X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/ba379fdc102753d6be2c4d937058fe40257329fe..cb9aa2694aba0ae4f946ed34b8e0f6c99c1cfe44:/runtime/JSGlobalObject.cpp diff --git a/runtime/JSGlobalObject.cpp b/runtime/JSGlobalObject.cpp index c56b84b..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 @@ -30,163 +30,239 @@ #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 "GlobalEvalFunction.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 "PrototypeFunction.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" - -namespace JSC { - -ASSERT_CLASS_FITS_IN_CELL(JSGlobalObject); +#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 -// Default number of ticks before a timeout check should be done. -static const int initialTickCountThreshold = 255; +#if ENABLE(WEB_REPLAY) +#include "EmptyInputCursor.h" +#include "JSReplayInputs.h" +#endif -// Preferred number of milliseconds between each timeout check -static const int preferredScriptCheckTimeInterval = 1000; +#include "JSGlobalObject.lut.h" -static inline void markIfNeeded(JSValue v) -{ - if (v && !v.marked()) - v.mark(); -} +namespace JSC { -static inline void markIfNeeded(const RefPtr& s) +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, &javaScriptExperimentsEnabled, 0, &shouldInterruptScriptBeforeTimeout }; + +/* Source for JSGlobalObject.lut.h +@begin globalObjectTable + parseInt globalFuncParseInt DontEnum|Function 2 + 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 +*/ + +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 (s) - s->mark(); } JSGlobalObject::~JSGlobalObject() { - ASSERT(JSLock::currentThreadIsHoldingLock()); - - if (d()->debugger) - d()->debugger->detach(this); +#if ENABLE(REMOTE_INSPECTOR) + m_inspectorController->globalObjectDestroyed(); +#endif - Profiler** profiler = Profiler::enabledProfilerReference(); - if (UNLIKELY(*profiler != 0)) { - (*profiler)->stopProfiling(globalExec(), UString()); - } + if (m_debugger) + m_debugger->detach(this, Debugger::GlobalObjectIsDestructing); - d()->next->d()->prev = d()->prev; - d()->prev->d()->next = d()->next; - JSGlobalObject*& headObject = head(); - if (headObject == this) - headObject = d()->next; - if (headObject == this) - headObject = 0; - - HashSet::const_iterator end = codeBlocks().end(); - for (HashSet::const_iterator it = codeBlocks().begin(); it != end; ++it) - (*it)->clearGlobalObject(); - - RegisterFile& registerFile = globalData()->interpreter->registerFile(); - if (registerFile.globalObject() == this) { - registerFile.setGlobalObject(0); - registerFile.setNumGlobals(0); - } - delete d(); + if (LegacyProfiler* profiler = vm().enabledProfiler()) + profiler->stopProfiling(this); } -void JSGlobalObject::init(JSObject* thisValue) +void JSGlobalObject::destroy(JSCell* cell) { - ASSERT(JSLock::currentThreadIsHoldingLock()); + static_cast(cell)->JSGlobalObject::~JSGlobalObject(); +} - d()->globalData = Heap::heap(this)->globalData(); - d()->globalScopeChain = ScopeChain(this, d()->globalData.get(), thisValue); +void JSGlobalObject::setGlobalThis(VM& vm, JSObject* globalThis) +{ + m_globalThis.set(vm, this, globalThis); +} - JSGlobalObject::globalExec()->init(0, 0, d()->globalScopeChain.node(), CallFrame::noCaller(), 0, 0, 0); +void JSGlobalObject::init() +{ + ASSERT(vm().currentThreadIsHoldingAPILock()); - if (JSGlobalObject*& headObject = head()) { - d()->prev = headObject; - d()->next = headObject->d()->next; - headObject->d()->next->d()->prev = this; - headObject->d()->next = this; - } else - headObject = d()->next = d()->prev = this; + JSGlobalObject::globalExec()->init(0, 0, this, CallFrame::noCaller(), 0, 0); - d()->recursion = 0; - d()->debugger = 0; + m_debugger = 0; - d()->profileGroup = 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(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot) +void JSGlobalObject::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot) { - ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(this)); + JSGlobalObject* thisObject = jsCast(cell); + ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject)); - if (symbolTablePut(propertyName, value)) + if (symbolTablePut(thisObject, exec, propertyName, value, slot.isStrictMode())) return; - JSVariableObject::put(exec, propertyName, value, slot); + Base::put(thisObject, exec, propertyName, value, slot); } -void JSGlobalObject::putWithAttributes(ExecState* exec, const Identifier& propertyName, JSValue value, unsigned attributes) +bool JSGlobalObject::defineOwnProperty(JSObject* object, ExecState* exec, PropertyName propertyName, const PropertyDescriptor& descriptor, bool shouldThrow) { - ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(this)); - - if (symbolTablePutWithAttributes(propertyName, value, attributes)) - return; - - JSValue valueBefore = getDirect(propertyName); - PutPropertySlot slot; - JSVariableObject::put(exec, propertyName, value, slot); - if (!valueBefore) { - JSValue valueAfter = getDirect(propertyName); - if (valueAfter) - JSObject::putWithAttributes(exec, propertyName, valueAfter, attributes); - } + JSGlobalObject* thisObject = jsCast(object); + PropertySlot slot(thisObject); + // 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::defineGetter(ExecState* exec, const Identifier& propertyName, JSObject* getterFunc) +JSGlobalObject::NewGlobalVar JSGlobalObject::addGlobalVar(const Identifier& ident, ConstantMode constantMode) { - PropertySlot slot; - if (!symbolTableGet(propertyName, slot)) - JSVariableObject::defineGetter(exec, propertyName, getterFunc); + 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::defineSetter(ExecState* exec, const Identifier& propertyName, JSObject* setterFunc) +void JSGlobalObject::addFunction(ExecState* exec, const Identifier& propertyName, JSValue value) { - PropertySlot slot; - if (!symbolTableGet(propertyName, slot)) - JSVariableObject::defineSetter(exec, propertyName, setterFunc); + 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) @@ -200,263 +276,575 @@ static inline JSObject* lastInPrototypeChain(JSObject* object) void JSGlobalObject::reset(JSValue prototype) { ExecState* exec = JSGlobalObject::globalExec(); + VM& vm = exec->vm(); + + 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(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 - // Prototypes + 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())); - d()->functionPrototype = new (exec) FunctionPrototype(exec, FunctionPrototype::createStructure(jsNull())); // The real prototype will be set once ObjectPrototype is created. - d()->prototypeFunctionStructure = PrototypeFunction::createStructure(d()->functionPrototype); - NativeFunctionWrapper* callFunction = 0; - NativeFunctionWrapper* applyFunction = 0; - d()->functionPrototype->addFunctionProperties(exec, d()->prototypeFunctionStructure.get(), &callFunction, &applyFunction); - d()->callFunction = callFunction; - d()->applyFunction = applyFunction; - d()->objectPrototype = new (exec) ObjectPrototype(exec, ObjectPrototype::createStructure(jsNull()), d()->prototypeFunctionStructure.get()); - d()->functionPrototype->structure()->setPrototypeWithoutTransition(d()->objectPrototype); + 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())); - d()->emptyObjectStructure = d()->objectPrototype->inheritorID(); +#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) - d()->functionStructure = JSFunction::createStructure(d()->functionPrototype); - d()->callbackFunctionStructure = JSCallbackFunction::createStructure(d()->functionPrototype); - d()->argumentsStructure = Arguments::createStructure(d()->objectPrototype); - d()->callbackConstructorStructure = JSCallbackConstructor::createStructure(d()->objectPrototype); - d()->callbackObjectStructure = JSCallbackObject::createStructure(d()->objectPrototype); +#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())); - d()->arrayPrototype = new (exec) ArrayPrototype(ArrayPrototype::createStructure(d()->objectPrototype)); - d()->arrayStructure = JSArray::createStructure(d()->arrayPrototype); - d()->regExpMatchesArrayStructure = RegExpMatchesArray::createStructure(d()->arrayPrototype); + FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_SIMPLE_TYPE) - d()->stringPrototype = new (exec) StringPrototype(exec, StringPrototype::createStructure(d()->objectPrototype)); - d()->stringObjectStructure = StringObject::createStructure(d()->stringPrototype); +#undef