Source/WebCore/bindings/scripts/test/JS/JSTestCallbackInterface.cpp - 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"

 #if ENABLE(TEST_CONDITIONAL)

 #include "JSTestCallbackInterface.h"

 #include "JSDOMConstructorNotConstructable.h"
 #include "JSDOMConvertBoolean.h"
 #include "JSDOMConvertBufferSource.h"
 #include "JSDOMConvertInterface.h"
 #include "JSDOMConvertNumbers.h"
 #include "JSDOMConvertSerializedScriptValue.h"
 #include "JSDOMConvertStrings.h"
 #include "JSDOMExceptionHandling.h"
 #include "JSDOMGlobalObject.h"
 #include "JSDOMStringList.h"
 #include "JSTestNode.h"
 #include "JSTestObj.h"
 #include "ScriptExecutionContext.h"
 #include "SerializedScriptValue.h"
 #include <JavaScriptCore/FunctionPrototype.h>
 #include <JavaScriptCore/JSCInlines.h>
 #include <JavaScriptCore/JSString.h>
 #include <wtf/NeverDestroyed.h>


 namespace WebCore {
 using namespace JSC;

 String convertEnumerationToString(TestCallbackInterface::Enum enumerationValue)
 {
     static const NeverDestroyed<String> values[] = {
         MAKE_STATIC_STRING_IMPL("value1"),
         MAKE_STATIC_STRING_IMPL("value2"),
     };
     static_assert(static_cast<size_t>(TestCallbackInterface::Enum::Value1) == 0, "TestCallbackInterface::Enum::Value1 is not 0 as expected");
     static_assert(static_cast<size_t>(TestCallbackInterface::Enum::Value2) == 1, "TestCallbackInterface::Enum::Value2 is not 1 as expected");
     ASSERT(static_cast<size_t>(enumerationValue) < WTF_ARRAY_LENGTH(values));
     return values[static_cast<size_t>(enumerationValue)];
 }

 template<> JSString* convertEnumerationToJS(ExecState& state, TestCallbackInterface::Enum enumerationValue)
 {
     return jsStringWithCache(&state, convertEnumerationToString(enumerationValue));
 }

 template<> std::optional<TestCallbackInterface::Enum> parseEnumeration<TestCallbackInterface::Enum>(ExecState& state, JSValue value)
 {
     auto stringValue = value.toWTFString(&state);
     if (stringValue == "value1")
         return TestCallbackInterface::Enum::Value1;
     if (stringValue == "value2")
         return TestCallbackInterface::Enum::Value2;
     return std::nullopt;
 }

 template<> const char* expectedEnumerationValues<TestCallbackInterface::Enum>()
 {
     return "\"value1\", \"value2\"";
 }

 template<> TestCallbackInterface::Dictionary convertDictionary<TestCallbackInterface::Dictionary>(ExecState& state, JSValue value)
 {
     VM& vm = state.vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     bool isNullOrUndefined = value.isUndefinedOrNull();
     auto* object = isNullOrUndefined ? nullptr : value.getObject();
     if (UNLIKELY(!isNullOrUndefined && !object)) {
         throwTypeError(&state, throwScope);
         return { };
     }
     TestCallbackInterface::Dictionary result;
     JSValue optionalMemberValue;
     if (isNullOrUndefined)
         optionalMemberValue = jsUndefined();
     else {
         optionalMemberValue = object->get(&state, Identifier::fromString(&state, "optionalMember"));
         RETURN_IF_EXCEPTION(throwScope, { });
     }
     if (!optionalMemberValue.isUndefined()) {
         result.optionalMember = convert<IDLLong>(state, optionalMemberValue);
         RETURN_IF_EXCEPTION(throwScope, { });
     }
     JSValue requiredMemberValue;
     if (isNullOrUndefined)
         requiredMemberValue = jsUndefined();
     else {
         requiredMemberValue = object->get(&state, Identifier::fromString(&state, "requiredMember"));
         RETURN_IF_EXCEPTION(throwScope, { });
     }
     if (!requiredMemberValue.isUndefined()) {
         result.requiredMember = convert<IDLUSVString>(state, requiredMemberValue);
         RETURN_IF_EXCEPTION(throwScope, { });
     } else {
         throwRequiredMemberTypeError(state, throwScope, "requiredMember", "TestCallbackInterfaceDictionary", "USVString");
         return { };
     }
     return result;
 }

