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chromium / external / github.com / WebKit / webkit / 33fc6c13cca7888b04c108a437a842869c9f90aa / . / Source / JavaScriptCore / runtime / JSGlobalObject.cpp
blob: bd666b9b10a0fc60c7383f9b9df68c4f317a1210 [file] [log] [blame]
/*
* Copyright (C) 2007-2009, 2014-2016 Apple Inc. All rights reserved.
* Copyright (C) 2008 Cameron Zwarich (cwzwarich@uwaterloo.ca)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSGlobalObject.h"
#include "ArrayConstructor.h"
#include "ArrayIteratorAdaptiveWatchpoint.h"
#include "ArrayIteratorPrototype.h"
#include "ArrayPrototype.h"
#include "AtomicsObject.h"
#include "AsyncFunctionConstructor.h"
#include "AsyncFunctionPrototype.h"
#include "BooleanConstructor.h"
#include "BooleanPrototype.h"
#include "BuiltinNames.h"
#include "ClonedArguments.h"
#include "CodeBlock.h"
#include "CodeCache.h"
#include "ConsoleObject.h"
#include "DateConstructor.h"
#include "DatePrototype.h"
#include "Debugger.h"
#include "DebuggerScope.h"
#include "DirectArguments.h"
#include "DirectEvalExecutable.h"
#include "ECMAScriptSpecInternalFunctions.h"
#include "Error.h"
#include "ErrorConstructor.h"
#include "ErrorPrototype.h"
#include "FunctionConstructor.h"
#include "FunctionPrototype.h"
#include "GeneratorFunctionConstructor.h"
#include "GeneratorFunctionPrototype.h"
#include "GeneratorPrototype.h"
#include "GetterSetter.h"
#include "HeapIterationScope.h"
#include "IndirectEvalExecutable.h"
#include "InspectorInstrumentationObject.h"
#include "Interpreter.h"
#include "IteratorPrototype.h"
#include "JSAPIWrapperObject.h"
#include "JSArrayBuffer.h"
#include "JSArrayBufferConstructor.h"
#include "JSArrayBufferPrototype.h"
#include "JSAsyncFunction.h"
#include "JSBoundFunction.h"
#include "JSCInlines.h"
#include "JSCallbackConstructor.h"
#include "JSCallbackFunction.h"
#include "JSCallbackObject.h"
#include "JSCustomGetterSetterFunction.h"
#include "JSDataView.h"
#include "JSDataViewPrototype.h"
#include "JSDollarVM.h"
#include "JSDollarVMPrototype.h"
#include "JSFixedArray.h"
#include "JSFunction.h"
#include "JSGeneratorFunction.h"
#include "JSGenericTypedArrayViewConstructorInlines.h"
#include "JSGenericTypedArrayViewInlines.h"
#include "JSGenericTypedArrayViewPrototypeInlines.h"
#include "JSGlobalObjectFunctions.h"
#include "JSInternalPromise.h"
#include "JSInternalPromiseConstructor.h"
#include "JSInternalPromisePrototype.h"
#include "JSJob.h"
#include "JSLexicalEnvironment.h"
#include "JSLock.h"
#include "JSMap.h"
#include "JSMapIterator.h"
#include "JSModuleEnvironment.h"
#include "JSModuleLoader.h"
#include "JSModuleNamespaceObject.h"
#include "JSModuleRecord.h"
#include "JSNativeStdFunction.h"
#include "JSONObject.h"
#include "JSPromise.h"
#include "JSPromiseConstructor.h"
#include "JSPromisePrototype.h"
#include "JSPropertyNameIterator.h"
#include "JSSet.h"
#include "JSSetIterator.h"
#include "JSStringIterator.h"
#include "JSTemplateRegistryKey.h"
#include "JSTypedArrayConstructors.h"
#include "JSTypedArrayPrototypes.h"
#include "JSTypedArrayViewConstructor.h"
#include "JSTypedArrayViewPrototype.h"
#include "JSTypedArrays.h"
#include "JSWeakMap.h"
#include "JSWeakSet.h"
#include "JSWebAssembly.h"
#include "JSWebAssemblyCallee.h"
#include "JSWithScope.h"
#include "LazyClassStructureInlines.h"
#include "LazyPropertyInlines.h"
#include "Lookup.h"
#include "MapConstructor.h"
#include "MapIteratorPrototype.h"
#include "MapPrototype.h"
#include "MarkedSpaceInlines.h"
#include "MathObject.h"
#include "Microtask.h"
#include "ModuleLoaderPrototype.h"
#include "NativeErrorConstructor.h"
#include "NativeErrorPrototype.h"
#include "NullGetterFunction.h"
#include "NullSetterFunction.h"
#include "NumberConstructor.h"
#include "NumberPrototype.h"
#include "ObjCCallbackFunction.h"
#include "ObjectConstructor.h"
#include "ObjectPropertyConditionSet.h"
#include "ObjectPrototype.h"
#include "ParserError.h"
#include "ProxyConstructor.h"
#include "ProxyObject.h"
#include "ProxyRevoke.h"
#include "ReflectObject.h"
#include "RegExpConstructor.h"
#include "RegExpMatchesArray.h"
#include "RegExpObject.h"
#include "RegExpPrototype.h"
#include "ScopedArguments.h"
#include "SetConstructor.h"
#include "SetIteratorPrototype.h"
#include "SetPrototype.h"
#include "StrictEvalActivation.h"
#include "StringConstructor.h"
#include "StringIteratorPrototype.h"
#include "StringPrototype.h"
#include "Symbol.h"
#include "SymbolConstructor.h"
#include "SymbolPrototype.h"
#include "VariableWriteFireDetail.h"
#include "WeakGCMapInlines.h"
#include "WeakMapConstructor.h"
#include "WeakMapPrototype.h"
#include "WeakSetConstructor.h"
#include "WeakSetPrototype.h"
#include <wtf/RandomNumber.h>
#if ENABLE(INTL)
#include "IntlObject.h"
#include <unicode/ucol.h>
#include <unicode/udat.h>
#include <unicode/unum.h>
#endif // ENABLE(INTL)
#if ENABLE(REMOTE_INSPECTOR)
#include "JSGlobalObjectDebuggable.h"
#include "JSGlobalObjectInspectorController.h"
#endif
#if ENABLE(WEB_REPLAY)
#include "EmptyInputCursor.h"
#include "JSReplayInputs.h"
#endif
namespace JSC {
static JSValue createProxyProperty(VM& vm, JSObject* object)
{
JSGlobalObject* global = jsCast<JSGlobalObject*>(object);
return ProxyConstructor::create(vm, ProxyConstructor::createStructure(vm, global, global->functionPrototype()));
}
static JSValue createJSONProperty(VM& vm, JSObject* object)
{
JSGlobalObject* global = jsCast<JSGlobalObject*>(object);
return JSONObject::create(vm, JSONObject::createStructure(vm, global, global->objectPrototype()));
}
static JSValue createMathProperty(VM& vm, JSObject* object)
{
JSGlobalObject* global = jsCast<JSGlobalObject*>(object);
return MathObject::create(vm, global, MathObject::createStructure(vm, global, global->objectPrototype()));
}
static JSValue createConsoleProperty(VM& vm, JSObject* object)
{
JSGlobalObject* global = jsCast<JSGlobalObject*>(object);
return ConsoleObject::create(vm, global, ConsoleObject::createStructure(vm, global, constructEmptyObject(global->globalExec())));
}
static JSValue createAtomicsProperty(VM& vm, JSObject* object)
{
JSGlobalObject* global = jsCast<JSGlobalObject*>(object);
return AtomicsObject::create(vm, global, AtomicsObject::createStructure(vm, global, global->objectPrototype()));
}
static EncodedJSValue JSC_HOST_CALL makeBoundFunction(ExecState* exec)
{
VM& vm = exec->vm();
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
JSObject* target = asObject(exec->uncheckedArgument(0));
JSValue boundThis = exec->uncheckedArgument(1);
JSValue boundArgs = exec->uncheckedArgument(2);
JSValue length = exec->uncheckedArgument(3);
JSString* name = asString(exec->uncheckedArgument(4));
return JSValue::encode(JSBoundFunction::create(
vm, exec, globalObject, target, boundThis, boundArgs.isCell() ? jsCast<JSArray*>(boundArgs) : nullptr, length.asInt32(), name->value(exec)));
}
static EncodedJSValue JSC_HOST_CALL hasOwnLengthProperty(ExecState* exec)
{
VM& vm = exec->vm();
JSObject* target = asObject(exec->uncheckedArgument(0));
return JSValue::encode(jsBoolean(target->hasOwnProperty(exec, vm.propertyNames->length)));
}
} // namespace JSC
#include "JSGlobalObject.lut.h"
namespace JSC {
const ClassInfo JSGlobalObject::s_info = { "GlobalObject", &Base::s_info, &globalObjectTable, CREATE_METHOD_TABLE(JSGlobalObject) };
const GlobalObjectMethodTable JSGlobalObject::s_globalObjectMethodTable = {
&supportsRichSourceInfo,
&shouldInterruptScript,
&javaScriptRuntimeFlags,
nullptr,
&shouldInterruptScriptBeforeTimeout,
nullptr,
nullptr,
nullptr,
nullptr,
nullptr
};
/* Source for JSGlobalObject.lut.h
@begin globalObjectTable
parseFloat globalFuncParseFloat DontEnum|Function 1
isNaN JSBuiltin DontEnum|Function 1
isFinite JSBuiltin DontEnum|Function 1
escape globalFuncEscape DontEnum|Function 1
unescape globalFuncUnescape DontEnum|Function 1
decodeURI globalFuncDecodeURI DontEnum|Function 1
decodeURIComponent globalFuncDecodeURIComponent DontEnum|Function 1
encodeURI globalFuncEncodeURI DontEnum|Function 1
encodeURIComponent globalFuncEncodeURIComponent DontEnum|Function 1
EvalError JSGlobalObject::m_evalErrorConstructor DontEnum|CellProperty
ReferenceError JSGlobalObject::m_referenceErrorConstructor DontEnum|CellProperty
SyntaxError JSGlobalObject::m_syntaxErrorConstructor DontEnum|CellProperty
URIError JSGlobalObject::m_URIErrorConstructor DontEnum|CellProperty
Proxy createProxyProperty DontEnum|PropertyCallback
JSON createJSONProperty DontEnum|PropertyCallback
Math createMathProperty DontEnum|PropertyCallback
Atomics createAtomicsProperty DontEnum|PropertyCallback
console createConsoleProperty DontEnum|PropertyCallback
Int8Array JSGlobalObject::m_typedArrayInt8 DontEnum|ClassStructure
Int16Array JSGlobalObject::m_typedArrayInt16 DontEnum|ClassStructure
Int32Array JSGlobalObject::m_typedArrayInt32 DontEnum|ClassStructure
Uint8Array JSGlobalObject::m_typedArrayUint8 DontEnum|ClassStructure
Uint8ClampedArray JSGlobalObject::m_typedArrayUint8Clamped DontEnum|ClassStructure
