Move most IDB object encoding/decoding from WebKit2 to WebCore.
[WebKit.git] / Source / JavaScriptCore / runtime / JSGlobalObject.cpp
1 /*
2  * Copyright (C) 2007, 2008, 2009, 2014, 2015 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 "ArrayIteratorPrototype.h"
35 #include "ArrayPrototype.h"
36 #include "BooleanConstructor.h"
37 #include "BooleanPrototype.h"
38 #include "BuiltinNames.h"
39 #include "ClonedArguments.h"
40 #include "CodeBlock.h"
41 #include "CodeCache.h"
42 #include "ConsolePrototype.h"
43 #include "DateConstructor.h"
44 #include "DatePrototype.h"
45 #include "Debugger.h"
46 #include "DebuggerScope.h"
47 #include "DirectArguments.h"
48 #include "Error.h"
49 #include "ErrorConstructor.h"
50 #include "ErrorPrototype.h"
51 #include "FunctionConstructor.h"
52 #include "FunctionPrototype.h"
53 #include "GetterSetter.h"
54 #include "HeapIterationScope.h"
55 #include "InspectorInstrumentationObject.h"
56 #include "Interpreter.h"
57 #include "IteratorPrototype.h"
58 #include "JSAPIWrapperObject.h"
59 #include "JSArrayBuffer.h"
60 #include "JSArrayBufferConstructor.h"
61 #include "JSArrayBufferPrototype.h"
62 #include "JSArrayIterator.h"
63 #include "JSArrowFunction.h"
64 #include "JSBoundFunction.h"
65 #include "JSCInlines.h"
66 #include "JSCallbackConstructor.h"
67 #include "JSCallbackFunction.h"
68 #include "JSCallbackObject.h"
69 #include "JSConsole.h"
70 #include "JSDataView.h"
71 #include "JSDataViewPrototype.h"
72 #include "JSDollarVM.h"
73 #include "JSDollarVMPrototype.h"
74 #include "JSFunction.h"
75 #include "JSGenericTypedArrayViewConstructorInlines.h"
76 #include "JSGenericTypedArrayViewInlines.h"
77 #include "JSGenericTypedArrayViewPrototypeInlines.h"
78 #include "JSGlobalObjectFunctions.h"
79 #include "JSInternalPromise.h"
80 #include "JSInternalPromiseConstructor.h"
81 #include "JSInternalPromisePrototype.h"
82 #include "JSJob.h"
83 #include "JSLexicalEnvironment.h"
84 #include "JSLock.h"
85 #include "JSMap.h"
86 #include "JSMapIterator.h"
87 #include "JSModuleEnvironment.h"
88 #include "JSModuleNamespaceObject.h"
89 #include "JSModuleRecord.h"
90 #include "JSNativeStdFunction.h"
91 #include "JSONObject.h"
92 #include "JSPromise.h"
93 #include "JSPromiseConstructor.h"
94 #include "JSPromisePrototype.h"
95 #include "JSPropertyNameIterator.h"
96 #include "JSSet.h"
97 #include "JSSetIterator.h"
98 #include "JSStringIterator.h"
99 #include "JSTemplateRegistryKey.h"
100 #include "JSTypedArrayConstructors.h"
101 #include "JSTypedArrayPrototypes.h"
102 #include "JSTypedArrays.h"
103 #include "JSWASMModule.h"
104 #include "JSWeakMap.h"
105 #include "JSWeakSet.h"
106 #include "JSWithScope.h"
107 #include "LegacyProfiler.h"
108 #include "Lookup.h"
109 #include "MapConstructor.h"
110 #include "MapIteratorPrototype.h"
111 #include "MapPrototype.h"
112 #include "MathObject.h"
113 #include "Microtask.h"
114 #include "ModuleLoaderObject.h"
115 #include "NativeErrorConstructor.h"
116 #include "NativeErrorPrototype.h"
117 #include "NullGetterFunction.h"
118 #include "NullSetterFunction.h"
119 #include "NumberConstructor.h"
120 #include "NumberPrototype.h"
121 #include "ObjCCallbackFunction.h"
122 #include "ObjectConstructor.h"
123 #include "ObjectPrototype.h"
124 #include "ParserError.h"
125 #include "ReflectObject.h"
126 #include "RegExpConstructor.h"
127 #include "RegExpMatchesArray.h"
128 #include "RegExpObject.h"
129 #include "RegExpPrototype.h"
130 #include "ScopedArguments.h"
131 #include "SetConstructor.h"
132 #include "SetIteratorPrototype.h"
133 #include "SetPrototype.h"
134 #include "StrictEvalActivation.h"
135 #include "StringConstructor.h"
136 #include "StringIteratorPrototype.h"
137 #include "StringPrototype.h"
138 #include "Symbol.h"
139 #include "SymbolConstructor.h"
140 #include "SymbolPrototype.h"
141 #include "VariableWriteFireDetail.h"
142 #include "WeakGCMapInlines.h"
143 #include "WeakMapConstructor.h"
144 #include "WeakMapPrototype.h"
145 #include "WeakSetConstructor.h"
146 #include "WeakSetPrototype.h"
147
148 #if ENABLE(INTL)
149 #include "IntlObject.h"
150 #endif // ENABLE(INTL)
151
152 #if ENABLE(REMOTE_INSPECTOR)
153 #include "JSGlobalObjectDebuggable.h"
154 #include "JSGlobalObjectInspectorController.h"
155 #endif
156
157 #if ENABLE(WEB_REPLAY)
158 #include "EmptyInputCursor.h"
159 #include "JSReplayInputs.h"
160 #endif
161
162 #include "JSGlobalObject.lut.h"
163
164 namespace JSC {
165
166 const ClassInfo JSGlobalObject::s_info = { "GlobalObject", &Base::s_info, &globalObjectTable, CREATE_METHOD_TABLE(JSGlobalObject) };
167
168 const GlobalObjectMethodTable JSGlobalObject::s_globalObjectMethodTable = { &allowsAccessFrom, &supportsProfiling, &supportsRichSourceInfo, &shouldInterruptScript, &javaScriptRuntimeFlags, nullptr, &shouldInterruptScriptBeforeTimeout, nullptr, nullptr, nullptr, nullptr };
169
170 /* Source for JSGlobalObject.lut.h
171 @begin globalObjectTable
172   parseFloat            globalFuncParseFloat            DontEnum|Function 1
173   isNaN                 globalFuncIsNaN                 DontEnum|Function 1
174   isFinite              globalFuncIsFinite              DontEnum|Function 1
175   escape                globalFuncEscape                DontEnum|Function 1
176   unescape              globalFuncUnescape              DontEnum|Function 1
177   decodeURI             globalFuncDecodeURI             DontEnum|Function 1
178   decodeURIComponent    globalFuncDecodeURIComponent    DontEnum|Function 1
179   encodeURI             globalFuncEncodeURI             DontEnum|Function 1
180   encodeURIComponent    globalFuncEncodeURIComponent    DontEnum|Function 1
181 @end
182 */
183
184 static EncodedJSValue JSC_HOST_CALL getTemplateObject(ExecState* exec)
185 {
186     JSValue thisValue = exec->thisValue();
187     ASSERT(thisValue.inherits(JSTemplateRegistryKey::info()));
188     return JSValue::encode(exec->lexicalGlobalObject()->templateRegistry().getTemplateObject(exec, jsCast<JSTemplateRegistryKey*>(thisValue)->templateRegistryKey()));
189 }
190
191
192 static EncodedJSValue JSC_HOST_CALL enqueueJob(ExecState* exec)
193 {
194     VM& vm = exec->vm();
195     JSGlobalObject* globalObject = exec->lexicalGlobalObject();
196
197     JSValue job = exec->argument(0);
198     JSValue arguments = exec->argument(1);
199     ASSERT(arguments.inherits(JSArray::info()));
200
201     globalObject->queueMicrotask(createJSJob(vm, job, jsCast<JSArray*>(arguments)));
202
203     return JSValue::encode(jsUndefined());
204 }
205
206 JSGlobalObject::JSGlobalObject(VM& vm, Structure* structure, const GlobalObjectMethodTable* globalObjectMethodTable)
207     : Base(vm, structure, 0)
208     , m_vm(vm)
209 #if ENABLE(WEB_REPLAY)
210     , m_inputCursor(EmptyInputCursor::create())
211 #endif
212     , m_masqueradesAsUndefinedWatchpoint(adoptRef(new WatchpointSet(IsWatched)))
213     , m_havingABadTimeWatchpoint(adoptRef(new WatchpointSet(IsWatched)))
214     , m_varInjectionWatchpoint(adoptRef(new WatchpointSet(IsWatched)))
215     , m_weakRandom(Options::forceWeakRandomSeed() ? Options::forcedWeakRandomSeed() : static_cast<unsigned>(randomNumber() * (std::numeric_limits<unsigned>::max() + 1.0)))
216     , m_templateRegistry(vm)
217     , m_evalEnabled(true)
218     , m_runtimeFlags()
219     , m_consoleClient(nullptr)
