diff options
Diffstat (limited to 'src/bun.js/bindings/webcore/JSAbortSignal.cpp')
| -rw-r--r-- | src/bun.js/bindings/webcore/JSAbortSignal.cpp | 424 |
1 files changed, 424 insertions, 0 deletions
diff --git a/src/bun.js/bindings/webcore/JSAbortSignal.cpp b/src/bun.js/bindings/webcore/JSAbortSignal.cpp new file mode 100644 index 000000000..bce823102 --- /dev/null +++ b/src/bun.js/bindings/webcore/JSAbortSignal.cpp @@ -0,0 +1,424 @@ +/* + 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 "JSAbortSignal.h" + +#include "ActiveDOMObject.h" +#include "EventNames.h" +#include "ExtendedDOMClientIsoSubspaces.h" +#include "ExtendedDOMIsoSubspaces.h" +#include "IDLTypes.h" +#include "JSAbortAlgorithm.h" +#include "JSAbortSignal.h" +#include "JSDOMAttribute.h" +#include "JSDOMBinding.h" +#include "JSDOMConstructorNotConstructable.h" +#include "JSDOMConvertAny.h" +#include "JSDOMConvertBase.h" +#include "JSDOMConvertBoolean.h" +#include "JSDOMConvertCallbacks.h" +#include "JSDOMConvertInterface.h" +#include "JSDOMConvertNumbers.h" +#include "JSDOMExceptionHandling.h" +#include "JSDOMGlobalObject.h" +#include "JSDOMGlobalObjectInlines.h" +#include "JSDOMOperation.h" +#include "JSDOMWrapperCache.h" +#include "JSEventListener.h" +#include "ScriptExecutionContext.h" +#include "WebCoreJSClientData.h" +#include <JavaScriptCore/HeapAnalyzer.h> +#include <JavaScriptCore/JSCInlines.h> +#include <JavaScriptCore/JSDestructibleObjectHeapCellType.h> +#include <JavaScriptCore/SlotVisitorMacros.h> +#include <JavaScriptCore/SubspaceInlines.h> +#include <wtf/GetPtr.h> +#include <wtf/PointerPreparations.h> +#include <wtf/URL.h> + +namespace WebCore { +using namespace JSC; + +// Functions + +static JSC_DECLARE_HOST_FUNCTION(jsAbortSignalConstructorFunction_whenSignalAborted); +static JSC_DECLARE_HOST_FUNCTION(jsAbortSignalConstructorFunction_abort); +static JSC_DECLARE_HOST_FUNCTION(jsAbortSignalConstructorFunction_timeout); +static JSC_DECLARE_HOST_FUNCTION(jsAbortSignalPrototypeFunction_throwIfAborted); + +// Attributes + +static JSC_DECLARE_CUSTOM_GETTER(jsAbortSignalConstructor); +static JSC_DECLARE_CUSTOM_GETTER(jsAbortSignal_aborted); +static JSC_DECLARE_CUSTOM_GETTER(jsAbortSignal_reason); +static JSC_DECLARE_CUSTOM_GETTER(jsAbortSignal_onabort); +static JSC_DECLARE_CUSTOM_SETTER(setJSAbortSignal_onabort); + +class JSAbortSignalPrototype final : public JSC::JSNonFinalObject { +public: + using Base = JSC::JSNonFinalObject; + static JSAbortSignalPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure) + { + JSAbortSignalPrototype* ptr = new (NotNull, JSC::allocateCell<JSAbortSignalPrototype>(vm)) JSAbortSignalPrototype(vm, globalObject, structure); + ptr->finishCreation(vm); + return ptr; + } + + DECLARE_INFO; + template<typename CellType, JSC::SubspaceAccess> + static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm) + { + STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSAbortSignalPrototype, 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: + JSAbortSignalPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure) + : JSC::JSNonFinalObject(vm, structure) + { + } + + void finishCreation(JSC::VM&); +}; +STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSAbortSignalPrototype, JSAbortSignalPrototype::Base); + +using JSAbortSignalDOMConstructor = JSDOMConstructorNotConstructable<JSAbortSignal>; + +/* Hash table for constructor */ + +static const HashTableValue JSAbortSignalConstructorTableValues[] = { + { "whenSignalAborted"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsAbortSignalConstructorFunction_whenSignalAborted), (intptr_t)(2) } }, + { "abort"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsAbortSignalConstructorFunction_abort), (intptr_t)(0) } }, + { "timeout"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsAbortSignalConstructorFunction_timeout), (intptr_t)(1) } }, +}; + +template<> const