DerivedSources/WebCore/JSFetchHeaders.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"

 #if ENABLE(FETCH_API)

 #include "JSFetchHeaders.h"

 #include "ExceptionCode.h"
 #include "FetchHeadersBuiltins.h"
 #include "JSDOMBinding.h"
 #include "JSDOMConstructor.h"
 #include "JSDOMIterator.h"
 #include "JSFetchHeaders.h"
 #include "RuntimeEnabledFeatures.h"
 #include "URL.h"
 #include "WebCoreJSClientData.h"
 #include <runtime/Error.h>
 #include <runtime/FunctionPrototype.h>
 #include <wtf/GetPtr.h>

 using namespace JSC;

 namespace WebCore {

 // Functions

 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionAppend(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionDelete(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionGet(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionHas(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionSet(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionAppendFromJS(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionFillFromJS(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionSymbolIterator(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionEntries(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionKeys(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionValues(JSC::ExecState*);
 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionForEach(JSC::ExecState*);

 // Attributes

 JSC::EncodedJSValue jsFetchHeadersConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
 bool setJSFetchHeadersConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

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

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

 typedef JSBuiltinConstructor<JSFetchHeaders> JSFetchHeadersConstructor;

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

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

 template<> FunctionExecutable* JSFetchHeadersConstructor::initializeExecutable(VM& vm)
 {
     return fetchHeadersInitializeFetchHeadersCodeGenerator(vm);
 }

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

 /* Hash table for prototype */

 static const HashTableValue JSFetchHeadersPrototypeTableValues[] =
 {
     { "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsFetchHeadersConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSFetchHeadersConstructor) } },
     { "append", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionAppend), (intptr_t) (2) } },
     { "delete", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionDelete), (intptr_t) (1) } },
     { "get", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionGet), (intptr_t) (1) } },
     { "has", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionHas), (intptr_t) (1) } },
     { "set", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionSet), (intptr_t) (2) } },
     { "entries", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionEntries), (intptr_t) (0) } },
     { "keys", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionKeys), (intptr_t) (0) } },
     { "values", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionValues), (intptr_t) (0) } },
     { "forEach", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionForEach), (intptr_t) (1) } },
 };

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

 void JSFetchHeadersPrototype::finishCreation(VM& vm)
 {
     Base::finishCreation(vm);
     reifyStaticProperties(vm, JSFetchHeadersPrototypeTableValues, *this);
     if (!RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
         Identifier propertyName = Identifier::fromString(&vm, reinterpret_cast<const LChar*>("entries"), strlen("entries"));
         VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
         JSObject::deleteProperty(this, globalObject()->globalExec(), propertyName);
     }
     if (!RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
         Identifier propertyName = Identifier::fromString(&vm, reinterpret_cast<const LChar*>("keys"), strlen("keys"));
         VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
         JSObject::deleteProperty(this, globalObject()->globalExec(), propertyName);
     }
     if (!RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
         Identifier propertyName = Identifier::fromString(&vm, reinterpret_cast<const LChar*>("values"), strlen("values"));
         VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
         JSObject::deleteProperty(this, globalObject()->globalExec(), propertyName);
     }
     if (!RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
         Identifier propertyName = Identifier::fromString(&vm, reinterpret_cast<const LChar*>("forEach"), strlen("forEach"));
         VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
         JSObject::deleteProperty(this, globalObject()->globalExec(), propertyName);
     }
     JSVMClientData& clientData = *static_cast<JSVMClientData*>(vm.clientData);
     putDirect(vm, clientData.builtinNames().appendFromJSPrivateName(), JSFunction::create(vm, globalObject(), 0, String(), jsFetchHeadersPrototypeFunctionAppendFromJS), ReadOnly | DontEnum);
     putDirect(vm, clientData.builtinNames().fillFromJSPrivateName(), JSFunction::create(vm, globalObject(), 0, String(), jsFetchHeadersPrototypeFunctionFillFromJS), ReadOnly | DontEnum);
     if (RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
         putDirect(vm, vm.propertyNames->iteratorSymbol, JSFunction::create(vm, globalObject(), 0, ASCIILiteral("[Symbol.Iterator]"), jsFetchHeadersPrototypeFunctionSymbolIterator), DontEnum);
     }
 }

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

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

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

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

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

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

 bool setJSFetchHeadersConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     JSValue value = JSValue::decode(encodedValue);
     JSFetchHeadersPrototype* domObject = jsDynamicCast<JSFetchHeadersPrototype*>(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 JSFetchHeaders::getConstructor(VM& vm, const JSGlobalObject* globalObject)
 {
     return getDOMConstructor<JSFetchHeadersConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
 }

 EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionAppend(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "Headers", "append");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
     auto& impl = castedThis->wrapped();
     if (UNLIKELY(state->argumentCount() < 2))
         return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
     ExceptionCode ec = 0;
     auto name = state->uncheckedArgument(0).toWTFString(state);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     auto value = state->uncheckedArgument(1).toWTFString(state);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     impl.append(WTFMove(name), WTFMove(value), ec);
     setDOMException(state, throwScope, ec);
     return JSValue::encode(jsUndefined());
 }

 EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionDelete(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "Headers", "delete");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
     auto& impl = castedThis->wrapped();
     if (UNLIKELY(state->argumentCount() < 1))
         return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
     ExceptionCode ec = 0;
     auto name = state->uncheckedArgument(0).toWTFString(state);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     impl.remove(WTFMove(name), ec);
     setDOMException(state, throwScope, ec);
     return JSValue::encode(jsUndefined());
 }

 EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionGet(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "Headers", "get");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
     auto& impl = castedThis->wrapped();
     if (UNLIKELY(state->argumentCount() < 1))
         return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
     ExceptionCode ec = 0;
     auto name = state->uncheckedArgument(0).toWTFString(state);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     JSValue result = jsStringOrNull(state, impl.get(WTFMove(name), ec));

     setDOMException(state, throwScope, ec);
     return JSValue::encode(result);
 }

 EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionHas(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "Headers", "has");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
     auto& impl = castedThis->wrapped();
     if (UNLIKELY(state->argumentCount() < 1))
         return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
     ExceptionCode ec = 0;
     auto name = state->uncheckedArgument(0).toWTFString(state);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     JSValue result = jsBoolean(impl.has(WTFMove(name), ec));

     setDOMException(state, throwScope, ec);
     return JSValue::encode(result);
 }

 EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionSet(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "Headers", "set");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
     auto& impl = castedThis->wrapped();
     if (UNLIKELY(state->argumentCount() < 2))
         return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
     ExceptionCode ec = 0;
     auto name = state->uncheckedArgument(0).toWTFString(state);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     auto value = state->uncheckedArgument(1).toWTFString(state);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     impl.set(WTFMove(name), WTFMove(value), ec);
     setDOMException(state, throwScope, ec);
     return JSValue::encode(jsUndefined());
 }

 EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionAppendFromJS(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "Headers", "appendFromJS");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
     auto& impl = castedThis->wrapped();
     if (UNLIKELY(state->argumentCount() < 2))
         return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
     ExceptionCode ec = 0;
     auto name = state->uncheckedArgument(0).toWTFString(state);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     auto value = state->uncheckedArgument(1).toWTFString(state);
     RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
     impl.append(WTFMove(name), WTFMove(value), ec);
     setDOMException(state, throwScope, ec);
     return JSValue::encode(jsUndefined());
 }

 EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionFillFromJS(ExecState* state)
 {
     VM& vm = state->vm();
     auto throwScope = DECLARE_THROW_SCOPE(vm);
     UNUSED_PARAM(throwScope);
     JSValue thisValue = state->thisValue();
     auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
     if (UNLIKELY(!castedThis))
         return throwThisTypeError(*state, throwScope, "Headers", "fillFromJS");
     ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
     auto& impl = castedThis->wrapped();
     if (UNLIKELY(state->argumentCount() < 1))
         return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
     FetchHeaders* headers = nullptr;
     if (!state->uncheckedArgument(0).isUndefinedOrNull()) {
         headers = JSFetchHeaders::toWrapped(state->uncheckedArgument(0));
         if (UNLIKELY(!headers))
             return throwArgumentTypeError(*state, throwScope, 0, "headers", "Headers", "fillFromJS", "FetchHeaders");
     }
     impl.fill(WTFMove(headers));
     return JSValue::encode(jsUndefined());
 }

 using FetchHeadersIterator = JSDOMIterator<JSFetchHeaders>;
 using FetchHeadersIteratorPrototype = JSDOMIteratorPrototype<JSFetchHeaders>;

 template<>
 const JSC::ClassInfo FetchHeadersIterator::s_info = { "Headers Iterator", &Base::s_info, 0, CREATE_METHOD_TABLE(FetchHeadersIterator) };

 template<>
 const JSC::ClassInfo FetchHeadersIteratorPrototype::s_info = { "Headers Iterator", &Base::s_info, 0, CREATE_METHOD_TABLE(FetchHeadersIteratorPrototype) };

