| /* |
| * Copyright (C) 2007-2021 Apple Inc. All rights reserved. |
| * Copyright (C) 2008 Cameron Zwarich (cwzwarich@uwaterloo.ca) |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "JSGlobalObject.h" |
| |
| #include "AggregateError.h" |
| #include "AggregateErrorConstructor.h" |
| #include "AggregateErrorPrototype.h" |
| #include "ArrayConstructor.h" |
| #include "ArrayIteratorPrototype.h" |
| #include "ArrayPrototype.h" |
| #include "AsyncFromSyncIteratorPrototype.h" |
| #include "AsyncFunctionConstructor.h" |
| #include "AsyncFunctionPrototype.h" |
| #include "AsyncGeneratorFunctionConstructor.h" |
| #include "AsyncGeneratorFunctionPrototype.h" |
| #include "AsyncGeneratorPrototype.h" |
| #include "AsyncIteratorPrototype.h" |
| #include "AtomicsObject.h" |
| #include "BigIntConstructor.h" |
| #include "BigIntObject.h" |
| #include "BigIntPrototype.h" |
| #include "BooleanConstructor.h" |
| #include "BooleanPrototype.h" |
| #include "BuiltinNames.h" |
| #include "CatchScope.h" |
| #include "ClonedArguments.h" |
| #include "CodeBlock.h" |
| #include "CodeBlockSetInlines.h" |
| #include "ConsoleClient.h" |
| #include "ConsoleObject.h" |
| #include "DateConstructor.h" |
| #include "DatePrototype.h" |
| #include "Debugger.h" |
| #include "DebuggerScope.h" |
| #include "DeferTermination.h" |
| #include "DirectArguments.h" |
| #include "ErrorConstructor.h" |
| #include "ErrorPrototype.h" |
| #include "FinalizationRegistryConstructor.h" |
| #include "FinalizationRegistryPrototype.h" |
| #include "FunctionConstructor.h" |
| #include "FunctionPrototype.h" |
| #include "GeneratorFunctionConstructor.h" |
| #include "GeneratorFunctionPrototype.h" |
| #include "GeneratorPrototype.h" |
| #include "GetterSetter.h" |
| #include "HeapIterationScope.h" |
| #include "IntlCollator.h" |
| #include "IntlCollatorPrototype.h" |
| #include "IntlDateTimeFormat.h" |
| #include "IntlDateTimeFormatConstructor.h" |
| #include "IntlDateTimeFormatPrototype.h" |
| #include "IntlDisplayNames.h" |
| #include "IntlDisplayNamesPrototype.h" |
| #include "IntlListFormat.h" |
| #include "IntlListFormatPrototype.h" |
| #include "IntlLocale.h" |
| #include "IntlLocalePrototype.h" |
| #include "IntlNumberFormat.h" |
| #include "IntlNumberFormatConstructor.h" |
| #include "IntlNumberFormatPrototype.h" |
| #include "IntlObject.h" |
| #include "IntlPluralRules.h" |
| #include "IntlPluralRulesPrototype.h" |
| #include "IntlRelativeTimeFormat.h" |
| #include "IntlRelativeTimeFormatPrototype.h" |
| #include "IntlSegmentIterator.h" |
| #include "IntlSegmentIteratorPrototype.h" |
| #include "IntlSegmenter.h" |
| #include "IntlSegmenterPrototype.h" |
| #include "IntlSegments.h" |
| #include "IntlSegmentsPrototype.h" |
| #include "IteratorPrototype.h" |
| #include "JSAPIWrapperObject.h" |
| #include "JSArrayBuffer.h" |
| #include "JSArrayBufferConstructor.h" |
| #include "JSArrayBufferPrototype.h" |
| #include "JSArrayIterator.h" |
| #include "JSAsyncFunction.h" |
| #include "JSAsyncGenerator.h" |
| #include "JSAsyncGeneratorFunction.h" |
| #include "JSBoundFunction.h" |
| #include "JSCallbackConstructor.h" |
| #include "JSCallbackFunction.h" |
| #include "JSCallbackObject.h" |
| #include "JSCustomGetterFunction.h" |
| #include "JSCustomSetterFunction.h" |
| #include "JSDataView.h" |
| #include "JSDataViewPrototype.h" |
| #include "JSDollarVM.h" |
| #include "JSFinalizationRegistry.h" |
| #include "JSFunction.h" |
| #include "JSGenerator.h" |
| #include "JSGeneratorFunction.h" |
| #include "JSGenericTypedArrayViewConstructorInlines.h" |
| #include "JSGenericTypedArrayViewInlines.h" |
| #include "JSGenericTypedArrayViewPrototypeInlines.h" |
| #include "JSGlobalObjectFunctions.h" |
| #include "JSInternalPromise.h" |
| #include "JSInternalPromiseConstructor.h" |
| #include "JSInternalPromisePrototype.h" |
| #include "JSLexicalEnvironment.h" |
| #include "JSMap.h" |
| #include "JSMapIterator.h" |
| #include "JSMicrotask.h" |
| #include "JSModuleEnvironment.h" |
| #include "JSModuleLoader.h" |
| #include "JSModuleNamespaceObject.h" |
| #include "JSModuleRecord.h" |
| #include "JSNativeStdFunction.h" |
| #include "JSONObject.h" |
| #include "JSPromise.h" |
| #include "JSPromiseConstructor.h" |
| #include "JSPromisePrototype.h" |
| #include "JSSet.h" |
| #include "JSSetIterator.h" |
| #include "JSStringIterator.h" |
| #include "JSTypedArrayConstructors.h" |
| #include "JSTypedArrayPrototypes.h" |
| #include "JSTypedArrayViewConstructor.h" |
| #include "JSTypedArrayViewPrototype.h" |
| #include "JSTypedArrays.h" |
| #include "JSWeakMap.h" |
| #include "JSWeakObjectRef.h" |
| #include "JSWeakSet.h" |
| #include "JSWebAssembly.h" |
| #include "JSWebAssemblyCompileError.h" |
| #include "JSWebAssemblyException.h" |
| #include "JSWebAssemblyGlobal.h" |
| #include "JSWebAssemblyInstance.h" |
| #include "JSWebAssemblyLinkError.h" |
| #include "JSWebAssemblyMemory.h" |
| #include "JSWebAssemblyModule.h" |
| #include "JSWebAssemblyRuntimeError.h" |
| #include "JSWebAssemblyTable.h" |
| #include "JSWebAssemblyTag.h" |
| #include "JSWithScope.h" |
| #include "LazyClassStructureInlines.h" |
| #include "LazyPropertyInlines.h" |
| #include "LinkTimeConstant.h" |
| #include "MapConstructor.h" |
| #include "MapIteratorPrototype.h" |
| #include "MapPrototype.h" |
| #include "MarkedSpaceInlines.h" |
| #include "MathObject.h" |
| #include "NativeErrorConstructor.h" |
| #include "NativeErrorPrototype.h" |
| #include "NullGetterFunction.h" |
| #include "NullSetterFunction.h" |
| #include "NumberConstructor.h" |
| #include "NumberPrototype.h" |
| #include "ObjCCallbackFunction.h" |
| #include "ObjectConstructor.h" |
| #include "ObjectPropertyChangeAdaptiveWatchpoint.h" |
| #include "ObjectPropertyConditionSet.h" |
| #include "ObjectPrototype.h" |
| #include "ProxyConstructor.h" |
| #include "ProxyObject.h" |
| #include "ProxyRevoke.h" |
| #include "ReflectObject.h" |
| #include "RegExpConstructor.h" |
| #include "RegExpMatchesArray.h" |
| #include "RegExpObject.h" |
| #include "RegExpPrototype.h" |
| #include "RegExpStringIteratorPrototype.h" |
| #include "SamplingProfiler.h" |
| #include "ScopedArguments.h" |
| #include "SetConstructor.h" |
| #include "SetIteratorPrototype.h" |
| #include "SetPrototype.h" |
| #include "StrictEvalActivation.h" |
| #include "StringConstructor.h" |
| #include "StringIteratorPrototype.h" |
| #include "StringPrototype.h" |
| #include "SymbolConstructor.h" |
| #include "SymbolObject.h" |
| #include "SymbolPrototype.h" |
| #include "TemporalCalendar.h" |
| #include "TemporalCalendarPrototype.h" |
| #include "TemporalDuration.h" |
| #include "TemporalDurationPrototype.h" |
| #include "TemporalObject.h" |
| #include "TemporalPlainTime.h" |
| #include "TemporalPlainTimePrototype.h" |
| #include "TemporalTimeZone.h" |
| #include "TemporalTimeZonePrototype.h" |
| #include "VMTrapsInlines.h" |
| #include "WasmCapabilities.h" |
| #include "WeakMapConstructor.h" |
| #include "WeakMapPrototype.h" |
| #include "WeakObjectRefConstructor.h" |
| #include "WeakObjectRefPrototype.h" |
| #include "WeakSetConstructor.h" |
| #include "WeakSetPrototype.h" |
| #include "WebAssemblyCompileErrorConstructor.h" |
| #include "WebAssemblyCompileErrorPrototype.h" |
| #include "WebAssemblyExceptionConstructor.h" |
| #include "WebAssemblyExceptionPrototype.h" |
| #include "WebAssemblyFunction.h" |
| #include "WebAssemblyGlobalConstructor.h" |
| #include "WebAssemblyGlobalPrototype.h" |
| #include "WebAssemblyInstanceConstructor.h" |
| #include "WebAssemblyInstancePrototype.h" |
| #include "WebAssemblyLinkErrorConstructor.h" |
| #include "WebAssemblyLinkErrorPrototype.h" |
| #include "WebAssemblyMemoryConstructor.h" |
| #include "WebAssemblyMemoryPrototype.h" |
| #include "WebAssemblyModuleConstructor.h" |
| #include "WebAssemblyModulePrototype.h" |
| #include "WebAssemblyModuleRecord.h" |
| #include "WebAssemblyRuntimeErrorConstructor.h" |
| #include "WebAssemblyRuntimeErrorPrototype.h" |
| #include "WebAssemblyTableConstructor.h" |
| #include "WebAssemblyTablePrototype.h" |
| #include "WebAssemblyTagConstructor.h" |
| #include "WebAssemblyTagPrototype.h" |
| #include <wtf/RandomNumber.h> |
| #include <wtf/SystemTracing.h> |
| |
| #if ENABLE(REMOTE_INSPECTOR) |
| #include "JSGlobalObjectDebuggable.h" |
| #include "JSGlobalObjectInspectorController.h" |
| #endif |
| |
| #ifdef JSC_GLIB_API_ENABLED |
| #include "JSCCallbackFunction.h" |
| #include "JSCWrapperMap.h" |
| #endif |
| |
| namespace JSC { |
| |
| #define CHECK_FEATURE_FLAG_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase, featureFlag) \ |
| static_assert(std::is_same_v<std::remove_cv_t<decltype(featureFlag)>, bool> || std::is_same_v<std::remove_cv_t<decltype(featureFlag)>, bool&>); |
| |
| FOR_EACH_SIMPLE_BUILTIN_TYPE(CHECK_FEATURE_FLAG_TYPE) |
| FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(CHECK_FEATURE_FLAG_TYPE) |
| FOR_EACH_LAZY_BUILTIN_TYPE(CHECK_FEATURE_FLAG_TYPE) |
| |
| static JSC_DECLARE_HOST_FUNCTION(makeBoundFunction); |
| static JSC_DECLARE_HOST_FUNCTION(hasOwnLengthProperty); |
| static JSC_DECLARE_HOST_FUNCTION(createPrivateSymbol); |
| static JSC_DECLARE_HOST_FUNCTION(enableSuperSampler); |
| static JSC_DECLARE_HOST_FUNCTION(disableSuperSampler); |
| static JSC_DECLARE_HOST_FUNCTION(enqueueJob); |
| #if ASSERT_ENABLED |
| static JSC_DECLARE_HOST_FUNCTION(assertCall); |
| #endif |
| #if ENABLE(SAMPLING_PROFILER) |
| static JSC_DECLARE_HOST_FUNCTION(enableSamplingProfiler); |
| static JSC_DECLARE_HOST_FUNCTION(disableSamplingProfiler); |
| #endif |
| |
| static JSC_DECLARE_HOST_FUNCTION(tracePointStart); |
| static JSC_DECLARE_HOST_FUNCTION(tracePointStop); |
| static JSC_DECLARE_HOST_FUNCTION(signpostStart); |
| static JSC_DECLARE_HOST_FUNCTION(signpostStop); |
| |
| static JSValue createProxyProperty(VM& vm, JSObject* object) |
| { |
| JSGlobalObject* global = jsCast<JSGlobalObject*>(object); |
| return ProxyConstructor::create(vm, ProxyConstructor::createStructure(vm, global, global->functionPrototype())); |
| } |
| |
| static JSValue createJSONProperty(VM& vm, JSObject* object) |
| { |
| JSGlobalObject* global = jsCast<JSGlobalObject*>(object); |
| return JSONObject::create(vm, JSONObject::createStructure(vm, global, global->objectPrototype())); |
| } |
| |
| static JSValue createMathProperty(VM& vm, JSObject* object) |
| { |
| JSGlobalObject* global = jsCast<JSGlobalObject*>(object); |
| return MathObject::create(vm, global, MathObject::createStructure(vm, global, global->objectPrototype())); |
| } |
| |
| static JSValue createReflectProperty(VM& vm, JSObject* object) |
| { |
| JSGlobalObject* global = jsCast<JSGlobalObject*>(object); |
| return ReflectObject::create(vm, global, ReflectObject::createStructure(vm, global, global->objectPrototype())); |
| } |
| |
| static JSValue createConsoleProperty(VM& vm, JSObject* object) |
| { |
| JSGlobalObject* global = jsCast<JSGlobalObject*>(object); |
| return ConsoleObject::create(vm, global, ConsoleObject::createStructure(vm, global, constructEmptyObject(global))); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(makeBoundFunction, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| JSObject* target = asObject(callFrame->uncheckedArgument(0)); |
| JSValue boundThis = callFrame->uncheckedArgument(1); |
| JSValue boundArgs = callFrame->uncheckedArgument(2); |
| double length = callFrame->uncheckedArgument(3).asNumber(); |
| JSString* nameString = asString(callFrame->uncheckedArgument(4)); |
| |
| RELEASE_AND_RETURN(scope, JSValue::encode(JSBoundFunction::create(vm, globalObject, target, boundThis, boundArgs.isCell() ? jsCast<JSImmutableButterfly*>(boundArgs) : nullptr, length, nameString))); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(hasOwnLengthProperty, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| JSObject* target = asObject(callFrame->uncheckedArgument(0)); |
| JSFunction* function = jsDynamicCast<JSFunction*>(vm, target); |
| if (function && function->canAssumeNameAndLengthAreOriginal(vm)) { |
| #if ASSERT_ENABLED |
| bool result = target->hasOwnProperty(globalObject, vm.propertyNames->length); |
| RETURN_IF_EXCEPTION(scope, { }); |
| ASSERT(result); |
| #endif |
| return JSValue::encode(jsBoolean(true)); |
| } |
| RELEASE_AND_RETURN(scope, JSValue::encode(jsBoolean(target->hasOwnProperty(globalObject, vm.propertyNames->length)))); |
| } |
| |
| // FIXME: use a bytecode or intrinsic for creating a private symbol. |
| // https://bugs.webkit.org/show_bug.cgi?id=212782 |
| JSC_DEFINE_HOST_FUNCTION(createPrivateSymbol, (JSGlobalObject* globalObject, CallFrame*)) |
| { |
| VM& vm = globalObject->vm(); |
| return JSValue::encode(Symbol::create(vm, PrivateSymbolImpl::createNullSymbol().get())); |
| } |
| |
| #if ASSERT_ENABLED |
| JSC_DEFINE_HOST_FUNCTION(assertCall, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| RELEASE_ASSERT(callFrame->argument(0).isBoolean()); |
| if (callFrame->argument(0).asBoolean()) |
| return JSValue::encode(jsUndefined()); |
| |
| bool iteratedOnce = false; |
| CodeBlock* codeBlock = nullptr; |
| unsigned line; |
| callFrame->iterate(globalObject->vm(), [&] (StackVisitor& visitor) { |
| if (!iteratedOnce) { |
| iteratedOnce = true; |
| return StackVisitor::Continue; |
| } |
| |
| RELEASE_ASSERT(visitor->hasLineAndColumnInfo()); |
| unsigned column; |
| visitor->computeLineAndColumn(line, column); |
| codeBlock = visitor->codeBlock(); |
| return StackVisitor::Done; |
| }); |
| RELEASE_ASSERT(!!codeBlock); |
| RELEASE_ASSERT_WITH_MESSAGE(false, "JS assertion failed at line %u in:\n%s\n", line, codeBlock->sourceCodeForTools().data()); |
| return JSValue::encode(jsUndefined()); |
| } |
| #endif // ASSERT_ENABLED |
| |
| #if ENABLE(SAMPLING_PROFILER) |
| JSC_DEFINE_HOST_FUNCTION(enableSamplingProfiler, (JSGlobalObject* globalObject, CallFrame*)) |
| { |
| SamplingProfiler* profiler = globalObject->vm().samplingProfiler(); |
| if (!profiler) |
| profiler = &globalObject->vm().ensureSamplingProfiler(Stopwatch::create()); |
| profiler->start(); |
| return JSValue::encode(jsUndefined()); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(disableSamplingProfiler, (JSGlobalObject* globalObject, CallFrame*)) |
| { |
| SamplingProfiler* profiler = globalObject->vm().samplingProfiler(); |
| if (!profiler) |
| profiler = &globalObject->vm().ensureSamplingProfiler(Stopwatch::create()); |
| |
| { |
| Locker locker { profiler->getLock() }; |
| profiler->pause(); |
| } |
| |
| return JSValue::encode(jsUndefined()); |
| } |
| #endif |
| |
| static uint64_t asTracePointInt(JSGlobalObject* globalObject, JSValue v) |
| { |
| if (v.isUndefined()) |
| return 0; |
| return v.toNumber(globalObject); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(tracePointStart, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| auto getValue = [&] (unsigned arg) { |
| JSValue v = callFrame->argument(arg); |
| return asTracePointInt(globalObject, v); |
| }; |
| |
| uint64_t one = getValue(0); |
| RETURN_IF_EXCEPTION(scope, EncodedJSValue()); |
| uint64_t two = getValue(1); |
| RETURN_IF_EXCEPTION(scope, EncodedJSValue()); |
| uint64_t three = getValue(2); |
| RETURN_IF_EXCEPTION(scope, EncodedJSValue()); |
| uint64_t four = getValue(3); |
| RETURN_IF_EXCEPTION(scope, EncodedJSValue()); |
| |
| tracePoint(TracePointCode::FromJSStart, one, two, three, four); |
| |
| return JSValue::encode(jsUndefined()); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(tracePointStop, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| auto getValue = [&] (unsigned arg) { |
| JSValue v = callFrame->argument(arg); |
| return asTracePointInt(globalObject, v); |
| }; |
| |
| uint64_t one = getValue(0); |
| RETURN_IF_EXCEPTION(scope, EncodedJSValue()); |
| uint64_t two = getValue(1); |
| RETURN_IF_EXCEPTION(scope, EncodedJSValue()); |
| uint64_t three = getValue(2); |
| RETURN_IF_EXCEPTION(scope, EncodedJSValue()); |
