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/*
* Copyright (C) 2007, 2008, 2012, 2015 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.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE 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 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.
*/
#include "config.h"
#include "JSEnvironmentRecord.h"
#include "HeapSnapshotBuilder.h"
#include "JSCInlines.h"
namespace JSC {
const ClassInfo JSEnvironmentRecord::s_info = { "EnvironmentRecord", &Base::s_info, 0, CREATE_METHOD_TABLE(JSEnvironmentRecord) };
void JSEnvironmentRecord::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
JSEnvironmentRecord* thisObject = jsCast<JSEnvironmentRecord*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
visitor.appendValuesHidden(thisObject->variables(), thisObject->symbolTable()->scopeSize());
}
void JSEnvironmentRecord::heapSnapshot(JSCell* cell, HeapSnapshotBuilder& builder)
{
JSEnvironmentRecord* thisObject = jsCast<JSEnvironmentRecord*>(cell);
Base::heapSnapshot(cell, builder);
ConcurrentJSLocker locker(thisObject->symbolTable()->m_lock);
SymbolTable::Map::iterator end = thisObject->symbolTable()->end(locker);
for (SymbolTable::Map::iterator it = thisObject->symbolTable()->begin(locker); it != end; ++it) {
SymbolTableEntry::Fast entry = it->value;
ASSERT(!entry.isNull());
ScopeOffset offset = entry.scopeOffset();
if (!thisObject->isValidScopeOffset(offset))
continue;
JSValue toValue = thisObject->variableAt(offset).get();
if (toValue && toValue.isCell())
builder.appendVariableNameEdge(thisObject, toValue.asCell(), it->key.get());
}
}
} // namespace JSC
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