text: /*
      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 "JSTestEventTarget.h"
  
  #include "ActiveDOMObject.h"
  #include "DOMIsoSubspaces.h"
  #include "JSDOMAbstractOperations.h"
  #include "JSDOMBinding.h"
  #include "JSDOMConstructorNotConstructable.h"
  #include "JSDOMConvertInterface.h"
  #include "JSDOMConvertNumbers.h"
  #include "JSDOMExceptionHandling.h"
  #include "JSDOMGlobalObject.h"
  #include "JSDOMOperation.h"
  #include "JSDOMWrapperCache.h"
  #include "JSNode.h"
  #include "ScriptExecutionContext.h"
  #include "WebCoreJSClientData.h"
  #include <JavaScriptCore/HeapAnalyzer.h>
  #include <JavaScriptCore/JSCInlines.h>
  #include <JavaScriptCore/JSDestructibleObjectHeapCellType.h>
  #include <JavaScriptCore/PropertyNameArray.h>
  #include <JavaScriptCore/SubspaceInlines.h>
  #include <wtf/GetPtr.h>
  #include <wtf/PointerPreparations.h>
  #include <wtf/URL.h>
  
  
  namespace WebCore {
  using namespace JSC;
  
  // Functions
  
  JSC::EncodedJSValue JSC_HOST_CALL jsTestEventTargetPrototypeFunctionItem(JSC::JSGlobalObject*, JSC::CallFrame*);
  
  // Attributes
  
  JSC::EncodedJSValue jsTestEventTargetConstructor(JSC::JSGlobalObject*, JSC::EncodedJSValue, JSC::PropertyName);
  bool setJSTestEventTargetConstructor(JSC::JSGlobalObject*, JSC::EncodedJSValue, JSC::EncodedJSValue);
  
  class JSTestEventTargetPrototype final : public JSC::JSNonFinalObject {
  public:
      using Base = JSC::JSNonFinalObject;
      static JSTestEventTargetPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure)
      {
          JSTestEventTargetPrototype* ptr = new (NotNull, JSC::allocateCell<JSTestEventTargetPrototype>(vm.heap)) JSTestEventTargetPrototype(vm, globalObject, structure);
          ptr->finishCreation(vm);
          return ptr;
      }
  
      DECLARE_INFO;
      template<typename CellType, JSC::SubspaceAccess>
      static JSC::IsoSubspace* subspaceFor(JSC::VM& vm)
      {
          STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSTestEventTargetPrototype, Base);
          return &vm.plainObjectSpace;
      }
      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:
      JSTestEventTargetPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure)
          : JSC::JSNonFinalObject(vm, structure)
      {
      }
  
      void finishCreation(JSC::VM&);
  };
  STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSTestEventTargetPrototype, JSTestEventTargetPrototype::Base);
  
  using JSTestEventTargetConstructor = JSDOMConstructorNotConstructable<JSTestEventTarget>;
  
  template<> JSValue JSTestEventTargetConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
  {
      return JSEventTarget::getConstructor(vm, &globalObject);
  }
  
  template<> void JSTestEventTargetConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject)
  {
      putDirect(vm, vm.propertyNames->prototype, JSTestEventTarget::prototype(vm, globalObject), JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
      putDirect(vm, vm.propertyNames->name, jsNontrivialString(vm, "TestEventTarget"_s), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
      putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum);
  }
  
  template<> const ClassInfo JSTestEventTargetConstructor::s_info = { "TestEventTarget", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTestEventTargetConstructor) };
  
  /* Hash table for prototype */
  
  static const HashTableValue JSTestEventTargetPrototypeTableValues[] =
  {
      { "constructor", static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsTestEventTargetConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSTestEventTargetConstructor) } },
      { "item", static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t)static_cast<RawNativeFunction>(jsTestEventTargetPrototypeFunctionItem), (intptr_t) (1) } },
  };
  
  const ClassInfo JSTestEventTargetPrototype::s_info = { "TestEventTarget", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTestEventTargetPrototype) };
  
  void JSTestEventTargetPrototype::finishCreation(VM& vm)
  {
      Base::finishCreation(vm);
      reifyStaticProperties(vm, JSTestEventTarget::info(), JSTestEventTargetPrototypeTableValues, *this);
      JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
  }
  
  const ClassInfo JSTestEventTarget::s_info = { "TestEventTarget", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSTestEventTarget) };
  
