DerivedSources/WebCore/JSWorker.cpp - third_party/webkit - Git at Google

 /*
     This file is part of the WebKit open source project.
     This file has been generated by generate-bindings.pl. DO NOT MODIFY!

     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.

     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.

     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */

 #include "config.h"
 #include "JSWorker.h"

 #include "EventNames.h"
 #include "ExceptionCode.h"
 #include "JSDOMBinding.h"
 #include "JSDOMConstructor.h"
 #include "JSEventListener.h"
 #include <runtime/Error.h>
 #include <wtf/GetPtr.h>

 using namespace JSC;

 namespace WebCore {

 // Functions

 JSC::EncodedJSValue JSC_HOST_CALL jsWorkerPrototypeFunctionPostMessage(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsWorkerPrototypeFunctionTerminate(JSC::ExecState*);

 // Attributes

 JSC::EncodedJSValue jsWorkerOnmessage(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSWorkerOnmessage(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
 JSC::EncodedJSValue jsWorkerOnerror(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSWorkerOnerror(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
 JSC::EncodedJSValue jsWorkerConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSWorkerConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

 class JSWorkerPrototype : public JSC::JSNonFinalObject {
 public:
     typedef JSC::JSNonFinalObject Base;
     static JSWorkerPrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
     {
         JSWorkerPrototype* ptr = new (NotNull, JSC::allocateCell<JSWorkerPrototype>(vm.heap)) JSWorkerPrototype(vm, globalObject, structure);
         ptr->finishCreation(vm);
         return ptr;
     }

     DECLARE_INFO;
     static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
     {
         return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
     }

 private:
     JSWorkerPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
         : JSC::JSNonFinalObject(vm, structure)
     {
     }

     void finishCreation(JSC::VM&);
 };

 typedef JSDOMConstructor<JSWorker> JSWorkerConstructor;

 template<> JSC::EncodedJSValue JSC_HOST_CALL JSWorkerConstructor::construct(JSC::ExecState* exec)
 {
     ASSERT(exec);
     return constructJSWorker(*exec);
 }

 template<> JSValue JSWorkerConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
 {
     return JSEventTarget::getConstructor(vm, &globalObject);
 }

 template<> void JSWorkerConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
 {
     putDirect(vm, vm.propertyNames->prototype, JSWorker::prototype(vm, &globalObject), DontDelete | ReadOnly | DontEnum);
     putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("Worker"))), ReadOnly | DontEnum);
     putDirect(vm, vm.propertyNames->length, jsNumber(1), ReadOnly | DontEnum);
 }

 template<> const ClassInfo JSWorkerConstructor::s_info = { "Worker", &Base::s_info, 0, CREATE_METHOD_TABLE(JSWorkerConstructor) };

 /* Hash table for prototype */

 static const HashTableValue JSWorkerPrototypeTableValues[] =
 {
     { "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsWorkerConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWorkerConstructor) } },
     { "onmessage", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsWorkerOnmessage), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWorkerOnmessage) } },
     { "onerror", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsWorkerOnerror), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWorkerOnerror) } },
     { "postMessage", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsWorkerPrototypeFunctionPostMessage), (intptr_t) (1) } },
     { "terminate", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsWorkerPrototypeFunctionTerminate), (intptr_t) (0) } },
 };

 const ClassInfo JSWorkerPrototype::s_info = { "WorkerPrototype", &Base::s_info, 0, CREATE_METHOD_TABLE(JSWorkerPrototype) };

 void JSWorkerPrototype::finishCreation(VM& vm)
 {
     Base::finishCreation(vm);
     reifyStaticProperties(vm, JSWorkerPrototypeTableValues, *this);
 }

 const ClassInfo JSWorker::s_info = { "Worker", &Base::s_info, 0, CREATE_METHOD_TABLE(JSWorker) };

 JSWorker::JSWorker(Structure* structure, JSDOMGlobalObject& globalObject, Ref<Worker>&& impl)
     : JSEventTarget(structure, globalObject, WTFMove(impl))
 {
 }

 JSObject* JSWorker::createPrototype(VM& vm, JSGlobalObject* globalObject)
 {
     return JSWorkerPrototype::create(vm, globalObject, JSWorkerPrototype::createStructure(vm, globalObject, JSEventTarget::prototype(vm, globalObject)));
 }

 JSObject* JSWorker::prototype(VM& vm, JSGlobalObject* globalObject)
 {
     return getDOMPrototype<JSWorker>(vm, globalObject);
 }

