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/*
* Copyright (C) 2013, 2014 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.
*/
#ifndef DFGDesiredTransitions_h
#define DFGDesiredTransitions_h
#include <wtf/Vector.h>
#if ENABLE(DFG_JIT)
namespace JSC {
class CodeBlock;
class ScriptExecutable;
class SlotVisitor;
class Structure;
class VM;
namespace DFG {
class CommonData;
class DesiredTransition {
public:
DesiredTransition(CodeBlock*, CodeBlock* codeOriginOwner, Structure*, Structure*);
void reallyAdd(VM&, CommonData*);
void visitChildren(SlotVisitor&);
private:
CodeBlock* m_codeBlock;
CodeBlock* m_codeOriginOwner;
Structure* m_oldStructure;
Structure* m_newStructure;
};
class DesiredTransitions {
public:
DesiredTransitions();
~DesiredTransitions();
void addLazily(CodeBlock*, CodeBlock* codeOriginOwner, Structure*, Structure*);
void reallyAdd(VM&, CommonData*);
void visitChildren(SlotVisitor&);
private:
Vector<DesiredTransition> m_transitions;
};
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)
#endif // DFGDesiredTransitions_h
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