| uint64_t four = getValue(3); |
| RETURN_IF_EXCEPTION(scope, EncodedJSValue()); |
| |
| tracePoint(TracePointCode::FromJSStop, one, two, three, four); |
| return JSValue::encode(jsUndefined()); |
| } |
| |
| static String asSignpostString(JSGlobalObject* globalObject, JSValue v) |
| { |
| if (v.isUndefined()) |
| return emptyString(); |
| return v.toWTFString(globalObject); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(signpostStart, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| auto message = asSignpostString(globalObject, callFrame->argument(0)); |
| RETURN_IF_EXCEPTION(scope, EncodedJSValue()); |
| |
| WTFBeginSignpost(globalObject, "JSGlobalObject signpost", "%{public}s", message.ascii().data()); |
| |
| return JSValue::encode(jsUndefined()); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(signpostStop, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| auto message = asSignpostString(globalObject, callFrame->argument(0)); |
| RETURN_IF_EXCEPTION(scope, EncodedJSValue()); |
| |
| WTFEndSignpost(globalObject, "JSGlobalObject signpost", "%{public}s", message.ascii().data()); |
| |
| return JSValue::encode(jsUndefined()); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(enableSuperSampler, (JSGlobalObject*, CallFrame*)) |
| { |
| enableSuperSampler(); |
| return JSValue::encode(jsUndefined()); |
| } |
| |
| JSC_DEFINE_HOST_FUNCTION(disableSuperSampler, (JSGlobalObject*, CallFrame*)) |
| { |
| disableSuperSampler(); |
| return JSValue::encode(jsUndefined()); |
| } |
| |
| } // namespace JSC |
| |
| #include "JSGlobalObject.lut.h" |
| |
| namespace JSC { |
| |
| const ClassInfo JSGlobalObject::s_info = { "GlobalObject", &Base::s_info, &globalObjectTable, nullptr, CREATE_METHOD_TABLE(JSGlobalObject) }; |
| |
| const GlobalObjectMethodTable JSGlobalObject::s_globalObjectMethodTable = { |
| &supportsRichSourceInfo, |
| &shouldInterruptScript, |
| &javaScriptRuntimeFlags, |
| nullptr, // queueTaskToEventLoop |
| &shouldInterruptScriptBeforeTimeout, |
| nullptr, // moduleLoaderImportModule |
| nullptr, // moduleLoaderResolve |
| nullptr, // moduleLoaderFetch |
| nullptr, // moduleLoaderCreateImportMetaProperties |
| nullptr, // moduleLoaderEvaluate |
| nullptr, // promiseRejectionTracker |
| &reportUncaughtExceptionAtEventLoop, |
| ¤tScriptExecutionOwner, |
| &scriptExecutionStatus, |
| &reportViolationForUnsafeEval, |
| nullptr, // defaultLanguage |
| nullptr, // compileStreaming |
| nullptr, // instantiateStreaming |
| }; |
| |
| /* Source for JSGlobalObject.lut.h |
| @begin globalObjectTable |
| isNaN JSBuiltin DontEnum|Function 1 |
| isFinite JSBuiltin DontEnum|Function 1 |
| escape globalFuncEscape DontEnum|Function 1 |
| unescape globalFuncUnescape DontEnum|Function 1 |
| decodeURI globalFuncDecodeURI DontEnum|Function 1 |
| decodeURIComponent globalFuncDecodeURIComponent DontEnum|Function 1 |
| encodeURI globalFuncEncodeURI DontEnum|Function 1 |
| encodeURIComponent globalFuncEncodeURIComponent DontEnum|Function 1 |
| eval JSGlobalObject::m_evalFunction DontEnum|CellProperty |
| globalThis JSGlobalObject::m_globalThis DontEnum|CellProperty |
| parseInt JSGlobalObject::m_parseIntFunction DontEnum|CellProperty |
| parseFloat JSGlobalObject::m_parseFloatFunction DontEnum|CellProperty |
| ArrayBuffer JSGlobalObject::m_arrayBufferStructure DontEnum|ClassStructure |
| EvalError JSGlobalObject::m_evalErrorStructure DontEnum|ClassStructure |
| RangeError JSGlobalObject::m_rangeErrorStructure DontEnum|ClassStructure |
| ReferenceError JSGlobalObject::m_referenceErrorStructure DontEnum|ClassStructure |
| SyntaxError JSGlobalObject::m_syntaxErrorStructure DontEnum|ClassStructure |
| TypeError JSGlobalObject::m_typeErrorStructure DontEnum|ClassStructure |
| URIError JSGlobalObject::m_URIErrorStructure DontEnum|ClassStructure |
| AggregateError JSGlobalObject::m_aggregateErrorStructure DontEnum|ClassStructure |
| Proxy createProxyProperty DontEnum|PropertyCallback |
| Reflect createReflectProperty DontEnum|PropertyCallback |
| JSON createJSONProperty DontEnum|PropertyCallback |
| Math createMathProperty DontEnum|PropertyCallback |
| console createConsoleProperty DontEnum|PropertyCallback |
| Int8Array JSGlobalObject::m_typedArrayInt8 DontEnum|ClassStructure |
| Int16Array JSGlobalObject::m_typedArrayInt16 DontEnum|ClassStructure |
| Int32Array JSGlobalObject::m_typedArrayInt32 DontEnum|ClassStructure |
| Uint8Array JSGlobalObject::m_typedArrayUint8 DontEnum|ClassStructure |
| Uint8ClampedArray JSGlobalObject::m_typedArrayUint8Clamped DontEnum|ClassStructure |
| Uint16Array JSGlobalObject::m_typedArrayUint16 DontEnum|ClassStructure |
| Uint32Array JSGlobalObject::m_typedArrayUint32 DontEnum|ClassStructure |
| Float32Array JSGlobalObject::m_typedArrayFloat32 DontEnum|ClassStructure |
| Float64Array JSGlobalObject::m_typedArrayFloat64 DontEnum|ClassStructure |
| BigInt64Array JSGlobalObject::m_typedArrayBigInt64 DontEnum|ClassStructure |
| BigUint64Array JSGlobalObject::m_typedArrayBigUint64 DontEnum|ClassStructure |
| DataView JSGlobalObject::m_typedArrayDataView DontEnum|ClassStructure |
| Date JSGlobalObject::m_dateStructure DontEnum|ClassStructure |
| Error JSGlobalObject::m_errorStructure DontEnum|ClassStructure |
| Boolean JSGlobalObject::m_booleanObjectStructure DontEnum|ClassStructure |
| Map JSGlobalObject::m_mapStructure DontEnum|ClassStructure |
| Number JSGlobalObject::m_numberObjectStructure DontEnum|ClassStructure |
| Set JSGlobalObject::m_setStructure DontEnum|ClassStructure |
| Symbol JSGlobalObject::m_symbolObjectStructure DontEnum|ClassStructure |
| WeakMap JSGlobalObject::m_weakMapStructure DontEnum|ClassStructure |
| WeakSet JSGlobalObject::m_weakSetStructure DontEnum|ClassStructure |
| @end |
| */ |
| |
| JSC_DEFINE_HOST_FUNCTION(enqueueJob, (JSGlobalObject* globalObject, CallFrame* callFrame)) |
| { |
| VM& vm = globalObject->vm(); |
| |
| JSValue job = callFrame->argument(0); |
| JSValue argument0 = callFrame->argument(1); |
| JSValue argument1 = callFrame->argument(2); |
| JSValue argument2 = callFrame->argument(3); |
| JSValue argument3 = callFrame->argument(4); |
| |
| globalObject->queueMicrotask(createJSMicrotask(vm, job, argument0, argument1, argument2, argument3)); |
| |
| return encodedJSUndefined(); |
| } |
| |
| JSGlobalObject::JSGlobalObject(VM& vm, Structure* structure, const GlobalObjectMethodTable* globalObjectMethodTable) |
| : Base(vm, structure, nullptr) |
| , m_vm(&vm) |
| , m_linkTimeConstants(numberOfLinkTimeConstants) |
| , m_masqueradesAsUndefinedWatchpoint(WatchpointSet::create(IsWatched)) |
| , m_havingABadTimeWatchpoint(WatchpointSet::create(IsWatched)) |
| , m_varInjectionWatchpoint(WatchpointSet::create(IsWatched)) |
| , m_varReadOnlyWatchpoint(WatchpointSet::create(IsWatched)) |
| , m_regExpRecompiledWatchpoint(WatchpointSet::create(IsWatched)) |
| , m_weakRandom(Options::forceWeakRandomSeed() ? Options::forcedWeakRandomSeed() : static_cast<unsigned>(randomNumber() * (std::numeric_limits<unsigned>::max() + 1.0))) |
| , m_arrayIteratorProtocolWatchpointSet(IsWatched) |
| , m_mapIteratorProtocolWatchpointSet(IsWatched) |
| , m_setIteratorProtocolWatchpointSet(IsWatched) |
| , m_stringIteratorProtocolWatchpointSet(IsWatched) |
| , m_mapSetWatchpointSet(IsWatched) |
| , m_setAddWatchpointSet(IsWatched) |
| , m_arrayJoinWatchpointSet(IsWatched) |
| , m_numberToStringWatchpointSet(IsWatched) |
| , m_runtimeFlags() |
| , m_stackTraceLimit(Options::defaultErrorStackTraceLimit()) |
| , m_customGetterFunctionSet(vm) |
| , m_customSetterFunctionSet(vm) |
| , m_globalObjectMethodTable(globalObjectMethodTable ? globalObjectMethodTable : &s_globalObjectMethodTable) |
| { |
| } |
| |
| JSGlobalObject::~JSGlobalObject() |
| { |
| #if ENABLE(REMOTE_INSPECTOR) |
| m_inspectorController->globalObjectDestroyed(); |
| #endif |
| |
| if (m_debugger) |
| m_debugger->detach(this, Debugger::GlobalObjectIsDestructing); |
| } |
| |
| void JSGlobalObject::destroy(JSCell* cell) |
| { |
| static_cast<JSGlobalObject*>(cell)->JSGlobalObject::~JSGlobalObject(); |
| } |
| |
| void JSGlobalObject::setGlobalThis(VM& vm, JSObject* globalThis) |
| { |
| m_globalThis.set(vm, this, globalThis); |
| } |
| |
| static GetterSetter* getGetterById(JSGlobalObject* globalObject, JSObject* base, const Identifier& ident) |
| { |
| VM& vm = globalObject->vm(); |
| JSValue baseValue = JSValue(base); |
| PropertySlot slot(baseValue, PropertySlot::InternalMethodType::VMInquiry, &vm); |
| baseValue.getPropertySlot(globalObject, ident, slot); |
| return jsCast<GetterSetter*>(slot.getPureResult()); |
| } |
| |
| static ObjectPropertyCondition setupAdaptiveWatchpoint(JSGlobalObject* globalObject, JSObject* base, const Identifier& ident) |
| { |
| // Performing these gets should not throw. |
| VM& vm = globalObject->vm(); |
| DeferTermination deferScope(vm); |
| auto catchScope = DECLARE_CATCH_SCOPE(vm); |
| PropertySlot slot(base, PropertySlot::InternalMethodType::Get); |
| bool result = base->getOwnPropertySlot(base, globalObject, ident, slot); |
| ASSERT_UNUSED(result, result); |
| catchScope.assertNoException(); |
| RELEASE_ASSERT(slot.isCacheableValue()); |
| JSValue functionValue = slot.getValue(globalObject, ident); |
| catchScope.assertNoException(); |
| ASSERT(jsDynamicCast<JSFunction*>(vm, functionValue)); |
| |
| ObjectPropertyCondition condition = generateConditionForSelfEquivalence(vm, nullptr, base, ident.impl()); |
| RELEASE_ASSERT(condition.requiredValue() == functionValue); |
| |
| bool isWatchable = condition.isWatchable(PropertyCondition::EnsureWatchability); |
| RELEASE_ASSERT(isWatchable); // We allow this to install the necessary watchpoints. |
| |
| return condition; |
| } |
| |
| template<ErrorType errorType> |
| void JSGlobalObject::initializeErrorConstructor(LazyClassStructure::Initializer& init) |
| { |
| init.setPrototype(NativeErrorPrototype::create(init.vm, NativeErrorPrototype::createStructure(init.vm, this, m_errorStructure.prototype(this)), errorTypeName(errorType))); |
| init.setStructure(ErrorInstance::createStructure(init.vm, this, init.prototype)); |
| init.setConstructor(NativeErrorConstructor<errorType>::create(init.vm, NativeErrorConstructor<errorType>::createStructure(init.vm, this, m_errorStructure.constructor(this)), jsCast<NativeErrorPrototype*>(init.prototype))); |
| } |
| |
| void JSGlobalObject::initializeAggregateErrorConstructor(LazyClassStructure::Initializer& init) |
| { |
| init.setPrototype(AggregateErrorPrototype::create(init.vm, AggregateErrorPrototype::createStructure(init.vm, this, m_errorStructure.prototype(this)))); |
| init.setStructure(ErrorInstance::createStructure(init.vm, this, init.prototype)); |
| init.setConstructor(AggregateErrorConstructor::create(init.vm, AggregateErrorConstructor::createStructure(init.vm, this, m_errorStructure.constructor(this)), jsCast<AggregateErrorPrototype*>(init.prototype))); |
| } |
| |
| SUPPRESS_ASAN inline void JSGlobalObject::initStaticGlobals(VM& vm) |
| { |
| GlobalPropertyInfo staticGlobals[] = { |
| GlobalPropertyInfo(vm.propertyNames->NaN, jsNaN(), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly), |
| GlobalPropertyInfo(vm.propertyNames->Infinity, jsNumber(std::numeric_limits<double>::infinity()), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly), |
| GlobalPropertyInfo(vm.propertyNames->undefinedKeyword, jsUndefined(), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly), |
| #if ASSERT_ENABLED |
| GlobalPropertyInfo(vm.propertyNames->builtinNames().assertPrivateName(), JSFunction::create(vm, this, 1, String(), assertCall), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly), |
| #endif |
| }; |
| addStaticGlobals(staticGlobals, WTF_ARRAY_LENGTH(staticGlobals)); |
| } |
| |
| void JSGlobalObject::init(VM& vm) |
| { |
| ASSERT(vm.traps().isDeferringTermination()); |
| ASSERT(vm.currentThreadIsHoldingAPILock()); |
| auto catchScope = DECLARE_CATCH_SCOPE(vm); |
| |
| Base::setStructure(vm, Structure::toCacheableDictionaryTransition(vm, structure(vm))); |
| |
| m_debugger = nullptr; |
| |
| #if ENABLE(REMOTE_INSPECTOR) |
| m_inspectorController = makeUnique<Inspector::JSGlobalObjectInspectorController>(*this); |
| m_inspectorDebuggable = makeUnique<JSGlobalObjectDebuggable>(*this); |
| m_inspectorDebuggable->init(); |
| m_consoleClient = m_inspectorController->consoleClient(); |
| #endif |
| |
| m_functionPrototype.set(vm, this, FunctionPrototype::create(vm, FunctionPrototype::createStructure(vm, this, jsNull()))); // The real prototype will be set once ObjectPrototype is created. |
| m_calleeStructure.set(vm, this, JSCallee::createStructure(vm, this, jsNull())); |
| |
| m_globalLexicalEnvironment.set(vm, this, JSGlobalLexicalEnvironment::create(vm, JSGlobalLexicalEnvironment::createStructure(vm, this), this)); |
| |
| // Need to create the callee structure (above) before creating the callee. |
| JSCallee* globalCallee = JSCallee::create(vm, this, globalScope()); |
| m_globalCallee.set(vm, this, globalCallee); |
| |
| CallFrame::initDeprecatedCallFrameForDebugger(JSGlobalObject::deprecatedCallFrameForDebugger(), globalCallee); |
| |
| JSCallee* stackOverflowFrameCallee = JSCallee::create(vm, this, globalScope()); |
| m_stackOverflowFrameCallee.set(vm, this, stackOverflowFrameCallee); |
| |
| m_hostFunctionStructure.set(vm, this, JSFunction::createStructure(vm, this, m_functionPrototype.get())); |
| |
| auto initFunctionStructures = [&] (FunctionStructures& structures) { |
| structures.strictFunctionStructure.set(vm, this, JSStrictFunction::createStructure(vm, this, m_functionPrototype.get())); |
| structures.sloppyFunctionStructure.set(vm, this, JSSloppyFunction::createStructure(vm, this, m_functionPrototype.get())); |
| structures.arrowFunctionStructure.set(vm, this, JSArrowFunction::createStructure(vm, this, m_functionPrototype.get())); |
| }; |
| initFunctionStructures(m_builtinFunctions); |
| initFunctionStructures(m_ordinaryFunctions); |
| |
| m_customGetterFunctionStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSCustomGetterFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); |
| }); |
| m_customSetterFunctionStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSCustomSetterFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); |
| }); |
| m_boundFunctionStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSBoundFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); |
| }); |
| m_nativeStdFunctionStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSNativeStdFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); |
| }); |
| JSFunction* callFunction = nullptr; |
| JSFunction* applyFunction = nullptr; |
| JSFunction* hasInstanceSymbolFunction = nullptr; |
| m_functionPrototype->addFunctionProperties(vm, this, &callFunction, &applyFunction, &hasInstanceSymbolFunction); |
| m_objectProtoToStringFunction.initLater( |
| [] (const Initializer<JSFunction>& init) { |
| init.set(JSFunction::create(init.vm, init.owner, 0, init.vm.propertyNames->toString.string(), objectProtoFuncToString, NoIntrinsic)); |
| }); |
| m_arrayProtoToStringFunction.initLater( |
| [] (const Initializer<JSFunction>& init) { |
| init.set(JSFunction::create(init.vm, init.owner, 0, init.vm.propertyNames->toString.string(), arrayProtoFuncToString, NoIntrinsic)); |
| }); |
| m_arrayProtoValuesFunction.initLater( |
| [] (const Initializer<JSFunction>& init) { |
| init.set(JSFunction::create(init.vm, init.owner, 0, init.vm.propertyNames->builtinNames().valuesPublicName().string(), arrayProtoFuncValues, ArrayValuesIntrinsic)); |
| }); |
| |
| m_iteratorProtocolFunction.initLater( |
| [] (const Initializer<JSFunction>& init) { |
| init.set(JSFunction::create(init.vm, iteratorHelpersPerformIterationCodeGenerator(init.vm), init.owner)); |
| }); |
| |
| m_promiseResolveFunction.initLater( |
| [] (const Initializer<JSFunction>& init) { |