 EncodedJSValue jsWorkerOnmessage(ExecState* state, EncodedJSValue thisValue, PropertyName)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     UNUSED_PARAM(thisValue);
     JSValue decodedThisValue = JSValue::decode(thisValue);
     auto* castedThis = jsDynamicCast<JSWorker*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "Worker", "onmessage");
     }
     UNUSED_PARAM(state);
     return JSValue::encode(eventHandlerAttribute(castedThis->wrapped(), eventNames().messageEvent));
 }


 EncodedJSValue jsWorkerOnerror(ExecState* state, EncodedJSValue thisValue, PropertyName)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     UNUSED_PARAM(thisValue);
     JSValue decodedThisValue = JSValue::decode(thisValue);
     auto* castedThis = jsDynamicCast<JSWorker*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "Worker", "onerror");
     }
     UNUSED_PARAM(state);
     return JSValue::encode(eventHandlerAttribute(castedThis->wrapped(), eventNames().errorEvent));
 }


 EncodedJSValue jsWorkerConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     JSWorkerPrototype* domObject = jsDynamicCast<JSWorkerPrototype*>(JSValue::decode(thisValue));
     if (UNLIKELY(!domObject))
         return throwVMTypeError(state, throwScope);
     return JSValue::encode(JSWorker::getConstructor(state->vm(), domObject->globalObject()));
 }

 bool setJSWorkerConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     JSValue value = JSValue::decode(encodedValue);
     JSWorkerPrototype* domObject = jsDynamicCast<JSWorkerPrototype*>(JSValue::decode(thisValue));
     if (UNLIKELY(!domObject)) {
         throwVMTypeError(state, throwScope);
         return false;
     }
     // Shadowing a built-in constructor
     return domObject->putDirect(state->vm(), state->propertyNames().constructor, value);
 }

 bool setJSWorkerOnmessage(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue value = JSValue::decode(encodedValue);
     UNUSED_PARAM(thisValue);
     JSWorker* castedThis = jsDynamicCast<JSWorker*>(JSValue::decode(thisValue));
     if (UNLIKELY(!castedThis)) {
         return throwSetterTypeError(*state, throwScope, "Worker", "onmessage");
     }
     setEventHandlerAttribute(*state, *castedThis, castedThis->wrapped(), eventNames().messageEvent, value);
     return true;
 }


 bool setJSWorkerOnerror(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue value = JSValue::decode(encodedValue);
     UNUSED_PARAM(thisValue);
     JSWorker* castedThis = jsDynamicCast<JSWorker*>(JSValue::decode(thisValue));
     if (UNLIKELY(!castedThis)) {
         return throwSetterTypeError(*state, throwScope, "Worker", "onerror");
     }
     setEventHandlerAttribute(*state, *castedThis, castedThis->wrapped(), eventNames().errorEvent, value);
     return true;
 }


 JSValue JSWorker::getConstructor(VM& vm, const JSGlobalObject* globalObject)
 {
     return getDOMConstructor<JSWorkerConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
 }

 EncodedJSValue JSC_HOST_CALL jsWorkerPrototypeFunctionPostMessage(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSWorker*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "Worker", "postMessage");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSWorker::info());
     return JSValue::encode(castedThis->postMessage(*state));
 }

 EncodedJSValue JSC_HOST_CALL jsWorkerPrototypeFunctionTerminate(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSWorker*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "Worker", "terminate");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSWorker::info());
     auto& impl = castedThis->wrapped();
     impl.terminate();
     return JSValue::encode(jsUndefined());
 }

 void JSWorker::visitChildren(JSCell* cell, SlotVisitor& visitor)
 {
     auto* thisObject = jsCast<JSWorker*>(cell);
     ASSERT_GC_OBJECT_INHERITS(thisObject, info());
     Base::visitChildren(thisObject, visitor);
     thisObject->wrapped().visitJSEventListeners(visitor);
 }

 bool JSWorkerOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
 {
     auto* jsWorker = jsCast<JSWorker*>(handle.slot()->asCell());
     if (jsWorker->wrapped().hasPendingActivity())
         return true;
     if (jsWorker->wrapped().isFiringEventListeners())
         return true;
     UNUSED_PARAM(visitor);
     return false;
 }

 void JSWorkerOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
 {
     auto* jsWorker = jsCast<JSWorker*>(handle.slot()->asCell());
     auto& world = *static_cast<DOMWrapperWorld*>(context);
     uncacheWrapper(world, &jsWorker->wrapped(), jsWorker);
 }

