C++ ExecState::propertyNames方法代码示例

bool JSCustomSQLStatementErrorCallback::handleEvent(SQLTransaction* transaction, SQLError* error)
{
    ASSERT(m_callback);
    ASSERT(m_frame);
        
    if (!m_frame->script()->isEnabled())
        return true;
        
    JSGlobalObject* globalObject = m_frame->script()->globalObject();
    ExecState* exec = globalObject->globalExec();
        
    KJS::JSLock lock;
        
    JSValue* handleEventFunction = m_callback->get(exec, Identifier(exec, "handleEvent"));
    CallData handleEventCallData;
    CallType handleEventCallType = handleEventFunction->getCallData(handleEventCallData);
    CallData callbackCallData;
    CallType callbackCallType = CallTypeNone;

    if (handleEventCallType == CallTypeNone) {
        callbackCallType = m_callback->getCallData(callbackCallData);
        if (callbackCallType == CallTypeNone) {
            // FIXME: Should an exception be thrown here?
            return true;
        }
    }
        
    RefPtr<JSCustomSQLStatementErrorCallback> protect(this);
        
    ArgList args;
    args.append(toJS(exec, transaction));
    args.append(toJS(exec, error));
        
    JSValue* result;
    globalObject->startTimeoutCheck();
    if (handleEventCallType != CallTypeNone)
        result = call(exec, handleEventFunction, handleEventCallType, handleEventCallData, m_callback, args);
    else
        result = call(exec, m_callback, callbackCallType, callbackCallData, m_callback, args);
    globalObject->stopTimeoutCheck();
        
    if (exec->hadException()) {
        JSObject* exception = exec->exception()->toObject(exec);
        String message = exception->get(exec, exec->propertyNames().message)->toString(exec);
        int lineNumber = exception->get(exec, Identifier(exec, "line"))->toInt32(exec);
        String sourceURL = exception->get(exec, Identifier(exec, "sourceURL"))->toString(exec);
        m_frame->domWindow()->console()->addMessage(JSMessageSource, ErrorMessageLevel, message, lineNumber, sourceURL);
        exec->clearException();
            
        // The spec says:
        // "If the error callback returns false, then move on to the next statement..."
        // "Otherwise, the error callback did not return false, or there was no error callback"
        // Therefore an exception and returning true are the same thing - so, return true on an exception
        return true;
    }
        
    Document::updateDocumentsRendering();

    return result->toBoolean(exec);
}

JSObjectRef JSObjectMakeConstructor(JSContextRef ctx, JSClassRef jsClass, JSObjectCallAsConstructorCallback callAsConstructor)
{
    ExecState* exec = toJS(ctx);
    APIEntryShim entryShim(exec);

    JSValue jsPrototype = jsClass ? jsClass->prototype(exec) : 0;
    if (!jsPrototype)
        jsPrototype = exec->lexicalGlobalObject()->objectPrototype();

    JSCallbackConstructor* constructor = JSCallbackConstructor::create(exec, exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackConstructorStructure(), jsClass, callAsConstructor);
    constructor->putDirect(exec->globalData(), exec->propertyNames().prototype, jsPrototype, DontEnum | DontDelete | ReadOnly);
    return toRef(constructor);
}

JSObjectRef JSObjectMakeConstructor(JSContextRef ctx, JSClassRef jsClass, JSObjectCallAsConstructorCallback callAsConstructor)
{
    JSLock lock;
    ExecState* exec = toJS(ctx);
    
    JSValue* jsPrototype = jsClass 
        ? jsClass->prototype(ctx)
        : exec->dynamicGlobalObject()->objectPrototype();
    
    JSCallbackConstructor* constructor = new (exec) JSCallbackConstructor(exec, jsClass, callAsConstructor);
    constructor->putDirect(exec->propertyNames().prototype, jsPrototype, DontEnum | DontDelete | ReadOnly);
    return toRef(constructor);
}

JSObjectRef JSObjectMakeConstructor(JSContextRef ctx, JSClassRef jsClass, JSObjectCallAsConstructorCallback callAsConstructor)
{
    ExecState* exec = toJS(ctx);
    exec->globalData().heap.registerThread();
    JSLock lock(exec);

    JSValuePtr jsPrototype = jsClass 
        ? jsClass->prototype(exec)
        : exec->lexicalGlobalObject()->objectPrototype();
    
    JSCallbackConstructor* constructor = new (exec) JSCallbackConstructor(exec->lexicalGlobalObject()->callbackConstructorStructure(), jsClass, callAsConstructor);
    constructor->putDirect(exec->propertyNames().prototype, jsPrototype, DontEnum | DontDelete | ReadOnly);
    return toRef(constructor);
}