 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionSymbolIterator(JSC::ExecState* state)
 {
     return iteratorCreate<JSFetchHeaders>(*state, IterationKind::KeyValue, "[Symbol.Iterator]");
 }

 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionEntries(JSC::ExecState* state)
 {
     return iteratorCreate<JSFetchHeaders>(*state, IterationKind::KeyValue, "entries");
 }

 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionKeys(JSC::ExecState* state)
 {
     return iteratorCreate<JSFetchHeaders>(*state, IterationKind::Key, "keys");
 }

 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionValues(JSC::ExecState* state)
 {
     return iteratorCreate<JSFetchHeaders>(*state, IterationKind::Value, "values");
 }

 JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionForEach(JSC::ExecState* state)
 {
     return iteratorForEach<JSFetchHeaders>(*state, "forEach");
 }

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

 bool JSFetchHeadersOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
 {
     UNUSED_PARAM(handle);
     UNUSED_PARAM(visitor);
     return false;
 }

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

 JSC::JSValue toJSNewlyCreated(JSC::ExecState*, JSDOMGlobalObject* globalObject, Ref<FetchHeaders>&& impl)
 {
 #if COMPILER(CLANG)
     // If you hit this failure the interface definition has the ImplementationLacksVTable
     // attribute. You should remove that attribute. If the class has subclasses
     // that may be passed through this toJS() function you should use the SkipVTableValidation
     // attribute to FetchHeaders.
     static_assert(!__is_polymorphic(FetchHeaders), "FetchHeaders is polymorphic but the IDL claims it is not");
 #endif
     return createWrapper<FetchHeaders>(globalObject, WTFMove(impl));
 }

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

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

 }

 #endif // ENABLE(FETCH_API)
	/*
	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(FETCH_API)

	#include "JSFetchHeaders.h"

	#include "ExceptionCode.h"
	#include "FetchHeadersBuiltins.h"
	#include "JSDOMBinding.h"
	#include "JSDOMConstructor.h"
	#include "JSDOMIterator.h"
	#include "JSFetchHeaders.h"
	#include "RuntimeEnabledFeatures.h"
	#include "URL.h"
	#include "WebCoreJSClientData.h"
	#include <runtime/Error.h>
	#include <runtime/FunctionPrototype.h>
	#include <wtf/GetPtr.h>

	using namespace JSC;

	namespace WebCore {

	// Functions

	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionAppend(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionDelete(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionGet(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionHas(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionSet(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionAppendFromJS(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionFillFromJS(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionSymbolIterator(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionEntries(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionKeys(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionValues(JSC::ExecState*);
	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionForEach(JSC::ExecState*);

	// Attributes

	JSC::EncodedJSValue jsFetchHeadersConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::PropertyName);
	bool setJSFetchHeadersConstructor(JSC::ExecState*, JSC::EncodedJSValue, JSC::EncodedJSValue);

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

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

	typedef JSBuiltinConstructor<JSFetchHeaders> JSFetchHeadersConstructor;

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

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

	template<> FunctionExecutable* JSFetchHeadersConstructor::initializeExecutable(VM& vm)
	{
	return fetchHeadersInitializeFetchHeadersCodeGenerator(vm);
	}

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

	/* Hash table for prototype */

	static const HashTableValue JSFetchHeadersPrototypeTableValues[] =
	{
	{ "constructor", DontEnum, NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsFetchHeadersConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSFetchHeadersConstructor) } },
	{ "append", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionAppend), (intptr_t) (2) } },
	{ "delete", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionDelete), (intptr_t) (1) } },
	{ "get", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionGet), (intptr_t) (1) } },
	{ "has", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionHas), (intptr_t) (1) } },
	{ "set", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionSet), (intptr_t) (2) } },
	{ "entries", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionEntries), (intptr_t) (0) } },
	{ "keys", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionKeys), (intptr_t) (0) } },
	{ "values", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionValues), (intptr_t) (0) } },
	{ "forEach", JSC::Function, NoIntrinsic, { (intptr_t)static_cast<NativeFunction>(jsFetchHeadersPrototypeFunctionForEach), (intptr_t) (1) } },
	};

