darling-JavaScriptCore/bytecode/BytecodeUseDef.h

59 lines
2.6 KiB
C++

/*
* Copyright (C) 2013-2019 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.
*/
#pragma once
#include "BytecodeStructs.h"
#include "CodeBlock.h"
#include "Instruction.h"
#include <wtf/Forward.h>
namespace JSC {
void computeUsesForBytecodeIndexImpl(VirtualRegister, const Instruction*, Checkpoint, const ScopedLambda<void(VirtualRegister)>&);
void computeDefsForBytecodeIndexImpl(unsigned, const Instruction*, Checkpoint, const ScopedLambda<void(VirtualRegister)>&);
template<typename Block, typename Functor>
void computeUsesForBytecodeIndex(Block* codeBlock, const Instruction* instruction, Checkpoint checkpoint, const Functor& functor)
{
OpcodeID opcodeID = instruction->opcodeID();
if (opcodeID != op_enter && (codeBlock->wasCompiledWithDebuggingOpcodes() || codeBlock->usesEval()) && codeBlock->scopeRegister().isValid())
functor(codeBlock->scopeRegister());
computeUsesForBytecodeIndexImpl(codeBlock->scopeRegister(), instruction, checkpoint, scopedLambda<void(VirtualRegister)>(functor));
}
template<typename Block, typename Functor>
void computeDefsForBytecodeIndex(Block* codeBlock, const Instruction* instruction, Checkpoint checkpoint, const Functor& functor)
{
computeDefsForBytecodeIndexImpl(codeBlock->numVars(), instruction, checkpoint, scopedLambda<void(VirtualRegister)>(functor));
}
#undef CALL_FUNCTOR
#undef USES_OR_DEFS
#undef USES
#undef DEFS
} // namespace JSC