X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/14957cd040308e3eeec43d26bae5d76da13fcd85..6fe7ccc865dc7d7541b93c5bcaf6368d2c98a174:/API/JSCallbackObjectFunctions.h?ds=sidebyside diff --git a/API/JSCallbackObjectFunctions.h b/API/JSCallbackObjectFunctions.h index cc8f3a8..b909dde 100644 --- a/API/JSCallbackObjectFunctions.h +++ b/API/JSCallbackObjectFunctions.h @@ -42,36 +42,49 @@ namespace JSC { -template -inline JSCallbackObject* JSCallbackObject::asCallbackObject(JSValue value) +template +inline JSCallbackObject* JSCallbackObject::asCallbackObject(JSValue value) { ASSERT(asObject(value)->inherits(&s_info)); - return static_cast(asObject(value)); + return jsCast(asObject(value)); } -template -JSCallbackObject::JSCallbackObject(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, JSClassRef jsClass, void* data) - : Base(globalObject, structure) +template +JSCallbackObject::JSCallbackObject(ExecState* exec, Structure* structure, JSClassRef jsClass, void* data) + : Parent(exec->globalData(), structure) , m_callbackObjectData(adoptPtr(new JSCallbackObjectData(data, jsClass))) { - ASSERT(Base::inherits(&s_info)); - init(exec); } // Global object constructor. // FIXME: Move this into a separate JSGlobalCallbackObject class derived from this one. -template -JSCallbackObject::JSCallbackObject(JSGlobalData& globalData, JSClassRef jsClass, Structure* structure) - : Base(globalData, structure) +template +JSCallbackObject::JSCallbackObject(JSGlobalData& globalData, JSClassRef jsClass, Structure* structure) + : Parent(globalData, structure) , m_callbackObjectData(adoptPtr(new JSCallbackObjectData(0, jsClass))) { - ASSERT(Base::inherits(&s_info)); - ASSERT(Base::isGlobalObject()); - init(static_cast(this)->globalExec()); } -template -void JSCallbackObject::init(ExecState* exec) +template +void JSCallbackObject::finishCreation(ExecState* exec) +{ + Base::finishCreation(exec->globalData()); + ASSERT(Parent::inherits(&s_info)); + init(exec); +} + +// This is just for Global object, so we can assume that Base::finishCreation is JSGlobalObject::finishCreation. +template +void JSCallbackObject::finishCreation(JSGlobalData& globalData) +{ + ASSERT(Parent::inherits(&s_info)); + ASSERT(Parent::isGlobalObject()); + Base::finishCreation(globalData); + init(jsCast(this)->globalExec()); +} + +template +void JSCallbackObject::init(ExecState* exec) { ASSERT(exec); @@ -89,42 +102,41 @@ void JSCallbackObject::init(ExecState* exec) initialize(toRef(exec), toRef(this)); } - bool needsFinalizer = false; - for (JSClassRef jsClassPtr = classRef(); jsClassPtr && !needsFinalizer; jsClassPtr = jsClassPtr->parentClass) - needsFinalizer = jsClassPtr->finalize; - if (needsFinalizer) { - HandleSlot slot = exec->globalData().allocateGlobalHandle(); - HandleHeap::heapFor(slot)->makeWeak(slot, m_callbackObjectData.get(), classRef()); - HandleHeap::heapFor(slot)->writeBarrier(slot, this); - *slot = this; + for (JSClassRef jsClassPtr = classRef(); jsClassPtr; jsClassPtr = jsClassPtr->parentClass) { + if (jsClassPtr->finalize) { + WeakSet::allocate(this, m_callbackObjectData.get(), classRef()); + break; + } } } -template -UString JSCallbackObject::className() const +template +UString JSCallbackObject::className(const JSObject* object) { - UString thisClassName = classRef()->className(); + const JSCallbackObject* thisObject = jsCast(object); + UString thisClassName = thisObject->classRef()->className(); if (!thisClassName.isEmpty()) return thisClassName; - return Base::className(); + return Parent::className(object); } -template -bool JSCallbackObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) +template +bool JSCallbackObject::getOwnPropertySlot(JSCell* cell, ExecState* exec, const Identifier& propertyName, PropertySlot& slot) { + JSCallbackObject* thisObject = jsCast(cell); JSContextRef ctx = toRef(exec); - JSObjectRef thisRef = toRef(this); + JSObjectRef thisRef = toRef(thisObject); RefPtr propertyNameRef; - for (JSClassRef jsClass = classRef(); jsClass; jsClass = jsClass->parentClass) { + for (JSClassRef jsClass = thisObject->classRef(); jsClass; jsClass = jsClass->parentClass) { // optional optimization to bypass getProperty in cases when we only need to know if the property exists if (JSObjectHasPropertyCallback hasProperty = jsClass->hasProperty) { if (!propertyNameRef) propertyNameRef = OpaqueJSString::create(propertyName.ustring()); APICallbackShim callbackShim(exec); if (hasProperty(ctx, thisRef, propertyNameRef.get())) { - slot.setCustom(this, callbackGetter); + slot.setCustom(thisObject, callbackGetter); return true; } } else if (JSObjectGetPropertyCallback getProperty = jsClass->getProperty) { @@ -149,7 +161,7 @@ bool JSCallbackObject::getOwnPropertySlot(ExecState* exec, const Identifie if (OpaqueJSClassStaticValuesTable* staticValues = jsClass->staticValues(exec)) { if (staticValues->contains(propertyName.impl())) { - JSValue value = getStaticValue(exec, propertyName); + JSValue value = thisObject->getStaticValue(exec, propertyName); if (value) { slot.setValue(value); return true; @@ -159,20 +171,45 @@ bool JSCallbackObject::getOwnPropertySlot(ExecState* exec, const Identifie if (OpaqueJSClassStaticFunctionsTable* staticFunctions = jsClass->staticFunctions(exec)) { if (staticFunctions->contains(propertyName.impl())) { - slot.setCustom(this, staticFunctionGetter); + slot.setCustom(thisObject, staticFunctionGetter); return true; } } } - return Base::getOwnPropertySlot(exec, propertyName, slot); + return Parent::getOwnPropertySlot(thisObject, exec, propertyName, slot); +} + +template +JSValue JSCallbackObject::defaultValue(const JSObject* object, ExecState* exec, PreferredPrimitiveType hint) +{ + const JSCallbackObject* thisObject = jsCast(object); + JSContextRef ctx = toRef(exec); + JSObjectRef thisRef = toRef(thisObject); + ::JSType jsHint = hint == PreferString ? kJSTypeString : kJSTypeNumber; + + for (JSClassRef jsClass = thisObject->classRef(); jsClass; jsClass = jsClass->parentClass) { + if (JSObjectConvertToTypeCallback convertToType = jsClass->convertToType) { + JSValueRef exception = 0; + JSValueRef result = convertToType(ctx, thisRef, jsHint, &exception); + if (exception) { + throwError(exec, toJS(exec, exception)); + return jsUndefined(); + } + if (result) + return toJS(exec, result); + } + } + + return Parent::defaultValue(object, exec, hint); } -template -bool JSCallbackObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) +template +bool JSCallbackObject::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) { + JSCallbackObject* thisObject = jsCast(object); PropertySlot slot; - if (getOwnPropertySlot(exec, propertyName, slot)) { + if (thisObject->methodTable()->getOwnPropertySlot(thisObject, exec, propertyName, slot)) { // Ideally we should return an access descriptor, but returning a value descriptor is better than nothing. JSValue value = slot.getValue(exec, propertyName); if (!exec->hadException()) @@ -184,18 +221,19 @@ bool JSCallbackObject::getOwnPropertyDescriptor(ExecState* exec, const Ide return true; } - return Base::getOwnPropertyDescriptor(exec, propertyName, descriptor); + return