {
+                row: e.lineno-1,
+                column: null, // TODO convert e.cursor
+                text: e.message,
+                type: "error"
+            });
+            return;
+        } finally {
+            console.log("parse time: " + (new Date() - start));
+        }
+        
+        var start = new Date();
+        console.log("jslint")
+        lint(value, {undef: false, onevar: false, passfail: false});
         this.sender.emit("jslint", lint.errors);        
+        console.log("lint time: " + (new Date() - start));
     }
     
 }).call(JavaScriptWorker.prototype);