220     , m_globalObjectMethodTable(globalObjectMethodTable ? globalObjectMethodTable : &s_globalObjectMethodTable)
221 {
222 }
223
224 JSGlobalObject::~JSGlobalObject()
225 {
226 #if ENABLE(REMOTE_INSPECTOR)
227     m_inspectorController->globalObjectDestroyed();
228 #endif
229
230     if (m_debugger)
231         m_debugger->detach(this, Debugger::GlobalObjectIsDestructing);
232
233     if (LegacyProfiler* profiler = vm().enabledProfiler())
234         profiler->stopProfiling(this);
235 }
236
237 void JSGlobalObject::destroy(JSCell* cell)
238 {
239     static_cast<JSGlobalObject*>(cell)->JSGlobalObject::~JSGlobalObject();
240 }
241
242 void JSGlobalObject::setGlobalThis(VM& vm, JSObject* globalThis)
243 {
244     m_globalThis.set(vm, this, globalThis);
245 }
246
247 void JSGlobalObject::init(VM& vm)
248 {
249     ASSERT(vm.currentThreadIsHoldingAPILock());
250
251     JSGlobalObject::globalExec()->init(0, 0, CallFrame::noCaller(), 0, 0);
252
253     m_debugger = 0;
254
255 #if ENABLE(REMOTE_INSPECTOR)
256     m_inspectorController = std::make_unique<Inspector::JSGlobalObjectInspectorController>(*this);
257     m_inspectorDebuggable = std::make_unique<JSGlobalObjectDebuggable>(*this);
258     m_inspectorDebuggable->init();
259     m_consoleClient = m_inspectorController->consoleClient();
260 #endif
261
262     ExecState* exec = JSGlobalObject::globalExec();
263
264     m_functionPrototype.set(vm, this, FunctionPrototype::create(vm, FunctionPrototype::createStructure(vm, this, jsNull()))); // The real prototype will be set once ObjectPrototype is created.
265     m_calleeStructure.set(vm, this, JSCallee::createStructure(vm, this, jsNull()));
266
267     m_globalLexicalEnvironment.set(vm, this, JSGlobalLexicalEnvironment::create(vm, JSGlobalLexicalEnvironment::createStructure(vm, this), this));
268     // Need to create the callee structure (above) before creating the callee.
269     m_globalCallee.set(vm, this, JSCallee::create(vm, this, globalScope()));
270     exec->setCallee(m_globalCallee.get());
271
272     m_functionStructure.set(vm, this, JSFunction::createStructure(vm, this, m_functionPrototype.get()));
273     m_arrowFunctionStructure.set(vm, this, JSArrowFunction::createStructure(vm, this, m_functionPrototype.get()));
274     m_boundFunctionStructure.set(vm, this, JSBoundFunction::createStructure(vm, this, m_functionPrototype.get()));
275     m_nativeStdFunctionStructure.set(vm, this, JSNativeStdFunction::createStructure(vm, this, m_functionPrototype.get()));
276     m_namedFunctionStructure.set(vm, this, Structure::addPropertyTransition(vm, m_functionStructure.get(), vm.propertyNames->name, DontDelete | ReadOnly | DontEnum, m_functionNameOffset));
277     m_internalFunctionStructure.set(vm, this, InternalFunction::createStructure(vm, this, m_functionPrototype.get()));
278     JSFunction* callFunction = 0;
279     JSFunction* applyFunction = 0;
280     m_functionPrototype->addFunctionProperties(exec, this, &callFunction, &applyFunction);
281     m_callFunction.set(vm, this, callFunction);
282     m_applyFunction.set(vm, this, applyFunction);
283     m_arrayProtoValuesFunction.set(vm, this, JSFunction::create(vm, this, 0, vm.propertyNames->values.string(), arrayProtoFuncValues));
284     m_initializePromiseFunction.set(vm, this, JSFunction::createBuiltinFunction(vm, operationsPromiseInitializePromiseCodeGenerator(vm), this));
285     m_newPromiseCapabilityFunction.set(vm, this, JSFunction::createBuiltinFunction(vm, operationsPromiseNewPromiseCapabilityCodeGenerator(vm), this));
286     m_nullGetterFunction.set(vm, this, NullGetterFunction::create(vm, NullGetterFunction::createStructure(vm, this, m_functionPrototype.get())));
287     m_nullSetterFunction.set(vm, this, NullSetterFunction::create(vm, NullSetterFunction::createStructure(vm, this, m_functionPrototype.get())));
288     m_objectPrototype.set(vm, this, ObjectPrototype::create(vm, this, ObjectPrototype::createStructure(vm, this, jsNull())));
289     GetterSetter* protoAccessor = GetterSetter::create(vm, this);
290     protoAccessor->setGetter(vm, this, JSFunction::create(vm, this, 0, String(), globalFuncProtoGetter));
291     protoAccessor->setSetter(vm, this, JSFunction::create(vm, this, 0, String(), globalFuncProtoSetter));
292     m_objectPrototype->putDirectNonIndexAccessor(vm, vm.propertyNames->underscoreProto, protoAccessor, Accessor | DontEnum);
293     m_functionPrototype->structure()->setPrototypeWithoutTransition(vm, m_objectPrototype.get());
294     
295     m_typedArrays[toIndex(TypeInt8)].prototype.set(vm, this, JSInt8ArrayPrototype::create(vm, this, JSInt8ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
296     m_typedArrays[toIndex(TypeInt16)].prototype.set(vm, this, JSInt16ArrayPrototype::create(vm, this, JSInt16ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
297     m_typedArrays[toIndex(TypeInt32)].prototype.set(vm, this, JSInt32ArrayPrototype::create(vm, this, JSInt32ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
298     m_typedArrays[toIndex(TypeUint8)].prototype.set(vm, this, JSUint8ArrayPrototype::create(vm, this, JSUint8ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
299     m_typedArrays[toIndex(TypeUint8Clamped)].prototype.set(vm, this, JSUint8ClampedArrayPrototype::create(vm, this, JSUint8ClampedArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
300     m_typedArrays[toIndex(TypeUint16)].prototype.set(vm, this, JSUint16ArrayPrototype::create(vm, this, JSUint16ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
301     m_typedArrays[toIndex(TypeUint32)].prototype.set(vm, this, JSUint32ArrayPrototype::create(vm, this, JSUint32ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
302     m_typedArrays[toIndex(TypeFloat32)].prototype.set(vm, this, JSFloat32ArrayPrototype::create(vm, this, JSFloat32ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
303     m_typedArrays[toIndex(TypeFloat64)].prototype.set(vm, this, JSFloat64ArrayPrototype::create(vm, this, JSFloat64ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
304     m_typedArrays[toIndex(TypeDataView)].prototype.set(vm, this, JSDataViewPrototype::create(vm, JSDataViewPrototype::createStructure(vm, this, m_objectPrototype.get())));
305     
306     m_typedArrays[toIndex(TypeInt8)].structure.set(vm, this, JSInt8Array::createStructure(vm, this, m_typedArrays[toIndex(TypeInt8)].prototype.get()));
307     m_typedArrays[toIndex(TypeInt16)].structure.set(vm, this, JSInt16Array::createStructure(vm, this, m_typedArrays[toIndex(TypeInt16)].prototype.get()));
308     m_typedArrays[toIndex(TypeInt32)].structure.set(vm, this, JSInt32Array::createStructure(vm, this, m_typedArrays[toIndex(TypeInt32)].prototype.get()));
309     m_typedArrays[toIndex(TypeUint8)].structure.set(vm, this, JSUint8Array::createStructure(vm, this, m_typedArrays[toIndex(TypeUint8)].prototype.get()));
310     m_typedArrays[toIndex(TypeUint8Clamped)].structure.set(vm, this, JSUint8ClampedArray::createStructure(vm, this, m_typedArrays[toIndex(TypeUint8Clamped)].prototype.get()));
311     m_typedArrays[toIndex(TypeUint16)].structure.set(vm, this, JSUint16Array::createStructure(vm, this, m_typedArrays[toIndex(TypeUint16)].prototype.get()));
312     m_typedArrays[toIndex(TypeUint32)].structure.set(vm, this, JSUint32Array::createStructure(vm, this, m_typedArrays[toIndex(TypeUint32)].prototype.get()));
