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/*
* Copyright (C) 2013-2016 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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.
*/
#include "config.h"
#include "DFGDesiredTransitions.h"
#if ENABLE(DFG_JIT)
#include "CodeBlock.h"
#include "DFGCommonData.h"
#include "JSCInlines.h"
namespace JSC { namespace DFG {
DesiredTransition::DesiredTransition(CodeBlock* codeBlock, CodeBlock* codeOriginOwner, Structure* oldStructure, Structure* newStructure)
: m_codeBlock(codeBlock)
, m_codeOriginOwner(codeOriginOwner)
, m_oldStructure(oldStructure)
, m_newStructure(newStructure)
{
}
void DesiredTransition::reallyAdd(VM& vm, CommonData* common)
{
common->transitions.append(
WeakReferenceTransition(
vm, m_codeBlock,
m_codeOriginOwner,
m_oldStructure, m_newStructure));
}
void DesiredTransition::visitChildren(SlotVisitor& visitor)
{
visitor.appendUnbarriered(m_codeOriginOwner);
visitor.appendUnbarriered(m_oldStructure);
visitor.appendUnbarriered(m_newStructure);
}
DesiredTransitions::DesiredTransitions()
{
}
DesiredTransitions::~DesiredTransitions()
{
}
void DesiredTransitions::addLazily(CodeBlock* codeBlock, CodeBlock* codeOriginOwner, Structure* oldStructure, Structure* newStructure)
{
m_transitions.append(DesiredTransition(codeBlock, codeOriginOwner, oldStructure, newStructure));
}
void DesiredTransitions::reallyAdd(VM& vm, CommonData* common)
{
for (unsigned i = 0; i < m_transitions.size(); i++)
m_transitions[i].reallyAdd(vm, common);
}
void DesiredTransitions::visitChildren(SlotVisitor& visitor)
{
for (unsigned i = 0; i < m_transitions.size(); i++)
m_transitions[i].visitChildren(visitor);
}
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)