DerivedSources/WebCore/JSEventSource.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 "JSEventSource.h"

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

 using namespace JSC;

 namespace WebCore {

 template<> Optional<EventSource::Init> convertDictionary<EventSource::Init>(ExecState& state, JSValue value)
 {
     VM& vm = state.vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     if (value.isUndefinedOrNull())
         return EventSource::Init { false };
     auto* object = value.getObject();
     if (UNLIKELY(!object || object->type() == RegExpObjectType)) {
         throwTypeError(&state, throwScope);
         return Nullopt;
     }
     auto withCredentials = convertOptional<bool>(state, object->get(&state, Identifier::fromString(&state, "withCredentials")), false);
     return EventSource::Init { WTFMove(withCredentials) };
 }

 // Functions

 JSC::EncodedJSValue JSC_HOST_CALL jsEventSourcePrototypeFunctionClose(JSC::ExecState*);

 // Attributes

 JSC::EncodedJSValue jsEventSourceURL(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 JSC::EncodedJSValue jsEventSourceUrl(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 JSC::EncodedJSValue jsEventSourceWithCredentials(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 JSC::EncodedJSValue jsEventSourceReadyState(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 JSC::EncodedJSValue jsEventSourceOnopen(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSEventSourceOnopen(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
 JSC::EncodedJSValue jsEventSourceOnmessage(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSEventSourceOnmessage(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
 JSC::EncodedJSValue jsEventSourceOnerror(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSEventSourceOnerror(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
 JSC::EncodedJSValue jsEventSourceConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSEventSourceConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

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

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

 typedef JSDOMConstructor<JSEventSource> JSEventSourceConstructor;

 /* Hash table for constructor */

 static const HashTableValue JSEventSourceConstructorTableValues[] =
 {
     { "CONNECTING", DontDelete | ReadOnly | ConstantInteger, NoIntrinsic, { (long long)(0) } },
     { "OPEN", DontDelete | ReadOnly | ConstantInteger, NoIntrinsic, { (long long)(1) } },
     { "CLOSED", DontDelete | ReadOnly | ConstantInteger, NoIntrinsic, { (long long)(2) } },
 };

 static_assert(EventSource::CONNECTING == 0, "CONNECTING in EventSource does not match value from IDL");
 static_assert(EventSource::OPEN == 1, "OPEN in EventSource does not match value from IDL");
 static_assert(EventSource::CLOSED == 2, "CLOSED in EventSource does not match value from IDL");

 template<> EncodedJSValue JSC_HOST_CALL JSEventSourceConstructor::construct(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     auto* castedThis = jsCast<JSEventSourceConstructor*>(state->callee());
     ASSERT(castedThis);
     if (UNLIKELY(state->argumentCount() < 1))
         return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
     ExceptionCode ec = 0;
     auto url = valueToUSVString(state, state->uncheckedArgument(0));
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     auto eventSourceInitDict = state->argument(1).isUndefined() ? EventSource::Init() : convertDictionary<EventSource::Init>(*state, state->uncheckedArgument(1));
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     ScriptExecutionContext* context = castedThis->scriptExecutionContext();
     if (UNLIKELY(!context))
         return throwConstructorScriptExecutionContextUnavailableError(*state, throwScope, "EventSource");
     auto object = EventSource::create(*context, WTFMove(url), eventSourceInitDict.value(), ec);
     if (UNLIKELY(ec)) {
         setDOMException(state, throwScope, ec);
         return JSValue::encode(JSValue());
     }
     return JSValue::encode(toJSNewlyCreated(state, castedThis->globalObject(), WTFMove(object)));
 }

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

 template<> void JSEventSourceConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
 {
     putDirect(vm, vm.propertyNames->prototype, JSEventSource::prototype(vm, &globalObject), DontDelete | ReadOnly | DontEnum);
     putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("EventSource"))), ReadOnly | DontEnum);
     putDirect(vm, vm.propertyNames->length, jsNumber(1), ReadOnly | DontEnum);
     reifyStaticProperties(vm, JSEventSourceConstructorTableValues, *this);
 }

