DerivedSources/WebCore/JSHistory.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 "JSHistory.h"

 #include "Document.h"
 #include "ExceptionCode.h"
 #include "JSDOMBinding.h"
 #include "JSDOMConstructor.h"
 #include "JSDOMConvert.h"
 #include <runtime/Error.h>
 #include <runtime/FunctionPrototype.h>
 #include <wtf/GetPtr.h>

 using namespace JSC;

 namespace WebCore {

 // Functions

 JSC::EncodedJSValue JSC_HOST_CALL jsHistoryPrototypeFunctionPushState(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsHistoryPrototypeFunctionReplaceState(JSC::ExecState*);

 // Attributes

 JSC::EncodedJSValue jsHistoryLength(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 JSC::EncodedJSValue jsHistoryState(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 JSC::EncodedJSValue jsHistoryConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSHistoryConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

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

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

 typedef JSDOMConstructorNotConstructable<JSHistory> JSHistoryConstructor;

 template<> JSValue JSHistoryConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
 {
     UNUSED_PARAM(vm);
     return globalObject.functionPrototype();
 }

 template<> void JSHistoryConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
 {
     putDirect(vm, vm.propertyNames->prototype, JSHistory::prototype(vm, &globalObject), DontDelete | ReadOnly | DontEnum);
     putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("History"))), ReadOnly | DontEnum);
     putDirect(vm, vm.propertyNames->length, jsNumber(0), ReadOnly | DontEnum);
 }

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

 /* Hash table for prototype */

 static const HashTableValue JSHistoryPrototypeTableValues[] =
 {
     { "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHistoryConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSHistoryConstructor) } },
     { "length", ReadOnly | CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHistoryLength), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
     { "state", ReadOnly | CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHistoryState), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
     { "back", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHistoryPrototypeFunctionBack), (intptr_t) (0) } },
     { "forward", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHistoryPrototypeFunctionForward), (intptr_t) (0) } },
     { "go", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHistoryPrototypeFunctionGo), (intptr_t) (0) } },
     { "pushState", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHistoryPrototypeFunctionPushState), (intptr_t) (2) } },
     { "replaceState", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHistoryPrototypeFunctionReplaceState), (intptr_t) (2) } },
 };

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

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

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

 JSHistory::JSHistory(Structure* structure, JSDOMGlobalObject& globalObject, Ref<History>&& impl)
     : JSDOMWrapper<History>(structure, globalObject, WTFMove(impl))
 {
 }

 JSObject* JSHistory::createPrototype(VM& vm, JSGlobalObject* globalObject)
 {
     return JSHistoryPrototype::create(vm, globalObject, JSHistoryPrototype::createStructure(vm, globalObject, globalObject->objectPrototype()));
 }

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

 void JSHistory::destroy(JSC::JSCell* cell)
 {
     JSHistory* thisObject = static_cast<JSHistory*>(cell);
     thisObject->JSHistory::~JSHistory();
 }

 EncodedJSValue jsHistoryLength(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<JSHistory*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "History", "length");
     }
     auto& impl = castedThis->wrapped();
     JSValue result = jsNumber(impl.length());
     return JSValue::encode(result);
 }


 EncodedJSValue jsHistoryState(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<JSHistory*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "History", "state");
     }
     return JSValue::encode(castedThis->state(*state));
 }


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

 bool setJSHistoryConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     JSValue value = JSValue::decode(encodedValue);
     JSHistoryPrototype* domObject = jsDynamicCast<JSHistoryPrototype*>(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);
 }

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

 EncodedJSValue JSC_HOST_CALL jsHistoryPrototypeFunctionBack(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSHistory*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "History", "back");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSHistory::info());
     auto& impl = castedThis->wrapped();
     auto* context = jsCast<JSDOMGlobalObject*>(state->lexicalGlobalObject())->scriptExecutionContext();
     if (!context)
         return JSValue::encode(jsUndefined());
     ASSERT(context->isDocument());
     auto& document = downcast<Document>(*context);
     impl.back(document);
     return JSValue::encode(jsUndefined());
 }

 EncodedJSValue JSC_HOST_CALL jsHistoryPrototypeFunctionForward(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSHistory*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "History", "forward");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSHistory::info());
     auto& impl = castedThis->wrapped();
     auto* context = jsCast<JSDOMGlobalObject*>(state->lexicalGlobalObject())->scriptExecutionContext();
     if (!context)
         return JSValue::encode(jsUndefined());
     ASSERT(context->isDocument());
     auto& document = downcast<Document>(*context);
     impl.forward(document);
     return JSValue::encode(jsUndefined());
 }