JSObjectRef JSObjectMakeConstructor(JSContextRef ctx, JSClassRef jsClass, JSObjectCallAsConstructorCallback callAsConstructor)
{
    if (!ctx) {
        ASSERT_NOT_REACHED();
        return 0;
    }
    ExecState* exec = toJS(ctx);
    JSLockHolder locker(exec);

    JSValue jsPrototype = jsClass ? jsClass->prototype(exec) : 0;
    if (!jsPrototype)
        jsPrototype = exec->lexicalGlobalObject()->objectPrototype();

    JSCallbackConstructor* constructor = JSCallbackConstructor::create(exec, exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackConstructorStructure(), jsClass, callAsConstructor);
    constructor->putDirect(exec->vm(), exec->propertyNames().prototype, jsPrototype, DontEnum | DontDelete | ReadOnly);
    return toRef(constructor);
}

bool JSValueIsInstanceOfConstructor(JSContextRef ctx, JSValueRef value, JSObjectRef constructor, JSValueRef* exception)
{
    ExecState* exec = toJS(ctx);
    exec->globalData().heap.registerThread();
    JSLock lock(exec);

    JSValuePtr jsValue = toJS(value);
    JSObject* jsConstructor = toJS(constructor);
    if (!jsConstructor->structure()->typeInfo().implementsHasInstance())
        return false;
    bool result = jsConstructor->hasInstance(exec, jsValue, jsConstructor->get(exec, exec->propertyNames().prototype)); // false if an exception is thrown
    if (exec->hadException()) {
        if (exception)
            *exception = toRef(exec->exception());
        exec->clearException();
    }
    return result;
}

void JSCustomVoidCallback::handleEvent()
{
    ASSERT(m_callback);
    ASSERT(m_frame);
       
    if (!m_frame->script()->isEnabled())
        return;
        
    JSGlobalObject* globalObject = m_frame->script()->globalObject();
    ExecState* exec = globalObject->globalExec();
        
    KJS::JSLock lock;
        
    JSValue* function = m_callback->get(exec, Identifier(exec, "handleEvent"));
    CallData callData;
    CallType callType = function->getCallData(callData);
    if (callType == CallTypeNone) {
        callType = m_callback->getCallData(callData);
        if (callType == CallTypeNone) {
            // FIXME: Should an exception be thrown here?
            return;
        }
        function = m_callback;
    }
        
    RefPtr<JSCustomVoidCallback> protect(this);
        
    ArgList args;
    
    globalObject->startTimeoutCheck();
    call(exec, function, callType, callData, m_callback, args);
    globalObject->stopTimeoutCheck();
        
    if (exec->hadException()) {
        JSObject* exception = exec->exception()->toObject(exec);
        String message = exception->get(exec, exec->propertyNames().message)->toString(exec);
        int lineNumber = exception->get(exec, Identifier(exec, "line"))->toInt32(exec);
        String sourceURL = exception->get(exec, Identifier(exec, "sourceURL"))->toString(exec);
        m_frame->domWindow()->console()->addMessage(JSMessageSource, ErrorMessageLevel, message, lineNumber, sourceURL);
        exec->clearException();            
    }
        
    Document::updateDocumentsRendering();
}

void JSGlobalObject::reset(JSValue prototype)
{
    ExecState* exec = JSGlobalObject::globalExec();

    m_functionPrototype.set(exec->vm(), this, FunctionPrototype::create(exec, this, FunctionPrototype::createStructure(exec->vm(), this, jsNull()))); // The real prototype will be set once ObjectPrototype is created.
    m_functionStructure.set(exec->vm(), this, JSFunction::createStructure(exec->vm(), this, m_functionPrototype.get()));
    m_boundFunctionStructure.set(exec->vm(), this, JSBoundFunction::createStructure(exec->vm(), this, m_functionPrototype.get()));
    m_namedFunctionStructure.set(exec->vm(), this, Structure::addPropertyTransition(exec->vm(), m_functionStructure.get(), exec->vm().propertyNames->name, DontDelete | ReadOnly | DontEnum, 0, m_functionNameOffset));
    m_internalFunctionStructure.set(exec->vm(), this, InternalFunction::createStructure(exec->vm(), this, m_functionPrototype.get()));
    JSFunction* callFunction = 0;
    JSFunction* applyFunction = 0;
    m_functionPrototype->addFunctionProperties(exec, this, &callFunction, &applyFunction);
    m_callFunction.set(exec->vm(), this, callFunction);
    m_applyFunction.set(exec->vm(), this, applyFunction);
    m_objectPrototype.set(exec->vm(), this, ObjectPrototype::create(exec, this, ObjectPrototype::createStructure(exec->vm(), this, jsNull())));
    GetterSetter* protoAccessor = GetterSetter::create(exec);
    protoAccessor->setGetter(exec->vm(), JSFunction::create(exec, this, 0, String(), globalFuncProtoGetter));
    protoAccessor->setSetter(exec->vm(), JSFunction::create(exec, this, 0, String(), globalFuncProtoSetter));
    m_objectPrototype->putDirectAccessor(exec, exec->propertyNames().underscoreProto, protoAccessor, Accessor | DontEnum);
    m_functionPrototype->structure()->setPrototypeWithoutTransition(exec->vm(), m_objectPrototype.get());