313     m_typedArrays[toIndex(TypeFloat32)].structure.set(vm, this, JSFloat32Array::createStructure(vm, this, m_typedArrays[toIndex(TypeFloat32)].prototype.get()));
314     m_typedArrays[toIndex(TypeFloat64)].structure.set(vm, this, JSFloat64Array::createStructure(vm, this, m_typedArrays[toIndex(TypeFloat64)].prototype.get()));
315     m_typedArrays[toIndex(TypeDataView)].structure.set(vm, this, JSDataView::createStructure(vm, this, m_typedArrays[toIndex(TypeDataView)].prototype.get()));
316     
317     m_lexicalEnvironmentStructure.set(vm, this, JSLexicalEnvironment::createStructure(vm, this));
318     m_moduleEnvironmentStructure.set(vm, this, JSModuleEnvironment::createStructure(vm, this));
319     m_strictEvalActivationStructure.set(vm, this, StrictEvalActivation::createStructure(vm, this, jsNull()));
320     m_debuggerScopeStructure.set(m_vm, this, DebuggerScope::createStructure(m_vm, this));
321     m_withScopeStructure.set(vm, this, JSWithScope::createStructure(vm, this, jsNull()));
322     
323     m_nullPrototypeObjectStructure.set(vm, this, JSFinalObject::createStructure(vm, this, jsNull(), JSFinalObject::defaultInlineCapacity()));
324     
325     m_callbackFunctionStructure.set(vm, this, JSCallbackFunction::createStructure(vm, this, m_functionPrototype.get()));
326     m_directArgumentsStructure.set(vm, this, DirectArguments::createStructure(vm, this, m_objectPrototype.get()));
327     m_scopedArgumentsStructure.set(vm, this, ScopedArguments::createStructure(vm, this, m_objectPrototype.get()));
328     m_outOfBandArgumentsStructure.set(vm, this, ClonedArguments::createStructure(vm, this, m_objectPrototype.get()));
329     m_callbackConstructorStructure.set(vm, this, JSCallbackConstructor::createStructure(vm, this, m_objectPrototype.get()));
330     m_callbackObjectStructure.set(vm, this, JSCallbackObject<JSDestructibleObject>::createStructure(vm, this, m_objectPrototype.get()));
331
332 #if JSC_OBJC_API_ENABLED
333     m_objcCallbackFunctionStructure.set(vm, this, ObjCCallbackFunction::createStructure(vm, this, m_functionPrototype.get()));
334     m_objcWrapperObjectStructure.set(vm, this, JSCallbackObject<JSAPIWrapperObject>::createStructure(vm, this, m_objectPrototype.get()));
335 #endif
336     
337     m_arrayPrototype.set(vm, this, ArrayPrototype::create(vm, this, ArrayPrototype::createStructure(vm, this, m_objectPrototype.get())));
338     
339     m_originalArrayStructureForIndexingShape[UndecidedShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithUndecided));
340     m_originalArrayStructureForIndexingShape[Int32Shape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithInt32));
341     m_originalArrayStructureForIndexingShape[DoubleShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithDouble));
342     m_originalArrayStructureForIndexingShape[ContiguousShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithContiguous));
343     m_originalArrayStructureForIndexingShape[ArrayStorageShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithArrayStorage));
344     m_originalArrayStructureForIndexingShape[SlowPutArrayStorageShape >> IndexingShapeShift].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithSlowPutArrayStorage));
345     for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
346         m_arrayStructureForIndexingShapeDuringAllocation[i] = m_originalArrayStructureForIndexingShape[i];
347
348     RegExp* emptyRegex = RegExp::create(vm, "", NoFlags);
349     
350     m_regExpPrototype.set(vm, this, RegExpPrototype::create(vm, RegExpPrototype::createStructure(vm, this, m_objectPrototype.get()), emptyRegex));
351     m_regExpStructure.set(vm, this, RegExpObject::createStructure(vm, this, m_regExpPrototype.get()));
352     m_regExpMatchesArrayStructure.set(vm, this, createRegExpMatchesArrayStructure(vm, *this));
353
354     m_moduleRecordStructure.set(vm, this, JSModuleRecord::createStructure(vm, this, m_objectPrototype.get()));
355     m_moduleNamespaceObjectStructure.set(vm, this, JSModuleNamespaceObject::createStructure(vm, this, jsNull()));
356     
357 #if ENABLE(WEBASSEMBLY)
358     m_wasmModuleStructure.set(vm, this, JSWASMModule::createStructure(vm, this));
359 #endif
360
361     m_parseIntFunction.set(vm, this, JSFunction::create(vm, this, 2, vm.propertyNames->parseInt.string(), globalFuncParseInt, NoIntrinsic));
362     putDirectWithoutTransition(vm, vm.propertyNames->parseInt, m_parseIntFunction.get(), DontEnum);
363
364 #define CREATE_PROTOTYPE_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName) \
365 m_ ## lowerName ## Prototype.set(vm, this, capitalName##Prototype::create(vm, this, capitalName##Prototype::createStructure(vm, this, m_objectPrototype.get()))); \
366 m_ ## properName ## Structure.set(vm, this, instanceType::createStructure(vm, this, m_ ## lowerName ## Prototype.get()));
367     
368     FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_SIMPLE_TYPE)
369     
370 #undef CREATE_PROTOTYPE_FOR_SIMPLE_TYPE
371
372     m_iteratorPrototype.set(vm, this, IteratorPrototype::create(vm, this, IteratorPrototype::createStructure(vm, this, m_objectPrototype.get())));
373
374 #define CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE(capitalName, lowerName, properName, instanceType, jsName) \
375 m_ ## lowerName ## Prototype.set(vm, this, capitalName##Prototype::create(vm, this, capitalName##Prototype::createStructure(vm, this, m_iteratorPrototype.get()))); \
376 m_ ## properName ## Structure.set(vm, this, instanceType::createStructure(vm, this, m_ ## lowerName ## Prototype.get()));
377     
378     FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE)
379     m_propertyNameIteratorStructure.set(vm, this, JSPropertyNameIterator::createStructure(vm, this, m_iteratorPrototype.get()));
380     
381 #undef CREATE_PROTOTYPE_FOR_DERIVED_ITERATOR_TYPE
382
383     // Constructors
384     
385     ObjectConstructor* objectConstructor = ObjectConstructor::create(vm, this, ObjectConstructor::createStructure(vm, this, m_functionPrototype.get()), m_objectPrototype.get());
386     m_objectConstructor.set(vm, this, objectConstructor);
387
388     JSFunction* definePropertyFunction = m_objectConstructor->addDefineProperty(exec, this);
389     m_definePropertyFunction.set(vm, this, definePropertyFunction);
390
391     JSCell* functionConstructor = FunctionConstructor::create(vm, FunctionConstructor::createStructure(vm, this, m_functionPrototype.get()), m_functionPrototype.get());
392     JSCell* arrayConstructor = ArrayConstructor::create(vm, ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_arrayPrototype.get());
393     
394     m_regExpConstructor.set(vm, this, RegExpConstructor::create(vm, RegExpConstructor::createStructure(vm, this, m_functionPrototype.get()), m_regExpPrototype.get()));
395     
396 #define CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName) \
397 capitalName ## Constructor* lowerName ## Constructor = capitalName ## Constructor::create(vm, capitalName ## Constructor::createStructure(vm, this, m_functionPrototype.get()), m_ ## lowerName ## Prototype.get()); \
398 m_ ## lowerName ## Prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, lowerName ## Constructor, DontEnum); \
399
400     FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE)
401     
402 #undef CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE
403     