 #if ENABLE(BINDING_INTEGRITY)
 #if PLATFORM(WIN)
 #pragma warning(disable: 4483)
 extern "C" { extern void (*const __identifier("??_7Worker@WebCore@@6B@")[])(); }
 #else
 extern "C" { extern void* _ZTVN7WebCore6WorkerE[]; }
 #endif
 #endif

 JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<Worker>&& impl)
 {

 #if ENABLE(BINDING_INTEGRITY)
     void* actualVTablePointer = *(reinterpret_cast<void**>(impl.ptr()));
 #if PLATFORM(WIN)
     void* expectedVTablePointer = reinterpret_cast<void*>(__identifier("??_7Worker@WebCore@@6B@"));
 #else
     void* expectedVTablePointer = &_ZTVN7WebCore6WorkerE[2];
 #if COMPILER(CLANG)
     // If this fails Worker does not have a vtable, so you need to add the
     // ImplementationLacksVTable attribute to the interface definition
     static_assert(__is_polymorphic(Worker), "Worker is not polymorphic");
 #endif
 #endif
     // If you hit this assertion you either have a use after free bug, or
     // Worker has subclasses. If Worker has subclasses that get passed
     // to toJS() we currently require Worker you to opt out of binding hardening
     // by adding the SkipVTableValidation attribute to the interface IDL definition
     RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
 #endif
     return createWrapper<Worker>(globalObject, WTFMove(impl));
 }

 JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, Worker& impl)
 {
     return wrap(state, globalObject, impl);
 }

 Worker* JSWorker::toWrapped(JSC::JSValue value)
 {
     if (auto* wrapper = jsDynamicCast<JSWorker*>(value))
         return &wrapper->wrapped();
     return nullptr;
 }

 }
	/*
	This file is part of the WebKit open source project.
	This file has been generated by generate-bindings.pl. DO NOT MODIFY!

	This library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Library General Public
	License as published by the Free Software Foundation; either
	version 2 of the License, or (at your option) any later version.

	This library is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	Library General Public License for more details.

	You should have received a copy of the GNU Library General Public License
	along with this library; see the file COPYING.LIB. If not, write to
	the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	Boston, MA 02110-1301, USA.
	*/

	#include "config.h"
	#include "JSWorker.h"

	#include "EventNames.h"
	#include "ExceptionCode.h"
	#include "JSDOMBinding.h"
	#include "JSDOMConstructor.h"
	#include "JSEventListener.h"
	#include <runtime/Error.h>
	#include <wtf/GetPtr.h>

	using namespace JSC;

	namespace WebCore {

	// Functions

	JSC::EncodedJSValue JSC_HOST_CALL jsWorkerPrototypeFunctionPostMessage(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsWorkerPrototypeFunctionTerminate(JSC::ExecState*);

	// Attributes

	JSC::EncodedJSValue jsWorkerOnmessage(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSWorkerOnmessage(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
	JSC::EncodedJSValue jsWorkerOnerror(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSWorkerOnerror(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
	JSC::EncodedJSValue jsWorkerConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSWorkerConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

	class JSWorkerPrototype : public JSC::JSNonFinalObject {
	public:
	typedef JSC::JSNonFinalObject Base;
	static JSWorkerPrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
	{
	JSWorkerPrototype* ptr = new (NotNull, JSC::allocateCell<JSWorkerPrototype>(vm.heap)) JSWorkerPrototype(vm, globalObject, structure);
	ptr->finishCreation(vm);
	return ptr;
	}

	DECLARE_INFO;
	static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
	{
	return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
	}

	private:
	JSWorkerPrototype(JSC::VM& vm, JSC::JSGlobalObject, JSC::Structure structure)
	: JSC::JSNonFinalObject(vm, structure)
	{
	}

	void finishCreation(JSC::VM&);
	};

	typedef JSDOMConstructor<JSWorker> JSWorkerConstructor;

	template<> JSC::EncodedJSValue JSC_HOST_CALL JSWorkerConstructor::construct(JSC::ExecState* exec)
	{
	ASSERT(exec);
	return constructJSWorker(*exec);
	}

	template<> JSValue JSWorkerConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
	{
	return JSEventTarget::getConstructor(vm, &globalObject);
	}

	template<> void JSWorkerConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
	{
	putDirect(vm, vm.propertyNames->prototype, JSWorker::prototype(vm, &globalObject), DontDelete \| ReadOnly \| DontEnum);
	putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("Worker"))), ReadOnly \| DontEnum);
	putDirect(vm, vm.propertyNames->length, jsNumber(1), ReadOnly \| DontEnum);
	}

	template<> const ClassInfo JSWorkerConstructor::s_info = { "Worker", &Base::s_info, 0, CREATE_METHOD_TABLE(JSWorkerConstructor) };