    m_nameScopeStructure.set(exec->vm(), this, JSNameScope::createStructure(exec->vm(), this, jsNull()));
    m_activationStructure.set(exec->vm(), this, JSActivation::createStructure(exec->vm(), this, jsNull()));
    m_strictEvalActivationStructure.set(exec->vm(), this, StrictEvalActivation::createStructure(exec->vm(), this, jsNull()));
    m_withScopeStructure.set(exec->vm(), this, JSWithScope::createStructure(exec->vm(), this, jsNull()));

    m_nullPrototypeObjectStructure.set(exec->vm(), this, JSFinalObject::createStructure(vm(), this, jsNull(), JSFinalObject::defaultInlineCapacity()));

    m_callbackFunctionStructure.set(exec->vm(), this, JSCallbackFunction::createStructure(exec->vm(), this, m_functionPrototype.get()));
    m_argumentsStructure.set(exec->vm(), this, Arguments::createStructure(exec->vm(), this, m_objectPrototype.get()));
    m_callbackConstructorStructure.set(exec->vm(), this, JSCallbackConstructor::createStructure(exec->vm(), this, m_objectPrototype.get()));
    m_callbackObjectStructure.set(exec->vm(), this, JSCallbackObject<JSDestructibleObject>::createStructure(exec->vm(), this, m_objectPrototype.get()));
#if JSC_OBJC_API_ENABLED
    m_objcCallbackFunctionStructure.set(exec->vm(), this, ObjCCallbackFunction::createStructure(exec->vm(), this, m_functionPrototype.get()));
    m_objcWrapperObjectStructure.set(exec->vm(), this, JSCallbackObject<JSAPIWrapperObject>::createStructure(exec->vm(), this, m_objectPrototype.get()));
#endif

    m_arrayPrototype.set(exec->vm(), this, ArrayPrototype::create(exec, this, ArrayPrototype::createStructure(exec->vm(), this, m_objectPrototype.get())));
    
    m_originalArrayStructureForIndexingShape[UndecidedShape >> IndexingShapeShift].set(exec->vm(), this, JSArray::createStructure(exec->vm(), this, m_arrayPrototype.get(), ArrayWithUndecided));
    m_originalArrayStructureForIndexingShape[Int32Shape >> IndexingShapeShift].set(exec->vm(), this, JSArray::createStructure(exec->vm(), this, m_arrayPrototype.get(), ArrayWithInt32));
    m_originalArrayStructureForIndexingShape[DoubleShape >> IndexingShapeShift].set(exec->vm(), this, JSArray::createStructure(exec->vm(), this, m_arrayPrototype.get(), ArrayWithDouble));
    m_originalArrayStructureForIndexingShape[ContiguousShape >> IndexingShapeShift].set(exec->vm(), this, JSArray::createStructure(exec->vm(), this, m_arrayPrototype.get(), ArrayWithContiguous));
    m_originalArrayStructureForIndexingShape[ArrayStorageShape >> IndexingShapeShift].set(exec->vm(), this, JSArray::createStructure(exec->vm(), this, m_arrayPrototype.get(), ArrayWithArrayStorage));
    m_originalArrayStructureForIndexingShape[SlowPutArrayStorageShape >> IndexingShapeShift].set(exec->vm(), this, JSArray::createStructure(exec->vm(), this, m_arrayPrototype.get(), ArrayWithSlowPutArrayStorage));
    for (unsigned i = 0; i < NumberOfIndexingShapes; ++i)
        m_arrayStructureForIndexingShapeDuringAllocation[i] = m_originalArrayStructureForIndexingShape[i];
    
    m_regExpMatchesArrayStructure.set(exec->vm(), this, RegExpMatchesArray::createStructure(exec->vm(), this, m_arrayPrototype.get()));

    m_stringPrototype.set(exec->vm(), this, StringPrototype::create(exec, this, StringPrototype::createStructure(exec->vm(), this, m_objectPrototype.get())));
    m_stringObjectStructure.set(exec->vm(), this, StringObject::createStructure(exec->vm(), this, m_stringPrototype.get()));

    m_booleanPrototype.set(exec->vm(), this, BooleanPrototype::create(exec, this, BooleanPrototype::createStructure(exec->vm(), this, m_objectPrototype.get())));
    m_booleanObjectStructure.set(exec->vm(), this, BooleanObject::createStructure(exec->vm(), this, m_booleanPrototype.get()));

    m_numberPrototype.set(exec->vm(), this, NumberPrototype::create(exec, this, NumberPrototype::createStructure(exec->vm(), this, m_objectPrototype.get())));
    m_numberObjectStructure.set(exec->vm(), this, NumberObject::createStructure(exec->vm(), this, m_numberPrototype.get()));

    m_datePrototype.set(exec->vm(), this, DatePrototype::create(exec, this, DatePrototype::createStructure(exec->vm(), this, m_objectPrototype.get())));
    m_dateStructure.set(exec->vm(), this, DateInstance::createStructure(exec->vm(), this, m_datePrototype.get()));

