diff options
Diffstat (limited to 'src/3rdparty/webkit/JavaScriptCore/API/APIShims.h')
-rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/API/APIShims.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/API/APIShims.h b/src/3rdparty/webkit/JavaScriptCore/API/APIShims.h new file mode 100644 index 0000000..9a6cacb --- /dev/null +++ b/src/3rdparty/webkit/JavaScriptCore/API/APIShims.h @@ -0,0 +1,97 @@ +/* + * 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(); + } + + ~APICallbackShim() + { + setCurrentIdentifierTable(m_globalData->identifierTable); + } + +private: + JSLock::DropAllLocks m_dropAllLocks; + JSGlobalData* m_globalData; +}; + +} + +#endif |