ClassInfo JSAbortSignalDOMConstructor::s_info = { "AbortSignal"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortSignalDOMConstructor) }; + +template<> JSValue JSAbortSignalDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject) +{ + return JSEventTarget::getConstructor(vm, &globalObject); +} + +template<> void JSAbortSignalDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject) +{ + putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); + JSString* nameString = jsNontrivialString(vm, "AbortSignal"_s); + m_originalName.set(vm, this, nameString); + putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); + putDirect(vm, vm.propertyNames->prototype, JSAbortSignal::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete); + reifyStaticProperties(vm, JSAbortSignal::info(), JSAbortSignalConstructorTableValues, *this); + if (!(jsCast<JSDOMGlobalObject*>(&globalObject)->scriptExecutionContext()->isDocument() || jsCast<JSDOMGlobalObject*>(&globalObject)->scriptExecutionContext()->isWorkerGlobalScope())) { + auto propertyName = Identifier::fromString(vm, reinterpret_cast<const LChar*>("timeout"), strlen("timeout")); + VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable); + DeletePropertySlot slot; + JSObject::deleteProperty(this, &globalObject, propertyName, slot); + } +} + +/* Hash table for prototype */ + +static const HashTableValue JSAbortSignalPrototypeTableValues[] = { + { "constructor"_s, static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsAbortSignalConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, + { "aborted"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsAbortSignal_aborted), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, + { "reason"_s, static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsAbortSignal_reason), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, + { "onabort"_s, static_cast<unsigned>(JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t) static_cast<PropertySlot::GetValueFunc>(jsAbortSignal_onabort), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(setJSAbortSignal_onabort) } }, + { "throwIfAborted"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function), NoIntrinsic, { (intptr_t) static_cast<RawNativeFunction>(jsAbortSignalPrototypeFunction_throwIfAborted), (intptr_t)(0) } }, +}; + +const ClassInfo JSAbortSignalPrototype::s_info = { "AbortSignal"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortSignalPrototype) }; + +void JSAbortSignalPrototype::finishCreation(VM& vm) +{ + Base::finishCreation(vm); + reifyStaticProperties(vm, JSAbortSignal::info(), JSAbortSignalPrototypeTableValues, *this); + putDirect(vm, static_cast<JSVMClientData*>(vm.clientData)->builtinNames().whenSignalAbortedPrivateName(), JSFunction::create(vm, globalObject(), 0, String(), jsAbortSignalConstructorFunction_whenSignalAborted), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); + JSC_TO_STRING_TAG_WITHOUT_TRANSITION(); +} + +const ClassInfo JSAbortSignal::s_info = { "AbortSignal"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSAbortSignal) }; + +JSAbortSignal::JSAbortSignal(Structure* structure, JSDOMGlobalObject& globalObject, Ref<AbortSignal>&& impl) + : JSEventTarget(structure, globalObject, WTFMove(impl)) +{ +} + +void JSAbortSignal::finishCreation(VM& vm) +{ + Base::finishCreation(vm); + ASSERT(inherits(info())); +} + +JSObject* JSAbortSignal::createPrototype(VM& vm, JSDOMGlobalObject& globalObject) +{ + return JSAbortSignalPrototype::create(vm, &globalObject, JSAbortSignalPrototype::createStructure(vm, &globalObject, JSEventTarget::prototype(vm, globalObject))); +} + +JSObject* JSAbortSignal::prototype(VM& vm, JSDOMGlobalObject& globalObject) +{ + return getDOMPrototype<JSAbortSignal>(vm, globalObject); +} + +JSValue JSAbortSignal::getConstructor(VM& vm, const