X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/6fe7ccc865dc7d7541b93c5bcaf6368d2c98a174..2656c66b5b30d5597e842a751c7f19ad6c2fe31a:/runtime/JSGlobalObject.cpp diff --git a/runtime/JSGlobalObject.cpp b/runtime/JSGlobalObject.cpp index dc68bde..fbf2ff5 100644 --- a/runtime/JSGlobalObject.cpp +++ b/runtime/JSGlobalObject.cpp @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved. + * Copyright (C) 2007, 2008, 2009, 2014 Apple Inc. All rights reserved. * Copyright (C) 2008 Cameron Zwarich (cwzwarich@uwaterloo.ca) * * Redistribution and use in source and binary forms, with or without @@ -7,13 +7,13 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 Computer, Inc. ("Apple") nor the names of + * 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. + * 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 @@ -30,57 +30,118 @@ #include "config.h" #include "JSGlobalObject.h" -#include "JSCallbackConstructor.h" -#include "JSCallbackFunction.h" -#include "JSCallbackObject.h" - #include "Arguments.h" +#include "ArgumentsIteratorConstructor.h" +#include "ArgumentsIteratorPrototype.h" #include "ArrayConstructor.h" +#include "ArrayIteratorConstructor.h" +#include "ArrayIteratorPrototype.h" #include "ArrayPrototype.h" #include "BooleanConstructor.h" #include "BooleanPrototype.h" #include "CodeBlock.h" +#include "CodeCache.h" +#include "ConsolePrototype.h" #include "DateConstructor.h" #include "DatePrototype.h" +#include "Debugger.h" #include "Error.h" #include "ErrorConstructor.h" #include "ErrorPrototype.h" #include "FunctionConstructor.h" #include "FunctionPrototype.h" #include "GetterSetter.h" +#include "HeapIterationScope.h" +#include "Interpreter.h" +#include "JSAPIWrapperObject.h" +#include "JSActivation.h" +#include "JSArgumentsIterator.h" +#include "JSArrayBuffer.h" +#include "JSArrayBufferConstructor.h" +#include "JSArrayBufferPrototype.h" +#include "JSArrayIterator.h" #include "JSBoundFunction.h" +#include "JSCInlines.h" +#include "JSCallbackConstructor.h" +#include "JSCallbackFunction.h" +#include "JSCallbackObject.h" +#include "JSConsole.h" +#include "JSDataView.h" +#include "JSDataViewPrototype.h" #include "JSFunction.h" +#include "JSGenericTypedArrayViewConstructorInlines.h" +#include "JSGenericTypedArrayViewInlines.h" +#include "JSGenericTypedArrayViewPrototypeInlines.h" #include "JSGlobalObjectFunctions.h" #include "JSLock.h" +#include "JSMap.h" +#include "JSMapIterator.h" +#include "JSNameScope.h" #include "JSONObject.h" -#include "Interpreter.h" +#include "JSSet.h" +#include "JSSetIterator.h" +#include "JSTypedArrayConstructors.h" +#include "JSTypedArrayPrototypes.h" +#include "JSTypedArrays.h" +#include "JSWeakMap.h" +#include "JSWithScope.h" +#include "LegacyProfiler.h" #include "Lookup.h" +#include "MapConstructor.h" +#include "MapIteratorConstructor.h" +#include "MapIteratorPrototype.h" +#include "MapPrototype.h" #include "MathObject.h" +#include "Microtask.h" +#include "NameConstructor.h" +#include "NameInstance.h" +#include "NamePrototype.h" #include "NativeErrorConstructor.h" #include "NativeErrorPrototype.h" #include "NumberConstructor.h" #include "NumberPrototype.h" +#include "ObjCCallbackFunction.h" #include "ObjectConstructor.h" #include "ObjectPrototype.h" -#include "Profiler.h" +#include "ParserError.h" #include "RegExpConstructor.h" #include "RegExpMatchesArray.h" #include "RegExpObject.h" #include "RegExpPrototype.h" -#include "ScopeChainMark.h" +#include "SetConstructor.h" +#include "SetIteratorConstructor.h" +#include "SetIteratorPrototype.h" +#include "SetPrototype.h" +#include "StrictEvalActivation.h" #include "StringConstructor.h" #include "StringPrototype.h" -#include "Debugger.h" +#include "VariableWatchpointSetInlines.h" +#include "WeakMapConstructor.h" +#include "WeakMapPrototype.h" + +#if ENABLE(PROMISES) +#include "JSPromise.h" +#include "JSPromiseConstructor.h" +#include "JSPromisePrototype.h" +#endif // ENABLE(PROMISES) + +#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", &JSVariableObject::s_info, 0, ExecState::globalObjectTable, CREATE_METHOD_TABLE(JSGlobalObject) }; +const ClassInfo JSGlobalObject::s_info = { "GlobalObject", &Base::s_info, 0, ExecState::globalObjectTable, CREATE_METHOD_TABLE(JSGlobalObject) }; -const GlobalObjectMethodTable JSGlobalObject::s_globalObjectMethodTable = { &allowsAccessFrom, &supportsProfiling, &supportsRichSourceInfo, &shouldInterruptScript - , &shouldInterruptScriptBeforeTimeout -}; +const GlobalObjectMethodTable JSGlobalObject::s_globalObjectMethodTable = { &allowsAccessFrom, &supportsProfiling, &supportsRichSourceInfo, &shouldInterruptScript, &javaScriptExperimentsEnabled, 0, &shouldInterruptScriptBeforeTimeout }; /* Source for JSGlobalObject.lut.h @begin globalObjectTable @@ -97,89 +158,112 @@ const GlobalObjectMethodTable JSGlobalObject::s_globalObjectMethodTable = { &all @end */ -ASSERT_CLASS_FITS_IN_CELL(JSGlobalObject); - -// Default number of ticks before a timeout check should be done. -static const int initialTickCountThreshold = 255; - -// Preferred number of milliseconds between each timeout check -static const int preferredScriptCheckTimeInterval = 1000; - -template static inline void visitIfNeeded(SlotVisitor& visitor, WriteBarrier* v) +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_evalEnabled(true) + , m_experimentsEnabled(false) + , m_consoleClient(nullptr) + , m_globalObjectMethodTable(globalObjectMethodTable ? globalObjectMethodTable : &s_globalObjectMethodTable) { - if (*v) - visitor.append(v); } JSGlobalObject::~JSGlobalObject() { +#if ENABLE(REMOTE_INSPECTOR) + m_inspectorController->globalObjectDestroyed(); +#endif + if (m_debugger) - m_debugger->detach(this); + m_debugger->detach(this, Debugger::GlobalObjectIsDestructing); - Profiler** profiler = Profiler::enabledProfilerReference(); - if (UNLIKELY(*profiler != 0)) { - (*profiler)->stopProfiling(this); - } + if (LegacyProfiler* profiler = vm().enabledProfiler()) + profiler->stopProfiling(this); } void JSGlobalObject::destroy(JSCell* cell) { - jsCast(cell)->JSGlobalObject::~JSGlobalObject(); + static_cast(cell)->JSGlobalObject::~JSGlobalObject(); } -void JSGlobalObject::init(JSObject* thisValue) +void JSGlobalObject::setGlobalThis(VM& vm, JSObject* globalThis) { - ASSERT(globalData().apiLock().currentThreadIsHoldingLock()); - - structure()->disableSpecificFunctionTracking(); + m_globalThis.set(vm, this, globalThis); +} - m_globalScopeChain.set(globalData(), this, ScopeChainNode::create(0, this, &globalData(), this, thisValue)); +void JSGlobalObject::init() +{ + ASSERT(vm().currentThreadIsHoldingAPILock()); - JSGlobalObject::globalExec()->init(0, 0, m_globalScopeChain.get(), CallFrame::noCaller(), 0, 0); + JSGlobalObject::globalExec()->init(0, 0, this, 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_inspectorDebuggable->setRemoteDebuggingAllowed(true); + m_consoleClient = m_inspectorController->consoleClient(); +#endif + reset(prototype()); } -void JSGlobalObject::put(JSCell* cell, ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot) +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)); - if (thisObject->symbolTablePut(exec, propertyName, value, slot.isStrictMode())) + if (symbolTablePut(thisObject, exec, propertyName, value, slot.isStrictMode())) return; - JSVariableObject::put(thisObject, exec, propertyName, value, slot); + Base::put(thisObject, exec, propertyName, value, slot); } -void JSGlobalObject::putDirectVirtual(JSObject* object, ExecState* exec, const Identifier& propertyName, JSValue value, unsigned attributes) +bool JSGlobalObject::defineOwnProperty(JSObject* object, ExecState* exec, PropertyName propertyName, const PropertyDescriptor& descriptor, bool shouldThrow) { JSGlobalObject* thisObject = jsCast(object); - ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject)); - - if (thisObject->symbolTablePutWithAttributes(exec->globalData(), propertyName, value, attributes)) - return; - - JSValue valueBefore = thisObject->getDirect(exec->globalData(), propertyName); - PutPropertySlot slot; - JSVariableObject::put(thisObject, exec, propertyName, value, slot); - if (!valueBefore) { - JSValue valueAfter = thisObject->getDirect(exec->globalData(), propertyName); - if (valueAfter) - JSObject::putDirectVirtual(thisObject, exec, propertyName, valueAfter, attributes); - } -} - -bool JSGlobalObject::defineOwnProperty(JSObject* object, ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor, bool shouldThrow) -{ - JSGlobalObject* thisObject = jsCast(object); - PropertySlot slot; + PropertySlot slot(thisObject); // silently ignore attempts to add accessors aliasing vars. - if (descriptor.isAccessorDescriptor() && thisObject->symbolTableGet(propertyName, slot)) + if (descriptor.isAccessorDescriptor() && symbolTableGet(thisObject, propertyName, slot)) return false; return Base::defineOwnProperty(thisObject, exec, propertyName, descriptor, shouldThrow); } +JSGlobalObject::NewGlobalVar JSGlobalObject::addGlobalVar(const Identifier& ident, ConstantMode constantMode) +{ + ConcurrentJITLocker locker(symbolTable()->m_lock); + int index = symbolTable()->size(locker); + SymbolTableEntry newEntry(index, (constantMode == IsConstant) ? ReadOnly : 0); + if (constantMode == IsVariable) + newEntry.prepareToWatch(symbolTable()); + SymbolTable::Map::AddResult result = symbolTable()->add(locker, ident.impl(), newEntry); + if (result.isNewEntry) + addRegisters(1); + else + index = result.iterator->value.getIndex(); + NewGlobalVar var; + var.registerNumber = index; + var.set = result.iterator->value.watchpointSet(); + return var; +} + +void JSGlobalObject::addFunction(ExecState* exec, const Identifier& propertyName, JSValue value) +{ + VM& vm = exec->vm(); + removeDirect(vm, propertyName); // Newly declared functions overwrite existing properties. + NewGlobalVar var = addGlobalVar(propertyName, IsVariable); + registerAt(var.registerNumber).set(exec->vm(), this, value); + if (var.set) + var.set->notifyWrite(vm, value); +} static inline JSObject* lastInPrototypeChain(JSObject* object) { @@ -192,259 +276,473 @@ static inline JSObject* lastInPrototypeChain(JSObject* object) void JSGlobalObject::reset(JSValue prototype) { ExecState* exec = JSGlobalObject::globalExec(); + VM& vm = exec->vm(); - m_functionPrototype.set(exec->globalData(), this, FunctionPrototype::create(exec, this, FunctionPrototype::createStructure(exec->globalData(), this, jsNull()))); // The real prototype will be set once ObjectPrototype is created. - m_functionStructure.set(exec->globalData(), this, JSFunction::createStructure(exec->globalData(), this, m_functionPrototype.get())); - m_boundFunctionStructure.set(exec->globalData(), this, JSBoundFunction::createStructure(exec->globalData(), this, m_functionPrototype.get())); - m_namedFunctionStructure.set(exec->globalData(), this, Structure::addPropertyTransition(exec->globalData(), m_functionStructure.get(), exec->globalData().propertyNames->name, DontDelete | ReadOnly | DontEnum, 0, m_functionNameOffset)); - m_internalFunctionStructure.set(exec->globalData(), this, InternalFunction::createStructure(exec->globalData(), this, m_functionPrototype.get())); + m_functionPrototype.set(vm, this, FunctionPrototype::create(vm, FunctionPrototype::createStructure(vm, this, jsNull()))); // The real prototype will be set once ObjectPrototype is