    RegExp* emptyRegex = RegExp::create(exec->vm(), "", NoFlags);
    
    m_regExpPrototype.set(exec->vm(), this, RegExpPrototype::create(exec, this, RegExpPrototype::createStructure(exec->vm(), this, m_objectPrototype.get()), emptyRegex));
    m_regExpStructure.set(exec->vm(), this, RegExpObject::createStructure(exec->vm(), this, m_regExpPrototype.get()));

    m_errorPrototype.set(exec->vm(), this, ErrorPrototype::create(exec, this, ErrorPrototype::createStructure(exec->vm(), this, m_objectPrototype.get())));
    m_errorStructure.set(exec->vm(), this, ErrorInstance::createStructure(exec->vm(), this, m_errorPrototype.get()));

    // Constructors

    JSCell* objectConstructor = ObjectConstructor::create(exec, this, ObjectConstructor::createStructure(exec->vm(), this, m_functionPrototype.get()), m_objectPrototype.get());
    JSCell* functionConstructor = FunctionConstructor::create(exec, this, FunctionConstructor::createStructure(exec->vm(), this, m_functionPrototype.get()), m_functionPrototype.get());
    JSCell* arrayConstructor = ArrayConstructor::create(exec, this, ArrayConstructor::createStructure(exec->vm(), this, m_functionPrototype.get()), m_arrayPrototype.get());
    JSCell* stringConstructor = StringConstructor::create(exec, this, StringConstructor::createStructure(exec->vm(), this, m_functionPrototype.get()), m_stringPrototype.get());
    JSCell* booleanConstructor = BooleanConstructor::create(exec, this, BooleanConstructor::createStructure(exec->vm(), this, m_functionPrototype.get()), m_booleanPrototype.get());
    JSCell* numberConstructor = NumberConstructor::create(exec, this, NumberConstructor::createStructure(exec->vm(), this, m_functionPrototype.get()), m_numberPrototype.get());
    JSCell* dateConstructor = DateConstructor::create(exec, this, DateConstructor::createStructure(exec->vm(), this, m_functionPrototype.get()), m_datePrototype.get());

    m_regExpConstructor.set(exec->vm(), this, RegExpConstructor::create(exec, this, RegExpConstructor::createStructure(exec->vm(), this, m_functionPrototype.get()), m_regExpPrototype.get()));

    m_errorConstructor.set(exec->vm(), this, ErrorConstructor::create(exec, this, ErrorConstructor::createStructure(exec->vm(), this, m_functionPrototype.get()), m_errorPrototype.get()));

    Structure* nativeErrorPrototypeStructure = NativeErrorPrototype::createStructure(exec->vm(), this, m_errorPrototype.get());
    Structure* nativeErrorStructure = NativeErrorConstructor::createStructure(exec->vm(), this, m_functionPrototype.get());
    m_evalErrorConstructor.set(exec->vm(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("EvalError")));
    m_rangeErrorConstructor.set(exec->vm(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("RangeError")));
    m_referenceErrorConstructor.set(exec->vm(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("ReferenceError")));
    m_syntaxErrorConstructor.set(exec->vm(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("SyntaxError")));
    m_typeErrorConstructor.set(exec->vm(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("TypeError")));
    m_URIErrorConstructor.set(exec->vm(), this, NativeErrorConstructor::create(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, ASCIILiteral("URIError")));

    m_objectPrototype->putDirectWithoutTransition(exec->vm(), exec->propertyNames().constructor, objectConstructor, DontEnum);
    m_functionPrototype->putDirectWithoutTransition(exec->vm(), exec->propertyNames().constructor, functionConstructor, DontEnum);
    m_arrayPrototype->putDirectWithoutTransition(exec->vm(), exec->propertyNames().constructor, arrayConstructor, DontEnum);
    m_booleanPrototype->putDirectWithoutTransition(exec->vm(), exec->propertyNames().constructor, booleanConstructor, DontEnum);
    m_stringPrototype->putDirectWithoutTransition(exec->vm(), exec->propertyNames().constructor, stringConstructor, DontEnum);
    m_numberPrototype->putDirectWithoutTransition(exec->vm(), exec->propertyNames().constructor, numberConstructor, DontEnum);
    m_datePrototype->putDirectWithoutTransition(exec->vm(), exec->propertyNames().constructor, dateConstructor, DontEnum);
//.........这里部分代码省略.........

