#include "config.h" #include "JSDecompressionStream.h" #include "JSDOMBuiltinConstructor.h" #include "JSDOMGlobalObjectInlines.h" #include "WebCoreJSClientData.h" #include "WebCoreJSBuiltins.h" #include #include namespace WebCore { using namespace JSC; static JSC_DECLARE_CUSTOM_GETTER(jsDecompressionStreamConstructor); class JSDecompressionStreamPrototype final : public JSC::JSNonFinalObject { public: using Base = JSC::JSNonFinalObject; static JSDecompressionStreamPrototype* create(JSC::VM& vm, JSDOMGlobalObject* globalObject, JSC::Structure* structure) { JSDecompressionStreamPrototype* ptr = new (NotNull, JSC::allocateCell(vm)) JSDecompressionStreamPrototype(vm, globalObject, structure); ptr->finishCreation(vm); return ptr; } DECLARE_INFO; template static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm) { STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSDecompressionStreamPrototype, 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: JSDecompressionStreamPrototype(JSC::VM& vm, JSC::JSGlobalObject*, JSC::Structure* structure) : JSC::JSNonFinalObject(vm, structure) { } void finishCreation(JSC::VM&); }; STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSDecompressionStreamPrototype, JSDecompressionStreamPrototype::Base); using JSDecompressionStreamDOMConstructor = JSDOMBuiltinConstructor; template<> const ClassInfo JSDecompressionStreamDOMConstructor::s_info = { "DecompressionStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDecompressionStreamDOMConstructor) }; template<> JSValue JSDecompressionStreamDOMConstructor::prototypeForStructure(JSC::VM& vm, const JSDOMGlobalObject& globalObject) { UNUSED_PARAM(vm); return globalObject.functionPrototype(); } template<> void JSDecompressionStreamDOMConstructor::initializeProperties(VM& vm, JSDOMGlobalObject& globalObject) { putDirect(vm, vm.propertyNames->length, jsNumber(0), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); JSString* nameString = jsNontrivialString(vm, "DecompressionStream"_s); m_originalName.set(vm, this, nameString); putDirect(vm, vm.propertyNames->name, nameString, JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum); putDirect(vm, vm.propertyNames->prototype, JSDecompressionStream::prototype(vm, globalObject), JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete); } template<> FunctionExecutable* JSDecompressionStreamDOMConstructor::initializeExecutable(VM& vm) { return decompressionStreamInitializeDecompressionStreamCodeGenerator(vm); } static const HashTableValue JSDecompressionStreamPrototypeTableValues[] = { { "constructor"_s, static_cast(JSC::PropertyAttribute::DontEnum), NoIntrinsic, { HashTableValue::GetterSetterType, jsDecompressionStreamConstructor, 0 } }, { "readable"_s, static_cast(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { HashTableValue::BuiltinAccessorType, decompressionStreamReadableCodeGenerator, 0 } }, { "writable"_s, static_cast(JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::Accessor | JSC::PropertyAttribute::Builtin), NoIntrinsic, { HashTableValue::BuiltinAccessorType, decompressionStreamWritableCodeGenerator, 0 } }, }; const ClassInfo JSDecompressionStreamPrototype::s_info = { "DecompressionStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDecompressionStreamPrototype) }; void JSDecompressionStreamPrototype::finishCreation(VM& vm) { Base::finishCreation(vm); reifyStaticProperties(vm, JSDecompressionStream::info(), JSDecompressionStreamPrototypeTableValues, *this); JSC_TO_STRING_TAG_WITHOUT_TRANSITION(); } const ClassInfo JSDecompressionStream::s_info = { "DecompressionStream"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDecompressionStream) }; JSC::GCClient::IsoSubspace* JSDecompressionStream::subspaceForImpl(JSC::VM& vm) { return WebCore::subspaceForImpl( vm, [](auto& spaces) { return spaces.m_clientSubspaceForDecompressionStream.get(); }, [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForDecompressionStream = std::forward(space); }, [](auto& spaces) { return spaces.m_subspaceForDecompressionStream.get(); }, [](auto& spaces, auto&& space) { spaces.m_subspaceForDecompressionStream = std::forward(space); }); } JSDecompressionStream::JSDecompressionStream(Structure* structure, JSDOMGlobalObject& globalObject) : JSDOMObject(structure, globalObject) { } void JSDecompressionStream::finishCreation(VM& vm) { Base::finishCreation(vm); ASSERT(inherits(info())); } JSObject* JSDecompressionStream::createPrototype(VM& vm, JSDOMGlobalObject& globalObject) { auto* structure = JSDecompressionStreamPrototype::createStructure(vm, &globalObject, globalObject.objectPrototype()); structure->setMayBePrototype(true); return JSDecompressionStreamPrototype::create(vm, &globalObject, structure); } JSObject* JSDecompressionStream::prototype(VM& vm, JSDOMGlobalObject& globalObject) { return getDOMPrototype(vm, globalObject); } JSValue JSDecompressionStream::getConstructor(VM& vm, const JSGlobalObject* globalObject) { return getDOMConstructor(vm, *jsCast(globalObject)); } JSC_DEFINE_CUSTOM_GETTER(jsDecompressionStreamConstructor, (JSGlobalObject * lexicalGlobalObject, EncodedJSValue thisValue, PropertyName)) { auto& vm = JSC::getVM(lexicalGlobalObject); auto throwScope = DECLARE_THROW_SCOPE(vm); auto* prototype = jsDynamicCast(JSValue::decode(thisValue)); if (!prototype) return throwVMTypeError(lexicalGlobalObject, throwScope); return JSValue::encode(JSDecompressionStream::getConstructor(vm, lexicalGlobalObject)); } } // namespace WebCore