created. + m_functionStructure.set(vm, this, JSFunction::createStructure(vm, this, m_functionPrototype.get())); + m_boundFunctionStructure.set(vm, this, JSBoundFunction::createStructure(vm, this, m_functionPrototype.get())); + m_namedFunctionStructure.set(vm, this, Structure::addPropertyTransition(vm, m_functionStructure.get(), vm.propertyNames->name, DontDelete | ReadOnly | DontEnum, 0, m_functionNameOffset)); + m_internalFunctionStructure.set(vm, this, InternalFunction::createStructure(vm, this, m_functionPrototype.get())); JSFunction* callFunction = 0; JSFunction* applyFunction = 0; m_functionPrototype->addFunctionProperties(exec, this, &callFunction, &applyFunction); - m_callFunction.set(exec->globalData(), this, callFunction); - m_applyFunction.set(exec->globalData(), this, applyFunction); - m_objectPrototype.set(exec->globalData(), this, ObjectPrototype::create(exec, this, ObjectPrototype::createStructure(exec->globalData(), this, jsNull()))); - GetterSetter* protoAccessor = GetterSetter::create(exec); - protoAccessor->setGetter(exec->globalData(), JSFunction::create(exec, this, 0, Identifier(), globalFuncProtoGetter)); - protoAccessor->setSetter(exec->globalData(), JSFunction::create(exec, this, 0, Identifier(), globalFuncProtoSetter)); - m_objectPrototype->putDirectAccessor(exec->globalData(), exec->propertyNames().underscoreProto, protoAccessor, Accessor | DontEnum); - m_functionPrototype->structure()->setPrototypeWithoutTransition(exec->globalData(), m_objectPrototype.get()); + m_callFunction.set(vm, this, callFunction); + m_applyFunction.set(vm, this, applyFunction); + m_objectPrototype.set(vm, this, ObjectPrototype::create(vm, this, ObjectPrototype::createStructure(vm, this, jsNull()))); + GetterSetter* protoAccessor = GetterSetter::create(vm); + protoAccessor->setGetter(vm, JSFunction::create(vm, this, 0, String(), globalFuncProtoGetter)); + protoAccessor->setSetter(vm, 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()); + + m_typedArrays[toIndex(TypeInt8)].prototype.set(vm, this, JSInt8ArrayPrototype::create(vm, this, JSInt8ArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); + m_typedArrays[toIndex(TypeInt16)].prototype.set(vm, this, JSInt16ArrayPrototype::create(vm, this, JSInt16ArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); + m_typedArrays[toIndex(TypeInt32)].prototype.set(vm, this, JSInt32ArrayPrototype::create(vm, this, JSInt32ArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); + m_typedArrays[toIndex(TypeUint8)].prototype.set(vm, this, JSUint8ArrayPrototype::create(vm, this, JSUint8ArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); + m_typedArrays[toIndex(TypeUint8Clamped)].prototype.set(vm, this, JSUint8ClampedArrayPrototype::create(vm, this, JSUint8ClampedArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); + m_typedArrays[toIndex(TypeUint16)].prototype.set(vm, this, JSUint16ArrayPrototype::create(vm, this, JSUint16ArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); + m_typedArrays[toIndex(TypeUint32)].prototype.set(vm, this, JSUint32ArrayPrototype::create(vm, this, JSUint32ArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); + m_typedArrays[toIndex(TypeFloat32)].prototype.set(vm, this, JSFloat32ArrayPrototype::create(vm, this, JSFloat32ArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); + m_typedArrays[toIndex(TypeFloat64)].prototype.set(vm, this, JSFloat64ArrayPrototype::create(vm, this, JSFloat64ArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); + 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_nameScopeStructure.set(vm, this, JSNameScope::createStructure(vm, this, jsNull())); + m_activationStructure.set(vm, this, JSActivation::createStructure(vm, this, jsNull())); + m_strictEvalActivationStructure.set(vm, this, StrictEvalActivation::createStructure(vm, this, jsNull())); + 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_argumentsStructure.set(vm, this, Arguments::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_emptyObjectStructure.set(exec->globalData(), this, m_objectPrototype->inheritorID(exec->globalData())); - m_nullPrototypeObjectStructure.set(exec->globalData(), this, createEmptyObjectStructure(exec->globalData(), this, jsNull())); + 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_regExpMatchesArrayStructure.set(vm, this, RegExpMatchesArray::createStructure(vm, this, m_arrayPrototype.get())); - m_callbackFunctionStructure.set(exec->globalData(), this, JSCallbackFunction::createStructure(exec->globalData(), this, m_functionPrototype.get())); - m_argumentsStructure.set(exec->globalData(), this, Arguments::createStructure(exec->globalData(), this, m_objectPrototype.get())); - m_callbackConstructorStructure.set(exec->globalData(), this, JSCallbackConstructor::createStructure(exec->globalData(), this, m_objectPrototype.get())); - m_callbackObjectStructure.set(exec->globalData(), this, JSCallbackObject::createStructure(exec->globalData(), this, m_objectPrototype.get())); + RegExp* emptyRegex = RegExp::create(vm, "", NoFlags); + + m_regExpPrototype.set(vm, this, RegExpPrototype::create(vm, RegExpPrototype::createStructure(vm, this, m_objectPrototype.get()), emptyRegex)); + m_regExpStructure.set(vm, this, RegExpObject::createStructure(vm, this, m_regExpPrototype.get())); - m_arrayPrototype.set(exec->globalData(), this, ArrayPrototype::create(exec, this, ArrayPrototype::createStructure(exec->globalData(), this, m_objectPrototype.get()))); - m_arrayStructure.set(exec->globalData(), this, JSArray::createStructure(exec->globalData(), this, m_arrayPrototype.get())); - m_regExpMatchesArrayStructure.set(exec->globalData(), this, RegExpMatchesArray::createStructure(exec->globalData(), this, m_arrayPrototype.get())); +#if