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/*
* Copyright (C) 2018 Igalia S.L.
* Copyright (C) 2022 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. 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 INC. 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 "JSAPIWrapperGlobalObject.h"
#include "JSCInlines.h"
#include "JSCallbackObject.h"
#include "Structure.h"
#include <wtf/NeverDestroyed.h>
class JSAPIWrapperGlobalObjectHandleOwner final : public JSC::WeakHandleOwner {
public:
void finalize(JSC::Handle<JSC::Unknown>, void*) final;
};
static JSAPIWrapperGlobalObjectHandleOwner* jsAPIWrapperGlobalObjectHandleOwner()
{
static NeverDestroyed<JSAPIWrapperGlobalObjectHandleOwner> jsWrapperGlobalObjectHandleOwner;
return &jsWrapperGlobalObjectHandleOwner.get();
}
void JSAPIWrapperGlobalObjectHandleOwner::finalize(JSC::Handle<JSC::Unknown> handle, void*)
{
auto* wrapperObject = static_cast<JSC::JSAPIWrapperGlobalObject*>(handle.get().asCell());
if (!wrapperObject->wrappedObject())
return;
JSC::Heap::heap(wrapperObject)->releaseSoon(std::unique_ptr<JSC::JSCGLibWrapperObject>(wrapperObject->wrappedObject()));
JSC::WeakSet::deallocate(JSC::WeakImpl::asWeakImpl(handle.slot()));
}
namespace JSC {
static JSC_DECLARE_HOST_FUNCTION(callJSAPIWrapperGlobalObjectCallbackObject);
static JSC_DECLARE_HOST_FUNCTION(constructJSAPIWrapperGlobalObjectCallbackObject);
static JSC_DECLARE_CUSTOM_GETTER(callbackGetterJSAPIWrapperGlobalObjectCallbackObject);
static JSC_DECLARE_CUSTOM_GETTER(staticFunctionGetterJSAPIWrapperGlobalObjectCallbackObject);
DEFINE_VISIT_CHILDREN_WITH_MODIFIER(template<>, JSCallbackObject<JSAPIWrapperGlobalObject>);
template <> const ClassInfo JSCallbackObject<JSAPIWrapperGlobalObject>::s_info = { "JSAPIWrapperGlobalObject"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSCallbackObject) };
template<> const DestructionMode JSCallbackObject<JSAPIWrapperGlobalObject>::needsDestruction = NeedsDestruction;
template <>
NativeFunction::Ptr JSCallbackObject<JSAPIWrapperGlobalObject>::getCallFunction()
{
return callJSAPIWrapperGlobalObjectCallbackObject;
}
template <>
NativeFunction::Ptr JSCallbackObject<JSAPIWrapperGlobalObject>::getConstructFunction()
{
return constructJSAPIWrapperGlobalObjectCallbackObject;
}
template <>
GetValueFunc JSCallbackObject<JSAPIWrapperGlobalObject>::getCallbackGetter()
{
return callbackGetterJSAPIWrapperGlobalObjectCallbackObject;
}
template <>
GetValueFunc JSCallbackObject<JSAPIWrapperGlobalObject>::getStaticFunctionGetter()
{
return staticFunctionGetterJSAPIWrapperGlobalObjectCallbackObject;
}
template <>
GCClient::IsoSubspace* JSCallbackObject<JSAPIWrapperGlobalObject>::subspaceForImpl(VM& vm, SubspaceAccess mode)
{
switch (mode) {
case SubspaceAccess::OnMainThread:
return vm.callbackAPIWrapperGlobalObjectSpace<SubspaceAccess::OnMainThread>();
case SubspaceAccess::Concurrently:
return vm.callbackAPIWrapperGlobalObjectSpace<SubspaceAccess::Concurrently>();
}
RELEASE_ASSERT_NOT_REACHED();
return nullptr;
}
template <>
Structure* JSCallbackObject<JSAPIWrapperGlobalObject>::createStructure(VM& vm, JSGlobalObject*, JSValue proto)
{
return Structure::create(vm, nullptr, proto, TypeInfo(GlobalObjectType, StructureFlags), &s_info);
}
template<>
JSCallbackObject<JSAPIWrapperGlobalObject>* JSCallbackObject<JSAPIWrapperGlobalObject>::create(VM& vm, JSClassRef classRef, Structure* structure)
{
JSCallbackObject<JSAPIWrapperGlobalObject>* callbackObject = new (NotNull, allocateCell<JSCallbackObject<JSAPIWrapperGlobalObject>>(vm)) JSCallbackObject(vm, classRef, structure);
callbackObject->finishCreation(vm);
return callbackObject;
}
JSC_DEFINE_HOST_FUNCTION(callJSAPIWrapperGlobalObjectCallbackObject, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
return JSCallbackObject<JSAPIWrapperGlobalObject>::callImpl(globalObject, callFrame);
}
JSC_DEFINE_HOST_FUNCTION(constructJSAPIWrapperGlobalObjectCallbackObject, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
return JSCallbackObject<JSAPIWrapperGlobalObject>::constructImpl(globalObject, callFrame);
}
JSC_DEFINE_CUSTOM_GETTER(callbackGetterJSAPIWrapperGlobalObjectCallbackObject, (JSGlobalObject* globalObject, EncodedJSValue thisValue, PropertyName propertyName))
{
return JSCallbackObject<JSAPIWrapperGlobalObject>::callbackGetterImpl(globalObject, thisValue, propertyName);
}
JSC_DEFINE_CUSTOM_GETTER(staticFunctionGetterJSAPIWrapperGlobalObjectCallbackObject, (JSGlobalObject* globalObject, EncodedJSValue thisValue, PropertyName propertyName))
{
return JSCallbackObject<JSAPIWrapperGlobalObject>::staticFunctionGetterImpl(globalObject, thisValue, propertyName);
}
JSAPIWrapperGlobalObject::JSAPIWrapperGlobalObject(VM& vm, Structure* structure)
: Base(vm, structure)
{
}
void JSAPIWrapperGlobalObject::finishCreation(VM& vm)
{
Base::finishCreation(vm);
WeakSet::allocate(this, jsAPIWrapperGlobalObjectHandleOwner(), 0); // Balanced in JSAPIWrapperGlobalObjectHandleOwner::finalize.
}
} // namespace JSC
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