	/* Hash table for prototype */

	static const HashTableValue JSWorkerPrototypeTableValues[] =
	{
	{ "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsWorkerConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWorkerConstructor) } },
	{ "onmessage", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsWorkerOnmessage), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWorkerOnmessage) } },
	{ "onerror", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsWorkerOnerror), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSWorkerOnerror) } },
	{ "postMessage", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsWorkerPrototypeFunctionPostMessage), (intptr_t) (1) } },
	{ "terminate", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsWorkerPrototypeFunctionTerminate), (intptr_t) (0) } },
	};

	const ClassInfo JSWorkerPrototype::s_info = { "WorkerPrototype", &Base::s_info, 0, CREATE_METHOD_TABLE(JSWorkerPrototype) };

	void JSWorkerPrototype::finishCreation(VM& vm)
	{
	Base::finishCreation(vm);
	reifyStaticProperties(vm, JSWorkerPrototypeTableValues, *this);
	}

	const ClassInfo JSWorker::s_info = { "Worker", &Base::s_info, 0, CREATE_METHOD_TABLE(JSWorker) };

	JSWorker::JSWorker(Structure* structure, JSDOMGlobalObject& globalObject, Ref<Worker>&& impl)
	: JSEventTarget(structure, globalObject, WTFMove(impl))
	{
	}

	JSObject* JSWorker::createPrototype(VM& vm, JSGlobalObject* globalObject)
	{
	return JSWorkerPrototype::create(vm, globalObject, JSWorkerPrototype::createStructure(vm, globalObject, JSEventTarget::prototype(vm, globalObject)));
	}

	JSObject* JSWorker::prototype(VM& vm, JSGlobalObject* globalObject)
	{
	return getDOMPrototype<JSWorker>(vm, globalObject);
	}

	EncodedJSValue jsWorkerOnmessage(ExecState* state, EncodedJSValue thisValue, PropertyName)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	UNUSED_PARAM(thisValue);
	JSValue decodedThisValue = JSValue::decode(thisValue);
	auto* castedThis = jsDynamicCast<JSWorker*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "Worker", "onmessage");
	}
	UNUSED_PARAM(state);
	return JSValue::encode(eventHandlerAttribute(castedThis->wrapped(), eventNames().messageEvent));
	}


	EncodedJSValue jsWorkerOnerror(ExecState* state, EncodedJSValue thisValue, PropertyName)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	UNUSED_PARAM(thisValue);
	JSValue decodedThisValue = JSValue::decode(thisValue);
	auto* castedThis = jsDynamicCast<JSWorker*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "Worker", "onerror");
	}
	UNUSED_PARAM(state);
	return JSValue::encode(eventHandlerAttribute(castedThis->wrapped(), eventNames().errorEvent));
	}


	EncodedJSValue jsWorkerConstructor(ExecState* state, EncodedJSValue thisValue, PropertyName)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	JSWorkerPrototype* domObject = jsDynamicCast<JSWorkerPrototype*>(JSValue::decode(thisValue));
	if (UNLIKELY(!domObject))
	return throwVMTypeError(state, throwScope);
	return JSValue::encode(JSWorker::getConstructor(state->vm(), domObject->globalObject()));
	}

	bool setJSWorkerConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	JSValue value = JSValue::decode(encodedValue);
	JSWorkerPrototype* domObject = jsDynamicCast<JSWorkerPrototype*>(JSValue::decode(thisValue));
	if (UNLIKELY(!domObject)) {
	throwVMTypeError(state, throwScope);
	return false;
	}
	// Shadowing a built-in constructor
	return domObject->putDirect(state->vm(), state->propertyNames().constructor, value);
	}

	bool setJSWorkerOnmessage(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue value = JSValue::decode(encodedValue);
	UNUSED_PARAM(thisValue);
	JSWorker* castedThis = jsDynamicCast<JSWorker*>(JSValue::decode(thisValue));
	if (UNLIKELY(!castedThis)) {
	return throwSetterTypeError(*state, throwScope, "Worker", "onmessage");
	}
	setEventHandlerAttribute(state, castedThis, castedThis->wrapped(), eventNames().messageEvent, value);
	return true;
	}


