/* | |
* Copyright (C) 2009 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 COMPUTER, 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 COMPUTER, 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. | |
*/ | |
#ifndef APIShims_h | |
#define APIShims_h | |
#include "CallFrame.h" | |
#include "JSLock.h" | |
namespace JSC { | |
class APIEntryShimWithoutLock { | |
protected: | |
APIEntryShimWithoutLock(JSGlobalData* globalData, bool registerThread) | |
: m_globalData(globalData) | |
, m_entryIdentifierTable(setCurrentIdentifierTable(globalData->identifierTable)) | |
{ | |
if (registerThread) | |
globalData->heap.registerThread(); | |
m_globalData->timeoutChecker->start(); | |
} | |
~APIEntryShimWithoutLock() | |
{ | |
m_globalData->timeoutChecker->stop(); | |
setCurrentIdentifierTable(m_entryIdentifierTable); | |
} | |
private: | |
JSGlobalData* m_globalData; | |
IdentifierTable* m_entryIdentifierTable; | |
}; | |
class APIEntryShim : public APIEntryShimWithoutLock { | |
public: | |
// Normal API entry | |
APIEntryShim(ExecState* exec, bool registerThread = true) | |
: APIEntryShimWithoutLock(&exec->globalData(), registerThread) | |
, m_lock(exec) | |
{ | |
} | |
// JSPropertyNameAccumulator only has a globalData. | |
APIEntryShim(JSGlobalData* globalData, bool registerThread = true) | |
: APIEntryShimWithoutLock(globalData, registerThread) | |
, m_lock(globalData->isSharedInstance ? LockForReal : SilenceAssertionsOnly) | |
{ | |
} | |
private: | |
JSLock m_lock; | |
}; | |
class APICallbackShim { | |
public: | |
APICallbackShim(ExecState* exec) | |
: m_dropAllLocks(exec) | |
, m_globalData(&exec->globalData()) | |
{ | |
resetCurrentIdentifierTable(); | |
m_globalData->timeoutChecker->start(); | |
} | |
~APICallbackShim() | |
{ | |
m_globalData->timeoutChecker->stop(); | |
setCurrentIdentifierTable(m_globalData->identifierTable); | |
} | |
private: | |
JSLock::DropAllLocks m_dropAllLocks; | |
JSGlobalData* m_globalData; | |
}; | |
} | |
#endif |