Uint16Array JSGlobalObject::m_typedArrayUint16 DontEnum|ClassStructure
Uint32Array JSGlobalObject::m_typedArrayUint32 DontEnum|ClassStructure
Float32Array JSGlobalObject::m_typedArrayFloat32 DontEnum|ClassStructure
Float64Array JSGlobalObject::m_typedArrayFloat64 DontEnum|ClassStructure
DataView JSGlobalObject::m_typedArrayDataView DontEnum|ClassStructure
Set JSGlobalObject::m_setStructure DontEnum|ClassStructure
Date JSGlobalObject::m_dateStructure DontEnum|ClassStructure
Boolean JSGlobalObject::m_booleanObjectStructure DontEnum|ClassStructure
Number JSGlobalObject::m_numberObjectStructure DontEnum|ClassStructure
WeakMap JSGlobalObject::m_weakMapStructure DontEnum|ClassStructure
WeakSet JSGlobalObject::m_weakSetStructure DontEnum|ClassStructure
@end
*/
static EncodedJSValue JSC_HOST_CALL getTemplateObject(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
ASSERT(thisValue.inherits(JSTemplateRegistryKey::info()));
return JSValue::encode(exec->lexicalGlobalObject()->templateRegistry().getTemplateObject(exec, jsCast<JSTemplateRegistryKey*>(thisValue)));
}
static EncodedJSValue JSC_HOST_CALL enqueueJob(ExecState* exec)
{
VM& vm = exec->vm();
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
JSValue job = exec->argument(0);
JSValue arguments = exec->argument(1);
ASSERT(arguments.inherits(JSArray::info()));
globalObject->queueMicrotask(createJSJob(vm, job, jsCast<JSArray*>(arguments)));
return JSValue::encode(jsUndefined());
}
JSGlobalObject::JSGlobalObject(VM& vm, Structure* structure, const GlobalObjectMethodTable* globalObjectMethodTable)
: Base(vm, structure, 0)
, m_vm(vm)
#if ENABLE(WEB_REPLAY)
, m_inputCursor(EmptyInputCursor::create())
#endif
, m_masqueradesAsUndefinedWatchpoint(adoptRef(new WatchpointSet(IsWatched)))
, m_havingABadTimeWatchpoint(adoptRef(new WatchpointSet(IsWatched)))
, m_varInjectionWatchpoint(adoptRef(new WatchpointSet(IsWatched)))
, m_weakRandom(Options::forceWeakRandomSeed() ? Options::forcedWeakRandomSeed() : static_cast<unsigned>(randomNumber() * (std::numeric_limits<unsigned>::max() + 1.0)))
, m_arrayIteratorProtocolWatchpoint(IsWatched)
, m_templateRegistry(vm)
, m_evalEnabled(true)
, m_runtimeFlags()
, m_consoleClient(nullptr)
, m_globalObjectMethodTable(globalObjectMethodTable ? globalObjectMethodTable : &s_globalObjectMethodTable)
{
}
JSGlobalObject::~JSGlobalObject()
{
#if ENABLE(REMOTE_INSPECTOR)
m_inspectorController->globalObjectDestroyed();
#endif
if (m_debugger)
m_debugger->detach(this, Debugger::GlobalObjectIsDestructing);
}
void JSGlobalObject::destroy(JSCell* cell)
{
static_cast<JSGlobalObject*>(cell)->JSGlobalObject::~JSGlobalObject();
}
void JSGlobalObject::setGlobalThis(VM& vm, JSObject* globalThis)
{
m_globalThis.set(vm, this, globalThis);
}
static JSObject* getGetterById(ExecState* exec, JSObject* base, const Identifier& ident)
{
JSValue baseValue = JSValue(base);
PropertySlot slot(baseValue, PropertySlot::InternalMethodType::VMInquiry);
baseValue.getPropertySlot(exec, ident, slot);
return slot.getPureResult().toObject(exec);
}
void JSGlobalObject::init(VM& vm)
{
ASSERT(vm.currentThreadIsHoldingAPILock());
auto catchScope = DECLARE_CATCH_SCOPE(vm);
Base::setStructure(vm, Structure::toCacheableDictionaryTransition(vm, structure()));
m_debugger = 0;
#if ENABLE(REMOTE_INSPECTOR)
m_inspectorController = std::make_unique<Inspector::JSGlobalObjectInspectorController>(*this);
m_inspectorDebuggable = std::make_unique<JSGlobalObjectDebuggable>(*this);
m_inspectorDebuggable->init();
m_consoleClient = m_inspectorController->consoleClient();
#endif
m_functionPrototype.set(vm, this, FunctionPrototype::create(vm, FunctionPrototype::createStructure(vm, this, jsNull()))); // The real prototype will be set once ObjectPrototype is created.
m_calleeStructure.set(vm, this, JSCallee::createStructure(vm, this, jsNull()));
m_globalLexicalEnvironment.set(vm, this, JSGlobalLexicalEnvironment::create(vm, JSGlobalLexicalEnvironment::createStructure(vm, this), this));
// Need to create the callee structure (above) before creating the callee.
JSCallee* globalCallee = JSCallee::create(vm, this, globalScope());
m_globalCallee.set(vm, this, globalCallee);
ExecState::initGlobalExec(JSGlobalObject::globalExec(), globalCallee);
ExecState* exec = JSGlobalObject::globalExec();
m_functionStructure.set(vm, this, JSFunction::createStructure(vm, this, m_functionPrototype.get()));
m_customGetterSetterFunctionStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(JSCustomGetterSetterFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()));
});
m_boundFunctionStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(JSBoundFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()));
});
m_getterSetterStructure.set(vm, this, GetterSetter::createStructure(vm, this, jsNull()));
m_nativeStdFunctionStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(JSNativeStdFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()));
});
m_namedFunctionStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(Structure::addPropertyTransition(init.vm, init.owner->m_functionStructure.get(), init.vm.propertyNames->name, DontDelete | ReadOnly | DontEnum, init.owner->m_functionNameOffset));
});
JSFunction* callFunction = 0;
JSFunction* applyFunction = 0;
JSFunction* hasInstanceSymbolFunction = 0;
m_functionPrototype->addFunctionProperties(exec, this, &callFunction, &applyFunction, &hasInstanceSymbolFunction);
m_callFunction.set(vm, this, callFunction);
m_applyFunction.set(vm, this, applyFunction);
m_arrayProtoToStringFunction.initLater(
[] (const Initializer<JSFunction>& init) {
init.set(JSFunction::create(init.vm, init.owner, 0, init.vm.propertyNames->toString.string(), arrayProtoFuncToString, NoIntrinsic));
});
m_arrayProtoValuesFunction.initLater(
[] (const Initializer<JSFunction>& init) {
init.set(JSFunction::createBuiltinFunction(init.vm, arrayPrototypeValuesCodeGenerator(init.vm), init.owner));
});
m_initializePromiseFunction.initLater(
[] (const Initializer<JSFunction>& init) {
init.set(JSFunction::createBuiltinFunction(init.vm, promiseOperationsInitializePromiseCodeGenerator(init.vm), init.owner));
});
m_iteratorProtocolFunction.initLater(
[] (const Initializer<JSFunction>& init) {
init.set(JSFunction::createBuiltinFunction(init.vm, iteratorHelpersPerformIterationCodeGenerator(init.vm), init.owner));
});
m_newPromiseCapabilityFunction.set(vm, this, JSFunction::createBuiltinFunction(vm, promiseOperationsNewPromiseCapabilityCodeGenerator(vm), this));
m_functionProtoHasInstanceSymbolFunction.set(vm, this, hasInstanceSymbolFunction);
m_throwTypeErrorGetterSetter.initLater(
[] (const Initializer<GetterSetter>& init) {
JSFunction* thrower = init.owner->throwTypeErrorFunction();
GetterSetter* getterSetter = GetterSetter::create(init.vm, init.owner);
getterSetter->setGetter(init.vm, init.owner, thrower);
getterSetter->setSetter(init.vm, init.owner, thrower);
init.set(getterSetter);
});
m_nullGetterFunction.set(vm, this, NullGetterFunction::create(vm, NullGetterFunction::createStructure(vm, this, m_functionPrototype.get())));
m_nullSetterFunction.set(vm, this, NullSetterFunction::create(vm, NullSetterFunction::createStructure(vm, this, m_functionPrototype.get())));
m_objectPrototype.set(vm, this, ObjectPrototype::create(vm, this, ObjectPrototype::createStructure(vm, this, jsNull())));
GetterSetter* protoAccessor = GetterSetter::create(vm, this);
protoAccessor->setGetter(vm, this, JSFunction::create(vm, this, 0, makeString("get ", vm.propertyNames->underscoreProto.string()), globalFuncProtoGetter));
protoAccessor->setSetter(vm, this, JSFunction::create(vm, this, 0, makeString("set ", vm.propertyNames->underscoreProto.string()), globalFuncProtoSetter));
m_objectPrototype->putDirectNonIndexAccessor(vm, vm.propertyNames->underscoreProto, protoAccessor, Accessor | DontEnum);
m_functionPrototype->structure()->setPrototypeWithoutTransition(vm, m_objectPrototype.get());
m_objectStructureForObjectConstructor.set(vm, this, vm.prototypeMap.emptyObjectStructureForPrototype(m_objectPrototype.get(), JSFinalObject::defaultInlineCapacity()));
JSFunction* thrower = JSFunction::create(vm, this, 0, String(), globalFuncThrowTypeErrorArgumentsCalleeAndCaller);
GetterSetter* getterSetter = GetterSetter::create(vm, this);
getterSetter->setGetter(vm, this, thrower);
getterSetter->setSetter(vm, this, thrower);
m_throwTypeErrorArgumentsCalleeAndCallerGetterSetter.set(vm, this, getterSetter);
m_functionPrototype->initRestrictedProperties(exec, this);
m_speciesGetterSetter.set(vm, this, GetterSetter::create(vm, this));
m_speciesGetterSetter->setGetter(vm, this, JSFunction::createBuiltinFunction(vm, globalOperationsSpeciesGetterCodeGenerator(vm), this, "get [Symbol.species]"));
m_typedArrayProto.initLater(
[] (const Initializer<JSTypedArrayViewPrototype>& init) {
init.set(JSTypedArrayViewPrototype::create(init.vm, init.owner, JSTypedArrayViewPrototype::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get())));
// Make sure that the constructor gets initialized, too.