404     m_errorConstructor.set(vm, this, errorConstructor);
405     m_promiseConstructor.set(vm, this, promiseConstructor);
406     m_internalPromiseConstructor.set(vm, this, internalPromiseConstructor);
407     
408     Structure* nativeErrorPrototypeStructure = NativeErrorPrototype::createStructure(vm, this, m_errorPrototype.get());
409     Structure* nativeErrorStructure = NativeErrorConstructor::createStructure(vm, this, m_functionPrototype.get());
410     m_evalErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("EvalError")));
411     m_rangeErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("RangeError")));
412     m_referenceErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("ReferenceError")));
413     m_syntaxErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("SyntaxError")));
414     m_typeErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("TypeError")));
415     m_URIErrorConstructor.set(vm, this, NativeErrorConstructor::create(vm, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("URIError")));
416     
417     m_objectPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, objectConstructor, DontEnum);
418     m_functionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, functionConstructor, DontEnum);
419     m_arrayPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, arrayConstructor, DontEnum);
420     m_regExpPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_regExpConstructor.get(), DontEnum);
421     
422     putDirectWithoutTransition(vm, vm.propertyNames->Object, objectConstructor, DontEnum);
423     putDirectWithoutTransition(vm, vm.propertyNames->Function, functionConstructor, DontEnum);
424     putDirectWithoutTransition(vm, vm.propertyNames->Array, arrayConstructor, DontEnum);
425     putDirectWithoutTransition(vm, vm.propertyNames->RegExp, m_regExpConstructor.get(), DontEnum);
426     putDirectWithoutTransition(vm, vm.propertyNames->EvalError, m_evalErrorConstructor.get(), DontEnum);
427     putDirectWithoutTransition(vm, vm.propertyNames->RangeError, m_rangeErrorConstructor.get(), DontEnum);
428     putDirectWithoutTransition(vm, vm.propertyNames->ReferenceError, m_referenceErrorConstructor.get(), DontEnum);
429     putDirectWithoutTransition(vm, vm.propertyNames->SyntaxError, m_syntaxErrorConstructor.get(), DontEnum);
430     putDirectWithoutTransition(vm, vm.propertyNames->TypeError, m_typeErrorConstructor.get(), DontEnum);
431     putDirectWithoutTransition(vm, vm.propertyNames->URIError, m_URIErrorConstructor.get(), DontEnum);
432     
433     
434 #define PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName) \
435 putDirectWithoutTransition(vm, vm.propertyNames-> jsName, lowerName ## Constructor, DontEnum); \
436
437     FOR_EACH_SIMPLE_BUILTIN_TYPE_WITH_CONSTRUCTOR(PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE)
438
439 #undef PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE
440     PrototypeMap& prototypeMap = vm.prototypeMap;
441     Structure* iteratorResultStructure = prototypeMap.emptyObjectStructureForPrototype(m_objectPrototype.get(), JSFinalObject::defaultInlineCapacity());
442     PropertyOffset offset;
443     iteratorResultStructure = Structure::addPropertyTransition(vm, iteratorResultStructure, vm.propertyNames->done, 0, offset);
444     iteratorResultStructure = Structure::addPropertyTransition(vm, iteratorResultStructure, vm.propertyNames->value, 0, offset);
445     m_iteratorResultStructure.set(vm, this, iteratorResultStructure);
446     
447     m_evalFunction.set(vm, this, JSFunction::create(vm, this, 1, vm.propertyNames->eval.string(), globalFuncEval));
448     putDirectWithoutTransition(vm, vm.propertyNames->eval, m_evalFunction.get(), DontEnum);
449     
450 #if ENABLE(INTL)
451     putDirectWithoutTransition(vm, vm.propertyNames->Intl, IntlObject::create(vm, this, IntlObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum);
452 #endif // ENABLE(INTL)
453     putDirectWithoutTransition(vm, vm.propertyNames->JSON, JSONObject::create(vm, JSONObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum);
454     putDirectWithoutTransition(vm, vm.propertyNames->Math, MathObject::create(vm, this, MathObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum);
455     putDirectWithoutTransition(vm, vm.propertyNames->Reflect, ReflectObject::create(vm, this, ReflectObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum);
456
457     std::array<InternalFunction*, NUMBER_OF_TYPED_ARRAY_TYPES> typedArrayConstructors;
458     typedArrayConstructors[toIndex(TypeInt8)] = JSInt8ArrayConstructor::create(vm, JSInt8ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeInt8)].prototype.get(), ASCIILiteral("Int8Array"));
459     typedArrayConstructors[toIndex(TypeInt16)] = JSInt16ArrayConstructor::create(vm, JSInt16ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeInt16)].prototype.get(), ASCIILiteral("Int16Array"));
460     typedArrayConstructors[toIndex(TypeInt32)] = JSInt32ArrayConstructor::create(vm, JSInt32ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeInt32)].prototype.get(), ASCIILiteral("Int32Array"));
461     typedArrayConstructors[toIndex(TypeUint8)] = JSUint8ArrayConstructor::create(vm, JSUint8ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeUint8)].prototype.get(), ASCIILiteral("Uint8Array"));
462     typedArrayConstructors[toIndex(TypeUint8Clamped)] = JSUint8ClampedArrayConstructor::create(vm, JSUint8ClampedArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeUint8Clamped)].prototype.get(), ASCIILiteral("Uint8ClampedArray"));
463     typedArrayConstructors[toIndex(TypeUint16)] = JSUint16ArrayConstructor::create(vm, JSUint16ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeUint16)].prototype.get(), ASCIILiteral("Uint16Array"));
464     typedArrayConstructors[toIndex(TypeUint32)] = JSUint32ArrayConstructor::create(vm, JSUint32ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeUint32)].prototype.get(), ASCIILiteral("Uint32Array"));
465     typedArrayConstructors[toIndex(TypeFloat32)] = JSFloat32ArrayConstructor::create(vm, JSFloat32ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeFloat32)].prototype.get(), ASCIILiteral("Float32Array"));
466     typedArrayConstructors[toIndex(TypeFloat64)] = JSFloat64ArrayConstructor::create(vm, JSFloat64ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeFloat64)].prototype.get(), ASCIILiteral("Float64Array"));
467     typedArrayConstructors[toIndex(TypeDataView)] = JSDataViewConstructor::create(vm, JSDataViewConstructor::createStructure(vm, this, m_functionPrototype.get()), m_typedArrays[toIndex(TypeDataView)].prototype.get(), ASCIILiteral("DataView"));
468     
469     for (unsigned typedArrayIndex = NUMBER_OF_TYPED_ARRAY_TYPES; typedArrayIndex--;) {
470         m_typedArrays[typedArrayIndex].prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, typedArrayConstructors[typedArrayIndex], DontEnum);
471         putDirectWithoutTransition(vm, Identifier::fromString(exec, typedArrayConstructors[typedArrayIndex]->name(exec)), typedArrayConstructors[typedArrayIndex], DontEnum);
472     }
473
474     m_moduleLoader.set(vm, this, ModuleLoaderObject::create(vm, this, ModuleLoaderObject::createStructure(vm, this, m_objectPrototype.get())));
475     if (Options::exposeInternalModuleLoader())