ENABLE(PROMISES) + m_promisePrototype.set(vm, this, JSPromisePrototype::create(exec, this, JSPromisePrototype::createStructure(vm, this, m_objectPrototype.get()))); + m_promiseStructure.set(vm, this, JSPromise::createStructure(vm, this, m_promisePrototype.get())); +#endif // ENABLE(PROMISES) - m_stringPrototype.set(exec->globalData(), this, StringPrototype::create(exec, this, StringPrototype::createStructure(exec->globalData(), this, m_objectPrototype.get()))); - m_stringObjectStructure.set(exec->globalData(), this, StringObject::createStructure(exec->globalData(), this, m_stringPrototype.get())); +#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())); - m_booleanPrototype.set(exec->globalData(), this, BooleanPrototype::create(exec, this, BooleanPrototype::createStructure(exec->globalData(), this, m_objectPrototype.get()))); - m_booleanObjectStructure.set(exec->globalData(), this, BooleanObject::createStructure(exec->globalData(), this, m_booleanPrototype.get())); + FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_SIMPLE_TYPE) - m_numberPrototype.set(exec->globalData(), this, NumberPrototype::create(exec, this, NumberPrototype::createStructure(exec->globalData(), this, m_objectPrototype.get()))); - m_numberObjectStructure.set(exec->globalData(), this, NumberObject::createStructure(exec->globalData(), this, m_numberPrototype.get())); +#undef CREATE_PROTOTYPE_FOR_SIMPLE_TYPE - m_datePrototype.set(exec->globalData(), this, DatePrototype::create(exec, this, DatePrototype::createStructure(exec->globalData(), this, m_objectPrototype.get()))); - m_dateStructure.set(exec->globalData(), this, DateInstance::createStructure(exec->globalData(), this, m_datePrototype.get())); + // Constructors - RegExp* emptyRegex = RegExp::create(exec->globalData(), "", NoFlags); - - m_regExpPrototype.set(exec->globalData(), this, RegExpPrototype::create(exec, this, RegExpPrototype::createStructure(exec->globalData(), this, m_objectPrototype.get()), emptyRegex)); - m_regExpStructure.set(exec->globalData(), this, RegExpObject::createStructure(exec->globalData(), this, m_regExpPrototype.get())); + ObjectConstructor* objectConstructor = ObjectConstructor::create(vm, ObjectConstructor::createStructure(vm, this, m_functionPrototype.get()), m_objectPrototype.get()); + m_objectConstructor.set(vm, this, objectConstructor); + JSCell* functionConstructor = FunctionConstructor::create(vm, FunctionConstructor::createStructure(vm, this, m_functionPrototype.get()), m_functionPrototype.get()); + JSCell* arrayConstructor = ArrayConstructor::create(vm, ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_arrayPrototype.get()); - m_methodCallDummy.set(exec->globalData(), this, constructEmptyObject(exec)); + m_regExpConstructor.set(vm, this, RegExpConstructor::create(vm, RegExpConstructor::createStructure(vm, this, m_functionPrototype.get()), m_regExpPrototype.get())); - ErrorPrototype* errorPrototype = ErrorPrototype::create(exec, this, ErrorPrototype::createStructure(exec->globalData(), this, m_objectPrototype.get())); - m_errorStructure.set(exec->globalData(), this, ErrorInstance::createStructure(exec->globalData(), this, errorPrototype)); +#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()); \ + m_ ## lowerName ## Prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, lowerName ## Constructor, DontEnum); \ - // Constructors + FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE) + +#undef CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE + + m_errorConstructor.set(vm, this, errorConstructor); + + 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"))); +#if ENABLE(PROMISES) + m_promiseConstructor.set(vm, this, JSPromiseConstructor::create(vm, JSPromiseConstructor::createStructure(vm, this, m_functionPrototype.get()), m_promisePrototype.get())); +#endif + + 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); +#if ENABLE(PROMISES) + m_promisePrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_promiseConstructor.get(), DontEnum); +#endif + + 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 ENABLE(PROMISES) + putDirectWithoutTransition(vm, vm.propertyNames->Promise, m_promiseConstructor.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 + PrototypeMap& prototypeMap = vm.prototypeMap; + Structure* iteratorResultStructure = prototypeMap.emptyObjectStructureForPrototype(m_objectPrototype.get(), JSFinalObject::defaultInlineCapacity()); + PropertyOffset offset; + iteratorResultStructure = Structure::addPropertyTransition(vm, iteratorResultStructure, vm.propertyNames->done, 0, 0, offset); + iteratorResultStructure = Structure::addPropertyTransition(vm, iteratorResultStructure, vm.propertyNames->value, 0, 0, offset); + m_iteratorResultStructure.set(vm, this, iteratorResultStructure); - JSCell* objectConstructor = ObjectConstructor::create(exec, this, ObjectConstructor::createStructure(exec->globalData(), this, m_functionPrototype.get()), m_objectPrototype.get()); - JSCell* functionConstructor = FunctionConstructor::create(exec, this, FunctionConstructor::createStructure(exec->globalData(), this, m_functionPrototype.get()), m_functionPrototype.get()); - JSCell* arrayConstructor = ArrayConstructor::create(exec, this, ArrayConstructor::createStructure(exec->globalData(), this, m_functionPrototype.get()), m_arrayPrototype.get()); - JSCell* stringConstructor = StringConstructor::create(exec, this, StringConstructor::createStructure(exec->globalData(), this, m_functionPrototype.get()), m_stringPrototype.get()); - JSCell* booleanConstructor = BooleanConstructor::create(exec, this, BooleanConstructor::createStructure(exec->globalData(), this, m_functionPrototype.get()), m_booleanPrototype.get()); - JSCell* numberConstructor = NumberConstructor::create(exec, this, NumberConstructor::createStructure(exec->globalData(), this, m_functionPrototype.get()), m_numberPrototype.get()); - JSCell* dateConstructor = DateConstructor::create(exec, this, DateConstructor::createStructure(exec->globalData(), this, m_functionPrototype.get()), m_datePrototype.get()); - - m_regExpConstructor.set(exec->globalData(), this, RegExpConstructor::create(exec, this, RegExpConstructor::createStructure(exec->globalData(), this, m_functionPrototype.get()), m_regExpPrototype.get())); - - m_errorConstructor.set(exec->globalData(), this, ErrorConstructor::create(exec, this, ErrorConstructor::createStructure(exec->globalData(), this, m_functionPrototype.get()), errorPrototype)); - - Structure* nativeErrorPrototypeStructure = NativeErrorPrototype::createStructure(exec->globalData(), this, errorPrototype); - Structure* nativeErrorStructure = NativeErrorConstructor::createStructure(exec->globalData(), this, m_functionPrototype.get()); - m_evalErrorConstructor.set(exec->globalData(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "EvalError")); - m_rangeErrorConstructor.set(exec->globalData(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "RangeError")); - m_referenceErrorConstructor.set(exec->globalData(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "ReferenceError")); - m_syntaxErrorConstructor.set(exec->globalData(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "SyntaxError")); - m_typeErrorConstructor.set(exec->globalData(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "TypeError")); - m_URIErrorConstructor.set(exec->globalData(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "URIError")); - - m_objectPrototype->putDirectWithoutTransition(exec->globalData(), exec->propertyNames().constructor, objectConstructor, DontEnum); - m_functionPrototype->putDirectWithoutTransition(exec->globalData(), exec->propertyNames().constructor, functionConstructor, DontEnum); - m_arrayPrototype->putDirectWithoutTransition(exec->globalData(), exec->propertyNames().constructor, arrayConstructor, DontEnum); - m_booleanPrototype->putDirectWithoutTransition(exec->globalData(), exec->propertyNames().constructor, booleanConstructor, DontEnum); - m_stringPrototype->putDirectWithoutTransition(exec->globalData(), exec->propertyNames().constructor, stringConstructor, DontEnum); - m_numberPrototype->putDirectWithoutTransition(exec->globalData(), exec->propertyNames().constructor, numberConstructor, DontEnum); - m_datePrototype->putDirectWithoutTransition(exec->globalData(), exec->propertyNames().constructor, dateConstructor, DontEnum); - m_regExpPrototype->putDirectWithoutTransition(exec->globalData(), exec->propertyNames().constructor, m_regExpConstructor.get(), DontEnum); - errorPrototype->putDirectWithoutTransition(exec->globalData(), exec->propertyNames().constructor, m_errorConstructor.get(), DontEnum); - - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "Object"), objectConstructor, DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "Function"), functionConstructor, DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "Array"), arrayConstructor, DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "Boolean"), booleanConstructor, DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "String"), stringConstructor, DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "Number"), numberConstructor, DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "Date"), dateConstructor, DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "RegExp"), m_regExpConstructor.get(), DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "Error"), m_errorConstructor.get(), DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "EvalError"), m_evalErrorConstructor.get(), DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "RangeError"), m_rangeErrorConstructor.get(), DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "ReferenceError"), m_referenceErrorConstructor.get(), DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "SyntaxError"), m_syntaxErrorConstructor.get(), DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "TypeError"), m_typeErrorConstructor.get(), DontEnum); - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "URIError"), m_URIErrorConstructor.get(), DontEnum); - - m_evalFunction.set(exec->globalData(), this, JSFunction::create(exec, this, 1, exec->propertyNames().eval, globalFuncEval)); - putDirectWithoutTransition(exec->globalData(), exec->propertyNames().eval, m_evalFunction.get(), DontEnum); - - putDirectWithoutTransition(exec->globalData(), Identifier(exec, "JSON"), JSONObject::create(exec, this, JSONObject::createStructure(exec->globalData(), this, m_objectPrototype.get())), DontEnum); + m_evalFunction.set(vm, this, JSFunction::create(vm, this, 1, vm.propertyNames->eval.string(), globalFuncEval)); + putDirectWithoutTransition(vm, vm.propertyNames->eval, m_evalFunction.get(), DontEnum); + 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); + + std::array