Source/JavaScriptCore/runtime/JSGlobalObject.cpp

   1 /*
   2  * Copyright (C) 2007-2009, 2014-2016 Apple Inc. All rights reserved.
   3  * Copyright (C) 2008 Cameron Zwarich (cwzwarich@uwaterloo.ca)
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1.  Redistributions of source code must retain the above copyright
  10  *     notice, this list of conditions and the following disclaimer.
  11  * 2.  Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
  15  *     its contributors may be used to endorse or promote products derived
  16  *     from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "config.h"
  31 #include "JSGlobalObject.h"
  32
  33 #include "ArrayConstructor.h"
  34 #include "ArrayIteratorAdaptiveWatchpoint.h"
  35 #include "ArrayIteratorPrototype.h"
  36 #include "ArrayPrototype.h"
  37 #include "AtomicsObject.h"
  38 #include "AsyncFunctionConstructor.h"
  39 #include "AsyncFunctionPrototype.h"
  40 #include "BooleanConstructor.h"
  41 #include "BooleanPrototype.h"
  42 #include "BuiltinNames.h"
  43 #include "ClonedArguments.h"
  44 #include "CodeBlock.h"
  45 #include "CodeCache.h"
  46 #include "ConsoleObject.h"
  47 #include "DateConstructor.h"
  48 #include "DatePrototype.h"
  49 #include "Debugger.h"
  50 #include "DebuggerScope.h"
  51 #include "DirectArguments.h"
  52 #include "DirectEvalExecutable.h"
  53 #include "ECMAScriptSpecInternalFunctions.h"
  54 #include "Error.h"
  55 #include "ErrorConstructor.h"
  56 #include "ErrorPrototype.h"
  57 #include "FunctionConstructor.h"
  58 #include "FunctionPrototype.h"
  59 #include "GeneratorFunctionConstructor.h"
  60 #include "GeneratorFunctionPrototype.h"
  61 #include "GeneratorPrototype.h"
  62 #include "GetterSetter.h"
  63 #include "HeapIterationScope.h"
  64 #include "IndirectEvalExecutable.h"
  65 #include "InspectorInstrumentationObject.h"
  66 #include "Interpreter.h"
  67 #include "IteratorPrototype.h"
  68 #include "JSAPIWrapperObject.h"
  69 #include "JSArrayBuffer.h"
  70 #include "JSArrayBufferConstructor.h"
  71 #include "JSArrayBufferPrototype.h"
  72 #include "JSAsyncFunction.h"
  73 #include "JSBoundFunction.h"
  74 #include "JSCInlines.h"
  75 #include "JSCallbackConstructor.h"
  76 #include "JSCallbackFunction.h"
  77 #include "JSCallbackObject.h"
  78 #include "JSCustomGetterSetterFunction.h"
  79 #include "JSDataView.h"
  80 #include "JSDataViewPrototype.h"
  81 #include "JSDollarVM.h"
  82 #include "JSDollarVMPrototype.h"
  83 #include "JSFixedArray.h"
  84 #include "JSFunction.h"
  85 #include "JSGeneratorFunction.h"
  86 #include "JSGenericTypedArrayViewConstructorInlines.h"
  87 #include "JSGenericTypedArrayViewInlines.h"
  88 #include "JSGenericTypedArrayViewPrototypeInlines.h"
  89 #include "JSGlobalObjectFunctions.h"
  90 #include "JSInternalPromise.h"
  91 #include "JSInternalPromiseConstructor.h"
  92 #include "JSInternalPromisePrototype.h"
  93 #include "JSJob.h"
  94 #include "JSLexicalEnvironment.h"
  95 #include "JSLock.h"
  96 #include "JSMap.h"
  97 #include "JSMapIterator.h"
  98 #include "JSModuleEnvironment.h"
  99 #include "JSModuleLoader.h"
 100 #include "JSModuleNamespaceObject.h"
 101 #include "JSModuleRecord.h"
 102 #include "JSNativeStdFunction.h"
 103 #include "JSONObject.h"
 104 #include "JSPromise.h"
 105 #include "JSPromiseConstructor.h"
 106 #include "JSPromisePrototype.h"
 107 #include "JSPropertyNameIterator.h"
 108 #include "JSSet.h"
 109 #include "JSSetIterator.h"
 110 #include "JSStringIterator.h"
 111 #include "JSTemplateRegistryKey.h"
 112 #include "JSTypedArrayConstructors.h"
 113 #include "JSTypedArrayPrototypes.h"
 114 #include "JSTypedArrayViewConstructor.h"
 115 #include "JSTypedArrayViewPrototype.h"
 116 #include "JSTypedArrays.h"
 117 #include "JSWeakMap.h"
 118 #include "JSWeakSet.h"
 119 #include "JSWebAssembly.h"
 120 #include "JSWebAssemblyCallee.h"
 121 #include "JSWithScope.h"
 122 #include "LazyClassStructureInlines.h"
 123 #include "LazyPropertyInlines.h"
 124 #include "Lookup.h"
 125 #include "MapConstructor.h"
 126 #include "MapIteratorPrototype.h"
 127 #include "MapPrototype.h"
 128 #include "MarkedSpaceInlines.h"
 129 #include "MathObject.h"
 130 #include "Microtask.h"
 131 #include "ModuleLoaderPrototype.h"
 132 #include "NativeErrorConstructor.h"
 133 #include "NativeErrorPrototype.h"
 134 #include "NullGetterFunction.h"
 135 #include "NullSetterFunction.h"
 136 #include "NumberConstructor.h"
 137 #include "NumberPrototype.h"
 138 #include "ObjCCallbackFunction.h"
 139 #include "ObjectConstructor.h"
 140 #include "ObjectPropertyConditionSet.h"
 141 #include "ObjectPrototype.h"
 142 #include "ParserError.h"
 143 #include "ProxyConstructor.h"
 144 #include "ProxyObject.h"
 145 #include "ProxyRevoke.h"
 146 #include "ReflectObject.h"
 147 #include "RegExpConstructor.h"
 148 #include "RegExpMatchesArray.h"
 149 #include "RegExpObject.h"
 150 #include "RegExpPrototype.h"
 151 #include "ScopedArguments.h"
 152 #include "SetConstructor.h"
 153 #include "SetIteratorPrototype.h"
 154 #include "SetPrototype.h"
 155 #include "StrictEvalActivation.h"
 156 #include "StringConstructor.h"
 157 #include "StringIteratorPrototype.h"
 158 #include "StringPrototype.h"
 159 #include "Symbol.h"
 160 #include "SymbolConstructor.h"
 161 #include "SymbolPrototype.h"
 162 #include "VariableWriteFireDetail.h"
 163 #include "WeakGCMapInlines.h"
 164 #include "WeakMapConstructor.h"
 165 #include "WeakMapPrototype.h"
 166 #include "WeakSetConstructor.h"
 167 #include "WeakSetPrototype.h"
 168 #include <wtf/RandomNumber.h>
 169
 170 #if ENABLE(INTL)
 171 #include "IntlObject.h"
 172 #include <unicode/ucol.h>
 173 #include <unicode/udat.h>
 174 #include <unicode/unum.h>
 175 #endif // ENABLE(INTL)
 176
 177 #if ENABLE(REMOTE_INSPECTOR)
 178 #include "JSGlobalObjectDebuggable.h"
 179 #include "JSGlobalObjectInspectorController.h"
 180 #endif
 181
 182 #if ENABLE(WEB_REPLAY)
 183 #include "EmptyInputCursor.h"
 184 #include "JSReplayInputs.h"
 185 #endif
 186
 187 namespace JSC {
 188
 189 static JSValue createProxyProperty(VM& vm, JSObject* object)
 190 {
 191     JSGlobalObject* global = jsCast<JSGlobalObject*>(object);
 192     return ProxyConstructor::create(vm, ProxyConstructor::createStructure(vm, global, global->functionPrototype()));
 193 }
 194
 195 static JSValue createJSONProperty(VM& vm, JSObject* object)
 196 {
 197     JSGlobalObject* global = jsCast<JSGlobalObject*>(object);
 198     return JSONObject::create(vm, JSONObject::createStructure(vm, global, global->objectPrototype()));
 199 }
 200
 201 static JSValue createMathProperty(VM& vm, JSObject* object)
 202 {
 203     JSGlobalObject* global = jsCast<JSGlobalObject*>(object);
 204     return MathObject::create(vm, global, MathObject::createStructure(vm, global, global->objectPrototype()));
 205 }
 206
 207 static JSValue createConsoleProperty(VM& vm, JSObject* object)
 208 {
 209     JSGlobalObject* global = jsCast<JSGlobalObject*>(object);
 210     return ConsoleObject::create(vm, global, ConsoleObject::createStructure(vm, global, constructEmptyObject(global->globalExec())));
 211 }
 212
 213 static JSValue createAtomicsProperty(VM& vm, JSObject* object)
 214 {
 215     JSGlobalObject* global = jsCast<JSGlobalObject*>(object);
 216     return AtomicsObject::create(vm, global, AtomicsObject::createStructure(vm, global, global->objectPrototype()));
 217 }
 218
 219 static EncodedJSValue JSC_HOST_CALL makeBoundFunction(ExecState* exec)
 220 {
 221     VM& vm = exec->vm();
 222     JSGlobalObject* globalObject = exec->lexicalGlobalObject();
 223
 224     JSObject* target = asObject(exec->uncheckedArgument(0));
 225     JSValue boundThis = exec->uncheckedArgument(1);
 226     JSValue boundArgs = exec->uncheckedArgument(2);
 227     JSValue length = exec->uncheckedArgument(3);
 228     JSString* name = asString(exec->uncheckedArgument(4));
 229
 230     return JSValue::encode(JSBoundFunction::create(
 231         vm, exec, globalObject, target, boundThis, boundArgs.isCell() ? jsCast<JSArray*>(boundArgs) : nullptr, length.asInt32(), name->value(exec)));
 232 }
 233
 234 static EncodedJSValue JSC_HOST_CALL hasOwnLengthProperty(ExecState* exec)
 235 {
 236     VM& vm = exec->vm();
 237     JSObject* target = asObject(exec->uncheckedArgument(0));
 238     return JSValue::encode(jsBoolean(target->hasOwnProperty(exec, vm.propertyNames->length)));
 239 }
 240
 241 } // namespace JSC
 242
 243 #include "JSGlobalObject.lut.h"
 244
 245 namespace JSC {
 246
 247 const ClassInfo JSGlobalObject::s_info = { "GlobalObject", &Base::s_info, &globalObjectTable, CREATE_METHOD_TABLE(JSGlobalObject) };
 248
 249 const GlobalObjectMethodTable JSGlobalObject::s_globalObjectMethodTable = {
 250     &supportsRichSourceInfo,
 251     &shouldInterruptScript,
 252     &javaScriptRuntimeFlags,
 253     nullptr,
 254     &shouldInterruptScriptBeforeTimeout,
 255     nullptr,
 256     nullptr,
 257     nullptr,
 258     nullptr,
 259     nullptr
 260 };
 261
 262 /* Source for JSGlobalObject.lut.h
 263 @begin globalObjectTable
 264   parseFloat            globalFuncParseFloat                         DontEnum|Function 1
 265   isNaN                 JSBuiltin                                    DontEnum|Function 1
 266   isFinite              JSBuiltin                                    DontEnum|Function 1
 267   escape                globalFuncEscape                             DontEnum|Function 1
 268   unescape              globalFuncUnescape                           DontEnum|Function 1
 269   decodeURI             globalFuncDecodeURI                          DontEnum|Function 1
 270   decodeURIComponent    globalFuncDecodeURIComponent                 DontEnum|Function 1
 271   encodeURI             globalFuncEncodeURI                          DontEnum|Function 1
 272   encodeURIComponent    globalFuncEncodeURIComponent                 DontEnum|Function 1
 273   EvalError             JSGlobalObject::m_evalErrorConstructor       DontEnum|CellProperty
 274   ReferenceError        JSGlobalObject::m_referenceErrorConstructor  DontEnum|CellProperty
 275   SyntaxError           JSGlobalObject::m_syntaxErrorConstructor     DontEnum|CellProperty
 276   URIError              JSGlobalObject::m_URIErrorConstructor        DontEnum|CellProperty
 277   Proxy                 createProxyProperty                          DontEnum|PropertyCallback
 278   JSON                  createJSONProperty                           DontEnum|PropertyCallback
 279   Math                  createMathProperty                           DontEnum|PropertyCallback
 280   Atomics               createAtomicsProperty                        DontEnum|PropertyCallback
 281   console               createConsoleProperty                        DontEnum|PropertyCallback
 282   Int8Array             JSGlobalObject::m_typedArrayInt8             DontEnum|ClassStructure
 283   Int16Array            JSGlobalObject::m_typedArrayInt16            DontEnum|ClassStructure
 284   Int32Array            JSGlobalObject::m_typedArrayInt32            DontEnum|ClassStructure
