/* * 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. ``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" #include "JSCInlines.h" namespace JSC { namespace DFG { DesiredIdentifiers::DesiredIdentifiers() : m_codeBlock(nullptr) { } DesiredIdentifiers::DesiredIdentifiers(CodeBlock* codeBlock) : m_codeBlock(codeBlock) { } DesiredIdentifiers::~DesiredIdentifiers() { } unsigned DesiredIdentifiers::numberOfIdentifiers() { return m_codeBlock->numberOfIdentifiers() + m_addedIdentifiers.size(); } void DesiredIdentifiers::addLazily(UniquedStringImpl* rep) { m_addedIdentifiers.append(rep); } UniquedStringImpl* DesiredIdentifiers::at(unsigned index) const { UniquedStringImpl* 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) { auto rep = m_addedIdentifiers[i]; ASSERT(rep->hasAtLeastOneRef()); commonData->dfgIdentifiers.append(Identifier::fromUid(&vm, rep)); } } } } // namespace JSC::DFG #endif // ENABLE(DFG_JIT)