	bool setJSWorkerOnerror(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue value = JSValue::decode(encodedValue);
	UNUSED_PARAM(thisValue);
	JSWorker* castedThis = jsDynamicCast<JSWorker*>(JSValue::decode(thisValue));
	if (UNLIKELY(!castedThis)) {
	return throwSetterTypeError(*state, throwScope, "Worker", "onerror");
	}
	setEventHandlerAttribute(state, castedThis, castedThis->wrapped(), eventNames().errorEvent, value);
	return true;
	}


	JSValue JSWorker::getConstructor(VM& vm, const JSGlobalObject* globalObject)
	{
	return getDOMConstructor<JSWorkerConstructor>(vm, jsCast<const JSDOMGlobalObject>(globalObject));
	}

	EncodedJSValue JSC_HOST_CALL jsWorkerPrototypeFunctionPostMessage(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSWorker*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "Worker", "postMessage");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSWorker::info());
	return JSValue::encode(castedThis->postMessage(*state));
	}

	EncodedJSValue JSC_HOST_CALL jsWorkerPrototypeFunctionTerminate(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSWorker*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "Worker", "terminate");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSWorker::info());
	auto& impl = castedThis->wrapped();
	impl.terminate();
	return JSValue::encode(jsUndefined());
	}

	void JSWorker::visitChildren(JSCell* cell, SlotVisitor& visitor)
	{
	auto* thisObject = jsCast<JSWorker*>(cell);
	ASSERT_GC_OBJECT_INHERITS(thisObject, info());
	Base::visitChildren(thisObject, visitor);
	thisObject->wrapped().visitJSEventListeners(visitor);
	}

	bool JSWorkerOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
	{
	auto* jsWorker = jsCast<JSWorker*>(handle.slot()->asCell());
	if (jsWorker->wrapped().hasPendingActivity())
	return true;
	if (jsWorker->wrapped().isFiringEventListeners())
	return true;
	UNUSED_PARAM(visitor);
	return false;
	}

	void JSWorkerOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
	{
	auto* jsWorker = jsCast<JSWorker*>(handle.slot()->asCell());
	auto& world = static_cast<DOMWrapperWorld>(context);
	uncacheWrapper(world, &jsWorker->wrapped(), jsWorker);
	}

	#if ENABLE(BINDING_INTEGRITY)
	#if PLATFORM(WIN)
	#pragma warning(disable: 4483)
	extern "C" { extern void (*const __identifier("??_7Worker@WebCore@@6B@")[])(); }
	#else
	extern "C" { extern void* _ZTVN7WebCore6WorkerE[]; }
	#endif
	#endif

	JSC::JSValue toJSNewlyCreated(JSC::ExecState, JSDOMGlobalObject globalObject, Ref<Worker>&& impl)
	{

	#if ENABLE(BINDING_INTEGRITY)
	void* actualVTablePointer = (reinterpret_cast<void*>(impl.ptr()));
	#if PLATFORM(WIN)
	void* expectedVTablePointer = reinterpret_cast<void*>(__identifier("??_7Worker@WebCore@@6B@"));
	#else
	void* expectedVTablePointer = &_ZTVN7WebCore6WorkerE[2];
	#if COMPILER(CLANG)
	// If this fails Worker does not have a vtable, so you need to add the
	// ImplementationLacksVTable attribute to the interface definition
	static_assert(__is_polymorphic(Worker), "Worker is not polymorphic");
	#endif
	#endif
	// If you hit this assertion you either have a use after free bug, or
	// Worker has subclasses. If Worker has subclasses that get passed
	// to toJS() we currently require Worker you to opt out of binding hardening
	// by adding the SkipVTableValidation attribute to the interface IDL definition
	RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
	#endif
	return createWrapper<Worker>(globalObject, WTFMove(impl));
	}

	JSC::JSValue toJS(JSC::ExecState* state, JSDOMGlobalObject* globalObject, Worker& impl)
	{
	return wrap(state, globalObject, impl);
	}

	Worker* JSWorker::toWrapped(JSC::JSValue value)
	{
	if (auto* wrapper = jsDynamicCast<JSWorker*>(value))
	return &wrapper->wrapped();
	return nullptr;
	}

	}