 285   Uint8Array            JSGlobalObject::m_typedArrayUint8            DontEnum|ClassStructure
 286   Uint8ClampedArray     JSGlobalObject::m_typedArrayUint8Clamped     DontEnum|ClassStructure
 287   Uint16Array           JSGlobalObject::m_typedArrayUint16           DontEnum|ClassStructure
 288   Uint32Array           JSGlobalObject::m_typedArrayUint32           DontEnum|ClassStructure
 289   Float32Array          JSGlobalObject::m_typedArrayFloat32          DontEnum|ClassStructure
 290   Float64Array          JSGlobalObject::m_typedArrayFloat64          DontEnum|ClassStructure
 291   DataView              JSGlobalObject::m_typedArrayDataView         DontEnum|ClassStructure
 292   Set                   JSGlobalObject::m_setStructure               DontEnum|ClassStructure
 293   Date                  JSGlobalObject::m_dateStructure              DontEnum|ClassStructure
 294   Boolean               JSGlobalObject::m_booleanObjectStructure     DontEnum|ClassStructure
 295   Number                JSGlobalObject::m_numberObjectStructure      DontEnum|ClassStructure
 296   WeakMap               JSGlobalObject::m_weakMapStructure           DontEnum|ClassStructure
 297   WeakSet               JSGlobalObject::m_weakSetStructure           DontEnum|ClassStructure
 298 @end
 299 */
 300
 301 static EncodedJSValue JSC_HOST_CALL getTemplateObject(ExecState* exec)
 302 {
 303     JSValue thisValue = exec->thisValue();
 304     ASSERT(thisValue.inherits(JSTemplateRegistryKey::info()));
 305     return JSValue::encode(exec->lexicalGlobalObject()->templateRegistry().getTemplateObject(exec, jsCast<JSTemplateRegistryKey*>(thisValue)));
 306 }
 307
 308
 309 static EncodedJSValue JSC_HOST_CALL enqueueJob(ExecState* exec)
 310 {
 311     VM& vm = exec->vm();
 312     JSGlobalObject* globalObject = exec->lexicalGlobalObject();
 313
 314     JSValue job = exec->argument(0);
 315     JSValue arguments = exec->argument(1);
 316     ASSERT(arguments.inherits(JSArray::info()));
 317
 318     globalObject->queueMicrotask(createJSJob(vm, job, jsCast<JSArray*>(arguments)));
 319
 320     return JSValue::encode(jsUndefined());
 321 }
 322
 323 JSGlobalObject::JSGlobalObject(VM& vm, Structure* structure, const GlobalObjectMethodTable* globalObjectMethodTable)
 324     : Base(vm, structure, 0)
 325     , m_vm(vm)
 326 #if ENABLE(WEB_REPLAY)
 327     , m_inputCursor(EmptyInputCursor::create())
 328 #endif
 329     , m_masqueradesAsUndefinedWatchpoint(adoptRef(new WatchpointSet(IsWatched)))
 330     , m_havingABadTimeWatchpoint(adoptRef(new WatchpointSet(IsWatched)))
 331     , m_varInjectionWatchpoint(adoptRef(new WatchpointSet(IsWatched)))
 332     , m_weakRandom(Options::forceWeakRandomSeed() ? Options::forcedWeakRandomSeed() : static_cast<unsigned>(randomNumber() * (std::numeric_limits<unsigned>::max() + 1.0)))
 333     , m_arrayIteratorProtocolWatchpoint(IsWatched)
 334     , m_templateRegistry(vm)
 335     , m_evalEnabled(true)
 336     , m_runtimeFlags()
 337     , m_consoleClient(nullptr)
 338     , m_globalObjectMethodTable(globalObjectMethodTable ? globalObjectMethodTable : &s_globalObjectMethodTable)
 339 {
 340 }
 341
 342 JSGlobalObject::~JSGlobalObject()
 343 {
 344 #if ENABLE(REMOTE_INSPECTOR)
 345     m_inspectorController->globalObjectDestroyed();
 346 #endif
 347
 348     if (m_debugger)
 349         m_debugger->detach(this, Debugger::GlobalObjectIsDestructing);
 350 }
 351
 352 void JSGlobalObject::destroy(JSCell* cell)
 353 {
 354     static_cast<JSGlobalObject*>(cell)->JSGlobalObject::~JSGlobalObject();
 355 }
 356
 357 void JSGlobalObject::setGlobalThis(VM& vm, JSObject* globalThis)
 358 {
 359     m_globalThis.set(vm, this, globalThis);
 360 }
 361
 362 static JSObject* getGetterById(ExecState* exec, JSObject* base, const Identifier& ident)
 363 {
 364     JSValue baseValue = JSValue(base);
 365     PropertySlot slot(baseValue, PropertySlot::InternalMethodType::VMInquiry);
 366     baseValue.getPropertySlot(exec, ident, slot);
 367     return slot.getPureResult().toObject(exec);
 368 }
 369
 370 void JSGlobalObject::init(VM& vm)
 371 {
 372     ASSERT(vm.currentThreadIsHoldingAPILock());
 373     auto catchScope = DECLARE_CATCH_SCOPE(vm);
 374
 375     Base::setStructure(vm, Structure::toCacheableDictionaryTransition(vm, structure()));
 376
 377     m_debugger = 0;
 378
 379 #if ENABLE(REMOTE_INSPECTOR)
 380     m_inspectorController = std::make_unique<Inspector::JSGlobalObjectInspectorController>(*this);
 381     m_inspectorDebuggable = std::make_unique<JSGlobalObjectDebuggable>(*this);
 382     m_inspectorDebuggable->init();
 383     m_consoleClient = m_inspectorController->consoleClient();
 384 #endif
 385
 386     m_functionPrototype.set(vm, this, FunctionPrototype::create(vm, FunctionPrototype::createStructure(vm, this, jsNull()))); // The real prototype will be set once ObjectPrototype is created.
 387     m_calleeStructure.set(vm, this, JSCallee::createStructure(vm, this, jsNull()));
 388
 389     m_globalLexicalEnvironment.set(vm, this, JSGlobalLexicalEnvironment::create(vm, JSGlobalLexicalEnvironment::createStructure(vm, this), this));
 390     // Need to create the callee structure (above) before creating the callee.
 391     JSCallee* globalCallee = JSCallee::create(vm, this, globalScope());
 392     m_globalCallee.set(vm, this, globalCallee);
 393
 394     ExecState::initGlobalExec(JSGlobalObject::globalExec(), globalCallee);
 395     ExecState* exec = JSGlobalObject::globalExec();
 396
 397     m_functionStructure.set(vm, this, JSFunction::createStructure(vm, this, m_functionPrototype.get()));
 398     m_customGetterSetterFunctionStructure.initLater(
 399         [] (const Initializer<Structure>& init) {
 400             init.set(JSCustomGetterSetterFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()));
 401         });
 402     m_boundFunctionStructure.initLater(
 403         [] (const Initializer<Structure>& init) {
 404             init.set(JSBoundFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()));
 405         });
 406     m_getterSetterStructure.set(vm, this, GetterSetter::createStructure(vm, this, jsNull()));
 407     m_nativeStdFunctionStructure.initLater(
 408         [] (const Initializer<Structure>& init) {
 409             init.set(JSNativeStdFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()));
 410         });
 411     m_namedFunctionStructure.initLater(
 412         [] (const Initializer<Structure>& init) {
 413             init.set(Structure::addPropertyTransition(init.vm, init.owner->m_functionStructure.get(), init.vm.propertyNames->name, DontDelete | ReadOnly | DontEnum, init.owner->m_functionNameOffset));
 414         });
 415     JSFunction* callFunction = 0;
 416     JSFunction* applyFunction = 0;
 417     JSFunction* hasInstanceSymbolFunction = 0;
 418     m_functionPrototype->addFunctionProperties(exec, this, &callFunction, &applyFunction, &hasInstanceSymbolFunction);
 419     m_callFunction.set(vm, this, callFunction);
 420     m_applyFunction.set(vm, this, applyFunction);
 421     m_arrayProtoToStringFunction.initLater(
 422         [] (const Initializer<JSFunction>& init) {
 423             init.set(JSFunction::create(init.vm, init.owner, 0, init.vm.propertyNames->toString.string(), arrayProtoFuncToString, NoIntrinsic));
 424         });
 425     m_arrayProtoValuesFunction.initLater(
 426         [] (const Initializer<JSFunction>& init) {
 427             init.set(JSFunction::createBuiltinFunction(init.vm, arrayPrototypeValuesCodeGenerator(init.vm), init.owner));
 428         });
 429     m_initializePromiseFunction.initLater(
 430         [] (const Initializer<JSFunction>& init) {
 431             init.set(JSFunction::createBuiltinFunction(init.vm, promiseOperationsInitializePromiseCodeGenerator(init.vm), init.owner));
 432         });
 433
 434     m_iteratorProtocolFunction.initLater(
 435         [] (const Initializer<JSFunction>& init) {
 436             init.set(JSFunction::createBuiltinFunction(init.vm, iteratorHelpersPerformIterationCodeGenerator(init.vm), init.owner));
 437         });
 438
 439     m_newPromiseCapabilityFunction.set(vm, this, JSFunction::createBuiltinFunction(vm, promiseOperationsNewPromiseCapabilityCodeGenerator(vm), this));
 440     m_functionProtoHasInstanceSymbolFunction.set(vm, this, hasInstanceSymbolFunction);
 441     m_throwTypeErrorGetterSetter.initLater(
 442         [] (const Initializer<GetterSetter>& init) {
 443             JSFunction* thrower = init.owner->throwTypeErrorFunction();
 444             GetterSetter* getterSetter = GetterSetter::create(init.vm, init.owner);
 445             getterSetter->setGetter(init.vm, init.owner, thrower);
 446             getterSetter->setSetter(init.vm, init.owner, thrower);
 447             init.set(getterSetter);
 448         });
 449
 450     m_nullGetterFunction.set(vm, this, NullGetterFunction::create(vm, NullGetterFunction::createStructure(vm, this, m_functionPrototype.get())));
 451     m_nullSetterFunction.set(vm, this, NullSetterFunction::create(vm, NullSetterFunction::createStructure(vm, this, m_functionPrototype.get())));
 452     m_objectPrototype.set(vm, this, ObjectPrototype::create(vm, this, ObjectPrototype::createStructure(vm, this, jsNull())));
 453     GetterSetter* protoAccessor = GetterSetter::create(vm, this);
 454     protoAccessor->setGetter(vm, this, JSFunction::create(vm, this, 0, makeString("get ", vm.propertyNames->underscoreProto.string()), globalFuncProtoGetter));
 455     protoAccessor->setSetter(vm, this, JSFunction::create(vm, this, 0, makeString("set ", vm.propertyNames->underscoreProto.string()), globalFuncProtoSetter));
 456     m_objectPrototype->putDirectNonIndexAccessor(vm, vm.propertyNames->underscoreProto, protoAccessor, Accessor | DontEnum);
 457     m_functionPrototype->structure()->setPrototypeWithoutTransition(vm, m_objectPrototype.get());
 458     m_objectStructureForObjectConstructor.set(vm, this, vm.prototypeMap.emptyObjectStructureForPrototype(m_objectPrototype.get(), JSFinalObject::defaultInlineCapacity()));
 459
 460     JSFunction* thrower = JSFunction::create(vm, this, 0, String(), globalFuncThrowTypeErrorArgumentsCalleeAndCaller);
 461     GetterSetter* getterSetter = GetterSetter::create(vm, this);
 462     getterSetter->setGetter(vm, this, thrower);
 463     getterSetter->setSetter(vm, this, thrower);
 464     m_throwTypeErrorArgumentsCalleeAndCallerGetterSetter.set(vm, this, getterSetter);
 465
 466     m_functionPrototype->initRestrictedProperties(exec, this);
 467
 468     m_speciesGetterSetter.set(vm, this, GetterSetter::create(vm, this));
 469     m_speciesGetterSetter->setGetter(vm, this, JSFunction::createBuiltinFunction(vm, globalOperationsSpeciesGetterCodeGenerator(vm), this, "get [Symbol.species]"));
 470
 471     m_typedArrayProto.initLater(
 472         [] (const Initializer<JSTypedArrayViewPrototype>& init) {
 473             init.set(JSTypedArrayViewPrototype::create(init.vm, init.owner, JSTypedArrayViewPrototype::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get())));
 474
 475             // Make sure that the constructor gets initialized, too.