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

 /* Hash table for prototype */

 static const HashTableValue JSEventSourcePrototypeTableValues[] =
 {
     { "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSEventSourceConstructor) } },
     { "URL", ReadOnly | CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceURL), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
     { "url", ReadOnly | CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceUrl), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
     { "withCredentials", ReadOnly | CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceWithCredentials), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
     { "readyState", ReadOnly | CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceReadyState), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
     { "onopen", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceOnopen), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSEventSourceOnopen) } },
     { "onmessage", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceOnmessage), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSEventSourceOnmessage) } },
     { "onerror", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceOnerror), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSEventSourceOnerror) } },
     { "close", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsEventSourcePrototypeFunctionClose), (intptr_t) (0) } },
     { "CONNECTING", DontDelete | ReadOnly | ConstantInteger, NoIntrinsic, { (long long)(0) } },
     { "OPEN", DontDelete | ReadOnly | ConstantInteger, NoIntrinsic, { (long long)(1) } },
     { "CLOSED", DontDelete | ReadOnly | ConstantInteger, NoIntrinsic, { (long long)(2) } },
 };

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

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

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

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

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

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

 EncodedJSValue jsEventSourceURL(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<JSEventSource*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "EventSource", "URL");
     }
     auto& impl = castedThis->wrapped();
     JSValue result = jsStringWithCache(state, impl.url());
     return JSValue::encode(result);
 }


 EncodedJSValue jsEventSourceUrl(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<JSEventSource*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "EventSource", "url");
     }
     auto& impl = castedThis->wrapped();
     JSValue result = jsStringWithCache(state, impl.url());
     return JSValue::encode(result);
 }


 EncodedJSValue jsEventSourceWithCredentials(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<JSEventSource*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "EventSource", "withCredentials");
     }
     auto& impl = castedThis->wrapped();
     JSValue result = jsBoolean(impl.withCredentials());
     return JSValue::encode(result);
 }


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


 EncodedJSValue jsEventSourceOnopen(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<JSEventSource*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "EventSource", "onopen");
     }
     UNUSED_PARAM(state);
     return JSValue::encode(eventHandlerAttribute(castedThis->wrapped(), eventNames().openEvent));
 }


 EncodedJSValue jsEventSourceOnmessage(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<JSEventSource*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "EventSource", "onmessage");
     }
     UNUSED_PARAM(state);
     return JSValue::encode(eventHandlerAttribute(castedThis->wrapped(), eventNames().messageEvent));
 }


 EncodedJSValue jsEventSourceOnerror(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<JSEventSource*>(decodedThisValue);
     if (UNLIKELY(!castedThis)) {
         return throwGetterTypeError(*state, throwScope, "EventSource", "onerror");
     }
     UNUSED_PARAM(state);
     return JSValue::encode(eventHandlerAttribute(castedThis->wrapped(), eventNames().errorEvent));
 }


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

 bool setJSEventSourceConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     JSValue value = JSValue::decode(encodedValue);
     JSEventSourcePrototype* domObject = jsDynamicCast<JSEventSourcePrototype*>(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 setJSEventSourceOnopen(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);
     JSEventSource* castedThis = jsDynamicCast<JSEventSource*>(JSValue::decode(thisValue));
     if (UNLIKELY(!castedThis)) {
         return throwSetterTypeError(*state, throwScope, "EventSource", "onopen");
     }
     setEventHandlerAttribute(*state, *castedThis, castedThis->wrapped(), eventNames().openEvent, value);
     return true;
 }


 bool setJSEventSourceOnmessage(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);
     JSEventSource* castedThis = jsDynamicCast<JSEventSource*>(JSValue::decode(thisValue));
     if (UNLIKELY(!castedThis)) {
         return throwSetterTypeError(*state, throwScope, "EventSource", "onmessage");
     }
     setEventHandlerAttribute(*state, *castedThis, castedThis->wrapped(), eventNames().messageEvent, value);
     return true;
 }


 bool setJSEventSourceOnerror(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);
     JSEventSource* castedThis = jsDynamicCast<JSEventSource*>(JSValue::decode(thisValue));
     if (UNLIKELY(!castedThis)) {
         return throwSetterTypeError(*state, throwScope, "EventSource", "onerror");
     }
     setEventHandlerAttribute(*state, *castedThis, castedThis->wrapped(), eventNames().errorEvent, value);
     return true;
 }