 EncodedJSValue JSC_HOST_CALL jsHistoryPrototypeFunctionGo(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSHistory*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "History", "go");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSHistory::info());
     auto& impl = castedThis->wrapped();
     auto* context = jsCast<JSDOMGlobalObject*>(state->lexicalGlobalObject())->scriptExecutionContext();
     if (!context)
         return JSValue::encode(jsUndefined());
     ASSERT(context->isDocument());
     auto& document = downcast<Document>(*context);
     auto distance = convert<int32_t>(*state, state->argument(0), NormalConversion);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     impl.go(document, WTFMove(distance));
     return JSValue::encode(jsUndefined());
 }

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

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

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

 bool JSHistoryOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
 {
     auto* jsHistory = jsCast<JSHistory*>(handle.slot()->asCell());
     Frame* root = WTF::getPtr(jsHistory->wrapped().frame());
     if (!root)
         return false;
     return visitor.containsOpaqueRoot(root);
 }

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

 #if ENABLE(BINDING_INTEGRITY)
 #if PLATFORM(WIN)
 #pragma warning(disable: 4483)
 extern "C" { extern void (*const __identifier("??_7History@WebCore@@6B@")[])(); }
 #else
 extern "C" { extern void* _ZTVN7WebCore7HistoryE[]; }
 #endif
 #endif

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

 #if ENABLE(BINDING_INTEGRITY)
     void* actualVTablePointer = *(reinterpret_cast<void**>(impl.ptr()));
 #if PLATFORM(WIN)
     void* expectedVTablePointer = reinterpret_cast<void*>(__identifier("??_7History@WebCore@@6B@"));
 #else
     void* expectedVTablePointer = &_ZTVN7WebCore7HistoryE[2];
 #if COMPILER(CLANG)
     // If this fails History does not have a vtable, so you need to add the
     // ImplementationLacksVTable attribute to the interface definition
     static_assert(__is_polymorphic(History), "History is not polymorphic");
 #endif
 #endif
     // If you hit this assertion you either have a use after free bug, or
     // History has subclasses. If History has subclasses that get passed
     // to toJS() we currently require History you to opt out of binding hardening
     // by adding the SkipVTableValidation attribute to the interface IDL definition
     RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
 #endif
     return createWrapper<History>(globalObject, WTFMove(impl));
 }

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

 History* JSHistory::toWrapped(JSC::JSValue value)
 {
     if (auto* wrapper = jsDynamicCast<JSHistory*>(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 "JSHistory.h"

	#include "Document.h"
	#include "ExceptionCode.h"
	#include "JSDOMBinding.h"
	#include "JSDOMConstructor.h"
	#include "JSDOMConvert.h"
	#include <runtime/Error.h>
	#include <runtime/FunctionPrototype.h>
	#include <wtf/GetPtr.h>

	using namespace JSC;

	namespace WebCore {

	// Functions

	JSC::EncodedJSValue JSC_HOST_CALL jsHistoryPrototypeFunctionPushState(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsHistoryPrototypeFunctionReplaceState(JSC::ExecState*);

	// Attributes

	JSC::EncodedJSValue jsHistoryLength(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	JSC::EncodedJSValue jsHistoryState(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	JSC::EncodedJSValue jsHistoryConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSHistoryConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

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

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

	typedef JSDOMConstructorNotConstructable<JSHistory> JSHistoryConstructor;

	template<> JSValue JSHistoryConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
	{
	UNUSED_PARAM(vm);
	return globalObject.functionPrototype();
	}

	template<> void JSHistoryConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
	{
	putDirect(vm, vm.propertyNames->prototype, JSHistory::prototype(vm, &globalObject), DontDelete \| ReadOnly \| DontEnum);
	putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("History"))), ReadOnly \| DontEnum);
	putDirect(vm, vm.propertyNames->length, jsNumber(0), ReadOnly \| DontEnum);
	}

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

	/* Hash table for prototype */

	static const HashTableValue JSHistoryPrototypeTableValues[] =
	{
	{ "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHistoryConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSHistoryConstructor) } },
	{ "length", ReadOnly \| CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHistoryLength), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
	{ "state", ReadOnly \| CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsHistoryState), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
	{ "back", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHistoryPrototypeFunctionBack), (intptr_t) (0) } },
	{ "forward", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHistoryPrototypeFunctionForward), (intptr_t) (0) } },
	{ "go", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHistoryPrototypeFunctionGo), (intptr_t) (0) } },
	{ "pushState", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHistoryPrototypeFunctionPushState), (intptr_t) (2) } },
	{ "replaceState", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsHistoryPrototypeFunctionReplaceState), (intptr_t) (2) } },
	};

