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Copy pathDFGCommonData.cpp
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78 lines (67 loc) · 2.48 KB
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/*
* Copyright (C) 2013 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. ``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
* 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 "DFGCommonData.h"
#if ENABLE(DFG_JIT)
#include "CodeBlock.h"
#include "DFGNode.h"
#include "DFGPlan.h"
#include "JSCInlines.h"
#include "VM.h"
namespace JSC { namespace DFG {
void CommonData::notifyCompilingStructureTransition(Plan& plan, CodeBlock* codeBlock, Node* node)
{
plan.transitions.addLazily(
codeBlock,
node->origin.semantic.codeOriginOwner(),
node->structureTransitionData().previousStructure,
node->structureTransitionData().newStructure);
}
unsigned CommonData::addCodeOrigin(CodeOrigin codeOrigin)
{
if (codeOrigins.isEmpty()
|| codeOrigins.last() != codeOrigin)
codeOrigins.append(codeOrigin);
unsigned index = codeOrigins.size() - 1;
ASSERT(codeOrigins[index] == codeOrigin);
return index;
}
void CommonData::shrinkToFit()
{
codeOrigins.shrinkToFit();
weakReferences.shrinkToFit();
transitions.shrinkToFit();
}
bool CommonData::invalidate()
{
if (!isStillValid)
return false;
for (unsigned i = jumpReplacements.size(); i--;)
jumpReplacements[i].fire();
isStillValid = false;
return true;
}
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)