lib/less/js/lib/less/tree/variable.js in less-2.3.3 vs lib/less/js/lib/less/tree/variable.js in less-2.4.0

@@ -1,20 +1,21 @@
 (function (tree) {
 
-tree.Variable = function (name, index, file) { this.name = name, this.index = index, this.file = file };
+tree.Variable = function (name, index, currentFileInfo) { this.name = name, this.index = index, this.currentFileInfo = currentFileInfo };
 tree.Variable.prototype = {
+    type: "Variable",
     eval: function (env) {
         var variable, v, name = this.name;
 
         if (name.indexOf('@@') == 0) {
             name = '@' + new(tree.Variable)(name.slice(1)).eval(env).value;
         }
         
         if (this.evaluating) {
             throw { type: 'Name',
                     message: "Recursive variable definition for " + name,
-                    filename: this.file,
+                    filename: this.currentFileInfo.file,
                     index: this.index };
         }
         
         this.evaluating = true;
 
@@ -27,10 +28,10 @@
             return variable;
         }
         else {
             throw { type: 'Name',
                     message: "variable " + name + " is undefined",
-                    filename: this.file,
+                    filename: this.currentFileInfo.filename,
                     index: this.index };
         }
     }
 };