/* * Copyright (C) 2007, 2008, 2009, 2014, 2015 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 "ArrayIteratorPrototype.h" #include "ArrayPrototype.h" #include "BooleanConstructor.h" #include "BooleanPrototype.h" #include "BuiltinNames.h" #include "ClonedArguments.h" #include "CodeBlock.h" #include "CodeCache.h" #include "ConsolePrototype.h" #include "DateConstructor.h" #include "DatePrototype.h" #include "Debugger.h" #include "DebuggerScope.h" #include "DirectArguments.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 "InspectorInstrumentationObject.h" #include "Interpreter.h" #include "IteratorPrototype.h" #include "JSAPIWrapperObject.h" #include "JSArrayBuffer.h" #include "JSArrayBufferConstructor.h" #include "JSArrayBufferPrototype.h" #include "JSArrayIterator.h" #include "JSBoundFunction.h" #include "JSBoundSlotBaseFunction.h" #include "JSCInlines.h" #include "JSCallbackConstructor.h" #include "JSCallbackFunction.h" #include "JSCallbackObject.h" #include "JSConsole.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 "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 "JSWASMModule.h" #include "JSWeakMap.h" #include "JSWeakSet.h" #include "JSWithScope.h" #include "LegacyProfiler.h" #include "Lookup.h" #include "MapConstructor.h" #include "MapIteratorPrototype.h" #include "MapPrototype.h" #include "MathObject.h" #include "Microtask.h" #include "ModuleLoaderObject.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 "ObjectPrototype.h" #include "ParserError.h" #include "ProxyConstructor.h" #include "ProxyObject.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" #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 #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 = { &allowsAccessFrom, &supportsLegacyProfiling, &supportsRichSourceInfo, &shouldInterruptScript, &javaScriptRuntimeFlags, nullptr, &shouldInterruptScriptBeforeTimeout, nullptr, nullptr, nullptr, nullptr, nullptr }; /* Source for JSGlobalObject.lut.h @begin globalObjectTable parseFloat globalFuncParseFloat DontEnum|Function 1 isNaN globalFuncIsNaN DontEnum|Function 1 isFinite globalFuncIsFinite 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 @end */ static EncodedJSValue JSC_HOST_CALL getTemplateObject(ExecState* exec) { JSValue thisValue = exec->thisValue(); ASSERT(thisValue.inherits(JSTemplateRegistryKey::info())); return JSValue::encode(exec->lexicalGlobalObject()->templateRegistry().getTemplateObject(exec, jsCast(thisValue)->templateRegistryKey())); } 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(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_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); if (LegacyProfiler* profiler = vm().enabledProfiler()) profiler->stopProfiling(this); } void JSGlobalObject::destroy(JSCell* cell) { static_cast(cell)->JSGlobalObject::~JSGlobalObject(); } void JSGlobalObject::setGlobalThis(VM& vm, JSObject* globalThis) { m_globalThis.set(vm, this, globalThis); } void JSGlobalObject::init(VM& vm) { ASSERT(vm.currentThreadIsHoldingAPILock()); JSGlobalObject::globalExec()->init(0, 0, CallFrame::noCaller(), 0, 0); 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 ExecState* exec = JSGlobalObject::globalExec(); 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. m_globalCallee.set(vm, this, JSCallee::create(vm, this, globalScope())); exec->setCallee(m_globalCallee.get()); m_functionStructure.set(vm, this, JSFunction::createStructure(vm, this, m_functionPrototype.get())); m_boundSlotBaseFunctionStructure.set(vm, this, JSBoundSlotBaseFunction::createStructure(vm, this, m_functionPrototype.get())); m_boundFunctionStructure.set(vm, this, JSBoundFunction::createStructure(vm, this, m_functionPrototype.get())); m_nativeStdFunctionStructure.set(vm, this, JSNativeStdFunction::createStructure(vm, this, m_functionPrototype.get())); m_namedFunctionStructure.set(vm, this, Structure::addPropertyTransition(vm, m_functionStructure.get(), vm.propertyNames->name, DontDelete | ReadOnly | DontEnum, m_functionNameOffset)); m_internalFunctionStructure.set(vm, this, InternalFunction::createStructure(vm, this, m_functionPrototype.get())); 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_arrayProtoValuesFunction.set(vm, this, JSFunction::create(vm, this, 0, vm.propertyNames->values.string(), arrayProtoFuncValues)); m_initializePromiseFunction.set(vm, this, JSFunction::createBuiltinFunction(vm, promiseOperationsInitializePromiseCodeGenerator(vm), this)); m_newPromiseCapabilityFunction.set(vm, this, JSFunction::createBuiltinFunction(vm, promiseOperationsNewPromiseCapabilityCodeGenerator(vm), this)); m_functionProtoHasInstanceSymbolFunction.set(vm, this, hasInstanceSymbolFunction); 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, String(), globalFuncProtoGetter)); protoAccessor->setSetter(vm, this, JSFunction::create(vm, this, 