fix AST_Scope.clone() (#2803)

fixes #2799
2018-01-17 21:33:13 +08:00
parent d3ce2bc9e7
commit 07e4b64f3a
3 changed files with 72 additions and 0 deletions
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -303,6 +303,13 @@ Dictionary.prototype = {
            ret.push(f(this._values[i], i.substr(1)));
        return ret;
    },
+    clone: function() {
+        var ret = new Dictionary();
+        for (var i in this._values)
+            ret._values[i] = this._values[i];
+        ret._size = this._size;
+        return ret;
+    },
    toObject: function() { return this._values }
 };
 Dictionary.fromObject = function(obj) {