476         putDirectWithoutTransition(vm, vm.propertyNames->Loader, m_moduleLoader.get(), DontEnum);
477
478     JSFunction* builtinLog = JSFunction::create(vm, this, 1, vm.propertyNames->emptyIdentifier.string(), globalFuncBuiltinLog);
479
480     JSFunction* privateFuncAbs = JSFunction::create(vm, this, 0, String(), mathProtoFuncAbs, AbsIntrinsic);
481     JSFunction* privateFuncFloor = JSFunction::create(vm, this, 0, String(), mathProtoFuncFloor, FloorIntrinsic);
482     JSFunction* privateFuncIsFinite = JSFunction::create(vm, this, 0, String(), globalFuncIsFinite);
483
484     JSFunction* privateFuncGetTemplateObject = JSFunction::create(vm, this, 0, String(), getTemplateObject);
485     JSFunction* privateFuncToLength = JSFunction::createBuiltinFunction(vm, globalObjectToLengthCodeGenerator(vm), this);
486     JSFunction* privateFuncToInteger = JSFunction::createBuiltinFunction(vm, globalObjectToIntegerCodeGenerator(vm), this);
487
488     GlobalPropertyInfo staticGlobals[] = {
489         GlobalPropertyInfo(vm.propertyNames->NaN, jsNaN(), DontEnum | DontDelete | ReadOnly),
490         GlobalPropertyInfo(vm.propertyNames->Infinity, jsNumber(std::numeric_limits<double>::infinity()), DontEnum | DontDelete | ReadOnly),
491         GlobalPropertyInfo(vm.propertyNames->undefinedKeyword, jsUndefined(), DontEnum | DontDelete | ReadOnly),
492         GlobalPropertyInfo(vm.propertyNames->undefinedPrivateName, jsUndefined(), DontEnum | DontDelete | ReadOnly),
493         GlobalPropertyInfo(vm.propertyNames->ObjectPrivateName, objectConstructor, DontEnum | DontDelete | ReadOnly),
494         GlobalPropertyInfo(vm.propertyNames->ownEnumerablePropertyKeysPrivateName, JSFunction::create(vm, this, 0, String(), ownEnumerablePropertyKeys), DontEnum | DontDelete | ReadOnly),
495         GlobalPropertyInfo(vm.propertyNames->getTemplateObjectPrivateName, privateFuncGetTemplateObject, DontEnum | DontDelete | ReadOnly),
496         GlobalPropertyInfo(vm.propertyNames->enqueueJobPrivateName, JSFunction::create(vm, this, 0, String(), enqueueJob), DontEnum | DontDelete | ReadOnly),
497         GlobalPropertyInfo(vm.propertyNames->TypeErrorPrivateName, m_typeErrorConstructor.get(), DontEnum | DontDelete | ReadOnly),
498         GlobalPropertyInfo(vm.propertyNames->BuiltinLogPrivateName, builtinLog, DontEnum | DontDelete | ReadOnly),
499         GlobalPropertyInfo(vm.propertyNames->ArrayPrivateName, arrayConstructor, DontEnum | DontDelete | ReadOnly),
500         GlobalPropertyInfo(vm.propertyNames->NumberPrivateName, numberConstructor, DontEnum | DontDelete | ReadOnly),
501         GlobalPropertyInfo(vm.propertyNames->StringPrivateName, stringConstructor, DontEnum | DontDelete | ReadOnly),
502         GlobalPropertyInfo(vm.propertyNames->absPrivateName, privateFuncAbs, DontEnum | DontDelete | ReadOnly),
503         GlobalPropertyInfo(vm.propertyNames->floorPrivateName, privateFuncFloor, DontEnum | DontDelete | ReadOnly),
504         GlobalPropertyInfo(vm.propertyNames->getPrototypeOfPrivateName, privateFuncFloor, DontEnum | DontDelete | ReadOnly),
505         GlobalPropertyInfo(vm.propertyNames->getOwnPropertyNamesPrivateName, privateFuncFloor, DontEnum | DontDelete | ReadOnly),
506         GlobalPropertyInfo(vm.propertyNames->isFinitePrivateName, privateFuncIsFinite, DontEnum | DontDelete | ReadOnly),
507         GlobalPropertyInfo(vm.propertyNames->arrayIterationKindKeyPrivateName, jsNumber(ArrayIterateKey), DontEnum | DontDelete | ReadOnly),
508         GlobalPropertyInfo(vm.propertyNames->arrayIterationKindValuePrivateName, jsNumber(ArrayIterateValue), DontEnum | DontDelete | ReadOnly),
509         GlobalPropertyInfo(vm.propertyNames->arrayIterationKindKeyValuePrivateName, jsNumber(ArrayIterateKeyValue), DontEnum | DontDelete | ReadOnly),
510         GlobalPropertyInfo(vm.propertyNames->builtinNames().symbolIteratorPrivateName(), Symbol::create(vm, static_cast<SymbolImpl&>(*vm.propertyNames->iteratorSymbol.impl())), DontEnum | DontDelete | ReadOnly),
511         GlobalPropertyInfo(vm.propertyNames->PromisePrivateName, promiseConstructor, DontEnum | DontDelete | ReadOnly),
512         GlobalPropertyInfo(vm.propertyNames->InternalPromisePrivateName, internalPromiseConstructor, DontEnum | DontDelete | ReadOnly),
513         GlobalPropertyInfo(vm.propertyNames->promisePendingPrivateName, jsNumber(static_cast<unsigned>(JSPromise::Status::Pending)), DontEnum | DontDelete | ReadOnly),
514         GlobalPropertyInfo(vm.propertyNames->builtinNames().promiseFulfilledPrivateName(), jsNumber(static_cast<unsigned>(JSPromise::Status::Fulfilled)), DontEnum | DontDelete | ReadOnly),
515         GlobalPropertyInfo(vm.propertyNames->builtinNames().promiseRejectedPrivateName(), jsNumber(static_cast<unsigned>(JSPromise::Status::Rejected)), DontEnum | DontDelete | ReadOnly),
516         GlobalPropertyInfo(vm.propertyNames->builtinNames().toLengthPrivateName(), privateFuncToLength, DontEnum | DontDelete | ReadOnly),
517         GlobalPropertyInfo(vm.propertyNames->builtinNames().toIntegerPrivateName(), privateFuncToInteger, DontEnum | DontDelete | ReadOnly),
518         GlobalPropertyInfo(vm.propertyNames->builtinNames().isObjectPrivateName(), JSFunction::createBuiltinFunction(vm, globalObjectIsObjectCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly),
519         GlobalPropertyInfo(vm.propertyNames->builtinNames().isPromisePrivateName(), JSFunction::createBuiltinFunction(vm, operationsPromiseIsPromiseCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly),
520         GlobalPropertyInfo(vm.propertyNames->builtinNames().newPromiseReactionPrivateName(), JSFunction::createBuiltinFunction(vm, operationsPromiseNewPromiseReactionCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly),
521         GlobalPropertyInfo(vm.propertyNames->builtinNames().newPromiseCapabilityPrivateName(), m_newPromiseCapabilityFunction.get(), DontEnum | DontDelete | ReadOnly),
522         GlobalPropertyInfo(vm.propertyNames->builtinNames().triggerPromiseReactionsPrivateName(), JSFunction::createBuiltinFunction(vm, operationsPromiseTriggerPromiseReactionsCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly),
523         GlobalPropertyInfo(vm.propertyNames->builtinNames().rejectPromisePrivateName(), JSFunction::createBuiltinFunction(vm, operationsPromiseRejectPromiseCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly),
524         GlobalPropertyInfo(vm.propertyNames->builtinNames().fulfillPromisePrivateName(), JSFunction::createBuiltinFunction(vm, operationsPromiseFulfillPromiseCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly),
525         GlobalPropertyInfo(vm.propertyNames->builtinNames().createResolvingFunctionsPrivateName(), JSFunction::createBuiltinFunction(vm, operationsPromiseCreateResolvingFunctionsCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly),
526         GlobalPropertyInfo(vm.propertyNames->builtinNames().promiseReactionJobPrivateName(), JSFunction::createBuiltinFunction(vm, operationsPromisePromiseReactionJobCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly),
527         GlobalPropertyInfo(vm.propertyNames->builtinNames().promiseResolveThenableJobPrivateName(), JSFunction::createBuiltinFunction(vm, operationsPromisePromiseResolveThenableJobCodeGenerator(vm), this), DontEnum | DontDelete | ReadOnly),
