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author | 2022-04-09 19:53:17 -0700 | |
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committer | 2022-04-09 19:53:17 -0700 | |
commit | c5d637fbb15874caa0d9669ac8cc79912ed4d5d9 (patch) | |
tree | f20a9b0047ba763b0003a60032d6c4ae1f9dcb47 /src/javascript/jsc/bindings/webcore/JSMessageChannel.cpp | |
parent | fb82e2bf86a13211f08b407c3ec80fc0db45a77c (diff) | |
download | bun-jarred/workers.tar.gz bun-jarred/workers.tar.zst bun-jarred/workers.zip |
Diffstat (limited to 'src/javascript/jsc/bindings/webcore/JSMessageChannel.cpp')
-rw-r--r-- | src/javascript/jsc/bindings/webcore/JSMessageChannel.cpp | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/src/javascript/jsc/bindings/webcore/JSMessageChannel.cpp b/src/javascript/jsc/bindings/webcore/JSMessageChannel.cpp new file mode 100644 index 000000000..0421bc9d3 --- /dev/null +++ b/src/javascript/jsc/bindings/webcore/JSMessageChannel.cpp @@ -0,0 +1,326 @@ +/* + 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(CHANNEL_MESSAGING) + +#include "JSMessageChannel.h" + +#include "ActiveDOMObject.h" +#include "ExtendedDOMClientIsoSubspaces.h" +#include "ExtendedDOMIsoSubspaces.h" +#include "JSDOMAttribute.h" +#include "JSDOMBinding.h" +#include "JSDOMConstructor.h" +#include "JSDOMConvertInterface.h" +#include "JSDOMExceptionHandling.h" +#include "JSDOMGlobalObject.h" +#include "JSDOMGlobalObjectInlines.h" +#include "JSDOMWrapperCache.h" +#include "JSMessagePort.h" +#include "ScriptExecutionContext.h" +#include "WebCoreJSClientData.h" +#include <JavaScriptCore/FunctionPrototype.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; + +// Attributes + +static JSC_DECLARE_CUSTOM_GETTER(jsMessageChannelConstructor); +static JSC_DECLARE_CUSTOM_GETTER(jsMessageChannel_port1); +static JSC_DECLARE_CUSTOM_GETTER(jsMessageChannel_port2); + +class JSMessageChannelPrototype final : public JSC::JSNonFinalObject { +public: + using Base = JSC::JSNonFinalObject; + static JSMessageChannelPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure) + { + JSMessageChannelPrototype* ptr = new (NotNull, JSC::allocateCell<JSMessageChannelPrototype>(vm)) JSMessageChannelPrototype(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(JSMessageChannelPrototype, 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: + JSMessageChannelPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure) + : JSC::JSNonFinalObject(vm, structure) + { + } + + void finishCreation(JSC::VM&); +}; +STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSMessageChannelPrototype, JSMessageChannelPrototype::Base); + +using JSMessageChannelDOMConstructor = JSDOMConstructor<JSMessageChannel>; + +template<> EncodedJSValue JSC_HOST_CALL_ATTRIBUTES JSMessageChannelDOMConstructor::construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame) +{ + VM& vm = lexicalGlobalObject->vm(); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto* castedThis = jsCast<JSMessageChannelDOMConstructor*>(callFrame->jsCallee()); + ASSERT(castedThis); + auto* context = castedThis->scriptExecutionContext(); + if (UNLIKELY(!context)) + return throwConstructorScriptExecutionContextUnavailableError(*lexicalGlobalObject, throwScope, "MessageChannel"); + auto object = MessageChannel::create(*context); + if constexpr (IsExceptionOr<decltype(object)>) + RETURN_IF_EXCEPTION(throwScope, { }); + static_assert(TypeOrExceptionOrUnderlyingType<decltype(object)>::isRef); + auto jsValue = toJSNewlyCreated<IDLInterface<MessageChannel>>(*lexicalGlobalObject, *castedThis->globalObject(), throwScope, WTFMove(object)); + if constexpr (IsExceptionOr<decltype(object)>) + RETURN_IF_EXCEPTION(throwScope, { }); + setSubclassStructureIfNeeded<MessageChannel>(lexicalGlobalObject, callFrame, asObject(jsValue)); + RETURN_IF_EXCEPTION(throwScope, { }); + return JSValue::encode(jsValue); +} +JSC_ANNOTATE_HOST_FUNCTION(JSMessageChannelDOMConstructorConstruct, JSMessageChannelDOMConstructor::construct); + +template<> const ClassInfo JSMessageChannelDOMConstructor::s_info = { "MessageChannel"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessageChannelDOMConstructor) }; + +template<> JSValue JSMessageChannelDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject) +{ + UNUSED_PARAM(vm); + return globalObject.functionPrototype(); +} + +template<> void JSMessageChannelDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject) +{ + putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); + JSString* nameString = jsNontrivialString(vm, "MessageChannel"_s); + m_originalName.set(vm, this, nameString); + putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); + putDirect(vm, vm.propertyNames->prototype, JSMessageChannel::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete); +} + +/* Hash table for prototype */ + +static const HashTableValue JSMessageChannelPrototypeTableValues[] = +{ + { "constructor", static_cast<unsigned>(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsMessageChannelConstructor), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, + { "port1", static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsMessageChannel_port1), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, + { "port2", static_cast<unsigned>(JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::CustomAccessor | JSC::PropertyAttribute::DOMAttribute), NoIntrinsic, { (intptr_t)static_cast<PropertySlot::GetValueFunc>(jsMessageChannel_port2), (intptr_t) static_cast<PutPropertySlot::PutValueFunc>(0) } }, +}; + +const ClassInfo JSMessageChannelPrototype::s_info = { "MessageChannel"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessageChannelPrototype) }; + +void JSMessageChannelPrototype::finishCreation(VM& vm) +{ + Base::finishCreation(vm); + reifyStaticProperties(vm, JSMessageChannel::info(), JSMessageChannelPrototypeTableValues, *this); + JSC_TO_STRING_TAG_WITHOUT_TRANSITION(); +} + +const ClassInfo JSMessageChannel::s_info = { "MessageChannel"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSMessageChannel) }; + +JSMessageChannel::JSMessageChannel(Structure* structure, JSDOMGlobalObject& globalObject, Ref<MessageChannel>&& impl) + : JSDOMWrapper<MessageChannel>(structure, globalObject, WTFMove(impl)) +{ +} + +void JSMessageChannel::finishCreation(VM& vm) +{ + Base::finishCreation(vm); + ASSERT(inherits(vm, info())); + + static_assert(!std::is_base_of<ActiveDOMObject, MessageChannel>::value, "Interface is not marked as [ActiveDOMObject] even though implementation class subclasses ActiveDOMObject."); + +} + +JSObject* JSMessageChannel::createPrototype(VM& vm, JSDOMGlobalObject& globalObject) +{ + return JSMessageChannelPrototype::create(vm, &globalObject, JSMessageChannelPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype())); +} + +JSObject* JSMessageChannel::prototype(VM& vm, JSDOMGlobalObject& globalObject) +{ + return getDOMPrototype<JSMessageChannel>(vm, globalObject); +} + +JSValue JSMessageChannel::getConstructor(VM& vm, const JSGlobalObject* globalObject) +{ + return getDOMConstructor<JSMessageChannelDOMConstructor, DOMConstructorID::MessageChannel>(vm, *jsCast<const JSDOMGlobalObject*>(globalObject)); +} + +void JSMessageChannel::destroy(JSC::JSCell* cell) +{ + JSMessageChannel* thisObject = static_cast<JSMessageChannel*>(cell); + thisObject->JSMessageChannel::~JSMessageChannel(); +} + +JSC_DEFINE_CUSTOM_GETTER(jsMessageChannelConstructor, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName)) +{ + VM& vm = JSC::getVM(lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto* prototype = jsDynamicCast<JSMessageChannelPrototype*>(vm, JSValue::decode(thisValue)); + if (UNLIKELY(!prototype)) + return throwVMTypeError(lexicalGlobalObject, throwScope); + return JSValue::encode(JSMessageChannel::getConstructor(JSC::getVM(lexicalGlobalObject), prototype->globalObject())); +} + +static inline JSValue jsMessageChannel_port1Getter(JSGlobalObject& lexicalGlobalObject, JSMessageChannel& thisObject) +{ + auto& vm = JSC::getVM(&lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto& impl = thisObject.wrapped(); + RELEASE_AND_RETURN(throwScope, (toJS<IDLInterface<MessagePort>>(lexicalGlobalObject, *thisObject.globalObject(), throwScope, impl.port1()))); +} + +JSC_DEFINE_CUSTOM_GETTER(jsMessageChannel_port1, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName)) +{ + return IDLAttribute<JSMessageChannel>::get<jsMessageChannel_port1Getter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName); +} + +static inline JSValue jsMessageChannel_port2Getter(JSGlobalObject& lexicalGlobalObject, JSMessageChannel& thisObject) +{ + auto& vm = JSC::getVM(&lexicalGlobalObject); + auto throwScope = DECLARE_THROW_SCOPE(vm); + auto& impl = thisObject.wrapped(); + RELEASE_AND_RETURN(throwScope, (toJS<IDLInterface<MessagePort>>(lexicalGlobalObject, *thisObject.globalObject(), throwScope, impl.port2()))); +} + +JSC_DEFINE_CUSTOM_GETTER(jsMessageChannel_port2, (JSGlobalObject* lexicalGlobalObject, EncodedJSValue thisValue, PropertyName attributeName)) +{ + return IDLAttribute<JSMessageChannel>::get<jsMessageChannel_port2Getter, CastedThisErrorBehavior::Assert>(*lexicalGlobalObject, thisValue, attributeName); +} + +JSC::GCClient::IsoSubspace* JSMessageChannel::subspaceForImpl(JSC::VM& vm) +{ + return WebCore::subspaceForImpl<JSMessageChannel, UseCustomHeapCellType::No>(vm, + [] (auto& spaces) { return spaces.m_clientSubspaceForMessageChannel.get(); }, + [] (auto& spaces, auto&& space) { spaces.m_clientSubspaceForMessageChannel = WTFMove(space); }, + [] (auto& spaces) { return spaces.m_subspaceForMessageChannel.get(); }, + [] (auto& spaces, auto&& space) { spaces.m_subspaceForMessageChannel = WTFMove(space); } + ); +} + +template<typename Visitor> +void JSMessageChannel::visitChildrenImpl(JSCell* cell, Visitor& visitor) +{ + auto* thisObject = jsCast<JSMessageChannel*>(cell); + ASSERT_GC_OBJECT_INHERITS(thisObject, info()); + Base::visitChildren(thisObject, visitor); + thisObject->visitAdditionalChildren(visitor); +} + +DEFINE_VISIT_CHILDREN(JSMessageChannel); + +template<typename Visitor> +void JSMessageChannel::visitOutputConstraints(JSCell* cell, Visitor& visitor) +{ + auto* thisObject = jsCast<JSMessageChannel*>(cell); + ASSERT_GC_OBJECT_INHERITS(thisObject, info()); + Base::visitOutputConstraints(thisObject, visitor); + thisObject->visitAdditionalChildren(visitor); +} + +template void JSMessageChannel::visitOutputConstraints(JSCell*, AbstractSlotVisitor&); +template void JSMessageChannel::visitOutputConstraints(JSCell*, SlotVisitor&); +void JSMessageChannel::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer) +{ + auto* thisObject = jsCast<JSMessageChannel*>(cell); + analyzer.setWrappedObjectForCell(cell, &thisObject->wrapped()); + if (thisObject->scriptExecutionContext()) + analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string()); + Base::analyzeHeap(cell, analyzer); +} + +bool JSMessageChannelOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, AbstractSlotVisitor& visitor, const char** reason) +{ + UNUSED_PARAM(handle); + UNUSED_PARAM(visitor); + UNUSED_PARAM(reason); + return false; +} + +void JSMessageChannelOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context) +{ + auto* jsMessageChannel = static_cast<JSMessageChannel*>(handle.slot()->asCell()); + auto& world = *static_cast<DOMWrapperWorld*>(context); + uncacheWrapper(world, &jsMessageChannel->wrapped(), jsMessageChannel); +} + +#if ENABLE(BINDING_INTEGRITY) +#if PLATFORM(WIN) +#pragma warning(disable: 4483) +extern "C" { extern void (*const __identifier("??_7MessageChannel@WebCore@@6B@")[])(); } +#else +extern "C" { extern void* _ZTVN7WebCore14MessageChannelE[]; } +#endif +#endif + +JSC::JSValue toJSNewlyCreated(JSC::JSGlobalObject*, JSDOMGlobalObject* globalObject, Ref<MessageChannel>&& impl) +{ + + if constexpr (std::is_polymorphic_v<MessageChannel>) { +#if ENABLE(BINDING_INTEGRITY) + const void* actualVTablePointer = getVTablePointer(impl.ptr()); +#if PLATFORM(WIN) + void* expectedVTablePointer = __identifier("??_7MessageChannel@WebCore@@6B@"); +#else + void* expectedVTablePointer = &_ZTVN7WebCore14MessageChannelE[2]; +#endif + + // If you hit this assertion you either have a use after free bug, or + // MessageChannel has subclasses. If MessageChannel has subclasses that get passed + // to toJS() we currently require MessageChannel you to opt out of binding hardening + // by adding the SkipVTableValidation attribute to the interface IDL definition + RELEASE_ASSERT(actualVTablePointer == expectedVTablePointer); +#endif + } + return createWrapper<MessageChannel>(globalObject, WTFMove(impl)); +} + +JSC::JSValue toJS(JSC::JSGlobalObject* lexicalGlobalObject, JSDOMGlobalObject* globalObject, MessageChannel& impl) +{ + return wrap(lexicalGlobalObject, globalObject, impl); +} + +MessageChannel* JSMessageChannel::toWrapped(JSC::VM& vm, JSC::JSValue value) +{ + if (auto* wrapper = jsDynamicCast<JSMessageChannel*>(vm, value)) + return &wrapper->wrapped(); + return nullptr; +} + +} + +#endif // ENABLE(CHANNEL_MESSAGING) |