 JSTestCallbackInterface::JSTestCallbackInterface(JSObject* callback, JSDOMGlobalObject* globalObject)
     : TestCallbackInterface(globalObject->scriptExecutionContext())
     , m_data(new JSCallbackDataStrong(callback, globalObject, this))
 {
 }

 JSTestCallbackInterface::~JSTestCallbackInterface()
 {
     ScriptExecutionContext* context = scriptExecutionContext();
     // When the context is destroyed, all tasks with a reference to a callback
     // should be deleted. So if the context is 0, we are on the context thread.
     if (!context || context->isContextThread())
         delete m_data;
     else
         context->postTask(DeleteCallbackDataTask(m_data));
 #ifndef NDEBUG
     m_data = nullptr;
 #endif
 }

 using JSTestCallbackInterfaceConstructor = JSDOMConstructorNotConstructable<JSTestCallbackInterface>;

 /* Hash table for constructor */

 static const HashTableValue JSTestCallbackInterfaceConstructorTableValues[] =
 {
     { "CONSTANT1", JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(1) } },
     { "CONSTANT2", JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(2) } },
 };

 static_assert(TestCallbackInterface::CONSTANT1 == 1, "CONSTANT1 in TestCallbackInterface does not match value from IDL");
 static_assert(TestCallbackInterface::CONSTANT2 == 2, "CONSTANT2 in TestCallbackInterface does not match value from IDL");

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

 template<> void JSTestCallbackInterfaceConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
 {
     UNUSED_PARAM(globalObject);
     putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("TestCallbackInterface"))), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
     putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
     reifyStaticProperties(vm, nullptr, JSTestCallbackInterfaceConstructorTableValues, *this);
 }

 template<> const ClassInfo JSTestCallbackInterfaceConstructor::s_info = { "TestCallbackInterface", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTestCallbackInterfaceConstructor) };

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

 CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackWithNoParam()
 {
     if (!canInvokeCallback())
         return CallbackResultType::UnableToExecute;

     Ref<JSTestCallbackInterface> protectedThis(*this);

     auto& globalObject = *m_data->globalObject();
     auto& vm = globalObject.vm();

     JSLockHolder lock(vm);
     auto& state = *globalObject.globalExec();
     JSValue thisValue = jsUndefined();
     MarkedArgumentBuffer args;
     ASSERT(!args.hasOverflowed());

     NakedPtr<JSC::Exception> returnedException;
     m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithNoParam"), returnedException);
     if (returnedException) {
         reportException(&state, returnedException);
         return CallbackResultType::ExceptionThrown;
      }

     return { };
 }

 CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackWithArrayParam(typename IDLFloat32Array::ParameterType arrayParam)
 {
     if (!canInvokeCallback())
         return CallbackResultType::UnableToExecute;

     Ref<JSTestCallbackInterface> protectedThis(*this);

     auto& globalObject = *m_data->globalObject();
     auto& vm = globalObject.vm();

     JSLockHolder lock(vm);
     auto& state = *globalObject.globalExec();
     JSValue thisValue = jsUndefined();
     MarkedArgumentBuffer args;
     args.append(toJS<IDLFloat32Array>(state, globalObject, arrayParam));
     ASSERT(!args.hasOverflowed());

     NakedPtr<JSC::Exception> returnedException;
     m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithArrayParam"), returnedException);
     if (returnedException) {
         reportException(&state, returnedException);
         return CallbackResultType::ExceptionThrown;
      }

     return { };
 }

 CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackWithSerializedScriptValueParam(typename IDLSerializedScriptValue<SerializedScriptValue>::ParameterType srzParam, typename IDLDOMString::ParameterType strParam)
 {
     if (!canInvokeCallback())
         return CallbackResultType::UnableToExecute;

     Ref<JSTestCallbackInterface> protectedThis(*this);

     auto& globalObject = *m_data->globalObject();
     auto& vm = globalObject.vm();

     JSLockHolder lock(vm);
     auto& state = *globalObject.globalExec();
     JSValue thisValue = jsUndefined();
     MarkedArgumentBuffer args;
     args.append(toJS<IDLSerializedScriptValue<SerializedScriptValue>>(state, globalObject, srzParam));
     args.append(toJS<IDLDOMString>(state, strParam));
     ASSERT(!args.hasOverflowed());