0, String(), globalFuncProtoSetter)); m_objectPrototype->putDirectNonIndexAccessor(vm, vm.propertyNames->underscoreProto, protoAccessor, Accessor | DontEnum); m_functionPrototype->structure()->setPrototypeWithoutTransition(vm, m_objectPrototype.get()); JSTypedArrayViewPrototype* typedArrayProto = JSTypedArrayViewPrototype::create(vm, this, JSTypedArrayViewPrototype::createStructure(vm, this, m_objectPrototype.get())); m_typedArrays[toIndex(TypeInt8)].prototype.set(vm, this, JSInt8ArrayPrototype::create(vm, this, JSInt8ArrayPrototype::createStructure(vm, this, typedArrayProto))); m_typedArrays[toIndex(TypeInt16)].prototype.set(vm, this, JSInt16ArrayPrototype::create(vm, this, JSInt16ArrayPrototype::createStructure(vm, this, typedArrayProto))); m_typedArrays[toIndex(TypeInt32)].prototype.set(vm, this, JSInt32ArrayPrototype::create(vm, this, JSInt32ArrayPrototype::createStructure(vm, this, typedArrayProto))); m_typedArrays[toIndex(TypeUint8)].prototype.set(vm, this, JSUint8ArrayPrototype::create(vm, this, JSUint8ArrayPrototype::createStructure(vm, this, typedArrayProto))); m_typedArrays[toIndex(TypeUint8Clamped)].prototype.set(vm, this, JSUint8ClampedArrayPrototype::create(vm, this, JSUint8ClampedArrayPrototype::createStructure(vm, this, typedArrayProto))); m_typedArrays[toIndex(TypeUint16)].prototype.set(vm, this, JSUint16ArrayPrototype::create(vm, this, JSUint16ArrayPrototype::createStructure(vm, this, typedArrayProto))); m_typedArrays[toIndex(TypeUint32)].prototype.set(vm, this, JSUint32ArrayPrototype::create(vm, this, JSUint32ArrayPrototype::createStructure(vm, this, typedArrayProto))); m_typedArrays[toIndex(TypeFloat32)].prototype.set(vm, this, JSFloat32ArrayPrototype::create(vm, this, JSFloat32ArrayPrototype::createStructure(vm, this, typedArrayProto))); m_typedArrays[toIndex(TypeFloat64)].prototype.set(vm, this, JSFloat64ArrayPrototype::create(vm, this, JSFloat64ArrayPrototype::createStructure(vm, this, typedArrayProto))); m_typedArrays[toIndex(TypeDataView)].prototype.set(vm, this, JSDataViewPrototype::create(vm, JSDataViewPrototype::createStructure(vm, this, m_objectPrototype.get()))); m_typedArrays[toIndex(TypeInt8)].structure.set(vm, this, JSInt8Array::createStructure(vm, this, m_typedArrays[toIndex(TypeInt8)].prototype.get())); m_typedArrays[toIndex(TypeInt16)].structure.set(vm, this, JSInt16Array::createStructure(vm, this, m_typedArrays[toIndex(TypeInt16)].prototype.get())); m_typedArrays[toIndex(TypeInt32)].structure.set(vm, this, JSInt32Array::createStructure(vm, this, m_typedArrays[toIndex(TypeInt32)].prototype.get())); m_typedArrays[toIndex(TypeUint8)].structure.set(vm, this, JSUint8Array::createStructure(vm, this, m_typedArrays[toIndex(TypeUint8)].prototype.get())); m_typedArrays[toIndex(TypeUint8Clamped)].structure.set(vm, this, JSUint8ClampedArray::createStructure(vm, this, m_typedArrays[toIndex(TypeUint8Clamped)].prototype.get())); m_typedArrays[toIndex(TypeUint16)].structure.set(vm, this, JSUint16Array::createStructure(vm, this, m_typedArrays[toIndex(TypeUint16)].prototype.get())); m_typedArrays[toIndex(TypeUint32)].structure.set(vm, this, JSUint32Array::createStructure(vm, this, m_typedArrays[toIndex(TypeUint32)].prototype.get())); m_typedArrays[toIndex(TypeFloat32)].structure.set(vm, this, JSFloat32Array::createStructure(vm, this, m_typedArrays[toIndex(TypeFloat32)].prototype.get())); m_typedArrays[toIndex(TypeFloat64)].structure.set(vm, this, JSFloat64Array::createStructure(vm, this, m_typedArrays[toIndex(TypeFloat64)].prototype.get())); m_typedArrays[toIndex(TypeDataView)].structure.set(vm, this, JSDataView::createStructure(vm, this, m_typedArrays[toIndex(TypeDataView)].prototype.get())); m_lexicalEnvironmentStructure.set(vm, this, JSLexicalEnvironment::createStructure(vm, this)); m_moduleEnvironmentStructure.set(vm, this, JSModuleEnvironment::createStructure(vm, this)); m_strictEvalActivationStructure.set(vm, this, StrictEvalActivation::createStructure(vm, this, jsNull())); m_debuggerScopeStructure.set(m_vm, this, DebuggerScope::createStructure(m_vm, this)); m_withScopeStructure.set(vm, this, JSWithScope::createStructure(vm, this, jsNull())); m_nullPrototypeObjectStructure.set(vm, this, JSFinalObject::createStructure(vm, this, jsNull(), JSFinalObject::defaultInlineCapacity())); m_callbackFunctionStructure.set(vm, this, JSCallbackFunction::createStructure(vm, this, 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_outOfBandArgumentsStructure.set(vm, this, ClonedArguments::createStructure(vm, this, m_objectPrototype.get())); m_callbackConstructorStructure.set(vm, this, JSCallbackConstructor::createStructure(vm, this, m_objectPrototype.get())); m_callbackObjectStructure.set(vm, this, JSCallbackObject::createStructure(vm, this, m_objectPrototype.get())); #if