init.owner->m_typedArraySuperConstructor.get(init.owner);
});
m_typedArraySuperConstructor.initLater(
[] (const Initializer<JSTypedArrayViewConstructor>& init) {
JSTypedArrayViewPrototype* prototype = init.owner->m_typedArrayProto.get(init.owner);
JSTypedArrayViewConstructor* constructor = JSTypedArrayViewConstructor::create(init.vm, init.owner, JSTypedArrayViewConstructor::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()), prototype, init.owner->m_speciesGetterSetter.get());
prototype->putDirectWithoutTransition(init.vm, init.vm.propertyNames->constructor, constructor, DontEnum);
init.set(constructor);
});
#define INIT_TYPED_ARRAY_LATER(type) \
m_typedArray ## type.initLater( \
[] (LazyClassStructure::Initializer& init) { \
init.setPrototype(JS ## type ## ArrayPrototype::create(init.vm, init.global, JS ## type ## ArrayPrototype::createStructure(init.vm, init.global, init.global->m_typedArrayProto.get(init.global)))); \
init.setStructure(JS ## type ## Array::createStructure(init.vm, init.global, init.prototype)); \
init.setConstructor(JS ## type ## ArrayConstructor::create(init.vm, init.global, JS ## type ## ArrayConstructor::createStructure(init.vm, init.global, init.global->m_typedArraySuperConstructor.get(init.global)), init.prototype, ASCIILiteral(#type "Array"), typedArrayConstructorAllocate ## type ## ArrayCodeGenerator(init.vm))); \
init.global->putDirectWithoutTransition(init.vm, init.vm.propertyNames->builtinNames().type ## ArrayPrivateName(), init.constructor, DontEnum); \
});
FOR_EACH_TYPED_ARRAY_TYPE_EXCLUDING_DATA_VIEW(INIT_TYPED_ARRAY_LATER)
#undef INIT_TYPED_ARRAY_LATER
m_typedArrayDataView.initLater(
[] (LazyClassStructure::Initializer& init) {
init.setPrototype(JSDataViewPrototype::create(init.vm, JSDataViewPrototype::createStructure(init.vm, init.global, init.global->m_objectPrototype.get())));
init.setStructure(JSDataView::createStructure(init.vm, init.global, init.prototype));
init.setConstructor(JSDataViewConstructor::create(init.vm, init.global, JSDataViewConstructor::createStructure(init.vm, init.global, init.global->m_functionPrototype.get()), init.prototype, ASCIILiteral("DataView"), nullptr));
});
m_lexicalEnvironmentStructure.set(vm, this, JSLexicalEnvironment::createStructure(vm, this));
m_moduleEnvironmentStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(JSModuleEnvironment::createStructure(init.vm, init.owner));
});
m_strictEvalActivationStructure.set(vm, this, StrictEvalActivation::createStructure(vm, this, jsNull()));
m_debuggerScopeStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(DebuggerScope::createStructure(init.vm, init.owner));
});
m_withScopeStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(JSWithScope::createStructure(init.vm, init.owner, jsNull()));
});
m_nullPrototypeObjectStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(JSFinalObject::createStructure(init.vm, init.owner, jsNull(), JSFinalObject::defaultInlineCapacity()));
});
m_callbackFunctionStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(JSCallbackFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()));
});
m_directArgumentsStructure.set(vm, this, DirectArguments::createStructure(vm, this, m_objectPrototype.get()));
m_scopedArgumentsStructure.set(vm, this, ScopedArguments::createStructure(vm, this, m_objectPrototype.get()));
m_clonedArgumentsStructure.set(vm, this, ClonedArguments::createStructure(vm, this, m_objectPrototype.get()));
m_callbackConstructorStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(JSCallbackConstructor::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get()));
});
m_callbackObjectStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(JSCallbackObject<JSDestructibleObject>::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get()));
});
#if JSC_OBJC_API_ENABLED
m_objcCallbackFunctionStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(ObjCCallbackFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()));
});
m_objcWrapperObjectStructure.initLater(
[] (const Initializer<Structure>& init) {
init.set(JSCallbackObject<JSAPIWrapperObject>::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get()));
});
#endif
m_arrayPrototype.set(vm, this, ArrayPrototype::create(vm, this, ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
m_originalArrayStructureForIndexingShape[UndecidedShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithUndecided));
m_originalArrayStructureForIndexingShape[Int32Shape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithInt32));
m_originalArrayStructureForIndexingShape[DoubleShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithDouble));
m_originalArrayStructureForIndexingShape[ContiguousShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithContiguous));
m_originalArrayStructureForIndexingShape[ArrayStorageShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithArrayStorage));
m_originalArrayStructureForIndexingShape[SlowPutArrayStorageShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithSlowPutArrayStorage));
for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
m_arrayStructureForIndexingShapeDuringAllocation[i] = m_originalArrayStructureForIndexingShape[i];
m_regExpPrototype.set(vm, this, RegExpPrototype::create(vm, this, RegExpPrototype::createStructure(vm, this, m_objectPrototype.get())));
m_regExpStructure.set(vm, this, RegExpObject::createStructure(vm, this, m_regExpPrototype.get()));
m_regExpMatchesArrayStructure.set(vm, this, createRegExpMatchesArrayStructure(vm, this));
m_moduleRecordStructure.set(vm, this, JSModuleRecord::createStructure(vm, this, m_objectPrototype.get()));
m_moduleNamespaceObjectStructure.set(vm, this, JSModuleNamespaceObject::createStructure(vm, this, jsNull()));
{
bool isCallable = false;
m_proxyObjectStructure.set(vm, this, ProxyObject::createStructure(vm, this, jsNull(), isCallable));
isCallable = true;
m_callableProxyObjectStructure.set(vm, this, ProxyObject::createStructure(vm, this, jsNull(), isCallable));
}
m_proxyRevokeStructure.set(vm, this, ProxyRevoke::createStructure(vm, this, m_functionPrototype.get()));
m_parseIntFunction.set(vm, this, JSFunction::create(vm, this, 2, vm.propertyNames->parseInt.string(), globalFuncParseInt, NoIntrinsic));
putDirectWithoutTransition(vm, vm.propertyNames->parseInt, m_parseIntFunction.get(), DontEnum);
m_arrayBufferPrototype.set(vm, this, JSArrayBufferPrototype::create(vm, this, JSArrayBufferPrototype::createStructure(vm, this, m_objectPrototype.get()), ArrayBufferSharingMode::Default));
m_arrayBufferStructure.set(vm, this, JSArrayBuffer::createStructure(vm, this, m_arrayBufferPrototype.get()));
m_sharedArrayBufferPrototype.set(vm, this, JSArrayBufferPrototype::create(vm, this, JSArrayBufferPrototype::createStructure(vm, this, m_objectPrototype.get()), ArrayBufferSharingMode::Shared));
m_sharedArrayBufferStructure.set(vm, this, JSArrayBuffer::createStructure(vm, this, m_sharedArrayBufferPrototype.get()));
#define CREATE_PROTOTYPE_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
m_ ## lowerName ## Prototype.set(vm, this, capitalName##Prototype::create(vm, this, capitalName##Prototype::createStructure(vm, this, m_ ## prototypeBase ## Prototype.get()))); \
m_ ## properName ## Structure.set(vm, this, instanceType::createStructure(vm, this, m_ ## lowerName ## Prototype.get()));
FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_SIMPLE_TYPE)
#undef CREATE_PROTOTYPE_FOR_SIMPLE_TYPE
#define CREATE_PROTOTYPE_FOR_LAZY_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
m_ ## properName ## Structure.initLater(\
[] (LazyClassStructure::Initializer& init) { \
init.setPrototype(capitalName##Prototype::create(init.vm, init.global, capitalName##Prototype::createStructure(init.vm, init.global, init.global->m_ ## prototypeBase ## Prototype.get()))); \
init.setStructure(instanceType::createStructure(init.vm, init.global, init.prototype)); \
init.setConstructor(capitalName ## Constructor::create(init.vm, capitalName ## Constructor::createStructure(init.vm, init.global, init.global->m_functionPrototype.get()), jsCast<capitalName ## Prototype*>(init.prototype), init.global->m_speciesGetterSetter.get())); \
});
FOR_EACH_LAZY_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_LAZY_TYPE)
#undef CREATE_PROTOTYPE_FOR_LAZY_TYPE
m_iteratorPrototype.set(vm, this, IteratorPrototype::create(vm, this, IteratorPrototype::createStructure(vm, this, m_objectPrototype.get())));
#define CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
m_ ## lowerName ## Structure.initLater( \
[] (const Initializer<Structure>& init) { \
JSObject* prototype = capitalName ## Prototype::create(init.vm, init.owner, capitalName ## Prototype::createStructure(init.vm, init.owner, init.owner->m_iteratorPrototype.get())); \
init.set(instanceType::createStructure(init.vm, init.owner, prototype)); \
});
FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE)
#undef CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE
m_propertyNameIteratorStructure.set(vm, this, JSPropertyNameIterator::createStructure(vm, this, m_iteratorPrototype.get()));
m_generatorPrototype.set(vm, this, GeneratorPrototype::create(vm, this, GeneratorPrototype::createStructure(vm, this, m_iteratorPrototype.get())));
m_moduleLoaderPrototype.set(vm, this, ModuleLoaderPrototype::create(vm, this, ModuleLoaderPrototype::createStructure(vm, this, m_objectPrototype.get())));
// Constructors