     NakedPtr<JSC::Exception> returnedException;
     m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithSerializedScriptValueParam"), returnedException);
     if (returnedException) {
         reportException(&state, returnedException);
         return CallbackResultType::ExceptionThrown;
      }

     return { };
 }

 CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackWithStringList(typename IDLInterface<DOMStringList>::ParameterType listParam)
 {
     if (!canInvokeCallback())
         return CallbackResultType::UnableToExecute;

     Ref<JSTestCallbackInterface> protectedThis(*this);

     auto& globalObject = *m_data->globalObject();
     auto& vm = globalObject.vm();

     JSLockHolder lock(vm);
     auto& state = *globalObject.globalExec();
     JSValue thisValue = jsUndefined();
     MarkedArgumentBuffer args;
     args.append(toJS<IDLInterface<DOMStringList>>(state, globalObject, listParam));
     ASSERT(!args.hasOverflowed());

     NakedPtr<JSC::Exception> returnedException;
     m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithStringList"), returnedException);
     if (returnedException) {
         reportException(&state, returnedException);
         return CallbackResultType::ExceptionThrown;
      }

     return { };
 }

 CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackWithBoolean(typename IDLBoolean::ParameterType boolParam)
 {
     if (!canInvokeCallback())
         return CallbackResultType::UnableToExecute;

     Ref<JSTestCallbackInterface> protectedThis(*this);

     auto& globalObject = *m_data->globalObject();
     auto& vm = globalObject.vm();

     JSLockHolder lock(vm);
     auto& state = *globalObject.globalExec();
     JSValue thisValue = jsUndefined();
     MarkedArgumentBuffer args;
     args.append(toJS<IDLBoolean>(boolParam));
     ASSERT(!args.hasOverflowed());

     NakedPtr<JSC::Exception> returnedException;
     m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithBoolean"), returnedException);
     if (returnedException) {
         reportException(&state, returnedException);
         return CallbackResultType::ExceptionThrown;
      }

     return { };
 }

 CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackRequiresThisToPass(typename IDLLong::ParameterType longParam, typename IDLInterface<TestNode>::ParameterType testNodeParam)
 {
     if (!canInvokeCallback())
         return CallbackResultType::UnableToExecute;

     Ref<JSTestCallbackInterface> protectedThis(*this);

     auto& globalObject = *m_data->globalObject();
     auto& vm = globalObject.vm();

     JSLockHolder lock(vm);
     auto& state = *globalObject.globalExec();
     JSValue thisValue = jsUndefined();
     MarkedArgumentBuffer args;
     args.append(toJS<IDLLong>(longParam));
     args.append(toJS<IDLInterface<TestNode>>(state, globalObject, testNodeParam));
     ASSERT(!args.hasOverflowed());

     NakedPtr<JSC::Exception> returnedException;
     m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackRequiresThisToPass"), returnedException);
     if (returnedException) {
         reportException(&state, returnedException);
         return CallbackResultType::ExceptionThrown;
      }

     return { };
 }

 CallbackResult<typename IDLDOMString::ImplementationType> JSTestCallbackInterface::callbackWithAReturnValue()
 {
     if (!canInvokeCallback())
         return CallbackResultType::UnableToExecute;

     Ref<JSTestCallbackInterface> protectedThis(*this);

     auto& globalObject = *m_data->globalObject();
     auto& vm = globalObject.vm();

     JSLockHolder lock(vm);
     auto& state = *globalObject.globalExec();
     JSValue thisValue = jsUndefined();
     MarkedArgumentBuffer args;
     ASSERT(!args.hasOverflowed());

     NakedPtr<JSC::Exception> returnedException;
     auto jsResult = m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithAReturnValue"), returnedException);
     if (returnedException) {
         reportException(&state, returnedException);
         return CallbackResultType::ExceptionThrown;
      }

     auto throwScope = DECLARE_THROW_SCOPE(vm);
     auto returnValue = convert<IDLDOMString>(state, jsResult);
     RETURN_IF_EXCEPTION(throwScope, CallbackResultType::ExceptionThrown);
     return WTFMove(returnValue);
 }

 CallbackResult<typename IDLDOMString::ImplementationType> JSTestCallbackInterface::callbackThatRethrowsExceptions(typename IDLEnumeration<TestCallbackInterface::Enum>::ParameterType enumParam)
 {
     if (!canInvokeCallback())
         return CallbackResultType::UnableToExecute;