JSC_OBJC_API_ENABLED m_objcCallbackFunctionStructure.set(vm, this, ObjCCallbackFunction::createStructure(vm, this, m_functionPrototype.get())); m_objcWrapperObjectStructure.set(vm, this, JSCallbackObject::createStructure(vm, this, 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]; RegExp* emptyRegex = RegExp::create(vm, "", NoFlags); m_regExpPrototype.set(vm, this, RegExpPrototype::create(vm, this, RegExpPrototype::createStructure(vm, this, m_objectPrototype.get()), emptyRegex)); 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())); m_proxyObjectStructure.set(vm, this, ProxyObject::createStructure(vm, this, m_objectPrototype.get())); #if ENABLE(WEBASSEMBLY) m_wasmModuleStructure.set(vm, this, JSWASMModule::createStructure(vm, this)); #endif m_parseIntFunction.set(vm, this, JSFunction::create(vm, this, 2, vm.propertyNames->parseInt.string(), globalFuncParseInt, NoIntrinsic)); putDirectWithoutTransition(vm, vm.propertyNames->parseInt, m_parseIntFunction.get(), DontEnum); #define CREATE_PROTOTYPE_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName) \ m_ ## lowerName ## Prototype.set(vm, this, capitalName##Prototype::create(vm, this, capitalName##Prototype::createStructure(vm, this, m_objectPrototype.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 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) \ m_ ## lowerName ## Prototype.set(vm, this, capitalName##Prototype::create(vm, this, capitalName##Prototype::createStructure(vm, this, m_iteratorPrototype.get()))); \ m_ ## properName ## Structure.set(vm, this, instanceType::createStructure(vm, this, m_ ## lowerName ## Prototype.get())); FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(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()))); #undef CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE // Constructors GetterSetter* speciesGetterSetter = GetterSetter::create(vm, this); speciesGetterSetter->setGetter(vm, this, JSFunction::createBuiltinFunction(vm, globalObjectSpeciesGetterCodeGenerator(vm), this)); ObjectConstructor* objectConstructor = ObjectConstructor::create(vm, this, ObjectConstructor::createStructure(vm, this, m_functionPrototype.get()), m_objectPrototype.get()); m_objectConstructor.set(vm, this, objectConstructor); JSFunction* definePropertyFunction = m_objectConstructor->addDefineProperty(exec, this); m_definePropertyFunction.set(vm, this, definePropertyFunction); JSCell* functionConstructor = FunctionConstructor::create(vm, FunctionConstructor::createStructure(vm, this, m_functionPrototype.get()), m_functionPrototype.get()); JSObject* arrayConstructor = ArrayConstructor::create(vm, ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_arrayPrototype.get(), speciesGetterSetter); m_regExpConstructor.set(vm, this, RegExpConstructor::create(vm, RegExpConstructor::createStructure(vm, this, m_functionPrototype.get()), m_regExpPrototype.get(), speciesGetterSetter)); #define CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName) \ capitalName ## Constructor* lowerName ## Constructor = capitalName ## Constructor::create(vm, capitalName ## Constructor::createStructure(vm, this, m_functionPrototype.get()), m_ ## lowerName ## Prototype.get(), speciesGetterSetter); \ 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); Structure* nativeErrorPrototypeStructure = NativeErrorPrototype::createStructure(vm, this, m_errorPrototype.get()); Structure* nativeErrorStructure = NativeErrorConstructor::createStructure(vm, this, m_functionPrototype.get()); m_evalErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("EvalError"))); m_rangeErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("RangeError"))); m_referenceErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("ReferenceError"))); m_syntaxErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("SyntaxError"))); m_typeErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("TypeError"))); m_URIErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, 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); m_generatorFunctionStructure.set(vm, this, JSGeneratorFunction::createStructure(vm, this, m_generatorFunctionPrototype.get())); m_generatorPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_generatorFunctionPrototype.get(), DontEnum); m_generatorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->prototype, m_generatorPrototype.get(), DontEnum); m_objectPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, objectConstructor, DontEnum); m_functionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, functionConstructor, DontEnum); m_arrayPrototype->setConstructor(vm, 