ObjectConstructor* objectConstructor = ObjectConstructor::create(vm, this, ObjectConstructor::createStructure(vm, this, m_functionPrototype.get()), m_objectPrototype.get());
m_objectConstructor.set(vm, this, objectConstructor);
JSFunction* throwTypeErrorFunction = JSFunction::create(vm, this, 0, String(), globalFuncThrowTypeError);
m_throwTypeErrorFunction.set(vm, this, throwTypeErrorFunction);
JSCell* functionConstructor = FunctionConstructor::create(vm, FunctionConstructor::createStructure(vm, this, m_functionPrototype.get()), m_functionPrototype.get());
ArrayConstructor* arrayConstructor = ArrayConstructor::create(vm, this, ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_arrayPrototype.get(), m_speciesGetterSetter.get());
m_arrayConstructor.set(vm, this, arrayConstructor);
m_regExpConstructor.set(vm, this, RegExpConstructor::create(vm, RegExpConstructor::createStructure(vm, this, m_functionPrototype.get()), m_regExpPrototype.get(), m_speciesGetterSetter.get()));
JSArrayBufferConstructor* arrayBufferConstructor = JSArrayBufferConstructor::create(vm, JSArrayBufferConstructor::createStructure(vm, this, m_functionPrototype.get()), m_arrayBufferPrototype.get(), m_speciesGetterSetter.get(), ArrayBufferSharingMode::Default);
m_arrayBufferPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, arrayBufferConstructor, DontEnum);
JSArrayBufferConstructor* sharedArrayBufferConstructor = nullptr;
sharedArrayBufferConstructor = JSArrayBufferConstructor::create(vm, JSArrayBufferConstructor::createStructure(vm, this, m_functionPrototype.get()), m_sharedArrayBufferPrototype.get(), m_speciesGetterSetter.get(), ArrayBufferSharingMode::Shared);
m_sharedArrayBufferPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, sharedArrayBufferConstructor, DontEnum);
#define CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
capitalName ## Constructor* lowerName ## Constructor = capitalName ## Constructor::create(vm, capitalName ## Constructor::createStructure(vm, this, m_functionPrototype.get()), m_ ## lowerName ## Prototype.get(), m_speciesGetterSetter.get()); \
m_ ## lowerName ## Prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, lowerName ## Constructor, DontEnum); \
FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE)
#undef CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE
m_errorConstructor.set(vm, this, errorConstructor);
m_promiseConstructor.set(vm, this, promiseConstructor);
m_internalPromiseConstructor.set(vm, this, internalPromiseConstructor);
m_nativeErrorPrototypeStructure.set(vm, this, NativeErrorPrototype::createStructure(vm, this, m_errorPrototype.get()));
m_nativeErrorStructure.set(vm, this, NativeErrorConstructor::createStructure(vm, this, m_functionPrototype.get()));
m_evalErrorConstructor.initLater(
[] (const Initializer<NativeErrorConstructor>& init) {
init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("EvalError")));
});
m_rangeErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, m_nativeErrorStructure.get(), m_nativeErrorPrototypeStructure.get(), ASCIILiteral("RangeError")));
m_referenceErrorConstructor.initLater(
[] (const Initializer<NativeErrorConstructor>& init) {
init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("ReferenceError")));
});
m_syntaxErrorConstructor.initLater(
[] (const Initializer<NativeErrorConstructor>& init) {
init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("SyntaxError")));
});
m_typeErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, m_nativeErrorStructure.get(), m_nativeErrorPrototypeStructure.get(), ASCIILiteral("TypeError")));
m_URIErrorConstructor.initLater(
[] (const Initializer<NativeErrorConstructor>& init) {
init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("URIError")));
});
m_generatorFunctionPrototype.set(vm, this, GeneratorFunctionPrototype::create(vm, GeneratorFunctionPrototype::createStructure(vm, this, m_functionPrototype.get())));
GeneratorFunctionConstructor* generatorFunctionConstructor = GeneratorFunctionConstructor::create(vm, GeneratorFunctionConstructor::createStructure(vm, this, functionConstructor), m_generatorFunctionPrototype.get());
m_generatorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, generatorFunctionConstructor, DontEnum | ReadOnly);
m_generatorFunctionStructure.set(vm, this, JSGeneratorFunction::createStructure(vm, this, m_generatorFunctionPrototype.get()));
m_generatorPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_generatorFunctionPrototype.get(), DontEnum | ReadOnly);
m_generatorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->prototype, m_generatorPrototype.get(), DontEnum | ReadOnly);
m_asyncFunctionPrototype.set(vm, this, AsyncFunctionPrototype::create(vm, AsyncFunctionPrototype::createStructure(vm, this, m_functionPrototype.get())));
AsyncFunctionConstructor* asyncFunctionConstructor = AsyncFunctionConstructor::create(vm, AsyncFunctionConstructor::createStructure(vm, this, functionConstructor), m_asyncFunctionPrototype.get());
m_asyncFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, asyncFunctionConstructor, DontEnum | ReadOnly);
m_asyncFunctionStructure.set(vm, this, JSAsyncFunction::createStructure(vm, this, m_asyncFunctionPrototype.get()));
m_objectPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, objectConstructor, DontEnum);
m_functionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, functionConstructor, DontEnum);
m_arrayPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, arrayConstructor, DontEnum);
m_regExpPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_regExpConstructor.get(), DontEnum);
putDirectWithoutTransition(vm, vm.propertyNames->Object, objectConstructor, DontEnum);
putDirectWithoutTransition(vm, vm.propertyNames->Function, functionConstructor, DontEnum);
putDirectWithoutTransition(vm, vm.propertyNames->Array, arrayConstructor, DontEnum);
putDirectWithoutTransition(vm, vm.propertyNames->RegExp, m_regExpConstructor.get(), DontEnum);
putDirectWithoutTransition(vm, vm.propertyNames->RangeError, m_rangeErrorConstructor.get(), DontEnum);
putDirectWithoutTransition(vm, vm.propertyNames->TypeError, m_typeErrorConstructor.get(), DontEnum);
putDirectWithoutTransition(vm, vm.propertyNames->builtinNames().ObjectPrivateName(), objectConstructor, DontEnum | DontDelete | ReadOnly);
putDirectWithoutTransition(vm, vm.propertyNames->builtinNames().ArrayPrivateName(), arrayConstructor, DontEnum | DontDelete | ReadOnly);
putDirectWithoutTransition(vm, vm.propertyNames->ArrayBuffer, arrayBufferConstructor, DontEnum);
putDirectWithoutTransition(vm, vm.propertyNames->SharedArrayBuffer, sharedArrayBufferConstructor, DontEnum);
#define PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
putDirectWithoutTransition(vm, vm.propertyNames-> jsName, lowerName ## Constructor, DontEnum); \
FOR_EACH_SIMPLE_BUILTIN_TYPE_WITH_CONSTRUCTOR(PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE)
#undef PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE
m_iteratorResultObjectStructure.set(vm, this, createIteratorResultObjectStructure(vm, *this));
m_evalFunction.set(vm, this, JSFunction::create(vm, this, 1, vm.propertyNames->eval.string(), globalFuncEval));
putDirectWithoutTransition(vm, vm.propertyNames->eval, m_evalFunction.get(), DontEnum);
#if ENABLE(INTL)
IntlObject* intl = IntlObject::create(vm, this, IntlObject::createStructure(vm, this, m_objectPrototype.get()));
putDirectWithoutTransition(vm, vm.propertyNames->Intl, intl, DontEnum);
#endif // ENABLE(INTL)
ReflectObject* reflectObject = ReflectObject::create(vm, this, ReflectObject::createStructure(vm, this, m_objectPrototype.get()));
putDirectWithoutTransition(vm, vm.propertyNames->Reflect, reflectObject, DontEnum);
m_moduleLoaderStructure.set(vm, this, JSModuleLoader::createStructure(vm, this, m_moduleLoaderPrototype.get()));
m_moduleLoader.set(vm, this, JSModuleLoader::create(globalExec(), vm, this, m_moduleLoaderStructure.get()));
if (Options::exposeInternalModuleLoader())
putDirectWithoutTransition(vm, vm.propertyNames->Loader, m_moduleLoader.get(), DontEnum);
JSFunction* builtinLog = JSFunction::create(vm, this, 1, vm.propertyNames->emptyIdentifier.string(), globalFuncBuiltinLog);
JSFunction* privateFuncAbs = JSFunction::create(vm, this, 0, String(), mathProtoFuncAbs, AbsIntrinsic);
JSFunction* privateFuncFloor = JSFunction::create(vm, this, 0, String(), mathProtoFuncFloor, FloorIntrinsic);
JSFunction* privateFuncTrunc = JSFunction::create(vm, this, 0, String(), mathProtoFuncTrunc, TruncIntrinsic);
JSFunction* privateFuncGetTemplateObject = JSFunction::create(vm, this, 0, String(), getTemplateObject);
JSFunction* privateFuncTypedArrayLength = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncLength);
JSFunction* privateFuncTypedArrayGetOriginalConstructor = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncGetOriginalConstructor);
JSFunction* privateFuncTypedArraySort = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncSort);
JSFunction* privateFuncIsTypedArrayView = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncIsTypedArrayView, IsTypedArrayViewIntrinsic);
JSFunction* privateFuncTypedArraySubarrayCreate = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncSubarrayCreate);
JSFunction* privateFuncIsBoundFunction = JSFunction::create(vm, this, 0, String(), isBoundFunction);
JSFunction* privateFuncHasInstanceBoundFunction = JSFunction::create(vm, this, 0, String(), hasInstanceBoundFunction);
JSFunction* privateFuncInstanceOf = JSFunction::create(vm, this, 0, String(), objectPrivateFuncInstanceOf);