     Ref<JSTestCallbackInterface> protectedThis(*this);

     auto& globalObject = *m_data->globalObject();
     auto& vm = globalObject.vm();

     JSLockHolder lock(vm);
     auto& state = *globalObject.globalExec();
     JSValue thisValue = jsUndefined();
     MarkedArgumentBuffer args;
     args.append(toJS<IDLEnumeration<TestCallbackInterface::Enum>>(state, enumParam));
     ASSERT(!args.hasOverflowed());

     NakedPtr<JSC::Exception> returnedException;
     auto jsResult = m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackThatRethrowsExceptions"), returnedException);
     if (returnedException) {
         auto throwScope = DECLARE_THROW_SCOPE(vm);
         throwException(&state, throwScope, returnedException);
         return CallbackResultType::ExceptionThrown;
      }

     auto throwScope = DECLARE_THROW_SCOPE(vm);
     auto returnValue = convert<IDLDOMString>(state, jsResult);
     RETURN_IF_EXCEPTION(throwScope, CallbackResultType::ExceptionThrown);
     return WTFMove(returnValue);
 }

 CallbackResult<typename IDLDOMString::ImplementationType> JSTestCallbackInterface::callbackThatSkipsInvokeCheck(typename IDLDictionary<TestCallbackInterface::Dictionary>::ParameterType dictionaryParam)
 {
     Ref<JSTestCallbackInterface> protectedThis(*this);

     auto& globalObject = *m_data->globalObject();
     auto& vm = globalObject.vm();

     JSLockHolder lock(vm);
     auto& state = *globalObject.globalExec();
     JSValue thisValue = jsUndefined();
     MarkedArgumentBuffer args;
     args.append(toJS<IDLDictionary<TestCallbackInterface::Dictionary>>(state, globalObject, dictionaryParam));
     ASSERT(!args.hasOverflowed());

     NakedPtr<JSC::Exception> returnedException;
     auto jsResult = m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackThatSkipsInvokeCheck"), returnedException);
     if (returnedException) {
         reportException(&state, returnedException);
         return CallbackResultType::ExceptionThrown;
      }

     auto throwScope = DECLARE_THROW_SCOPE(vm);
     auto returnValue = convert<IDLDOMString>(state, jsResult);
     RETURN_IF_EXCEPTION(throwScope, CallbackResultType::ExceptionThrown);
     return WTFMove(returnValue);
 }

 CallbackResult<typename IDLDOMString::ImplementationType> JSTestCallbackInterface::callbackWithThisObject(typename IDLInterface<TestNode>::ParameterType thisObject, typename IDLInterface<TestObj>::ParameterType testObjParam)
 {
     if (!canInvokeCallback())
         return CallbackResultType::UnableToExecute;

     Ref<JSTestCallbackInterface> protectedThis(*this);

     auto& globalObject = *m_data->globalObject();
     auto& vm = globalObject.vm();

     JSLockHolder lock(vm);
     auto& state = *globalObject.globalExec();
     JSValue thisValue = toJS<IDLInterface<TestNode>>(state, globalObject, thisObject);
     MarkedArgumentBuffer args;
     args.append(toJS<IDLInterface<TestObj>>(state, globalObject, testObjParam));
     ASSERT(!args.hasOverflowed());

     NakedPtr<JSC::Exception> returnedException;
     auto jsResult = m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithThisObject"), returnedException);
     if (returnedException) {
         reportException(&state, returnedException);
         return CallbackResultType::ExceptionThrown;
      }

     auto throwScope = DECLARE_THROW_SCOPE(vm);
     auto returnValue = convert<IDLDOMString>(state, jsResult);
     RETURN_IF_EXCEPTION(throwScope, CallbackResultType::ExceptionThrown);
     return WTFMove(returnValue);
 }

 JSC::JSValue toJS(TestCallbackInterface& impl)
 {
     if (!static_cast<JSTestCallbackInterface&>(impl).callbackData())
         return jsNull();

     return static_cast<JSTestCallbackInterface&>(impl).callbackData()->callback();
 }

 } // namespace WebCore

 #endif // ENABLE(TEST_CONDITIONAL)
	/*
	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"

	#if ENABLE(TEST_CONDITIONAL)

	#include "JSTestCallbackInterface.h"

