mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
90 lines
3.0 KiB
C++
90 lines
3.0 KiB
C++
/*
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* Copyright (C) 2013-2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "DFGDesiredTransitions.h"
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#if ENABLE(DFG_JIT)
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#include "CodeBlock.h"
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#include "DFGCommonData.h"
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#include "JSCellInlines.h"
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namespace JSC { namespace DFG {
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DesiredTransition::DesiredTransition(CodeBlock* codeBlock, CodeBlock* codeOriginOwner, Structure* oldStructure, Structure* newStructure)
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: m_codeBlock(codeBlock)
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, m_codeOriginOwner(codeOriginOwner)
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, m_oldStructure(oldStructure)
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, m_newStructure(newStructure)
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{
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}
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void DesiredTransition::reallyAdd(VM& vm, CommonData* common)
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{
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ConcurrentJSLocker locker(m_codeBlock->m_lock);
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common->transitions.append(
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WeakReferenceTransition(
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vm, m_codeBlock,
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m_codeOriginOwner,
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m_oldStructure, m_newStructure));
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}
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void DesiredTransition::visitChildren(SlotVisitor& visitor)
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{
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visitor.appendUnbarriered(m_codeOriginOwner);
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visitor.appendUnbarriered(m_oldStructure);
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visitor.appendUnbarriered(m_newStructure);
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}
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DesiredTransitions::DesiredTransitions()
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{
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}
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DesiredTransitions::~DesiredTransitions()
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{
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}
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void DesiredTransitions::addLazily(CodeBlock* codeBlock, CodeBlock* codeOriginOwner, Structure* oldStructure, Structure* newStructure)
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{
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m_transitions.append(DesiredTransition(codeBlock, codeOriginOwner, oldStructure, newStructure));
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}
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void DesiredTransitions::reallyAdd(VM& vm, CommonData* common)
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{
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for (unsigned i = 0; i < m_transitions.size(); i++)
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m_transitions[i].reallyAdd(vm, common);
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}
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void DesiredTransitions::visitChildren(SlotVisitor& visitor)
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{
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for (unsigned i = 0; i < m_transitions.size(); i++)
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m_transitions[i].visitChildren(visitor);
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}
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} } // namespace JSC::DFG
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#endif // ENABLE(DFG_JIT)
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