 476             init.owner->m_typedArraySuperConstructor.get(init.owner);
 477         });
 478     m_typedArraySuperConstructor.initLater(
 479         [] (const Initializer<JSTypedArrayViewConstructor>& init) {
 480             JSTypedArrayViewPrototype* prototype = init.owner->m_typedArrayProto.get(init.owner);
 481             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());
 482             prototype->putDirectWithoutTransition(init.vm, init.vm.propertyNames->constructor, constructor, DontEnum);
 483             init.set(constructor);
 484         });
 485
 486 #define INIT_TYPED_ARRAY_LATER(type) \
 487     m_typedArray ## type.initLater( \
 488         [] (LazyClassStructure::Initializer& init) { \
 489             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)))); \
 490             init.setStructure(JS ## type ## Array::createStructure(init.vm, init.global, init.prototype)); \
 491             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))); \
 492             init.global->putDirectWithoutTransition(init.vm, init.vm.propertyNames->builtinNames().type ## ArrayPrivateName(), init.constructor, DontEnum); \
 493         });
 494     FOR_EACH_TYPED_ARRAY_TYPE_EXCLUDING_DATA_VIEW(INIT_TYPED_ARRAY_LATER)
 495 #undef INIT_TYPED_ARRAY_LATER
 496
 497     m_typedArrayDataView.initLater(
 498         [] (LazyClassStructure::Initializer& init) {
 499             init.setPrototype(JSDataViewPrototype::create(init.vm, JSDataViewPrototype::createStructure(init.vm, init.global, init.global->m_objectPrototype.get())));
 500             init.setStructure(JSDataView::createStructure(init.vm, init.global, init.prototype));
 501             init.setConstructor(JSDataViewConstructor::create(init.vm, init.global, JSDataViewConstructor::createStructure(init.vm, init.global, init.global->m_functionPrototype.get()), init.prototype, ASCIILiteral("DataView"), nullptr));
 502         });
 503
 504     m_lexicalEnvironmentStructure.set(vm, this, JSLexicalEnvironment::createStructure(vm, this));
 505     m_moduleEnvironmentStructure.initLater(
 506         [] (const Initializer<Structure>& init) {
 507             init.set(JSModuleEnvironment::createStructure(init.vm, init.owner));
 508         });
 509     m_strictEvalActivationStructure.set(vm, this, StrictEvalActivation::createStructure(vm, this, jsNull()));
 510     m_debuggerScopeStructure.initLater(
 511         [] (const Initializer<Structure>& init) {
 512             init.set(DebuggerScope::createStructure(init.vm, init.owner));
 513         });
 514     m_withScopeStructure.initLater(
 515         [] (const Initializer<Structure>& init) {
 516             init.set(JSWithScope::createStructure(init.vm, init.owner, jsNull()));
 517         });
 518
 519     m_nullPrototypeObjectStructure.initLater(
 520         [] (const Initializer<Structure>& init) {
 521             init.set(JSFinalObject::createStructure(init.vm, init.owner, jsNull(), JSFinalObject::defaultInlineCapacity()));
 522         });
 523
 524     m_callbackFunctionStructure.initLater(
 525         [] (const Initializer<Structure>& init) {
 526             init.set(JSCallbackFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()));
 527         });
 528     m_directArgumentsStructure.set(vm, this, DirectArguments::createStructure(vm, this, m_objectPrototype.get()));
 529     m_scopedArgumentsStructure.set(vm, this, ScopedArguments::createStructure(vm, this, m_objectPrototype.get()));
 530     m_clonedArgumentsStructure.set(vm, this, ClonedArguments::createStructure(vm, this, m_objectPrototype.get()));
 531     m_callbackConstructorStructure.initLater(
 532         [] (const Initializer<Structure>& init) {
 533             init.set(JSCallbackConstructor::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get()));
 534         });
 535     m_callbackObjectStructure.initLater(
 536         [] (const Initializer<Structure>& init) {
 537             init.set(JSCallbackObject<JSDestructibleObject>::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get()));
 538         });
 539
 540 #if JSC_OBJC_API_ENABLED
 541     m_objcCallbackFunctionStructure.initLater(
 542         [] (const Initializer<Structure>& init) {
 543             init.set(ObjCCallbackFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()));
 544         });
 545     m_objcWrapperObjectStructure.initLater(
 546         [] (const Initializer<Structure>& init) {
 547             init.set(JSCallbackObject<JSAPIWrapperObject>::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get()));
 548         });
 549 #endif
 550
 551     m_arrayPrototype.set(vm, this, ArrayPrototype::create(vm, this, ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
 552
 553     m_originalArrayStructureForIndexingShape[UndecidedShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithUndecided));
 554     m_originalArrayStructureForIndexingShape[Int32Shape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithInt32));
 555     m_originalArrayStructureForIndexingShape[DoubleShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithDouble));
 556     m_originalArrayStructureForIndexingShape[ContiguousShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithContiguous));
 557     m_originalArrayStructureForIndexingShape[ArrayStorageShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithArrayStorage));
 558     m_originalArrayStructureForIndexingShape[SlowPutArrayStorageShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithSlowPutArrayStorage));
 559     for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
 560         m_arrayStructureForIndexingShapeDuringAllocation[i] = m_originalArrayStructureForIndexingShape[i];
 561
 562     m_regExpPrototype.set(vm, this, RegExpPrototype::create(vm, this, RegExpPrototype::createStructure(vm, this, m_objectPrototype.get())));
 563     m_regExpStructure.set(vm, this, RegExpObject::createStructure(vm, this, m_regExpPrototype.get()));
 564     m_regExpMatchesArrayStructure.set(vm, this, createRegExpMatchesArrayStructure(vm, this));
 565
 566     m_moduleRecordStructure.set(vm, this, JSModuleRecord::createStructure(vm, this, m_objectPrototype.get()));
 567     m_moduleNamespaceObjectStructure.set(vm, this, JSModuleNamespaceObject::createStructure(vm, this, jsNull()));
 568     {
 569         bool isCallable = false;
 570         m_proxyObjectStructure.set(vm, this, ProxyObject::createStructure(vm, this, jsNull(), isCallable));
 571         isCallable = true;
 572         m_callableProxyObjectStructure.set(vm, this, ProxyObject::createStructure(vm, this, jsNull(), isCallable));
 573     }
 574     m_proxyRevokeStructure.set(vm, this, ProxyRevoke::createStructure(vm, this, m_functionPrototype.get()));
 575
 576     m_parseIntFunction.set(vm, this, JSFunction::create(vm, this, 2, vm.propertyNames->parseInt.string(), globalFuncParseInt, NoIntrinsic));
 577     putDirectWithoutTransition(vm, vm.propertyNames->parseInt, m_parseIntFunction.get(), DontEnum);
 578
 579     m_arrayBufferPrototype.set(vm, this, JSArrayBufferPrototype::create(vm, this, JSArrayBufferPrototype::createStructure(vm, this, m_objectPrototype.get()), ArrayBufferSharingMode::Default));
 580     m_arrayBufferStructure.set(vm, this, JSArrayBuffer::createStructure(vm, this, m_arrayBufferPrototype.get()));
 581     m_sharedArrayBufferPrototype.set(vm, this, JSArrayBufferPrototype::create(vm, this, JSArrayBufferPrototype::createStructure(vm, this, m_objectPrototype.get()), ArrayBufferSharingMode::Shared));
 582     m_sharedArrayBufferStructure.set(vm, this, JSArrayBuffer::createStructure(vm, this, m_sharedArrayBufferPrototype.get()));
 583
 584 #define CREATE_PROTOTYPE_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
 585 m_ ## lowerName ## Prototype.set(vm, this, capitalName##Prototype::create(vm, this, capitalName##Prototype::createStructure(vm, this, m_ ## prototypeBase ## Prototype.get()))); \
 586 m_ ## properName ## Structure.set(vm, this, instanceType::createStructure(vm, this, m_ ## lowerName ## Prototype.get()));
 587
 588     FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_SIMPLE_TYPE)
 589
 590 #undef CREATE_PROTOTYPE_FOR_SIMPLE_TYPE
 591
 592 #define CREATE_PROTOTYPE_FOR_LAZY_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
 593     m_ ## properName ## Structure.initLater(\
 594         [] (LazyClassStructure::Initializer& init) { \
 595             init.setPrototype(capitalName##Prototype::create(init.vm, init.global, capitalName##Prototype::createStructure(init.vm, init.global, init.global->m_ ## prototypeBase ## Prototype.get()))); \
 596             init.setStructure(instanceType::createStructure(init.vm, init.global, init.prototype)); \
 597             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())); \
 598         });
 599
 600     FOR_EACH_LAZY_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_LAZY_TYPE)
 601
 602 #undef CREATE_PROTOTYPE_FOR_LAZY_TYPE
 603
 604     m_iteratorPrototype.set(vm, this, IteratorPrototype::create(vm, this, IteratorPrototype::createStructure(vm, this, m_objectPrototype.get())));
 605
 606 #define CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
 607     m_ ## lowerName ## Structure.initLater( \
 608         [] (const Initializer<Structure>& init) { \
 609             JSObject* prototype = capitalName ## Prototype::create(init.vm, init.owner, capitalName ## Prototype::createStructure(init.vm, init.owner, init.owner->m_iteratorPrototype.get())); \
 610             init.set(instanceType::createStructure(init.vm, init.owner, prototype)); \
 611         });
 612     FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE)
 613 #undef CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE
 614
 615     m_propertyNameIteratorStructure.set(vm, this, JSPropertyNameIterator::createStructure(vm, this, m_iteratorPrototype.get()));
 616     m_generatorPrototype.set(vm, this, GeneratorPrototype::create(vm, this, GeneratorPrototype::createStructure(vm, this, m_iteratorPrototype.get())));
 617     m_moduleLoaderPrototype.set(vm, this, ModuleLoaderPrototype::create(vm, this, ModuleLoaderPrototype::createStructure(vm, this, m_objectPrototype.get())));
 618
 619     // Constructors
 620
 621     ObjectConstructor* objectConstructor = ObjectConstructor::create(vm, this, ObjectConstructor::createStructure(vm, this, m_functionPrototype.get()), m_objectPrototype.get());
 622     m_objectConstructor.set(vm, this, objectConstructor);
 623
 624     JSFunction* throwTypeErrorFunction = JSFunction::create(vm, this, 0, String(), globalFuncThrowTypeError);
 625     m_throwTypeErrorFunction.set(vm, this, throwTypeErrorFunction);
 626
 627     JSCell* functionConstructor = FunctionConstructor::create(vm, FunctionConstructor::createStructure(vm, this, m_functionPrototype.get()), m_functionPrototype.get());
 628
 629     ArrayConstructor* arrayConstructor = ArrayConstructor::create(vm, this, ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_arrayPrototype.get(), m_speciesGetterSetter.get());