JSFunction* privateFuncThisTimeValue = JSFunction::create(vm, this, 0, String(), dateProtoFuncGetTime);
JSFunction* privateFuncThisNumberValue = JSFunction::create(vm, this, 0, String(), numberProtoFuncValueOf);
JSFunction* privateFuncIsArrayConstructor = JSFunction::create(vm, this, 0, String(), arrayConstructorPrivateFuncIsArrayConstructor);
JSFunction* privateFuncIsArraySlow = JSFunction::create(vm, this, 0, String(), arrayConstructorPrivateFuncIsArraySlow);
JSFunction* privateFuncConcatMemcpy = JSFunction::create(vm, this, 0, String(), arrayProtoPrivateFuncConcatMemcpy);
JSFunction* privateFuncAppendMemcpy = JSFunction::create(vm, this, 0, String(), arrayProtoPrivateFuncAppendMemcpy);
JSFunction* privateFuncConcatSlowPath = JSFunction::createBuiltinFunction(vm, arrayPrototypeConcatSlowPathCodeGenerator(vm), this);
JSObject* regExpProtoFlagsGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->flags);
ASSERT_UNUSED(catchScope, !catchScope.exception());
JSObject* regExpProtoGlobalGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->global);
ASSERT(!catchScope.exception());
m_regExpProtoGlobalGetter.set(vm, this, regExpProtoGlobalGetterObject);
JSObject* regExpProtoIgnoreCaseGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->ignoreCase);
ASSERT(!catchScope.exception());
JSObject* regExpProtoMultilineGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->multiline);
ASSERT(!catchScope.exception());
JSObject* regExpProtoSourceGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->source);
ASSERT(!catchScope.exception());
JSObject* regExpProtoStickyGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->sticky);
ASSERT(!catchScope.exception());
JSObject* regExpProtoUnicodeGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->unicode);
ASSERT(!catchScope.exception());
m_regExpProtoUnicodeGetter.set(vm, this, regExpProtoUnicodeGetterObject);
JSObject* builtinRegExpExec = asObject(m_regExpPrototype->getDirect(vm, vm.propertyNames->exec).asCell());
m_regExpProtoExec.set(vm, this, builtinRegExpExec);
JSObject* regExpSymbolReplace = asObject(m_regExpPrototype->getDirect(vm, vm.propertyNames->replaceSymbol).asCell());
m_regExpProtoSymbolReplace.set(vm, this, regExpSymbolReplace);
#define CREATE_PRIVATE_GLOBAL_FUNCTION(name, code) JSFunction* name ## PrivateFunction = JSFunction::createBuiltinFunction(vm, code ## CodeGenerator(vm), this);
JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(CREATE_PRIVATE_GLOBAL_FUNCTION)
#undef CREATE_PRIVATE_GLOBAL_FUNCTION
JSObject* arrayIteratorPrototype = ArrayIteratorPrototype::create(vm, this, ArrayIteratorPrototype::createStructure(vm, this, m_iteratorPrototype.get()));
createArrayIteratorPrivateFunction->putDirect(vm, vm.propertyNames->prototype, arrayIteratorPrototype);
GlobalPropertyInfo staticGlobals[] = {
#define INIT_PRIVATE_GLOBAL(name, code) GlobalPropertyInfo(vm.propertyNames->builtinNames().name ## PrivateName(), name ## PrivateFunction, DontEnum | DontDelete | ReadOnly),
JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(INIT_PRIVATE_GLOBAL)
#undef INIT_PRIVATE_GLOBAL
GlobalPropertyInfo(vm.propertyNames->NaN, jsNaN(), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->Infinity, jsNumber(std::numeric_limits<double>::infinity()), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->undefinedKeyword, jsUndefined(), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().ownEnumerablePropertyKeysPrivateName(), JSFunction::create(vm, this, 0, String(), ownEnumerablePropertyKeys), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().getTemplateObjectPrivateName(), privateFuncGetTemplateObject, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().enqueueJobPrivateName(), JSFunction::create(vm, this, 0, String(), enqueueJob), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().ErrorPrivateName(), m_errorConstructor.get(), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().RangeErrorPrivateName(), m_rangeErrorConstructor.get(), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().TypeErrorPrivateName(), m_typeErrorConstructor.get(), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArrayLengthPrivateName(), privateFuncTypedArrayLength, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArrayGetOriginalConstructorPrivateName(), privateFuncTypedArrayGetOriginalConstructor, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArraySortPrivateName(), privateFuncTypedArraySort, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().isTypedArrayViewPrivateName(), privateFuncIsTypedArrayView, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArraySubarrayCreatePrivateName(), privateFuncTypedArraySubarrayCreate, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().isBoundFunctionPrivateName(), privateFuncIsBoundFunction, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().hasInstanceBoundFunctionPrivateName(), privateFuncHasInstanceBoundFunction, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().instanceOfPrivateName(), privateFuncInstanceOf, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().BuiltinLogPrivateName(), builtinLog, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().NumberPrivateName(), numberConstructor, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().RegExpPrivateName(), m_regExpConstructor.get(), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().StringPrivateName(), stringConstructor, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().absPrivateName(), privateFuncAbs, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().floorPrivateName(), privateFuncFloor, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().truncPrivateName(), privateFuncTrunc, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().PromisePrivateName(), promiseConstructor, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().ReflectPrivateName(), reflectObject, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().InternalPromisePrivateName(), internalPromiseConstructor, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().repeatCharacterPrivateName(), JSFunction::create(vm, this, 2, String(), stringProtoFuncRepeatCharacter), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().SetIteratorPrivateName(), JSFunction::create(vm, this, 1, String(), privateFuncSetIterator), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().setIteratorNextPrivateName(), JSFunction::create(vm, this, 0, String(), privateFuncSetIteratorNext), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().isArrayPrivateName(), arrayConstructor->getDirect(vm, vm.propertyNames->isArray), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().isArraySlowPrivateName(), privateFuncIsArraySlow, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().isArrayConstructorPrivateName(), privateFuncIsArrayConstructor, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().concatMemcpyPrivateName(), privateFuncConcatMemcpy, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().appendMemcpyPrivateName(), privateFuncAppendMemcpy, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().concatSlowPathPrivateName(), privateFuncConcatSlowPath, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().MapIteratorPrivateName(), JSFunction::create(vm, this, 1, String(), privateFuncMapIterator), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().mapIteratorNextPrivateName(), JSFunction::create(vm, this, 0, String(), privateFuncMapIteratorNext), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().InspectorInstrumentationPrivateName(), InspectorInstrumentationObject::create(vm, this, InspectorInstrumentationObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().MapPrivateName(), mapConstructor, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().thisTimeValuePrivateName(), privateFuncThisTimeValue, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().thisNumberValuePrivateName(), privateFuncThisNumberValue, DontEnum | DontDelete | ReadOnly),
#if ENABLE(INTL)
GlobalPropertyInfo(vm.propertyNames->builtinNames().CollatorPrivateName(), intl->getDirect(vm, vm.propertyNames->Collator), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().DateTimeFormatPrivateName(), intl->getDirect(vm, vm.propertyNames->DateTimeFormat), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().NumberFormatPrivateName(), intl->getDirect(vm, vm.propertyNames->NumberFormat), DontEnum | DontDelete | ReadOnly),
#endif // ENABLE(INTL)
GlobalPropertyInfo(vm.propertyNames->builtinNames().isConstructorPrivateName(), JSFunction::create(vm, this, 1, String(), esSpecIsConstructor, NoIntrinsic), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoFlagsGetterPrivateName(), regExpProtoFlagsGetterObject, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoGlobalGetterPrivateName(), regExpProtoGlobalGetterObject, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoIgnoreCaseGetterPrivateName(), regExpProtoIgnoreCaseGetterObject, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoMultilineGetterPrivateName(), regExpProtoMultilineGetterObject, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoSourceGetterPrivateName(), regExpProtoSourceGetterObject, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoStickyGetterPrivateName(), regExpProtoStickyGetterObject, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoUnicodeGetterPrivateName(), regExpProtoUnicodeGetterObject, DontEnum | DontDelete | ReadOnly),
// RegExp.prototype helpers.
