/* * Copyright (C) 2007-2017 Apple Inc. All rights reserved. * Copyright (C) 2008 Cameron Zwarich (cwzwarich@uwaterloo.ca) * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Apple Inc. ("Apple") nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "JSGlobalObject.h" #include "ArrayConstructor.h" #include "ArrayIteratorAdaptiveWatchpoint.h" #include "ArrayIteratorPrototype.h" #include "ArrayPrototype.h" #include "AtomicsObject.h" #include "AsyncFunctionConstructor.h" #include "AsyncFunctionPrototype.h" #include "BooleanConstructor.h" #include "BooleanPrototype.h" #include "BuiltinNames.h" #include "ClonedArguments.h" #include "CodeBlock.h" #include "CodeCache.h" #include "ConsoleObject.h" #include "DateConstructor.h" #include "DatePrototype.h" #include "Debugger.h" #include "DebuggerScope.h" #include "DirectArguments.h" #include "DirectEvalExecutable.h" #include "ECMAScriptSpecInternalFunctions.h" #include "Error.h" #include "ErrorConstructor.h" #include "ErrorPrototype.h" #include "FunctionConstructor.h" #include "FunctionPrototype.h" #include "GeneratorFunctionConstructor.h" #include "GeneratorFunctionPrototype.h" #include "GeneratorPrototype.h" #include "GetterSetter.h" #include "HeapIterationScope.h" #include "IndirectEvalExecutable.h" #include "InspectorInstrumentationObject.h" #include "Interpreter.h" #include "IteratorPrototype.h" #include "JSAPIWrapperObject.h" #include "JSArrayBuffer.h" #include "JSArrayBufferConstructor.h" #include "JSArrayBufferPrototype.h" #include "JSAsyncFunction.h" #include "JSBoundFunction.h" #include "JSCInlines.h" #include "JSCallbackConstructor.h" #include "JSCallbackFunction.h" #include "JSCallbackObject.h" #include "JSCustomGetterSetterFunction.h" #include "JSDataView.h" #include "JSDataViewPrototype.h" #include "JSDollarVM.h" #include "JSDollarVMPrototype.h" #include "JSFunction.h" #include "JSGeneratorFunction.h" #include "JSGenericTypedArrayViewConstructorInlines.h" #include "JSGenericTypedArrayViewInlines.h" #include "JSGenericTypedArrayViewPrototypeInlines.h" #include "JSGlobalObjectFunctions.h" #include "JSInternalPromise.h" #include "JSInternalPromiseConstructor.h" #include "JSInternalPromisePrototype.h" #include "JSJob.h" #include "JSLexicalEnvironment.h" #include "JSLock.h" #include "JSMap.h" #include "JSMapIterator.h" #include "JSModuleEnvironment.h" #include "JSModuleLoader.h" #include "JSModuleNamespaceObject.h" #include "JSModuleRecord.h" #include "JSNativeStdFunction.h" #include "JSONObject.h" #include "JSPromise.h" #include "JSPromiseConstructor.h" #include "JSPromisePrototype.h" #include "JSPropertyNameIterator.h" #include "JSSet.h" #include "JSSetIterator.h" #include "JSStringIterator.h" #include "JSTemplateRegistryKey.h" #include "JSTypedArrayConstructors.h" #include "JSTypedArrayPrototypes.h" #include "JSTypedArrayViewConstructor.h" #include "JSTypedArrayViewPrototype.h" #include "JSTypedArrays.h" #include "JSWeakMap.h" #include "JSWeakSet.h" #include "JSWebAssembly.h" #include "JSWebAssemblyCallee.h" #include "JSWithScope.h" #include "LazyClassStructureInlines.h" #include "LazyPropertyInlines.h" #include "Lookup.h" #include "MapConstructor.h" #include "MapIteratorPrototype.h" #include "MapPrototype.h" #include "MarkedSpaceInlines.h" #include "MathObject.h" #include "Microtask.h" #include "ModuleLoaderPrototype.h" #include "NativeErrorConstructor.h" #include "NativeErrorPrototype.h" #include "NullGetterFunction.h" #include "NullSetterFunction.h" #include "NumberConstructor.h" #include "NumberPrototype.h" #include "ObjCCallbackFunction.h" #include "ObjectConstructor.h" #include "ObjectPropertyConditionSet.h" #include "ObjectPrototype.h" #include "ParserError.h" #include "ProxyConstructor.h" #include "ProxyObject.h" #include "ProxyRevoke.h" #include "ReflectObject.h" #include "RegExpConstructor.h" #include "RegExpMatchesArray.h" #include "RegExpObject.h" #include "RegExpPrototype.h" #include "ScopedArguments.h" #include "SetConstructor.h" #include "SetIteratorPrototype.h" #include "SetPrototype.h" #include "StrictEvalActivation.h" #include "StringConstructor.h" #include "StringIteratorPrototype.h" #include "StringPrototype.h" #include "Symbol.h" #include "SymbolConstructor.h" #include "SymbolPrototype.h" #include "VariableWriteFireDetail.h" #include "WeakGCMapInlines.h" #include "WeakMapConstructor.h" #include "WeakMapPrototype.h" #include "WeakSetConstructor.h" #include "WeakSetPrototype.h" #include #if ENABLE(INTL) #include "IntlObject.h" #include #include #include #endif // ENABLE(INTL) #if ENABLE(REMOTE_INSPECTOR) #include "JSGlobalObjectDebuggable.h" #include "JSGlobalObjectInspectorController.h" #endif #if ENABLE(WEB_REPLAY) #include "EmptyInputCursor.h" #include "JSReplayInputs.h" #endif namespace JSC { static JSValue createProxyProperty(VM& vm, JSObject* object) { JSGlobalObject* global = jsCast(object); return ProxyConstructor::create(vm, ProxyConstructor::createStructure(vm, global, global->functionPrototype())); } static JSValue createJSONProperty(VM& vm, JSObject* object) { JSGlobalObject* global = jsCast(object); return JSONObject::create(vm, JSONObject::createStructure(vm, global, global->objectPrototype())); } static JSValue createMathProperty(VM& vm, JSObject* object) { JSGlobalObject* global = jsCast(object); return MathObject::create(vm, global, MathObject::createStructure(vm, global, global->objectPrototype())); } static JSValue createConsoleProperty(VM& vm, JSObject* object) { JSGlobalObject* global = jsCast(object); return ConsoleObject::create(vm, global, ConsoleObject::createStructure(vm, global, constructEmptyObject(global->globalExec()))); } static JSValue createAtomicsProperty(VM& vm, JSObject* object) { JSGlobalObject* global = jsCast(object); return AtomicsObject::create(vm, global, AtomicsObject::createStructure(vm, global, global->objectPrototype())); } static EncodedJSValue JSC_HOST_CALL makeBoundFunction(ExecState* exec) { VM& vm = exec->vm(); JSGlobalObject* globalObject = exec->lexicalGlobalObject(); JSObject* target = asObject(exec->uncheckedArgument(0)); JSValue boundThis = exec->uncheckedArgument(1); JSValue boundArgs = exec->uncheckedArgument(2); JSValue length = exec->uncheckedArgument(3); JSString* name = asString(exec->uncheckedArgument(4)); return JSValue::encode(JSBoundFunction::create( vm, exec, globalObject, target, boundThis, boundArgs.isCell() ? jsCast(boundArgs) : nullptr, length.asInt32(), name->value(exec))); } static EncodedJSValue JSC_HOST_CALL hasOwnLengthProperty(ExecState* exec) { VM& vm = exec->vm(); JSObject* target = asObject(exec->uncheckedArgument(0)); return JSValue::encode(jsBoolean(target->hasOwnProperty(exec, vm.propertyNames->length))); } } // namespace JSC #include "JSGlobalObject.lut.h" namespace JSC { const ClassInfo JSGlobalObject::s_info = { "GlobalObject", &Base::s_info, &globalObjectTable, CREATE_METHOD_TABLE(JSGlobalObject) }; const GlobalObjectMethodTable JSGlobalObject::s_globalObjectMethodTable = { &supportsRichSourceInfo, &shouldInterruptScript, &javaScriptRuntimeFlags, nullptr, &shouldInterruptScriptBeforeTimeout, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr }; /* Source for JSGlobalObject.lut.h @begin globalObjectTable parseFloat globalFuncParseFloat DontEnum|Function 1 isNaN JSBuiltin DontEnum|Function 1 isFinite JSBuiltin DontEnum|Function 1 escape globalFuncEscape DontEnum|Function 1 unescape globalFuncUnescape DontEnum|Function 1 decodeURI globalFuncDecodeURI DontEnum|Function 1 decodeURIComponent globalFuncDecodeURIComponent DontEnum|Function 1 encodeURI globalFuncEncodeURI DontEnum|Function 1 encodeURIComponent globalFuncEncodeURIComponent DontEnum|Function 1 EvalError JSGlobalObject::m_evalErrorConstructor DontEnum|CellProperty ReferenceError JSGlobalObject::m_referenceErrorConstructor DontEnum|CellProperty SyntaxError JSGlobalObject::m_syntaxErrorConstructor DontEnum|CellProperty URIError JSGlobalObject::m_URIErrorConstructor DontEnum|CellProperty Proxy createProxyProperty DontEnum|PropertyCallback JSON createJSONProperty DontEnum|PropertyCallback Math createMathProperty DontEnum|PropertyCallback Atomics createAtomicsProperty DontEnum|PropertyCallback console createConsoleProperty DontEnum|PropertyCallback Int8Array JSGlobalObject::m_typedArrayInt8 DontEnum|ClassStructure Int16Array JSGlobalObject::m_typedArrayInt16 DontEnum|ClassStructure Int32Array JSGlobalObject::m_typedArrayInt32 DontEnum|ClassStructure Uint8Array JSGlobalObject::m_typedArrayUint8 DontEnum|ClassStructure Uint8ClampedArray JSGlobalObject::m_typedArrayUint8Clamped DontEnum|ClassStructure Uint16Array JSGlobalObject::m_typedArrayUint16 DontEnum|ClassStructure Uint32Array JSGlobalObject::m_typedArrayUint32 DontEnum|ClassStructure Float32Array JSGlobalObject::m_typedArrayFloat32 DontEnum|ClassStructure Float64Array