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

	void JSFetchHeadersPrototype::finishCreation(VM& vm)
	{
	Base::finishCreation(vm);
	reifyStaticProperties(vm, JSFetchHeadersPrototypeTableValues, *this);
	if (!RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
	Identifier propertyName = Identifier::fromString(&vm, reinterpret_cast<const LChar*>("entries"), strlen("entries"));
	VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
	JSObject::deleteProperty(this, globalObject()->globalExec(), propertyName);
	}
	if (!RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
	Identifier propertyName = Identifier::fromString(&vm, reinterpret_cast<const LChar*>("keys"), strlen("keys"));
	VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
	JSObject::deleteProperty(this, globalObject()->globalExec(), propertyName);
	}
	if (!RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
	Identifier propertyName = Identifier::fromString(&vm, reinterpret_cast<const LChar*>("values"), strlen("values"));
	VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
	JSObject::deleteProperty(this, globalObject()->globalExec(), propertyName);
	}
	if (!RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
	Identifier propertyName = Identifier::fromString(&vm, reinterpret_cast<const LChar*>("forEach"), strlen("forEach"));
	VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
	JSObject::deleteProperty(this, globalObject()->globalExec(), propertyName);
	}
	JSVMClientData& clientData = static_cast<JSVMClientData>(vm.clientData);
	putDirect(vm, clientData.builtinNames().appendFromJSPrivateName(), JSFunction::create(vm, globalObject(), 0, String(), jsFetchHeadersPrototypeFunctionAppendFromJS), ReadOnly \| DontEnum);
	putDirect(vm, clientData.builtinNames().fillFromJSPrivateName(), JSFunction::create(vm, globalObject(), 0, String(), jsFetchHeadersPrototypeFunctionFillFromJS), ReadOnly \| DontEnum);
	if (RuntimeEnabledFeatures::sharedFeatures().domIteratorEnabled()) {
	putDirect(vm, vm.propertyNames->iteratorSymbol, JSFunction::create(vm, globalObject(), 0, ASCIILiteral("[Symbol.Iterator]"), jsFetchHeadersPrototypeFunctionSymbolIterator), DontEnum);
	}
	}

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

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

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

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

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

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

	bool setJSFetchHeadersConstructor(ExecState* state, EncodedJSValue thisValue, EncodedJSValue encodedValue)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	JSValue value = JSValue::decode(encodedValue);
	JSFetchHeadersPrototype* domObject = jsDynamicCast<JSFetchHeadersPrototype*>(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 JSFetchHeaders::getConstructor(VM& vm, const JSGlobalObject* globalObject)
	{
	return getDOMConstructor<JSFetchHeadersConstructor>(vm, jsCast<const JSDOMGlobalObject>(globalObject));
	}

	EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionAppend(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "Headers", "append");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
	auto& impl = castedThis->wrapped();
	if (UNLIKELY(state->argumentCount() < 2))
	return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
	ExceptionCode ec = 0;
	auto name = state->uncheckedArgument(0).toWTFString(state);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	auto value = state->uncheckedArgument(1).toWTFString(state);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	impl.append(WTFMove(name), WTFMove(value), ec);
	setDOMException(state, throwScope, ec);
	return JSValue::encode(jsUndefined());
	}

	EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionDelete(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "Headers", "delete");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
	auto& impl = castedThis->wrapped();
	if (UNLIKELY(state->argumentCount() < 1))
	return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
	ExceptionCode ec = 0;
	auto name = state->uncheckedArgument(0).toWTFString(state);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	impl.remove(WTFMove(name), ec);
	setDOMException(state, throwScope, ec);
	return JSValue::encode(jsUndefined());
	}

	EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionGet(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "Headers", "get");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
	auto& impl = castedThis->wrapped();
	if (UNLIKELY(state->argumentCount() < 1))
	return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
	ExceptionCode ec = 0;
	auto name = state->uncheckedArgument(0).toWTFString(state);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	JSValue result = jsStringOrNull(state, impl.get(WTFMove(name), ec));

	setDOMException(state, throwScope, ec);
	return JSValue::encode(result);
	}

	EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionHas(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "Headers", "has");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
	auto& impl = castedThis->wrapped();
	if (UNLIKELY(state->argumentCount() < 1))
	return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
	ExceptionCode ec = 0;
	auto name = state->uncheckedArgument(0).toWTFString(state);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	JSValue result = jsBoolean(impl.has(WTFMove(name), ec));

	setDOMException(state, throwScope, ec);
	return JSValue::encode(result);
	}

	EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionSet(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "Headers", "set");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
	auto& impl = castedThis->wrapped();
	if (UNLIKELY(state->argumentCount() < 2))
	return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
	ExceptionCode ec = 0;
	auto name = state->uncheckedArgument(0).toWTFString(state);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	auto value = state->uncheckedArgument(1).toWTFString(state);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	impl.set(WTFMove(name), WTFMove(value), ec);
	setDOMException(state, throwScope, ec);
	return JSValue::encode(jsUndefined());
	}

	EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionAppendFromJS(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "Headers", "appendFromJS");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
	auto& impl = castedThis->wrapped();
	if (UNLIKELY(state->argumentCount() < 2))
	return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
	ExceptionCode ec = 0;
	auto name = state->uncheckedArgument(0).toWTFString(state);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	auto value = state->uncheckedArgument(1).toWTFString(state);
	RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
	impl.append(WTFMove(name), WTFMove(value), ec);
	setDOMException(state, throwScope, ec);
	return JSValue::encode(jsUndefined());
	}

	EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionFillFromJS(ExecState* state)
	{
	VM& vm = state->vm();
	auto throwScope = DECLARE_THROW_SCOPE(vm);
	UNUSED_PARAM(throwScope);
	JSValue thisValue = state->thisValue();
	auto castedThis = jsDynamicCast<JSFetchHeaders*>(thisValue);
	if (UNLIKELY(!castedThis))
	return throwThisTypeError(*state, throwScope, "Headers", "fillFromJS");
	ASSERT_GC_OBJECT_INHERITS(castedThis, JSFetchHeaders::info());
	auto& impl = castedThis->wrapped();
	if (UNLIKELY(state->argumentCount() < 1))
	return throwVMError(state, throwScope, createNotEnoughArgumentsError(state));
	FetchHeaders* headers = nullptr;
	if (!state->uncheckedArgument(0).isUndefinedOrNull()) {
	headers = JSFetchHeaders::toWrapped(state->uncheckedArgument(0));
	if (UNLIKELY(!headers))
	return throwArgumentTypeError(*state, throwScope, 0, "headers", "Headers", "fillFromJS", "FetchHeaders");
	}
	impl.fill(WTFMove(headers));
	return JSValue::encode(jsUndefined());
	}

	using FetchHeadersIterator = JSDOMIterator<JSFetchHeaders>;
	using FetchHeadersIteratorPrototype = JSDOMIteratorPrototype<JSFetchHeaders>;

	template<>
	const JSC::ClassInfo FetchHeadersIterator::s_info = { "Headers Iterator", &Base::s_info, 0, CREATE_METHOD_TABLE(FetchHeadersIterator) };

	template<>
	const JSC::ClassInfo FetchHeadersIteratorPrototype::s_info = { "Headers Iterator", &Base::s_info, 0, CREATE_METHOD_TABLE(FetchHeadersIteratorPrototype) };

	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionSymbolIterator(JSC::ExecState* state)
	{
	return iteratorCreate<JSFetchHeaders>(*state, IterationKind::KeyValue, "[Symbol.Iterator]");
	}

	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionEntries(JSC::ExecState* state)
	{
	return iteratorCreate<JSFetchHeaders>(*state, IterationKind::KeyValue, "entries");
	}

	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionKeys(JSC::ExecState* state)
	{
	return iteratorCreate<JSFetchHeaders>(*state, IterationKind::Key, "keys");
	}

	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionValues(JSC::ExecState* state)
	{
	return iteratorCreate<JSFetchHeaders>(*state, IterationKind::Value, "values");
	}

	JSC::EncodedJSValue JSC_HOST_CALL jsFetchHeadersPrototypeFunctionForEach(JSC::ExecState* state)
	{
	return iteratorForEach<JSFetchHeaders>(*state, "forEach");
	}

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

	bool JSFetchHeadersOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
	{
	UNUSED_PARAM(handle);
	UNUSED_PARAM(visitor);
	return false;
	}

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

	JSC::JSValue toJSNewlyCreated(JSC::ExecState, JSDOMGlobalObject globalObject, Ref<FetchHeaders>&& impl)
	{
	#if COMPILER(CLANG)
	// If you hit this failure the interface definition has the ImplementationLacksVTable
	// attribute. You should remove that attribute. If the class has subclasses
	// that may be passed through this toJS() function you should use the SkipVTableValidation
	// attribute to FetchHeaders.
	static_assert(!__is_polymorphic(FetchHeaders), "FetchHeaders is polymorphic but the IDL claims it is not");
	#endif
	return createWrapper<FetchHeaders>(globalObject, WTFMove(impl));
	}

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

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

	}

	#endif // ENABLE(FETCH_API)