JSGlobalObject* globalObject) +{ + return getDOMConstructor<JSAbortSignalDOMConstructor, DOMConstructorID::AbortSignal>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject)); +} + +JSC_DEFINE_CUSTOM_GETTER(jsAbortSignalConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName)) +{ + VM& vm = JSC::getVM(lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto* prototype = jsDynamicCast<JSAbortSignalPrototype*>(JSValue::decode(thisValue)); + if (UNLIKELY(!prototype)) + return throwVMTypeError(lexicalGlobalObject, throwScope); + return JSValue::encode(JSAbortSignal::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject())); +} + +static inline JSValue jsAbortSignal_abortedGetter(JSGlobalObject& lexicalGlobalObject, JSAbortSignal& thisObject) +{ + auto& vm = JSC::getVM(&lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto& impl = thisObject.wrapped(); + RELEASE_AND_RETURN(throwScope, (toJS<IDLBoolean>(lexicalGlobalObject, throwScope, impl.aborted()))); +} + +JSC_DEFINE_CUSTOM_GETTER(jsAbortSignal_aborted, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName)) +{ + return IDLAttribute<JSAbortSignal>::get<jsAbortSignal_abortedGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName); +} + +static inline JSValue jsAbortSignal_reasonGetter(JSGlobalObject& lexicalGlobalObject, JSAbortSignal& thisObject) +{ + auto& vm = JSC::getVM(&lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto& impl = thisObject.wrapped(); + RELEASE_AND_RETURN(throwScope, (toJS<IDLAny>(lexicalGlobalObject, throwScope, impl.reason()))); +} + +JSC_DEFINE_CUSTOM_GETTER(jsAbortSignal_reason, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName)) +{ + return IDLAttribute<JSAbortSignal>::get<jsAbortSignal_reasonGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName); +} + +static inline JSValue jsAbortSignal_onabortGetter(JSGlobalObject& lexicalGlobalObject, JSAbortSignal& thisObject) +{ + UNUSED_PARAM(lexicalGlobalObject); + return eventHandlerAttribute(thisObject.wrapped(), eventNames().abortEvent, worldForDOMObject(thisObject)); +} + +JSC_DEFINE_CUSTOM_GETTER(jsAbortSignal_onabort, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName)) +{ + return IDLAttribute<JSAbortSignal>::get<jsAbortSignal_onabortGetter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName); +} + +static inline bool setJSAbortSignal_onabortSetter(JSGlobalObject& lexicalGlobalObject, JSAbortSignal& thisObject, JSValue value) +{ + auto& vm = JSC::getVM(&lexicalGlobalObject); + setEventHandlerAttribute<JSEventListener>(thisObject.wrapped(), eventNames().abortEvent, value, thisObject); + vm.writeBarrier(&thisObject, value); + ensureStillAliveHere(value); + + return true; +} + +JSC_DEFINE_CUSTOM_SETTER(setJSAbortSignal_onabort, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, EncodedJSValue encodedValue, PropertyName attributeName)) +{ + return IDLAttribute<JSAbortSignal>::set<setJSAbortSignal_onabortSetter>(*lexicalGlobalObject, thisValue, encodedValue, attributeName); +} + +static inline JSC::EncodedJSValue jsAbortSignalConstructorFunction_whenSignalAbortedBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame) +{ + auto& vm = JSC::getVM(lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + UNUSED_PARAM(throwScope); + UNUSED_PARAM(callFrame); + if (UNLIKELY(callFrame->argumentCount() < 2)) + return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject)); + EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0); + auto object = convert<IDLInterface<AbortSignal>>(*lexicalGlobalObject, argument0.