JSGlobalObject::m_typedArrayFloat64 DontEnum|ClassStructure DataView JSGlobalObject::m_typedArrayDataView DontEnum|ClassStructure Set JSGlobalObject::m_setStructure DontEnum|ClassStructure Date JSGlobalObject::m_dateStructure DontEnum|ClassStructure Boolean JSGlobalObject::m_booleanObjectStructure DontEnum|ClassStructure Number JSGlobalObject::m_numberObjectStructure DontEnum|ClassStructure WeakMap JSGlobalObject::m_weakMapStructure DontEnum|ClassStructure WeakSet JSGlobalObject::m_weakSetStructure DontEnum|ClassStructure @end */ static EncodedJSValue JSC_HOST_CALL getTemplateObject(ExecState* exec) { JSValue thisValue = exec->thisValue(); ASSERT(thisValue.inherits(exec->vm(), JSTemplateRegistryKey::info())); return JSValue::encode(exec->lexicalGlobalObject()->templateRegistry().getTemplateObject(exec, jsCast(thisValue))); } static EncodedJSValue JSC_HOST_CALL enqueueJob(ExecState* exec) { VM& vm = exec->vm(); JSGlobalObject* globalObject = exec->lexicalGlobalObject(); JSValue job = exec->argument(0); JSValue arguments = exec->argument(1); ASSERT(arguments.inherits(vm, JSArray::info())); globalObject->queueMicrotask(createJSJob(vm, job, jsCast(arguments))); return JSValue::encode(jsUndefined()); } JSGlobalObject::JSGlobalObject(VM& vm, Structure* structure, const GlobalObjectMethodTable* globalObjectMethodTable) : Base(vm, structure, 0) , m_vm(vm) #if ENABLE(WEB_REPLAY) , m_inputCursor(EmptyInputCursor::create()) #endif , m_masqueradesAsUndefinedWatchpoint(adoptRef(new WatchpointSet(IsWatched))) , m_havingABadTimeWatchpoint(adoptRef(new WatchpointSet(IsWatched))) , m_varInjectionWatchpoint(adoptRef(new WatchpointSet(IsWatched))) , m_weakRandom(Options::forceWeakRandomSeed() ? Options::forcedWeakRandomSeed() : static_cast(randomNumber() * (std::numeric_limits::max() + 1.0))) , m_arrayIteratorProtocolWatchpoint(IsWatched) , m_arraySpeciesWatchpoint(ClearWatchpoint) , m_templateRegistry(vm) , m_evalEnabled(true) , m_runtimeFlags() , m_consoleClient(nullptr) , m_globalObjectMethodTable(globalObjectMethodTable ? globalObjectMethodTable : &s_globalObjectMethodTable) { } JSGlobalObject::~JSGlobalObject() { #if ENABLE(REMOTE_INSPECTOR) m_inspectorController->globalObjectDestroyed(); #endif if (m_debugger) m_debugger->detach(this, Debugger::GlobalObjectIsDestructing); } void JSGlobalObject::destroy(JSCell* cell) { static_cast(cell)->JSGlobalObject::~JSGlobalObject(); } void JSGlobalObject::setGlobalThis(VM& vm, JSObject* globalThis) { m_globalThis.set(vm, this, globalThis); } static JSObject* getGetterById(ExecState* exec, JSObject* base, const Identifier& ident) { JSValue baseValue = JSValue(base); PropertySlot slot(baseValue, PropertySlot::InternalMethodType::VMInquiry); baseValue.getPropertySlot(exec, ident, slot); return slot.getPureResult().toObject(exec); } void JSGlobalObject::init(VM& vm) { ASSERT(vm.currentThreadIsHoldingAPILock()); auto catchScope = DECLARE_CATCH_SCOPE(vm); Base::setStructure(vm, Structure::toCacheableDictionaryTransition(vm, structure())); m_debugger = 0; #if ENABLE(REMOTE_INSPECTOR) m_inspectorController = std::make_unique(*this); m_inspectorDebuggable = std::make_unique(*this); m_inspectorDebuggable->init(); m_consoleClient = m_inspectorController->consoleClient(); #endif m_functionPrototype.set(vm, this, FunctionPrototype::create(vm, FunctionPrototype::createStructure(vm, this, jsNull()))); // The real prototype will be set once ObjectPrototype is created. m_calleeStructure.set(vm, this, JSCallee::createStructure(vm, this, jsNull())); m_globalLexicalEnvironment.set(vm, this, JSGlobalLexicalEnvironment::create(vm, JSGlobalLexicalEnvironment::createStructure(vm, this), this)); // Need to create the callee structure (above) before creating the callee. JSCallee* globalCallee = JSCallee::create(vm, this, globalScope()); m_globalCallee.set(vm, this, globalCallee); ExecState::initGlobalExec(JSGlobalObject::globalExec(), globalCallee); ExecState* exec = JSGlobalObject::globalExec(); m_functionStructure.set(vm, this, JSFunction::createStructure(vm, this, m_functionPrototype.get())); m_customGetterSetterFunctionStructure.initLater( [] (const Initializer& init) { init.set(JSCustomGetterSetterFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); }); m_boundFunctionStructure.initLater( [] (const Initializer& init) { init.set(JSBoundFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); }); m_getterSetterStructure.set(vm, this, GetterSetter::createStructure(vm, this, jsNull())); m_nativeStdFunctionStructure.initLater( [] (const Initializer& init) { init.set(JSNativeStdFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); }); m_namedFunctionStructure.initLater( [] (const Initializer& init) { init.set(Structure::addPropertyTransition(init.vm, init.owner->m_functionStructure.get(), init.vm.propertyNames->name, DontDelete | ReadOnly | DontEnum, init.owner->m_functionNameOffset)); }); JSFunction* callFunction = 0; JSFunction* applyFunction = 0; JSFunction* hasInstanceSymbolFunction = 0; m_functionPrototype->addFunctionProperties(exec, this, &callFunction, &applyFunction, &hasInstanceSymbolFunction); m_callFunction.set(vm, this, callFunction); m_applyFunction.set(vm, this, applyFunction); m_arrayProtoToStringFunction.initLater( [] (const Initializer& init) { init.set(JSFunction::create(init.vm, init.owner, 0, init.vm.propertyNames->toString.string(), arrayProtoFuncToString, NoIntrinsic)); }); m_arrayProtoValuesFunction.initLater( [] (const Initializer& init) { init.set(JSFunction::createBuiltinFunction(init.vm, arrayPrototypeValuesCodeGenerator(init.vm), init.owner)); }); m_initializePromiseFunction.initLater( [] (const Initializer& init) { init.set(JSFunction::createBuiltinFunction(init.vm, promiseOperationsInitializePromiseCodeGenerator(init.vm), init.owner)); }); m_iteratorProtocolFunction.initLater( [] (const Initializer& init) { init.set(JSFunction::createBuiltinFunction(init.vm, iteratorHelpersPerformIterationCodeGenerator(init.vm), init.owner)); }); m_newPromiseCapabilityFunction.set(vm, this, JSFunction::createBuiltinFunction(vm, promiseOperationsNewPromiseCapabilityCodeGenerator(vm), this)); m_functionProtoHasInstanceSymbolFunction.set(vm, this, hasInstanceSymbolFunction); m_throwTypeErrorGetterSetter.initLater( [] (const Initializer& init) { JSFunction* thrower = init.owner->throwTypeErrorFunction(); GetterSetter* getterSetter = GetterSetter::create(init.vm, init.owner); getterSetter->setGetter(init.vm, init.owner, thrower); getterSetter->setSetter(init.vm, init.owner, thrower); init.set(getterSetter); }); m_nullGetterFunction.set(vm, this, NullGetterFunction::create(vm, NullGetterFunction::createStructure(vm, this, m_functionPrototype.get()))); m_nullSetterFunction.set(vm, this, NullSetterFunction::create(vm, NullSetterFunction::createStructure(vm, this, m_functionPrototype.get()))); m_objectPrototype.set(vm, this, ObjectPrototype::create(vm, this, ObjectPrototype::createStructure(vm, this, jsNull()))); GetterSetter* protoAccessor = GetterSetter::create(vm, this); protoAccessor->setGetter(vm, this, JSFunction::create(vm, this, 0, makeString("get ", vm.propertyNames->underscoreProto.string()), globalFuncProtoGetter)); protoAccessor->setSetter(vm, this, JSFunction::create(vm, this, 0, makeString("set ", vm.propertyNames->underscoreProto.string()), globalFuncProtoSetter)); m_objectPrototype->putDirectNonIndexAccessor(vm, vm.propertyNames->underscoreProto, protoAccessor, Accessor | DontEnum); m_functionPrototype->structure()->setPrototypeWithoutTransition(vm, m_objectPrototype.get()); m_objectStructureForObjectConstructor.set(vm, this, vm.prototypeMap.emptyObjectStructureForPrototype(this, m_objectPrototype.get(), JSFinalObject::defaultInlineCapacity())); m_objectProtoValueOfFunction.set(vm, this, jsCast(objectPrototype()->getDirect(vm, vm.propertyNames->valueOf))); JSFunction* thrower = JSFunction::create(vm, this, 0, String(), globalFuncThrowTypeErrorArgumentsCalleeAndCaller); GetterSetter* getterSetter = GetterSetter::create(vm, this); getterSetter->setGetter(vm, this, thrower); getterSetter->setSetter(vm, this, thrower); m_throwTypeErrorArgumentsCalleeAndCallerGetterSetter.set(vm, this, getterSetter); m_functionPrototype->initRestrictedProperties(exec, this); m_speciesGetterSetter.set(vm, this, GetterSetter::create(vm, this)); m_speciesGetterSetter->setGetter(vm, this, JSFunction::createBuiltinFunction(vm, globalOperationsSpeciesGetterCodeGenerator(vm), this, "get [Symbol.species]")); m_typedArrayProto.initLater( [] (const Initializer& init) { init.set(JSTypedArrayViewPrototype::create(init.vm, init.owner, JSTypedArrayViewPrototype::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get()))); // Make sure that the constructor gets initialized, too. init.owner->m_typedArraySuperConstructor.get(init.owner); }); m_typedArraySuperConstructor.initLater( [] (const