void JSGlobalObject::reset(JSValue prototype)
{
    ExecState* exec = JSGlobalObject::globalExec();

    // Prototypes

    d()->functionPrototype = new (exec) FunctionPrototype(exec, FunctionPrototype::createStructure(jsNull())); // The real prototype will be set once ObjectPrototype is created.
    d()->prototypeFunctionStructure = PrototypeFunction::createStructure(d()->functionPrototype);
    NativeFunctionWrapper* callFunction = 0;
    NativeFunctionWrapper* applyFunction = 0;
    d()->functionPrototype->addFunctionProperties(exec, d()->prototypeFunctionStructure.get(), &callFunction, &applyFunction);
    d()->callFunction = callFunction;
    d()->applyFunction = applyFunction;
    d()->objectPrototype = new (exec) ObjectPrototype(exec, ObjectPrototype::createStructure(jsNull()), d()->prototypeFunctionStructure.get());
    d()->functionPrototype->structure()->setPrototypeWithoutTransition(d()->objectPrototype);

    d()->emptyObjectStructure = d()->objectPrototype->inheritorID();

    d()->functionStructure = JSFunction::createStructure(d()->functionPrototype);
    d()->callbackFunctionStructure = JSCallbackFunction::createStructure(d()->functionPrototype);
    d()->argumentsStructure = Arguments::createStructure(d()->objectPrototype);
    d()->callbackConstructorStructure = JSCallbackConstructor::createStructure(d()->objectPrototype);
    d()->callbackObjectStructure = JSCallbackObject<JSObject>::createStructure(d()->objectPrototype);

    d()->arrayPrototype = new (exec) ArrayPrototype(ArrayPrototype::createStructure(d()->objectPrototype));
    d()->arrayStructure = JSArray::createStructure(d()->arrayPrototype);
    d()->regExpMatchesArrayStructure = RegExpMatchesArray::createStructure(d()->arrayPrototype);

    d()->stringPrototype = new (exec) StringPrototype(exec, StringPrototype::createStructure(d()->objectPrototype));
    d()->stringObjectStructure = StringObject::createStructure(d()->stringPrototype);

    d()->booleanPrototype = new (exec) BooleanPrototype(exec, BooleanPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get());
    d()->booleanObjectStructure = BooleanObject::createStructure(d()->booleanPrototype);

    d()->numberPrototype = new (exec) NumberPrototype(exec, NumberPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get());
    d()->numberObjectStructure = NumberObject::createStructure(d()->numberPrototype);

    d()->datePrototype = new (exec) DatePrototype(exec, DatePrototype::createStructure(d()->objectPrototype));
    d()->dateStructure = DateInstance::createStructure(d()->datePrototype);

    d()->regExpPrototype = new (exec) RegExpPrototype(exec, RegExpPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get());
    d()->regExpStructure = RegExpObject::createStructure(d()->regExpPrototype);

    ErrorPrototype* errorPrototype = new (exec) ErrorPrototype(exec, ErrorPrototype::createStructure(d()->objectPrototype), d()->prototypeFunctionStructure.get());
    d()->errorStructure = ErrorInstance::createStructure(errorPrototype);

    RefPtr<Structure> nativeErrorPrototypeStructure = NativeErrorPrototype::createStructure(errorPrototype);

    NativeErrorPrototype* evalErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "EvalError", "EvalError");
    NativeErrorPrototype* rangeErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "RangeError", "RangeError");
    NativeErrorPrototype* referenceErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "ReferenceError", "ReferenceError");
    NativeErrorPrototype* syntaxErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "SyntaxError", "SyntaxError");
    NativeErrorPrototype* typeErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "TypeError", "TypeError");
    NativeErrorPrototype* URIErrorPrototype = new (exec) NativeErrorPrototype(exec, nativeErrorPrototypeStructure, "URIError", "URIError");

    // Constructors

    JSValue objectConstructor = new (exec) ObjectConstructor(exec, ObjectConstructor::createStructure(d()->functionPrototype), d()->objectPrototype);
    JSValue functionConstructor = new (exec) FunctionConstructor(exec, FunctionConstructor::createStructure(d()->functionPrototype), d()->functionPrototype);
    JSValue arrayConstructor = new (exec) ArrayConstructor(exec, ArrayConstructor::createStructure(d()->functionPrototype), d()->arrayPrototype);
    JSValue stringConstructor = new (exec) StringConstructor(exec, StringConstructor::createStructure(d()->functionPrototype), d()->prototypeFunctionStructure.get(), d()->stringPrototype);
    JSValue booleanConstructor = new (exec) BooleanConstructor(exec, BooleanConstructor::createStructure(d()->functionPrototype), d()->booleanPrototype);
    JSValue numberConstructor = new (exec) NumberConstructor(exec, NumberConstructor::createStructure(d()->functionPrototype), d()->numberPrototype);
    JSValue dateConstructor = new (exec) DateConstructor(exec, DateConstructor::createStructure(d()->functionPrototype), d()->prototypeFunctionStructure.get(), d()->datePrototype);

    d()->regExpConstructor = new (exec) RegExpConstructor(exec, RegExpConstructor::createStructure(d()->functionPrototype), d()->regExpPrototype);

    d()->errorConstructor = new (exec) ErrorConstructor(exec, ErrorConstructor::createStructure(d()->functionPrototype), errorPrototype);