CREATE_PROTOTYPE_FOR_SIMPLE_TYPE - d()->booleanPrototype = new (exec) BooleanPrototype(exec, BooleanPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get()); - d()->booleanObjectStructure = BooleanObject::createStructure(d()->booleanPrototype); + // Constructors - d()->numberPrototype = new (exec) NumberPrototype(exec, NumberPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get()); - d()->numberObjectStructure = NumberObject::createStructure(d()->numberPrototype); + 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()); - d()->datePrototype = new (exec) DatePrototype(exec, DatePrototype::createStructure(d()->objectPrototype)); - d()->dateStructure = DateInstance::createStructure(d()->datePrototype); + m_regExpConstructor.set(vm, this, RegExpConstructor::create(vm, RegExpConstructor::createStructure(vm, this, m_functionPrototype.get()), m_regExpPrototype.get())); - d()->regExpPrototype = new (exec) RegExpPrototype(exec, RegExpPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get()); - d()->regExpStructure = RegExpObject::createStructure(d()->regExpPrototype); +#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); \ - d()->methodCallDummy = constructEmptyObject(exec); + FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE) - ErrorPrototype* errorPrototype = new (exec) ErrorPrototype(exec, ErrorPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get()); - d()->errorStructure = ErrorInstance::createStructure(errorPrototype); +#undef CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE - RefPtr nativeErrorPrototypeStructure = NativeErrorPrototype::createStructure(errorPrototype); + m_errorConstructor.set(vm, this, errorConstructor); - NativeErrorPrototype* evalErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "EvalError", "EvalError"); - NativeErrorPrototype* rangeErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "RangeError", "RangeError"); - NativeErrorPrototype* referenceErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "ReferenceError", "ReferenceError"); - NativeErrorPrototype* syntaxErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "SyntaxError", "SyntaxError"); - NativeErrorPrototype* typeErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "TypeError", "TypeError"); - NativeErrorPrototype* URIErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "URIError", "URIError"); + 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 - // Constructors + 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 = new (exec) ObjectConstructor(exec, ObjectConstructor::createStructure(d()->functionPrototype), d()->objectPrototype); - JSCell* functionConstructor = new (exec) FunctionConstructor(exec, FunctionConstructor::createStructure(d()->functionPrototype), d()->functionPrototype); - JSCell* arrayConstructor = new (exec) ArrayConstructor(exec, ArrayConstructor::createStructure(d()->functionPrototype), d()->arrayPrototype); - JSCell* stringConstructor = new (exec) StringConstructor(exec, StringConstructor::createStructure(d()->functionPrototype), d()->prototypeFunctionStructure.get(), d()->stringPrototype); - JSCell* booleanConstructor = new (exec) BooleanConstructor(exec, BooleanConstructor::createStructure(d()->functionPrototype), d()->booleanPrototype); - JSCell* numberConstructor = new (exec) NumberConstructor(exec, NumberConstructor::createStructure(d()->functionPrototype), d()->numberPrototype); - JSCell* dateConstructor = new (exec) DateConstructor(exec, DateConstructor::createStructure(d()->functionPrototype), d()->prototypeFunctionStructure.get(), d()->datePrototype); - - d()->regExpConstructor = new (exec) RegExpConstructor(exec, RegExpConstructor::createStructure(d()->functionPrototype), d()->regExpPrototype); - - d()->errorConstructor = new (exec) ErrorConstructor(exec, ErrorConstructor::createStructure(d()->functionPrototype), errorPrototype); - - RefPtr nativeErrorStructure = NativeErrorConstructor::createStructure(d()->functionPrototype); - - d()->evalErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, evalErrorPrototype); - d()->rangeErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, rangeErrorPrototype); - d()->referenceErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, referenceErrorPrototype); - d()->syntaxErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, syntaxErrorPrototype); - d()->typeErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, typeErrorPrototype); - d()->URIErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, URIErrorPrototype); - - d()->objectPrototype->putDirectFunctionWithoutTransition(exec->propertyNames().constructor, objectConstructor, DontEnum); - d()->functionPrototype->putDirectFunctionWithoutTransition(exec->propertyNames().constructor, functionConstructor, DontEnum); - d()->arrayPrototype->putDirectFunctionWithoutTransition(exec->propertyNames().constructor, arrayConstructor, DontEnum); - d()->booleanPrototype->putDirectFunctionWithoutTransition(exec->propertyNames().constructor, booleanConstructor, DontEnum); - d()->stringPrototype->putDirectFunctionWithoutTransition(exec->propertyNames().constructor, stringConstructor, DontEnum); - d()->numberPrototype->putDirectFunctionWithoutTransition(exec->propertyNames().constructor, numberConstructor, DontEnum); - d()->datePrototype->putDirectFunctionWithoutTransition(exec->propertyNames().constructor, dateConstructor, DontEnum); - d()->regExpPrototype->putDirectFunctionWithoutTransition(exec->propertyNames().constructor, d()->regExpConstructor, DontEnum); - errorPrototype->putDirectFunctionWithoutTransition(exec->propertyNames().constructor, d()->errorConstructor, DontEnum); - - evalErrorPrototype->putDirect(exec->propertyNames().constructor, d()->evalErrorConstructor, DontEnum); - rangeErrorPrototype->putDirect(exec->propertyNames().constructor, d()->rangeErrorConstructor, DontEnum); - referenceErrorPrototype->putDirect(exec->propertyNames().constructor, d()->referenceErrorConstructor, DontEnum); - syntaxErrorPrototype->putDirect(exec->propertyNames().constructor, d()->syntaxErrorConstructor, DontEnum); - typeErrorPrototype->putDirect(exec->propertyNames().constructor, d()->typeErrorConstructor, DontEnum); - URIErrorPrototype->putDirect(exec->propertyNames().constructor, d()->URIErrorConstructor, DontEnum); - - // Set global constructors - - // FIXME: These properties could be handled by a static hash table. - - putDirectFunctionWithoutTransition(Identifier(exec, "Object"), objectConstructor, DontEnum); - putDirectFunctionWithoutTransition(Identifier(exec, "Function"), functionConstructor, DontEnum); - putDirectFunctionWithoutTransition(Identifier(exec, "Array"), arrayConstructor, DontEnum); - putDirectFunctionWithoutTransition(Identifier(exec, "Boolean"), booleanConstructor, DontEnum); - putDirectFunctionWithoutTransition(Identifier(exec, "String"), stringConstructor, DontEnum); - putDirectFunctionWithoutTransition(Identifier(exec, "Number"), numberConstructor, DontEnum); - putDirectFunctionWithoutTransition(Identifier(exec, "Date"), dateConstructor, DontEnum); - putDirectFunctionWithoutTransition(Identifier(exec, "RegExp"), d()->regExpConstructor, DontEnum); - putDirectFunctionWithoutTransition(Identifier(exec, "Error"), d()->errorConstructor, DontEnum); - putDirectFunctionWithoutTransition(Identifier(exec, "EvalError"), d()->evalErrorConstructor); - putDirectFunctionWithoutTransition(Identifier(exec, "RangeError"), d()->rangeErrorConstructor); - putDirectFunctionWithoutTransition(Identifier(exec, "ReferenceError"), d()->referenceErrorConstructor); - putDirectFunctionWithoutTransition(Identifier(exec, "SyntaxError"), d()->syntaxErrorConstructor); - putDirectFunctionWithoutTransition(Identifier(exec, "TypeError"), d()->typeErrorConstructor); - putDirectFunctionWithoutTransition(Identifier(exec, "URIError"), d()->URIErrorConstructor); - - // Set global values. + 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"), new (exec) MathObject(exec, MathObject::createStructure(d()->objectPrototype)), DontEnum | DontDelete), - GlobalPropertyInfo(Identifier(exec, "NaN"), jsNaN(exec), DontEnum | DontDelete), - GlobalPropertyInfo(Identifier(exec, "Infinity"), jsNumber(exec, Inf), DontEnum | DontDelete), - GlobalPropertyInfo(Identifier(exec, "undefined"), jsUndefined(), DontEnum | DontDelete), - GlobalPropertyInfo(Identifier(exec, "JSON"), new (exec) JSONObject(JSONObject::createStructure(d()->objectPrototype)), DontEnum | DontDelete) + 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); + } - addStaticGlobals(staticGlobals, sizeof(staticGlobals) / sizeof(GlobalPropertyInfo)); - - // Set global functions. - - d()->evalFunction = new (exec) GlobalEvalFunction(exec, GlobalEvalFunction::createStructure(d()->functionPrototype), 1, exec->propertyNames().eval, globalFuncEval, this); - putDirectFunctionWithoutTransition(exec, d()->evalFunction, DontEnum); - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 2, Identifier(exec, "parseInt"), globalFuncParseInt), DontEnum); - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "parseFloat"), globalFuncParseFloat), DontEnum); - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "isNaN"), globalFuncIsNaN), DontEnum); - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "isFinite"), globalFuncIsFinite), DontEnum); - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "escape"), globalFuncEscape), DontEnum); - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "unescape"), globalFuncUnescape), DontEnum); - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "decodeURI"), globalFuncDecodeURI), DontEnum); - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "decodeURIComponent"), globalFuncDecodeURIComponent), DontEnum); - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "encodeURI"), globalFuncEncodeURI), DontEnum); - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "encodeURIComponent"), globalFuncEncodeURIComponent), DontEnum); -#ifndef NDEBUG - putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, d()->prototypeFunctionStructure.get(), 1, Identifier(exec, "jscprint"), globalFuncJSCPrint), DontEnum); -#endif + resetPrototype(vm, prototype); +} + +// Private namespace for helpers for JSGlobalObject::haveABadTime() +namespace { - resetPrototype(prototype); +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) +{ } -// Set prototype, and also insert the object prototype at the end of the chain. -void JSGlobalObject::resetPrototype(JSValue prototype) +inline bool hasBrokenIndexing(JSObject* object) { - setPrototype(prototype); + // 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); +} - JSObject* oldLastInPrototypeChain = lastInPrototypeChain(this); - JSObject* objectPrototype = d()->objectPrototype; - if (oldLastInPrototypeChain != objectPrototype) - oldLastInPrototypeChain->setPrototype(objectPrototype); +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); } -void JSGlobalObject::mark() +} // end private namespace for helpers for JSGlobalObject::haveABadTime() + +void JSGlobalObject::haveABadTime(VM& vm) { - JSVariableObject::mark(); + ASSERT(&vm == &this->vm()); - HashSet::const_iterator end = codeBlocks().end(); - for (HashSet::const_iterator it = codeBlocks().begin(); it != end; ++it) - (*it)->mark(); - - RegisterFile& registerFile = globalData()->interpreter->registerFile(); - if (registerFile.globalObject() == this) - registerFile.markGlobals(&globalData()->heap); - - markIfNeeded(d()->regExpConstructor); - markIfNeeded(d()->errorConstructor); - markIfNeeded(d()->evalErrorConstructor); - markIfNeeded(d()->rangeErrorConstructor); - markIfNeeded(d()->referenceErrorConstructor); - markIfNeeded(d()->syntaxErrorConstructor); - markIfNeeded(d()->typeErrorConstructor); - markIfNeeded(d()->URIErrorConstructor); - - markIfNeeded(d()->evalFunction); - markIfNeeded(d()->callFunction); - markIfNeeded(d()->applyFunction); - - markIfNeeded(d()->objectPrototype); - markIfNeeded(d()->functionPrototype); - markIfNeeded(d()->arrayPrototype); - markIfNeeded(d()->booleanPrototype); - markIfNeeded(d()->stringPrototype); - markIfNeeded(d()->numberPrototype); - markIfNeeded(d()->datePrototype); - markIfNeeded(d()->regExpPrototype); - - markIfNeeded(d()->methodCallDummy); - - markIfNeeded(d()->errorStructure); - - // No need to mark the other structures, because their prototypes are all - // guaranteed to be referenced elsewhere. - - Register* registerArray = d()->registerArray.get(); - if (!registerArray) + 