	#include "JSDOMConstructorNotConstructable.h"
	#include "JSDOMConvertBoolean.h"
	#include "JSDOMConvertBufferSource.h"
	#include "JSDOMConvertInterface.h"
	#include "JSDOMConvertNumbers.h"
	#include "JSDOMConvertSerializedScriptValue.h"
	#include "JSDOMConvertStrings.h"
	#include "JSDOMExceptionHandling.h"
	#include "JSDOMGlobalObject.h"
	#include "JSDOMStringList.h"
	#include "JSTestNode.h"
	#include "JSTestObj.h"
	#include "ScriptExecutionContext.h"
	#include "SerializedScriptValue.h"
	#include <JavaScriptCore/FunctionPrototype.h>
	#include <JavaScriptCore/JSCInlines.h>
	#include <JavaScriptCore/JSString.h>
	#include <wtf/NeverDestroyed.h>


	namespace WebCore {
	using namespace JSC;

	String convertEnumerationToString(TestCallbackInterface::Enum enumerationValue)
	{
	static const NeverDestroyed<String> values[] = {
	MAKE_STATIC_STRING_IMPL("value1"),
	MAKE_STATIC_STRING_IMPL("value2"),
	};
	static_assert(static_cast<size_t>(TestCallbackInterface::Enum::Value1) == 0, "TestCallbackInterface::Enum::Value1 is not 0 as expected");
	static_assert(static_cast<size_t>(TestCallbackInterface::Enum::Value2) == 1, "TestCallbackInterface::Enum::Value2 is not 1 as expected");
	ASSERT(static_cast<size_t>(enumerationValue) < WTF_ARRAY_LENGTH(values));
	return values[static_cast<size_t>(enumerationValue)];
	}

	template<> JSString* convertEnumerationToJS(ExecState& state, TestCallbackInterface::Enum enumerationValue)
	{
	return jsStringWithCache(&state, convertEnumerationToString(enumerationValue));
	}

	template<> std::optional<TestCallbackInterface::Enum> parseEnumeration<TestCallbackInterface::Enum>(ExecState& state, JSValue value)
	{
	auto stringValue = value.toWTFString(&state);
	if (stringValue == "value1")
	return TestCallbackInterface::Enum::Value1;
	if (stringValue == "value2")
	return TestCallbackInterface::Enum::Value2;
	return std::nullopt;
	}

	template<> const char* expectedEnumerationValues<TestCallbackInterface::Enum>()
	{
	return "\"value1\", \"value2\"";
	}

	template<> TestCallbackInterface::Dictionary convertDictionary<TestCallbackInterface::Dictionary>(ExecState& state, JSValue value)
	{
	VM& vm = state.vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	bool isNullOrUndefined = value.isUndefinedOrNull();
	auto* object = isNullOrUndefined ? nullptr : value.getObject();
	if (UNLIKELY(!isNullOrUndefined && !object)) {
	throwTypeError(&state, throwScope);
	return { };
	}
	TestCallbackInterface::Dictionary result;
	JSValue optionalMemberValue;
	if (isNullOrUndefined)
	optionalMemberValue = jsUndefined();
	else {
	optionalMemberValue = object->get(&state, Identifier::fromString(&state, "optionalMember"));
	RETURN_IF_EXCEPTION(throwScope, { });
	}
	if (!optionalMemberValue.isUndefined()) {
	result.optionalMember = convert<IDLLong>(state, optionalMemberValue);
	RETURN_IF_EXCEPTION(throwScope, { });
	}
	JSValue requiredMemberValue;
	if (isNullOrUndefined)
	requiredMemberValue = jsUndefined();
	else {
	requiredMemberValue = object->get(&state, Identifier::fromString(&state, "requiredMember"));
	RETURN_IF_EXCEPTION(throwScope, { });
	}
	if (!requiredMemberValue.isUndefined()) {
	result.requiredMember = convert<IDLUSVString>(state, requiredMemberValue);
	RETURN_IF_EXCEPTION(throwScope, { });
	} else {
	throwRequiredMemberTypeError(state, throwScope, "requiredMember", "TestCallbackInterfaceDictionary", "USVString");
	return { };
	}
	return result;
	}

	JSTestCallbackInterface::JSTestCallbackInterface(JSObject* callback, JSDOMGlobalObject* globalObject)
	: TestCallbackInterface(globalObject->scriptExecutionContext())
	, m_data(new JSCallbackDataStrong(callback, globalObject, this))
	{
	}

