BatchedTransitionOptimizer.h revision ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddb
18e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project// -*- mode: c++; c-basic-offset: 4 -*- 28e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project/* 38e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Copyright (C) 2008 Apple Inc. All rights reserved. 48e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 58e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * Redistribution and use in source and binary forms, with or without 68e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * modification, are permitted provided that the following conditions 78e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * are met: 88e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 98e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer. 108e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 118e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 128e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * documentation and/or other materials provided with the distribution. 138e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * 148e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 158e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 168e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 178e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 188e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 198e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 208e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 218e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 228e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 238e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 248e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 258e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project */ 268e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 278e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#ifndef BatchedTransitionOptimizer_h 288e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#define BatchedTransitionOptimizer_h 298e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 308e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#include "JSObject.h" 318e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 328e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Projectnamespace JSC { 338e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 34ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch class BatchedTransitionOptimizer { 35ab9e7a118cf1ea2e3a93dce683b2ded3e7291ddbBen Murdoch WTF_MAKE_NONCOPYABLE(BatchedTransitionOptimizer); 368e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project public: 378e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project BatchedTransitionOptimizer(JSObject* object) 388e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project : m_object(object) 398e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project { 40635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project if (!m_object->structure()->isDictionary()) 41231d4e3152a9c27a73b6ac7badbe6be673aa3ddfSteve Block m_object->setStructure(Structure::toCacheableDictionaryTransition(m_object->structure())); 428e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 438e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 448e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project ~BatchedTransitionOptimizer() 458e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project { 46643ca7872b450ea4efacab6188849e5aac2ba161Steve Block m_object->flattenDictionaryObject(); 478e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project } 488e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 498e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project private: 508e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project JSObject* m_object; 518e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project }; 528e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 538e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project} // namespace JSC 548e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project 558e35f3cfc7fba1d1c829dc557ebad6409cbe16a2The Android Open Source Project#endif // BatchedTransitionOptimizer_h 56