    RefPtr<Structure> nativeErrorStructure = NativeErrorConstructor::createStructure(d()->functionPrototype);

    d()->evalErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, evalErrorPrototype);
    d()->rangeErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, rangeErrorPrototype);
    d()->referenceErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, referenceErrorPrototype);
    d()->syntaxErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, syntaxErrorPrototype);
    d()->typeErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, typeErrorPrototype);
    d()->URIErrorConstructor = new (exec) NativeErrorConstructor(exec, nativeErrorStructure, URIErrorPrototype);

    d()->objectPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, objectConstructor, DontEnum);
    d()->functionPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, functionConstructor, DontEnum);
    d()->arrayPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, arrayConstructor, DontEnum);
    d()->booleanPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, booleanConstructor, DontEnum);
    d()->stringPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, stringConstructor, DontEnum);
    d()->numberPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, numberConstructor, DontEnum);
    d()->datePrototype->putDirectWithoutTransition(exec->propertyNames().constructor, dateConstructor, DontEnum);
    d()->regExpPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, d()->regExpConstructor, DontEnum);
    errorPrototype->putDirectWithoutTransition(exec->propertyNames().constructor, d()->errorConstructor, DontEnum);

    evalErrorPrototype->putDirect(exec->propertyNames().constructor, d()->evalErrorConstructor, DontEnum);
    rangeErrorPrototype->putDirect(exec->propertyNames().constructor, d()->rangeErrorConstructor, DontEnum);
    referenceErrorPrototype->putDirect(exec->propertyNames().constructor, d()->referenceErrorConstructor, DontEnum);
    syntaxErrorPrototype->putDirect(exec->propertyNames().constructor, d()->syntaxErrorConstructor, DontEnum);
    typeErrorPrototype->putDirect(exec->propertyNames().constructor, d()->typeErrorConstructor, DontEnum);
    URIErrorPrototype->putDirect(exec->propertyNames().constructor, d()->URIErrorConstructor, DontEnum);

    // Set global constructors

    // FIXME: These properties could be handled by a static hash table.

    putDirectWithoutTransition(Identifier(exec, "Object"), objectConstructor, DontEnum);
//.........这里部分代码省略.........

static void addCrossOriginWindowPropertyNames(ExecState& state, PropertyNameArray& propertyNames)
{
    // https://html.spec.whatwg.org/#crossoriginproperties-(-o-)
    static const Identifier* const properties[] = {
        &state.propertyNames().blur, &state.propertyNames().close, &state.propertyNames().closed,
        &state.propertyNames().focus, &state.propertyNames().frames, &state.propertyNames().length,
        &state.propertyNames().location, &state.propertyNames().opener, &state.propertyNames().parent,
        &state.propertyNames().postMessage, &state.propertyNames().self, &state.propertyNames().top,
        &state.propertyNames().window
    };
    for (auto* property : properties)
        propertyNames.add(*property);
}

bool JSValueIsInstanceOfConstructor(JSContextRef ctx, JSValueRef value, JSObjectRef constructor, JSValueRef* exception)
{
    ExecState* exec = toJS(ctx);
    APIEntryShim entryShim(exec);

    JSValue jsValue = toJS(exec, value);

    JSObject* jsConstructor = toJS(constructor);
    if (!jsConstructor->structure()->typeInfo().implementsHasInstance())
        return false;
    bool result = jsConstructor->methodTable()->hasInstance(jsConstructor, exec, jsValue, jsConstructor->get(exec, exec->propertyNames().prototype)); // false if an exception is thrown
    if (exec->hadException()) {
        if (exception)
            *exception = toRef(exec, exec->exception());
        exec->clearException();
    }
    return result;
}

void JSGlobalObject::reset(JSValue prototype)
{
    ExecState* exec = JSGlobalObject::globalExec();