528         GlobalPropertyInfo(vm.propertyNames->builtinNames().InspectorInstrumentationPrivateName(), InspectorInstrumentationObject::create(vm, this, InspectorInstrumentationObject::createStructure(vm, this, m_objectPrototype.get())), DontEnum | DontDelete | ReadOnly),
529         GlobalPropertyInfo(vm.propertyNames->MapPrivateName, mapConstructor, DontEnum | DontDelete | ReadOnly),
530     };
531     addStaticGlobals(staticGlobals, WTF_ARRAY_LENGTH(staticGlobals));
532     
533     m_specialPointers[Special::CallFunction] = m_callFunction.get();
534     m_specialPointers[Special::ApplyFunction] = m_applyFunction.get();
535     m_specialPointers[Special::ObjectConstructor] = objectConstructor;
536     m_specialPointers[Special::ArrayConstructor] = arrayConstructor;
537
538     m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::DefinePropertyFunction)] = m_definePropertyFunction.get();
539
540     ConsolePrototype* consolePrototype = ConsolePrototype::create(vm, this, ConsolePrototype::createStructure(vm, this, m_objectPrototype.get()));
541     m_consoleStructure.set(vm, this, JSConsole::createStructure(vm, this, consolePrototype));
542     JSConsole* consoleObject = JSConsole::create(vm, m_consoleStructure.get());
543     putDirectWithoutTransition(vm, Identifier::fromString(exec, "console"), consoleObject, DontEnum);
544
545     if (UNLIKELY(Options::enableDollarVM())) {
546         JSDollarVMPrototype* dollarVMPrototype = JSDollarVMPrototype::create(vm, this, JSDollarVMPrototype::createStructure(vm, this, m_objectPrototype.get()));
547         m_dollarVMStructure.set(vm, this, JSDollarVM::createStructure(vm, this, dollarVMPrototype));
548         JSDollarVM* dollarVM = JSDollarVM::create(vm, m_dollarVMStructure.get());
549         putDirectWithoutTransition(vm, Identifier::fromString(exec, "$vm"), dollarVM, DontEnum);
550     }
551
552     resetPrototype(vm, prototype());
553 }
554
555 void JSGlobalObject::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
556 {
557     JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(cell);
558     ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject));
559
560     bool shouldThrowReadOnlyError = slot.isStrictMode();
561     bool ignoreReadOnlyErrors = false;
562     if (symbolTablePutTouchWatchpointSet(thisObject, exec, propertyName, value, shouldThrowReadOnlyError, ignoreReadOnlyErrors))
563         return;
564     Base::put(thisObject, exec, propertyName, value, slot);
565 }
566
567 bool JSGlobalObject::defineOwnProperty(JSObject* object, ExecState* exec, PropertyName propertyName, const PropertyDescriptor& descriptor, bool shouldThrow)
568 {
569     JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(object);
570     PropertySlot slot(thisObject);
571     // silently ignore attempts to add accessors aliasing vars.
572     if (descriptor.isAccessorDescriptor() && symbolTableGet(thisObject, propertyName, slot))
573         return false;
574     return Base::defineOwnProperty(thisObject, exec, propertyName, descriptor, shouldThrow);
575 }
576
577 void JSGlobalObject::addGlobalVar(const Identifier& ident)
578 {
579     ConcurrentJITLocker locker(symbolTable()->m_lock);
580     SymbolTableEntry entry = symbolTable()->get(locker, ident.impl());
581     if (!entry.isNull())
582         return;
583     
584     ScopeOffset offset = symbolTable()->takeNextScopeOffset(locker);
585     SymbolTableEntry newEntry(VarOffset(offset), 0);
586     newEntry.prepareToWatch();
587     symbolTable()->add(locker, ident.impl(), newEntry);
588     
589     ScopeOffset offsetForAssert = addVariables(1, jsUndefined());
590     RELEASE_ASSERT(offsetForAssert == offset);
591 }
592
593 void JSGlobalObject::addFunction(ExecState* exec, const Identifier& propertyName)
594 {
595     VM& vm = exec->vm();
596     removeDirect(vm, propertyName); // Newly declared functions overwrite existing properties.
597     addGlobalVar(propertyName);
598 }
599
600 static inline JSObject* lastInPrototypeChain(JSObject* object)
601 {
602     JSObject* o = object;
603     while (o->prototype().isObject())
604         o = asObject(o->prototype());
605     return o;
606 }
607
608 // Private namespace for helpers for JSGlobalObject::haveABadTime()
609 namespace {
610
611 class ObjectsWithBrokenIndexingFinder : public MarkedBlock::VoidFunctor {
612 public:
613     ObjectsWithBrokenIndexingFinder(MarkedArgumentBuffer&, JSGlobalObject*);
614     IterationStatus operator()(JSCell*);
615
616 private:
617     void visit(JSCell*);
618
619     MarkedArgumentBuffer& m_foundObjects;
620     JSGlobalObject* m_globalObject;
621 };
622
623 ObjectsWithBrokenIndexingFinder::ObjectsWithBrokenIndexingFinder(
624     MarkedArgumentBuffer& foundObjects, JSGlobalObject* globalObject)
625     : m_foundObjects(foundObjects)
626     , m_globalObject(globalObject)
627 {
628 }
629
630 inline bool hasBrokenIndexing(JSObject* object)
631 {
632     // This will change if we have more indexing types.
633     IndexingType type = object->indexingType();
634     // This could be made obviously more efficient, but isn't made so right now, because
635     // we expect this to be an unlikely slow path anyway.
636     return hasUndecided(type) || hasInt32(type) || hasDouble(type) || hasContiguous(type) || hasArrayStorage(type);
637 }
638
639 inline void ObjectsWithBrokenIndexingFinder::visit(JSCell* cell)
640 {
641     if (!cell->isObject())
642         return;
643     
644     JSObject* object = asObject(cell);
645
646     // Run this filter first, since it's cheap, and ought to filter out a lot of objects.
647     if (!hasBrokenIndexing(object))
648         return;
649     
650     // We only want to have a bad time in the affected global object, not in the entire
651     // VM. But we have to be careful, since there may be objects that claim to belong to
652     // a different global object that have prototypes from our global object.
653     bool foundGlobalObject = false;
654     for (JSObject* current = object; ;) {
655         if (current->globalObject() == m_globalObject) {
656             foundGlobalObject = true;
657             break;
658         }
659         
660         JSValue prototypeValue = current->prototype();
661         if (prototypeValue.isNull())
662             break;
663         current = asObject(prototypeValue);
664     }
665     if (!foundGlobalObject)
666         return;
667     
668     m_foundObjects.append(object);
669 }
670
671 IterationStatus ObjectsWithBrokenIndexingFinder::operator()(JSCell* cell)
672 {
673     visit(cell);
674     return IterationStatus::Continue;
675 }
676
677 } // end private namespace for helpers for JSGlobalObject::haveABadTime()
678
679 void JSGlobalObject::haveABadTime(VM& vm)
680 {
681     ASSERT(&vm == &this->vm());
682     
683     if (isHavingABadTime())
684         return;
685     
686     // Make sure that all allocations or indexed storage transitions that are inlining
687     // the assumption that it's safe to transition to a non-SlowPut array storage don't
688     // do so anymore.
689     m_havingABadTimeWatchpoint->fireAll("Having a bad time");
690     ASSERT(isHavingABadTime()); // The watchpoint is what tells us that we're having a bad time.
691     
692     // Make sure that all JSArray allocations that load the appropriate structure from
693     // this object now load a structure that uses SlowPut.