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->EvalError, m_evalErrorConstructor.get(), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->RangeError, m_rangeErrorConstructor.get(), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->ReferenceError, m_referenceErrorConstructor.get(), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->SyntaxError, m_syntaxErrorConstructor.get(), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->TypeError, m_typeErrorConstructor.get(), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->URIError, m_URIErrorConstructor.get(), DontEnum); #if !PLATFORM(QT) // Disable ES6 Proxy because our implementation is not compliant with what real world code expects putDirectWithoutTransition(vm, vm.propertyNames->Proxy, ProxyConstructor::create(vm, ProxyConstructor::createStructure(vm, this, m_functionPrototype.get())), DontEnum); #endif #define PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName) \ 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) putDirectWithoutTransition(vm, vm.propertyNames->JSON, JSONObject::create(vm, JSONObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Math, MathObject::create(vm, this, MathObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Reflect, ReflectObject::create(vm, this, ReflectObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum); JSTypedArrayViewConstructor* typedArraySuperConstructor = JSTypedArrayViewConstructor::create(vm, this, JSTypedArrayViewConstructor::createStructure(vm, this, m_functionPrototype.get()), typedArrayProto, speciesGetterSetter); typedArrayProto->putDirectWithoutTransition(vm, vm.propertyNames->constructor, typedArraySuperConstructor, DontEnum); std::array typedArrayConstructors; typedArrayConstructors[toIndex(TypeInt8)] = JSInt8ArrayConstructor::create(vm, this, JSInt8ArrayConstructor::createStructure(vm, this, typedArraySuperConstructor), m_typedArrays[toIndex(TypeInt8)].prototype.get(), ASCIILiteral("Int8Array"), typedArrayConstructorAllocateInt8ArrayCodeGenerator(vm)); typedArrayConstructors[toIndex(TypeInt16)] = JSInt16ArrayConstructor::create(vm, this, JSInt16ArrayConstructor::createStructure(vm, this, typedArraySuperConstructor), m_typedArrays[toIndex(TypeInt16)].prototype.get(), ASCIILiteral("Int16Array"), typedArrayConstructorAllocateInt16ArrayCodeGenerator(vm)); typedArrayConstructors[toIndex(TypeInt32)] = JSInt32ArrayConstructor::create(vm, this, JSInt32ArrayConstructor::createStructure(vm, this, typedArraySuperConstructor), m_typedArrays[toIndex(TypeInt32)].prototype.get(), ASCIILiteral("Int32Array"), typedArrayConstructorAllocateInt32ArrayCodeGenerator(vm)); typedArrayConstructors[toIndex(TypeUint8)] = JSUint8ArrayConstructor::create(vm, this, JSUint8ArrayConstructor::createStructure(vm, this, typedArraySuperConstructor), m_typedArrays[toIndex(TypeUint8)].prototype.get(), ASCIILiteral("Uint8Array"), typedArrayConstructorAllocateUint8ArrayCodeGenerator(vm)); typedArrayConstructors[toIndex(TypeUint8Clamped)] = JSUint8ClampedArrayConstructor::create(vm, this, JSUint8ClampedArrayConstructor::createStructure(vm, this, typedArraySuperConstructor), m_typedArrays[toIndex(TypeUint8Clamped)].prototype.get(), ASCIILiteral("Uint8ClampedArray"), typedArrayConstructorAllocateUint8ClampedArrayCodeGenerator(vm)); typedArrayConstructors[toIndex(TypeUint16)] = JSUint16ArrayConstructor::create(vm, this, JSUint16ArrayConstructor::createStructure(vm, this, typedArraySuperConstructor), m_typedArrays[toIndex(TypeUint16)].prototype.get(), ASCIILiteral("Uint16Array"), typedArrayConstructorAllocateUint16ArrayCodeGenerator(vm)); typedArrayConstructors[toIndex(TypeUint32)] = JSUint32ArrayConstructor::create(vm, this, JSUint32ArrayConstructor::createStructure(vm, this, typedArraySuperConstructor), m_typedArrays[toIndex(TypeUint32)].prototype.get(), ASCIILiteral("Uint32Array"), typedArrayConstructorAllocateUint32ArrayCodeGenerator(vm)); typedArrayConstructors[toIndex(TypeFloat32)] = JSFloat32ArrayConstructor::create(vm, this, JSFloat32ArrayConstructor::createStructure(vm, this, typedArraySuperConstructor), m_typedArrays[toIndex(TypeFloat32)].prototype.get(), ASCIILiteral("Float32Array"), typedArrayConstructorAllocateFloat32ArrayCodeGenerator(vm)); typedArrayConstructors[toIndex(TypeFloat64)] = JSFloat64ArrayConstructor::create(vm, this, JSFloat64ArrayConstructor::createStructure(vm, this, typedArraySuperConstructor), m_typedArrays[toIndex(TypeFloat64)].prototype.get(), ASCIILiteral("Float64Array"), typedArrayConstructorAllocateFloat64ArrayCodeGenerator(vm)); typedArrayConstructors[toIndex(TypeDataView)] = JSDataViewConstructor::create(vm, this, JSDataViewConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeDataView)].prototype.get(), ASCIILiteral("DataView"), nullptr); for (unsigned typedArrayIndex = NUMBER_OF_TYPED_ARRAY_TYPES; typedArrayIndex--;) { m_typedArrays[typedArrayIndex].prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, typedArrayConstructors[typedArrayIndex], DontEnum); putDirectWithoutTransition(vm, Identifier::fromString(exec, typedArrayConstructors[typedArrayIndex]->name(exec)), typedArrayConstructors[typedArrayIndex], DontEnum); } putDirectWithoutTransition(vm, vm.propertyNames->Int8ArrayPrivateName, typedArrayConstructors[toIndex(TypeInt8)], DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Int16ArrayPrivateName, typedArrayConstructors[toIndex(TypeInt16)], DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Int32ArrayPrivateName, typedArrayConstructors[toIndex(TypeInt32)], DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Uint8ArrayPrivateName, typedArrayConstructors[toIndex(TypeUint8)], DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Uint8ClampedArrayPrivateName, typedArrayConstructors[toIndex(TypeUint8Clamped)], DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Uint16ArrayPrivateName, typedArrayConstructors[toIndex(TypeUint16)], DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Uint32ArrayPrivateName, typedArrayConstructors[toIndex(TypeUint32)], DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Float32ArrayPrivateName, typedArrayConstructors[toIndex(TypeFloat32)], DontEnum); putDirectWithoutTransition(vm, vm.propertyNames->Float64ArrayPrivateName, typedArrayConstructors[toIndex(TypeFloat64)], DontEnum); m_moduleLoader.set(vm, this, ModuleLoaderObject::create(vm, this, ModuleLoaderObject::createStructure(vm, this, m_objectPrototype.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* privateFuncIsFinite = JSFunction::create(vm, this, 0, String(), globalFuncIsFinite); JSFunction* privateFuncIsNaN = JSFunction::create(vm, this, 0, String(), globalFuncIsNaN); JSFunction* privateFuncGetTemplateObject = JSFunction::create(vm, this, 0, String(), getTemplateObject); JSFunction* privateFuncToLength = JSFunction::createBuiltinFunction(vm, globalObjectToLengthCodeGenerator(vm), this); JSFunction* privateFuncToInteger = JSFunction::createBuiltinFunction(vm, globalObjectToIntegerCodeGenerator(vm), this); JSFunction* privateFuncTypedArrayLength = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncLength); JSFunction* privateFuncTypedArraySort = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncSort); 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); GlobalPropertyInfo staticGlobals[] = { 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->ObjectPrivateName, objectConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->ownEnumerablePropertyKeysPrivateName, JSFunction::create(vm, this, 0, String(), ownEnumerablePropertyKeys), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->getTemplateObjectPrivateName, privateFuncGetTemplateObject, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->enqueueJobPrivateName, JSFunction::create(vm, this, 0, String(), enqueueJob), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->RangeErrorPrivateName, m_rangeErrorConstructor.get(), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->TypeErrorPrivateName, m_typeErrorConstructor.get(), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->typedArrayLengthPrivateName, privateFuncTypedArrayLength, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->typedArraySortPrivateName, privateFuncTypedArraySort, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->isBoundFunctionPrivateName, privateFuncIsBoundFunction, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->hasInstanceBoundFunctionPrivateName, privateFuncHasInstanceBoundFunction, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->instanceOfPrivateName, privateFuncInstanceOf, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->BuiltinLogPrivateName, builtinLog, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->ArrayPrivateName, arrayConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->NumberPrivateName, numberConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->RegExpPrivateName, m_regExpConstructor.get(), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->StringPrivateName, stringConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->absPrivateName, privateFuncAbs, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->floorPrivateName, privateFuncFloor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->isFinitePrivateName, privateFuncIsFinite, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->isNaNPrivateName, privateFuncIsNaN, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->PromisePrivateName, promiseConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->InternalPromisePrivateName, internalPromiseConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->isSetPrivateName, JSFunction::create(vm, this, 1, String(), privateFuncIsSet), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->SetIteratorPrivateName, JSFunction::create(vm, this, 