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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 "DFGDesiredIdentifiers.h"
#if ENABLE(DFG_JIT)
#include "CodeBlock.h"
namespace JSC { namespace DFG {
DesiredIdentifiers::DesiredIdentifiers(CodeBlock* codeBlock)
: m_codeBlock(codeBlock)
{
}
DesiredIdentifiers::~DesiredIdentifiers()
{
}
unsigned DesiredIdentifiers::numberOfIdentifiers()
{
return m_codeBlock->numberOfIdentifiers() + m_addedIdentifiers.size();
}
void DesiredIdentifiers::addLazily(StringImpl* rep)
{
m_addedIdentifiers.append(rep);
}
StringImpl* DesiredIdentifiers::at(unsigned index) const
{
StringImpl* result;
if (index < m_codeBlock->numberOfIdentifiers())
result = m_codeBlock->identifier(index).impl();
else
result = m_addedIdentifiers[index - m_codeBlock->numberOfIdentifiers()];
ASSERT(result->hasAtLeastOneRef());
return result;
}
void DesiredIdentifiers::reallyAdd(VM& vm, CommonData* commonData)
{
for (unsigned i = 0; i < m_addedIdentifiers.size(); ++i) {
StringImpl* rep = m_addedIdentifiers[i];
ASSERT(rep->hasAtLeastOneRef());
commonData->dfgIdentifiers.append(Identifier(&vm, rep));
}
}
} } // namespace JSC::DFG
#endif // ENABLE(DFG_JIT)
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