  JSTestEventTarget::JSTestEventTarget(Structure* structure, JSDOMGlobalObject& globalObject, Ref<TestEventTarget>&& impl)
      : JSEventTarget(structure, globalObject, WTFMove(impl))
  {
  }
  
  void JSTestEventTarget::finishCreation(VM& vm)
  {
      Base::finishCreation(vm);
      ASSERT(inherits(vm, info()));
  
      static_assert(!std::is_base_of<ActiveDOMObject, TestEventTarget>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject.");
  
  }
  
  JSObject* JSTestEventTarget::createPrototype(VM& vm, JSDOMGlobalObject& globalObject)
  {
      return JSTestEventTargetPrototype::create(vm, &globalObject, JSTestEventTargetPrototype::createStructure(vm, &globalObject, JSEventTarget::prototype(vm, globalObject)));
  }
  
  JSObject* JSTestEventTarget::prototype(VM& vm, JSDOMGlobalObject& globalObject)
  {
      return getDOMPrototype<JSTestEventTarget>(vm, globalObject);
  }
  
  JSValue JSTestEventTarget::getConstructor(VM& vm, const JSGlobalObject* globalObject)
  {
      return getDOMConstructor<JSTestEventTargetConstructor>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject));
  }
  
  bool JSTestEventTarget::getOwnPropertySlot(JSObject* object, JSGlobalObject* lexicalGlobalObject, PropertyName propertyName, PropertySlot& slot)
  {
      auto* thisObject = jsCast<JSTestEventTarget*>(object);
      ASSERT_GC_OBJECT_INHERITS(thisObject, info());
      if (auto index = parseIndex(propertyName)) {
          if (index.value() < thisObject->wrapped().length()) {
              auto value = toJS<IDLInterface<Node>>(*lexicalGlobalObject, *thisObject->globalObject(), thisObject->wrapped().item(index.value()));
              slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly), value);
              return true;
          }
          return JSObject::getOwnPropertySlot(object, lexicalGlobalObject, propertyName, slot);
      }
      using GetterIDLType = IDLInterface<Node>;
      auto getterFunctor = [] (auto& thisObject, auto propertyName) -> Optional<typename GetterIDLType::ImplementationType> {
          auto result = thisObject.wrapped().namedItem(propertyNameToAtomString(propertyName));
          if (!GetterIDLType::isNullValue(result))
              return typename GetterIDLType::ImplementationType { GetterIDLType::extractValueFromNullable(result) };
          return WTF::nullopt;
      };
      if (auto namedProperty = accessVisibleNamedProperty<OverrideBuiltins::No>(*lexicalGlobalObject, *thisObject, propertyName, getterFunctor)) {
          auto value = toJS<IDLInterface<Node>>(*lexicalGlobalObject, *thisObject->globalObject(), WTFMove(namedProperty.value()));
          slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly), value);
          return true;
      }
      return JSObject::getOwnPropertySlot(object, lexicalGlobalObject, propertyName, slot);
  }
  