694     for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
695         m_arrayStructureForIndexingShapeDuringAllocation[i].set(vm, this, originalArrayStructureForIndexingType(ArrayWithSlowPutArrayStorage));
696     
697     // Make sure that all objects that have indexed storage switch to the slow kind of
698     // indexed storage.
699     MarkedArgumentBuffer foundObjects; // Use MarkedArgumentBuffer because switchToSlowPutArrayStorage() may GC.
700     ObjectsWithBrokenIndexingFinder finder(foundObjects, this);
701     {
702         HeapIterationScope iterationScope(vm.heap);
703         vm.heap.objectSpace().forEachLiveCell(iterationScope, finder);
704     }
705     while (!foundObjects.isEmpty()) {
706         JSObject* object = asObject(foundObjects.last());
707         foundObjects.removeLast();
708         ASSERT(hasBrokenIndexing(object));
709         object->switchToSlowPutArrayStorage(vm);
710     }
711 }
712
713 bool JSGlobalObject::objectPrototypeIsSane()
714 {
715     return !hasIndexedProperties(m_objectPrototype->indexingType())
716         && m_objectPrototype->prototype().isNull();
717 }
718
719 bool JSGlobalObject::arrayPrototypeChainIsSane()
720 {
721     return !hasIndexedProperties(m_arrayPrototype->indexingType())
722         && m_arrayPrototype->prototype() == m_objectPrototype.get()
723         && objectPrototypeIsSane();
724 }
725
726 bool JSGlobalObject::stringPrototypeChainIsSane()
727 {
728     return !hasIndexedProperties(m_stringPrototype->indexingType())
729         && m_stringPrototype->prototype() == m_objectPrototype.get()
730         && objectPrototypeIsSane();
731 }
732
733 void JSGlobalObject::createThrowTypeError(VM& vm)
734 {
735     JSFunction* thrower = JSFunction::create(vm, this, 0, String(), globalFuncThrowTypeError);
736     GetterSetter* getterSetter = GetterSetter::create(vm, this);
737     getterSetter->setGetter(vm, this, thrower);
738     getterSetter->setSetter(vm, this, thrower);
739     m_throwTypeErrorGetterSetter.set(vm, this, getterSetter);
740 }
741
742 // Set prototype, and also insert the object prototype at the end of the chain.
743 void JSGlobalObject::resetPrototype(VM& vm, JSValue prototype)
744 {
745     setPrototype(vm, prototype);
746
747     JSObject* oldLastInPrototypeChain = lastInPrototypeChain(this);
748     JSObject* objectPrototype = m_objectPrototype.get();
749     if (oldLastInPrototypeChain != objectPrototype)
750         oldLastInPrototypeChain->setPrototype(vm, objectPrototype);
751
752     // Whenever we change the prototype of the global object, we need to create a new JSProxy with the correct prototype.
753     setGlobalThis(vm, JSProxy::create(vm, JSProxy::createStructure(vm, this, prototype, PureForwardingProxyType), this));
754 }
755
756 void JSGlobalObject::visitChildren(JSCell* cell, SlotVisitor& visitor)
757
758     JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(cell);
759     ASSERT_GC_OBJECT_INHERITS(thisObject, info());
760     Base::visitChildren(thisObject, visitor);
761
762     visitor.append(&thisObject->m_globalThis);
763
764     visitor.append(&thisObject->m_globalLexicalEnvironment);
765     visitor.append(&thisObject->m_globalCallee);
766     visitor.append(&thisObject->m_regExpConstructor);
767     visitor.append(&thisObject->m_errorConstructor);
768     visitor.append(&thisObject->m_evalErrorConstructor);
769     visitor.append(&thisObject->m_rangeErrorConstructor);
770     visitor.append(&thisObject->m_referenceErrorConstructor);
771     visitor.append(&thisObject->m_syntaxErrorConstructor);
772     visitor.append(&thisObject->m_typeErrorConstructor);
773     visitor.append(&thisObject->m_URIErrorConstructor);
774     visitor.append(&thisObject->m_objectConstructor);
775     visitor.append(&thisObject->m_promiseConstructor);
776     visitor.append(&thisObject->m_internalPromiseConstructor);
777
778     visitor.append(&thisObject->m_nullGetterFunction);
779     visitor.append(&thisObject->m_nullSetterFunction);
780
781     visitor.append(&thisObject->m_parseIntFunction);
782     visitor.append(&thisObject->m_evalFunction);
783     visitor.append(&thisObject->m_callFunction);
784     visitor.append(&thisObject->m_applyFunction);
785     visitor.append(&thisObject->m_definePropertyFunction);
786     visitor.append(&thisObject->m_arrayProtoValuesFunction);
787     visitor.append(&thisObject->m_initializePromiseFunction);
788     visitor.append(&thisObject->m_newPromiseCapabilityFunction);
789     visitor.append(&thisObject->m_throwTypeErrorGetterSetter);
790     visitor.append(&thisObject->m_moduleLoader);
791
792     visitor.append(&thisObject->m_objectPrototype);
793     visitor.append(&thisObject->m_functionPrototype);
794     visitor.append(&thisObject->m_arrayPrototype);
795     visitor.append(&thisObject->m_errorPrototype);
796     visitor.append(&thisObject->m_iteratorPrototype);
797
798     visitor.append(&thisObject->m_debuggerScopeStructure);
799     visitor.append(&thisObject->m_withScopeStructure);
800     visitor.append(&thisObject->m_strictEvalActivationStructure);
801     visitor.append(&thisObject->m_lexicalEnvironmentStructure);
802     visitor.append(&thisObject->m_moduleEnvironmentStructure);
803     visitor.append(&thisObject->m_directArgumentsStructure);
804     visitor.append(&thisObject->m_scopedArgumentsStructure);
805     visitor.append(&thisObject->m_outOfBandArgumentsStructure);
806     for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
807         visitor.append(&thisObject->m_originalArrayStructureForIndexingShape[i]);
808     for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
809         visitor.append(&thisObject->m_arrayStructureForIndexingShapeDuringAllocation[i]);
810     visitor.append(&thisObject->m_booleanObjectStructure);
811     visitor.append(&thisObject->m_callbackConstructorStructure);
812     visitor.append(&thisObject->m_callbackFunctionStructure);
813     visitor.append(&thisObject->m_callbackObjectStructure);
814     visitor.append(&thisObject->m_propertyNameIteratorStructure);
815 #if JSC_OBJC_API_ENABLED
816     visitor.append(&thisObject->m_objcCallbackFunctionStructure);
817     visitor.append(&thisObject->m_objcWrapperObjectStructure);
818 #endif
819     visitor.append(&thisObject->m_nullPrototypeObjectStructure);
820     visitor.append(&thisObject->m_errorStructure);
821     visitor.append(&thisObject->m_calleeStructure);
822     visitor.append(&thisObject->m_functionStructure);
823     visitor.append(&thisObject->m_boundFunctionStructure);
824     visitor.append(&thisObject->m_arrowFunctionStructure);
825     visitor.append(&thisObject->m_nativeStdFunctionStructure);
826     visitor.append(&thisObject->m_namedFunctionStructure);
827     visitor.append(&thisObject->m_symbolObjectStructure);
828     visitor.append(&thisObject->m_regExpStructure);
829     visitor.append(&thisObject->m_regExpMatchesArrayStructure);
830     visitor.append(&thisObject->m_moduleRecordStructure);
831     visitor.append(&thisObject->m_moduleNamespaceObjectStructure);
832     visitor.append(&thisObject->m_consoleStructure);
833     visitor.append(&thisObject->m_dollarVMStructure);
834     visitor.append(&thisObject->m_internalFunctionStructure);
835 #if ENABLE(WEBASSEMBLY)