    // Prototypes

    m_functionPrototype.set(exec->globalData(), this, new (exec) FunctionPrototype(exec, this, FunctionPrototype::createStructure(exec->globalData(), jsNull()))); // The real prototype will be set once ObjectPrototype is created.
    m_functionStructure.set(exec->globalData(), this, JSFunction::createStructure(exec->globalData(), m_functionPrototype.get()));
    m_internalFunctionStructure.set(exec->globalData(), this, InternalFunction::createStructure(exec->globalData(), m_functionPrototype.get()));
    JSFunction* callFunction = 0;
    JSFunction* applyFunction = 0;
    m_functionPrototype->addFunctionProperties(exec, this, m_functionStructure.get(), &callFunction, &applyFunction);
    m_callFunction.set(exec->globalData(), this, callFunction);
    m_applyFunction.set(exec->globalData(), this, applyFunction);
    m_objectPrototype.set(exec->globalData(), this, new (exec) ObjectPrototype(exec, this, ObjectPrototype::createStructure(exec->globalData(), jsNull()), m_functionStructure.get()));
    m_functionPrototype->structure()->setPrototypeWithoutTransition(exec->globalData(), m_objectPrototype.get());

    m_emptyObjectStructure.set(exec->globalData(), this, m_objectPrototype->inheritorID(exec->globalData()));
    m_nullPrototypeObjectStructure.set(exec->globalData(), this, createEmptyObjectStructure(exec->globalData(), jsNull()));

    m_callbackFunctionStructure.set(exec->globalData(), this, JSCallbackFunction::createStructure(exec->globalData(), m_functionPrototype.get()));
    m_argumentsStructure.set(exec->globalData(), this, Arguments::createStructure(exec->globalData(), m_objectPrototype.get()));
    m_callbackConstructorStructure.set(exec->globalData(), this, JSCallbackConstructor::createStructure(exec->globalData(), m_objectPrototype.get()));
    m_callbackObjectStructure.set(exec->globalData(), this, JSCallbackObject<JSObjectWithGlobalObject>::createStructure(exec->globalData(), m_objectPrototype.get()));

    m_arrayPrototype.set(exec->globalData(), this, new (exec) ArrayPrototype(this, ArrayPrototype::createStructure(exec->globalData(), m_objectPrototype.get())));
    m_arrayStructure.set(exec->globalData(), this, JSArray::createStructure(exec->globalData(), m_arrayPrototype.get()));
    m_regExpMatchesArrayStructure.set(exec->globalData(), this, RegExpMatchesArray::createStructure(exec->globalData(), m_arrayPrototype.get()));

    m_stringPrototype.set(exec->globalData(), this, new (exec) StringPrototype(exec, this, StringPrototype::createStructure(exec->globalData(), m_objectPrototype.get())));
    m_stringObjectStructure.set(exec->globalData(), this, StringObject::createStructure(exec->globalData(), m_stringPrototype.get()));

    m_booleanPrototype.set(exec->globalData(), this, new (exec) BooleanPrototype(exec, this, BooleanPrototype::createStructure(exec->globalData(), m_objectPrototype.get()), m_functionStructure.get()));
    m_booleanObjectStructure.set(exec->globalData(), this, BooleanObject::createStructure(exec->globalData(), m_booleanPrototype.get()));

    m_numberPrototype.set(exec->globalData(), this, new (exec) NumberPrototype(exec, this, NumberPrototype::createStructure(exec->globalData(), m_objectPrototype.get()), m_functionStructure.get()));
    m_numberObjectStructure.set(exec->globalData(), this, NumberObject::createStructure(exec->globalData(), m_numberPrototype.get()));

    m_datePrototype.set(exec->globalData(), this, new (exec) DatePrototype(exec, this, DatePrototype::createStructure(exec->globalData(), m_objectPrototype.get())));
    m_dateStructure.set(exec->globalData(), this, DateInstance::createStructure(exec->globalData(), m_datePrototype.get()));

    m_regExpPrototype.set(exec->globalData(), this, new (exec) RegExpPrototype(exec, this, RegExpPrototype::createStructure(exec->globalData(), m_objectPrototype.get()), m_functionStructure.get()));
    m_regExpStructure.set(exec->globalData(), this, RegExpObject::createStructure(exec->globalData(), m_regExpPrototype.get()));

    m_methodCallDummy.set(exec->globalData(), this, constructEmptyObject(exec));

    ErrorPrototype* errorPrototype = new (exec) ErrorPrototype(exec, this, ErrorPrototype::createStructure(exec->globalData(), m_objectPrototype.get()), m_functionStructure.get());
    m_errorStructure.set(exec->globalData(), this, ErrorInstance::createStructure(exec->globalData(), errorPrototype));

