use ES5 bind() instead of lang.bind()

lib/ace/editor.js

@@ -65,10 +65,10 @@ var Editor =function(renderer, doc) {
     });
 
     var mouseTarget = renderer.getMouseEventTarget();  
-    event.addListener(mouseTarget, "mousedown", lang.bind(this.onMouseDown, this));
+    event.addListener(mouseTarget, "mousedown", this.onMouseDown.bind(this));
-    event.addMultiMouseDownListener(mouseTarget, 0, 2, 500, lang.bind(this.onMouseDoubleClick, this));
+    event.addMultiMouseDownListener(mouseTarget, 0, 2, 500, this.onMouseDoubleClick.bind(this));
-    event.addMultiMouseDownListener(mouseTarget, 0, 3, 600, lang.bind(this.onMouseTripleClick, this));
+    event.addMultiMouseDownListener(mouseTarget, 0, 3, 600, this.onMouseTripleClick.bind(this));
-    event.addMouseWheelListener(mouseTarget, lang.bind(this.onMouseWheel, this));
+    event.addMouseWheelListener(mouseTarget, this.onMouseWheel.bind(this));
 
     this.$selectionMarker = null;
     this.$highlightLineMarker = null;
@@ -128,26 +128,26 @@ var Editor =function(renderer, doc) {
 
         this.doc = doc;
 
-        this.$onDocumentChange = lang.bind(this.onDocumentChange, this);
+        this.$onDocumentChange = this.onDocumentChange.bind(this);
         doc.addEventListener("change", this.$onDocumentChange);
         this.renderer.setDocument(doc);
 
-        this.$onDocumentModeChange = lang.bind(this.onDocumentModeChange, this);
+        this.$onDocumentModeChange = this.onDocumentModeChange.bind(this);
         doc.addEventListener("changeMode", this.$onDocumentModeChange);
 
-        this.$onDocumentChangeTabSize = lang.bind(this.renderer.updateText, this.renderer);
+        this.$onDocumentChangeTabSize = this.renderer.updateText.bind(this.renderer);
         doc.addEventListener("changeTabSize", this.$onDocumentChangeTabSize);
 
-        this.$onDocumentChangeBreakpoint = lang.bind(this.onDocumentChangeBreakpoint, this);
+        this.$onDocumentChangeBreakpoint = this.onDocumentChangeBreakpoint.bind(this);
         this.doc.addEventListener("changeBreakpoint", this.$onDocumentChangeBreakpoint);
 
         this.selection = doc.getSelection();
         this.$desiredColumn = 0;
 
-        this.$onCursorChange = lang.bind(this.onCursorChange, this);
+        this.$onCursorChange = this.onCursorChange.bind(this);
         this.selection.addEventListener("changeCursor", this.$onCursorChange);
 
-        this.$onSelectionChange = lang.bind(this.onSelectionChange, this);
+        this.$onSelectionChange = this.onSelectionChange.bind(this);
         this.selection.addEventListener("changeSelection", this.$onSelectionChange);
 
         this.onDocumentModeChange();
@@ -284,7 +284,7 @@ var Editor =function(renderer, doc) {
         var tokenizer = mode.getTokenizer();
 
         if (!this.bgTokenizer) {
-            var onUpdate = lang.bind(this.onTokenizerUpdate, this);
+            var onUpdate = this.onTokenizerUpdate.bind(this);
             this.bgTokenizer = new BackgroundTokenizer(tokenizer, this);
             this.bgTokenizer.addEventListener("update", onUpdate);
         } else {

lib/ace/scrollbar.js

@@ -38,7 +38,6 @@
 define(function(require, exports, module) {
 
 var oop = require("pilot/oop");
-var lang = require("pilot/lang");
 var dom = require("pilot/dom");
 var event = require("pilot/event");
 var EventEmitter = require("pilot/event_emitter").EventEmitter;
@@ -55,7 +54,7 @@ var ScrollBar = function(parent) {
     this.width = dom.scrollbarWidth();
     this.element.style.width = this.width;
 
-    event.addListener(this.element, "scroll", lang.bind(this.onScroll, this));
+    event.addListener(this.element, "scroll", this.onScroll.bind(this));
 };
 
 (function() {

lib/ace/virtual_renderer.js

@@ -38,7 +38,6 @@
 define(function(require, exports, module) {
 
 var oop = require("pilot/oop");
-var lang = require("pilot/lang");
 var dom = require("pilot/dom");
 var event = require("pilot/event");
 var GutterLayer = require("ace/layer/gutter").Gutter;
@@ -85,7 +84,7 @@ var VirtualRenderer = function(container, theme) {
     this.layers = [ this.$markerLayer, textLayer, this.$cursorLayer ];
 
     this.scrollBar = new ScrollBar(container);
-    this.scrollBar.addEventListener("scroll", lang.bind(this.onScroll, this));
+    this.scrollBar.addEventListener("scroll", this.onScroll.bind(this));
 
     this.scrollTop = 0;
 
@@ -101,8 +100,8 @@ var VirtualRenderer = function(container, theme) {
 
         self.$loop.schedule(self.CHANGE_FULL);
     });
-    event.addListener(this.$gutter, "click", lang.bind(this.$onGutterClick, this));
+    event.addListener(this.$gutter, "click", this.$onGutterClick.bind(this));
-    event.addListener(this.$gutter, "dblclick", lang.bind(this.$onGutterClick, this));
+    event.addListener(this.$gutter, "dblclick", this.$onGutterClick.bind(this));
 
     this.$size = {
         width: 0,
@@ -111,7 +110,7 @@ var VirtualRenderer = function(container, theme) {
         scrollerWidth: 0
     };
 
-    this.$loop = new RenderLoop(lang.bind(this.$renderChanges, this));
+    this.$loop = new RenderLoop(this.$renderChanges.bind(this));
     this.$loop.schedule(this.CHANGE_FULL);
 
     this.$updatePrintMargin();

plugins/pilot/fixoldbrowsers.js

@@ -65,22 +65,38 @@ if (!Object.keys) {
 }
 
 if (!Function.prototype.bind) {
-    // From Narwhal
+    // from MDC
-    Function.prototype.bind = function () {
+    // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/bind
-        var args = Array.prototype.slice.call(arguments);
+    Function.prototype.bind = function () {       
+        var slice = [].slice;
+        var args = slice.call(arguments, 1);
         var self = this;
-        var bound = function () {
+        var nop = function () {};
-            return self.call.apply(
+
-                self,
+        // optimize common case
-                args.concat(
+        if (arguments.length == 1) {
-                    Array.prototype.slice.call(arguments)
+	        var bound = return function() {
-                )
+	            return fcn.apply(this instanceof nop ? this : obj, arguments);
-            );
+	        };
-        };
+        }
+        else {
+	        var bound = function () {
+	            return self.apply(
+	                this instanceof nop ? this : ( obj || {} ), 
+	                args.concat( slice.call(arguments) )
+	            );
+	        };
+        }
+	    
+        nop.prototype = self.prototype;    
+        bound.prototype = new nop();    
+        
+        // From Narwhal
         bound.name = this.name;
         bound.displayName = this.displayName;
         bound.length = this.length;
         bound.unbound = self;
+        
         return bound;
     };
 }

plugins/pilot/lang.js

@@ -82,12 +82,6 @@ exports.escapeRegExp = function(str) {
     return str.replace(/([.*+?^${}()|[\]\/\\])/g, '\\$1');
 };
 
-exports.bind = function(fcn, context) {
-    return function() {
-        return fcn.apply(context, arguments);
-    };
-};
-
 exports.deferredCall = function(fcn) {
 
     var timer = null;