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpBuiltinExecPrivateName(), builtinRegExpExec, DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpCreatePrivateName(), JSFunction::create(vm, this, 2, String(), esSpecRegExpCreate, NoIntrinsic), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpMatchFastPrivateName(), JSFunction::create(vm, this, 1, String(), regExpProtoFuncMatchFast), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpSearchFastPrivateName(), JSFunction::create(vm, this, 1, String(), regExpProtoFuncSearchFast), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpSplitFastPrivateName(), JSFunction::create(vm, this, 2, String(), regExpProtoFuncSplitFast), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpPrototypeSymbolReplacePrivateName(), m_regExpPrototype->getDirect(vm, vm.propertyNames->replaceSymbol), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpTestFastPrivateName(), JSFunction::create(vm, this, 1, String(), regExpProtoFuncTestFast, RegExpTestFastIntrinsic), DontEnum | DontDelete | ReadOnly),
// String.prototype helpers.
GlobalPropertyInfo(vm.propertyNames->builtinNames().stringIncludesInternalPrivateName(), JSFunction::create(vm, this, 1, String(), builtinStringIncludesInternal), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().stringSplitFastPrivateName(), JSFunction::create(vm, this, 2, String(), stringProtoFuncSplitFast), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().stringSubstrInternalPrivateName(), JSFunction::create(vm, this, 2, String(), builtinStringSubstrInternal), DontEnum | DontDelete | ReadOnly),
// Function prototype helpers.
GlobalPropertyInfo(vm.propertyNames->builtinNames().makeBoundFunctionPrivateName(), JSFunction::create(vm, this, 5, String(), makeBoundFunction), DontEnum | DontDelete | ReadOnly),
GlobalPropertyInfo(vm.propertyNames->builtinNames().hasOwnLengthPropertyPrivateName(), JSFunction::create(vm, this, 1, String(), hasOwnLengthProperty), DontEnum | DontDelete | ReadOnly),
};
addStaticGlobals(staticGlobals, WTF_ARRAY_LENGTH(staticGlobals));
m_specialPointers[Special::CallFunction] = m_callFunction.get();
m_specialPointers[Special::ApplyFunction] = m_applyFunction.get();
m_specialPointers[Special::ObjectConstructor] = objectConstructor;
m_specialPointers[Special::ArrayConstructor] = arrayConstructor;
m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::ThrowTypeErrorFunction)] = m_throwTypeErrorFunction.get();
if (UNLIKELY(Options::useDollarVM())) {
JSDollarVMPrototype* dollarVMPrototype = JSDollarVMPrototype::create(vm, this, JSDollarVMPrototype::createStructure(vm, this, m_objectPrototype.get()));
m_dollarVMStructure.set(vm, this, JSDollarVM::createStructure(vm, this, dollarVMPrototype));
JSDollarVM* dollarVM = JSDollarVM::create(vm, m_dollarVMStructure.get());
GlobalPropertyInfo extraStaticGlobals[] = {
GlobalPropertyInfo(vm.propertyNames->builtinNames().dollarVMPrivateName(), dollarVM, DontEnum | DontDelete | ReadOnly),
};
addStaticGlobals(extraStaticGlobals, WTF_ARRAY_LENGTH(extraStaticGlobals));
putDirectWithoutTransition(vm, Identifier::fromString(exec, "$vm"), dollarVM, DontEnum);
}
#if ENABLE(WEBASSEMBLY)
if (Options::useWebAssembly()) {
auto* webAssemblyPrototype = WebAssemblyPrototype::create(vm, this, WebAssemblyPrototype::createStructure(vm, this, m_objectPrototype.get()));
m_webAssemblyStructure.set(vm, this, JSWebAssembly::createStructure(vm, this, webAssemblyPrototype));
m_webAssemblyModuleRecordStructure.set(vm, this, WebAssemblyModuleRecord::createStructure(vm, this, m_objectPrototype.get()));
m_webAssemblyFunctionStructure.set(vm, this, WebAssemblyFunction::createStructure(vm, this, m_objectPrototype.get()));
auto* webAssembly = JSWebAssembly::create(vm, this, m_webAssemblyStructure.get());
putDirectWithoutTransition(vm, Identifier::fromString(exec, "WebAssembly"), webAssembly, DontEnum);
#define CREATE_WEBASSEMBLY_CONSTRUCTOR(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) do { \
typedef capitalName ## Prototype Prototype; \
typedef capitalName ## Constructor Constructor; \
typedef JS ## capitalName JSObj; \
auto* base = m_ ## prototypeBase ## Prototype.get(); \
auto* prototype = Prototype::create(vm, this, Prototype::createStructure(vm, this, base)); \
auto* structure = JSObj::createStructure(vm, this, prototype); \
auto* constructor = Constructor::create(vm, Constructor::createStructure(vm, this, this->functionPrototype()), prototype); \
prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, constructor, DontEnum); \
m_ ## lowerName ## Prototype.set(vm, this, prototype); \
m_ ## properName ## Structure.set(vm, this, structure); \
webAssembly->putDirectWithoutTransition(vm, Identifier::fromString(this->globalExec(), #jsName), constructor, DontEnum); \
} while (0);
FOR_EACH_WEBASSEMBLY_CONSTRUCTOR_TYPE(CREATE_WEBASSEMBLY_CONSTRUCTOR)
#undef CREATE_WEBASSEMBLY_CONSTRUCTOR
}
#endif // ENABLE(WEBASSEMBLY)
{
ExecState* exec = globalExec();
auto setupAdaptiveWatchpoint = [&] (JSObject* base, const Identifier& ident) -> ObjectPropertyCondition {
// Performing these gets should not throw.
PropertySlot slot(base, PropertySlot::InternalMethodType::Get);
bool result = base->getOwnPropertySlot(base, exec, ident, slot);
ASSERT_UNUSED(result, result);
ASSERT(!catchScope.exception());
RELEASE_ASSERT(slot.isCacheableValue());
JSValue functionValue = slot.getValue(exec, ident);
ASSERT(!catchScope.exception());
ASSERT(jsDynamicCast<JSFunction*>(functionValue));
ObjectPropertyCondition condition = generateConditionForSelfEquivalence(m_vm, nullptr, base, ident.impl());
RELEASE_ASSERT(condition.requiredValue() == functionValue);
bool isWatchable = condition.isWatchable(PropertyCondition::EnsureWatchability);
RELEASE_ASSERT(isWatchable); // We allow this to install the necessary watchpoints.
return condition;
};
{
ObjectPropertyCondition condition = setupAdaptiveWatchpoint(arrayIteratorPrototype, m_vm.propertyNames->next);
m_arrayIteratorPrototypeNext = std::make_unique<ArrayIteratorAdaptiveWatchpoint>(condition, this);
m_arrayIteratorPrototypeNext->install();
}
{
ArrayPrototype* arrayPrototype = this->arrayPrototype();
ObjectPropertyCondition condition = setupAdaptiveWatchpoint(arrayPrototype, m_vm.propertyNames->iteratorSymbol);
m_arrayPrototypeSymbolIteratorWatchpoint = std::make_unique<ArrayIteratorAdaptiveWatchpoint>(condition, this);
m_arrayPrototypeSymbolIteratorWatchpoint->install();
}
}
resetPrototype(vm, getPrototypeDirect());
}
bool JSGlobalObject::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(cell);
ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject));
if (UNLIKELY(isThisValueAltered(slot, thisObject))) {
scope.release();
return ordinarySetSlow(exec, thisObject, propertyName, value, slot.thisValue(), slot.isStrictMode());
}
bool shouldThrowReadOnlyError = slot.isStrictMode();
bool ignoreReadOnlyErrors = false;
bool putResult = false;
bool done = symbolTablePutTouchWatchpointSet(thisObject, exec, propertyName, value, shouldThrowReadOnlyError, ignoreReadOnlyErrors, putResult);
ASSERT((!!scope.exception() == (done && !putResult)) || !shouldThrowReadOnlyError);
if (done)
return putResult;
scope.release();
return Base::put(thisObject, exec, propertyName, value, slot);
}
bool JSGlobalObject::defineOwnProperty(JSObject* object, ExecState* exec, PropertyName propertyName, const PropertyDescriptor& descriptor, bool shouldThrow)
{
JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(object);
PropertySlot slot(thisObject, PropertySlot::InternalMethodType::VMInquiry);
// silently ignore attempts to add accessors aliasing vars.