| init.set(JSFunction::create(init.vm, promiseConstructorResolveCodeGenerator(init.vm), init.owner)); |
| }); |
| |
| m_numberProtoToStringFunction.initLater( |
| [] (const Initializer<JSFunction>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, init.vm.propertyNames->toString.string(), numberProtoFuncToString, NumberPrototypeToStringIntrinsic)); |
| }); |
| |
| m_functionProtoHasInstanceSymbolFunction.set(vm, this, hasInstanceSymbolFunction); |
| |
| m_nullGetterFunction.set(vm, this, NullGetterFunction::create(vm, NullGetterFunction::createStructure(vm, this, m_functionPrototype.get()))); |
| Structure* nullSetterFunctionStructure = NullSetterFunction::createStructure(vm, this, m_functionPrototype.get()); |
| m_nullSetterFunction.set(vm, this, NullSetterFunction::create(vm, nullSetterFunctionStructure, ECMAMode::sloppy())); |
| m_nullSetterStrictFunction.set(vm, this, NullSetterFunction::create(vm, nullSetterFunctionStructure, ECMAMode::strict())); |
| m_objectPrototype.set(vm, this, ObjectPrototype::create(vm, this, ObjectPrototype::createStructure(vm, this, jsNull()))); |
| // We have to manually set this here because we make it a prototype without transition below. |
| m_objectPrototype.get()->didBecomePrototype(); |
| GetterSetter* protoAccessor = GetterSetter::create(vm, this, |
| JSFunction::create(vm, this, 0, makeString("get ", vm.propertyNames->underscoreProto.string()), globalFuncProtoGetter, UnderscoreProtoIntrinsic), |
| JSFunction::create(vm, this, 0, makeString("set ", vm.propertyNames->underscoreProto.string()), globalFuncProtoSetter)); |
| m_objectPrototype->putDirectNonIndexAccessorWithoutTransition(vm, vm.propertyNames->underscoreProto, protoAccessor, PropertyAttribute::Accessor | PropertyAttribute::DontEnum); |
| m_functionPrototype->structure(vm)->setPrototypeWithoutTransition(vm, m_objectPrototype.get()); |
| m_objectStructureForObjectConstructor.set(vm, this, vm.structureCache.emptyObjectStructureForPrototype(this, m_objectPrototype.get(), JSFinalObject::defaultInlineCapacity())); |
| m_objectProtoValueOfFunction.set(vm, this, jsCast<JSFunction*>(objectPrototype()->getDirect(vm, vm.propertyNames->valueOf))); |
| |
| m_speciesGetterSetter.set(vm, this, GetterSetter::create(vm, this, JSFunction::create(vm, globalOperationsSpeciesGetterCodeGenerator(vm), this), nullptr)); |
| |
| m_throwTypeErrorArgumentsCalleeGetterSetter.initLater( |
| [] (const Initializer<GetterSetter>& init) { |
| JSFunction* thrower = JSFunction::create(init.vm, init.owner, 0, emptyString(), globalFuncThrowTypeErrorArgumentsCalleeAndCaller); |
| thrower->freeze(init.vm); |
| init.set(GetterSetter::create(init.vm, init.owner, thrower, thrower)); |
| }); |
| m_typedArrayProto.initLater( |
| [] (const Initializer<JSTypedArrayViewPrototype>& init) { |
| init.set(JSTypedArrayViewPrototype::create(init.vm, init.owner, JSTypedArrayViewPrototype::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get()))); |
| |
| // Make sure that the constructor gets initialized, too. |
| init.owner->m_typedArraySuperConstructor.get(init.owner); |
| }); |
| m_typedArraySuperConstructor.initLater( |
| [] (const Initializer<JSTypedArrayViewConstructor>& init) { |
| JSTypedArrayViewPrototype* prototype = init.owner->m_typedArrayProto.get(init.owner); |
| JSTypedArrayViewConstructor* constructor = JSTypedArrayViewConstructor::create(init.vm, init.owner, JSTypedArrayViewConstructor::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get()), prototype, init.owner->m_speciesGetterSetter.get()); |
| prototype->putDirectWithoutTransition(init.vm, init.vm.propertyNames->constructor, constructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| init.set(constructor); |
| }); |
| |
| #define INIT_TYPED_ARRAY_LATER(type) \ |
| m_typedArray ## type.initLater( \ |
| [] (LazyClassStructure::Initializer& init) { \ |
| init.setPrototype(JS ## type ## ArrayPrototype::create(init.vm, init.global, JS ## type ## ArrayPrototype::createStructure(init.vm, init.global, init.global->m_typedArrayProto.get(init.global)))); \ |
| init.setStructure(JS ## type ## Array::createStructure(init.vm, init.global, init.prototype)); \ |
| init.setConstructor(JS ## type ## ArrayConstructor::create(init.vm, init.global, JS ## type ## ArrayConstructor::createStructure(init.vm, init.global, init.global->m_typedArraySuperConstructor.get(init.global)), init.prototype, #type "Array"_s)); \ |
| init.global->putDirect(init.vm, init.vm.propertyNames->builtinNames().type ## ArrayPrivateName(), init.constructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); \ |
| }); |
| FOR_EACH_TYPED_ARRAY_TYPE_EXCLUDING_DATA_VIEW(INIT_TYPED_ARRAY_LATER) |
| #undef INIT_TYPED_ARRAY_LATER |
| |
| m_typedArrayDataView.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.setPrototype(JSDataViewPrototype::create(init.vm, JSDataViewPrototype::createStructure(init.vm, init.global, init.global->m_objectPrototype.get()))); |
| init.setStructure(JSDataView::createStructure(init.vm, init.global, init.prototype)); |
| init.setConstructor(JSDataViewConstructor::create(init.vm, init.global, JSDataViewConstructor::createStructure(init.vm, init.global, init.global->m_functionPrototype.get()), init.prototype, "DataView"_s)); |
| }); |
| |
| m_lexicalEnvironmentStructure.set(vm, this, JSLexicalEnvironment::createStructure(vm, this)); |
| m_moduleEnvironmentStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSModuleEnvironment::createStructure(init.vm, init.owner)); |
| }); |
| m_strictEvalActivationStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(StrictEvalActivation::createStructure(init.vm, init.owner, jsNull())); |
| }); |
| m_debuggerScopeStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(DebuggerScope::createStructure(init.vm, init.owner)); |
| }); |
| m_withScopeStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSWithScope::createStructure(init.vm, init.owner, jsNull())); |
| }); |
| |
| m_nullPrototypeObjectStructure.set(vm, this, JSFinalObject::createStructure(vm, this, jsNull(), JSFinalObject::defaultInlineCapacity())); |
| |
| m_callbackFunctionStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSCallbackFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); |
| }); |
| m_directArgumentsStructure.set(vm, this, DirectArguments::createStructure(vm, this, m_objectPrototype.get())); |
| m_scopedArgumentsStructure.set(vm, this, ScopedArguments::createStructure(vm, this, m_objectPrototype.get())); |
| m_clonedArgumentsStructure.set(vm, this, ClonedArguments::createStructure(vm, this, m_objectPrototype.get())); |
| m_callbackConstructorStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSCallbackConstructor::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get())); |
| }); |
| m_callbackObjectStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSCallbackObject<JSNonFinalObject>::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get())); |
| }); |
| |
| #if JSC_OBJC_API_ENABLED |
| m_objcCallbackFunctionStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(ObjCCallbackFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); |
| }); |
| m_objcWrapperObjectStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSCallbackObject<JSAPIWrapperObject>::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get())); |
| }); |
| #endif |
| #ifdef JSC_GLIB_API_ENABLED |
| m_glibCallbackFunctionStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSCCallbackFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); |
| }); |
| m_glibWrapperObjectStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSCallbackObject<JSAPIWrapperObject>::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get())); |
| }); |
| #endif |
| m_arrayPrototype.set(vm, this, ArrayPrototype::create(vm, this, ArrayPrototype::createStructure(vm, this, m_objectPrototype.get()))); |
| |
| m_originalArrayStructureForIndexingShape[arrayIndexFromIndexingType(UndecidedShape)].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithUndecided)); |
| m_originalArrayStructureForIndexingShape[arrayIndexFromIndexingType(Int32Shape)].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithInt32)); |
| m_originalArrayStructureForIndexingShape[arrayIndexFromIndexingType(DoubleShape)].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithDouble)); |
| m_originalArrayStructureForIndexingShape[arrayIndexFromIndexingType(ContiguousShape)].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithContiguous)); |
| m_originalArrayStructureForIndexingShape[arrayIndexFromIndexingType(ArrayStorageShape)].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithArrayStorage)); |
| m_originalArrayStructureForIndexingShape[arrayIndexFromIndexingType(SlowPutArrayStorageShape)].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), ArrayWithSlowPutArrayStorage)); |
| m_originalArrayStructureForIndexingShape[arrayIndexFromIndexingType(CopyOnWriteArrayWithInt32)].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), CopyOnWriteArrayWithInt32)); |
| m_originalArrayStructureForIndexingShape[arrayIndexFromIndexingType(CopyOnWriteArrayWithDouble)].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), CopyOnWriteArrayWithDouble)); |
| m_originalArrayStructureForIndexingShape[arrayIndexFromIndexingType(CopyOnWriteArrayWithContiguous)].set(vm, this, JSArray::createStructure(vm, this, m_arrayPrototype.get(), CopyOnWriteArrayWithContiguous)); |
| for (unsigned i = 0; i < NumberOfArrayIndexingModes; ++i) |
| m_arrayStructureForIndexingShapeDuringAllocation[i] = m_originalArrayStructureForIndexingShape[i]; |
| |
| m_regExpPrototype.set(vm, this, RegExpPrototype::create(vm, this, RegExpPrototype::createStructure(vm, this, m_objectPrototype.get()))); |
| m_regExpStructure.set(vm, this, RegExpObject::createStructure(vm, this, m_regExpPrototype.get())); |
| m_regExpMatchesArrayStructure.set(vm, this, createRegExpMatchesArrayStructure(vm, this)); |
| m_regExpMatchesArrayWithIndicesStructure.set(vm, this, createRegExpMatchesArrayWithIndicesStructure(vm, this)); |
| m_regExpMatchesIndicesArrayStructure.set(vm, this, createRegExpMatchesIndicesArrayStructure(vm, this)); |
| |
| m_moduleRecordStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSModuleRecord::createStructure(init.vm, init.owner, jsNull())); |
| }); |
| m_moduleNamespaceObjectStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSModuleNamespaceObject::createStructure(init.vm, init.owner, jsNull())); |
| }); |
| m_proxyObjectStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| bool isCallable = false; |
| init.set(ProxyObject::createStructure(init.vm, init.owner, jsNull(), isCallable)); |
| }); |
| m_callableProxyObjectStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| bool isCallable = true; |
| init.set(ProxyObject::createStructure(init.vm, init.owner, jsNull(), isCallable)); |
| }); |
| m_proxyRevokeStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(ProxyRevoke::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); |
| }); |
| |
| m_parseIntFunction.initLater( |
| [] (const Initializer<JSFunction>& init) { |
| init.set(JSFunction::create(init.vm, init.owner, 2, init.vm.propertyNames->parseInt.string(), globalFuncParseInt, ParseIntIntrinsic)); |
| }); |
| m_parseFloatFunction.initLater( |
| [] (const Initializer<JSFunction>& init) { |
| init.set(JSFunction::create(init.vm, init.owner, 1, init.vm.propertyNames->parseFloat.string(), globalFuncParseFloat, NoIntrinsic)); |
| }); |
| |
| if (Options::useSharedArrayBuffer()) { |
| m_sharedArrayBufferStructure.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.setPrototype(JSArrayBufferPrototype::create(init.vm, init.global, JSArrayBufferPrototype::createStructure(init.vm, init.global, init.global->m_objectPrototype.get()), ArrayBufferSharingMode::Shared)); |
| init.setStructure(JSArrayBuffer::createStructure(init.vm, init.global, init.prototype)); |
| init.setConstructor(JSSharedArrayBufferConstructor::create(init.vm, JSSharedArrayBufferConstructor::createStructure(init.vm, init.global, init.global->m_functionPrototype.get()), jsCast<JSArrayBufferPrototype*>(init.prototype), init.global->m_speciesGetterSetter.get())); |
| }); |
| } |
| |
| m_iteratorPrototype.set(vm, this, IteratorPrototype::create(vm, this, IteratorPrototype::createStructure(vm, this, m_objectPrototype.get()))); |
| m_asyncIteratorPrototype.set(vm, this, AsyncIteratorPrototype::create(vm, this, AsyncIteratorPrototype::createStructure(vm, this, m_objectPrototype.get()))); |
| |
| m_generatorPrototype.set(vm, this, GeneratorPrototype::create(vm, this, GeneratorPrototype::createStructure(vm, this, m_iteratorPrototype.get()))); |
| m_asyncGeneratorPrototype.set(vm, this, AsyncGeneratorPrototype::create(vm, this, AsyncGeneratorPrototype::createStructure(vm, this, m_asyncIteratorPrototype.get()))); |
| |
| auto* arrayIteratorPrototype = ArrayIteratorPrototype::create(vm, this, ArrayIteratorPrototype::createStructure(vm, this, m_iteratorPrototype.get())); |
| m_arrayIteratorPrototype.set(vm, this, arrayIteratorPrototype); |
| m_arrayIteratorStructure.set(vm, this, JSArrayIterator::createStructure(vm, this, arrayIteratorPrototype)); |
| |
| auto* mapIteratorPrototype = MapIteratorPrototype::create(vm, this, MapIteratorPrototype::createStructure(vm, this, m_iteratorPrototype.get())); |
| m_mapIteratorPrototype.set(vm, this, mapIteratorPrototype); |
| m_mapIteratorStructure.set(vm, this, JSMapIterator::createStructure(vm, this, mapIteratorPrototype)); |
| |
| auto* setIteratorPrototype = SetIteratorPrototype::create(vm, this, SetIteratorPrototype::createStructure(vm, this, m_iteratorPrototype.get())); |
| m_setIteratorPrototype.set(vm, this, setIteratorPrototype); |
| m_setIteratorStructure.set(vm, this, JSSetIterator::createStructure(vm, this, setIteratorPrototype)); |
| |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::sentinelString)].set(vm, this, vm.smallStrings.sentinelString()); |
| |
| JSFunction* defaultPromiseThen = JSFunction::create(vm, promisePrototypeThenCodeGenerator(vm), this); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::defaultPromiseThen)].set(vm, this, defaultPromiseThen); |
| |
| #define CREATE_PROTOTYPE_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase, featureFlag) if (featureFlag) { \ |
| m_ ## lowerName ## Prototype.set(vm, this, capitalName##Prototype::create(vm, this, capitalName##Prototype::createStructure(vm, this, m_ ## prototypeBase ## Prototype.get()))); \ |
| m_ ## properName ## Structure.set(vm, this, instanceType::createStructure(vm, this, m_ ## lowerName ## Prototype.get())); \ |
| } |
| |
| FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_SIMPLE_TYPE) |
| FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(CREATE_PROTOTYPE_FOR_SIMPLE_TYPE) |
| |
| #undef CREATE_PROTOTYPE_FOR_SIMPLE_TYPE |
| |
| #define CREATE_PROTOTYPE_FOR_LAZY_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase, featureFlag) if (featureFlag) { \ |
| m_ ## properName ## Structure.initLater(\ |
| [] (LazyClassStructure::Initializer& init) { \ |
| init.setPrototype(capitalName##Prototype::create(init.vm, init.global, capitalName##Prototype::createStructure(init.vm, init.global, init.global->m_ ## prototypeBase ## Prototype.get()))); \ |
| init.setStructure(instanceType::createStructure(init.vm, init.global, init.prototype)); \ |
| init.setConstructor(capitalName ## Constructor::create(init.vm, capitalName ## Constructor::createStructure(init.vm, init.global, init.global->m_functionPrototype.get()), jsCast<capitalName ## Prototype*>(init.prototype), init.global->m_speciesGetterSetter.get())); \ |
| }); \ |
| } |
| |
| FOR_EACH_LAZY_BUILTIN_TYPE(CREATE_PROTOTYPE_FOR_LAZY_TYPE) |
| |
| // Constructors |
| |
| ObjectConstructor* objectConstructor = ObjectConstructor::create(vm, this, ObjectConstructor::createStructure(vm, this, m_functionPrototype.get()), m_objectPrototype.get()); |