 630     m_arrayConstructor.set(vm, this, arrayConstructor);
 631
 632     m_regExpConstructor.set(vm, this, RegExpConstructor::create(vm, RegExpConstructor::createStructure(vm, this, m_functionPrototype.get()), m_regExpPrototype.get(), m_speciesGetterSetter.get()));
 633
 634     JSArrayBufferConstructor* arrayBufferConstructor = JSArrayBufferConstructor::create(vm, JSArrayBufferConstructor::createStructure(vm, this, m_functionPrototype.get()), m_arrayBufferPrototype.get(), m_speciesGetterSetter.get(), ArrayBufferSharingMode::Default);
 635     m_arrayBufferPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, arrayBufferConstructor, DontEnum);
 636     JSArrayBufferConstructor* sharedArrayBufferConstructor = nullptr;
 637     sharedArrayBufferConstructor = JSArrayBufferConstructor::create(vm, JSArrayBufferConstructor::createStructure(vm, this, m_functionPrototype.get()), m_sharedArrayBufferPrototype.get(), m_speciesGetterSetter.get(), ArrayBufferSharingMode::Shared);
 638     m_sharedArrayBufferPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, sharedArrayBufferConstructor, DontEnum);
 639
 640 #define CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
 641 capitalName ## Constructor* lowerName ## Constructor = capitalName ## Constructor::create(vm, capitalName ## Constructor::createStructure(vm, this, m_functionPrototype.get()), m_ ## lowerName ## Prototype.get(), m_speciesGetterSetter.get()); \
 642 m_ ## lowerName ## Prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, lowerName ## Constructor, DontEnum); \
 643
 644     FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE)
 645
 646 #undef CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE
 647
 648     m_errorConstructor.set(vm, this, errorConstructor);
 649     m_promiseConstructor.set(vm, this, promiseConstructor);
 650     m_internalPromiseConstructor.set(vm, this, internalPromiseConstructor);
 651
 652     m_nativeErrorPrototypeStructure.set(vm, this, NativeErrorPrototype::createStructure(vm, this, m_errorPrototype.get()));
 653     m_nativeErrorStructure.set(vm, this, NativeErrorConstructor::createStructure(vm, this, m_functionPrototype.get()));
 654     m_evalErrorConstructor.initLater(
 655         [] (const Initializer<NativeErrorConstructor>& init) {
 656             init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("EvalError")));
 657         });
 658     m_rangeErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, m_nativeErrorStructure.get(), m_nativeErrorPrototypeStructure.get(), ASCIILiteral("RangeError")));
 659     m_referenceErrorConstructor.initLater(
 660         [] (const Initializer<NativeErrorConstructor>& init) {
 661             init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("ReferenceError")));
 662         });
 663     m_syntaxErrorConstructor.initLater(
 664         [] (const Initializer<NativeErrorConstructor>& init) {
 665             init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("SyntaxError")));
 666         });
 667     m_typeErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, m_nativeErrorStructure.get(), m_nativeErrorPrototypeStructure.get(), ASCIILiteral("TypeError")));
 668     m_URIErrorConstructor.initLater(
 669         [] (const Initializer<NativeErrorConstructor>& init) {
 670             init.set(NativeErrorConstructor::create(init.vm, init.owner, init.owner->m_nativeErrorStructure.get(), init.owner->m_nativeErrorPrototypeStructure.get(), ASCIILiteral("URIError")));
 671         });
 672
 673     m_generatorFunctionPrototype.set(vm, this, GeneratorFunctionPrototype::create(vm, GeneratorFunctionPrototype::createStructure(vm, this, m_functionPrototype.get())));
 674     GeneratorFunctionConstructor* generatorFunctionConstructor = GeneratorFunctionConstructor::create(vm, GeneratorFunctionConstructor::createStructure(vm, this, functionConstructor), m_generatorFunctionPrototype.get());
 675     m_generatorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, generatorFunctionConstructor, DontEnum | ReadOnly);
 676     m_generatorFunctionStructure.set(vm, this, JSGeneratorFunction::createStructure(vm, this, m_generatorFunctionPrototype.get()));
 677
 678     m_generatorPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_generatorFunctionPrototype.get(), DontEnum | ReadOnly);
 679     m_generatorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->prototype, m_generatorPrototype.get(), DontEnum | ReadOnly);
 680
 681     m_asyncFunctionPrototype.set(vm, this, AsyncFunctionPrototype::create(vm, AsyncFunctionPrototype::createStructure(vm, this, m_functionPrototype.get())));
 682     AsyncFunctionConstructor* asyncFunctionConstructor = AsyncFunctionConstructor::create(vm, AsyncFunctionConstructor::createStructure(vm, this, functionConstructor), m_asyncFunctionPrototype.get());
 683     m_asyncFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, asyncFunctionConstructor, DontEnum | ReadOnly);
 684     m_asyncFunctionStructure.set(vm, this, JSAsyncFunction::createStructure(vm, this, m_asyncFunctionPrototype.get()));
 685
 686     m_objectPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, objectConstructor, DontEnum);
 687     m_functionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, functionConstructor, DontEnum);
 688     m_arrayPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, arrayConstructor, DontEnum);
 689     m_regExpPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_regExpConstructor.get(), DontEnum);
 690
 691     putDirectWithoutTransition(vm, vm.propertyNames->Object, objectConstructor, DontEnum);
 692     putDirectWithoutTransition(vm, vm.propertyNames->Function, functionConstructor, DontEnum);
 693     putDirectWithoutTransition(vm, vm.propertyNames->Array, arrayConstructor, DontEnum);
 694     putDirectWithoutTransition(vm, vm.propertyNames->RegExp, m_regExpConstructor.get(), DontEnum);
 695     putDirectWithoutTransition(vm, vm.propertyNames->RangeError, m_rangeErrorConstructor.get(), DontEnum);
 696     putDirectWithoutTransition(vm, vm.propertyNames->TypeError, m_typeErrorConstructor.get(), DontEnum);
 697
 698     putDirectWithoutTransition(vm, vm.propertyNames->builtinNames().ObjectPrivateName(), objectConstructor, DontEnum | DontDelete | ReadOnly);
 699     putDirectWithoutTransition(vm, vm.propertyNames->builtinNames().ArrayPrivateName(), arrayConstructor, DontEnum | DontDelete | ReadOnly);
 700
 701     putDirectWithoutTransition(vm, vm.propertyNames->ArrayBuffer, arrayBufferConstructor, DontEnum);
 702     putDirectWithoutTransition(vm, vm.propertyNames->SharedArrayBuffer, sharedArrayBufferConstructor, DontEnum);
 703
 704 #define PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
 705 putDirectWithoutTransition(vm, vm.propertyNames-> jsName, lowerName ## Constructor, DontEnum); \
 706
 707     FOR_EACH_SIMPLE_BUILTIN_TYPE_WITH_CONSTRUCTOR(PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE)
 708
 709 #undef PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE
 710     m_iteratorResultObjectStructure.set(vm, this, createIteratorResultObjectStructure(vm, *this));
 711
 712     m_evalFunction.set(vm, this, JSFunction::create(vm, this, 1, vm.propertyNames->eval.string(), globalFuncEval));
 713     putDirectWithoutTransition(vm, vm.propertyNames->eval, m_evalFunction.get(), DontEnum);
 714
 715 #if ENABLE(INTL)
 716     IntlObject* intl = IntlObject::create(vm, this, IntlObject::createStructure(vm, this, m_objectPrototype.get()));
 717     putDirectWithoutTransition(vm, vm.propertyNames->Intl, intl, DontEnum);
 718 #endif // ENABLE(INTL)
 719     ReflectObject* reflectObject = ReflectObject::create(vm, this, ReflectObject::createStructure(vm, this, m_objectPrototype.get()));
 720     putDirectWithoutTransition(vm, vm.propertyNames->Reflect, reflectObject, DontEnum);
 721
 722     m_moduleLoaderStructure.set(vm, this, JSModuleLoader::createStructure(vm, this, m_moduleLoaderPrototype.get()));
 723     m_moduleLoader.set(vm, this, JSModuleLoader::create(globalExec(), vm, this, m_moduleLoaderStructure.get()));
 724     if (Options::exposeInternalModuleLoader())
 725         putDirectWithoutTransition(vm, vm.propertyNames->Loader, m_moduleLoader.get(), DontEnum);
 726
 727     JSFunction* builtinLog = JSFunction::create(vm, this, 1, vm.propertyNames->emptyIdentifier.string(), globalFuncBuiltinLog);
 728
 729     JSFunction* privateFuncAbs = JSFunction::create(vm, this, 0, String(), mathProtoFuncAbs, AbsIntrinsic);
 730     JSFunction* privateFuncFloor = JSFunction::create(vm, this, 0, String(), mathProtoFuncFloor, FloorIntrinsic);
 731     JSFunction* privateFuncTrunc = JSFunction::create(vm, this, 0, String(), mathProtoFuncTrunc, TruncIntrinsic);
 732
 733     JSFunction* privateFuncGetTemplateObject = JSFunction::create(vm, this, 0, String(), getTemplateObject);
 734     JSFunction* privateFuncTypedArrayLength = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncLength);
 735     JSFunction* privateFuncTypedArrayGetOriginalConstructor = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncGetOriginalConstructor);
 736     JSFunction* privateFuncTypedArraySort = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncSort);
 737     JSFunction* privateFuncIsTypedArrayView = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncIsTypedArrayView, IsTypedArrayViewIntrinsic);
 738     JSFunction* privateFuncTypedArraySubarrayCreate = JSFunction::create(vm, this, 0, String(), typedArrayViewPrivateFuncSubarrayCreate);
 739     JSFunction* privateFuncIsBoundFunction = JSFunction::create(vm, this, 0, String(), isBoundFunction);
 740     JSFunction* privateFuncHasInstanceBoundFunction = JSFunction::create(vm, this, 0, String(), hasInstanceBoundFunction);
 741     JSFunction* privateFuncInstanceOf = JSFunction::create(vm, this, 0, String(), objectPrivateFuncInstanceOf);
 742     JSFunction* privateFuncThisTimeValue = JSFunction::create(vm, this, 0, String(), dateProtoFuncGetTime);
 743     JSFunction* privateFuncThisNumberValue = JSFunction::create(vm, this, 0, String(), numberProtoFuncValueOf);
 744     JSFunction* privateFuncIsArrayConstructor = JSFunction::create(vm, this, 0, String(), arrayConstructorPrivateFuncIsArrayConstructor);
 745     JSFunction* privateFuncIsArraySlow = JSFunction::create(vm, this, 0, String(), arrayConstructorPrivateFuncIsArraySlow);
 746     JSFunction* privateFuncConcatMemcpy = JSFunction::create(vm, this, 0, String(), arrayProtoPrivateFuncConcatMemcpy);
 747     JSFunction* privateFuncAppendMemcpy = JSFunction::create(vm, this, 0, String(), arrayProtoPrivateFuncAppendMemcpy);
 748     JSFunction* privateFuncConcatSlowPath = JSFunction::createBuiltinFunction(vm, arrayPrototypeConcatSlowPathCodeGenerator(vm), this);
 749
 750     JSObject* regExpProtoFlagsGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->flags);
 751     ASSERT_UNUSED(catchScope, !catchScope.exception());
 752     JSObject* regExpProtoGlobalGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->global);