if (descriptor.isAccessorDescriptor() && symbolTableGet(thisObject, propertyName, slot))
return false;
return Base::defineOwnProperty(thisObject, exec, propertyName, descriptor, shouldThrow);
}
void JSGlobalObject::addGlobalVar(const Identifier& ident)
{
ConcurrentJSLocker locker(symbolTable()->m_lock);
SymbolTableEntry entry = symbolTable()->get(locker, ident.impl());
if (!entry.isNull())
return;
ScopeOffset offset = symbolTable()->takeNextScopeOffset(locker);
SymbolTableEntry newEntry(VarOffset(offset), 0);
newEntry.prepareToWatch();
symbolTable()->add(locker, ident.impl(), WTFMove(newEntry));
ScopeOffset offsetForAssert = addVariables(1, jsUndefined());
RELEASE_ASSERT(offsetForAssert == offset);
}
void JSGlobalObject::addFunction(ExecState* exec, const Identifier& propertyName)
{
VM& vm = exec->vm();
VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
methodTable(vm)->deleteProperty(this, exec, propertyName);
addGlobalVar(propertyName);
}
void JSGlobalObject::setGlobalScopeExtension(JSScope* scope)
{
m_globalScopeExtension.set(vm(), this, scope);
}
void JSGlobalObject::clearGlobalScopeExtension()
{
m_globalScopeExtension.clear();
}
static inline JSObject* lastInPrototypeChain(JSObject* object)
{
JSObject* o = object;
while (o->getPrototypeDirect().isObject())
o = asObject(o->getPrototypeDirect());
return o;
}
// Private namespace for helpers for JSGlobalObject::haveABadTime()
namespace {
class ObjectsWithBrokenIndexingFinder : public MarkedBlock::VoidFunctor {
public:
ObjectsWithBrokenIndexingFinder(MarkedArgumentBuffer&, JSGlobalObject*);
IterationStatus operator()(HeapCell*, HeapCell::Kind) const;
private:
void visit(JSCell*);
MarkedArgumentBuffer& m_foundObjects;
JSGlobalObject* m_globalObject;
};
ObjectsWithBrokenIndexingFinder::ObjectsWithBrokenIndexingFinder(
MarkedArgumentBuffer& foundObjects, JSGlobalObject* globalObject)
: m_foundObjects(foundObjects)
, m_globalObject(globalObject)
{
}
inline bool hasBrokenIndexing(JSObject* object)
{
// This will change if we have more indexing types.
IndexingType type = object->indexingType();
// This could be made obviously more efficient, but isn't made so right now, because
// we expect this to be an unlikely slow path anyway.
return hasUndecided(type) || hasInt32(type) || hasDouble(type) || hasContiguous(type) || hasArrayStorage(type);
}
inline void ObjectsWithBrokenIndexingFinder::visit(JSCell* cell)
{
if (!cell->isObject())
return;
JSObject* object = asObject(cell);
// Run this filter first, since it's cheap, and ought to filter out a lot of objects.
if (!hasBrokenIndexing(object))
return;
// We only want to have a bad time in the affected global object, not in the entire
// VM. But we have to be careful, since there may be objects that claim to belong to
// a different global object that have prototypes from our global object.
bool foundGlobalObject = false;
for (JSObject* current = object; ;) {
if (current->globalObject() == m_globalObject) {
foundGlobalObject = true;
break;
}
JSValue prototypeValue = current->getPrototypeDirect();
if (prototypeValue.isNull())
break;
current = asObject(prototypeValue);
}
if (!foundGlobalObject)
return;
m_foundObjects.append(object);
}
IterationStatus ObjectsWithBrokenIndexingFinder::operator()(HeapCell* cell, HeapCell::Kind kind) const
{
if (kind == HeapCell::JSCell) {
// FIXME: This const_cast exists because this isn't a C++ lambda.
// https://bugs.webkit.org/show_bug.cgi?id=159644
const_cast<ObjectsWithBrokenIndexingFinder*>(this)->visit(static_cast<JSCell*>(cell));
}
return IterationStatus::Continue;
}
} // end private namespace for helpers for JSGlobalObject::haveABadTime()
void JSGlobalObject::haveABadTime(VM& vm)
{
ASSERT(&vm == &this->vm());
if (isHavingABadTime())
return;
// Make sure that all allocations or indexed storage transitions that are inlining
// the assumption that it's safe to transition to a non-SlowPut array storage don't
// do so anymore.
m_havingABadTimeWatchpoint->fireAll(vm, "Having a bad time");
ASSERT(isHavingABadTime()); // The watchpoint is what tells us that we're having a bad time.
// Make sure that all JSArray allocations that load the appropriate structure from
// this object now load a structure that uses SlowPut.
for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
m_arrayStructureForIndexingShapeDuringAllocation[i].set(vm, this, originalArrayStructureForIndexingType(ArrayWithSlowPutArrayStorage));
// Same for any special array structures.
Structure* slowPutStructure;
slowPutStructure = createRegExpMatchesArraySlowPutStructure(vm, this);
m_regExpMatchesArrayStructure.set(vm, this, slowPutStructure);
slowPutStructure = ClonedArguments::createSlowPutStructure(vm, this, m_objectPrototype.get());
m_clonedArgumentsStructure.set(vm, this, slowPutStructure);
// Make sure that all objects that have indexed storage switch to the slow kind of
// indexed storage.
MarkedArgumentBuffer foundObjects; // Use MarkedArgumentBuffer because switchToSlowPutArrayStorage() may GC.
ObjectsWithBrokenIndexingFinder finder(foundObjects, this);
{
HeapIterationScope iterationScope(vm.heap);
vm.heap.objectSpace().forEachLiveCell(iterationScope, finder);
}
while (!foundObjects.isEmpty()) {
JSObject* object = asObject(foundObjects.last());
foundObjects.removeLast();
ASSERT(hasBrokenIndexing(object));
object->switchToSlowPutArrayStorage(vm);
}
}
// Set prototype, and also insert the object prototype at the end of the chain.
void JSGlobalObject::resetPrototype(VM& vm, JSValue prototype)
{
setPrototypeDirect(vm, prototype);
JSObject* oldLastInPrototypeChain = lastInPrototypeChain(this);
JSObject* objectPrototype = m_objectPrototype.get();
if (oldLastInPrototypeChain != objectPrototype)
oldLastInPrototypeChain->setPrototypeDirect(vm, objectPrototype);
// Whenever we change the prototype of the global object, we need to create a new JSProxy with the correct prototype.