| m_objectConstructor.set(vm, this, objectConstructor); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::Object)].set(vm, this, objectConstructor); |
| |
| JSFunction* throwTypeErrorFunction = JSFunction::create(vm, this, 0, String(), globalFuncThrowTypeError); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::throwTypeErrorFunction)].set(vm, this, throwTypeErrorFunction); |
| |
| FunctionConstructor* functionConstructor = FunctionConstructor::create(vm, FunctionConstructor::createStructure(vm, this, m_functionPrototype.get()), m_functionPrototype.get()); |
| m_functionConstructor.set(vm, this, functionConstructor); |
| |
| ArrayConstructor* arrayConstructor = ArrayConstructor::create(vm, this, ArrayConstructor::createStructure(vm, this, m_functionPrototype.get()), m_arrayPrototype.get(), m_speciesGetterSetter.get()); |
| m_arrayConstructor.set(vm, this, arrayConstructor); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::Array)].set(vm, this, arrayConstructor); |
| |
| RegExpConstructor* regExpConstructor = RegExpConstructor::create(vm, RegExpConstructor::createStructure(vm, this, m_functionPrototype.get()), m_regExpPrototype.get(), m_speciesGetterSetter.get()); |
| m_regExpConstructor.set(vm, this, regExpConstructor); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::RegExp)].set(vm, this, regExpConstructor); |
| m_regExpGlobalData.cachedResult().record(vm, this, nullptr, jsEmptyString(vm), MatchResult(0, 0)); |
| |
| AtomicsObject* atomicsObject = nullptr; |
| if (Options::useSharedArrayBuffer()) |
| atomicsObject = AtomicsObject::create(vm, this, AtomicsObject::createStructure(vm, this, m_objectPrototype.get())); |
| |
| #define CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase, featureFlag) \ |
| capitalName ## Constructor* lowerName ## Constructor = featureFlag ? capitalName ## Constructor::create(vm, capitalName ## Constructor::createStructure(vm, this, m_functionPrototype.get()), m_ ## lowerName ## Prototype.get(), m_speciesGetterSetter.get()) : nullptr; \ |
| if (featureFlag) \ |
| m_ ## lowerName ## Prototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, lowerName ## Constructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); \ |
| |
| FOR_EACH_SIMPLE_BUILTIN_TYPE(CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE) |
| |
| #undef CREATE_CONSTRUCTOR_FOR_SIMPLE_TYPE |
| |
| m_promiseConstructor.set(vm, this, promiseConstructor); |
| m_internalPromiseConstructor.set(vm, this, internalPromiseConstructor); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::Promise)].set(vm, this, promiseConstructor); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::InternalPromise)].set(vm, this, internalPromiseConstructor); |
| |
| m_evalErrorStructure.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.global->initializeErrorConstructor<ErrorType::EvalError>(init); |
| }); |
| m_rangeErrorStructure.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.global->initializeErrorConstructor<ErrorType::RangeError>(init); |
| }); |
| m_referenceErrorStructure.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.global->initializeErrorConstructor<ErrorType::ReferenceError>(init); |
| }); |
| m_syntaxErrorStructure.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.global->initializeErrorConstructor<ErrorType::SyntaxError>(init); |
| }); |
| m_typeErrorStructure.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.global->initializeErrorConstructor<ErrorType::TypeError>(init); |
| }); |
| m_URIErrorStructure.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.global->initializeErrorConstructor<ErrorType::URIError>(init); |
| }); |
| m_aggregateErrorStructure.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.global->initializeAggregateErrorConstructor(init); |
| }); |
| |
| m_generatorFunctionPrototype.set(vm, this, GeneratorFunctionPrototype::create(vm, GeneratorFunctionPrototype::createStructure(vm, this, m_functionPrototype.get()))); |
| GeneratorFunctionConstructor* generatorFunctionConstructor = GeneratorFunctionConstructor::create(vm, GeneratorFunctionConstructor::createStructure(vm, this, functionConstructor), m_generatorFunctionPrototype.get()); |
| m_generatorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, generatorFunctionConstructor, PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly); |
| m_generatorFunctionStructure.set(vm, this, JSGeneratorFunction::createStructure(vm, this, m_generatorFunctionPrototype.get())); |
| |
| m_generatorPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_generatorFunctionPrototype.get(), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly); |
| m_generatorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->prototype, m_generatorPrototype.get(), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly); |
| m_generatorStructure.set(vm, this, JSGenerator::createStructure(vm, this, m_generatorPrototype.get())); |
| |
| m_asyncFunctionPrototype.set(vm, this, AsyncFunctionPrototype::create(vm, AsyncFunctionPrototype::createStructure(vm, this, m_functionPrototype.get()))); |
| AsyncFunctionConstructor* asyncFunctionConstructor = AsyncFunctionConstructor::create(vm, AsyncFunctionConstructor::createStructure(vm, this, functionConstructor), m_asyncFunctionPrototype.get()); |
| m_asyncFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, asyncFunctionConstructor, PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly); |
| m_asyncFunctionStructure.set(vm, this, JSAsyncFunction::createStructure(vm, this, m_asyncFunctionPrototype.get())); |
| |
| m_asyncGeneratorFunctionPrototype.set(vm, this, AsyncGeneratorFunctionPrototype::create(vm, AsyncGeneratorFunctionPrototype::createStructure(vm, this, m_functionPrototype.get()))); |
| AsyncGeneratorFunctionConstructor* asyncGeneratorFunctionConstructor = AsyncGeneratorFunctionConstructor::create(vm, AsyncGeneratorFunctionConstructor::createStructure(vm, this, functionConstructor), m_asyncGeneratorFunctionPrototype.get()); |
| m_asyncGeneratorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, asyncGeneratorFunctionConstructor, PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly); |
| m_asyncGeneratorFunctionStructure.set(vm, this, JSAsyncGeneratorFunction::createStructure(vm, this, m_asyncGeneratorFunctionPrototype.get())); |
| |
| m_asyncGeneratorPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, m_asyncGeneratorFunctionPrototype.get(), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly); |
| m_asyncGeneratorFunctionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->prototype, m_asyncGeneratorPrototype.get(), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly); |
| m_asyncGeneratorStructure.set(vm, this, JSAsyncGenerator::createStructure(vm, this, m_asyncGeneratorPrototype.get())); |
| |
| m_objectPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, objectConstructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| m_functionPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, functionConstructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| m_arrayPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, arrayConstructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| m_regExpPrototype->putDirectWithoutTransition(vm, vm.propertyNames->constructor, regExpConstructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| |
| putDirectWithoutTransition(vm, vm.propertyNames->Object, objectConstructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| putDirectWithoutTransition(vm, vm.propertyNames->Function, functionConstructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| putDirectWithoutTransition(vm, vm.propertyNames->Array, arrayConstructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| putDirectWithoutTransition(vm, vm.propertyNames->RegExp, regExpConstructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| |
| if (Options::useSharedArrayBuffer()) { |
| putDirectWithoutTransition(vm, vm.propertyNames->SharedArrayBuffer, m_sharedArrayBufferStructure.constructor(this), static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| putDirectWithoutTransition(vm, vm.propertyNames->Atomics, atomicsObject, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| } |
| |
| #define PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase, featureFlag) \ |
| if (featureFlag) \ |
| putDirectWithoutTransition(vm, vm.propertyNames-> jsName, lowerName ## Constructor, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| |
| |
| FOR_EACH_SIMPLE_BUILTIN_TYPE_WITH_CONSTRUCTOR(PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE) |
| |
| #undef PUT_CONSTRUCTOR_FOR_SIMPLE_TYPE |
| m_iteratorResultObjectStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(createIteratorResultObjectStructure(init.vm, *init.owner)); |
| }); |
| m_dataPropertyDescriptorObjectStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(createDataPropertyDescriptorObjectStructure(init.vm, *init.owner)); |
| }); |
| m_accessorPropertyDescriptorObjectStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(createAccessorPropertyDescriptorObjectStructure(init.vm, *init.owner)); |
| }); |
| |
| m_evalFunction.initLater( |
| [] (const Initializer<JSFunction>& init) { |
| init.set(JSFunction::create(init.vm, init.owner, 1, init.vm.propertyNames->eval.string(), globalFuncEval, NoIntrinsic)); |
| }); |
| |
| m_collatorStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| IntlCollatorPrototype* collatorPrototype = IntlCollatorPrototype::create(init.vm, globalObject, IntlCollatorPrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(IntlCollator::createStructure(init.vm, globalObject, collatorPrototype)); |
| }); |
| m_displayNamesStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| IntlDisplayNamesPrototype* displayNamesPrototype = IntlDisplayNamesPrototype::create(init.vm, IntlDisplayNamesPrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(IntlDisplayNames::createStructure(init.vm, globalObject, displayNamesPrototype)); |
| }); |
| m_listFormatStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| IntlListFormatPrototype* listFormatPrototype = IntlListFormatPrototype::create(init.vm, IntlListFormatPrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(IntlListFormat::createStructure(init.vm, globalObject, listFormatPrototype)); |
| }); |
| m_localeStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| IntlLocalePrototype* localePrototype = IntlLocalePrototype::create(init.vm, IntlLocalePrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(IntlLocale::createStructure(init.vm, globalObject, localePrototype)); |
| }); |
| m_pluralRulesStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| IntlPluralRulesPrototype* pluralRulesPrototype = IntlPluralRulesPrototype::create(init.vm, globalObject, IntlPluralRulesPrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(IntlPluralRules::createStructure(init.vm, globalObject, pluralRulesPrototype)); |
| }); |
| m_relativeTimeFormatStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| IntlRelativeTimeFormatPrototype* relativeTimeFormatPrototype = IntlRelativeTimeFormatPrototype::create(init.vm, IntlRelativeTimeFormatPrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(IntlRelativeTimeFormat::createStructure(init.vm, globalObject, relativeTimeFormatPrototype)); |
| }); |
| m_segmentIteratorStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| IntlSegmentIteratorPrototype* segmentIteratorPrototype = IntlSegmentIteratorPrototype::create(init.vm, IntlSegmentIteratorPrototype::createStructure(init.vm, globalObject, globalObject->iteratorPrototype())); |
| init.set(IntlSegmentIterator::createStructure(init.vm, globalObject, segmentIteratorPrototype)); |
| }); |
| m_segmenterStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| IntlSegmenterPrototype* segmenterPrototype = IntlSegmenterPrototype::create(init.vm, IntlSegmenterPrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(IntlSegmenter::createStructure(init.vm, globalObject, segmenterPrototype)); |
| }); |
| m_segmentsStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| IntlSegmentsPrototype* segmentsPrototype = IntlSegmentsPrototype::create(init.vm, globalObject, IntlSegmentsPrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(IntlSegments::createStructure(init.vm, globalObject, segmentsPrototype)); |
| }); |
| |
| m_dateTimeFormatStructure.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.setPrototype(IntlDateTimeFormatPrototype::create(init.vm, init.global, IntlDateTimeFormatPrototype::createStructure(init.vm, init.global, init.global->objectPrototype()))); |
| init.setStructure(IntlDateTimeFormat::createStructure(init.vm, init.global, init.prototype)); |
| init.setConstructor(IntlDateTimeFormatConstructor::create(init.vm, IntlDateTimeFormatConstructor::createStructure(init.vm, init.global, init.global->functionPrototype()), jsCast<IntlDateTimeFormatPrototype*>(init.prototype))); |
| }); |
| m_numberFormatStructure.initLater( |
| [] (LazyClassStructure::Initializer& init) { |
| init.setPrototype(IntlNumberFormatPrototype::create(init.vm, init.global, IntlNumberFormatPrototype::createStructure(init.vm, init.global, init.global->objectPrototype()))); |
| init.setStructure(IntlNumberFormat::createStructure(init.vm, init.global, init.prototype)); |
| init.setConstructor(IntlNumberFormatConstructor::create(init.vm, IntlNumberFormatConstructor::createStructure(init.vm, init.global, init.global->functionPrototype()), jsCast<IntlNumberFormatPrototype*>(init.prototype))); |
| }); |
| |
| m_defaultCollator.initLater( |
| [] (const Initializer<IntlCollator>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| VM& vm = init.vm; |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| IntlCollator* collator = IntlCollator::create(vm, globalObject->collatorStructure()); |
| collator->initializeCollator(globalObject, jsUndefined(), jsUndefined()); |
| RETURN_IF_EXCEPTION(scope, void()); |
| init.set(collator); |
| }); |
| |
| IntlObject* intl = IntlObject::create(vm, this, IntlObject::createStructure(vm, this, m_objectPrototype.get())); |
| putDirectWithoutTransition(vm, vm.propertyNames->Intl, intl, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| |
| if (Options::useTemporal()) { |
| m_calendarStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| TemporalCalendarPrototype* calendarPrototype = TemporalCalendarPrototype::create(init.vm, globalObject, TemporalCalendarPrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(TemporalCalendar::createStructure(init.vm, globalObject, calendarPrototype)); |
| }); |
| |
| m_durationStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| TemporalDurationPrototype* durationPrototype = TemporalDurationPrototype::create(init.vm, TemporalDurationPrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(TemporalDuration::createStructure(init.vm, globalObject, durationPrototype)); |
| }); |
| |
| m_plainTimeStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| auto* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| auto* plainTimePrototype = TemporalPlainTimePrototype::create(init.vm, globalObject, TemporalPlainTimePrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(TemporalPlainTime::createStructure(init.vm, globalObject, plainTimePrototype)); |
| }); |
| |
| m_timeZoneStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| TemporalTimeZonePrototype* timeZonePrototype = TemporalTimeZonePrototype::create(init.vm, globalObject, TemporalTimeZonePrototype::createStructure(init.vm, globalObject, globalObject->objectPrototype())); |
| init.set(TemporalTimeZone::createStructure(init.vm, globalObject, timeZonePrototype)); |
| }); |
| |
| TemporalObject* temporal = TemporalObject::create(vm, TemporalObject::createStructure(vm, this)); |
| putDirectWithoutTransition(vm, vm.propertyNames->Temporal, temporal, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| } |
| |
| m_moduleLoader.initLater( |