  bool JSTestEventTarget::getOwnPropertySlotByIndex(JSObject* object, JSGlobalObject* lexicalGlobalObject, unsigned index, PropertySlot& slot)
  {
      VM& vm = JSC::getVM(lexicalGlobalObject);
      auto* thisObject = jsCast<JSTestEventTarget*>(object);
      ASSERT_GC_OBJECT_INHERITS(thisObject, info());
      if (LIKELY(index <= MAX_ARRAY_INDEX)) {
          if (index < thisObject->wrapped().length()) {
              auto value = toJS<IDLInterface<Node>>(*lexicalGlobalObject, *thisObject->globalObject(), thisObject->wrapped().item(index));
              slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly), value);
              return true;
          }
          return JSObject::getOwnPropertySlotByIndex(object, lexicalGlobalObject, index, slot);
      }
      auto propertyName = Identifier::from(vm, index);
      using GetterIDLType = IDLInterface<Node>;
      auto getterFunctor = [] (auto& thisObject, auto propertyName) -> Optional<typename GetterIDLType::ImplementationType> {
          auto result = thisObject.wrapped().namedItem(propertyNameToAtomString(propertyName));
          if (!GetterIDLType::isNullValue(result))
              return typename GetterIDLType::ImplementationType { GetterIDLType::extractValueFromNullable(result) };
          return WTF::nullopt;
      };
      if (auto namedProperty = accessVisibleNamedProperty<OverrideBuiltins::No>(*lexicalGlobalObject, *thisObject, propertyName, getterFunctor)) {
          auto value = toJS<IDLInterface<Node>>(*lexicalGlobalObject, *thisObject->globalObject(), WTFMove(namedProperty.value()));
          slot.setValue(thisObject, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly), value);
          return true;
      }
      return JSObject::getOwnPropertySlotByIndex(object, lexicalGlobalObject, index, slot);
  }
  
  void JSTestEventTarget::getOwnPropertyNames(JSObject* object, JSGlobalObject* lexicalGlobalObject, PropertyNameArray& propertyNames, EnumerationMode mode)
  {
      VM& vm = JSC::getVM(lexicalGlobalObject);
      auto* thisObject = jsCast<JSTestEventTarget*>(object);
      ASSERT_GC_OBJECT_INHERITS(object, info());
      for (unsigned i = 0, count = thisObject->wrapped().length(); i < count; ++i)
          propertyNames.add(Identifier::from(vm, i));
      for (auto& propertyName : thisObject->wrapped().supportedPropertyNames())
          propertyNames.add(Identifier::fromString(vm, propertyName));
      JSObject::getOwnPropertyNames(object, lexicalGlobalObject, propertyNames, mode);
  }
  
  template<> inline JSTestEventTarget* IDLOperation<JSTestEventTarget>::cast(JSGlobalObject& lexicalGlobalObject, CallFrame& callFrame)
  {
      return jsDynamicCast<JSTestEventTarget*>(JSC::getVM(&lexicalGlobalObject), callFrame.thisValue());
  }
  
  EncodedJSValue jsTestEventTargetConstructor(JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName)
  {
      VM& vm = JSC::getVM(lexicalGlobalObject);
      auto throwScope = DECLARE_THROW_SCOPE(vm);
      auto* prototype = jsDynamicCast<JSTestEventTargetPrototype*>(vm, JSValue::decode(thisValue));
      if (UNLIKELY(!prototype))
          return throwVMTypeError(lexicalGlobalObject, throwScope);
      return JSValue::encode(JSTestEventTarget::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject()));
  }
  
  bool setJSTestEventTargetConstructor(JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue)
  {
      VM& vm = JSC::getVM(lexicalGlobalObject);
      auto throwScope = DECLARE_THROW_SCOPE(vm);
      auto* prototype = jsDynamicCast<JSTestEventTargetPrototype*>(vm, JSValue::decode(thisValue));
      if (UNLIKELY(!prototype)) {
          throwVMTypeError(lexicalGlobalObject, throwScope);
          return false;
      }
      // Shadowing a built-in constructor
      return prototype->putDirect(vm, vm.propertyNames->constructor, JSValue::decode(encodedValue));
  }
  
  static inline JSC::EncodedJSValue jsTestEventTargetPrototypeFunctionItemBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSTestEventTarget>::ClassParameter castedThis)
  {
      auto& vm = JSC::getVM(lexicalGlobalObject);
      auto throwScope = DECLARE_THROW_SCOPE(vm);
      UNUSED_PARAM(throwScope);
      UNUSED_PARAM(callFrame);
      auto& impl = castedThis->wrapped();
      if (UNLIKELY(callFrame->argumentCount() < 1))
          return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject));
      EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0);
      auto index = convert<IDLUnsignedLong>(*lexicalGlobalObject, argument0.value());
      RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
      RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLInterface<Node>>(*lexicalGlobalObject, *castedThis->globalObject(), impl.item(WTFMove(index)))));
  }
  