setGlobalThis(vm, JSProxy::create(vm, JSProxy::createStructure(vm, this, prototype, PureForwardingProxyType), this));
}
void JSGlobalObject::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
Base::visitChildren(thisObject, visitor);
visitor.append(thisObject->m_globalThis);
visitor.append(thisObject->m_globalLexicalEnvironment);
visitor.append(thisObject->m_globalScopeExtension);
visitor.append(thisObject->m_globalCallee);
visitor.append(thisObject->m_regExpConstructor);
visitor.append(thisObject->m_errorConstructor);
visitor.append(thisObject->m_nativeErrorPrototypeStructure);
visitor.append(thisObject->m_nativeErrorStructure);
thisObject->m_evalErrorConstructor.visit(visitor);
visitor.append(thisObject->m_rangeErrorConstructor);
thisObject->m_referenceErrorConstructor.visit(visitor);
thisObject->m_syntaxErrorConstructor.visit(visitor);
visitor.append(thisObject->m_typeErrorConstructor);
thisObject->m_URIErrorConstructor.visit(visitor);
visitor.append(thisObject->m_objectConstructor);
visitor.append(thisObject->m_promiseConstructor);
visitor.append(thisObject->m_nullGetterFunction);
visitor.append(thisObject->m_nullSetterFunction);
visitor.append(thisObject->m_parseIntFunction);
visitor.append(thisObject->m_evalFunction);
visitor.append(thisObject->m_callFunction);
visitor.append(thisObject->m_applyFunction);
visitor.append(thisObject->m_throwTypeErrorFunction);
thisObject->m_arrayProtoToStringFunction.visit(visitor);
thisObject->m_arrayProtoValuesFunction.visit(visitor);
thisObject->m_initializePromiseFunction.visit(visitor);
thisObject->m_iteratorProtocolFunction.visit(visitor);
visitor.append(thisObject->m_newPromiseCapabilityFunction);
visitor.append(thisObject->m_functionProtoHasInstanceSymbolFunction);
thisObject->m_throwTypeErrorGetterSetter.visit(visitor);
visitor.append(thisObject->m_throwTypeErrorArgumentsCalleeAndCallerGetterSetter);
visitor.append(thisObject->m_moduleLoader);
visitor.append(thisObject->m_objectPrototype);
visitor.append(thisObject->m_functionPrototype);
visitor.append(thisObject->m_arrayPrototype);
visitor.append(thisObject->m_errorPrototype);
visitor.append(thisObject->m_iteratorPrototype);
visitor.append(thisObject->m_generatorFunctionPrototype);
visitor.append(thisObject->m_generatorPrototype);
visitor.append(thisObject->m_asyncFunctionPrototype);
visitor.append(thisObject->m_moduleLoaderPrototype);
thisObject->m_debuggerScopeStructure.visit(visitor);
thisObject->m_withScopeStructure.visit(visitor);
visitor.append(thisObject->m_strictEvalActivationStructure);
visitor.append(thisObject->m_lexicalEnvironmentStructure);
thisObject->m_moduleEnvironmentStructure.visit(visitor);
visitor.append(thisObject->m_directArgumentsStructure);
visitor.append(thisObject->m_scopedArgumentsStructure);
visitor.append(thisObject->m_clonedArgumentsStructure);
visitor.append(thisObject->m_objectStructureForObjectConstructor);
for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
visitor.append(thisObject->m_originalArrayStructureForIndexingShape[i]);
for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
visitor.append(thisObject->m_arrayStructureForIndexingShapeDuringAllocation[i]);
thisObject->m_callbackConstructorStructure.visit(visitor);
thisObject->m_callbackFunctionStructure.visit(visitor);
thisObject->m_callbackObjectStructure.visit(visitor);
visitor.append(thisObject->m_propertyNameIteratorStructure);
#if JSC_OBJC_API_ENABLED
thisObject->m_objcCallbackFunctionStructure.visit(visitor);
thisObject->m_objcWrapperObjectStructure.visit(visitor);
#endif
thisObject->m_nullPrototypeObjectStructure.visit(visitor);
visitor.append(thisObject->m_errorStructure);
visitor.append(thisObject->m_calleeStructure);
visitor.append(thisObject->m_functionStructure);
thisObject->m_customGetterSetterFunctionStructure.visit(visitor);
thisObject->m_boundFunctionStructure.visit(visitor);
visitor.append(thisObject->m_getterSetterStructure);
thisObject->m_nativeStdFunctionStructure.visit(visitor);
thisObject->m_namedFunctionStructure.visit(visitor);
visitor.append(thisObject->m_symbolObjectStructure);
visitor.append(thisObject->m_regExpStructure);
visitor.append(thisObject->m_generatorFunctionStructure);
visitor.append(thisObject->m_asyncFunctionStructure);
visitor.append(thisObject->m_iteratorResultObjectStructure);
visitor.append(thisObject->m_regExpMatchesArrayStructure);
visitor.append(thisObject->m_moduleRecordStructure);
visitor.append(thisObject->m_moduleNamespaceObjectStructure);
visitor.append(thisObject->m_dollarVMStructure);
visitor.append(thisObject->m_proxyObjectStructure);
visitor.append(thisObject->m_callableProxyObjectStructure);
visitor.append(thisObject->m_proxyRevokeStructure);
visitor.append(thisObject->m_moduleLoaderStructure);
visitor.append(thisObject->m_arrayBufferPrototype);
visitor.append(thisObject->m_arrayBufferStructure);
visitor.append(thisObject->m_sharedArrayBufferPrototype);
visitor.append(thisObject->m_sharedArrayBufferStructure);
#define VISIT_SIMPLE_TYPE(CapitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
visitor.append(thisObject->m_ ## lowerName ## Prototype); \
visitor.append(thisObject->m_ ## properName ## Structure); \
FOR_EACH_SIMPLE_BUILTIN_TYPE(VISIT_SIMPLE_TYPE)
#if ENABLE(WEBASSEMBLY)
visitor.append(thisObject->m_webAssemblyStructure);
visitor.append(thisObject->m_webAssemblyModuleRecordStructure);
visitor.append(thisObject->m_webAssemblyFunctionStructure);
FOR_EACH_WEBASSEMBLY_CONSTRUCTOR_TYPE(VISIT_SIMPLE_TYPE)
#endif // ENABLE(WEBASSEMBLY)
#undef VISIT_SIMPLE_TYPE
#define VISIT_LAZY_TYPE(CapitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
thisObject->m_ ## properName ## Structure.visit(visitor);
FOR_EACH_LAZY_BUILTIN_TYPE(VISIT_LAZY_TYPE)
FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(VISIT_LAZY_TYPE)
#undef VISIT_LAZY_TYPE
for (unsigned i = NUMBER_OF_TYPED_ARRAY_TYPES; i--;)
thisObject->lazyTypedArrayStructure(indexToTypedArrayType(i)).visit(visitor);
visitor.append(thisObject->m_speciesGetterSetter);
thisObject->m_typedArrayProto.visit(visitor);
thisObject->m_typedArraySuperConstructor.visit(visitor);
}
JSValue JSGlobalObject::toThis(JSCell*, ExecState* exec, ECMAMode ecmaMode)
{
if (ecmaMode == StrictMode)
return jsUndefined();
return exec->globalThisValue();
}
ExecState* JSGlobalObject::globalExec()
{
return CallFrame::create(m_globalCallFrame);
}
void JSGlobalObject::addStaticGlobals(GlobalPropertyInfo* globals, int count)
{
ScopeOffset startOffset = addVariables(count, jsUndefined());
for (int i = 0; i < count; ++i) {
GlobalPropertyInfo& global = globals[i];
ASSERT(global.attributes & DontDelete);
WatchpointSet* watchpointSet = nullptr;
WriteBarrierBase<Unknown>* variable = nullptr;
{
ConcurrentJSLocker locker(symbolTable()->m_lock);
ScopeOffset offset = symbolTable()->takeNextScopeOffset(locker);
RELEASE_ASSERT(offset = startOffset + i);
SymbolTableEntry newEntry(VarOffset(offset), global.attributes);
newEntry.prepareToWatch();
watchpointSet = newEntry.watchpointSet();
symbolTable()->add(locker, global.identifier.impl(), WTFMove(newEntry));
variable = &variableAt(offset);
}
symbolTablePutTouchWatchpointSet(vm(), this, global.identifier, global.value, variable, watchpointSet);
}
}
bool JSGlobalObject::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
{
if (Base::getOwnPropertySlot(object, exec, propertyName, slot))
return true;
return symbolTableGet(jsCast<JSGlobalObject*>(object), propertyName, slot);
}
void JSGlobalObject::clearRareData(JSCell* cell)
{
jsCast<JSGlobalObject*>(cell)->m_rareData = nullptr;
}
void slowValidateCell(JSGlobalObject* globalObject)
{
RELEASE_ASSERT(globalObject->isGlobalObject());
ASSERT_GC_OBJECT_INHERITS(globalObject, JSGlobalObject::info());
}
void JSGlobalObject::setRemoteDebuggingEnabled(bool enabled)
{
#if ENABLE(REMOTE_INSPECTOR)
m_inspectorDebuggable->setRemoteDebuggingAllowed(enabled);
#else
UNUSED_PARAM(enabled);
#endif
}
bool JSGlobalObject::remoteDebuggingEnabled() const
{
#if ENABLE(REMOTE_INSPECTOR)
return m_inspectorDebuggable->remoteDebuggingAllowed();
#else
return false;
#endif
}
#if ENABLE(WEB_REPLAY)
void JSGlobalObject::setInputCursor(PassRefPtr<InputCursor> 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<SetRandomSeed>(m_weakRandom.seed());
else if (cursor.isReplaying()) {
if (SetRandomSeed* input = cursor.fetchInput<SetRandomSeed>())
m_weakRandom.setSeed(static_cast<unsigned>(input->randomSeed()));
}
}
#endif
void JSGlobalObject::setName(const String& name)
{
m_name = name;
#if ENABLE(REMOTE_INSPECTOR)
m_inspectorDebuggable->update();
#endif
}
# if ENABLE(INTL)
const HashSet<String>& JSGlobalObject::intlCollatorAvailableLocales()
{
if (m_intlCollatorAvailableLocales.isEmpty()) {
int32_t count = ucol_countAvailable();
for (int32_t i = 0; i < count; ++i) {
String locale(ucol_getAvailable(i));
convertICULocaleToBCP47LanguageTag(locale);
m_intlCollatorAvailableLocales.add(locale);
}
}
return m_intlCollatorAvailableLocales;
}
const HashSet<String>& JSGlobalObject::intlDateTimeFormatAvailableLocales()
{
if (m_intlDateTimeFormatAvailableLocales.isEmpty()) {
int32_t count = udat_countAvailable();
for (int32_t i = 0; i < count; ++i) {
String locale(udat_getAvailable(i));
convertICULocaleToBCP47LanguageTag(locale);
m_intlDateTimeFormatAvailableLocales.add(locale);
}
}
return m_intlDateTimeFormatAvailableLocales;
}
const HashSet<String>& JSGlobalObject::intlNumberFormatAvailableLocales()
{
if (m_intlNumberFormatAvailableLocales.isEmpty()) {
int32_t count = unum_countAvailable();
for (int32_t i = 0; i < count; ++i) {
String locale(unum_getAvailable(i));
convertICULocaleToBCP47LanguageTag(locale);
m_intlNumberFormatAvailableLocales.add(locale);
}
}
return m_intlNumberFormatAvailableLocales;
}
#endif // ENABLE(INTL)
void JSGlobalObject::queueMicrotask(Ref<Microtask>&& task)
{
if (globalObjectMethodTable()->queueTaskToEventLoop) {
globalObjectMethodTable()->queueTaskToEventLoop(this, WTFMove(task));
return;
}
vm().queueMicrotask(this, WTFMove(task));
}
bool JSGlobalObject::hasDebugger() const
{
return m_debugger;
}
bool JSGlobalObject::hasInteractiveDebugger() const
{
return m_debugger && m_debugger->isInteractivelyDebugging();
}
} // namespace JSC