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentTypeError(lexicalGlobalObject, scope, 0, "object", "AbortSignal", "whenSignalAborted", "AbortSignal"); }); + RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); + EnsureStillAliveScope argument1 = callFrame->uncheckedArgument(1); + auto algorithm = convert<IDLCallbackFunction<JSAbortAlgorithm>>(*lexicalGlobalObject, argument1.value(), [](JSC::JSGlobalObject& lexicalGlobalObject, JSC::ThrowScope& scope) { throwArgumentMustBeFunctionError(lexicalGlobalObject, scope, 1, "algorithm", "AbortSignal", "whenSignalAborted"); }); + RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); + RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLBoolean>(*lexicalGlobalObject, throwScope, AbortSignal::whenSignalAborted(*object, algorithm.releaseNonNull())))); +} + +JSC_DEFINE_HOST_FUNCTION(jsAbortSignalConstructorFunction_whenSignalAborted, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +{ + return IDLOperation<JSAbortSignal>::callStatic<jsAbortSignalConstructorFunction_whenSignalAbortedBody, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, *callFrame, "whenSignalAborted"); +} + +static inline JSC::EncodedJSValue jsAbortSignalConstructorFunction_abortBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame) +{ + auto& vm = JSC::getVM(lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + UNUSED_PARAM(throwScope); + UNUSED_PARAM(callFrame); + auto* context = jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)->scriptExecutionContext(); + if (UNLIKELY(!context)) + return JSValue::encode(jsUndefined()); + EnsureStillAliveScope argument0 = callFrame->argument(0); + auto reason = convert<IDLAny>(*lexicalGlobalObject, argument0.value()); + RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); + RELEASE_AND_RETURN(throwScope, JSValue::encode(toJSNewlyCreated<IDLInterface<AbortSignal>>(*lexicalGlobalObject, *jsCast<JSDOMGlobalObject*>(lexicalGlobalObject), throwScope, AbortSignal::abort(*jsCast<JSDOMGlobalObject*>(lexicalGlobalObject), *context, WTFMove(reason))))); +} + +JSC_DEFINE_HOST_FUNCTION(jsAbortSignalConstructorFunction_abort, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +{ + return IDLOperation<JSAbortSignal>::callStatic<jsAbortSignalConstructorFunction_abortBody>(*lexicalGlobalObject, *callFrame, "abort"); +} + +static inline JSC::EncodedJSValue jsAbortSignalConstructorFunction_timeoutBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame) +{ + auto& vm = JSC::getVM(lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + UNUSED_PARAM(throwScope); + UNUSED_PARAM(callFrame); + if (UNLIKELY(callFrame->argumentCount() < 1)) + return throwVMError(lexicalGlobalObject, throwScope, createNotEnoughArgumentsError(lexicalGlobalObject)); + auto* context = jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)->scriptExecutionContext(); + if (UNLIKELY(!context)) + return JSValue::encode(jsUndefined()); + EnsureStillAliveScope argument0 = callFrame->uncheckedArgument(0); + auto milliseconds = convert<IDLEnforceRangeAdaptor<IDLUnsignedLongLong>>(*lexicalGlobalObject, argument0.value()); + RETURN_IF_EXCEPTION(throwScope, encodedJSValue()); + RELEASE_AND_RETURN(throwScope, JSValue::encode(toJSNewlyCreated<IDLInterface<AbortSignal>>(*lexicalGlobalObject, *jsCast<JSDOMGlobalObject*>(lexicalGlobalObject), throwScope, AbortSignal::timeout(*context, WTFMove(milliseconds))))); +} + +JSC_DEFINE_HOST_FUNCTION(jsAbortSignalConstructorFunction_timeout, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +{ + return IDLOperation<JSAbortSignal>::callStatic<jsAbortSignalConstructorFunction_timeoutBody>(*lexicalGlobalObject, *callFrame, "timeout"); +} + +static inline JSC::EncodedJSValue jsAbortSignalPrototypeFunction_throwIfAbortedBody(JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame, typename IDLOperation<JSAbortSignal>::ClassParameter castedThis) +{ + auto& vm = JSC::getVM(lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + UNUSED_PARAM(throwScope); + UNUSED_PARAM(callFrame); + auto& impl = castedThis->wrapped(); + RELEASE_AND_RETURN(throwScope, JSValue::encode(toJS<IDLUndefined>(*lexicalGlobalObject, throwScope, [&]() -> decltype(auto) { return