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/*
* Copyright (C) 2012 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 "ResolveGlobalStatus.h"
#include "CodeBlock.h"
#include "JSCJSValue.h"
#include "Operations.h"
#include "Structure.h"
namespace JSC {
static ResolveGlobalStatus computeForStructure(CodeBlock* codeBlock, Structure* structure, Identifier& identifier)
{
unsigned attributesIgnored;
JSCell* specificValue;
PropertyOffset offset = structure->get(*codeBlock->vm(), identifier, attributesIgnored, specificValue);
if (structure->isDictionary())
specificValue = 0;
if (!isValidOffset(offset))
return ResolveGlobalStatus();
return ResolveGlobalStatus(ResolveGlobalStatus::Simple, structure, offset, specificValue);
}
ResolveGlobalStatus ResolveGlobalStatus::computeFor(CodeBlock* codeBlock, int, ResolveOperation* operation, Identifier& identifier)
{
ASSERT(operation->m_operation == ResolveOperation::GetAndReturnGlobalProperty);
if (!operation->m_structure)
return ResolveGlobalStatus();
return computeForStructure(codeBlock, operation->m_structure.get(), identifier);
}
} // namespace JSC
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