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// -*- mode: c++; c-basic-offset: 4 -*-
/*
* Copyright (C) 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef BatchedTransitionOptimizer_h
#define BatchedTransitionOptimizer_h
#include "JSObject.h"
namespace JSC {
class BatchedTransitionOptimizer {
WTF_MAKE_NONCOPYABLE(BatchedTransitionOptimizer);
public:
BatchedTransitionOptimizer(JSGlobalData& globalData, JSObject* object)
: m_globalData(&globalData)
, m_object(object)
{
if (!m_object->structure()->isDictionary())
m_object->setStructure(globalData, Structure::toCacheableDictionaryTransition(globalData, m_object->structure()));
}
~BatchedTransitionOptimizer()
{
m_object->flattenDictionaryObject(*m_globalData);
}
private:
JSGlobalData* m_globalData;
JSObject* m_object;
};
} // namespace JSC
#endif // BatchedTransitionOptimizer_h