Detect CoffeeScript with generated comment

test/fixtures/coffee/classes.js

@@ -1,46 +1,69 @@
+// Generated by CoffeeScript 1.2.1
 (function() {
-  var Animal, Horse, Snake, sam, tom;
-  var __hasProp = Object.prototype.hasOwnProperty, __extends = function(child, parent) {
-    for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; }
-    function ctor() { this.constructor = child; }
-    ctor.prototype = parent.prototype;
-    child.prototype = new ctor;
-    child.__super__ = parent.prototype;
-    return child;
-  };
+  var Animal, Horse, Snake, sam, tom,
+    __hasProp = {}.hasOwnProperty,
+    __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor; child.__super__ = parent.prototype; return child; };
+
   Animal = (function() {
+
+    Animal.name = 'Animal';
+
     function Animal(name) {
       this.name = name;
     }
+
     Animal.prototype.move = function(meters) {
       return alert(this.name + " moved " + meters + "m.");
     };
+
     return Animal;
+
   })();
-  Snake = (function() {
-    __extends(Snake, Animal);
+
+  Snake = (function(_super) {
+
+    __extends(Snake, _super);
+
+    Snake.name = 'Snake';
+
     function Snake() {
-      Snake.__super__.constructor.apply(this, arguments);
+      return Snake.__super__.constructor.apply(this, arguments);
     }
+
     Snake.prototype.move = function() {
       alert("Slithering...");
       return Snake.__super__.move.call(this, 5);
     };
+
     return Snake;
-  })();
-  Horse = (function() {
-    __extends(Horse, Animal);
+
+  })(Animal);
+
+  Horse = (function(_super) {
+
+    __extends(Horse, _super);
+
+    Horse.name = 'Horse';
+
     function Horse() {
-      Horse.__super__.constructor.apply(this, arguments);
+      return Horse.__super__.constructor.apply(this, arguments);
     }
+
     Horse.prototype.move = function() {
       alert("Galloping...");
       return Horse.__super__.move.call(this, 45);
     };
+
     return Horse;
-  })();
+
+  })(Animal);
+
   sam = new Snake("Sammy the Python");
+
   tom = new Horse("Tommy the Palomino");
+
   sam.move();
+
   tom.move();
+
 }).call(this);