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

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

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

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

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

 #if ENABLE(BINDING_INTEGRITY)
 #if PLATFORM(WIN)
 #pragma warning(disable: 4483)
 extern "C" { extern void (*const __identifier("??_7EventSource@WebCore@@6B@")[])(); }
 #else
 extern "C" { extern void* _ZTVN7WebCore11EventSourceE[]; }
 #endif
 #endif

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

 #if ENABLE(BINDING_INTEGRITY)
     void* actualVTablePointer = *(reinterpret_cast<void**>(impl.ptr()));
 #if PLATFORM(WIN)
     void* expectedVTablePointer = reinterpret_cast<void*>(__identifier("??_7EventSource@WebCore@@6B@"));
 #else
     void* expectedVTablePointer = &_ZTVN7WebCore11EventSourceE[2];
 #if COMPILER(CLANG)
     // If this fails EventSource does not have a vtable, so you need to add the
     // ImplementationLacksVTable attribute to the interface definition
     static_assert(__is_polymorphic(EventSource), "EventSource is not polymorphic");
 #endif
 #endif
     // If you hit this assertion you either have a use after free bug, or
     // EventSource has subclasses. If EventSource has subclasses that get passed
     // to toJS() we currently require EventSource you to opt out of binding hardening
     // by adding the SkipVTableValidation attribute to the interface IDL definition
     RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
 #endif
     return createWrapper<EventSource>(globalObject, WTFMove(impl));
 }

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

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

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

	using namespace JSC;

	namespace WebCore {

	template<> Optional<EventSource::Init> convertDictionary<EventSource::Init>(ExecState& state, JSValue value)
	{
	VM& vm = state.vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	if (value.isUndefinedOrNull())
	return EventSource::Init { false };
	auto* object = value.getObject();
	if (UNLIKELY(!object \|\| object->type() == RegExpObjectType)) {
	throwTypeError(&state, throwScope);
	return Nullopt;
	}
	auto withCredentials = convertOptional<bool>(state, object->get(&state, Identifier::fromString(&state, "withCredentials")), false);
	return EventSource::Init { WTFMove(withCredentials) };
	}

	// Functions

	JSC::EncodedJSValue JSC_HOST_CALL jsEventSourcePrototypeFunctionClose(JSC::ExecState*);

	// Attributes

	JSC::EncodedJSValue jsEventSourceURL(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	JSC::EncodedJSValue jsEventSourceUrl(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	JSC::EncodedJSValue jsEventSourceWithCredentials(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	JSC::EncodedJSValue jsEventSourceReadyState(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	JSC::EncodedJSValue jsEventSourceOnopen(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSEventSourceOnopen(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
	JSC::EncodedJSValue jsEventSourceOnmessage(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSEventSourceOnmessage(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
	JSC::EncodedJSValue jsEventSourceOnerror(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSEventSourceOnerror(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);
	JSC::EncodedJSValue jsEventSourceConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSEventSourceConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

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

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

	typedef JSDOMConstructor<JSEventSource> JSEventSourceConstructor;