| [] (const Initializer<JSModuleLoader>& init) { |
| auto catchScope = DECLARE_CATCH_SCOPE(init.vm); |
| init.set(JSModuleLoader::create(init.owner, init.vm, JSModuleLoader::createStructure(init.vm, init.owner, jsNull()))); |
| catchScope.releaseAssertNoException(); |
| }); |
| if (Options::exposeInternalModuleLoader()) |
| putDirectWithoutTransition(vm, vm.propertyNames->Loader, moduleLoader(), static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| |
| GetterSetter* regExpProtoFlagsGetter = getGetterById(this, m_regExpPrototype.get(), vm.propertyNames->flags); |
| catchScope.assertNoException(); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpProtoFlagsGetter)].set(vm, this, regExpProtoFlagsGetter); |
| GetterSetter* regExpProtoGlobalGetter = getGetterById(this, m_regExpPrototype.get(), vm.propertyNames->global); |
| catchScope.assertNoException(); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpProtoGlobalGetter)].set(vm, this, regExpProtoGlobalGetter); |
| GetterSetter* regExpProtoIgnoreCaseGetter = getGetterById(this, m_regExpPrototype.get(), vm.propertyNames->ignoreCase); |
| catchScope.assertNoException(); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpProtoIgnoreCaseGetter)].set(vm, this, regExpProtoIgnoreCaseGetter); |
| GetterSetter* regExpProtoMultilineGetter = getGetterById(this, m_regExpPrototype.get(), vm.propertyNames->multiline); |
| catchScope.assertNoException(); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpProtoMultilineGetter)].set(vm, this, regExpProtoMultilineGetter); |
| GetterSetter* regExpProtoSourceGetter = getGetterById(this, m_regExpPrototype.get(), vm.propertyNames->source); |
| catchScope.assertNoException(); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpProtoSourceGetter)].set(vm, this, regExpProtoSourceGetter); |
| GetterSetter* regExpProtoStickyGetter = getGetterById(this, m_regExpPrototype.get(), vm.propertyNames->sticky); |
| catchScope.assertNoException(); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpProtoStickyGetter)].set(vm, this, regExpProtoStickyGetter); |
| GetterSetter* regExpProtoUnicodeGetter = getGetterById(this, m_regExpPrototype.get(), vm.propertyNames->unicode); |
| catchScope.assertNoException(); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpProtoUnicodeGetter)].set(vm, this, regExpProtoUnicodeGetter); |
| JSFunction* regExpSymbolReplace = jsCast<JSFunction*>(m_regExpPrototype->getDirect(vm, vm.propertyNames->replaceSymbol)); |
| m_regExpProtoSymbolReplace.set(vm, this, regExpSymbolReplace); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpBuiltinExec)].set(vm, this, jsCast<JSFunction*>(m_regExpPrototype->getDirect(vm, vm.propertyNames->exec))); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpPrototypeSymbolMatch)].set(vm, this, m_regExpPrototype->getDirect(vm, vm.propertyNames->matchSymbol).asCell()); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpPrototypeSymbolReplace)].set(vm, this, m_regExpPrototype->getDirect(vm, vm.propertyNames->replaceSymbol).asCell()); |
| |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::isArray)].set(vm, this, arrayConstructor->getDirect(vm, vm.propertyNames->isArray).asCell()); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::callFunction)].set(vm, this, callFunction); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::applyFunction)].set(vm, this, applyFunction); |
| |
| { |
| JSValue hasOwnPropertyFunction = jsCast<JSFunction*>(objectPrototype()->get(this, vm.propertyNames->hasOwnProperty)); |
| catchScope.assertNoException(); |
| RELEASE_ASSERT(!!jsDynamicCast<JSFunction*>(vm, hasOwnPropertyFunction)); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::hasOwnPropertyFunction)].set(vm, this, jsCast<JSFunction*>(hasOwnPropertyFunction)); |
| } |
| |
| #define INIT_PRIVATE_GLOBAL(funcName, code) \ |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::funcName)].initLater([] (const Initializer<JSCell>& init) { \ |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); \ |
| init.set(JSFunction::create(init.vm, code ## CodeGenerator(init.vm), globalObject)); \ |
| }); |
| JSC_FOREACH_BUILTIN_FUNCTION_PRIVATE_GLOBAL_NAME(INIT_PRIVATE_GLOBAL) |
| #undef INIT_PRIVATE_GLOBAL |
| |
| // FIXME: Initializing them lazily. |
| // https://bugs.webkit.org/show_bug.cgi?id=203795 |
| JSObject* asyncFromSyncIteratorPrototype = AsyncFromSyncIteratorPrototype::create(vm, this, AsyncFromSyncIteratorPrototype::createStructure(vm, this, m_iteratorPrototype.get())); |
| jsCast<JSObject*>(linkTimeConstant(LinkTimeConstant::AsyncFromSyncIterator))->putDirect(vm, vm.propertyNames->prototype, asyncFromSyncIteratorPrototype); |
| |
| JSObject* regExpStringIteratorPrototype = RegExpStringIteratorPrototype::create(vm, this, RegExpStringIteratorPrototype::createStructure(vm, this, m_iteratorPrototype.get())); |
| jsCast<JSObject*>(linkTimeConstant(LinkTimeConstant::RegExpStringIterator))->putDirect(vm, vm.propertyNames->prototype, regExpStringIteratorPrototype); |
| |
| // Map and Set helpers. |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::Set)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(jsCast<JSGlobalObject*>(init.owner)->setConstructor()); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::mapBucketHead)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), mapPrivateFuncMapBucketHead, JSMapBucketHeadIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::mapBucketNext)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), mapPrivateFuncMapBucketNext, JSMapBucketNextIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::mapBucketKey)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), mapPrivateFuncMapBucketKey, JSMapBucketKeyIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::mapBucketValue)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), mapPrivateFuncMapBucketValue, JSMapBucketValueIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::setBucketHead)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), setPrivateFuncSetBucketHead, JSSetBucketHeadIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::setBucketNext)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), setPrivateFuncSetBucketNext, JSSetBucketNextIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::setBucketKey)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), setPrivateFuncSetBucketKey, JSSetBucketKeyIntrinsic)); |
| }); |
| |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::importModule)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), globalFuncImportModule)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::copyDataProperties)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), globalFuncCopyDataProperties)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::enqueueJob)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, "enqueueJob"_s, enqueueJob)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::makeTypeError)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), globalFuncMakeTypeError)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::AggregateError)].initLater([] (const Initializer<JSCell>& init) { |
| JSGlobalObject* globalObject = jsCast<JSGlobalObject*>(init.owner); |
| init.set(globalObject->m_aggregateErrorStructure.constructor(globalObject)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::typedArrayLength)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), typedArrayViewPrivateFuncLength)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::typedArrayGetOriginalConstructor)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), typedArrayViewPrivateFuncGetOriginalConstructor)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::typedArrayContentType)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), typedArrayViewPrivateFuncContentType)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::typedArraySort)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), typedArrayViewPrivateFuncSort)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::isTypedArrayView)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), typedArrayViewPrivateFuncIsTypedArrayView, IsTypedArrayViewIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::isSharedTypedArrayView)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), typedArrayViewPrivateFuncIsSharedTypedArrayView)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::isDetached)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), typedArrayViewPrivateFuncIsDetached)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::typedArrayDefaultComparator)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), typedArrayViewPrivateFuncDefaultComparator)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::typedArraySubarrayCreate)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), typedArrayViewPrivateFuncSubarrayCreate)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::isBoundFunction)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), isBoundFunction)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::hasInstanceBoundFunction)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), hasInstanceBoundFunction)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::instanceOf)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), objectPrivateFuncInstanceOf)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::BuiltinLog)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), globalFuncBuiltinLog)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::BuiltinDescribe)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), globalFuncBuiltinDescribe)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::min)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), mathProtoFuncMin, MinIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::trunc)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), mathProtoFuncTrunc, TruncIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::repeatCharacter)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), stringProtoFuncRepeatCharacter)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::arraySpeciesCreate)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), arrayProtoFuncSpeciesCreate)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::isArraySlow)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), arrayConstructorPrivateFuncIsArraySlow)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::concatMemcpy)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), arrayProtoPrivateFuncConcatMemcpy)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::appendMemcpy)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), arrayProtoPrivateFuncAppendMemcpy)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::hostPromiseRejectionTracker)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), globalFuncHostPromiseRejectionTracker)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::thisTimeValue)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), dateProtoFuncGetTime, DatePrototypeGetTimeIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::sameValue)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), objectConstructorIs, ObjectIsIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::setPrototypeDirect)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), globalFuncSetPrototypeDirect)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::setPrototypeDirectOrThrow)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), globalFuncSetPrototypeDirectOrThrow)); |
| }); |
| |
| // RegExp.prototype helpers. |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpCreate)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), esSpecRegExpCreate, NoIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::isRegExp)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), esSpecIsRegExp, NoIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpMatchFast)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), regExpProtoFuncMatchFast, RegExpMatchFastIntrinsic)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpSearchFast)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), regExpProtoFuncSearchFast)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpSplitFast)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), regExpProtoFuncSplitFast)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::regExpTestFast)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), regExpProtoFuncTestFast, RegExpTestFastIntrinsic)); |
| }); |
| |
| // String.prototype helpers. |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::stringIncludesInternal)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), builtinStringIncludesInternal)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::stringIndexOfInternal)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), builtinStringIndexOfInternal)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::stringSplitFast)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), stringProtoFuncSplitFast)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::stringSubstringInternal)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 2, String(), builtinStringSubstringInternal)); |
| }); |
| |
| // Function prototype helpers. |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::makeBoundFunction)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 5, String(), makeBoundFunction)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::hasOwnLengthProperty)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), hasOwnLengthProperty)); |
| }); |
| |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::dateTimeFormat)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), globalFuncDateTimeFormat)); |
| }); |
| |
| // PrivateSymbols / PrivateNames |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::createPrivateSymbol)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 0, String(), createPrivateSymbol)); |
| }); |
| |
| #if ENABLE(WEBASSEMBLY) |
| // WebAssembly Streaming API |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::webAssemblyCompileStreamingInternal)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), webAssemblyCompileStreamingInternal)); |
| }); |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::webAssemblyInstantiateStreamingInternal)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(JSFunction::create(init.vm, jsCast<JSGlobalObject*>(init.owner), 1, String(), webAssemblyInstantiateStreamingInternal)); |
| }); |
| #endif |
| |
| m_linkTimeConstants[static_cast<unsigned>(LinkTimeConstant::emptyPropertyNameEnumerator)].initLater([] (const Initializer<JSCell>& init) { |
| init.set(init.vm.emptyPropertyNameEnumerator()); |
| }); |
| |
| if (Options::exposeProfilersOnGlobalObject()) { |
| #if ENABLE(SAMPLING_PROFILER) |
| putDirectWithoutTransition(vm, Identifier::fromString(vm, "__enableSamplingProfiler"), JSFunction::create(vm, this, 1, String(), enableSamplingProfiler), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly); |
| putDirectWithoutTransition(vm, Identifier::fromString(vm, "__disableSamplingProfiler"), JSFunction::create(vm, this, 1, String(), disableSamplingProfiler), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly); |
| #endif |
| putDirectWithoutTransition(vm, Identifier::fromString(vm, "__enableSuperSampler"), JSFunction::create(vm, this, 1, String(), enableSuperSampler), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly); |
| putDirectWithoutTransition(vm, Identifier::fromString(vm, "__disableSuperSampler"), JSFunction::create(vm, this, 1, String(), disableSuperSampler), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly); |
| |
| putDirectWithoutTransition(vm, Identifier::fromString(vm, "__tracePointStart"), JSFunction::create(vm, this, 4, String(), tracePointStart), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly); |