836     visitor.append(&thisObject->m_wasmModuleStructure);
837 #endif
838
839 #define VISIT_SIMPLE_TYPE(CapitalName, lowerName, properName, instanceType, jsName) \
840     visitor.append(&thisObject->m_ ## lowerName ## Prototype); \
841     visitor.append(&thisObject->m_ ## properName ## Structure); \
842
843     FOR_EACH_SIMPLE_BUILTIN_TYPE(VISIT_SIMPLE_TYPE)
844     FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(VISIT_SIMPLE_TYPE)
845
846 #undef VISIT_SIMPLE_TYPE
847
848     for (unsigned i = NUMBER_OF_TYPED_ARRAY_TYPES; i--;) {
849         visitor.append(&thisObject->m_typedArrays[i].prototype);
850         visitor.append(&thisObject->m_typedArrays[i].structure);
851     }
852 }
853
854 JSValue JSGlobalObject::toThis(JSCell*, ExecState* exec, ECMAMode ecmaMode)
855 {
856     if (ecmaMode == StrictMode)
857         return jsUndefined();
858     return exec->globalThisValue();
859 }
860
861 ExecState* JSGlobalObject::globalExec()
862 {
863     return CallFrame::create(m_globalCallFrame);
864 }
865
866 void JSGlobalObject::addStaticGlobals(GlobalPropertyInfo* globals, int count)
867 {
868     ScopeOffset startOffset = addVariables(count, jsUndefined());
869
870     for (int i = 0; i < count; ++i) {
871         GlobalPropertyInfo& global = globals[i];
872         ASSERT(global.attributes & DontDelete);
873         
874         ScopeOffset offset;
875         {
876             ConcurrentJITLocker locker(symbolTable()->m_lock);
877             offset = symbolTable()->takeNextScopeOffset(locker);
878             RELEASE_ASSERT(offset = startOffset + i);
879             SymbolTableEntry newEntry(VarOffset(offset), global.attributes);
880             symbolTable()->add(locker, global.identifier.impl(), newEntry);
881         }
882         variableAt(offset).set(vm(), this, global.value);
883     }
884 }
885
886 bool JSGlobalObject::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
887 {
888     JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(object);
889     if (getStaticFunctionSlot<Base>(exec, globalObjectTable, thisObject, propertyName, slot))
890         return true;
891     return symbolTableGet(thisObject, propertyName, slot);
892 }
893
894 void JSGlobalObject::clearRareData(JSCell* cell)
895 {
896     jsCast<JSGlobalObject*>(cell)->m_rareData = nullptr;
897 }
898
899 void slowValidateCell(JSGlobalObject* globalObject)
900 {
901     RELEASE_ASSERT(globalObject->isGlobalObject());
902     ASSERT_GC_OBJECT_INHERITS(globalObject, JSGlobalObject::info());
903 }
904
905 UnlinkedProgramCodeBlock* JSGlobalObject::createProgramCodeBlock(CallFrame* callFrame, ProgramExecutable* executable, JSObject** exception)
906 {
907     ParserError error;
908     JSParserStrictMode strictMode = executable->isStrictMode() ? JSParserStrictMode::Strict : JSParserStrictMode::NotStrict;
909     DebuggerMode debuggerMode = hasDebugger() ? DebuggerOn : DebuggerOff;
910     ProfilerMode profilerMode = hasProfiler() ? ProfilerOn : ProfilerOff;
911     UnlinkedProgramCodeBlock* unlinkedCodeBlock = vm().codeCache()->getProgramCodeBlock(
912         vm(), executable, executable->source(), JSParserBuiltinMode::NotBuiltin, strictMode, 
913         debuggerMode, profilerMode, error);
914
915     if (hasDebugger())
916         debugger()->sourceParsed(callFrame, executable->source().provider(), error.line(), error.message());
917
918     if (error.isValid()) {
919         *exception = error.toErrorObject(this, executable->source());
920         return nullptr;
921     }
922     
923     return unlinkedCodeBlock;
924 }
925
926 UnlinkedEvalCodeBlock* JSGlobalObject::createEvalCodeBlock(CallFrame* callFrame, EvalExecutable* executable, ThisTDZMode thisTDZMode, const VariableEnvironment* variablesUnderTDZ)
927 {
928     ParserError error;
929     JSParserStrictMode strictMode = executable->isStrictMode() ? JSParserStrictMode::Strict : JSParserStrictMode::NotStrict;
930     DebuggerMode debuggerMode = hasDebugger() ? DebuggerOn : DebuggerOff;
931     ProfilerMode profilerMode = hasProfiler() ? ProfilerOn : ProfilerOff;
932     UnlinkedEvalCodeBlock* unlinkedCodeBlock = vm().codeCache()->getEvalCodeBlock(
933         vm(), executable, executable->source(), JSParserBuiltinMode::NotBuiltin, strictMode, thisTDZMode, debuggerMode, profilerMode, error, variablesUnderTDZ);
934
935     if (hasDebugger())
936         debugger()->sourceParsed(callFrame, executable->source().provider(), error.line(), error.message());
937
938     if (error.isValid()) {
939         throwVMError(callFrame, error.toErrorObject(this, executable->source()));
940         return nullptr;
941     }
942
943     return unlinkedCodeBlock;
944 }
945
946 UnlinkedModuleProgramCodeBlock* JSGlobalObject::createModuleProgramCodeBlock(CallFrame* callFrame, ModuleProgramExecutable* executable)
947 {
948     ParserError error;
949     DebuggerMode debuggerMode = hasDebugger() ? DebuggerOn : DebuggerOff;
950     ProfilerMode profilerMode = hasProfiler() ? ProfilerOn : ProfilerOff;
951     UnlinkedModuleProgramCodeBlock* unlinkedCodeBlock = vm().codeCache()->getModuleProgramCodeBlock(
952         vm(), executable, executable->source(), JSParserBuiltinMode::NotBuiltin, debuggerMode, profilerMode, error);
953
954     if (hasDebugger())
955         debugger()->sourceParsed(callFrame, executable->source().provider(), error.line(), error.message());
956
957     if (error.isValid()) {
958         throwVMError(callFrame, error.toErrorObject(this, executable->source()));
959         return nullptr;
960     }
961
962     return unlinkedCodeBlock;
963 }
964
965 void JSGlobalObject::setRemoteDebuggingEnabled(bool enabled)
966 {
967 #if ENABLE(REMOTE_INSPECTOR)
968     m_inspectorDebuggable->setRemoteDebuggingAllowed(enabled);
969 #else
970     UNUSED_PARAM(enabled);
971 #endif
972 }
973
974 bool JSGlobalObject::remoteDebuggingEnabled() const
975 {
976 #if ENABLE(REMOTE_INSPECTOR)
977     return m_inspectorDebuggable->remoteDebuggingAllowed();
978 #else
979     return false;
980 #endif
981 }
982
983 #if ENABLE(WEB_REPLAY)
984 void JSGlobalObject::setInputCursor(PassRefPtr<InputCursor> prpCursor)
985 {
986     m_inputCursor = prpCursor;
987     ASSERT(m_inputCursor);
988
989     InputCursor& cursor = inputCursor();
990     // Save or set the random seed. This performed here rather than the constructor
991     // to avoid threading the input cursor through all the abstraction layers.
992     if (cursor.isCapturing())
993         cursor.appendInput<SetRandomSeed>(m_weakRandom.seedUnsafe());
994     else if (cursor.isReplaying()) {
995         if (SetRandomSeed* input = cursor.fetchInput<SetRandomSeed>())
996             m_weakRandom.initializeSeed(static_cast<unsigned>(input->randomSeed()));
997     }
998 }
999 #endif
1000
1001 void JSGlobalObject::setName(const String& name)
1002 {
1003     m_name = name;
1004
1005 #if ENABLE(REMOTE_INSPECTOR)
1006     m_inspectorDebuggable->update();
1007 #endif
1008 }
1009
1010 void JSGlobalObject::queueMicrotask(PassRefPtr<Microtask> task)
1011 {
1012     if (globalObjectMethodTable()->queueTaskToEventLoop) {
1013         globalObjectMethodTable()->queueTaskToEventLoop(this, task);
1014         return;
1015     }
1016
1017     vm().queueMicrotask(this, task);
1018 }
1019
1020 } // namespace JSC