1, String(), privateFuncSetIterator), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->setIteratorNextPrivateName, JSFunction::create(vm, this, 0, String(), privateFuncSetIteratorNext), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->isMapPrivateName, JSFunction::create(vm, this, 1, String(), privateFuncIsMap), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->MapIteratorPrivateName, JSFunction::create(vm, this, 1, String(), privateFuncMapIterator), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->mapIteratorNextPrivateName, JSFunction::create(vm, this, 0, String(), privateFuncMapIteratorNext), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().toLengthPrivateName(), privateFuncToLength, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().toIntegerPrivateName(), privateFuncToInteger, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().isDictionaryPrivateName(), JSFunction::createBuiltinFunction(vm, globalObjectIsDictionaryCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().isPromisePrivateName(), JSFunction::createBuiltinFunction(vm, promiseOperationsIsPromiseCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().newPromiseReactionPrivateName(), JSFunction::createBuiltinFunction(vm, promiseOperationsNewPromiseReactionCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().newPromiseCapabilityPrivateName(), m_newPromiseCapabilityFunction.get(), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().triggerPromiseReactionsPrivateName(), JSFunction::createBuiltinFunction(vm, promiseOperationsTriggerPromiseReactionsCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().rejectPromisePrivateName(), JSFunction::createBuiltinFunction(vm, promiseOperationsRejectPromiseCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().fulfillPromisePrivateName(), JSFunction::createBuiltinFunction(vm, promiseOperationsFulfillPromiseCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().createResolvingFunctionsPrivateName(), JSFunction::createBuiltinFunction(vm, promiseOperationsCreateResolvingFunctionsCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().promiseReactionJobPrivateName(), JSFunction::createBuiltinFunction(vm, promiseOperationsPromiseReactionJobCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().promiseResolveThenableJobPrivateName(), JSFunction::createBuiltinFunction(vm, promiseOperationsPromiseResolveThenableJobCodeGenerator(vm), this), 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->MapPrivateName, mapConstructor, DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().generatorResumePrivateName(), JSFunction::createBuiltinFunction(vm, generatorPrototypeGeneratorResumeCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly), GlobalPropertyInfo(vm.propertyNames->builtinNames().thisTimeValuePrivateName(), privateFuncThisTimeValue, 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) }; 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::DefinePropertyFunction)] = m_definePropertyFunction.get(); ConsolePrototype* consolePrototype = ConsolePrototype::create(vm, this, ConsolePrototype::createStructure(vm, this, m_objectPrototype.get())); m_consoleStructure.set(vm, this, JSConsole::createStructure(vm, this, consolePrototype)); JSConsole* consoleObject = JSConsole::create(vm, m_consoleStructure.get()); putDirectWithoutTransition(vm, Identifier::fromString(exec, "console"), consoleObject, DontEnum); 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()); putDirectWithoutTransition(vm, Identifier::fromString(exec, "$vm"), dollarVM, DontEnum); } resetPrototype(vm, prototype()); } bool JSGlobalObject::hasLegacyProfiler() const { return globalObjectMethodTable()->supportsLegacyProfiling(this); } void JSGlobalObject::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot) { JSGlobalObject* thisObject = jsCast(cell); ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject)); bool shouldThrowReadOnlyError = slot.isStrictMode(); bool ignoreReadOnlyErrors = false; if (symbolTablePutTouchWatchpointSet(thisObject, exec, propertyName, value, shouldThrowReadOnlyError, ignoreReadOnlyErrors)) 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) { ConcurrentJITLocker 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(), newEntry); ScopeOffset offsetForAssert = addVariables(1, jsUndefined()); RELEASE_ASSERT(offsetForAssert == offset); } void JSGlobalObject::addFunction(ExecState* exec, const Identifier& propertyName) { VM& vm = exec->vm(); removeDirect(vm, propertyName); // Newly declared functions overwrite existing properties. addGlobalVar(propertyName); } static inline JSObject* lastInPrototypeChain(JSObject* object) { JSObject* o = object; while (o->prototype().isObject()) o = asObject(o->prototype()); return o; } // Private namespace for helpers for JSGlobalObject::haveABadTime() namespace { class ObjectsWithBrokenIndexingFinder : public MarkedBlock::VoidFunctor { public: ObjectsWithBrokenIndexingFinder(MarkedArgumentBuffer&, JSGlobalObject*); IterationStatus operator()(JSCell*); 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->prototype(); if (prototypeValue.isNull()) break; current = asObject(prototypeValue); } if (!foundGlobalObject) return; m_foundObjects.append(object); } IterationStatus ObjectsWithBrokenIndexingFinder::operator()(JSCell* cell) { visit(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("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)); // 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); } } bool JSGlobalObject::objectPrototypeIsSane() { return !hasIndexedProperties(m_objectPrototype->indexingType()) && m_objectPrototype->prototype().isNull(); } bool JSGlobalObject::arrayPrototypeChainIsSane() { return !hasIndexedProperties(m_arrayPrototype->indexingType()) && m_arrayPrototype->prototype() == m_objectPrototype.get() && objectPrototypeIsSane(); } bool JSGlobalObject::stringPrototypeChainIsSane() { return !hasIndexedProperties(m_stringPrototype->indexingType()) && m_stringPrototype->prototype() == m_objectPrototype.get() && objectPrototypeIsSane(); } void JSGlobalObject::createThrowTypeError(VM& vm) { JSFunction* thrower = JSFunction::create(vm, this, 0, String(), globalFuncThrowTypeError); GetterSetter* getterSetter = GetterSetter::create(vm, this); getterSetter->setGetter(vm, this, thrower); getterSetter->setSetter(vm, this, thrower); m_throwTypeErrorGetterSetter.set(vm, this, getterSetter); } // Set prototype, and also insert the object prototype at the end of the chain. void JSGlobalObject::resetPrototype(VM& vm, JSValue prototype) { setPrototype(vm, prototype); JSObject* oldLastInPrototypeChain = lastInPrototypeChain(this); JSObject* objectPrototype = m_objectPrototype.get(); if (oldLastInPrototypeChain != objectPrototype) oldLastInPrototypeChain->setPrototype(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_globalCallee); visitor.append(&thisObject->m_regExpConstructor); visitor.append(&thisObject->m_errorConstructor); visitor.append(&thisObject->m_evalErrorConstructor); visitor.append(&thisObject->m_rangeErrorConstructor); visitor.append(&thisObject->m_referenceErrorConstructor); visitor.append(&thisObject->m_syntaxErrorConstructor); visitor.append(&thisObject->m_typeErrorConstructor); visitor.append(&thisObject->m_URIErrorConstructor); visitor.append(&thisObject->m_objectConstructor); visitor.append(&thisObject->m_promiseConstructor); visitor.append(&thisObject->m_internalPromiseConstructor); 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_definePropertyFunction); visitor.append(&thisObject->m_arrayProtoValuesFunction); visitor.append(&thisObject->m_initializePromiseFunction); visitor.append(&thisObject->m_newPromiseCapabilityFunction); visitor.append(&thisObject->m_functionProtoHasInstanceSymbolFunction); visitor.append(&thisObject->m_throwTypeErrorGetterSetter); 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_debuggerScopeStructure); visitor.append(&thisObject->m_withScopeStructure); visitor.append(&thisObject->m_strictEvalActivationStructure); visitor.append(&thisObject->m_lexicalEnvironmentStructure); visitor.append(&thisObject->m_moduleEnvironmentStructure); visitor.append(&thisObject->m_directArgumentsStructure); visitor.append(&thisObject->m_scopedArgumentsStructure); visitor.append(&thisObject->m_outOfBandArgumentsStructure); 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]); visitor.append(&thisObject->m_booleanObjectStructure); visitor.append(&thisObject->m_callbackConstructorStructure); visitor.append(&thisObject->m_callbackFunctionStructure); visitor.append(&thisObject->m_callbackObjectStructure); visitor.append(&thisObject->m_propertyNameIteratorStructure); #if JSC_OBJC_API_ENABLED visitor.append(&thisObject->m_objcCallbackFunctionStructure); visitor.append(&thisObject->m_objcWrapperObjectStructure); #endif visitor.append(&thisObject->m_nullPrototypeObjectStructure); visitor.append(&thisObject->m_errorStructure); visitor.append(&thisObject->m_calleeStructure); visitor.append(&thisObject->m_functionStructure); visitor.append(&thisObject->m_boundSlotBaseFunctionStructure); visitor.append(&thisObject->m_boundFunctionStructure); visitor.append(&thisObject->m_nativeStdFunctionStructure); visitor.append(&thisObject->m_namedFunctionStructure); visitor.append(&thisObject->m_symbolObjectStructure); visitor.append(&thisObject->m_regExpStructure); visitor.append(&thisObject->m_generatorFunctionStructure); visitor.append(&thisObject->m_iteratorResultObjectStructure); visitor.append(&thisObject->m_regExpMatchesArrayStructure); visitor.append(&thisObject->m_moduleRecordStructure); visitor.append(&thisObject->m_moduleNamespaceObjectStructure); visitor.append(&thisObject->m_consoleStructure); visitor.append(&thisObject->m_dollarVMStructure); visitor.append(&thisObject->m_internalFunctionStructure); visitor.append(&thisObject->m_proxyObjectStructure); #if