| putDirectWithoutTransition(vm, Identifier::fromString(vm, "__tracePointStop"), JSFunction::create(vm, this, 4, String(), tracePointStop), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly); |
| putDirectWithoutTransition(vm, Identifier::fromString(vm, "__signpostStart"), JSFunction::create(vm, this, 1, String(), signpostStart), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly); |
| putDirectWithoutTransition(vm, Identifier::fromString(vm, "__signpostStop"), JSFunction::create(vm, this, 1, String(), signpostStop), PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly); |
| } |
| |
| initStaticGlobals(vm); |
| |
| if (UNLIKELY(Options::useDollarVM())) |
| exposeDollarVM(vm); |
| |
| #if ENABLE(WEBASSEMBLY) |
| if (Wasm::isSupported()) { |
| m_webAssemblyModuleRecordStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(WebAssemblyModuleRecord::createStructure(init.vm, init.owner, init.owner->m_objectPrototype.get())); |
| }); |
| m_webAssemblyFunctionStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(WebAssemblyFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); |
| }); |
| m_jsToWasmICCalleeStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(JSToWasmICCallee::createStructure(init.vm, init.owner, jsNull())); |
| }); |
| m_webAssemblyWrapperFunctionStructure.initLater( |
| [] (const Initializer<Structure>& init) { |
| init.set(WebAssemblyWrapperFunction::createStructure(init.vm, init.owner, init.owner->m_functionPrototype.get())); |
| }); |
| auto* webAssembly = JSWebAssembly::create(vm, this, JSWebAssembly::createStructure(vm, this, m_objectPrototype.get())); |
| putDirectWithoutTransition(vm, Identifier::fromString(vm, "WebAssembly"), webAssembly, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| |
| #define CREATE_WEBASSEMBLY_PROTOTYPE(capitalName, lowerName, properName, instanceType, jsName, prototypeBase, featureFlag) \ |
| if (featureFlag) {\ |
| m_ ## properName ## Structure.initLater(\ |
| [] (LazyClassStructure::Initializer& init) { \ |
| init.setPrototype(capitalName##Prototype::create(init.vm, init.global, capitalName##Prototype::createStructure(init.vm, init.global, init.global->prototypeBase ## Prototype()))); \ |
| init.setStructure(instanceType::createStructure(init.vm, init.global, init.prototype)); \ |
| auto* constructorPrototype = strcmp(#prototypeBase, "error") == 0 ? init.global->m_errorStructure.constructor(init.global) : init.global->functionPrototype(); \ |
| init.setConstructor(capitalName ## Constructor::create(init.vm, capitalName ## Constructor::createStructure(init.vm, init.global, constructorPrototype), jsCast<capitalName ## Prototype*>(init.prototype))); \ |
| }); \ |
| } |
| |
| FOR_EACH_WEBASSEMBLY_CONSTRUCTOR_TYPE(CREATE_WEBASSEMBLY_PROTOTYPE) |
| |
| #undef CREATE_WEBASSEMBLY_CONSTRUCTOR |
| } |
| #endif // ENABLE(WEBASSEMBLY) |
| |
| #undef CREATE_PROTOTYPE_FOR_LAZY_TYPE |
| |
| |
| { |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, arrayIteratorPrototype, vm.propertyNames->next); |
| m_arrayIteratorPrototypeNext = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_arrayIteratorProtocolWatchpointSet); |
| m_arrayIteratorPrototypeNext->install(vm); |
| } |
| { |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, this->arrayPrototype(), vm.propertyNames->iteratorSymbol); |
| m_arrayPrototypeSymbolIteratorWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_arrayIteratorProtocolWatchpointSet); |
| m_arrayPrototypeSymbolIteratorWatchpoint->install(vm); |
| } |
| { |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, this->arrayPrototype(), vm.propertyNames->join); |
| m_arrayPrototypeJoinWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_arrayJoinWatchpointSet); |
| m_arrayPrototypeJoinWatchpoint->install(vm); |
| } |
| |
| { |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, mapIteratorPrototype, vm.propertyNames->next); |
| m_mapIteratorPrototypeNextWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_mapIteratorProtocolWatchpointSet); |
| m_mapIteratorPrototypeNextWatchpoint->install(vm); |
| } |
| { |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, setIteratorPrototype, vm.propertyNames->next); |
| m_setIteratorPrototypeNextWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_setIteratorProtocolWatchpointSet); |
| m_setIteratorPrototypeNextWatchpoint->install(vm); |
| } |
| { |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, m_stringIteratorPrototype.get(), vm.propertyNames->next); |
| m_stringIteratorPrototypeNextWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_stringIteratorProtocolWatchpointSet); |
| m_stringIteratorPrototypeNextWatchpoint->install(vm); |
| } |
| { |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, m_stringPrototype.get(), vm.propertyNames->iteratorSymbol); |
| m_stringPrototypeSymbolIteratorWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_stringIteratorProtocolWatchpointSet); |
| m_stringPrototypeSymbolIteratorWatchpoint->install(vm); |
| } |
| |
| // Unfortunately, the prototype objects of the builtin objects can be touched from concurrent compilers. So eagerly initialize them only if we use JIT. |
| if (Options::useJIT()) { |
| this->booleanPrototype(); |
| this->numberPrototype(); |
| this->symbolPrototype(); |
| } |
| |
| fixupPrototypeChainWithObjectPrototype(vm); |
| } |
| |
| bool JSGlobalObject::put(JSCell* cell, JSGlobalObject* globalObject, PropertyName propertyName, JSValue value, PutPropertySlot& slot) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(cell); |
| ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject)); |
| |
| if (UNLIKELY(isThisValueAltered(slot, thisObject))) { |
| SymbolTableEntry::Fast entry = thisObject->symbolTable()->get(propertyName.uid()); |
| if (!entry.isNull()) { |
| if (entry.isReadOnly()) |
| return typeError(globalObject, scope, slot.isStrictMode(), ReadonlyPropertyWriteError); |
| RELEASE_AND_RETURN(scope, JSObject::definePropertyOnReceiver(globalObject, propertyName, value, slot)); |
| } |
| RELEASE_AND_RETURN(scope, Base::put(thisObject, globalObject, propertyName, value, slot)); |
| } |
| |
| bool shouldThrowReadOnlyError = slot.isStrictMode(); |
| bool ignoreReadOnlyErrors = false; |
| bool putResult = false; |
| bool done = symbolTablePutTouchWatchpointSet(thisObject, globalObject, propertyName, value, shouldThrowReadOnlyError, ignoreReadOnlyErrors, putResult); |
| EXCEPTION_ASSERT((!!scope.exception() == (done && !putResult)) || !shouldThrowReadOnlyError); |
| if (done) |
| return putResult; |
| RELEASE_AND_RETURN(scope, Base::put(thisObject, globalObject, propertyName, value, slot)); |
| } |
| |
| bool JSGlobalObject::defineOwnProperty(JSObject* object, JSGlobalObject* globalObject, PropertyName propertyName, const PropertyDescriptor& descriptor, bool shouldThrow) |
| { |
| VM& vm = globalObject->vm(); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(object); |
| |
| SymbolTableEntry entry; |
| PropertyDescriptor currentDescriptor; |
| if (symbolTableGet(thisObject, propertyName, entry, currentDescriptor)) { |
| bool isExtensible = false; // ignored since current descriptor is present |
| bool isCurrentDefined = true; |
| bool isCompatibleDescriptor = validateAndApplyPropertyDescriptor(globalObject, nullptr, propertyName, isExtensible, descriptor, isCurrentDefined, currentDescriptor, shouldThrow); |
| RETURN_IF_EXCEPTION(scope, false); |
| if (!isCompatibleDescriptor) |
| return false; |
| |
| if (descriptor.value()) { |
| bool ignoreReadOnlyErrors = true; |
| bool putResult = false; |
| if (symbolTablePutTouchWatchpointSet(thisObject, globalObject, propertyName, descriptor.value(), shouldThrow, ignoreReadOnlyErrors, putResult)) |
| ASSERT(putResult); |
| RETURN_IF_EXCEPTION(scope, false); |
| } |
| if (descriptor.writablePresent() && !descriptor.writable() && !entry.isReadOnly()) { |
| entry.setReadOnly(); |
| thisObject->symbolTable()->set(propertyName.uid(), entry); |
| thisObject->varReadOnlyWatchpoint()->fireAll(vm, "GlobalVar was redefined as ReadOnly"); |
| } |
| return true; |
| } |
| |
| RELEASE_AND_RETURN(scope, Base::defineOwnProperty(thisObject, globalObject, propertyName, descriptor, shouldThrow)); |
| } |
| |
| void JSGlobalObject::addGlobalVar(const Identifier& ident) |
| { |
| ConcurrentJSLocker locker(symbolTable()->m_lock); |
| SymbolTableEntry entry = symbolTable()->get(locker, ident.impl()); |
| if (!entry.isNull()) |
| return; |
| |
| ScopeOffset offset = symbolTable()->takeNextScopeOffset(locker); |
| SymbolTableEntry newEntry(VarOffset(offset), 0); |
| newEntry.prepareToWatch(); |
| symbolTable()->add(locker, ident.impl(), WTFMove(newEntry)); |
| |
| ScopeOffset offsetForAssert = addVariables(1, jsUndefined()); |
| RELEASE_ASSERT(offsetForAssert == offset); |
| } |
| |
| void JSGlobalObject::addFunction(JSGlobalObject* globalObject, const Identifier& propertyName) |
| { |
| VM& vm = globalObject->vm(); |
| VM::DeletePropertyModeScope scope(vm, VM::DeletePropertyMode::IgnoreConfigurable); |
| JSCell::deleteProperty(this, globalObject, propertyName); |
| addGlobalVar(propertyName); |
| } |
| |
| void JSGlobalObject::setGlobalScopeExtension(JSScope* scope) |
| { |
| m_globalScopeExtension.set(vm(), this, scope); |
| } |
| |
| void JSGlobalObject::clearGlobalScopeExtension() |
| { |
| m_globalScopeExtension.clear(); |
| } |
| |
| static inline JSObject* lastInPrototypeChain(VM& vm, JSObject* object) |
| { |
| JSObject* o = object; |
| while (o->getPrototypeDirect(vm).isObject()) |
| o = asObject(o->getPrototypeDirect(vm)); |
| return o; |
| } |
| |
| // Private namespace for helpers for JSGlobalObject::haveABadTime() |
| namespace { |
| |
| class GlobalObjectDependencyFinder : public MarkedBlock::VoidFunctor { |
| public: |
| GlobalObjectDependencyFinder(VM& vm) |
| : m_vm(vm) |
| { } |
| |
| IterationStatus operator()(HeapCell*, HeapCell::Kind) const; |
| |
| void addDependency(JSGlobalObject* key, JSGlobalObject* dependent); |
| HashSet<JSGlobalObject*>* dependentsFor(JSGlobalObject* key); |
| |
| private: |
| void visit(JSObject*); |
| |
| VM& m_vm; |
| HashMap<JSGlobalObject*, HashSet<JSGlobalObject*>> m_dependencies; |
| }; |
| |
| inline void GlobalObjectDependencyFinder::addDependency(JSGlobalObject* key, JSGlobalObject* dependent) |
| { |
| auto keyResult = m_dependencies.add(key, HashSet<JSGlobalObject*>()); |
| keyResult.iterator->value.add(dependent); |
| } |
| |
| inline HashSet<JSGlobalObject*>* GlobalObjectDependencyFinder::dependentsFor(JSGlobalObject* key) |
| { |
| auto iterator = m_dependencies.find(key); |
| if (iterator == m_dependencies.end()) |
| return nullptr; |
| return &iterator->value; |
| } |
| |
| inline void GlobalObjectDependencyFinder::visit(JSObject* object) |
| { |
| VM& vm = m_vm; |
| |
| if (!object->mayBePrototype()) |
| return; |
| |
| JSObject* current = object; |
| JSGlobalObject* objectGlobalObject = object->globalObject(vm); |
| do { |
| JSValue prototypeValue = current->getPrototypeDirect(vm); |
| if (prototypeValue.isNull()) |
| return; |
| current = asObject(prototypeValue); |
| |
| JSGlobalObject* protoGlobalObject = current->globalObject(vm); |
| if (protoGlobalObject != objectGlobalObject) |
| addDependency(protoGlobalObject, objectGlobalObject); |
| } while (true); |
| } |
| |
| IterationStatus GlobalObjectDependencyFinder::operator()(HeapCell* cell, HeapCell::Kind kind) const |
| { |
| if (isJSCellKind(kind) && static_cast<JSCell*>(cell)->isObject()) { |
| // FIXME: This const_cast exists because this isn't a C++ lambda. |
| // https://bugs.webkit.org/show_bug.cgi?id=159644 |
| const_cast<GlobalObjectDependencyFinder*>(this)->visit(jsCast<JSObject*>(static_cast<JSCell*>(cell))); |
| } |
| return IterationStatus::Continue; |
| } |
| |
| enum class BadTimeFinderMode { |
| SingleGlobal, |
| MultipleGlobals |
| }; |
| |
| template<BadTimeFinderMode mode> |
| class ObjectsWithBrokenIndexingFinder : public MarkedBlock::VoidFunctor { |
| public: |
| ObjectsWithBrokenIndexingFinder(VM&, Vector<JSObject*>&, JSGlobalObject*); |
| ObjectsWithBrokenIndexingFinder(VM&, Vector<JSObject*>&, HashSet<JSGlobalObject*>&); |
| |
| bool needsMultiGlobalsScan() const { return m_needsMultiGlobalsScan; } |
| IterationStatus operator()(HeapCell*, HeapCell::Kind) const; |
| |
| private: |
| IterationStatus visit(JSObject*); |
| |
| VM& m_vm; |
| Vector<JSObject*>& m_foundObjects; |
| JSGlobalObject* m_globalObject { nullptr }; // Only used for SingleBadTimeGlobal mode. |
| HashSet<JSGlobalObject*>* m_globalObjects { nullptr }; // Only used for BadTimeGlobalGraph mode; |
| bool m_needsMultiGlobalsScan { false }; |
| }; |
| |
| template<> |
| ObjectsWithBrokenIndexingFinder<BadTimeFinderMode::SingleGlobal>::ObjectsWithBrokenIndexingFinder( |
| VM& vm, Vector<JSObject*>& foundObjects, JSGlobalObject* globalObject) |
| : m_vm(vm) |
| , m_foundObjects(foundObjects) |
| , m_globalObject(globalObject) |
| { |
| } |
| |
| template<> |
| ObjectsWithBrokenIndexingFinder<BadTimeFinderMode::MultipleGlobals>::ObjectsWithBrokenIndexingFinder( |
| VM& vm, Vector<JSObject*>& foundObjects, HashSet<JSGlobalObject*>& globalObjects) |
| : m_vm(vm) |
| , m_foundObjects(foundObjects) |
| , m_globalObjects(&globalObjects) |
| { |
| } |
| |
| inline bool hasBrokenIndexing(IndexingType type) |
| { |
| return type && !hasSlowPutArrayStorage(type); |
| } |
| |
| inline bool hasBrokenIndexing(JSObject* object) |
| { |
| IndexingType type = object->indexingType(); |
| return hasBrokenIndexing(type); |
| } |
| |
| template<BadTimeFinderMode mode> |
| inline IterationStatus ObjectsWithBrokenIndexingFinder<mode>::visit(JSObject* object) |
| { |
| VM& vm = m_vm; |
| |
| // We only want to have a bad time in the affected global object, not in the entire |
| // VM. But we have to be careful, since there may be objects that claim to belong to |
| // a different global object that have prototypes from our global object. |
| auto isInAffectedGlobalObject = [&] (JSObject* object) { |
| JSGlobalObject* objectGlobalObject { nullptr }; |
| bool objectMayBePrototype { false }; |
| |
| if (mode == BadTimeFinderMode::SingleGlobal) { |
| objectGlobalObject = object->globalObject(vm); |
| if (objectGlobalObject == m_globalObject) |
| return true; |
| |
| objectMayBePrototype = object->mayBePrototype(); |
| } |
| |
| for (JSObject* current = object; ;) { |
| JSGlobalObject* currentGlobalObject = current->globalObject(vm); |
| if (mode == BadTimeFinderMode::SingleGlobal) { |
| if (objectMayBePrototype && currentGlobalObject != objectGlobalObject) |
| m_needsMultiGlobalsScan = true; |
| if (currentGlobalObject == m_globalObject) |
| return true; |
| } else { |
| if (m_globalObjects->contains(currentGlobalObject)) |
| return true; |
| } |
| |
| JSValue prototypeValue = current->getPrototypeDirect(vm); |
| if (prototypeValue.isNull()) |
| return false; |
| current = asObject(prototypeValue); |
| } |
| RELEASE_ASSERT_NOT_REACHED(); |
| }; |
| |
| if (JSFunction* function = jsDynamicCast<JSFunction*>(vm, object)) { |
| if (FunctionRareData* rareData = function->rareData()) { |
| // We only use this to cache JSFinalObjects. They do not start off with a broken indexing type. |
| ASSERT(!(rareData->objectAllocationStructure() && hasBrokenIndexing(rareData->objectAllocationStructure()->indexingType()))); |
| |
| if (Structure* structure = rareData->internalFunctionAllocationStructure()) { |
| if (hasBrokenIndexing(structure->indexingType())) { |
| bool isRelevantGlobalObject = |
| (mode == BadTimeFinderMode::SingleGlobal |
| ? m_globalObject == structure->globalObject() |
| : m_globalObjects->contains(structure->globalObject())) |
| || (structure->hasMonoProto() && !structure->storedPrototype().isNull() && isInAffectedGlobalObject(asObject(structure->storedPrototype()))); |
| if (mode == BadTimeFinderMode::SingleGlobal && m_needsMultiGlobalsScan) |
| return IterationStatus::Done; // Bailing early and let the MultipleGlobals path handle everything. |