impl.throwIfAborted(*jsCast<JSDOMGlobalObject*>(lexicalGlobalObject)); }))); +} + +JSC_DEFINE_HOST_FUNCTION(jsAbortSignalPrototypeFunction_throwIfAborted, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +{ + return IDLOperation<JSAbortSignal>::call<jsAbortSignalPrototypeFunction_throwIfAbortedBody>(*lexicalGlobalObject, *callFrame, "throwIfAborted"); +} + +JSC::GCClient::IsoSubspace* JSAbortSignal::subspaceForImpl(JSC::VM& vm) +{ + return WebCore::subspaceForImpl<JSAbortSignal, UseCustomHeapCellType::No>( + vm, + [](auto& spaces) { return spaces.m_clientSubspaceForAbortSignal.get(); }, + [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForAbortSignal = WTFMove(space); }, + [](auto& spaces) { return spaces.m_subspaceForAbortSignal.get(); }, + [](auto& spaces, auto&& space) { spaces.m_subspaceForAbortSignal = WTFMove(space); }); +} + +template<typename Visitor> +void JSAbortSignal::visitChildrenImpl(JSCell* cell, Visitor& visitor) +{ + auto* thisObject = jsCast<JSAbortSignal*>(cell); + ASSERT_GC_OBJECT_INHERITS(thisObject, info()); + Base::visitChildren(thisObject, visitor); + thisObject->visitAdditionalChildren(visitor); +} + +DEFINE_VISIT_CHILDREN(JSAbortSignal); + +template<typename Visitor> +void JSAbortSignal::visitOutputConstraints(JSCell* cell, Visitor& visitor) +{ + auto* thisObject = jsCast<JSAbortSignal*>(cell); + ASSERT_GC_OBJECT_INHERITS(thisObject, info()); + Base::visitOutputConstraints(thisObject, visitor); + thisObject->visitAdditionalChildren(visitor); +} + +template void JSAbortSignal::visitOutputConstraints(JSCell*, AbstractSlotVisitor&); +template void JSAbortSignal::visitOutputConstraints(JSCell*, SlotVisitor&); +void JSAbortSignal::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer) +{ + auto* thisObject = jsCast<JSAbortSignal*>(cell); + analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped()); + if (thisObject->scriptExecutionContext()) + analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string()); + Base::analyzeHeap(cell, analyzer); +} + +void JSAbortSignalOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context) +{ + auto* jsAbortSignal = static_cast<JSAbortSignal*>(handle.slot()->asCell()); + auto& world = *static_cast<DOMWrapperWorld*>(context); + uncacheWrapper(world, &jsAbortSignal->wrapped(), jsAbortSignal); +} + +#if ENABLE(BINDING_INTEGRITY) +#if PLATFORM(WIN) +#pragma warning(disable : 4483) +extern "C" { +extern void (*const __identifier("??_7AbortSignal@WebCore@@6B@")[])(); +} +#else +extern "C" { +extern void* _ZTVN7WebCore11AbortSignalE[]; +} +#endif +#endif + +JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<AbortSignal>&& impl) +{ + + if constexpr (std::is_polymorphic_v<AbortSignal>) { +#if ENABLE(BINDING_INTEGRITY) + const void* actualVTablePointer = getVTablePointer(impl.ptr()); +#if PLATFORM(WIN) + void* expectedVTablePointer = __identifier("??_7AbortSignal@WebCore@@6B@"); +#else + void* expectedVTablePointer = &_ZTVN7WebCore11AbortSignalE[2]; +#endif + + // If you hit this assertion you either have a use after free bug, or + // AbortSignal has subclasses. If AbortSignal has subclasses that get passed + // to toJS() we currently require AbortSignal you to opt out of binding hardening + // by adding the SkipVTableValidation attribute to the interface IDL definition + RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer); +#endif + } + return createWrapper<AbortSignal>(globalObject, WTFMove(impl)); +} + +JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, AbortSignal& impl) +{ + return wrap(lexicalGlobalObject, globalObject, impl); +} + +AbortSignal* JSAbortSignal::toWrapped(JSC::VM& vm, JSC::JSValue value) +{ + if (auto* wrapper = jsDynamicCast<JSAbortSignal*>(value)) + return &wrapper->wrapped(); + return nullptr; +} + +} |