 753     ASSERT(!catchScope.exception());
 754     m_regExpProtoGlobalGetter.set(vm, this, regExpProtoGlobalGetterObject);
 755     JSObject* regExpProtoIgnoreCaseGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->ignoreCase);
 756     ASSERT(!catchScope.exception());
 757     JSObject* regExpProtoMultilineGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->multiline);
 758     ASSERT(!catchScope.exception());
 759     JSObject* regExpProtoSourceGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->source);
 760     ASSERT(!catchScope.exception());
 761     JSObject* regExpProtoStickyGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->sticky);
 762     ASSERT(!catchScope.exception());
 763     JSObject* regExpProtoUnicodeGetterObject = getGetterById(exec, m_regExpPrototype.get(), vm.propertyNames->unicode);
 764     ASSERT(!catchScope.exception());
 765     m_regExpProtoUnicodeGetter.set(vm, this, regExpProtoUnicodeGetterObject);
 766     JSObject* builtinRegExpExec = asObject(m_regExpPrototype->getDirect(vm, vm.propertyNames->exec).asCell());
 767     m_regExpProtoExec.set(vm, this, builtinRegExpExec);
 768     JSObject* regExpSymbolReplace = asObject(m_regExpPrototype->getDirect(vm, vm.propertyNames->replaceSymbol).asCell());
 769     m_regExpProtoSymbolReplace.set(vm, this, regExpSymbolReplace);
 770
 771 #define CREATE_PRIVATE_GLOBAL_FUNCTION(name, code) JSFunction* name ## PrivateFunction = JSFunction::createBuiltinFunction(vm, code ## CodeGenerator(vm), this);
 772     JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(CREATE_PRIVATE_GLOBAL_FUNCTION)
 773 #undef CREATE_PRIVATE_GLOBAL_FUNCTION
 774
 775     JSObject* arrayIteratorPrototype = ArrayIteratorPrototype::create(vm, this, ArrayIteratorPrototype::createStructure(vm, this, m_iteratorPrototype.get()));
 776     createArrayIteratorPrivateFunction->putDirect(vm, vm.propertyNames->prototype, arrayIteratorPrototype);
 777
 778     GlobalPropertyInfo staticGlobals[] = {
 779 #define INIT_PRIVATE_GLOBAL(name, code) GlobalPropertyInfo(vm.propertyNames->builtinNames().name ## PrivateName(), name ## PrivateFunction, DontEnum | DontDelete | ReadOnly),
 780         JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(INIT_PRIVATE_GLOBAL)
 781 #undef INIT_PRIVATE_GLOBAL
 782         GlobalPropertyInfo(vm.propertyNames->NaN, jsNaN(), DontEnum | DontDelete | ReadOnly),
 783         GlobalPropertyInfo(vm.propertyNames->Infinity, jsNumber(std::numeric_limits<double>::infinity()), DontEnum | DontDelete | ReadOnly),
 784         GlobalPropertyInfo(vm.propertyNames->undefinedKeyword, jsUndefined(), DontEnum | DontDelete | ReadOnly),
 785         GlobalPropertyInfo(vm.propertyNames->builtinNames().ownEnumerablePropertyKeysPrivateName(), JSFunction::create(vm, this, 0, String(), ownEnumerablePropertyKeys), DontEnum | DontDelete | ReadOnly),
 786         GlobalPropertyInfo(vm.propertyNames->builtinNames().getTemplateObjectPrivateName(), privateFuncGetTemplateObject, DontEnum | DontDelete | ReadOnly),
 787         GlobalPropertyInfo(vm.propertyNames->builtinNames().enqueueJobPrivateName(), JSFunction::create(vm, this, 0, String(), enqueueJob), DontEnum | DontDelete | ReadOnly),
 788         GlobalPropertyInfo(vm.propertyNames->builtinNames().ErrorPrivateName(), m_errorConstructor.get(), DontEnum | DontDelete | ReadOnly),
 789         GlobalPropertyInfo(vm.propertyNames->builtinNames().RangeErrorPrivateName(), m_rangeErrorConstructor.get(), DontEnum | DontDelete | ReadOnly),
 790         GlobalPropertyInfo(vm.propertyNames->builtinNames().TypeErrorPrivateName(), m_typeErrorConstructor.get(), DontEnum | DontDelete | ReadOnly),
 791         GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArrayLengthPrivateName(), privateFuncTypedArrayLength, DontEnum | DontDelete | ReadOnly),
 792         GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArrayGetOriginalConstructorPrivateName(), privateFuncTypedArrayGetOriginalConstructor, DontEnum | DontDelete | ReadOnly),
 793         GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArraySortPrivateName(), privateFuncTypedArraySort, DontEnum | DontDelete | ReadOnly),
 794         GlobalPropertyInfo(vm.propertyNames->builtinNames().isTypedArrayViewPrivateName(), privateFuncIsTypedArrayView, DontEnum | DontDelete | ReadOnly),
 795         GlobalPropertyInfo(vm.propertyNames->builtinNames().typedArraySubarrayCreatePrivateName(), privateFuncTypedArraySubarrayCreate, DontEnum | DontDelete | ReadOnly),
 796         GlobalPropertyInfo(vm.propertyNames->builtinNames().isBoundFunctionPrivateName(), privateFuncIsBoundFunction, DontEnum | DontDelete | ReadOnly),
 797         GlobalPropertyInfo(vm.propertyNames->builtinNames().hasInstanceBoundFunctionPrivateName(), privateFuncHasInstanceBoundFunction, DontEnum | DontDelete | ReadOnly),
 798         GlobalPropertyInfo(vm.propertyNames->builtinNames().instanceOfPrivateName(), privateFuncInstanceOf, DontEnum | DontDelete | ReadOnly),
 799         GlobalPropertyInfo(vm.propertyNames->builtinNames().BuiltinLogPrivateName(), builtinLog, DontEnum | DontDelete | ReadOnly),
 800         GlobalPropertyInfo(vm.propertyNames->builtinNames().NumberPrivateName(), numberConstructor, DontEnum | DontDelete | ReadOnly),
 801         GlobalPropertyInfo(vm.propertyNames->builtinNames().RegExpPrivateName(), m_regExpConstructor.get(), DontEnum | DontDelete | ReadOnly),
 802         GlobalPropertyInfo(vm.propertyNames->builtinNames().StringPrivateName(), stringConstructor, DontEnum | DontDelete | ReadOnly),
 803         GlobalPropertyInfo(vm.propertyNames->builtinNames().absPrivateName(), privateFuncAbs, DontEnum | DontDelete | ReadOnly),
 804         GlobalPropertyInfo(vm.propertyNames->builtinNames().floorPrivateName(), privateFuncFloor, DontEnum | DontDelete | ReadOnly),
 805         GlobalPropertyInfo(vm.propertyNames->builtinNames().truncPrivateName(), privateFuncTrunc, DontEnum | DontDelete | ReadOnly),
 806         GlobalPropertyInfo(vm.propertyNames->builtinNames().PromisePrivateName(), promiseConstructor, DontEnum | DontDelete | ReadOnly),
 807         GlobalPropertyInfo(vm.propertyNames->builtinNames().ReflectPrivateName(), reflectObject, DontEnum | DontDelete | ReadOnly),
 808         GlobalPropertyInfo(vm.propertyNames->builtinNames().InternalPromisePrivateName(), internalPromiseConstructor, DontEnum | DontDelete | ReadOnly),
 809
 810         GlobalPropertyInfo(vm.propertyNames->builtinNames().repeatCharacterPrivateName(), JSFunction::create(vm, this, 2, String(), stringProtoFuncRepeatCharacter), DontEnum | DontDelete | ReadOnly),
 811         GlobalPropertyInfo(vm.propertyNames->builtinNames().SetIteratorPrivateName(), JSFunction::create(vm, this, 1, String(), privateFuncSetIterator), DontEnum | DontDelete | ReadOnly),
 812         GlobalPropertyInfo(vm.propertyNames->builtinNames().setIteratorNextPrivateName(), JSFunction::create(vm, this, 0, String(), privateFuncSetIteratorNext), DontEnum | DontDelete | ReadOnly),
 813         GlobalPropertyInfo(vm.propertyNames->builtinNames().isArrayPrivateName(), arrayConstructor->getDirect(vm, vm.propertyNames->isArray), DontEnum | DontDelete | ReadOnly),
 814         GlobalPropertyInfo(vm.propertyNames->builtinNames().isArraySlowPrivateName(), privateFuncIsArraySlow, DontEnum | DontDelete | ReadOnly),
 815         GlobalPropertyInfo(vm.propertyNames->builtinNames().isArrayConstructorPrivateName(), privateFuncIsArrayConstructor, DontEnum | DontDelete | ReadOnly),
 816         GlobalPropertyInfo(vm.propertyNames->builtinNames().concatMemcpyPrivateName(), privateFuncConcatMemcpy, DontEnum | DontDelete | ReadOnly),
 817         GlobalPropertyInfo(vm.propertyNames->builtinNames().appendMemcpyPrivateName(), privateFuncAppendMemcpy, DontEnum | DontDelete | ReadOnly),
 818         GlobalPropertyInfo(vm.propertyNames->builtinNames().concatSlowPathPrivateName(), privateFuncConcatSlowPath, DontEnum | DontDelete | ReadOnly),
 819         GlobalPropertyInfo(vm.propertyNames->builtinNames().MapIteratorPrivateName(), JSFunction::create(vm, this, 1, String(), privateFuncMapIterator), DontEnum | DontDelete | ReadOnly),
 820         GlobalPropertyInfo(vm.propertyNames->builtinNames().mapIteratorNextPrivateName(), JSFunction::create(vm, this, 0, String(), privateFuncMapIteratorNext), DontEnum | DontDelete | ReadOnly),
 821
 822         GlobalPropertyInfo(vm.propertyNames->builtinNames().InspectorInstrumentationPrivateName(), InspectorInstrumentationObject::create(vm, this, InspectorInstrumentationObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum | DontDelete | ReadOnly),
 823         GlobalPropertyInfo(vm.propertyNames->builtinNames().MapPrivateName(), mapConstructor, DontEnum | DontDelete | ReadOnly),
 824         GlobalPropertyInfo(vm.propertyNames->builtinNames().thisTimeValuePrivateName(), privateFuncThisTimeValue, DontEnum | DontDelete | ReadOnly),
 825         GlobalPropertyInfo(vm.propertyNames->builtinNames().thisNumberValuePrivateName(), privateFuncThisNumberValue, DontEnum | DontDelete | ReadOnly),
 826 #if ENABLE(INTL)
 827         GlobalPropertyInfo(vm.propertyNames->builtinNames().CollatorPrivateName(), intl->getDirect(vm, vm.propertyNames->Collator), DontEnum | DontDelete | ReadOnly),
 828         GlobalPropertyInfo(vm.propertyNames->builtinNames().DateTimeFormatPrivateName(), intl->getDirect(vm, vm.propertyNames->DateTimeFormat), DontEnum | DontDelete | ReadOnly),
 829         GlobalPropertyInfo(vm.propertyNames->builtinNames().NumberFormatPrivateName(), intl->getDirect(vm, vm.propertyNames->NumberFormat), DontEnum | DontDelete | ReadOnly),
 830 #endif // ENABLE(INTL)
 831
 832         GlobalPropertyInfo(vm.propertyNames->builtinNames().isConstructorPrivateName(), JSFunction::create(vm, this, 1, String(), esSpecIsConstructor, NoIntrinsic), DontEnum | DontDelete | ReadOnly),
 833
 834         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoFlagsGetterPrivateName(), regExpProtoFlagsGetterObject, DontEnum | DontDelete | ReadOnly),
 835         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoGlobalGetterPrivateName(), regExpProtoGlobalGetterObject, DontEnum | DontDelete | ReadOnly),
 836         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoIgnoreCaseGetterPrivateName(), regExpProtoIgnoreCaseGetterObject, DontEnum | DontDelete | ReadOnly),
 837         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoMultilineGetterPrivateName(), regExpProtoMultilineGetterObject, DontEnum | DontDelete | ReadOnly),
 838         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoSourceGetterPrivateName(), regExpProtoSourceGetterObject, DontEnum | DontDelete | ReadOnly),
 839         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoStickyGetterPrivateName(), regExpProtoStickyGetterObject, DontEnum | DontDelete | ReadOnly),
 840         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpProtoUnicodeGetterPrivateName(), regExpProtoUnicodeGetterObject, DontEnum | DontDelete | ReadOnly),
 841
 842         // RegExp.prototype helpers.