| if (isRelevantGlobalObject) |
| rareData->clearInternalFunctionAllocationProfile("have a bad time breaking internal function allocation"); |
| } |
| } |
| } |
| } |
| |
| // Run this filter first, since it's cheap, and ought to filter out a lot of objects. |
| if (!hasBrokenIndexing(object)) |
| return IterationStatus::Continue; |
| |
| if (isInAffectedGlobalObject(object)) |
| m_foundObjects.append(object); |
| |
| if (mode == BadTimeFinderMode::SingleGlobal && m_needsMultiGlobalsScan) |
| return IterationStatus::Done; // Bailing early and let the MultipleGlobals path handle everything. |
| |
| return IterationStatus::Continue; |
| } |
| |
| template<BadTimeFinderMode mode> |
| IterationStatus ObjectsWithBrokenIndexingFinder<mode>::operator()(HeapCell* cell, HeapCell::Kind kind) const |
| { |
| if (isJSCellKind(kind) && static_cast<JSCell*>(cell)->isObject()) { |
| // FIXME: This const_cast exists because this isn't a C++ lambda. |
| // https://bugs.webkit.org/show_bug.cgi?id=159644 |
| return const_cast<ObjectsWithBrokenIndexingFinder*>(this)->visit(jsCast<JSObject*>(static_cast<JSCell*>(cell))); |
| } |
| return IterationStatus::Continue; |
| } |
| |
| } // end private namespace for helpers for JSGlobalObject::haveABadTime() |
| |
| void JSGlobalObject::fireWatchpointAndMakeAllArrayStructuresSlowPut(VM& vm) |
| { |
| if (isHavingABadTime()) |
| return; |
| |
| // Make sure that all JSArray allocations that load the appropriate structure from |
| // this object now load a structure that uses SlowPut. |
| for (unsigned i = 0; i < NumberOfArrayIndexingModes; ++i) |
| m_arrayStructureForIndexingShapeDuringAllocation[i].set(vm, this, originalArrayStructureForIndexingType(ArrayWithSlowPutArrayStorage)); |
| |
| // Same for any special array structures. |
| Structure* slowPutStructure; |
| slowPutStructure = createRegExpMatchesArraySlowPutStructure(vm, this); |
| m_regExpMatchesArrayStructure.set(vm, this, slowPutStructure); |
| slowPutStructure = createRegExpMatchesArrayWithIndicesSlowPutStructure(vm, this); |
| m_regExpMatchesArrayWithIndicesStructure.set(vm, this, slowPutStructure); |
| slowPutStructure = createRegExpMatchesIndicesArraySlowPutStructure(vm, this); |
| m_regExpMatchesIndicesArrayStructure.set(vm, this, slowPutStructure); |
| slowPutStructure = ClonedArguments::createSlowPutStructure(vm, this, m_objectPrototype.get()); |
| m_clonedArgumentsStructure.set(vm, this, slowPutStructure); |
| |
| // Make sure that all allocations or indexed storage transitions that are inlining |
| // the assumption that it's safe to transition to a non-SlowPut array storage don't |
| // do so anymore. |
| // Note: we are deliberately firing the watchpoint here at the end only after |
| // making all the array structures SlowPut. This ensures that the concurrent |
| // JIT threads will always get the SlowPut versions of the structures if |
| // isHavingABadTime() returns true. The concurrent JIT relies on this. |
| m_havingABadTimeWatchpoint->fireAll(vm, "Having a bad time"); |
| ASSERT(isHavingABadTime()); // The watchpoint is what tells us that we're having a bad time. |
| }; |
| |
| void JSGlobalObject::haveABadTime(VM& vm) |
| { |
| ASSERT(&vm == &this->vm()); |
| |
| if (isHavingABadTime()) |
| return; |
| |
| vm.structureCache.clear(); // We may be caching array structures in here. |
| |
| DeferGC deferGC(vm.heap); |
| |
| // Consider the following objects and prototype chains: |
| // O (of global G1) -> A (of global G1) |
| // B (of global G2) where G2 has a bad time |
| // |
| // If we set B as the prototype of A, G1 will need to have a bad time. |
| // See comments in Structure::mayInterceptIndexedAccesses() for why. |
| // |
| // Now, consider the following objects and prototype chains: |
| // O1 (of global G1) -> A1 (of global G1) -> B1 (of global G2) |
| // O2 (of global G2) -> A2 (of global G2) |
| // B2 (of global G3) where G3 has a bad time. |
| // |
| // G1 and G2 does not have a bad time, but G3 already has a bad time. |
| // If we set B2 as the prototype of A2, then G2 needs to have a bad time. |
| // Note that by induction, G1 also now needs to have a bad time because of |
| // O1 -> A1 -> B1. |
| // |
| // We describe this as global G1 being affected by global G2, and G2 by G3. |
| // Similarly, we say that G1 is dependent on G2, and G2 on G3. |
| // Hence, when G3 has a bad time, we need to ensure that all globals that |
| // are transitively dependent on it also have a bad time (G2 and G1 in this |
| // example). |
| // |
| // Apart from clearing the VM structure cache above, there are 2 more things |
| // that we have to do when globals have a bad time: |
| // 1. For each affected global: |
| // a. Fire its HaveABadTime watchpoint. |
| // b. Convert all of its array structures to SlowPutArrayStorage. |
| // 2. Make sure that all affected objects switch to the slow kind of |
| // indexed storage. An object is considered to be affected if it has |
| // indexed storage and has a prototype object which may have indexed |
| // accessors. If the prototype object belongs to a global having a bad |
| // time, then the prototype object is considered to possibly have indexed |
| // accessors. See comments in Structure::mayInterceptIndexedAccesses() |
| // for details. |
| // |
| // Note: step 1 must be completed before step 2 because step 2 relies on |
| // the HaveABadTime watchpoint having already been fired on all affected |
| // globals. |
| // |
| // In the common case, only this global will start having a bad time here, |
| // and no other globals are affected by it. So, we first proceed on this assumption |
| // with a simpler ObjectsWithBrokenIndexingFinder scan to find heap objects |
| // affected by this global that need to be converted to SlowPutArrayStorage. |
| // We'll also have the finder check for the presence of other global objects |
| // depending on this one. |
| // |
| // If we do discover other globals depending on this one, we'll abort this |
| // first ObjectsWithBrokenIndexingFinder scan because it will be insufficient |
| // to find all affected objects that need to be converted to SlowPutArrayStorage. |
| // It also does not make dependent globals have a bad time. Instead, we'll |
| // take a more comprehensive approach of first creating a dependency graph |
| // between globals, and then using that graph to determine all affected |
| // globals and objects. With that, we can make all affected globals have a |
| // bad time, and convert all affected objects to SlowPutArrayStorage. |
| |
| fireWatchpointAndMakeAllArrayStructuresSlowPut(vm); // Step 1 above. |
| |
| Vector<JSObject*> foundObjects; |
| ObjectsWithBrokenIndexingFinder<BadTimeFinderMode::SingleGlobal> finder(vm, foundObjects, this); |
| { |
| HeapIterationScope iterationScope(vm.heap); |
| vm.heap.objectSpace().forEachLiveCell(iterationScope, finder); // Attempt step 2 above. |
| } |
| |
| if (finder.needsMultiGlobalsScan()) { |
| foundObjects.clear(); |
| |
| // Find all globals that will also have a bad time as a side effect of |
| // this global having a bad time. |
| GlobalObjectDependencyFinder dependencies(vm); |
| { |
| HeapIterationScope iterationScope(vm.heap); |
| vm.heap.objectSpace().forEachLiveCell(iterationScope, dependencies); |
| } |
| |
| HashSet<JSGlobalObject*> globalsHavingABadTime; |
| Deque<JSGlobalObject*> globals; |
| |
| globals.append(this); |
| while (!globals.isEmpty()) { |
| JSGlobalObject* global = globals.takeFirst(); |
| global->fireWatchpointAndMakeAllArrayStructuresSlowPut(vm); // Step 1 above. |
| auto result = globalsHavingABadTime.add(global); |
| if (result.isNewEntry) { |
| if (HashSet<JSGlobalObject*>* dependents = dependencies.dependentsFor(global)) { |
| for (JSGlobalObject* dependentGlobal : *dependents) |
| globals.append(dependentGlobal); |
| } |
| } |
| } |
| |
| ObjectsWithBrokenIndexingFinder<BadTimeFinderMode::MultipleGlobals> finder(vm, foundObjects, globalsHavingABadTime); |
| { |
| HeapIterationScope iterationScope(vm.heap); |
| vm.heap.objectSpace().forEachLiveCell(iterationScope, finder); // Step 2 above. |
| } |
| } |
| |
| while (!foundObjects.isEmpty()) { |
| JSObject* object = asObject(foundObjects.last()); |
| foundObjects.removeLast(); |
| ASSERT(hasBrokenIndexing(object)); |
| object->switchToSlowPutArrayStorage(vm); |
| } |
| } |
| |
| void JSGlobalObject::fixupPrototypeChainWithObjectPrototype(VM& vm) |
| { |
| JSObject* oldLastInPrototypeChain = lastInPrototypeChain(vm, this); |
| JSObject* objectPrototype = m_objectPrototype.get(); |
| if (oldLastInPrototypeChain != objectPrototype) |
| oldLastInPrototypeChain->setPrototypeDirect(vm, objectPrototype); |
| } |
| |
| // Set prototype, and also insert the object prototype at the end of the chain. |
| void JSGlobalObject::resetPrototype(VM& vm, JSValue prototype) |
| { |
| if (getPrototypeDirect(vm) == prototype) |
| return; |
| setPrototypeDirect(vm, prototype); |
| fixupPrototypeChainWithObjectPrototype(vm); |
| // Whenever we change the prototype of the global object, we need to create a new JSProxy with the correct prototype. |
| setGlobalThis(vm, JSProxy::create(vm, JSProxy::createStructure(vm, this, prototype), this)); |
| } |
| |
| template<typename Visitor> |
| void JSGlobalObject::visitChildrenImpl(JSCell* cell, Visitor& visitor) |
| { |
| JSGlobalObject* thisObject = jsCast<JSGlobalObject*>(cell); |
| ASSERT_GC_OBJECT_INHERITS(thisObject, info()); |
| Base::visitChildren(thisObject, visitor); |
| |
| visitor.append(thisObject->m_globalThis); |
| |
| visitor.append(thisObject->m_globalLexicalEnvironment); |
| visitor.append(thisObject->m_globalScopeExtension); |
| visitor.append(thisObject->m_globalCallee); |
| visitor.append(thisObject->m_stackOverflowFrameCallee); |
| thisObject->m_evalErrorStructure.visit(visitor); |
| thisObject->m_rangeErrorStructure.visit(visitor); |
| thisObject->m_referenceErrorStructure.visit(visitor); |
| thisObject->m_syntaxErrorStructure.visit(visitor); |
| thisObject->m_typeErrorStructure.visit(visitor); |
| thisObject->m_URIErrorStructure.visit(visitor); |
| thisObject->m_aggregateErrorStructure.visit(visitor); |
| visitor.append(thisObject->m_arrayConstructor); |
| visitor.append(thisObject->m_regExpConstructor); |
| visitor.append(thisObject->m_objectConstructor); |
| visitor.append(thisObject->m_functionConstructor); |
| visitor.append(thisObject->m_promiseConstructor); |
| visitor.append(thisObject->m_internalPromiseConstructor); |
| |
| thisObject->m_defaultCollator.visit(visitor); |
| thisObject->m_collatorStructure.visit(visitor); |
| thisObject->m_displayNamesStructure.visit(visitor); |
| thisObject->m_listFormatStructure.visit(visitor); |
| thisObject->m_localeStructure.visit(visitor); |
| thisObject->m_pluralRulesStructure.visit(visitor); |
| thisObject->m_relativeTimeFormatStructure.visit(visitor); |
| thisObject->m_segmentIteratorStructure.visit(visitor); |
| thisObject->m_segmenterStructure.visit(visitor); |
| thisObject->m_segmentsStructure.visit(visitor); |
| thisObject->m_dateTimeFormatStructure.visit(visitor); |
| thisObject->m_numberFormatStructure.visit(visitor); |
| |
| thisObject->m_calendarStructure.visit(visitor); |
| thisObject->m_durationStructure.visit(visitor); |
| thisObject->m_plainTimeStructure.visit(visitor); |
| thisObject->m_timeZoneStructure.visit(visitor); |
| |
| visitor.append(thisObject->m_nullGetterFunction); |
| visitor.append(thisObject->m_nullSetterFunction); |
| visitor.append(thisObject->m_nullSetterStrictFunction); |
| |
| thisObject->m_parseIntFunction.visit(visitor); |
| thisObject->m_parseFloatFunction.visit(visitor); |
| thisObject->m_objectProtoToStringFunction.visit(visitor); |
| thisObject->m_arrayProtoToStringFunction.visit(visitor); |
| thisObject->m_arrayProtoValuesFunction.visit(visitor); |
| thisObject->m_evalFunction.visit(visitor); |
| thisObject->m_iteratorProtocolFunction.visit(visitor); |
| thisObject->m_promiseResolveFunction.visit(visitor); |
| visitor.append(thisObject->m_objectProtoValueOfFunction); |
| thisObject->m_numberProtoToStringFunction.visit(visitor); |
| visitor.append(thisObject->m_functionProtoHasInstanceSymbolFunction); |
| visitor.append(thisObject->m_regExpProtoSymbolReplace); |
| thisObject->m_throwTypeErrorArgumentsCalleeGetterSetter.visit(visitor); |
| thisObject->m_moduleLoader.visit(visitor); |
| |
| visitor.append(thisObject->m_objectPrototype); |
| visitor.append(thisObject->m_functionPrototype); |
| visitor.append(thisObject->m_arrayPrototype); |
| visitor.append(thisObject->m_iteratorPrototype); |
| visitor.append(thisObject->m_generatorFunctionPrototype); |
| visitor.append(thisObject->m_generatorPrototype); |
| visitor.append(thisObject->m_arrayIteratorPrototype); |
| visitor.append(thisObject->m_mapIteratorPrototype); |
| visitor.append(thisObject->m_setIteratorPrototype); |
| visitor.append(thisObject->m_asyncFunctionPrototype); |
| visitor.append(thisObject->m_asyncGeneratorPrototype); |
| visitor.append(thisObject->m_asyncIteratorPrototype); |
| visitor.append(thisObject->m_asyncGeneratorFunctionPrototype); |
| |
| thisObject->m_debuggerScopeStructure.visit(visitor); |
| thisObject->m_withScopeStructure.visit(visitor); |
| thisObject->m_strictEvalActivationStructure.visit(visitor); |
| visitor.append(thisObject->m_lexicalEnvironmentStructure); |
| thisObject->m_moduleEnvironmentStructure.visit(visitor); |
| visitor.append(thisObject->m_directArgumentsStructure); |
| visitor.append(thisObject->m_scopedArgumentsStructure); |
| visitor.append(thisObject->m_clonedArgumentsStructure); |
| visitor.append(thisObject->m_objectStructureForObjectConstructor); |
| for (unsigned i = 0; i < NumberOfArrayIndexingModes; ++i) |
| visitor.append(thisObject->m_originalArrayStructureForIndexingShape[i]); |
| for (unsigned i = 0; i < NumberOfArrayIndexingModes; ++i) |
| visitor.append(thisObject->m_arrayStructureForIndexingShapeDuringAllocation[i]); |
| thisObject->m_callbackConstructorStructure.visit(visitor); |
| thisObject->m_callbackFunctionStructure.visit(visitor); |
| thisObject->m_callbackObjectStructure.visit(visitor); |
| #if JSC_OBJC_API_ENABLED |
| thisObject->m_objcCallbackFunctionStructure.visit(visitor); |
| thisObject->m_objcWrapperObjectStructure.visit(visitor); |
| #endif |
| #ifdef JSC_GLIB_API_ENABLED |
| thisObject->m_glibCallbackFunctionStructure.visit(visitor); |
| thisObject->m_glibWrapperObjectStructure.visit(visitor); |
| #endif |
| visitor.append(thisObject->m_nullPrototypeObjectStructure); |
| visitor.append(thisObject->m_calleeStructure); |
| |
| visitor.append(thisObject->m_hostFunctionStructure); |
| auto visitFunctionStructures = [&] (FunctionStructures& structures) { |
| visitor.append(structures.arrowFunctionStructure); |
| visitor.append(structures.sloppyFunctionStructure); |
| visitor.append(structures.strictFunctionStructure); |
| }; |
| visitFunctionStructures(thisObject->m_builtinFunctions); |
| visitFunctionStructures(thisObject->m_ordinaryFunctions); |
| |
| thisObject->m_customGetterFunctionStructure.visit(visitor); |
| thisObject->m_customSetterFunctionStructure.visit(visitor); |
| thisObject->m_boundFunctionStructure.visit(visitor); |
| thisObject->m_nativeStdFunctionStructure.visit(visitor); |
| visitor.append(thisObject->m_regExpStructure); |
| visitor.append(thisObject->m_generatorFunctionStructure); |
| visitor.append(thisObject->m_asyncFunctionStructure); |
| visitor.append(thisObject->m_asyncGeneratorFunctionStructure); |
| visitor.append(thisObject->m_generatorStructure); |
| visitor.append(thisObject->m_asyncGeneratorStructure); |
| visitor.append(thisObject->m_arrayIteratorStructure); |
| visitor.append(thisObject->m_mapIteratorStructure); |
| visitor.append(thisObject->m_setIteratorStructure); |
| thisObject->m_iteratorResultObjectStructure.visit(visitor); |
| thisObject->m_dataPropertyDescriptorObjectStructure.visit(visitor); |