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(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()); + COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag); + ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren()); + 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 - size_t size = d()->registerArraySize; - for (size_t i = 0; i < size; ++i) { - Register& r = registerArray[i]; - if (!r.marked()) - r.mark(); + 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); } } +JSValue JSGlobalObject::toThis(JSCell*, ExecState* exec, ECMAMode ecmaMode) +{ + if (ecmaMode == StrictMode) + return jsUndefined(); + return exec->globalThisValue(); +} + ExecState* JSGlobalObject::globalExec() { - return CallFrame::create(d()->globalCallFrame + RegisterFile::CallFrameHeaderSize); + return CallFrame::create(m_globalCallFrame); } -bool JSGlobalObject::isDynamicScope() const +void JSGlobalObject::addStaticGlobals(GlobalPropertyInfo* globals, int count) { - return true; + addRegisters(count); + + for (int i = 0; i < count; ++i) { + GlobalPropertyInfo& global = globals[i]; + ASSERT(global.attributes & DontDelete); + + int index = symbolTable()->size(); + SymbolTableEntry newEntry(index, global.attributes); + symbolTable()->add(global.identifier.impl(), newEntry); + registerAt(index).set(vm(), this, global.value); + } } -void JSGlobalObject::copyGlobalsFrom(RegisterFile& registerFile) +bool JSGlobalObject::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot) { - ASSERT(!d()->registerArray); - ASSERT(!d()->registerArraySize); + JSGlobalObject* thisObject = jsCast(object); + if (getStaticFunctionSlot(exec, ExecState::globalObjectTable(exec->vm()), thisObject, propertyName, slot)) + return true; + return symbolTableGet(thisObject, propertyName, slot); +} - int numGlobals = registerFile.numGlobals(); - if (!numGlobals) { - d()->registers = 0; - return; +void JSGlobalObject::clearRareData(JSCell* cell) +{ + jsCast(cell)->m_rareData.clear(); +} + +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; + 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; } - Register* registerArray = copyRegisterArray(registerFile.lastGlobal(), numGlobals); - setRegisters(registerArray + numGlobals, registerArray, numGlobals); + return unlinkedCodeBlock; } -void JSGlobalObject::copyGlobalsTo(RegisterFile& registerFile) +UnlinkedEvalCodeBlock* JSGlobalObject::createEvalCodeBlock(CallFrame* callFrame, EvalExecutable* executable) { - JSGlobalObject* lastGlobalObject = registerFile.globalObject(); - if (lastGlobalObject && lastGlobalObject != this) - lastGlobalObject->copyGlobalsFrom(registerFile); + 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; + } - registerFile.setGlobalObject(this); - registerFile.setNumGlobals(symbolTable().size()); + return unlinkedCodeBlock; +} - if (d()->registerArray) { - memcpy(registerFile.start() - d()->registerArraySize, d()->registerArray.get(), d()->registerArraySize * sizeof(Register)); - setRegisters(registerFile.start(), 0, 0); - } +void JSGlobalObject::setRemoteDebuggingEnabled(bool enabled) +{ +#if ENABLE(REMOTE_INSPECTOR) + m_inspectorDebuggable->setRemoteDebuggingAllowed(enabled); +#else + UNUSED_PARAM(enabled); +#endif } -void* JSGlobalObject::operator new(size_t size, JSGlobalData* globalData) +bool JSGlobalObject::remoteDebuggingEnabled() const { -#ifdef JAVASCRIPTCORE_BUILDING_ALL_IN_ONE_FILE - return globalData->heap.inlineAllocate(size); +#if ENABLE(REMOTE_INSPECTOR) + return m_inspectorDebuggable->remoteDebuggingAllowed(); #else - return globalData->heap.allocate(size); + 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.seedUnsafe()); + else if (cursor.isReplaying()) { + if (SetRandomSeed* input = cursor.fetchInput()) + m_weakRandom.initializeSeed(static_cast(input->randomSeed())); + } +} +#endif + +void JSGlobalObject::setName(const String& name) +{ + m_name = name; + +#if ENABLE(REMOTE_INSPECTOR) + m_inspectorDebuggable->update(); +#endif +} + +void JSGlobalObject::queueMicrotask(PassRefPtr task) +{ + if (globalObjectMethodTable()->queueTaskToEventLoop) + globalObjectMethodTable()->queueTaskToEventLoop(this, task); + else + WTFLogAlways("ERROR: Event loop not supported."); +} + } // namespace JSC