	/* Hash table for constructor */

	static const HashTableValue JSEventSourceConstructorTableValues[] =
	{
	{ "CONNECTING", DontDelete \| ReadOnly \| ConstantInteger, NoIntrinsic, { (long long)(0) } },
	{ "OPEN", DontDelete \| ReadOnly \| ConstantInteger, NoIntrinsic, { (long long)(1) } },
	{ "CLOSED", DontDelete \| ReadOnly \| ConstantInteger, NoIntrinsic, { (long long)(2) } },
	};

	static_assert(EventSource::CONNECTING == 0, "CONNECTING in EventSource does not match value from IDL");
	static_assert(EventSource::OPEN == 1, "OPEN in EventSource does not match value from IDL");
	static_assert(EventSource::CLOSED == 2, "CLOSED in EventSource does not match value from IDL");

	template<> EncodedJSValue JSC_HOST_CALL JSEventSourceConstructor::construct(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	auto* castedThis = jsCast<JSEventSourceConstructor*>(state->callee());
	ASSERT(castedThis);
	if (UNLIKELY(state->argumentCount() < 1))
	return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
	ExceptionCode ec = 0;
	auto url = valueToUSVString(state, state->uncheckedArgument(0));
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	auto eventSourceInitDict = state->argument(1).isUndefined() ? EventSource::Init() : convertDictionary<EventSource::Init>(*state, state->uncheckedArgument(1));
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	ScriptExecutionContext* context = castedThis->scriptExecutionContext();
	if (UNLIKELY(!context))
	return throwConstructorScriptExecutionContextUnavailableError(*state, throwScope, "EventSource");
	auto object = EventSource::create(*context, WTFMove(url), eventSourceInitDict.value(), ec);
	if (UNLIKELY(ec)) {
	setDOMException(state, throwScope, ec);
	return JSValue::encode(JSValue());
	}
	return JSValue::encode(toJSNewlyCreated(state, castedThis->globalObject(), WTFMove(object)));
	}

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

	template<> void JSEventSourceConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
	{
	putDirect(vm, vm.propertyNames->prototype, JSEventSource::prototype(vm, &globalObject), DontDelete \| ReadOnly \| DontEnum);
	putDirect(vm, vm.propertyNames->name, jsNontrivialString(&vm, String(ASCIILiteral("EventSource"))), ReadOnly \| DontEnum);
	putDirect(vm, vm.propertyNames->length, jsNumber(1), ReadOnly \| DontEnum);
	reifyStaticProperties(vm, JSEventSourceConstructorTableValues, *this);
	}

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

	/* Hash table for prototype */

	static const HashTableValue JSEventSourcePrototypeTableValues[] =
	{
	{ "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSEventSourceConstructor) } },
	{ "URL", ReadOnly \| CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceURL), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
	{ "url", ReadOnly \| CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceUrl), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
	{ "withCredentials", ReadOnly \| CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceWithCredentials), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
	{ "readyState", ReadOnly \| CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceReadyState), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } },
	{ "onopen", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceOnopen), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSEventSourceOnopen) } },
	{ "onmessage", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceOnmessage), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSEventSourceOnmessage) } },
	{ "onerror", CustomAccessor, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsEventSourceOnerror), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSEventSourceOnerror) } },
	{ "close", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsEventSourcePrototypeFunctionClose), (intptr_t) (0) } },
	{ "CONNECTING", DontDelete \| ReadOnly \| ConstantInteger, NoIntrinsic, { (long long)(0) } },
	{ "OPEN", DontDelete \| ReadOnly \| ConstantInteger, NoIntrinsic, { (long long)(1) } },
	{ "CLOSED", DontDelete \| ReadOnly \| ConstantInteger, NoIntrinsic, { (long long)(2) } },
	};

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

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

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

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

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

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

	EncodedJSValue jsEventSourceURL(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<JSEventSource*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "EventSource", "URL");
	}
	auto& impl = castedThis->wrapped();
	JSValue result = jsStringWithCache(state, impl.url());
	return JSValue::encode(result);
	}


	EncodedJSValue jsEventSourceUrl(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<JSEventSource*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "EventSource", "url");
	}
	auto& impl = castedThis->wrapped();
	JSValue result = jsStringWithCache(state, impl.url());
	return JSValue::encode(result);
	}


	EncodedJSValue jsEventSourceWithCredentials(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<JSEventSource*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "EventSource", "withCredentials");
	}
	auto& impl = castedThis->wrapped();
	JSValue result = jsBoolean(impl.withCredentials());
	return JSValue::encode(result);
	}