 843         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpBuiltinExecPrivateName(), builtinRegExpExec, DontEnum | DontDelete | ReadOnly),
 844         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpCreatePrivateName(), JSFunction::create(vm, this, 2, String(), esSpecRegExpCreate, NoIntrinsic), DontEnum | DontDelete | ReadOnly),
 845         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpMatchFastPrivateName(), JSFunction::create(vm, this, 1, String(), regExpProtoFuncMatchFast), DontEnum | DontDelete | ReadOnly),
 846         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpSearchFastPrivateName(), JSFunction::create(vm, this, 1, String(), regExpProtoFuncSearchFast), DontEnum | DontDelete | ReadOnly),
 847         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpSplitFastPrivateName(), JSFunction::create(vm, this, 2, String(), regExpProtoFuncSplitFast), DontEnum | DontDelete | ReadOnly),
 848         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpPrototypeSymbolReplacePrivateName(), m_regExpPrototype->getDirect(vm, vm.propertyNames->replaceSymbol), DontEnum | DontDelete | ReadOnly),
 849         GlobalPropertyInfo(vm.propertyNames->builtinNames().regExpTestFastPrivateName(), JSFunction::create(vm, this, 1, String(), regExpProtoFuncTestFast, RegExpTestFastIntrinsic), DontEnum | DontDelete | ReadOnly),
 850
 851         // String.prototype helpers.
 852         GlobalPropertyInfo(vm.propertyNames->builtinNames().stringIncludesInternalPrivateName(), JSFunction::create(vm, this, 1, String(), builtinStringIncludesInternal), DontEnum | DontDelete | ReadOnly),
 853         GlobalPropertyInfo(vm.propertyNames->builtinNames().stringSplitFastPrivateName(), JSFunction::create(vm, this, 2, String(), stringProtoFuncSplitFast), DontEnum | DontDelete | ReadOnly),
 854         GlobalPropertyInfo(vm.propertyNames->builtinNames().stringSubstrInternalPrivateName(), JSFunction::create(vm, this, 2, String(), builtinStringSubstrInternal), DontEnum | DontDelete | ReadOnly),
 855
 856         // Function prototype helpers.
 857         GlobalPropertyInfo(vm.propertyNames->builtinNames().makeBoundFunctionPrivateName(), JSFunction::create(vm, this, 5, String(), makeBoundFunction), DontEnum | DontDelete | ReadOnly),
 858         GlobalPropertyInfo(vm.propertyNames->builtinNames().hasOwnLengthPropertyPrivateName(), JSFunction::create(vm, this, 1, String(), hasOwnLengthProperty), DontEnum | DontDelete | ReadOnly),
 859     };
 860     addStaticGlobals(staticGlobals, WTF_ARRAY_LENGTH(staticGlobals));
 861
 862     m_specialPointers[Special::CallFunction] = m_callFunction.get();
 863     m_specialPointers[Special::ApplyFunction] = m_applyFunction.get();
 864     m_specialPointers[Special::ObjectConstructor] = objectConstructor;
 865     m_specialPointers[Special::ArrayConstructor] = arrayConstructor;
 866
 867     m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::ThrowTypeErrorFunction)] = m_throwTypeErrorFunction.get();
 868
 869     if (UNLIKELY(Options::useDollarVM())) {
 870         JSDollarVMPrototype* dollarVMPrototype = JSDollarVMPrototype::create(vm, this, JSDollarVMPrototype::createStructure(vm, this, m_objectPrototype.get()));
 871         m_dollarVMStructure.set(vm, this, JSDollarVM::createStructure(vm, this, dollarVMPrototype));
 872         JSDollarVM* dollarVM = JSDollarVM::create(vm, m_dollarVMStructure.get());
 873
 874         GlobalPropertyInfo extraStaticGlobals[] = {
 875             GlobalPropertyInfo(vm.propertyNames->builtinNames().dollarVMPrivateName(), dollarVM, DontEnum | DontDelete | ReadOnly),
 876         };
 877         addStaticGlobals(extraStaticGlobals, WTF_ARRAY_LENGTH(extraStaticGlobals));
 878
 879         putDirectWithoutTransition(vm, Identifier::fromString(exec, "$vm"), dollarVM, DontEnum);
 880     }
 881
 882 #if ENABLE(WEBASSEMBLY)
 883     if (Options::useWebAssembly()) {
 884         auto* webAssemblyPrototype = WebAssemblyPrototype::create(vm, this, WebAssemblyPrototype::createStructure(vm, this, m_objectPrototype.get()));
 885         m_webAssemblyStructure.set(vm, this, JSWebAssembly::createStructure(vm, this, webAssemblyPrototype));
 886         m_webAssemblyModuleRecordStructure.set(vm, this, WebAssemblyModuleRecord::createStructure(vm, this, m_objectPrototype.get()));
 887         m_webAssemblyFunctionStructure.set(vm, this, WebAssemblyFunction::createStructure(vm, this, m_objectPrototype.get()));
 888         auto* webAssembly = JSWebAssembly::create(vm, this, m_webAssemblyStructure.get());
 889         putDirectWithoutTransition(vm, Identifier::fromString(exec, "WebAssembly"), webAssembly, DontEnum);
 890
 891 #define CREATE_WEBASSEMBLY_CONSTRUCTOR(capitalName, lowerName, properName, instanceType, jsName, prototypeBase) do { \
 892         typedef capitalName ## Prototype Prototype; \
 893         typedef capitalName ## Constructor Constructor; \
 894         typedef JS ## capitalName JSObj; \
 895         auto* base = m_ ## prototypeBase ## Prototype.get(); \
 896         auto* prototype = Prototype::create(vm, this, Prototype::createStructure(vm, this, base)); \
 897         auto* structure = JSObj::createStructure(vm, this, prototype); \
 898         auto* constructor = Constructor::create(vm, Constructor::createStructure(vm, this, this->functionPrototype()), prototype); \
 899         prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, constructor, DontEnum); \
 900         m_ ## lowerName ## Prototype.set(vm, this, prototype); \
 901         m_ ## properName ## Structure.set(vm, this, structure); \
 902         webAssembly->putDirectWithoutTransition(vm, Identifier::fromString(this->globalExec(), #jsName), constructor, DontEnum); \
 903     } while (0);
 904
 905         FOR_EACH_WEBASSEMBLY_CONSTRUCTOR_TYPE(CREATE_WEBASSEMBLY_CONSTRUCTOR)
 906
 907 #undef CREATE_WEBASSEMBLY_CONSTRUCTOR
 908     }
 909 #endif // ENABLE(WEBASSEMBLY)
 910
 911     {
 912         ExecState* exec = globalExec();
 913
 914         auto setupAdaptiveWatchpoint = [&] (JSObject* base, const Identifier& ident) -> ObjectPropertyCondition {
 915             // Performing these gets should not throw.
 916             PropertySlot slot(base, PropertySlot::InternalMethodType::Get);
 917             bool result = base->getOwnPropertySlot(base, exec, ident, slot);
 918             ASSERT_UNUSED(result, result);
 919             ASSERT(!catchScope.exception());
 920             RELEASE_ASSERT(slot.isCacheableValue());
 921             JSValue functionValue = slot.getValue(exec, ident);
 922             ASSERT(!catchScope.exception());
 923             ASSERT(jsDynamicCast<JSFunction*>(functionValue));
 924
 925             ObjectPropertyCondition condition = generateConditionForSelfEquivalence(m_vm, nullptr, base, ident.impl());
 926             RELEASE_ASSERT(condition.requiredValue() == functionValue);
 927
 928             bool isWatchable = condition.isWatchable(PropertyCondition::EnsureWatchability);
 929             RELEASE_ASSERT(isWatchable); // We allow this to install the necessary watchpoints.
 930
 931             return condition;
 932         };
 933
 934         {
 935             ObjectPropertyCondition condition = setupAdaptiveWatchpoint(arrayIteratorPrototype, m_vm.propertyNames->next);
 936             m_arrayIteratorPrototypeNext = std::make_unique<ArrayIteratorAdaptiveWatchpoint>(condition, this);
 937             m_arrayIteratorPrototypeNext->install();
 938         }
 939
 940         {
 941             ArrayPrototype* arrayPrototype = this->arrayPrototype();
 942             ObjectPropertyCondition condition = setupAdaptiveWatchpoint(arrayPrototype, m_vm.propertyNames->iteratorSymbol);
 943             m_arrayPrototypeSymbolIteratorWatchpoint = std::make_unique<ArrayIteratorAdaptiveWatchpoint>(condition, this);
 944             m_arrayPrototypeSymbolIteratorWatchpoint->install();
 945         }
 946     }
 947
 948     resetPrototype(vm, getPrototypeDirect());
 949 }
 950
 951 bool JSGlobalObject::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
 952 {
 953     VM& vm = exec->vm();
 954     auto scope = DECLARE_THROW_SCOPE(vm);
 955     JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(cell);
 956     ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject));
 957
 958     if (UNLIKELY(isThisValueAltered(slot, thisObject))) {
 959         scope.release();
 960         return ordinarySetSlow(exec, thisObject, propertyName, value, slot.thisValue(), slot.isStrictMode());
 961     }
 962
 963     bool shouldThrowReadOnlyError = slot.isStrictMode();
 964     bool ignoreReadOnlyErrors = false;
 965     bool putResult = false;
 966     bool done = symbolTablePutTouchWatchpointSet(thisObject, exec, propertyName, value, shouldThrowReadOnlyError, ignoreReadOnlyErrors, putResult);
 967     ASSERT((!!scope.exception() == (done && !putResult)) || !shouldThrowReadOnlyError);
 968     if (done)
 969         return putResult;
 970     scope.release();
 971     return Base::put(thisObject, exec, propertyName, value, slot);
 972 }
 973
 974 bool JSGlobalObject::defineOwnProperty(JSObject* object, ExecState* exec, PropertyName propertyName, const PropertyDescriptor& descriptor, bool shouldThrow)
 975 {
 976     JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(object);
 977     PropertySlot slot(thisObject, PropertySlot::InternalMethodType::VMInquiry);
 978     // silently ignore attempts to add accessors aliasing vars.