	JSTestCallbackInterface::~JSTestCallbackInterface()
	{
	ScriptExecutionContext* context = scriptExecutionContext();
	// When the context is destroyed, all tasks with a reference to a callback
	// should be deleted. So if the context is 0, we are on the context thread.
	if (!context \|\| context->isContextThread())
	delete m_data;
	else
	context->postTask(DeleteCallbackDataTask(m_data));
	#ifndef NDEBUG
	m_data = nullptr;
	#endif
	}

	using JSTestCallbackInterfaceConstructor = JSDOMConstructorNotConstructable<JSTestCallbackInterface>;

	/* Hash table for constructor */

	static const HashTableValue JSTestCallbackInterfaceConstructorTableValues[] =
	{
	{ "CONSTANT1", JSC::PropertyAttribute::DontDelete \| JSC::PropertyAttribute::ReadOnly \| JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(1) } },
	{ "CONSTANT2", JSC::PropertyAttribute::DontDelete \| JSC::PropertyAttribute::ReadOnly \| JSC::PropertyAttribute::ConstantInteger, NoIntrinsic, { (long long)(2) } },
	};

	static_assert(TestCallbackInterface::CONSTANT1 == 1, "CONSTANT1 in TestCallbackInterface does not match value from IDL");
	static_assert(TestCallbackInterface::CONSTANT2 == 2, "CONSTANT2 in TestCallbackInterface does not match value from IDL");

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

	template<> void JSTestCallbackInterfaceConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
	{
	UNUSED_PARAM(globalObject);
	putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("TestCallbackInterface"))), JSC::PropertyAttribute::ReadOnly \| JSC::PropertyAttribute::DontEnum);
	putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly \| JSC::PropertyAttribute::DontEnum);
	reifyStaticProperties(vm, nullptr, JSTestCallbackInterfaceConstructorTableValues, *this);
	}

	template<> const ClassInfo JSTestCallbackInterfaceConstructor::s_info = { "TestCallbackInterface", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTestCallbackInterfaceConstructor) };

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

	CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackWithNoParam()
	{
	if (!canInvokeCallback())
	return CallbackResultType::UnableToExecute;

	Ref<JSTestCallbackInterface> protectedThis(*this);

	auto& globalObject = *m_data->globalObject();
	auto& vm = globalObject.vm();

	JSLockHolder lock(vm);
	auto& state = *globalObject.globalExec();
	JSValue thisValue = jsUndefined();
	MarkedArgumentBuffer args;
	ASSERT(!args.hasOverflowed());

	NakedPtr<JSC::Exception> returnedException;
	m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithNoParam"), returnedException);
	if (returnedException) {
	reportException(&state, returnedException);
	return CallbackResultType::ExceptionThrown;
	}

	return { };
	}

	CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackWithArrayParam(typename IDLFloat32Array::ParameterType arrayParam)
	{
	if (!canInvokeCallback())
	return CallbackResultType::UnableToExecute;

	Ref<JSTestCallbackInterface> protectedThis(*this);

	auto& globalObject = *m_data->globalObject();
	auto& vm = globalObject.vm();

	JSLockHolder lock(vm);
	auto& state = *globalObject.globalExec();
	JSValue thisValue = jsUndefined();
	MarkedArgumentBuffer args;
	args.append(toJS<IDLFloat32Array>(state, globalObject, arrayParam));
	ASSERT(!args.hasOverflowed());

	NakedPtr<JSC::Exception> returnedException;
	m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithArrayParam"), returnedException);
	if (returnedException) {
	reportException(&state, returnedException);
	return CallbackResultType::ExceptionThrown;
	}

	return { };
	}

	CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackWithSerializedScriptValueParam(typename IDLSerializedScriptValue<SerializedScriptValue>::ParameterType srzParam, typename IDLDOMString::ParameterType strParam)
	{
	if (!canInvokeCallback())
	return CallbackResultType::UnableToExecute;

	Ref<JSTestCallbackInterface> protectedThis(*this);

	auto& globalObject = *m_data->globalObject();
	auto& vm = globalObject.vm();

	JSLockHolder lock(vm);
	auto& state = *globalObject.globalExec();
	JSValue thisValue = jsUndefined();
	MarkedArgumentBuffer args;
	args.append(toJS<IDLSerializedScriptValue<SerializedScriptValue>>(state, globalObject, srzParam));
	args.append(toJS<IDLDOMString>(state, strParam));
	ASSERT(!args.hasOverflowed());

