Revert "Use cm.getModeAt in getModeAt"

This reverts commit 6776bc0.

src/utils/TokenUtils.js

@@ -33,7 +33,8 @@
 define(function (require, exports, module) {
     "use strict";
 
-    var _ = require("thirdparty/lodash");
+    var _           = require("thirdparty/lodash"),
+        CodeMirror  = require("thirdparty/CodeMirror2/lib/codemirror");
 
     var cache,
         CACHE_MAX_AGE = 1000; // cache for 1 second
@@ -203,10 +204,14 @@ define(function (require, exports, module) {
      * @return {mode:{Object}, name:string}
      */
     function getModeAt(cm, pos) {
-        var modeData    = cm.getModeAt(pos),
-            name        = modeData.name === "xml" ? modeData.configuration : modeData.name;
+        var outerMode = cm.getMode(),
+            modeData = CodeMirror.innerMode(outerMode, cm.getTokenAt(pos, true).state),
+            name;
 
-        return {mode: modeData, name: name};
+        name = (modeData.mode.name === "xml") ?
+                modeData.mode.configuration : modeData.mode.name;
+
+        return {mode: modeData.mode, name: name};
     }
 
     exports.movePrevToken           = movePrevToken;