| thisObject->m_accessorPropertyDescriptorObjectStructure.visit(visitor); |
| visitor.append(thisObject->m_regExpMatchesArrayStructure); |
| visitor.append(thisObject->m_regExpMatchesArrayWithIndicesStructure); |
| visitor.append(thisObject->m_regExpMatchesIndicesArrayStructure); |
| thisObject->m_moduleRecordStructure.visit(visitor); |
| thisObject->m_moduleNamespaceObjectStructure.visit(visitor); |
| thisObject->m_proxyObjectStructure.visit(visitor); |
| thisObject->m_callableProxyObjectStructure.visit(visitor); |
| thisObject->m_proxyRevokeStructure.visit(visitor); |
| thisObject->m_sharedArrayBufferStructure.visit(visitor); |
| |
| for (auto& property : thisObject->m_linkTimeConstants) |
| property.visit(visitor); |
| |
| #define VISIT_SIMPLE_TYPE(CapitalName, lowerName, properName, instanceType, jsName, prototypeBase, featureFlag) if (featureFlag) { \ |
| visitor.append(thisObject->m_ ## lowerName ## Prototype); \ |
| visitor.append(thisObject->m_ ## properName ## Structure); \ |
| } |
| |
| FOR_EACH_SIMPLE_BUILTIN_TYPE(VISIT_SIMPLE_TYPE) |
| FOR_EACH_BUILTIN_DERIVED_ITERATOR_TYPE(VISIT_SIMPLE_TYPE) |
| |
| #define VISIT_LAZY_TYPE(CapitalName, lowerName, properName, instanceType, jsName, prototypeBase, featureFlag) if (featureFlag) \ |
| thisObject->m_ ## properName ## Structure.visit(visitor); |
| |
| FOR_EACH_LAZY_BUILTIN_TYPE(VISIT_LAZY_TYPE) |
| |
| #if ENABLE(WEBASSEMBLY) |
| thisObject->m_webAssemblyModuleRecordStructure.visit(visitor); |
| thisObject->m_webAssemblyFunctionStructure.visit(visitor); |
| thisObject->m_jsToWasmICCalleeStructure.visit(visitor); |
| thisObject->m_webAssemblyWrapperFunctionStructure.visit(visitor); |
| FOR_EACH_WEBASSEMBLY_CONSTRUCTOR_TYPE(VISIT_LAZY_TYPE) |
| #endif // ENABLE(WEBASSEMBLY) |
| |
| #undef VISIT_SIMPLE_TYPE |
| #undef VISIT_LAZY_TYPE |
| |
| for (unsigned i = NumberOfTypedArrayTypes; i--;) |
| thisObject->lazyTypedArrayStructure(indexToTypedArrayType(i)).visit(visitor); |
| |
| visitor.append(thisObject->m_speciesGetterSetter); |
| thisObject->m_typedArrayProto.visit(visitor); |
| thisObject->m_typedArraySuperConstructor.visit(visitor); |
| thisObject->m_regExpGlobalData.visitAggregate(visitor); |
| } |
| |
| DEFINE_VISIT_CHILDREN_WITH_MODIFIER(JS_EXPORT_PRIVATE, JSGlobalObject); |
| |
| CallFrame* JSGlobalObject::deprecatedCallFrameForDebugger() |
| { |
| return CallFrame::create(m_deprecatedCallFrameForDebugger); |
| } |
| |
| SUPPRESS_ASAN void JSGlobalObject::exposeDollarVM(VM& vm) |
| { |
| RELEASE_ASSERT(g_jscConfig.restrictedOptionsEnabled && Options::useDollarVM()); |
| if (hasOwnProperty(this, vm.propertyNames->builtinNames().dollarVMPrivateName())) |
| return; |
| |
| JSDollarVM* dollarVM = JSDollarVM::create(vm, JSDollarVM::createStructure(vm, this, m_objectPrototype.get())); |
| |
| GlobalPropertyInfo extraStaticGlobals[] = { |
| GlobalPropertyInfo(vm.propertyNames->builtinNames().dollarVMPrivateName(), dollarVM, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly), |
| }; |
| addStaticGlobals(extraStaticGlobals, WTF_ARRAY_LENGTH(extraStaticGlobals)); |
| |
| putDirect(vm, Identifier::fromString(vm, "$vm"), dollarVM, static_cast<unsigned>(PropertyAttribute::DontEnum)); |
| } |
| |
| void JSGlobalObject::addStaticGlobals(GlobalPropertyInfo* globals, int count) |
| { |
| ScopeOffset startOffset = addVariables(count, jsUndefined()); |
| |
| for (int i = 0; i < count; ++i) { |
| GlobalPropertyInfo& global = globals[i]; |
| // This `configurable = false` is necessary condition for static globals, |
| // otherwise lexical bindings can change the result of GlobalVar queries too. |
| // We won't be able to declare a global lexical variable with the sanem name to |
| // the static globals because configurable = false. |
| ASSERT(global.attributes & PropertyAttribute::DontDelete); |
| |
| WatchpointSet* watchpointSet = nullptr; |
| WriteBarrierBase<Unknown>* variable = nullptr; |
| { |
| ConcurrentJSLocker locker(symbolTable()->m_lock); |
| ScopeOffset offset = symbolTable()->takeNextScopeOffset(locker); |
| RELEASE_ASSERT(offset == startOffset + i); |
| SymbolTableEntry newEntry(VarOffset(offset), global.attributes); |
| newEntry.prepareToWatch(); |
| watchpointSet = newEntry.watchpointSet(); |
| symbolTable()->add(locker, global.identifier.impl(), WTFMove(newEntry)); |
| variable = &variableAt(offset); |
| } |
| symbolTablePutTouchWatchpointSet(vm(), this, global.identifier, global.value, variable, watchpointSet); |
| } |
| } |
| |
| bool JSGlobalObject::getOwnPropertySlot(JSObject* object, JSGlobalObject* globalObject, PropertyName propertyName, PropertySlot& slot) |
| { |
| if (Base::getOwnPropertySlot(object, globalObject, propertyName, slot)) |
| return true; |
| return symbolTableGet(jsCast<JSGlobalObject*>(object), propertyName, slot); |
| } |
| |
| void JSGlobalObject::clearRareData(JSCell* cell) |
| { |
| jsCast<JSGlobalObject*>(cell)->m_rareData = nullptr; |
| } |
| |
| void JSGlobalObject::tryInstallSpeciesWatchpoint(JSObject* prototype, JSObject* constructor, std::unique_ptr<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>& constructorWatchpoint, std::unique_ptr<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>& speciesWatchpoint, InlineWatchpointSet& speciesWatchpointSet) |
| { |
| RELEASE_ASSERT(!constructorWatchpoint); |
| RELEASE_ASSERT(!speciesWatchpoint); |
| |
| VM& vm = this->vm(); |
| DeferTermination deferScope(vm); |
| auto scope = DECLARE_THROW_SCOPE(vm); |
| |
| // First we need to make sure that the %prototype%.constructor property points to a %constructor% |
| // and that %constructor%[Symbol.species] is the primordial GetterSetter. |
| |
| // We only initialize once so flattening the structures does not have any real cost. |
| Structure* prototypeStructure = prototype->structure(vm); |
| if (prototypeStructure->isDictionary()) |
| prototypeStructure = prototypeStructure->flattenDictionaryStructure(vm, prototype); |
| RELEASE_ASSERT(!prototypeStructure->isDictionary()); |
| |
| auto invalidateWatchpoint = [&] { |
| speciesWatchpointSet.invalidate(vm, StringFireDetail("Was not able to set up species watchpoint.")); |
| }; |
| |
| PropertySlot constructorSlot(prototype, PropertySlot::InternalMethodType::VMInquiry, &vm); |
| prototype->getOwnPropertySlot(prototype, this, vm.propertyNames->constructor, constructorSlot); |
| scope.assertNoException(); |
| if (constructorSlot.slotBase() != prototype |
| || !constructorSlot.isCacheableValue() |
| || constructorSlot.getValue(this, vm.propertyNames->constructor) != constructor) { |
| invalidateWatchpoint(); |
| return; |
| } |
| |
| Structure* constructorStructure = constructor->structure(vm); |
| if (constructorStructure->isDictionary()) |
| constructorStructure = constructorStructure->flattenDictionaryStructure(vm, constructor); |
| |
| PropertySlot speciesSlot(constructor, PropertySlot::InternalMethodType::VMInquiry, &vm); |
| constructor->getOwnPropertySlot(constructor, this, vm.propertyNames->speciesSymbol, speciesSlot); |
| scope.assertNoException(); |
| if (speciesSlot.slotBase() != constructor |
| || !speciesSlot.isCacheableGetter() |
| || speciesSlot.getterSetter() != speciesGetterSetter()) { |
| invalidateWatchpoint(); |
| return; |
| } |
| |
| // Now we need to setup the watchpoints to make sure these conditions remain valid. |
| prototypeStructure->startWatchingPropertyForReplacements(vm, constructorSlot.cachedOffset()); |
| constructorStructure->startWatchingPropertyForReplacements(vm, speciesSlot.cachedOffset()); |
| |
| ObjectPropertyCondition constructorCondition = ObjectPropertyCondition::equivalence(vm, prototype, prototype, vm.propertyNames->constructor.impl(), constructor); |
| ObjectPropertyCondition speciesCondition = ObjectPropertyCondition::equivalence(vm, prototype, constructor, vm.propertyNames->speciesSymbol.impl(), speciesGetterSetter()); |
| |
| if (!constructorCondition.isWatchable() || !speciesCondition.isWatchable()) { |
| invalidateWatchpoint(); |
| return; |
| } |
| |
| // We only watch this from the DFG, and the DFG makes sure to only start watching if the watchpoint is in the IsWatched state. |
| RELEASE_ASSERT(!speciesWatchpointSet.isBeingWatched()); |
| speciesWatchpointSet.touch(vm, "Set up species watchpoint."); |
| |
| constructorWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, constructorCondition, speciesWatchpointSet); |
| constructorWatchpoint->install(vm); |
| |
| speciesWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, speciesCondition, speciesWatchpointSet); |
| speciesWatchpoint->install(vm); |
| } |
| |
| void JSGlobalObject::tryInstallArraySpeciesWatchpoint() |
| { |
| RELEASE_ASSERT(!m_arrayPrototypeConstructorWatchpoint); |
| RELEASE_ASSERT(!m_arrayConstructorSpeciesWatchpoint); |
| |
| tryInstallSpeciesWatchpoint(arrayPrototype(), arrayConstructor(), m_arrayPrototypeConstructorWatchpoint, m_arrayConstructorSpeciesWatchpoint, m_arraySpeciesWatchpointSet); |
| } |
| |
| void JSGlobalObject::tryInstallArrayBufferSpeciesWatchpoint(ArrayBufferSharingMode sharingMode) |
| { |
| static_assert(static_cast<unsigned>(ArrayBufferSharingMode::Default) == 0); |
| static_assert(static_cast<unsigned>(ArrayBufferSharingMode::Shared) == 1); |
| unsigned index = static_cast<unsigned>(sharingMode); |
| tryInstallSpeciesWatchpoint(arrayBufferPrototype(sharingMode), arrayBufferConstructor(sharingMode), m_arrayBufferPrototypeConstructorWatchpoints[index], m_arrayBufferConstructorSpeciesWatchpoints[index], arrayBufferSpeciesWatchpointSet(sharingMode)); |
| } |
| |
| void JSGlobalObject::installNumberPrototypeWatchpoint(NumberPrototype* numberPrototype) |
| { |
| VM& vm = this->vm(); |
| ASSERT(m_numberToStringWatchpointSet.isStillValid()); |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, numberPrototype, vm.propertyNames->toString); |
| m_numberPrototypeToStringWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_numberToStringWatchpointSet); |
| m_numberPrototypeToStringWatchpoint->install(vm); |
| } |
| |
| void JSGlobalObject::installMapPrototypeWatchpoint(MapPrototype* mapPrototype) |
| { |
| VM& vm = this->vm(); |
| if (m_mapIteratorProtocolWatchpointSet.isStillValid()) { |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, mapPrototype, vm.propertyNames->iteratorSymbol); |
| m_mapPrototypeSymbolIteratorWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_mapIteratorProtocolWatchpointSet); |
| m_mapPrototypeSymbolIteratorWatchpoint->install(vm); |
| } |
| ASSERT(m_mapSetWatchpointSet.isStillValid()); |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, mapPrototype, vm.propertyNames->set); |
| m_mapPrototypeSetWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_mapSetWatchpointSet); |
| m_mapPrototypeSetWatchpoint->install(vm); |
| } |
| |
| void JSGlobalObject::installSetPrototypeWatchpoint(SetPrototype* setPrototype) |
| { |
| VM& vm = this->vm(); |
| if (m_setIteratorProtocolWatchpointSet.isStillValid()) { |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, setPrototype, vm.propertyNames->iteratorSymbol); |
| m_setPrototypeSymbolIteratorWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_setIteratorProtocolWatchpointSet); |
| m_setPrototypeSymbolIteratorWatchpoint->install(vm); |
| } |
| ASSERT(m_setAddWatchpointSet.isStillValid()); |
| ObjectPropertyCondition condition = setupAdaptiveWatchpoint(this, setPrototype, vm.propertyNames->add); |
| m_setPrototypeAddWatchpoint = makeUnique<ObjectPropertyChangeAdaptiveWatchpoint<InlineWatchpointSet>>(this, condition, m_setAddWatchpointSet); |
| m_setPrototypeAddWatchpoint->install(vm); |
| } |
| |
| void slowValidateCell(JSGlobalObject* globalObject) |
| { |
| RELEASE_ASSERT(globalObject->isGlobalObject()); |
| ASSERT_GC_OBJECT_INHERITS(globalObject, JSGlobalObject::info()); |
| } |
| |
| void JSGlobalObject::setRemoteDebuggingEnabled(bool enabled) |
| { |
| #if ENABLE(REMOTE_INSPECTOR) |
| m_inspectorDebuggable->setRemoteDebuggingAllowed(enabled); |
| #else |
| UNUSED_PARAM(enabled); |
| #endif |
| } |
| |
| bool JSGlobalObject::remoteDebuggingEnabled() const |
| { |
| #if ENABLE(REMOTE_INSPECTOR) |
| return m_inspectorDebuggable->remoteDebuggingAllowed(); |
| #else |
| return false; |
| #endif |
| } |
| |
| void JSGlobalObject::setIsITML() |
| { |
| #if ENABLE(REMOTE_INSPECTOR) |
| m_inspectorDebuggable->setIsITML(); |
| #endif |
| } |
| |
| void JSGlobalObject::setName(const String& name) |
| { |
| m_name = name; |
| |
| #if ENABLE(REMOTE_INSPECTOR) |
| m_inspectorDebuggable->update(); |
| #endif |
| } |
| |
| void JSGlobalObject::bumpGlobalLexicalBindingEpoch(VM& vm) |
| { |
| if (++m_globalLexicalBindingEpoch == Options::thresholdForGlobalLexicalBindingEpoch()) { |
| // Since the epoch overflows, we should rewrite all the CodeBlock to adjust to the newly started generation. |
| m_globalLexicalBindingEpoch = 1; |
| vm.heap.codeBlockSet().iterate([&] (CodeBlock* codeBlock) { |
| if (codeBlock->globalObject() != this) |
| return; |
| codeBlock->notifyLexicalBindingUpdate(); |
| }); |
| } |
| } |
| |
| void JSGlobalObject::queueMicrotask(Ref<Microtask>&& task) |
| { |
| if (globalObjectMethodTable()->queueTaskToEventLoop) { |
| globalObjectMethodTable()->queueTaskToEventLoop(*this, WTFMove(task)); |
| return; |
| } |
| |
| vm().queueMicrotask(*this, WTFMove(task)); |
| } |
| |
| void JSGlobalObject::reportUncaughtExceptionAtEventLoop(JSGlobalObject*, Exception* exception) |
| { |
| dataLogLn("Uncaught Exception at run loop: ", exception->value()); |
| } |
| |
| void JSGlobalObject::setConsoleClient(WeakPtr<ConsoleClient>&& consoleClient) |
| { |
| m_consoleClient = WTFMove(consoleClient); |
| } |
| |
| void JSGlobalObject::setDebugger(Debugger* debugger) |
| { |
| m_debugger = debugger; |
| if (debugger) |
| vm().ensureShadowChicken(); |
| } |
| |
| bool JSGlobalObject::hasDebugger() const |
| { |
| return m_debugger; |
| } |
| |
| bool JSGlobalObject::hasInteractiveDebugger() const |
| { |
| return m_debugger && m_debugger->isInteractivelyDebugging(); |
| } |
| |
| #if ENABLE(DFG_JIT) |
| WatchpointSet* JSGlobalObject::getReferencedPropertyWatchpointSet(UniquedStringImpl* uid) |
| { |
| ConcurrentJSLocker locker(m_referencedGlobalPropertyWatchpointSetsLock); |
| return m_referencedGlobalPropertyWatchpointSets.get(uid); |
| } |
| |
| WatchpointSet& JSGlobalObject::ensureReferencedPropertyWatchpointSet(UniquedStringImpl* uid) |
| { |
| ConcurrentJSLocker locker(m_referencedGlobalPropertyWatchpointSetsLock); |
| return m_referencedGlobalPropertyWatchpointSets.ensure(uid, [] { |
| return WatchpointSet::create(IsWatched); |
| }).iterator->value.get(); |
| } |
| #endif |
| |
| JSGlobalObject* JSGlobalObject::create(VM& vm, Structure* structure) |
| { |
| JSGlobalObject* globalObject = new (NotNull, allocateCell<JSGlobalObject>(vm.heap)) JSGlobalObject(vm, structure); |
| globalObject->finishCreation(vm); |
| return globalObject; |
| } |
| |
| void JSGlobalObject::finishCreation(VM& vm) |
| { |
| DeferTermination deferTermination(vm); |
| Base::finishCreation(vm); |
| structure(vm)->setGlobalObject(vm, this); |
| m_runtimeFlags = m_globalObjectMethodTable->javaScriptRuntimeFlags(this); |
| init(vm); |
| setGlobalThis(vm, JSProxy::create(vm, JSProxy::createStructure(vm, this, getPrototypeDirect(vm)), this)); |
| ASSERT(type() == GlobalObjectType); |
| } |
| |
| void JSGlobalObject::finishCreation(VM& vm, JSObject* thisValue) |
| { |
| DeferTermination deferTermination(vm); |
| Base::finishCreation(vm); |
| structure(vm)->setGlobalObject(vm, this); |
| m_runtimeFlags = m_globalObjectMethodTable->javaScriptRuntimeFlags(this); |
| init(vm); |
| setGlobalThis(vm, thisValue); |
| ASSERT(type() == GlobalObjectType); |
| } |
| |
| #ifdef JSC_GLIB_API_ENABLED |
| void JSGlobalObject::setWrapperMap(std::unique_ptr<WrapperMap>&& map) |
| { |
| m_wrapperMap = WTFMove(map); |
| } |
| #endif |
| |
| } // namespace JSC |