Initializer& init) { JSTypedArrayViewPrototype* prototype = init.owner->m_typedArrayProto.get(init.owner); JSTypedArrayViewConstructor* constructor = JSTypedArrayViewConstructor::create(init.vm, init.owner, JSTypedArrayViewConstructor::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()), prototype, init.owner->m_speciesGetterSetter.get()); prototype->putDirectWithoutTransition(init.vm, init.vm.propertyNames->constructor, constructor, DontEnum); init.set(constructor); }); #define INIT_TYPED_ARRAY_LATER(type) \ m_typedArray ## type.initLater( \ [] (LazyClassStructure::Initializer& init) { \ init.setPrototype(JS ## type ## ArrayPrototype::create(init.vm, init.global, JS ## type ## ArrayPrototype::createStructure(init.vm, init.global, init.global->m_typedArrayProto.get(init.global)))); \ init.setStructure(JS ## type ## Array::createStructure(init.vm, init.global, init.prototype)); \ init.setConstructor(JS ## type ## ArrayConstructor::create(init.vm, init.global, JS ## type ## ArrayConstructor::createStructure(init.vm, init.global, init.global->m_typedArraySuperConstructor.get(init.global)), init.prototype, ASCIILiteral(#type "Array"), typedArrayConstructorAllocate ## type ## ArrayCodeGenerator(init.vm))); \ init.global->putDirectWithoutTransition(init.vm, init.vm.propertyNames->builtinNames().type ## ArrayPrivateName(), init.constructor, DontEnum); \ }); FOR_EACH_TYPED_ARRAY_TYPE_EXCLUDING_DATA_VIEW(INIT_TYPED_ARRAY_LATER) #undef INIT_TYPED_ARRAY_LATER m_typedArrayDataView.initLater( [] (LazyClassStructure::Initializer& init) { init.setPrototype(JSDataViewPrototype::create(init.vm, JSDataViewPrototype::createStructure(init.vm, init.global, init.global->m_objectPrototype.get()))); init.setStructure(JSDataView::createStructure(init.vm, init.global, init.prototype)); init.setConstructor(JSDataViewConstructor::create(init.vm, init.global, JSDataViewConstructor::createStructure(init.vm, init.global, init.global->m_functionPrototype.get()), init.prototype, ASCIILiteral("DataView"), nullptr)); }); m_lexicalEnvironmentStructure.set(vm, this, JSLexicalEnvironment::createStructure(vm, this)); m_moduleEnvironmentStructure.initLater( [] (const Initializer& init) { init.set(JSModuleEnvironment::createStructure(init.vm, init.owner)); }); m_strictEvalActivationStructure.set(vm, this, StrictEvalActivation::createStructure(vm, this, jsNull())); m_debuggerScopeStructure.initLater( [] (const Initializer& init) { init.set(DebuggerScope::createStructure(init.vm, init.owner)); }); m_withScopeStructure.initLater( [] (const Initializer& init) { init.set(JSWithScope::createStructure(init.vm, init.owner, jsNull())); }); m_nullPrototypeObjectStructure.initLater( [] (const Initializer& init) { init.set(JSFinalObject::createStructure(init.vm, init.owner, jsNull(), JSFinalObject::defaultInlineCapacity())); }); m_callbackFunctionStructure.initLater( [] (const Initializer& init) { init.set(JSCallbackFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); }); m_directArgumentsStructure.set(vm, this, DirectArguments::createStructure(vm, this, m_objectPrototype.get())); m_scopedArgumentsStructure.set(vm, this, ScopedArguments::createStructure(vm, this, m_objectPrototype.get())); m_clonedArgumentsStructure.set(vm, this, ClonedArguments::createStructure(vm, this, m_objectPrototype.get())); m_callbackConstructorStructure.initLater( [] (const Initializer& init) { init.set(JSCallbackConstructor::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get())); }); m_callbackObjectStructure.initLater( [] (const Initializer& init) { init.set(JSCallbackObject::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get())); }); #if JSC_OBJC_API_ENABLED m_objcCallbackFunctionStructure.initLater( [] (const Initializer& init) { init.set(ObjCCallbackFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); }); m_objcWrapperObjectStructure.initLater( [] (const Initializer& init) { init.set(JSCallbackObject::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get())); }); #endif m_arrayPrototype.set(vm, this, ArrayPrototype::create(vm, this, ArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); m_originalArrayStructureForIndexingShape[UndecidedShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithUndecided)); m_originalArrayStructureForIndexingShape[Int32Shape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithInt32)); m_originalArrayStructureForIndexingShape[DoubleShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithDouble)); m_originalArrayStructureForIndexingShape[ContiguousShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithContiguous)); m_originalArrayStructureForIndexingShape[ArrayStorageShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithArrayStorage)); m_originalArrayStructureForIndexingShape[SlowPutArrayStorageShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithSlowPutArrayStorage)); for (unsigned i = 0; i < NumberOfIndexingShapes; ++i) m_arrayStructureForIndexingShapeDuringAllocation[i] = m_originalArrayStructureForIndexingShape[i]; m_regExpPrototype.set(vm, this, RegExpPrototype::create(vm, this, RegExpPrototype::createStructure(vm, this, m_objectPrototype.get()))); m_regExpStructure.set(vm, this, RegExpObject::createStructure(vm, this, m_regExpPrototype.get())); m_regExpMatchesArrayStructure.set(vm, this, createRegExpMatchesArrayStructure(vm, this)); m_moduleRecordStructure.set(vm, this, JSModuleRecord::createStructure(vm, this, m_objectPrototype.get())); m_moduleNamespaceObjectStructure.set(vm, this, JSModuleNamespaceObject::createStructure(vm, this, jsNull())); { bool isCallable = false; m_proxyObjectStructure.set(vm, this, ProxyObject::createStructure(vm, this, jsNull(), isCallable)); isCallable = true; m_callableProxyObjectStructure.set(vm, this, ProxyObject::createStructure(vm, this, jsNull(), isCallable)); } m_proxyRevokeStructure.set(vm, this, ProxyRevoke::createStructure(vm, this, m_functionPrototype.get())); m_parseIntFunction.set(vm, this, JSFunction::create(vm, this, 2, vm.propertyNames->parseInt.string(), globalFuncParseInt, ParseIntIntrinsic)); putDirectWithoutTransition(vm, vm.propertyNames->parseInt, m_parseIntFunction.get(), DontEnum); m_arrayBufferPrototype.set(vm, this, JSArrayBufferPrototype::create(vm, this, JSArrayBufferPrototype::createStructure(vm, this, m_objectPrototype.get()), ArrayBufferSharingMode::Default)); m_arrayBufferStructure.set(vm, this, JSArrayBuffer::createStructure(vm, this, m_arrayBufferPrototype.get())); m_sharedArrayBufferPrototype.set(vm, this, JSArrayBufferPrototype::create(vm, this, JSArrayBufferPrototype::createStructure(vm, this, m_objectPrototype.get()), ArrayBufferSharingMode::Shared)); m_sharedArrayBufferStructure.set(vm, this, JSArrayBuffer::createStructure(vm, this, m_sharedArrayBufferPrototype.get())); #define CREATE_PROTOTYPE_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \ m_ ## lowerName ## Prototype.set(vm, this, capitalName##Prototype::create(vm, this, capitalName##Prototype::createStructure(vm, this, m_ ## prototypeBase ## Prototype.get()))); \ m_ ## properName ## Structure.set(vm, this, instanceType::createStructure(vm, this, m_ ## lowerName ## Prototype.get())); FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_SIMPLE_TYPE) #undef CREATE_PROTOTYPE_FOR_SIMPLE_TYPE #define CREATE_PROTOTYPE_FOR_LAZY_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \ m_ ## properName ## Structure.initLater(\ [] (LazyClassStructure::Initializer& init) { \ init.setPrototype(capitalName##Prototype::create(init.vm, init.global, capitalName##Prototype::createStructure(init.vm, init.global, init.global->m_ ## prototypeBase ## Prototype.get()))); \ init.setStructure(instanceType::createStructure(init.vm, init.global, init.prototype)); \ init.setConstructor(capitalName ## Constructor::create(init.vm, capitalName ## Constructor::createStructure(init.vm, init.global, init.global->m_functionPrototype.get()), jsCast(init.prototype), init.global->m_speciesGetterSetter.get())); \ }); FOR_EACH_LAZY_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_LAZY_TYPE) #undef CREATE_PROTOTYPE_FOR_LAZY_TYPE m_iteratorPrototype.set(vm, this, IteratorPrototype::create(vm, this, IteratorPrototype::createStructure(vm, this, m_objectPrototype.get()))); #define CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \ m_ ## lowerName ## Structure.initLater( \ [] (const Initializer& init) { \ JSObject* prototype = capitalName ## Prototype::create(init.vm, init.owner, capitalName ## Prototype::createStructure(init.vm, init.owner, init.owner->m_iteratorPrototype.get())); \ init.set(instanceType::createStructure(init.vm, init.owner, prototype)); \ }); FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE) #undef CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE m_propertyNameIteratorStructure.set(vm, this, JSPropertyNameIterator::createStructure(vm, this, m_iteratorPrototype.get())); m_generatorPrototype.set(vm, this, GeneratorPrototype::create(vm, this, GeneratorPrototype::createStructure(vm, this, m_iteratorPrototype.get()))); m_moduleLoaderPrototype.set(vm, this, ModuleLoaderPrototype::create(vm, this, ModuleLoaderPrototype::createStructure(vm, this, m_objectPrototype.get()))); // Constructors ObjectConstructor* objectConstructor = ObjectConstructor::create(vm, this, ObjectConstructor::createStructure(vm, this, m_functionPrototype.get()), m_objectPrototype.get()); m_objectConstructor.set(vm, this, objectConstructor); JSFunction* throwTypeErrorFunction = JSFunction::create(vm, this, 0, String(), globalFuncThrowTypeError); m_throwTypeErrorFunction.set(vm, this, throwTypeErrorFunction); JSCell* functionConstructor = FunctionConstructor::create(vm, FunctionConstructor::createStructure(vm, this, m_functionPrototype.get()), m_functionPrototype.get()); ArrayConstructor* arrayConstructor = ArrayConstructor::create(vm, this, ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_arrayPrototype.get(), m_speciesGetterSetter.get()); m_arrayConstructor.set(vm, this, arrayConstructor); m_regExpConstructor.set(vm, this, RegExpConstructor::create(vm, RegExpConstructor::createStructure(vm, this, m_functionPrototype.get()), m_regExpPrototype.get(), m_speciesGetterSetter.get())); JSArrayBufferConstructor* arrayBufferConstructor = JSArrayBufferConstructor::create(vm, JSArrayBufferConstructor::createStructure(vm, this, m_functionPrototype.get()), m_arrayBufferPrototype.get(), m_speciesGetterSetter.get(), ArrayBufferSharingMode::Default); m_arrayBufferPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, arrayBufferConstructor, DontEnum); JSArrayBufferConstructor* sharedArrayBufferConstructor = nullptr; sharedArrayBufferConstructor = JSArrayBufferConstructor::create(vm, JSArrayBufferConstructor::createStructure(vm, this, m_functionPrototype.get()), m_sharedArrayBufferPrototype.get(), m_speciesGetterSetter.get(), ArrayBufferSharingMode::Shared); m_sharedArrayBufferPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, sharedArrayBufferConstructor, DontEnum); #define CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \ capitalName ## Constructor* lowerName ## Constructor = capitalName ## Constructor::create(vm, capitalName ## Constructor::createStructure(vm, this, m_functionPrototype.get()), m_ ## lowerName ## Prototype.get(), m_speciesGetterSetter.get()); \ m_ ## lowerName ## Prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, lowerName ## Constructor, DontEnum); \ FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE) #undef CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE m_errorConstructor.set(vm, this, errorConstructor); m_promiseConstructor.set(vm, this, promiseConstructor); m_internalPromiseConstructor.set(vm, this, internalPromiseConstructor); m_nativeErrorPrototypeStructure.set(vm, this, NativeErrorPrototype::createStructure(vm, this, m_errorPrototype.get())); m_nativeErrorStructure.set(vm, this, NativeErrorConstructor::createStructure(vm, this, m_functionPrototype.get())); m_evalErrorConstructor.initLater( [] (const Initializer& init) { init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("EvalError"))); }); m_rangeErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, m_nativeErrorStructure.get(), m_nativeErrorPrototypeStructure.get(), ASCIILiteral("RangeError"))); m_referenceErrorConstructor.initLater( [] (const Initializer& init) { init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("ReferenceError"))); }); m_syntaxErrorConstructor.initLater( [] (const Initializer& init) { init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("SyntaxError"))); }); m_typeErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, m_nativeErrorStructure.get(), m_nativeErrorPrototypeStructure.get(), ASCIILiteral("TypeError"))); m_URIErrorConstructor.initLater( [] (const Initializer& init) { init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("URIError"))); }); m_generatorFunctionPrototype.set(vm, this, GeneratorFunctionPrototype::create(vm, GeneratorFunctionPrototype::createStructure(vm, this, m_functionPrototype.get()))); GeneratorFunctionConstructor* generatorFunctionConstructor = GeneratorFunctionConstructor::create(vm, GeneratorFunctionConstructor::createStructure(vm, this, functionConstructor), m_generatorFunctionPrototype.get()); m_generatorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, generatorFunctionConstructor, DontEnum | ReadOnly); m_generatorFunctionStructure.set(vm, this, JSGeneratorFunction::createStructure(vm, this, m_generatorFunctionPrototype.get())); m_generatorPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_generatorFunctionPrototype.get(), DontEnum | ReadOnly); m_generatorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->prototype, m_generatorPrototype.get(), DontEnum | ReadOnly); m_asyncFunctionPrototype.set(vm, this, AsyncFunctionPrototype::create(vm, AsyncFunctionPrototype::createStructure(vm, this, m_functionPrototype.get()))); AsyncFunctionConstructor* asyncFunctionConstructor = AsyncFunctionConstructor::create(vm, AsyncFunctionConstructor::createStructure(vm, this, functionConstructor), m_asyncFunctionPrototype.get()); m_asyncFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, asyncFunctionConstructor, DontEnum | ReadOnly); m_asyncFunctionStructure.set(vm, this, JSAsyncFunction::createStructure(vm, this, m_asyncFunctionPrototype.get())); m_objectPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, objectConstructor, DontEnum); m_functionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, functionConstructor, DontEnum); m_arrayPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, arrayConstructor, DontEnum); m_regExpPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_regExpConstructor.get(), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Object, objectConstructor, DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Function, functionConstructor, DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Array, arrayConstructor, DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->RegExp, m_regExpConstructor.get(), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->RangeError, m_rangeErrorConstructor.get(), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->TypeError, m_typeErrorConstructor.get(), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->builtinNames().ObjectPrivateName(), objectConstructor, DontEnum | DontDelete | ReadOnly); putDirectWithoutTransition(vm, vm.propertyNames->builtinNames().ArrayPrivateName(), arrayConstructor, DontEnum | DontDelete | ReadOnly); putDirectWithoutTransition(vm, vm.propertyNames->ArrayBuffer, arrayBufferConstructor, DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->SharedArrayBuffer, sharedArrayBufferConstructor, DontEnum); #define PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \ putDirectWithoutTransition(vm, vm.propertyNames-> jsName, lowerName ## Constructor, DontEnum); \ FOR_EACH_SIMPLE_BUILTIN_TYPE_WITH_CONSTRUCTOR(PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE) #undef PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE m_iteratorResultObjectStructure.set(vm, this, createIteratorResultObjectStructure(vm, *this)); m_evalFunction.set(vm, this, JSFunction::create(vm, this, 1, vm.propertyNames->eval.string(), globalFuncEval)); putDirectWithoutTransition(vm, vm.propertyNames->eval, m_evalFunction.get(), DontEnum); #if ENABLE(INTL) IntlObject* intl = IntlObject::create(vm, this, IntlObject::createStructure(vm, this, m_objectPrototype.get())); putDirectWithoutTransition(vm, vm.propertyNames->Intl, intl, DontEnum); #endif // ENABLE(INTL) ReflectObject* reflectObject = ReflectObject::create(vm, this, ReflectObject::createStructure(vm, this, m_objectPrototype.get())); putDirectWithoutTransition(vm, vm.propertyNames->Reflect, reflectObject, DontEnum); m_moduleLoaderStructure.set(vm, this, JSModuleLoader::createStructure(vm, this, m_moduleLoaderPrototype.get())); m_moduleLoader.set(vm, this, JSModuleLoader::create(globalExec(), vm, this, m_moduleLoaderStructure.get())); if (Options::exposeInternalModuleLoader()) putDirectWithoutTransition(vm, vm.propertyNames->Loader, m_moduleLoader.get(), DontEnum); JSFunction* builtinLog = JSFunction::create(vm, this, 1, vm.propertyNames->emptyIdentifier.string(), globalFuncBuiltinLog); JSFunction* privateFuncAbs = JSFunction::create(vm, this, 0, String(), mathProtoFuncAbs, AbsIntrinsic); JSFunction* privateFuncFloor = JSFunction::create(vm, this, 0, String(), mathProtoFuncFloor, FloorIntrinsic); JSFunction* privateFuncTrunc = JSFunction::create(vm, this, 0, String(), mathProtoFuncTrunc, TruncIntrinsic); JSFunction* privateFuncGetTemplateObject = JSFunction::create(vm, this, 0, String(), getTemplateObject); JSFunction* privateFuncImportModule = JSFunction::create(vm, this, 0, String(), globalFuncImportModule); JSFunction* privateFuncTypedArrayLength = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncLength); JSFunction* privateFuncTypedArrayGetOriginalConstructor = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncGetOriginalConstructor); JSFunction* privateFuncTypedArraySort = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncSort); JSFunction* privateFuncIsTypedArrayView = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncIsTypedArrayView, IsTypedArrayViewIntrinsic); JSFunction* privateFuncTypedArraySubarrayCreate = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncSubarrayCreate); JSFunction* privateFuncIsBoundFunction = JSFunction::create(vm, this, 0, String(), isBoundFunction); JSFunction* privateFuncHasInstanceBoundFunction = JSFunction::create(vm, this, 0, String(), hasInstanceBoundFunction); JSFunction* privateFuncInstanceOf = JSFunction::create(vm, this, 0, String(), objectPrivateFuncInstanceOf); JSFunction* privateFuncThisTimeValue = JSFunction::create(vm, this, 0, String(), dateProtoFuncGetTime); JSFunction* privateFuncThisNumberValue = JSFunction::create(vm, this, 0, String(), numberProtoFuncValueOf); JSFunction* privateFuncIsArrayConstructor = JSFunction::create(vm, this, 0, String(), arrayConstructorPrivateFuncIsArrayConstructor); JSFunction* privateFuncIsArraySlow = JSFunction::create(vm, this, 0, String(), arrayConstructorPrivateFuncIsArraySlow); JSFunction* privateFuncConcatMemcpy = JSFunction::create(vm, this, 0, String(), arrayProtoPrivateFuncConcatMemcpy); JSFunction* privateFuncAppendMemcpy = JSFunction::create(vm, this, 0, String(), arrayProtoPrivateFuncAppendMemcpy); JSFunction* privateFuncConcatSlowPath = JSFunction::createBuiltinFunction(vm, arrayPrototypeConcatSlowPathCodeGenerator(vm), this); JSObject* regExpProtoFlagsGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->flags); ASSERT_UNUSED(catchScope, !catchScope.exception()); JSObject* regExpProtoGlobalGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->global); ASSERT(!catchScope.exception()); m_regExpProtoGlobalGetter.set(vm, this, regExpProtoGlobalGetterObject); JSObject* regExpProtoIgnoreCaseGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->ignoreCase); ASSERT(!catchScope.exception()); JSObject* regExpProtoMultilineGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->multiline); ASSERT(!catchScope.exception()); JSObject* regExpProtoSourceGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->source); ASSERT(!catchScope.exception()); JSObject* regExpProtoStickyGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->sticky); ASSERT(!catchScope.exception()); JSObject* regExpProtoUnicodeGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->unicode); ASSERT(!catchScope.exception()); m_regExpProtoUnicodeGetter.set(vm, this, regExpProtoUnicodeGetterObject); JSObject* builtinRegExpExec = asObject(m_regExpPrototype->getDirect(vm, vm.propertyNames->exec).asCell()); m_regExpProtoExec.set(vm, this, builtinRegExpExec); JSObject* regExpSymbolReplace = asObject(m_regExpPrototype->getDirect(vm, vm.propertyNames->replaceSymbol).asCell()); m_regExpProtoSymbolReplace.set(vm, this, regExpSymbolReplace); #define CREATE_PRIVATE_GLOBAL_FUNCTION(name, code) JSFunction* name ## PrivateFunction = JSFunction::createBuiltinFunction(vm, code ## CodeGenerator(vm), this); JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(CREATE_PRIVATE_GLOBAL_FUNCTION) #undef CREATE_PRIVATE_GLOBAL_FUNCTION JSObject* arrayIteratorPrototype = ArrayIteratorPrototype::create(vm, this, ArrayIteratorPrototype::createStructure(vm, this, m_iteratorPrototype.get())); createArrayIteratorPrivateFunction->putDirect(vm, vm.propertyNames->prototype, arrayIteratorPrototype); GlobalPropertyInfo staticGlobals[] = { #define INIT_PRIVATE_GLOBAL(name, code) GlobalPropertyInfo(vm.propertyNames->builtinNames().name ## PrivateName(), name ## PrivateFunction, DontEnum | DontDelete | ReadOnly), JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(INIT_PRIVATE_GLOBAL) #undef INIT_PRIVATE_GLOBAL GlobalPropertyInfo(vm.propertyNames->NaN, jsNaN(), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->Infinity, jsNumber(std::numeric_limits::infinity()), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->undefinedKeyword, jsUndefined(), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().ownEnumerablePropertyKeysPrivateName(), JSFunction::create(vm, this, 0, String(), ownEnumerablePropertyKeys), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().getTemplateObjectPrivateName(), privateFuncGetTemplateObject, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().importModulePrivateName(), privateFuncImportModule, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().enqueueJobPrivateName(), JSFunction::create(vm, this, 0, String(), enqueueJob), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().ErrorPrivateName(), m_errorConstructor.get(), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().RangeErrorPrivateName(), m_rangeErrorConstructor.get(), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().TypeErrorPrivateName(), m_typeErrorConstructor.get(), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArrayLengthPrivateName(), privateFuncTypedArrayLength, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArrayGetOriginalConstructorPrivateName(), privateFuncTypedArrayGetOriginalConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArraySortPrivateName(), privateFuncTypedArraySort, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().isTypedArrayViewPrivateName(), privateFuncIsTypedArrayView, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArraySubarrayCreatePrivateName(), privateFuncTypedArraySubarrayCreate, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().isBoundFunctionPrivateName(), privateFuncIsBoundFunction, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().hasInstanceBoundFunctionPrivateName(), privateFuncHasInstanceBoundFunction, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().instanceOfPrivateName(), privateFuncInstanceOf, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().BuiltinLogPrivateName(), builtinLog, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().NumberPrivateName(), numberConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().RegExpPrivateName(), m_regExpConstructor.get(), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().StringPrivateName(), stringConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().absPrivateName(), privateFuncAbs, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().floorPrivateName(), privateFuncFloor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().truncPrivateName(), privateFuncTrunc, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().PromisePrivateName(), promiseConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().ReflectPrivateName(), reflectObject, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().InternalPromisePrivateName(), internalPromiseConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().repeatCharacterPrivateName(), JSFunction::create(vm, this, 2, String(), stringProtoFuncRepeatCharacter), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().SetIteratorPrivateName(), JSFunction::create(vm, this, 1, String(), privateFuncSetIterator), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().setIteratorNextPrivateName(), JSFunction::create(vm, this, 0, String(), privateFuncSetIteratorNext), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().isArrayPrivateName(), arrayConstructor->getDirect(vm, vm.propertyNames->isArray), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().isArraySlowPrivateName(), privateFuncIsArraySlow, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().isArrayConstructorPrivateName(), privateFuncIsArrayConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().concatMemcpyPrivateName(), privateFuncConcatMemcpy, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().appendMemcpyPrivateName(), privateFuncAppendMemcpy, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().concatSlowPathPrivateName(), privateFuncConcatSlowPath, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().MapIteratorPrivateName(), JSFunction::create(vm, this, 1, String(), privateFuncMapIterator), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().mapIteratorNextPrivateName(), JSFunction::create(vm, this, 