 979     if (descriptor.isAccessorDescriptor() && symbolTableGet(thisObject, propertyName, slot))
 980         return false;
 981     return Base::defineOwnProperty(thisObject, exec, propertyName, descriptor, shouldThrow);
 982 }
 983
 984 void JSGlobalObject::addGlobalVar(const Identifier& ident)
 985 {
 986     ConcurrentJSLocker locker(symbolTable()->m_lock);
 987     SymbolTableEntry entry = symbolTable()->get(locker, ident.impl());
 988     if (!entry.isNull())
 989         return;
 990
 991     ScopeOffset offset = symbolTable()->takeNextScopeOffset(locker);
 992     SymbolTableEntry newEntry(VarOffset(offset), 0);
 993     newEntry.prepareToWatch();
 994     symbolTable()->add(locker, ident.impl(), WTFMove(newEntry));
 995
 996     ScopeOffset offsetForAssert = addVariables(1, jsUndefined());
 997     RELEASE_ASSERT(offsetForAssert == offset);
 998 }
 999
1000 void JSGlobalObject::addFunction(ExecState* exec, const Identifier& propertyName)
1001 {
1002     VM& vm = exec->vm();
1003     VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable);
1004     methodTable(vm)->deleteProperty(this, exec, propertyName);
1005     addGlobalVar(propertyName);
1006 }
1007
1008 void JSGlobalObject::setGlobalScopeExtension(JSScope* scope)
1009 {
1010     m_globalScopeExtension.set(vm(), this, scope);
1011 }
1012
1013 void JSGlobalObject::clearGlobalScopeExtension()
1014 {
1015     m_globalScopeExtension.clear();
1016 }
1017
1018 static inline JSObject* lastInPrototypeChain(JSObject* object)
1019 {
1020     JSObject* o = object;
1021     while (o->getPrototypeDirect().isObject())
1022         o = asObject(o->getPrototypeDirect());
1023     return o;
1024 }
1025
1026 // Private namespace for helpers for JSGlobalObject::haveABadTime()
1027 namespace {
1028
1029 class ObjectsWithBrokenIndexingFinder : public MarkedBlock::VoidFunctor {
1030 public:
1031     ObjectsWithBrokenIndexingFinder(MarkedArgumentBuffer&, JSGlobalObject*);
1032     IterationStatus operator()(HeapCell*, HeapCell::Kind) const;
1033
1034 private:
1035     void visit(JSCell*);
1036
1037     MarkedArgumentBuffer& m_foundObjects;
1038     JSGlobalObject* m_globalObject;
1039 };
1040
1041 ObjectsWithBrokenIndexingFinder::ObjectsWithBrokenIndexingFinder(
1042     MarkedArgumentBuffer& foundObjects, JSGlobalObject* globalObject)
1043     : m_foundObjects(foundObjects)
1044     , m_globalObject(globalObject)
1045 {
1046 }
1047
1048 inline bool hasBrokenIndexing(JSObject* object)
1049 {
1050     // This will change if we have more indexing types.
1051     IndexingType type = object->indexingType();
1052     // This could be made obviously more efficient, but isn't made so right now, because
1053     // we expect this to be an unlikely slow path anyway.
1054     return hasUndecided(type) || hasInt32(type) || hasDouble(type) || hasContiguous(type) || hasArrayStorage(type);
1055 }
1056
1057 inline void ObjectsWithBrokenIndexingFinder::visit(JSCell* cell)
1058 {
1059     if (!cell->isObject())
1060         return;
1061
1062     JSObject* object = asObject(cell);
1063
1064     // Run this filter first, since it's cheap, and ought to filter out a lot of objects.
1065     if (!hasBrokenIndexing(object))
1066         return;
1067
1068     // We only want to have a bad time in the affected global object, not in the entire
1069     // VM. But we have to be careful, since there may be objects that claim to belong to
1070     // a different global object that have prototypes from our global object.
1071     bool foundGlobalObject = false;
1072     for (JSObject* current = object; ;) {
1073         if (current->globalObject() == m_globalObject) {
1074             foundGlobalObject = true;
1075             break;
1076         }
1077
1078         JSValue prototypeValue = current->getPrototypeDirect();
1079         if (prototypeValue.isNull())
1080             break;
1081         current = asObject(prototypeValue);
1082     }
1083     if (!foundGlobalObject)
1084         return;
1085
1086     m_foundObjects.append(object);
1087 }
1088
1089 IterationStatus ObjectsWithBrokenIndexingFinder::operator()(HeapCell* cell, HeapCell::Kind kind) const
1090 {
1091     if (kind == HeapCell::JSCell) {
1092         // FIXME: This const_cast exists because this isn't a C++ lambda.
1093         // https://bugs.webkit.org/show_bug.cgi?id=159644
1094         const_cast<ObjectsWithBrokenIndexingFinder*>(this)->visit(static_cast<JSCell*>(cell));
1095     }
1096     return IterationStatus::Continue;
1097 }
1098
1099 } // end private namespace for helpers for JSGlobalObject::haveABadTime()
1100
1101 void JSGlobalObject::haveABadTime(VM& vm)
1102 {
1103     ASSERT(&vm == &this->vm());
1104
1105     if (isHavingABadTime())
1106         return;
1107
1108     // Make sure that all allocations or indexed storage transitions that are inlining
1109     // the assumption that it's safe to transition to a non-SlowPut array storage don't
1110     // do so anymore.
1111     m_havingABadTimeWatchpoint->fireAll(vm, "Having a bad time");
1112     ASSERT(isHavingABadTime()); // The watchpoint is what tells us that we're having a bad time.
1113
1114     // Make sure that all JSArray allocations that load the appropriate structure from
1115     // this object now load a structure that uses SlowPut.
1116     for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
1117         m_arrayStructureForIndexingShapeDuringAllocation[i].set(vm, this, originalArrayStructureForIndexingType(ArrayWithSlowPutArrayStorage));
1118
1119     // Same for any special array structures.
1120     Structure* slowPutStructure;
1121     slowPutStructure = createRegExpMatchesArraySlowPutStructure(vm, this);
1122     m_regExpMatchesArrayStructure.set(vm, this, slowPutStructure);
1123     slowPutStructure = ClonedArguments::createSlowPutStructure(vm, this, m_objectPrototype.get());
1124     m_clonedArgumentsStructure.set(vm, this, slowPutStructure);
1125
1126     // Make sure that all objects that have indexed storage switch to the slow kind of
1127     // indexed storage.
1128     MarkedArgumentBuffer foundObjects; // Use MarkedArgumentBuffer because switchToSlowPutArrayStorage() may GC.
1129     ObjectsWithBrokenIndexingFinder finder(foundObjects, this);
1130     {
1131         HeapIterationScope iterationScope(vm.heap);
1132         vm.heap.objectSpace().forEachLiveCell(iterationScope, finder);
1133     }
1134     while (!foundObjects.isEmpty()) {
1135         JSObject* object = asObject(foundObjects.last());
1136         foundObjects.removeLast();
1137         ASSERT(hasBrokenIndexing(object));
1138         object->switchToSlowPutArrayStorage(vm);
1139     }
1140 }
1141
1142 // Set prototype, and also insert the object prototype at the end of the chain.
1143 void JSGlobalObject::resetPrototype(VM& vm, JSValue prototype)
1144 {
1145     setPrototypeDirect(vm, prototype);
1146
1147     JSObject* oldLastInPrototypeChain = lastInPrototypeChain(this);
1148     JSObject* objectPrototype = m_objectPrototype.get();
1149     if (oldLastInPrototypeChain != objectPrototype)
1150         oldLastInPrototypeChain->setPrototypeDirect(vm, objectPrototype);
1151
1152     // Whenever we change the prototype of the global object, we need to create a new JSProxy with the correct prototype.