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


	EncodedJSValue jsEventSourceOnopen(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<JSEventSource*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "EventSource", "onopen");
	}
	UNUSED_PARAM(state);
	return JSValue::encode(eventHandlerAttribute(castedThis->wrapped(), eventNames().openEvent));
	}


	EncodedJSValue jsEventSourceOnmessage(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<JSEventSource*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "EventSource", "onmessage");
	}
	UNUSED_PARAM(state);
	return JSValue::encode(eventHandlerAttribute(castedThis->wrapped(), eventNames().messageEvent));
	}


	EncodedJSValue jsEventSourceOnerror(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<JSEventSource*>(decodedThisValue);
	if (UNLIKELY(!castedThis)) {
	return throwGetterTypeError(*state, throwScope, "EventSource", "onerror");
	}
	UNUSED_PARAM(state);
	return JSValue::encode(eventHandlerAttribute(castedThis->wrapped(), eventNames().errorEvent));
	}


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

	bool setJSEventSourceConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	JSValue value = JSValue::decode(encodedValue);
	JSEventSourcePrototype* domObject = jsDynamicCast<JSEventSourcePrototype*>(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 setJSEventSourceOnopen(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);
	JSEventSource* castedThis = jsDynamicCast<JSEventSource*>(JSValue::decode(thisValue));
	if (UNLIKELY(!castedThis)) {
	return throwSetterTypeError(*state, throwScope, "EventSource", "onopen");
	}
	setEventHandlerAttribute(state, castedThis, castedThis->wrapped(), eventNames().openEvent, value);
	return true;
	}


	bool setJSEventSourceOnmessage(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);
	JSEventSource* castedThis = jsDynamicCast<JSEventSource*>(JSValue::decode(thisValue));
	if (UNLIKELY(!castedThis)) {
	return throwSetterTypeError(*state, throwScope, "EventSource", "onmessage");
	}
	setEventHandlerAttribute(state, castedThis, castedThis->wrapped(), eventNames().messageEvent, value);
	return true;
	}


	bool setJSEventSourceOnerror(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);
	JSEventSource* castedThis = jsDynamicCast<JSEventSource*>(JSValue::decode(thisValue));
	if (UNLIKELY(!castedThis)) {
	return throwSetterTypeError(*state, throwScope, "EventSource", "onerror");
	}
	setEventHandlerAttribute(state, castedThis, castedThis->wrapped(), eventNames().errorEvent, value);
	return true;
	}


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

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

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

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

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

	#if ENABLE(BINDING_INTEGRITY)
	#if PLATFORM(WIN)
	#pragma warning(disable: 4483)
	extern "C" { extern void (*const __identifier("??_7EventSource@WebCore@@6B@")[])(); }
	#else
	extern "C" { extern void* _ZTVN7WebCore11EventSourceE[]; }
	#endif
	#endif

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

	#if ENABLE(BINDING_INTEGRITY)
	void* actualVTablePointer = (reinterpret_cast<void*>(impl.ptr()));
	#if PLATFORM(WIN)
	void* expectedVTablePointer = reinterpret_cast<void*>(__identifier("??_7EventSource@WebCore@@6B@"));
	#else
	void* expectedVTablePointer = &_ZTVN7WebCore11EventSourceE[2];
	#if COMPILER(CLANG)
	// If this fails EventSource does not have a vtable, so you need to add the
	// ImplementationLacksVTable attribute to the interface definition
	static_assert(__is_polymorphic(EventSource), "EventSource is not polymorphic");
	#endif
	#endif
	// If you hit this assertion you either have a use after free bug, or
	// EventSource has subclasses. If EventSource has subclasses that get passed
	// to toJS() we currently require EventSource you to opt out of binding hardening
	// by adding the SkipVTableValidation attribute to the interface IDL definition
	RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
	#endif
	return createWrapper<EventSource>(globalObject, WTFMove(impl));
	}

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

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

	}