1 files changed, 12 insertions, 5 deletions
diff --git a/src/service/controller.js b/src/service/controller.js
index 22fb3b02..229ce14a 100644
--- a/src/service/controller.js
+++ b/src/service/controller.js
@@ -1,15 +1,16 @@
 'use strict';
 
 function $ControllerProvider() {
-  this.$get = ['$injector', function($injector) {
+  this.$get = ['$injector', '$window', function($injector, $window) {
 
     /**
      * @ngdoc function
      * @name angular.module.ng.$controller
      * @requires $injector
      *
-     * @param {Function} Class Constructor function of a controller to instantiate.
-     * @param {Object} scope Related scope.
+     * @param {Function|string} Class Constructor function of a controller to instantiate, or
+     *        expression to read from current scope or window.
+     * @param {Object} locals Injection locals for Controller.
      * @return {Object} Instance of given controller.
      *
      * @description
@@ -19,8 +20,14 @@ function $ControllerProvider() {
      * a service, so that one can override this service with {@link https://gist.github.com/1649788
      * BC version}.
      */
-    return function(Class, scope) {
-      return $injector.instantiate(Class, {$scope: scope});
+    return function(Class, locals) {
+      if(isString(Class)) {
+        var expression = Class;
+        Class = getter(locals.$scope, expression, true) || getter($window, expression, true);
+        assertArgFn(Class, expression);
+      }
+
+      return $injector.instantiate(Class, locals);
     };
   }];
 }