	NakedPtr<JSC::Exception> returnedException;
	m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithSerializedScriptValueParam"), returnedException);
	if (returnedException) {
	reportException(&state, returnedException);
	return CallbackResultType::ExceptionThrown;
	}

	return { };
	}

	CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackWithStringList(typename IDLInterface<DOMStringList>::ParameterType listParam)
	{
	if (!canInvokeCallback())
	return CallbackResultType::UnableToExecute;

	Ref<JSTestCallbackInterface> protectedThis(*this);

	auto& globalObject = *m_data->globalObject();
	auto& vm = globalObject.vm();

	JSLockHolder lock(vm);
	auto& state = *globalObject.globalExec();
	JSValue thisValue = jsUndefined();
	MarkedArgumentBuffer args;
	args.append(toJS<IDLInterface<DOMStringList>>(state, globalObject, listParam));
	ASSERT(!args.hasOverflowed());

	NakedPtr<JSC::Exception> returnedException;
	m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithStringList"), returnedException);
	if (returnedException) {
	reportException(&state, returnedException);
	return CallbackResultType::ExceptionThrown;
	}

	return { };
	}

	CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackWithBoolean(typename IDLBoolean::ParameterType boolParam)
	{
	if (!canInvokeCallback())
	return CallbackResultType::UnableToExecute;

	Ref<JSTestCallbackInterface> protectedThis(*this);

	auto& globalObject = *m_data->globalObject();
	auto& vm = globalObject.vm();

	JSLockHolder lock(vm);
	auto& state = *globalObject.globalExec();
	JSValue thisValue = jsUndefined();
	MarkedArgumentBuffer args;
	args.append(toJS<IDLBoolean>(boolParam));
	ASSERT(!args.hasOverflowed());

	NakedPtr<JSC::Exception> returnedException;
	m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithBoolean"), returnedException);
	if (returnedException) {
	reportException(&state, returnedException);
	return CallbackResultType::ExceptionThrown;
	}

	return { };
	}

	CallbackResult<typename IDLVoid::ImplementationType> JSTestCallbackInterface::callbackRequiresThisToPass(typename IDLLong::ParameterType longParam, typename IDLInterface<TestNode>::ParameterType testNodeParam)
	{
	if (!canInvokeCallback())
	return CallbackResultType::UnableToExecute;

	Ref<JSTestCallbackInterface> protectedThis(*this);

	auto& globalObject = *m_data->globalObject();
	auto& vm = globalObject.vm();

	JSLockHolder lock(vm);
	auto& state = *globalObject.globalExec();
	JSValue thisValue = jsUndefined();
	MarkedArgumentBuffer args;
	args.append(toJS<IDLLong>(longParam));
	args.append(toJS<IDLInterface<TestNode>>(state, globalObject, testNodeParam));
	ASSERT(!args.hasOverflowed());

	NakedPtr<JSC::Exception> returnedException;
	m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackRequiresThisToPass"), returnedException);
	if (returnedException) {
	reportException(&state, returnedException);
	return CallbackResultType::ExceptionThrown;
	}

	return { };
	}

	CallbackResult<typename IDLDOMString::ImplementationType> JSTestCallbackInterface::callbackWithAReturnValue()
	{
	if (!canInvokeCallback())
	return CallbackResultType::UnableToExecute;

	Ref<JSTestCallbackInterface> protectedThis(*this);

	auto& globalObject = *m_data->globalObject();
	auto& vm = globalObject.vm();

	JSLockHolder lock(vm);
	auto& state = *globalObject.globalExec();
	JSValue thisValue = jsUndefined();
	MarkedArgumentBuffer args;
	ASSERT(!args.hasOverflowed());

	NakedPtr<JSC::Exception> returnedException;
	auto jsResult = m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithAReturnValue"), returnedException);
	if (returnedException) {
	reportException(&state, returnedException);
	return CallbackResultType::ExceptionThrown;
	}

	auto throwScope = DECLARE_THROW_SCOPE(vm);
	auto returnValue = convert<IDLDOMString>(state, jsResult);
	RETURN_IF_EXCEPTION(throwScope, CallbackResultType::ExceptionThrown);
	return WTFMove(returnValue);
	}

