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/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
*
* 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.
*/
#include "config.h"
#include "JSCallbackObject.h"
#include "Heap.h"
#include <wtf/text/StringHash.h>
namespace JSC {
// Define the two types of JSCallbackObjects we support.
template <> const ClassInfo JSCallbackObject<JSDestructibleObject>::s_info = { "CallbackObject", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSCallbackObject) };
template <> const ClassInfo JSCallbackObject<JSGlobalObject>::s_info = { "CallbackGlobalObject", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSCallbackObject) };
template<> const bool JSCallbackObject<JSDestructibleObject>::needsDestruction = true;
template<> const bool JSCallbackObject<JSGlobalObject>::needsDestruction = false;
template<>
JSCallbackObject<JSGlobalObject>* JSCallbackObject<JSGlobalObject>::create(JSGlobalData& globalData, JSClassRef classRef, Structure* structure)
{
JSCallbackObject<JSGlobalObject>* callbackObject = new (NotNull, allocateCell<JSCallbackObject<JSGlobalObject> >(globalData.heap)) JSCallbackObject(globalData, classRef, structure);
callbackObject->finishCreation(globalData);
globalData.heap.addFinalizer(callbackObject, destroy);
return callbackObject;
}
template <>
Structure* JSCallbackObject<JSDestructibleObject>::createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue proto)
{
return Structure::create(globalData, globalObject, proto, TypeInfo(ObjectType, StructureFlags), &s_info);
}
template <>
Structure* JSCallbackObject<JSGlobalObject>::createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue proto)
{
return Structure::create(globalData, globalObject, proto, TypeInfo(GlobalObjectType, StructureFlags), &s_info);
}
template <class Parent>
void JSCallbackObject<Parent>::destroy(JSCell* cell)
{
static_cast<JSCallbackObject*>(cell)->JSCallbackObject::~JSCallbackObject();
}
void JSCallbackObjectData::finalize(Handle<Unknown> handle, void* context)
{
JSClassRef jsClass = static_cast<JSClassRef>(context);
JSObjectRef thisRef = toRef(static_cast<JSObject*>(handle.get().asCell()));
for (; jsClass; jsClass = jsClass->parentClass)
if (JSObjectFinalizeCallback finalize = jsClass->finalize)
finalize(thisRef);
WeakSet::deallocate(WeakImpl::asWeakImpl(handle.slot()));
}
} // namespace JSC
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