Parent::getOwnPropertyDescriptor(thisObject, exec, propertyName, descriptor); } -template -void JSCallbackObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot) +template +void JSCallbackObject::put(JSCell* cell, ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot) { + JSCallbackObject* thisObject = jsCast(cell); JSContextRef ctx = toRef(exec); - JSObjectRef thisRef = toRef(this); + JSObjectRef thisRef = toRef(thisObject); RefPtr propertyNameRef; JSValueRef valueRef = toRef(exec, value); - for (JSClassRef jsClass = classRef(); jsClass; jsClass = jsClass->parentClass) { + for (JSClassRef jsClass = thisObject->classRef(); jsClass; jsClass = jsClass->parentClass) { if (JSObjectSetPropertyCallback setProperty = jsClass->setProperty) { if (!propertyNameRef) propertyNameRef = OpaqueJSString::create(propertyName.ustring()); @@ -236,23 +274,24 @@ void JSCallbackObject::put(ExecState* exec, const Identifier& propertyName if (StaticFunctionEntry* entry = staticFunctions->get(propertyName.impl())) { if (entry->attributes & kJSPropertyAttributeReadOnly) return; - JSCallbackObject::putDirect(exec->globalData(), propertyName, value); // put as override property + thisObject->JSCallbackObject::putDirect(exec->globalData(), propertyName, value); // put as override property return; } } } - return Base::put(exec, propertyName, value, slot); + return Parent::put(thisObject, exec, propertyName, value, slot); } -template -bool JSCallbackObject::deleteProperty(ExecState* exec, const Identifier& propertyName) +template +bool JSCallbackObject::deleteProperty(JSCell* cell, ExecState* exec, const Identifier& propertyName) { + JSCallbackObject* thisObject = jsCast(cell); JSContextRef ctx = toRef(exec); - JSObjectRef thisRef = toRef(this); + JSObjectRef thisRef = toRef(thisObject); RefPtr propertyNameRef; - for (JSClassRef jsClass = classRef(); jsClass; jsClass = jsClass->parentClass) { + for (JSClassRef jsClass = thisObject->classRef(); jsClass; jsClass = jsClass->parentClass) { if (JSObjectDeletePropertyCallback deleteProperty = jsClass->deleteProperty) { if (!propertyNameRef) propertyNameRef = OpaqueJSString::create(propertyName.ustring()); @@ -285,19 +324,21 @@ bool JSCallbackObject::deleteProperty(ExecState* exec, const Identifier& p } } - return Base::deleteProperty(exec, propertyName); + return Parent::deleteProperty(thisObject, exec, propertyName); } -template -bool JSCallbackObject::deleteProperty(ExecState* exec, unsigned propertyName) +template +bool JSCallbackObject::deletePropertyByIndex(JSCell* cell, ExecState* exec, unsigned propertyName) { - return deleteProperty(exec, Identifier::from(exec, propertyName)); + JSCallbackObject* thisObject = jsCast(cell); + return thisObject->methodTable()->deleteProperty(thisObject, exec, Identifier::from(exec, propertyName)); } -template -ConstructType JSCallbackObject::getConstructData(ConstructData& constructData) +template +ConstructType JSCallbackObject::getConstructData(JSCell* cell, ConstructData& constructData) { - for (JSClassRef jsClass = classRef(); jsClass; jsClass = jsClass->parentClass) { + JSCallbackObject* thisObject = jsCast(cell); + for (JSClassRef jsClass = thisObject->classRef(); jsClass; jsClass = jsClass->parentClass) { if (jsClass->callAsConstructor) { constructData.native.function = construct; return ConstructTypeHost; @@ -306,14 +347,14 @@ ConstructType JSCallbackObject::getConstructData(ConstructData& constructD return ConstructTypeNone; } -template -EncodedJSValue JSCallbackObject::construct(ExecState* exec) +template +EncodedJSValue