darling-JavaScriptCore/bytecode/DirectEvalCodeCache.cpp

58 lines
2.2 KiB
C++

/*
* Copyright (C) 2016 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 "DirectEvalCodeCache.h"
#include "JSCellInlines.h"
namespace JSC {
void DirectEvalCodeCache::setSlow(JSGlobalObject* globalObject, JSCell* owner, const String& evalSource, CallSiteIndex callSiteIndex, DirectEvalExecutable* evalExecutable)
{
if (!evalExecutable->allowDirectEvalCache())
return;
LockHolder locker(m_lock);
m_cacheMap.set(CacheKey(evalSource, callSiteIndex), WriteBarrier<DirectEvalExecutable>(globalObject->vm(), owner, evalExecutable));
}
void DirectEvalCodeCache::clear()
{
LockHolder locker(m_lock);
m_cacheMap.clear();
}
void DirectEvalCodeCache::visitAggregate(SlotVisitor& visitor)
{
LockHolder locker(m_lock);
EvalCacheMap::iterator end = m_cacheMap.end();
for (EvalCacheMap::iterator ptr = m_cacheMap.begin(); ptr != end; ++ptr)
visitor.append(ptr->value);
}
} // namespace JSC