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

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

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

	JSHistory::JSHistory(Structure* structure, JSDOMGlobalObject& globalObject, Ref<History>&& impl)
	: JSDOMWrapper<History>(structure, globalObject, WTFMove(impl))
	{
	}

	JSObject* JSHistory::createPrototype(VM& vm, JSGlobalObject* globalObject)
	{
	return JSHistoryPrototype::create(vm, globalObject, JSHistoryPrototype::createStructure(vm, globalObject, globalObject->objectPrototype()));
	}

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

	void JSHistory::destroy(JSC::JSCell* cell)
	{
	JSHistory* thisObject = static_cast<JSHistory*>(cell);
	thisObject->JSHistory::~JSHistory();
	}

	EncodedJSValue jsHistoryLength(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<JSHistory*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "History", "length");
	}
	auto& impl = castedThis->wrapped();
	JSValue result = jsNumber(impl.length());
	return JSValue::encode(result);
	}


	EncodedJSValue jsHistoryState(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<JSHistory*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "History", "state");
	}
	return JSValue::encode(castedThis->state(*state));
	}


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

	bool setJSHistoryConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	JSValue value = JSValue::decode(encodedValue);
	JSHistoryPrototype* domObject = jsDynamicCast<JSHistoryPrototype*>(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);
	}

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

	EncodedJSValue JSC_HOST_CALL jsHistoryPrototypeFunctionBack(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSHistory*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "History", "back");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSHistory::info());
	auto& impl = castedThis->wrapped();
	auto* context = jsCast<JSDOMGlobalObject*>(state->lexicalGlobalObject())->scriptExecutionContext();
	if (!context)
	return JSValue::encode(jsUndefined());
	ASSERT(context->isDocument());
	auto& document = downcast<Document>(*context);
	impl.back(document);
	return JSValue::encode(jsUndefined());
	}

	EncodedJSValue JSC_HOST_CALL jsHistoryPrototypeFunctionForward(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSHistory*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "History", "forward");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSHistory::info());
	auto& impl = castedThis->wrapped();
	auto* context = jsCast<JSDOMGlobalObject*>(state->lexicalGlobalObject())->scriptExecutionContext();
	if (!context)
	return JSValue::encode(jsUndefined());
	ASSERT(context->isDocument());
	auto& document = downcast<Document>(*context);
	impl.forward(document);
	return JSValue::encode(jsUndefined());
	}

	EncodedJSValue JSC_HOST_CALL jsHistoryPrototypeFunctionGo(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSHistory*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "History", "go");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSHistory::info());
	auto& impl = castedThis->wrapped();
	auto* context = jsCast<JSDOMGlobalObject*>(state->lexicalGlobalObject())->scriptExecutionContext();
	if (!context)
	return JSValue::encode(jsUndefined());
	ASSERT(context->isDocument());
	auto& document = downcast<Document>(*context);
	auto distance = convert<int32_t>(*state, state->argument(0), NormalConversion);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	impl.go(document, WTFMove(distance));
	return JSValue::encode(jsUndefined());
	}

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

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

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

	bool JSHistoryOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
	{
	auto* jsHistory = jsCast<JSHistory*>(handle.slot()->asCell());
	Frame* root = WTF::getPtr(jsHistory->wrapped().frame());
	if (!root)
	return false;
	return visitor.containsOpaqueRoot(root);
	}

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

	#if ENABLE(BINDING_INTEGRITY)
	#if PLATFORM(WIN)
	#pragma warning(disable: 4483)
	extern "C" { extern void (*const __identifier("??_7History@WebCore@@6B@")[])(); }
	#else
	extern "C" { extern void* _ZTVN7WebCore7HistoryE[]; }
	#endif
	#endif

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

	#if ENABLE(BINDING_INTEGRITY)
	void* actualVTablePointer = (reinterpret_cast<void*>(impl.ptr()));
	#if PLATFORM(WIN)
	void* expectedVTablePointer = reinterpret_cast<void*>(__identifier("??_7History@WebCore@@6B@"));
	#else
	void* expectedVTablePointer = &_ZTVN7WebCore7HistoryE[2];
	#if COMPILER(CLANG)
	// If this fails History does not have a vtable, so you need to add the
	// ImplementationLacksVTable attribute to the interface definition
	static_assert(__is_polymorphic(History), "History is not polymorphic");
	#endif
	#endif
	// If you hit this assertion you either have a use after free bug, or
	// History has subclasses. If History has subclasses that get passed
	// to toJS() we currently require History you to opt out of binding hardening
	// by adding the SkipVTableValidation attribute to the interface IDL definition
	RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
	#endif
	return createWrapper<History>(globalObject, WTFMove(impl));
	}

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

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

	}