0, String(), privateFuncMapIteratorNext), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().InspectorInstrumentationPrivateName(), InspectorInstrumentationObject::create(vm, this, InspectorInstrumentationObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().MapPrivateName(), mapConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().thisTimeValuePrivateName(), privateFuncThisTimeValue, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().thisNumberValuePrivateName(), privateFuncThisNumberValue, DontEnum | DontDelete | ReadOnly), #if ENABLE(INTL) GlobalPropertyInfo(vm.propertyNames->builtinNames().CollatorPrivateName(), intl->getDirect(vm, vm.propertyNames->Collator), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().DateTimeFormatPrivateName(), intl->getDirect(vm, vm.propertyNames->DateTimeFormat), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().NumberFormatPrivateName(), intl->getDirect(vm, vm.propertyNames->NumberFormat), DontEnum | DontDelete | ReadOnly), #endif // ENABLE(INTL) GlobalPropertyInfo(vm.propertyNames->builtinNames().isConstructorPrivateName(), JSFunction::create(vm, this, 1, String(), esSpecIsConstructor, NoIntrinsic), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoFlagsGetterPrivateName(), regExpProtoFlagsGetterObject, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoGlobalGetterPrivateName(), regExpProtoGlobalGetterObject, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoIgnoreCaseGetterPrivateName(), regExpProtoIgnoreCaseGetterObject, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoMultilineGetterPrivateName(), regExpProtoMultilineGetterObject, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoSourceGetterPrivateName(), regExpProtoSourceGetterObject, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoStickyGetterPrivateName(), regExpProtoStickyGetterObject, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoUnicodeGetterPrivateName(), regExpProtoUnicodeGetterObject, DontEnum | DontDelete | ReadOnly), // RegExp.prototype helpers. GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpBuiltinExecPrivateName(), builtinRegExpExec, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpCreatePrivateName(), JSFunction::create(vm, this, 2, String(), esSpecRegExpCreate, NoIntrinsic), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpMatchFastPrivateName(), JSFunction::create(vm, this, 1, String(), regExpProtoFuncMatchFast), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpSearchFastPrivateName(), JSFunction::create(vm, this, 1, String(), regExpProtoFuncSearchFast), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpSplitFastPrivateName(), JSFunction::create(vm, this, 2, String(), regExpProtoFuncSplitFast), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpPrototypeSymbolReplacePrivateName(), m_regExpPrototype->getDirect(vm, vm.propertyNames->replaceSymbol), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpTestFastPrivateName(), JSFunction::create(vm, this, 1, String(), regExpProtoFuncTestFast, RegExpTestFastIntrinsic), DontEnum | DontDelete | ReadOnly), // String.prototype helpers. GlobalPropertyInfo(vm.propertyNames->builtinNames().stringIncludesInternalPrivateName(), JSFunction::create(vm, this, 1, String(), builtinStringIncludesInternal), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().stringSplitFastPrivateName(), JSFunction::create(vm, this, 2, String(), stringProtoFuncSplitFast), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().stringSubstrInternalPrivateName(), JSFunction::create(vm, this, 2, String(), builtinStringSubstrInternal), DontEnum | DontDelete | ReadOnly), // Function prototype helpers. GlobalPropertyInfo(vm.propertyNames->builtinNames().makeBoundFunctionPrivateName(), JSFunction::create(vm, this, 5, String(), makeBoundFunction), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().hasOwnLengthPropertyPrivateName(), JSFunction::create(vm, this, 1, String(), hasOwnLengthProperty), DontEnum | DontDelete | ReadOnly), }; addStaticGlobals(staticGlobals, WTF_ARRAY_LENGTH(staticGlobals)); m_specialPointers[Special::CallFunction] = m_callFunction.get(); m_specialPointers[Special::ApplyFunction] = m_applyFunction.get(); m_specialPointers[Special::ObjectConstructor] = objectConstructor; m_specialPointers[Special::ArrayConstructor] = arrayConstructor; m_linkTimeConstants[static_cast(LinkTimeConstant::ThrowTypeErrorFunction)] = m_throwTypeErrorFunction.get(); if (UNLIKELY(Options::useDollarVM())) { JSDollarVMPrototype* dollarVMPrototype = JSDollarVMPrototype::create(vm, this, JSDollarVMPrototype::createStructure(vm, this, m_objectPrototype.get())); m_dollarVMStructure.set(vm, this, JSDollarVM::createStructure(vm, this, dollarVMPrototype)); JSDollarVM* dollarVM = JSDollarVM::create(vm, m_dollarVMStructure.get()); GlobalPropertyInfo extraStaticGlobals[] = { GlobalPropertyInfo(vm.propertyNames->builtinNames().dollarVMPrivateName(), dollarVM, DontEnum | DontDelete | ReadOnly), }; addStaticGlobals(extraStaticGlobals, WTF_ARRAY_LENGTH(extraStaticGlobals)); putDirectWithoutTransition(vm, Identifier::fromString(exec, "$vm"), dollarVM, DontEnum); } #if ENABLE(WEBASSEMBLY) if (Options::useWebAssembly()) { auto* webAssemblyPrototype = WebAssemblyPrototype::create(vm, this, WebAssemblyPrototype::createStructure(vm, this, m_objectPrototype.get())); m_webAssemblyStructure.set(vm, this, JSWebAssembly::createStructure(vm, this, webAssemblyPrototype)); m_webAssemblyModuleRecordStructure.set(vm, this, WebAssemblyModuleRecord::createStructure(vm, this, m_objectPrototype.get())); m_webAssemblyFunctionStructure.set(vm, this, WebAssemblyFunction::createStructure(vm, this, m_objectPrototype.get())); auto* webAssembly = JSWebAssembly::create(vm, this, m_webAssemblyStructure.get()); putDirectWithoutTransition(vm, Identifier::fromString(exec, "WebAssembly"), webAssembly, DontEnum); #define CREATE_WEBASSEMBLY_CONSTRUCTOR(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) do { \ typedef capitalName ## Prototype Prototype; \ typedef capitalName ## Constructor Constructor; \ typedef JS ## capitalName JSObj; \ auto* base = m_ ## prototypeBase ## Prototype.get(); \ auto* prototype = Prototype::create(vm, this, Prototype::createStructure(vm, this, base)); \ auto* structure = JSObj::createStructure(vm, this, prototype); \ auto* constructor = Constructor::create(vm, Constructor::createStructure(vm, this, this->functionPrototype()), prototype); \ prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, constructor, DontEnum); \ m_ ## lowerName ## Prototype.set(vm, this, prototype); \ m_ ## properName ## Structure.set(vm, this, structure); \ webAssembly->putDirectWithoutTransition(vm, Identifier::fromString(this->globalExec(), #jsName), constructor, DontEnum); \ } while (0); FOR_EACH_WEBASSEMBLY_CONSTRUCTOR_TYPE(CREATE_WEBASSEMBLY_CONSTRUCTOR) #undef CREATE_WEBASSEMBLY_CONSTRUCTOR } #endif // ENABLE(WEBASSEMBLY) { ExecState* exec = globalExec(); auto setupAdaptiveWatchpoint = [&] (JSObject* base, const Identifier& ident) -> ObjectPropertyCondition { // Performing these gets should not throw. PropertySlot slot(base, PropertySlot::InternalMethodType::Get); bool result = base->getOwnPropertySlot(base, exec, ident, slot); ASSERT_UNUSED(result, result); ASSERT(!catchScope.exception()); RELEASE_ASSERT(slot.isCacheableValue()); JSValue functionValue = slot.getValue(exec, ident); ASSERT(!catchScope.exception()); ASSERT(jsDynamicCast(vm, functionValue)); ObjectPropertyCondition condition = generateConditionForSelfEquivalence(m_vm, nullptr, base, ident.impl()); RELEASE_ASSERT(condition.requiredValue() == functionValue); bool isWatchable = condition.isWatchable(PropertyCondition::EnsureWatchability); RELEASE_ASSERT(isWatchable); // We allow this to install the necessary watchpoints. return condition; }; { ObjectPropertyCondition condition = setupAdaptiveWatchpoint(arrayIteratorPrototype, m_vm.propertyNames->next); m_arrayIteratorPrototypeNext = std::make_unique(condition, this); m_arrayIteratorPrototypeNext->install(); } { ArrayPrototype* arrayPrototype = this->arrayPrototype(); ObjectPropertyCondition condition = setupAdaptiveWatchpoint(arrayPrototype, m_vm.propertyNames->iteratorSymbol); m_arrayPrototypeSymbolIteratorWatchpoint = std::make_unique(condition, this); m_arrayPrototypeSymbolIteratorWatchpoint->install(); } } resetPrototype(vm, getPrototypeDirect()); } bool JSGlobalObject::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot) { VM& vm = exec->vm(); auto scope = DECLARE_THROW_SCOPE(vm); JSGlobalObject* thisObject = jsCast(cell); ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject)); if (UNLIKELY(isThisValueAltered(slot, thisObject))) { scope.release(); return ordinarySetSlow(exec, thisObject, propertyName, value, slot.thisValue(), slot.isStrictMode()); } bool shouldThrowReadOnlyError = slot.isStrictMode(); bool ignoreReadOnlyErrors = false; bool putResult = false; bool done = symbolTablePutTouchWatchpointSet(thisObject, exec, propertyName, value, shouldThrowReadOnlyError, ignoreReadOnlyErrors, putResult); ASSERT((!!scope.exception() == (done && !putResult)) || !shouldThrowReadOnlyError); if (done) return putResult; scope.release(); return Base::put(thisObject, exec, propertyName, value, slot); } bool JSGlobalObject::defineOwnProperty(JSObject* object, ExecState* exec, PropertyName propertyName, const PropertyDescriptor& descriptor, bool shouldThrow) { JSGlobalObject* thisObject = jsCast(object); PropertySlot slot(thisObject, PropertySlot::InternalMethodType::VMInquiry); // silently ignore attempts to add accessors aliasing vars. if (descriptor.isAccessorDescriptor() && symbolTableGet(thisObject, propertyName, slot)) return false; return Base::defineOwnProperty(thisObject, exec, propertyName, descriptor, shouldThrow); } void JSGlobalObject::addGlobalVar(const Identifier& ident) { ConcurrentJSLocker locker(symbolTable()->m_lock); SymbolTableEntry entry = symbolTable()->get(locker, ident.impl()); if (!entry.isNull()) return; ScopeOffset offset = symbolTable()->takeNextScopeOffset(locker); SymbolTableEntry newEntry(VarOffset(offset), 0); newEntry.prepareToWatch(); symbolTable()->add(locker, ident.impl(), WTFMove(newEntry)); ScopeOffset offsetForAssert = addVariables(1, jsUndefined()); RELEASE_ASSERT(offsetForAssert == offset); } void JSGlobalObject::addFunction(ExecState* exec, const Identifier& propertyName) { VM& vm = exec->vm(); VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable); methodTable(vm)->deleteProperty(this, exec, propertyName); addGlobalVar(propertyName); } void JSGlobalObject::setGlobalScopeExtension(JSScope* scope) { m_globalScopeExtension.set(vm(), this, scope); } void JSGlobalObject::clearGlobalScopeExtension() { m_globalScopeExtension.clear(); } static inline JSObject* lastInPrototypeChain(JSObject* object) { JSObject* o = object; while (o->getPrototypeDirect().isObject()) o = asObject(o->getPrototypeDirect()); return o; } // Private namespace for helpers for JSGlobalObject::haveABadTime() namespace { class ObjectsWithBrokenIndexingFinder : public MarkedBlock::VoidFunctor { public: ObjectsWithBrokenIndexingFinder(MarkedArgumentBuffer&, JSGlobalObject*); IterationStatus operator()(HeapCell*, HeapCell::Kind) const; private: void visit(JSCell*); MarkedArgumentBuffer& m_foundObjects; JSGlobalObject* m_globalObject; }; ObjectsWithBrokenIndexingFinder::ObjectsWithBrokenIndexingFinder( MarkedArgumentBuffer& foundObjects, JSGlobalObject* globalObject) : m_foundObjects(foundObjects) , m_globalObject(globalObject) { } inline bool hasBrokenIndexing(JSObject* object) { // This will change if we have more indexing types. IndexingType type = object->indexingType(); // This could be made obviously more efficient, but isn't made so right now, because // we expect this to be an unlikely slow path anyway. return hasUndecided(type) || hasInt32(type) || hasDouble(type) || hasContiguous(type) || hasArrayStorage(type); } inline void ObjectsWithBrokenIndexingFinder::visit(JSCell* cell) { if (!cell->isObject()) return; JSObject* object = asObject(cell); // Run this filter first, since it's cheap, and ought to filter out a lot of objects. if (!hasBrokenIndexing(object)) return; // We only want to have a bad time in the affected global object, not in the entire // VM. But we have to be careful, since there may be objects that claim to belong to // a different global object that have prototypes from our global object. bool foundGlobalObject = false; for (JSObject* current = object; ;) { if (current->globalObject() == m_globalObject) { foundGlobalObject = true; break; } JSValue prototypeValue = current->getPrototypeDirect(); if (prototypeValue.isNull()) break; current = asObject(prototypeValue); } if (!foundGlobalObject) return; m_foundObjects.append(object); } IterationStatus ObjectsWithBrokenIndexingFinder::operator()(HeapCell* cell, HeapCell::Kind kind) const { if (kind == HeapCell::JSCell) { // FIXME: This const_cast exists because this isn't a C++ lambda. // https://bugs.webkit.org/show_bug.cgi?id=159644 const_cast(this)->visit(static_cast(cell)); } return IterationStatus::Continue; } } // end private namespace for helpers for JSGlobalObject::haveABadTime() void JSGlobalObject::haveABadTime(VM& vm) { ASSERT(&vm == &this->vm()); if (isHavingABadTime()) return; // Make sure that all allocations or indexed storage transitions that are inlining // the assumption that it's safe to transition to a non-SlowPut array storage don't // do so anymore. m_havingABadTimeWatchpoint->fireAll(vm, "Having a bad time"); ASSERT(isHavingABadTime()); // The watchpoint is what tells us that we're having a bad time. // Make sure that all JSArray allocations that load the appropriate structure from // this object now load a structure that uses SlowPut. for (unsigned i = 0; i < NumberOfIndexingShapes; ++i) m_arrayStructureForIndexingShapeDuringAllocation[i].set(vm, this, originalArrayStructureForIndexingType(ArrayWithSlowPutArrayStorage)); // Same for any special array structures. Structure* slowPutStructure; slowPutStructure = createRegExpMatchesArraySlowPutStructure(vm, this); m_regExpMatchesArrayStructure.set(vm, this, slowPutStructure); slowPutStructure = ClonedArguments::createSlowPutStructure(vm, this, m_objectPrototype.get()); m_clonedArgumentsStructure.set(vm, this, slowPutStructure); // Make sure that all objects that have indexed storage switch to the slow kind of // indexed storage. MarkedArgumentBuffer foundObjects; // Use MarkedArgumentBuffer because switchToSlowPutArrayStorage() may GC. ObjectsWithBrokenIndexingFinder finder(foundObjects, this); { HeapIterationScope iterationScope(vm.heap); vm.heap.objectSpace().forEachLiveCell(iterationScope, finder); } while (!foundObjects.isEmpty()) { JSObject* object = asObject(foundObjects.last()); foundObjects.removeLast(); ASSERT(hasBrokenIndexing(object)); object->switchToSlowPutArrayStorage(vm); } } // Set prototype, and also insert the object prototype at the end of the chain. void JSGlobalObject::resetPrototype(VM& vm, JSValue prototype) { setPrototypeDirect(vm, prototype); JSObject* oldLastInPrototypeChain = lastInPrototypeChain(this); JSObject* objectPrototype = m_objectPrototype.get(); if (oldLastInPrototypeChain != objectPrototype) oldLastInPrototypeChain->setPrototypeDirect(vm, objectPrototype); // Whenever we change the prototype of the global object, we need to create a new JSProxy with the correct prototype. setGlobalThis(vm, JSProxy::create(vm, JSProxy::createStructure(vm, this, prototype, PureForwardingProxyType), this)); } void JSGlobalObject::visitChildren(JSCell* cell, SlotVisitor& visitor) { JSGlobalObject* thisObject = jsCast(cell); ASSERT_GC_OBJECT_INHERITS(thisObject, info()); Base::visitChildren(thisObject, visitor); visitor.append(thisObject->m_globalThis); visitor.append(thisObject->m_globalLexicalEnvironment); visitor.append(thisObject->m_globalScopeExtension); visitor.append(thisObject->m_globalCallee); visitor.append(thisObject->m_regExpConstructor); visitor.append(thisObject->m_errorConstructor); visitor.append(thisObject->m_nativeErrorPrototypeStructure); visitor.append(thisObject->m_nativeErrorStructure); thisObject->m_evalErrorConstructor.visit(visitor); visitor.append(thisObject->m_rangeErrorConstructor); thisObject->m_referenceErrorConstructor.visit(visitor); thisObject->m_syntaxErrorConstructor.visit(visitor); visitor.append(thisObject->m_typeErrorConstructor); thisObject->m_URIErrorConstructor.visit(visitor); visitor.append(thisObject->m_objectConstructor); visitor.append(thisObject->m_promiseConstructor); visitor.append(thisObject->m_nullGetterFunction); visitor.append(thisObject->m_nullSetterFunction); visitor.append(thisObject->m_parseIntFunction); visitor.append(thisObject->m_evalFunction); visitor.append(thisObject->m_callFunction); visitor.append(thisObject->m_applyFunction); visitor.append(thisObject->m_throwTypeErrorFunction); thisObject->m_arrayProtoToStringFunction.visit(visitor); thisObject->m_arrayProtoValuesFunction.visit(visitor); thisObject->m_initializePromiseFunction.visit(visitor); thisObject->m_iteratorProtocolFunction.visit(visitor); visitor.append(thisObject->m_objectProtoValueOfFunction); visitor.append(thisObject->m_newPromiseCapabilityFunction); visitor.append(thisObject->m_functionProtoHasInstanceSymbolFunction); thisObject->m_throwTypeErrorGetterSetter.visit(visitor); visitor.append(thisObject->m_throwTypeErrorArgumentsCalleeAndCallerGetterSetter); visitor.append(thisObject->m_moduleLoader); visitor.append(thisObject->m_objectPrototype); visitor.append(thisObject->m_functionPrototype); visitor.append(thisObject->m_arrayPrototype); visitor.append(thisObject->m_errorPrototype); visitor.append(thisObject->m_iteratorPrototype); visitor.append(thisObject->m_generatorFunctionPrototype); visitor.append(thisObject->m_generatorPrototype); visitor.append(thisObject->m_asyncFunctionPrototype); visitor.append(thisObject->m_moduleLoaderPrototype); thisObject->m_debuggerScopeStructure.visit(visitor); thisObject->m_withScopeStructure.visit(visitor); visitor.append(thisObject->m_strictEvalActivationStructure); visitor.append(thisObject->m_lexicalEnvironmentStructure); thisObject->m_moduleEnvironmentStructure.visit(visitor); visitor.append(thisObject->m_directArgumentsStructure); visitor.append(thisObject->m_scopedArgumentsStructure); visitor.append(thisObject->m_clonedArgumentsStructure); visitor.append(thisObject->m_objectStructureForObjectConstructor); for (unsigned i = 0; i < NumberOfIndexingShapes; ++i) visitor.append(thisObject->m_originalArrayStructureForIndexingShape[i]); for (unsigned i = 0; i < NumberOfIndexingShapes; ++i) visitor.append(thisObject->m_arrayStructureForIndexingShapeDuringAllocation[i]); thisObject->m_callbackConstructorStructure.visit(visitor); thisObject->m_callbackFunctionStructure.visit(visitor); thisObject->m_callbackObjectStructure.visit(visitor); visitor.append(thisObject->m_propertyNameIteratorStructure); #if JSC_OBJC_API_ENABLED thisObject->m_objcCallbackFunctionStructure.visit(visitor); thisObject->m_objcWrapperObjectStructure.visit(visitor); #endif thisObject->m_nullPrototypeObjectStructure.visit(visitor); visitor.append(thisObject->m_errorStructure); visitor.append(thisObject->m_calleeStructure); visitor.append(thisObject->m_functionStructure); thisObject->m_customGetterSetterFunctionStructure.visit(visitor); thisObject->m_boundFunctionStructure.visit(visitor); visitor.append(thisObject->m_getterSetterStructure); thisObject->m_nativeStdFunctionStructure.visit(visitor); thisObject->m_namedFunctionStructure.visit(visitor); visitor.append(thisObject->m_symbolObjectStructure); visitor.append(thisObject->m_regExpStructure); visitor.append(thisObject->m_generatorFunctionStructure); visitor.append(thisObject->m_asyncFunctionStructure); visitor.append(thisObject->m_iteratorResultObjectStructure); visitor.append(thisObject->m_regExpMatchesArrayStructure); visitor.append(thisObject->m_moduleRecordStructure); visitor.append(thisObject->m_moduleNamespaceObjectStructure); visitor.append(thisObject->m_dollarVMStructure); visitor.append(thisObject->m_proxyObjectStructure); visitor.append(thisObject->m_callableProxyObjectStructure); visitor.append(thisObject->m_proxyRevokeStructure); visitor.append(thisObject->m_moduleLoaderStructure); visitor.append(thisObject->m_arrayBufferPrototype); visitor.append(thisObject->m_arrayBufferStructure); visitor.append(thisObject->m_sharedArrayBufferPrototype); visitor.append(thisObject->m_sharedArrayBufferStructure); #define VISIT_SIMPLE_TYPE(CapitalName, lowerName, properName, instanceType, jsName, prototypeBase) \ visitor.append(thisObject->m_ ## lowerName ## Prototype); \ visitor.append(thisObject->m_ ## properName ## Structure); \ FOR_EACH_SIMPLE_BUILTIN_TYPE(VISIT_SIMPLE_TYPE) #if ENABLE(WEBASSEMBLY) visitor.append(thisObject->m_webAssemblyStructure); visitor.append(thisObject->m_webAssemblyModuleRecordStructure); visitor.append(thisObject->m_webAssemblyFunctionStructure); FOR_EACH_WEBASSEMBLY_CONSTRUCTOR_TYPE(VISIT_SIMPLE_TYPE) #endif // ENABLE(WEBASSEMBLY) #undef VISIT_SIMPLE_TYPE #define VISIT_LAZY_TYPE(CapitalName, lowerName, properName, instanceType, jsName, prototypeBase) \ thisObject->m_ ## properName ## Structure.visit(visitor); FOR_EACH_LAZY_BUILTIN_TYPE(VISIT_LAZY_TYPE) FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(VISIT_LAZY_TYPE) #undef VISIT_LAZY_TYPE for (unsigned i = NUMBER_OF_TYPED_ARRAY_TYPES; i--;) thisObject->lazyTypedArrayStructure(indexToTypedArrayType(i)).visit(visitor); visitor.append(thisObject->m_speciesGetterSetter); thisObject->m_typedArrayProto.visit(visitor); thisObject->m_typedArraySuperConstructor.visit(visitor); } JSValue JSGlobalObject::toThis(JSCell*, ExecState* exec, ECMAMode ecmaMode) { if (ecmaMode == StrictMode) return jsUndefined(); return exec->globalThisValue(); } ExecState* JSGlobalObject::globalExec() { return CallFrame::create(m_globalCallFrame); } void JSGlobalObject::addStaticGlobals(GlobalPropertyInfo* globals, int count) { ScopeOffset startOffset = addVariables(count, jsUndefined()); for (int i = 0; i < count; ++i) { GlobalPropertyInfo& global = globals[i]; ASSERT(global.attributes & DontDelete); WatchpointSet* watchpointSet = nullptr; WriteBarrierBase* variable = nullptr; { ConcurrentJSLocker locker(symbolTable()->m_lock); ScopeOffset offset = symbolTable()->takeNextScopeOffset(locker); RELEASE_ASSERT(offset == startOffset + i); SymbolTableEntry newEntry(VarOffset(offset), global.attributes); newEntry.prepareToWatch(); watchpointSet = newEntry.watchpointSet(); symbolTable()->add(locker, global.identifier.impl(), WTFMove(newEntry)); variable = &variableAt(offset); } symbolTablePutTouchWatchpointSet(vm(), this, global.identifier, global.value, variable, watchpointSet); } } bool JSGlobalObject::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot) { if (Base::getOwnPropertySlot(object, exec, propertyName, slot)) return true; return symbolTableGet(jsCast(object), propertyName, slot); } void JSGlobalObject::clearRareData(JSCell* cell) { jsCast(cell)->m_rareData = nullptr; } void slowValidateCell(JSGlobalObject* globalObject) { RELEASE_ASSERT(globalObject->isGlobalObject()); ASSERT_GC_OBJECT_INHERITS(globalObject, JSGlobalObject::info()); } void JSGlobalObject::setRemoteDebuggingEnabled(bool enabled) { #if ENABLE(REMOTE_INSPECTOR) m_inspectorDebuggable->setRemoteDebuggingAllowed(enabled); #else UNUSED_PARAM(enabled); #endif } bool JSGlobalObject::remoteDebuggingEnabled() const { #if ENABLE(REMOTE_INSPECTOR) return m_inspectorDebuggable->remoteDebuggingAllowed(); #else return false; #endif } #if ENABLE(WEB_REPLAY) void JSGlobalObject::setInputCursor(Ref&& cursor) { m_inputCursor = WTFMove(cursor); // Save or set the random seed. This performed here rather than the constructor // to avoid threading the input cursor through all the abstraction layers. if (m_inputCursor->isCapturing()) m_inputCursor->appendInput(m_weakRandom.seed()); else if (m_inputCursor->isReplaying()) { if (SetRandomSeed* input = m_inputCursor->fetchInput()) m_weakRandom.setSeed(static_cast(input->randomSeed())); } } #endif void JSGlobalObject::setName(const String& name) { m_name = name; #if ENABLE(REMOTE_INSPECTOR) m_inspectorDebuggable->update(); #endif } # if ENABLE(INTL) const HashSet& JSGlobalObject::intlCollatorAvailableLocales() { if (m_intlCollatorAvailableLocales.isEmpty()) { int32_t count = ucol_countAvailable(); for (int32_t i = 0; i < count; ++i) { String locale(ucol_getAvailable(i)); convertICULocaleToBCP47LanguageTag(locale); m_intlCollatorAvailableLocales.add(locale); } } return m_intlCollatorAvailableLocales; } const HashSet& JSGlobalObject::intlDateTimeFormatAvailableLocales() { if (m_intlDateTimeFormatAvailableLocales.isEmpty()) { int32_t count = udat_countAvailable(); for (int32_t i = 0; i < count; ++i) { String locale(udat_getAvailable(i)); convertICULocaleToBCP47LanguageTag(locale); m_intlDateTimeFormatAvailableLocales.add(locale); } } return m_intlDateTimeFormatAvailableLocales; } const HashSet& JSGlobalObject::intlNumberFormatAvailableLocales() { if (m_intlNumberFormatAvailableLocales.isEmpty()) { int32_t count = unum_countAvailable(); for (int32_t i = 0; i < count; ++i) { String locale(unum_getAvailable(i)); convertICULocaleToBCP47LanguageTag(locale); m_intlNumberFormatAvailableLocales.add(locale); } } return m_intlNumberFormatAvailableLocales; } #endif // ENABLE(INTL) void JSGlobalObject::queueMicrotask(Ref&& task) { if (globalObjectMethodTable()->queueTaskToEventLoop) { globalObjectMethodTable()->queueTaskToEventLoop(this, WTFMove(task)); return; } vm().queueMicrotask(this, WTFMove(task)); } bool JSGlobalObject::hasDebugger() const { return m_debugger; } bool JSGlobalObject::hasInteractiveDebugger() const { return m_debugger && m_debugger->isInteractivelyDebugging(); } JSGlobalObject* JSGlobalObject::create(VM& vm, Structure* structure) { JSGlobalObject* globalObject = new (NotNull, allocateCell(vm.heap)) JSGlobalObject(vm, structure); globalObject->finishCreation(vm); return globalObject; } void JSGlobalObject::finishCreation(VM& vm) { Base::finishCreation(vm); structure()->setGlobalObject(vm, this); m_runtimeFlags = m_globalObjectMethodTable->javaScriptRuntimeFlags(this); init(vm); setGlobalThis(vm, JSProxy::create(vm, JSProxy::createStructure(vm, this, getPrototypeDirect(), PureForwardingProxyType), this)); } void JSGlobalObject::finishCreation(VM& vm, JSObject* thisValue) { Base::finishCreation(vm); structure()->setGlobalObject(vm, this); m_runtimeFlags = m_globalObjectMethodTable->javaScriptRuntimeFlags(this); init(vm); setGlobalThis(vm, thisValue); } } // namespace JSC