    // Constructors

    JSCell* objectConstructor = new (exec) ObjectConstructor(exec, this, ObjectConstructor::createStructure(exec->globalData(), m_functionPrototype.get()), m_objectPrototype.get());
    JSCell* functionConstructor = new (exec) FunctionConstructor(exec, this, FunctionConstructor::createStructure(exec->globalData(), m_functionPrototype.get()), m_functionPrototype.get());
    JSCell* arrayConstructor = new (exec) ArrayConstructor(exec, this, ArrayConstructor::createStructure(exec->globalData(), m_functionPrototype.get()), m_arrayPrototype.get(), m_functionStructure.get());
    JSCell* stringConstructor = new (exec) StringConstructor(exec, this, StringConstructor::createStructure(exec->globalData(), m_functionPrototype.get()), m_functionStructure.get(), m_stringPrototype.get());
    JSCell* booleanConstructor = new (exec) BooleanConstructor(exec, this, BooleanConstructor::createStructure(exec->globalData(), m_functionPrototype.get()), m_booleanPrototype.get());
    JSCell* numberConstructor = new (exec) NumberConstructor(exec, this, NumberConstructor::createStructure(exec->globalData(), m_functionPrototype.get()), m_numberPrototype.get());
    JSCell* dateConstructor = new (exec) DateConstructor(exec, this, DateConstructor::createStructure(exec->globalData(), m_functionPrototype.get()), m_functionStructure.get(), m_datePrototype.get());

    m_regExpConstructor.set(exec->globalData(), this, new (exec) RegExpConstructor(exec, this, RegExpConstructor::createStructure(exec->globalData(), m_functionPrototype.get()), m_regExpPrototype.get()));

    m_errorConstructor.set(exec->globalData(), this, new (exec) ErrorConstructor(exec, this, ErrorConstructor::createStructure(exec->globalData(), m_functionPrototype.get()), errorPrototype));

    Structure* nativeErrorPrototypeStructure = NativeErrorPrototype::createStructure(exec->globalData(), errorPrototype);
    Structure* nativeErrorStructure = NativeErrorConstructor::createStructure(exec->globalData(), m_functionPrototype.get());
    m_evalErrorConstructor.set(exec->globalData(), this, new (exec) NativeErrorConstructor(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "EvalError"));
    m_rangeErrorConstructor.set(exec->globalData(), this, new (exec) NativeErrorConstructor(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "RangeError"));
    m_referenceErrorConstructor.set(exec->globalData(), this, new (exec) NativeErrorConstructor(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "ReferenceError"));
    m_syntaxErrorConstructor.set(exec->globalData(), this, new (exec) NativeErrorConstructor(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "SyntaxError"));
    m_typeErrorConstructor.set(exec->globalData(), this, new (exec) NativeErrorConstructor(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "TypeError"));
    m_URIErrorConstructor.set(exec->globalData(), this, new (exec) NativeErrorConstructor(exec, this, nativeErrorStructure, nativeErrorPrototypeStructure, "URIError"));

    m_objectPrototype->putDirectFunctionWithoutTransition(exec->globalData(), exec->propertyNames().constructor, objectConstructor, DontEnum);
    m_functionPrototype->putDirectFunctionWithoutTransition(exec->globalData(), exec->propertyNames().constructor, functionConstructor, DontEnum);
    m_arrayPrototype->putDirectFunctionWithoutTransition(exec->globalData(), exec->propertyNames().constructor, arrayConstructor, DontEnum);
    m_booleanPrototype->putDirectFunctionWithoutTransition(exec->globalData(), exec->propertyNames().constructor, booleanConstructor, DontEnum);
    m_stringPrototype->putDirectFunctionWithoutTransition(exec->globalData(), exec->propertyNames().constructor, stringConstructor, DontEnum);
    m_numberPrototype->putDirectFunctionWithoutTransition(exec->globalData(), exec->propertyNames().constructor, numberConstructor, DontEnum);
    m_datePrototype->putDirectFunctionWithoutTransition(exec->globalData(), exec->propertyNames().constructor, dateConstructor, DontEnum);
    m_regExpPrototype->putDirectFunctionWithoutTransition(exec->globalData(), exec->propertyNames().constructor, m_regExpConstructor.get(), DontEnum);
    errorPrototype->putDirectFunctionWithoutTransition(exec->globalData(), exec->propertyNames().constructor, m_errorConstructor.get(), DontEnum);

    // Set global constructors

    // FIXME: These properties could be handled by a static hash table.

    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "Object"), objectConstructor, DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "Function"), functionConstructor, DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "Array"), arrayConstructor, DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "Boolean"), booleanConstructor, DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "String"), stringConstructor, DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "Number"), numberConstructor, DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "Date"), dateConstructor, DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "RegExp"), m_regExpConstructor.get(), DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "Error"), m_errorConstructor.get(), DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "EvalError"), m_evalErrorConstructor.get(), DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "RangeError"), m_rangeErrorConstructor.get(), DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "ReferenceError"), m_referenceErrorConstructor.get(), DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "SyntaxError"), m_syntaxErrorConstructor.get(), DontEnum);
    putDirectFunctionWithoutTransition(exec->globalData(), Identifier(exec, "TypeError"), m_typeErrorConstructor.get(), DontEnum);
//.........这里部分代码省略.........