typedArrayConstructors; + typedArrayConstructors[toIndex(TypeInt8)] = JSInt8ArrayConstructor::create(vm, JSInt8ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeInt8)].prototype.get(), "Int8Array"); + typedArrayConstructors[toIndex(TypeInt16)] = JSInt16ArrayConstructor::create(vm, JSInt16ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeInt16)].prototype.get(), "Int16Array"); + typedArrayConstructors[toIndex(TypeInt32)] = JSInt32ArrayConstructor::create(vm, JSInt32ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeInt32)].prototype.get(), "Int32Array"); + typedArrayConstructors[toIndex(TypeUint8)] = JSUint8ArrayConstructor::create(vm, JSUint8ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeUint8)].prototype.get(), "Uint8Array"); + typedArrayConstructors[toIndex(TypeUint8Clamped)] = JSUint8ClampedArrayConstructor::create(vm, JSUint8ClampedArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeUint8Clamped)].prototype.get(), "Uint8ClampedArray"); + typedArrayConstructors[toIndex(TypeUint16)] = JSUint16ArrayConstructor::create(vm, JSUint16ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeUint16)].prototype.get(), "Uint16Array"); + typedArrayConstructors[toIndex(TypeUint32)] = JSUint32ArrayConstructor::create(vm, JSUint32ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeUint32)].prototype.get(), "Uint32Array"); + typedArrayConstructors[toIndex(TypeFloat32)] = JSFloat32ArrayConstructor::create(vm, JSFloat32ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeFloat32)].prototype.get(), "Float32Array"); + typedArrayConstructors[toIndex(TypeFloat64)] = JSFloat64ArrayConstructor::create(vm, JSFloat64ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeFloat64)].prototype.get(), "Float64Array"); + typedArrayConstructors[toIndex(TypeDataView)] = JSDataViewConstructor::create(vm, JSDataViewConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeDataView)].prototype.get(), "DataView"); + + for (unsigned typedArrayIndex = NUMBER_OF_TYPED_ARRAY_TYPES; typedArrayIndex--;) { + m_typedArrays[typedArrayIndex].prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, typedArrayConstructors[typedArrayIndex], DontEnum); + putDirectWithoutTransition(vm, Identifier(exec, typedArrayConstructors[typedArrayIndex]->name(exec)), typedArrayConstructors[typedArrayIndex], DontEnum); + } + + JSFunction* builtinLog = JSFunction::create(vm, this, 1, vm.propertyNames->emptyIdentifier.string(), globalFuncBuiltinLog); GlobalPropertyInfo staticGlobals[] = { - GlobalPropertyInfo(Identifier(exec, "Math"), MathObject::create(exec, this, MathObject::createStructure(exec->globalData(), this, m_objectPrototype.get())), DontEnum | DontDelete), - GlobalPropertyInfo(Identifier(exec, "NaN"), jsNaN(), DontEnum | DontDelete | ReadOnly), - GlobalPropertyInfo(Identifier(exec, "Infinity"), jsNumber(std::numeric_limits::infinity()), DontEnum | DontDelete | ReadOnly), - GlobalPropertyInfo(Identifier(exec, "undefined"), jsUndefined(), DontEnum | DontDelete | ReadOnly) + 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->undefinedPrivateName, jsUndefined(), DontEnum | DontDelete | ReadOnly), + GlobalPropertyInfo(vm.propertyNames->ObjectPrivateName, objectConstructor, DontEnum | DontDelete | ReadOnly), + GlobalPropertyInfo(vm.propertyNames->TypeErrorPrivateName, m_typeErrorConstructor.get(), DontEnum | DontDelete | ReadOnly), + GlobalPropertyInfo(vm.propertyNames->BuiltinLogPrivateName, builtinLog, 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; + + 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(exec, "console"), consoleObject, DontEnum); + + if (m_experimentsEnabled) { + NamePrototype* privateNamePrototype = NamePrototype::create(exec, NamePrototype::createStructure(vm, this, m_objectPrototype.get())); + m_privateNameStructure.set(vm, this, NameInstance::createStructure(vm, this, privateNamePrototype)); + + JSCell* privateNameConstructor = NameConstructor::create(vm, NameConstructor::createStructure(vm, this, m_functionPrototype.get()), privateNamePrototype); + privateNamePrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, privateNameConstructor, DontEnum); + putDirectWithoutTransition(vm, Identifier(exec, "Name"), privateNameConstructor, DontEnum); + } - resetPrototype(exec->globalData(), prototype); + resetPrototype(vm, prototype); } -void JSGlobalObject::createThrowTypeError(ExecState* exec) +// Private namespace for helpers for JSGlobalObject::haveABadTime() +namespace { + +class ObjectsWithBrokenIndexingFinder : public MarkedBlock::VoidFunctor { +public: + ObjectsWithBrokenIndexingFinder(MarkedArgumentBuffer&, JSGlobalObject*); + void operator()(JSCell*); + +private: + MarkedArgumentBuffer& m_foundObjects; + JSGlobalObject* m_globalObject; +}; + +ObjectsWithBrokenIndexingFinder::ObjectsWithBrokenIndexingFinder( + MarkedArgumentBuffer& foundObjects, JSGlobalObject* globalObject) + : m_foundObjects(foundObjects) + , m_globalObject(globalObject) { - JSFunction* thrower = JSFunction::create(exec, this, 0, Identifier(), globalFuncThrowTypeError); - GetterSetter* getterSetter = GetterSetter::create(exec); - getterSetter->setGetter(exec->globalData(), thrower); - getterSetter->setSetter(exec->globalData(), thrower); - m_throwTypeErrorGetterSetter.set(exec->globalData(), this, getterSetter); +} + +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); +} + +void ObjectsWithBrokenIndexingFinder::operator()(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); +} + +} // 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(); + 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); + getterSetter->setGetter(vm, thrower); + getterSetter->setSetter(vm, thrower); + m_throwTypeErrorGetterSetter.set(vm, this, getterSetter); } // Set prototype, and also insert the object prototype at the end of the chain. -void JSGlobalObject::resetPrototype(JSGlobalData& globalData, JSValue prototype) +void JSGlobalObject::resetPrototype(VM& vm, JSValue prototype) { - setPrototype(globalData, prototype); + setPrototype(vm, prototype); JSObject* oldLastInPrototypeChain = lastInPrototypeChain(this); JSObject* objectPrototype = m_objectPrototype.get(); if (oldLastInPrototypeChain != objectPrototype) - oldLastInPrototypeChain->setPrototype(globalData, 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, &s_info); + ASSERT_GC_OBJECT_INHERITS(thisObject, info()); COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag); ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren()); - JSVariableObject::visitChildren(thisObject, visitor); - - visitIfNeeded(visitor, &thisObject->m_globalScopeChain); - visitIfNeeded(visitor, &thisObject->m_methodCallDummy); - - visitIfNeeded(visitor, &thisObject->m_regExpConstructor); - visitIfNeeded(visitor, &thisObject->m_errorConstructor); - visitIfNeeded(visitor, &thisObject->m_evalErrorConstructor); - visitIfNeeded(visitor, &thisObject->m_rangeErrorConstructor); - visitIfNeeded(visitor, &thisObject->m_referenceErrorConstructor); - visitIfNeeded(visitor, &thisObject->m_syntaxErrorConstructor); - visitIfNeeded(visitor, &thisObject->m_typeErrorConstructor); - visitIfNeeded(visitor, &thisObject->m_URIErrorConstructor); - - visitIfNeeded(visitor, &thisObject->m_evalFunction); - visitIfNeeded(visitor, &thisObject->m_callFunction); - visitIfNeeded(visitor, &thisObject->m_applyFunction); - visitIfNeeded(visitor, &thisObject->m_throwTypeErrorGetterSetter); - - visitIfNeeded(visitor, &thisObject->m_objectPrototype); - visitIfNeeded(visitor, &thisObject->m_functionPrototype); - visitIfNeeded(visitor, &thisObject->m_arrayPrototype); - visitIfNeeded(visitor, &thisObject->m_booleanPrototype); - visitIfNeeded(visitor, &thisObject->m_stringPrototype); - visitIfNeeded(visitor, &thisObject->m_numberPrototype); - visitIfNeeded(visitor, &thisObject->m_datePrototype); - visitIfNeeded(visitor, &thisObject->m_regExpPrototype); - - visitIfNeeded(visitor, &thisObject->m_argumentsStructure); - visitIfNeeded(visitor, &thisObject->m_arrayStructure); - visitIfNeeded(visitor, &thisObject->m_booleanObjectStructure); - visitIfNeeded(visitor, &thisObject->m_callbackConstructorStructure); - visitIfNeeded(visitor, &thisObject->m_callbackFunctionStructure); - visitIfNeeded(visitor, &thisObject->m_callbackObjectStructure); - visitIfNeeded(visitor, &thisObject->m_dateStructure); - visitIfNeeded(visitor, &thisObject->m_emptyObjectStructure); - visitIfNeeded(visitor, &thisObject->m_nullPrototypeObjectStructure); - visitIfNeeded(visitor, &thisObject->m_errorStructure); - visitIfNeeded(visitor, &thisObject->m_functionStructure); - visitIfNeeded(visitor, &thisObject->m_boundFunctionStructure); - visitIfNeeded(visitor, &thisObject->m_namedFunctionStructure); - visitIfNeeded(visitor, &thisObject->m_numberObjectStructure); - visitIfNeeded(visitor, &thisObject->m_regExpMatchesArrayStructure); - visitIfNeeded(visitor, &thisObject->m_regExpStructure); - visitIfNeeded(visitor, &thisObject->m_stringObjectStructure); - visitIfNeeded(visitor, &thisObject->m_internalFunctionStructure); - - if (thisObject->m_registerArray) { - // Outside the execution of global code, when our variables are torn off, - // we can mark the torn-off array. - visitor.appendValues(thisObject->m_registerArray.get(), thisObject->m_registerArraySize); - } else if (thisObject->m_registers) { - // During execution of global code, when our variables are in the register file, - // the symbol table tells us how many variables there are, and registers - // points to where they end, and the registers used for execution begin. - visitor.appendValues(thisObject->m_registers - thisObject->symbolTable().size(), thisObject->symbolTable().size()); + Base::visitChildren(thisObject, visitor); + + visitor.append(&thisObject->m_globalThis); + + 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); +#if ENABLE(PROMISES) + visitor.append(&thisObject->m_promiseConstructor); +#endif + + visitor.append(&thisObject->m_evalFunction); + visitor.append(&thisObject->m_callFunction); + visitor.append(&thisObject->m_applyFunction); + visitor.append(&thisObject->m_throwTypeErrorGetterSetter); + + visitor.append(&thisObject->m_objectPrototype); + visitor.append(&thisObject->m_functionPrototype); + visitor.append(&thisObject->m_arrayPrototype); + visitor.append(&thisObject->m_errorPrototype); +#if ENABLE(PROMISES) + visitor.append(&thisObject->m_promisePrototype); +#endif + + visitor.append(&thisObject->m_withScopeStructure); + visitor.append(&thisObject->m_strictEvalActivationStructure); + visitor.append(&thisObject->m_activationStructure); + visitor.append(&thisObject->m_nameScopeStructure); + visitor.append(&thisObject->m_argumentsStructure); + 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); +#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_functionStructure); + visitor.append(&thisObject->m_boundFunctionStructure); + visitor.append(&thisObject->m_namedFunctionStructure); + visitor.append(&thisObject->m_privateNameStructure); + visitor.append(&thisObject->m_regExpMatchesArrayStructure); + visitor.append(&thisObject->m_regExpStructure); + visitor.append(&thisObject->m_consoleStructure); + visitor.append(&thisObject->m_internalFunctionStructure); + +#if ENABLE(PROMISES) + visitor.append(&thisObject->m_promiseStructure); +#endif // ENABLE(PROMISES) + +#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) + +#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); } } -ExecState* JSGlobalObject::globalExec() +JSValue JSGlobalObject::toThis(JSCell*, ExecState* exec, ECMAMode ecmaMode) { - return CallFrame::create(m_globalCallFrame + RegisterFile::CallFrameHeaderSize); + if (ecmaMode == StrictMode) + return jsUndefined(); + return exec->globalThisValue(); } -void JSGlobalObject::resizeRegisters(size_t newSize) +ExecState* JSGlobalObject::globalExec() { - // Previous duplicate symbols may have created spare capacity in m_registerArray. - if (newSize <= m_registerArraySize) - return; - - size_t oldSize = m_registerArraySize; - OwnArrayPtr > registerArray = adoptArrayPtr(new WriteBarrier[newSize]); - for (size_t i = 0; i < oldSize; ++i) - registerArray[i].set(globalData(), this, m_registerArray[i].get()); - for (size_t i = oldSize; i < newSize; ++i) - registerArray[i].setUndefined(); - - WriteBarrier* registers = registerArray.get(); - setRegisters(registers, registerArray.release(), newSize); + return CallFrame::create(m_globalCallFrame); } void JSGlobalObject::addStaticGlobals(GlobalPropertyInfo* globals, int count) { - resizeRegisters(symbolTable().size() + count); + addRegisters(count); for (int i = 0; i < count; ++i) { GlobalPropertyInfo& global = globals[i]; ASSERT(global.attributes & DontDelete); - int index = symbolTable().size(); + int index = symbolTable()->size(); SymbolTableEntry newEntry(index, global.attributes); - symbolTable().add(global.identifier.impl(), newEntry); - registerAt(index).set(globalData(), this, global.value); + symbolTable()->add(global.identifier.impl(), newEntry); + registerAt(index).set(vm(), this, global.value); } } -bool JSGlobalObject::getOwnPropertySlot(JSCell* cell, ExecState* exec, const Identifier& propertyName, PropertySlot& slot) -{ - JSGlobalObject* thisObject = jsCast(cell); - if (getStaticFunctionSlot(exec, ExecState::globalObjectTable(exec), thisObject, propertyName, slot)) - return true; - return thisObject->symbolTableGet(propertyName, slot); -} - -bool JSGlobalObject::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) +bool JSGlobalObject::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot) { JSGlobalObject* thisObject = jsCast(object); - if (getStaticFunctionDescriptor(exec, ExecState::globalObjectTable(exec), thisObject, propertyName, descriptor)) + if (getStaticFunctionSlot(exec, ExecState::globalObjectTable(exec->vm()), thisObject, propertyName, slot)) return true; - return thisObject->symbolTableGet(propertyName, descriptor); + return symbolTableGet(thisObject, propertyName, slot); } void JSGlobalObject::clearRareData(JSCell* cell) @@ -452,29 +750,101 @@ void JSGlobalObject::clearRareData(JSCell* cell) jsCast(cell)->m_rareData.clear(); } -DynamicGlobalObjectScope::DynamicGlobalObjectScope(JSGlobalData& globalData, JSGlobalObject* dynamicGlobalObject) - : m_dynamicGlobalObjectSlot(globalData.dynamicGlobalObject) - , m_savedDynamicGlobalObject(m_dynamicGlobalObjectSlot) +void slowValidateCell(JSGlobalObject* globalObject) +{ + RELEASE_ASSERT(globalObject->isGlobalObject()); + ASSERT_GC_OBJECT_INHERITS(globalObject, JSGlobalObject::info()); +} + +UnlinkedProgramCodeBlock* JSGlobalObject::createProgramCodeBlock(CallFrame* callFrame, ProgramExecutable* executable, JSObject** exception) { - if (!m_dynamicGlobalObjectSlot) { -#if ENABLE(ASSEMBLER) - if (ExecutableAllocator::underMemoryPressure()) - globalData.heap.discardAllCompiledCode(); + ParserError error; + JSParserStrictness strictness = executable->isStrictMode() ? JSParseStrict : JSParseNormal; + DebuggerMode debuggerMode = hasDebugger() ? DebuggerOn : DebuggerOff; + ProfilerMode profilerMode = hasProfiler() ? ProfilerOn : ProfilerOff; + UnlinkedProgramCodeBlock* unlinkedCodeBlock = vm().codeCache()->getProgramCodeBlock(vm(), executable, executable->source(), strictness, debuggerMode, profilerMode, error); + + if (hasDebugger()) + debugger()->sourceParsed(callFrame, executable->source().provider(), error.m_line, error.m_message); + + if (error.m_type != ParserError::ErrorNone) { + *exception = error.toErrorObject(this, executable->source()); + return 0; + } + + return unlinkedCodeBlock; +} + +UnlinkedEvalCodeBlock* JSGlobalObject::createEvalCodeBlock(CallFrame* callFrame, EvalExecutable* executable) +{ + ParserError error; + JSParserStrictness strictness = executable->isStrictMode() ? JSParseStrict : JSParseNormal; + DebuggerMode debuggerMode = hasDebugger() ? DebuggerOn : DebuggerOff; + ProfilerMode profilerMode = hasProfiler() ? ProfilerOn : ProfilerOff; + UnlinkedEvalCodeBlock* unlinkedCodeBlock = vm().codeCache()->getEvalCodeBlock(vm(), executable, executable->source(), strictness, debuggerMode, profilerMode, error); + + if (hasDebugger()) + debugger()->sourceParsed(callFrame, executable->source().provider(), error.m_line, error.m_message); + + if (error.m_type != ParserError::ErrorNone) { + throwVMError(callFrame, error.toErrorObject(this, executable->source())); + return 0; + } + + return unlinkedCodeBlock; +} + +void JSGlobalObject::setRemoteDebuggingEnabled(bool enabled) +{ +#if ENABLE(REMOTE_INSPECTOR) + m_inspectorDebuggable->setRemoteDebuggingAllowed(enabled); +#else + UNUSED_PARAM(enabled); #endif +} - m_dynamicGlobalObjectSlot = dynamicGlobalObject; +bool JSGlobalObject::remoteDebuggingEnabled() const +{ +#if ENABLE(REMOTE_INSPECTOR) + return m_inspectorDebuggable->remoteDebuggingAllowed(); +#else + return false; +#endif +} - // Reset the date cache between JS invocations to force the VM - // to observe time zone changes. - globalData.resetDateCache(); +#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.seedUnsafe()); + else if (cursor.isReplaying()) { + if (SetRandomSeed* input = cursor.fetchInput()) + m_weakRandom.initializeSeed(static_cast(input->randomSeed())); } } +#endif -void slowValidateCell(JSGlobalObject* globalObject) +void JSGlobalObject::setName(const String& name) +{ + m_name = name; + +#if ENABLE(REMOTE_INSPECTOR) + m_inspectorDebuggable->update(); +#endif +} + +void JSGlobalObject::queueMicrotask(PassRefPtr task) { - if (!globalObject->isGlobalObject()) - CRASH(); - ASSERT_GC_OBJECT_INHERITS(globalObject, &JSGlobalObject::s_info); + if (globalObjectMethodTable()->queueTaskToEventLoop) + globalObjectMethodTable()->queueTaskToEventLoop(this, task); + else + WTFLogAlways("ERROR: Event loop not supported."); } } // namespace JSC