1153     setGlobalThis(vm, JSProxy::create(vm, JSProxy::createStructure(vm, this, prototype, PureForwardingProxyType), this));
1154 }
1155
1156 void JSGlobalObject::visitChildren(JSCell* cell, SlotVisitor& visitor)
1157 {
1158     JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(cell);
1159     ASSERT_GC_OBJECT_INHERITS(thisObject, info());
1160     Base::visitChildren(thisObject, visitor);
1161
1162     visitor.append(&thisObject->m_globalThis);
1163
1164     visitor.append(&thisObject->m_globalLexicalEnvironment);
1165     visitor.append(&thisObject->m_globalScopeExtension);
1166     visitor.append(&thisObject->m_globalCallee);
1167     visitor.append(&thisObject->m_regExpConstructor);
1168     visitor.append(&thisObject->m_errorConstructor);
1169     visitor.append(&thisObject->m_nativeErrorPrototypeStructure);
1170     visitor.append(&thisObject->m_nativeErrorStructure);
1171     thisObject->m_evalErrorConstructor.visit(visitor);
1172     visitor.append(&thisObject->m_rangeErrorConstructor);
1173     thisObject->m_referenceErrorConstructor.visit(visitor);
1174     thisObject->m_syntaxErrorConstructor.visit(visitor);
1175     visitor.append(&thisObject->m_typeErrorConstructor);
1176     thisObject->m_URIErrorConstructor.visit(visitor);
1177     visitor.append(&thisObject->m_objectConstructor);
1178     visitor.append(&thisObject->m_promiseConstructor);
1179
1180     visitor.append(&thisObject->m_nullGetterFunction);
1181     visitor.append(&thisObject->m_nullSetterFunction);
1182
1183     visitor.append(&thisObject->m_parseIntFunction);
1184     visitor.append(&thisObject->m_evalFunction);
1185     visitor.append(&thisObject->m_callFunction);
1186     visitor.append(&thisObject->m_applyFunction);
1187     visitor.append(&thisObject->m_throwTypeErrorFunction);
1188     thisObject->m_arrayProtoToStringFunction.visit(visitor);
1189     thisObject->m_arrayProtoValuesFunction.visit(visitor);
1190     thisObject->m_initializePromiseFunction.visit(visitor);
1191     thisObject->m_iteratorProtocolFunction.visit(visitor);
1192     visitor.append(&thisObject->m_newPromiseCapabilityFunction);
1193     visitor.append(&thisObject->m_functionProtoHasInstanceSymbolFunction);
1194     thisObject->m_throwTypeErrorGetterSetter.visit(visitor);
1195     visitor.append(&thisObject->m_throwTypeErrorArgumentsCalleeAndCallerGetterSetter);
1196     visitor.append(&thisObject->m_moduleLoader);
1197
1198     visitor.append(&thisObject->m_objectPrototype);
1199     visitor.append(&thisObject->m_functionPrototype);
1200     visitor.append(&thisObject->m_arrayPrototype);
1201     visitor.append(&thisObject->m_errorPrototype);
1202     visitor.append(&thisObject->m_iteratorPrototype);
1203     visitor.append(&thisObject->m_generatorFunctionPrototype);
1204     visitor.append(&thisObject->m_generatorPrototype);
1205     visitor.append(&thisObject->m_asyncFunctionPrototype);
1206     visitor.append(&thisObject->m_moduleLoaderPrototype);
1207
1208     thisObject->m_debuggerScopeStructure.visit(visitor);
1209     thisObject->m_withScopeStructure.visit(visitor);
1210     visitor.append(&thisObject->m_strictEvalActivationStructure);
1211     visitor.append(&thisObject->m_lexicalEnvironmentStructure);
1212     thisObject->m_moduleEnvironmentStructure.visit(visitor);
1213     visitor.append(&thisObject->m_directArgumentsStructure);
1214     visitor.append(&thisObject->m_scopedArgumentsStructure);
1215     visitor.append(&thisObject->m_clonedArgumentsStructure);
1216     visitor.append(&thisObject->m_objectStructureForObjectConstructor);
1217     for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
1218         visitor.append(&thisObject->m_originalArrayStructureForIndexingShape[i]);
1219     for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
1220         visitor.append(&thisObject->m_arrayStructureForIndexingShapeDuringAllocation[i]);
1221     thisObject->m_callbackConstructorStructure.visit(visitor);
1222     thisObject->m_callbackFunctionStructure.visit(visitor);
1223     thisObject->m_callbackObjectStructure.visit(visitor);
1224     visitor.append(&thisObject->m_propertyNameIteratorStructure);
1225 #if JSC_OBJC_API_ENABLED
1226     thisObject->m_objcCallbackFunctionStructure.visit(visitor);
1227     thisObject->m_objcWrapperObjectStructure.visit(visitor);
1228 #endif
1229     thisObject->m_nullPrototypeObjectStructure.visit(visitor);
1230     visitor.append(&thisObject->m_errorStructure);
1231     visitor.append(&thisObject->m_calleeStructure);
1232     visitor.append(&thisObject->m_functionStructure);
1233     thisObject->m_customGetterSetterFunctionStructure.visit(visitor);
1234     thisObject->m_boundFunctionStructure.visit(visitor);
1235     visitor.append(&thisObject->m_getterSetterStructure);
1236     thisObject->m_nativeStdFunctionStructure.visit(visitor);
1237     thisObject->m_namedFunctionStructure.visit(visitor);
1238     visitor.append(&thisObject->m_symbolObjectStructure);
1239     visitor.append(&thisObject->m_regExpStructure);
1240     visitor.append(&thisObject->m_generatorFunctionStructure);
1241     visitor.append(&thisObject->m_asyncFunctionStructure);
1242     visitor.append(&thisObject->m_iteratorResultObjectStructure);
1243     visitor.append(&thisObject->m_regExpMatchesArrayStructure);
1244     visitor.append(&thisObject->m_moduleRecordStructure);
1245     visitor.append(&thisObject->m_moduleNamespaceObjectStructure);
1246     visitor.append(&thisObject->m_dollarVMStructure);
1247     visitor.append(&thisObject->m_proxyObjectStructure);
1248     visitor.append(&thisObject->m_callableProxyObjectStructure);
1249     visitor.append(&thisObject->m_proxyRevokeStructure);
1250     visitor.append(&thisObject->m_moduleLoaderStructure);
1251
1252     visitor.append(&thisObject->m_arrayBufferPrototype);
1253     visitor.append(&thisObject->m_arrayBufferStructure);
1254     visitor.append(&thisObject->m_sharedArrayBufferPrototype);
1255     visitor.append(&thisObject->m_sharedArrayBufferStructure);
1256
1257 #define VISIT_SIMPLE_TYPE(CapitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
1258     visitor.append(&thisObject->m_ ## lowerName ## Prototype); \
1259     visitor.append(&thisObject->m_ ## properName ## Structure); \
1260
1261     FOR_EACH_SIMPLE_BUILTIN_TYPE(VISIT_SIMPLE_TYPE)
1262
1263 #if ENABLE(WEBASSEMBLY)
1264     visitor.append(&thisObject->m_webAssemblyStructure);
1265     visitor.append(&thisObject->m_webAssemblyModuleRecordStructure);
1266     visitor.append(&thisObject->m_webAssemblyFunctionStructure);
1267     FOR_EACH_WEBASSEMBLY_CONSTRUCTOR_TYPE(VISIT_SIMPLE_TYPE)
1268 #endif // ENABLE(WEBASSEMBLY)
1269
1270 #undef VISIT_SIMPLE_TYPE
1271
1272 #define VISIT_LAZY_TYPE(CapitalName, lowerName, properName, instanceType, jsName, prototypeBase) \
1273     thisObject->m_ ## properName ## Structure.visit(visitor);
1274
1275     FOR_EACH_LAZY_BUILTIN_TYPE(VISIT_LAZY_TYPE)
1276     FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(VISIT_LAZY_TYPE)
1277
1278 #undef VISIT_LAZY_TYPE
1279
1280     for (unsigned i = NUMBER_OF_TYPED_ARRAY_TYPES; i--;)
1281         thisObject->lazyTypedArrayStructure(indexToTypedArrayType(i)).visit(visitor);
1282
1283     visitor.append(&thisObject->m_speciesGetterSetter);
1284     thisObject->m_typedArrayProto.visit(visitor);
1285     thisObject->m_typedArraySuperConstructor.visit(visitor);
1286 }
1287
1288 JSValue JSGlobalObject::toThis(JSCell*, ExecState* exec, ECMAMode ecmaMode)
1289 {
1290     if (ecmaMode == StrictMode)
1291         return jsUndefined();
1292     return exec->globalThisValue();
1293 }
1294
1295 ExecState* JSGlobalObject::globalExec()
1296 {
1297     return CallFrame::create(m_globalCallFrame);
1298 }
1299
1300 void JSGlobalObject::addStaticGlobals(GlobalPropertyInfo* globals, int count)
1301 {
1302     ScopeOffset startOffset = addVariables(count, jsUndefined());
1303
1304     for (int i = 0; i < count; ++i) {
1305         GlobalPropertyInfo& global = globals[i];
1306         ASSERT(global.attributes & DontDelete);
1307
1308         WatchpointSet* watchpointSet = nullptr;
1309         WriteBarrierBase<Unknown>* variable = nullptr;
1310         {
1311             ConcurrentJSLocker locker(symbolTable()->m_lock);
1312             ScopeOffset offset = symbolTable()->takeNextScopeOffset(locker);
1313             RELEASE_ASSERT(offset = startOffset + i);
1314             SymbolTableEntry newEntry(VarOffset(offset), global.attributes);
1315             newEntry.prepareToWatch();
1316             watchpointSet = newEntry.watchpointSet();
1317             symbolTable()->add(locker, global.identifier.impl(), WTFMove(newEntry));
1318             variable = &variableAt(offset);
1319         }
1320         symbolTablePutTouchWatchpointSet(vm(), this, global.identifier, global.value, variable, watchpointSet);
1321     }
1322 }
1323
1324 bool JSGlobalObject::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
1325 {
1326     if (Base::getOwnPropertySlot(object, exec, propertyName, slot))
1327         return true;
1328     return symbolTableGet(jsCast<JSGlobalObject*>(object), propertyName, slot);
1329 }
1330
1331 void JSGlobalObject::clearRareData(JSCell* cell)
1332 {
1333     jsCast<JSGlobalObject*>(cell)->m_rareData = nullptr;
1334 }
1335
1336 void slowValidateCell(JSGlobalObject* globalObject)
1337 {
1338     RELEASE_ASSERT(globalObject->isGlobalObject());
1339     ASSERT_GC_OBJECT_INHERITS(globalObject, JSGlobalObject::info());
1340 }
1341
1342 void JSGlobalObject::setRemoteDebuggingEnabled(bool enabled)
1343 {
1344 #if ENABLE(REMOTE_INSPECTOR)
1345     m_inspectorDebuggable->setRemoteDebuggingAllowed(enabled);
1346 #else
1347     UNUSED_PARAM(enabled);
1348 #endif
1349 }
1350
1351 bool JSGlobalObject::remoteDebuggingEnabled() const
1352 {
1353 #if ENABLE(REMOTE_INSPECTOR)
1354     return m_inspectorDebuggable->remoteDebuggingAllowed();
1355 #else
1356     return false;
1357 #endif
1358 }
1359
1360 #if ENABLE(WEB_REPLAY)
1361 void JSGlobalObject::setInputCursor(PassRefPtr<InputCursor> prpCursor)
1362 {
1363     m_inputCursor = prpCursor;
1364     ASSERT(m_inputCursor);
1365
1366     InputCursor& cursor = inputCursor();
1367     // Save or set the random seed. This performed here rather than the constructor
1368     // to avoid threading the input cursor through all the abstraction layers.
1369     if (cursor.isCapturing())
1370         cursor.appendInput<SetRandomSeed>(m_weakRandom.seed());
1371     else if (cursor.isReplaying()) {
1372         if (SetRandomSeed* input = cursor.fetchInput<SetRandomSeed>())
1373             m_weakRandom.setSeed(static_cast<unsigned>(input->randomSeed()));
1374     }
1375 }
1376 #endif
1377
1378 void JSGlobalObject::setName(const String& name)
1379 {
1380     m_name = name;
1381
1382 #if ENABLE(REMOTE_INSPECTOR)
1383     m_inspectorDebuggable->update();
1384 #endif
1385 }
1386
1387 # if ENABLE(INTL)
1388 const HashSet<String>& JSGlobalObject::intlCollatorAvailableLocales()
1389 {
1390     if (m_intlCollatorAvailableLocales.isEmpty()) {
1391         int32_t count = ucol_countAvailable();
1392         for (int32_t i = 0; i < count; ++i) {
1393             String locale(ucol_getAvailable(i));
1394             convertICULocaleToBCP47LanguageTag(locale);
1395             m_intlCollatorAvailableLocales.add(locale);
1396         }
1397     }
1398     return m_intlCollatorAvailableLocales;
1399 }
1400
1401 const HashSet<String>& JSGlobalObject::intlDateTimeFormatAvailableLocales()
1402 {
1403     if (m_intlDateTimeFormatAvailableLocales.isEmpty()) {
1404         int32_t count = udat_countAvailable();
1405         for (int32_t i = 0; i < count; ++i) {
1406             String locale(udat_getAvailable(i));
1407             convertICULocaleToBCP47LanguageTag(locale);
1408             m_intlDateTimeFormatAvailableLocales.add(locale);
1409         }
1410     }
1411     return m_intlDateTimeFormatAvailableLocales;
1412 }
1413
1414 const HashSet<String>& JSGlobalObject::intlNumberFormatAvailableLocales()
1415 {
1416     if (m_intlNumberFormatAvailableLocales.isEmpty()) {
1417         int32_t count = unum_countAvailable();
1418         for (int32_t i = 0; i < count; ++i) {
1419             String locale(unum_getAvailable(i));
1420             convertICULocaleToBCP47LanguageTag(locale);
1421             m_intlNumberFormatAvailableLocales.add(locale);
1422         }
1423     }
1424     return m_intlNumberFormatAvailableLocales;
1425 }
1426 #endif // ENABLE(INTL)
1427
1428 void JSGlobalObject::queueMicrotask(Ref<Microtask>&& task)
1429 {
1430     if (globalObjectMethodTable()->queueTaskToEventLoop) {
1431         globalObjectMethodTable()->queueTaskToEventLoop(this, WTFMove(task));
1432         return;
1433     }
1434
1435     vm().queueMicrotask(this, WTFMove(task));
1436 }
1437
1438 bool JSGlobalObject::hasDebugger() const
1439 {
1440     return m_debugger;
1441 }
1442
1443 bool JSGlobalObject::hasInteractiveDebugger() const
1444 {
1445     return m_debugger && m_debugger->isInteractivelyDebugging();
1446 }
1447
1448 } // namespace JSC