ENABLE(WEBASSEMBLY) visitor.append(&thisObject->m_wasmModuleStructure); #endif #define VISIT_SIMPLE_TYPE(CapitalName, lowerName, properName, instanceType, jsName) \ visitor.append(&thisObject->m_ ## lowerName ## Prototype); \ visitor.append(&thisObject->m_ ## properName ## Structure); \ FOR_EACH_SIMPLE_BUILTIN_TYPE(VISIT_SIMPLE_TYPE) FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(VISIT_SIMPLE_TYPE) #undef VISIT_SIMPLE_TYPE for (unsigned i = NUMBER_OF_TYPED_ARRAY_TYPES; i--;) { visitor.append(&thisObject->m_typedArrays[i].prototype); visitor.append(&thisObject->m_typedArrays[i].structure); } } 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); ScopeOffset offset; { ConcurrentJITLocker locker(symbolTable()->m_lock); offset = symbolTable()->takeNextScopeOffset(locker); RELEASE_ASSERT(offset = startOffset + i); SymbolTableEntry newEntry(VarOffset(offset), global.attributes); symbolTable()->add(locker, global.identifier.impl(), newEntry); } variableAt(offset).set(vm(), this, global.value); } } bool JSGlobalObject::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot) { JSGlobalObject* thisObject = jsCast(object); if (getStaticFunctionSlot(exec, globalObjectTable, thisObject, propertyName, slot)) return true; return symbolTableGet(thisObject, 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()); } UnlinkedProgramCodeBlock* JSGlobalObject::createProgramCodeBlock(CallFrame* callFrame, ProgramExecutable* executable, JSObject** exception) { ParserError error; JSParserStrictMode strictMode = executable->isStrictMode() ? JSParserStrictMode::Strict : JSParserStrictMode::NotStrict; DebuggerMode debuggerMode = hasDebugger() ? DebuggerOn : DebuggerOff; ProfilerMode profilerMode = hasLegacyProfiler() ? ProfilerOn : ProfilerOff; UnlinkedProgramCodeBlock* unlinkedCodeBlock = vm().codeCache()->getProgramCodeBlock( vm(), executable, executable->source(), JSParserBuiltinMode::NotBuiltin, strictMode, debuggerMode, profilerMode, error); if (hasDebugger()) debugger()->sourceParsed(callFrame, executable->source().provider(), error.line(), error.message()); if (error.isValid()) { *exception = error.toErrorObject(this, executable->source()); return nullptr; } return unlinkedCodeBlock; } UnlinkedEvalCodeBlock* JSGlobalObject::createEvalCodeBlock(CallFrame* callFrame, EvalExecutable* executable, ThisTDZMode thisTDZMode, bool isArrowFunctionContext, const VariableEnvironment* variablesUnderTDZ) { ParserError error; JSParserStrictMode strictMode = executable->isStrictMode() ? JSParserStrictMode::Strict : JSParserStrictMode::NotStrict; DebuggerMode debuggerMode = hasDebugger() ? DebuggerOn : DebuggerOff; ProfilerMode profilerMode = hasLegacyProfiler() ? ProfilerOn : ProfilerOff; UnlinkedEvalCodeBlock* unlinkedCodeBlock = vm().codeCache()->getEvalCodeBlock( vm(), executable, executable->source(), JSParserBuiltinMode::NotBuiltin, strictMode, thisTDZMode, isArrowFunctionContext, debuggerMode, profilerMode, error, variablesUnderTDZ); if (hasDebugger()) debugger()->sourceParsed(callFrame, executable->source().provider(), error.line(), error.message()); if (error.isValid()) { throwVMError(callFrame, error.toErrorObject(this, executable->source())); return nullptr; } return unlinkedCodeBlock; } UnlinkedModuleProgramCodeBlock* JSGlobalObject::createModuleProgramCodeBlock(CallFrame* callFrame, ModuleProgramExecutable* executable) { ParserError error; DebuggerMode debuggerMode = hasDebugger() ? DebuggerOn : DebuggerOff; ProfilerMode profilerMode = hasLegacyProfiler() ? ProfilerOn : ProfilerOff; UnlinkedModuleProgramCodeBlock* unlinkedCodeBlock = vm().codeCache()->getModuleProgramCodeBlock( vm(), executable, executable->source(), JSParserBuiltinMode::NotBuiltin, debuggerMode, profilerMode, error); if (hasDebugger()) debugger()->sourceParsed(callFrame, executable->source().provider(), error.line(), error.message()); if (error.isValid()) { throwVMError(callFrame, error.toErrorObject(this, executable->source())); return nullptr; } return unlinkedCodeBlock; } 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(PassRefPtr prpCursor) { m_inputCursor = prpCursor; ASSERT(m_inputCursor); InputCursor& cursor = inputCursor(); // 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 (cursor.isCapturing()) cursor.appendInput(m_weakRandom.seed()); else if (cursor.isReplaying()) { if (SetRandomSeed* input = cursor.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(PassRefPtr task) { if (globalObjectMethodTable()->queueTaskToEventLoop) { globalObjectMethodTable()->queueTaskToEventLoop(this, task); return; } vm().queueMicrotask(this, task); } } // namespace JSC