	CallbackResult<typename IDLDOMString::ImplementationType> JSTestCallbackInterface::callbackThatRethrowsExceptions(typename IDLEnumeration<TestCallbackInterface::Enum>::ParameterType enumParam)
	{
	if (!canInvokeCallback())
	return CallbackResultType::UnableToExecute;

	Ref<JSTestCallbackInterface> protectedThis(*this);

	auto& globalObject = *m_data->globalObject();
	auto& vm = globalObject.vm();

	JSLockHolder lock(vm);
	auto& state = *globalObject.globalExec();
	JSValue thisValue = jsUndefined();
	MarkedArgumentBuffer args;
	args.append(toJS<IDLEnumeration<TestCallbackInterface::Enum>>(state, enumParam));
	ASSERT(!args.hasOverflowed());

	NakedPtr<JSC::Exception> returnedException;
	auto jsResult = m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackThatRethrowsExceptions"), returnedException);
	if (returnedException) {
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	throwException(&state, throwScope, returnedException);
	return CallbackResultType::ExceptionThrown;
	}

	auto throwScope = DECLARE_THROW_SCOPE(vm);
	auto returnValue = convert<IDLDOMString>(state, jsResult);
	RETURN_IF_EXCEPTION(throwScope, CallbackResultType::ExceptionThrown);
	return WTFMove(returnValue);
	}

	CallbackResult<typename IDLDOMString::ImplementationType> JSTestCallbackInterface::callbackThatSkipsInvokeCheck(typename IDLDictionary<TestCallbackInterface::Dictionary>::ParameterType dictionaryParam)
	{
	Ref<JSTestCallbackInterface> protectedThis(*this);

	auto& globalObject = *m_data->globalObject();
	auto& vm = globalObject.vm();

	JSLockHolder lock(vm);
	auto& state = *globalObject.globalExec();
	JSValue thisValue = jsUndefined();
	MarkedArgumentBuffer args;
	args.append(toJS<IDLDictionary<TestCallbackInterface::Dictionary>>(state, globalObject, dictionaryParam));
	ASSERT(!args.hasOverflowed());

	NakedPtr<JSC::Exception> returnedException;
	auto jsResult = m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackThatSkipsInvokeCheck"), returnedException);
	if (returnedException) {
	reportException(&state, returnedException);
	return CallbackResultType::ExceptionThrown;
	}

	auto throwScope = DECLARE_THROW_SCOPE(vm);
	auto returnValue = convert<IDLDOMString>(state, jsResult);
	RETURN_IF_EXCEPTION(throwScope, CallbackResultType::ExceptionThrown);
	return WTFMove(returnValue);
	}

	CallbackResult<typename IDLDOMString::ImplementationType> JSTestCallbackInterface::callbackWithThisObject(typename IDLInterface<TestNode>::ParameterType thisObject, typename IDLInterface<TestObj>::ParameterType testObjParam)
	{
	if (!canInvokeCallback())
	return CallbackResultType::UnableToExecute;

	Ref<JSTestCallbackInterface> protectedThis(*this);

	auto& globalObject = *m_data->globalObject();
	auto& vm = globalObject.vm();

	JSLockHolder lock(vm);
	auto& state = *globalObject.globalExec();
	JSValue thisValue = toJS<IDLInterface<TestNode>>(state, globalObject, thisObject);
	MarkedArgumentBuffer args;
	args.append(toJS<IDLInterface<TestObj>>(state, globalObject, testObjParam));
	ASSERT(!args.hasOverflowed());

	NakedPtr<JSC::Exception> returnedException;
	auto jsResult = m_data->invokeCallback(thisValue, args, JSCallbackData::CallbackType::Object, Identifier::fromString(&vm, "callbackWithThisObject"), returnedException);
	if (returnedException) {
	reportException(&state, returnedException);
	return CallbackResultType::ExceptionThrown;
	}

	auto throwScope = DECLARE_THROW_SCOPE(vm);
	auto returnValue = convert<IDLDOMString>(state, jsResult);
	RETURN_IF_EXCEPTION(throwScope, CallbackResultType::ExceptionThrown);
	return WTFMove(returnValue);
	}

	JSC::JSValue toJS(TestCallbackInterface& impl)
	{
	if (!static_cast<JSTestCallbackInterface&>(impl).callbackData())
	return jsNull();

	return static_cast<JSTestCallbackInterface&>(impl).callbackData()->callback();
	}

	} // namespace WebCore

	#endif // ENABLE(TEST_CONDITIONAL)