1 // -*- mode: c++; c-basic-offset: 4 -*-
2 /*
3  * Copyright (C) 2008 Apple Inc. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef BatchedTransitionOptimizer_h
28 #define BatchedTransitionOptimizer_h
29 
30 #include "JSObject.h"
31 
32 namespace JSC {
33 
34     class BatchedTransitionOptimizer {
35         WTF_MAKE_NONCOPYABLE(BatchedTransitionOptimizer);
36     public:
BatchedTransitionOptimizer(JSGlobalData & globalData,JSObject * object)37         BatchedTransitionOptimizer(JSGlobalData& globalData, JSObject* object)
38             : m_globalData(&globalData)
39             , m_object(object)
40         {
41         }
42 
~BatchedTransitionOptimizer()43         ~BatchedTransitionOptimizer()
44         {
45             if (m_object->structure()->isDictionary())
46                 m_object->flattenDictionaryObject(*m_globalData);
47         }
48 
49     private:
50         JSGlobalData* m_globalData;
51         JSObject* m_object;
52     };
53 
54 } // namespace JSC
55 
56 #endif // BatchedTransitionOptimizer_h
57