  EncodedJSValue JSC_HOST_CALL jsTestEventTargetPrototypeFunctionItem(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
  {
      return IDLOperation<JSTestEventTarget>::call<jsTestEventTargetPrototypeFunctionItemBody>(*lexicalGlobalObject, *callFrame, "item");
  }
  
  JSC::IsoSubspace* JSTestEventTarget::subspaceForImpl(JSC::VM& vm)
  {
      auto& clientData = *static_cast<JSVMClientData*>(vm.clientData);
      auto& spaces = clientData.subspaces();
      if (auto* space = spaces.m_subspaceForTestEventTarget.get())
          return space;
      static_assert(std::is_base_of_v<JSC::JSDestructibleObject, JSTestEventTarget> || !JSTestEventTarget::needsDestruction);
      if constexpr (std::is_base_of_v<JSC::JSDestructibleObject, JSTestEventTarget>)
          spaces.m_subspaceForTestEventTarget = makeUnique<IsoSubspace> ISO_SUBSPACE_INIT(vm.heap, vm.destructibleObjectHeapCellType.get(), JSTestEventTarget);
      else
          spaces.m_subspaceForTestEventTarget = makeUnique<IsoSubspace> ISO_SUBSPACE_INIT(vm.heap, vm.cellHeapCellType.get(), JSTestEventTarget);
      auto* space = spaces.m_subspaceForTestEventTarget.get();
  IGNORE_WARNINGS_BEGIN("unreachable-code")
  IGNORE_WARNINGS_BEGIN("tautological-compare")
      if (&JSTestEventTarget::visitOutputConstraints != &JSC::JSCell::visitOutputConstraints)
          clientData.outputConstraintSpaces().append(space);
  IGNORE_WARNINGS_END
  IGNORE_WARNINGS_END
      return space;
  }
  
  void JSTestEventTarget::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
  {
      auto* thisObject = jsCast<JSTestEventTarget*>(cell);
      analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped());
      if (thisObject->scriptExecutionContext())
          analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string());
      Base::analyzeHeap(cell, analyzer);
  }
  
  #if ENABLE(BINDING_INTEGRITY)
  #if PLATFORM(WIN)
  #pragma warning(disable: 4483)
  extern "C" { extern void (*const __identifier("??_7TestEventTarget@WebCore@@6B@")[])(); }
  #else
  extern "C" { extern void* _ZTVN7WebCore15TestEventTargetE[]; }
  #endif
  #endif
  
  JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<TestEventTarget>&& impl)
  {
  
  #if ENABLE(BINDING_INTEGRITY)
      const void* actualVTablePointer = getVTablePointer(impl.ptr());
  #if PLATFORM(WIN)
      void* expectedVTablePointer = __identifier("??_7TestEventTarget@WebCore@@6B@");
  #else
      void* expectedVTablePointer = &_ZTVN7WebCore15TestEventTargetE[2];
  #endif
  
      // If this fails TestEventTarget does not have a vtable, so you need to add the
      // ImplementationLacksVTable attribute to the interface definition
      static_assert(std::is_polymorphic<TestEventTarget>::value, "TestEventTarget is not polymorphic");
  
      // If you hit this assertion you either have a use after free bug, or
      // TestEventTarget has subclasses. If TestEventTarget has subclasses that get passed
      // to toJS() we currently require TestEventTarget you to opt out of binding hardening
      // by adding the SkipVTableValidation attribute to the interface IDL definition
      RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer);
  #endif
      return createWrapper<TestEventTarget>(globalObject, WTFMove(impl));
  }
  
  JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, TestEventTarget& impl)
  {
      return wrap(lexicalGlobalObject, globalObject, impl);
  }
  
  TestEventTarget* JSTestEventTarget::toWrapped(JSC::VM& vm, JSC::JSValue value)
  {
      if (auto* wrapper = jsDynamicCast<JSTestEventTarget*>(vm, value))
          return &wrapper->wrapped();
      return nullptr;
  }
  
  }
  