JSCallbackObject::construct(ExecState* exec) { JSObject* constructor = exec->callee(); JSContextRef execRef = toRef(exec); JSObjectRef constructorRef = toRef(constructor); - for (JSClassRef jsClass = static_cast*>(constructor)->classRef(); jsClass; jsClass = jsClass->parentClass) { + for (JSClassRef jsClass = jsCast*>(constructor)->classRef(); jsClass; jsClass = jsClass->parentClass) { if (JSObjectCallAsConstructorCallback callAsConstructor = jsClass->callAsConstructor) { int argumentCount = static_cast(exec->argumentCount()); Vector arguments(argumentCount); @@ -335,13 +376,14 @@ EncodedJSValue JSCallbackObject::construct(ExecState* exec) return JSValue::encode(JSValue()); } -template -bool JSCallbackObject::hasInstance(ExecState* exec, JSValue value, JSValue) +template +bool JSCallbackObject::hasInstance(JSObject* object, ExecState* exec, JSValue value, JSValue) { + JSCallbackObject* thisObject = jsCast(object); JSContextRef execRef = toRef(exec); - JSObjectRef thisRef = toRef(this); + JSObjectRef thisRef = toRef(thisObject); - for (JSClassRef jsClass = classRef(); jsClass; jsClass = jsClass->parentClass) { + for (JSClassRef jsClass = thisObject->classRef(); jsClass; jsClass = jsClass->parentClass) { if (JSObjectHasInstanceCallback hasInstance = jsClass->hasInstance) { JSValueRef valueRef = toRef(exec, value); JSValueRef exception = 0; @@ -358,10 +400,11 @@ bool JSCallbackObject::hasInstance(ExecState* exec, JSValue value, JSValue return false; } -template -CallType JSCallbackObject::getCallData(CallData& callData) +template +CallType JSCallbackObject::getCallData(JSCell* cell, CallData& callData) { - for (JSClassRef jsClass = classRef(); jsClass; jsClass = jsClass->parentClass) { + JSCallbackObject* thisObject = jsCast(cell); + for (JSClassRef jsClass = thisObject->classRef(); jsClass; jsClass = jsClass->parentClass) { if (jsClass->callAsFunction) { callData.native.function = call; return CallTypeHost; @@ -370,14 +413,14 @@ CallType JSCallbackObject::getCallData(CallData& callData) return CallTypeNone; } -template -EncodedJSValue JSCallbackObject::call(ExecState* exec) +template +EncodedJSValue JSCallbackObject::call(ExecState* exec) { JSContextRef execRef = toRef(exec); JSObjectRef functionRef = toRef(exec->callee()); JSObjectRef thisObjRef = toRef(exec->hostThisValue().toThisObject(exec)); - for (JSClassRef jsClass = static_cast*>(toJS(functionRef))->classRef(); jsClass; jsClass = jsClass->parentClass) { + for (JSClassRef jsClass = jsCast*>(toJS(functionRef))->classRef(); jsClass; jsClass = jsClass->parentClass) { if (JSObjectCallAsFunctionCallback callAsFunction = jsClass->callAsFunction) { int argumentCount = static_cast(exec->argumentCount()); Vector arguments(argumentCount); @@ -399,13 +442,14 @@ EncodedJSValue JSCallbackObject::call(ExecState* exec) return JSValue::encode(JSValue()); } -template -void JSCallbackObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode) +template +void JSCallbackObject::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode) { + JSCallbackObject* thisObject = jsCast(object); JSContextRef execRef = toRef(exec); - JSObjectRef thisRef = toRef(this); + JSObjectRef thisRef = toRef(thisObject); - for (JSClassRef jsClass = classRef(); jsClass; jsClass = jsClass->parentClass) { + for (JSClassRef jsClass = thisObject->classRef(); jsClass; jsClass = jsClass->parentClass) { if (JSObjectGetPropertyNamesCallback getPropertyNames = jsClass->getPropertyNames) { APICallbackShim callbackShim(exec); getPropertyNames(execRef, thisRef, toRef(&propertyNames)); @@ -416,7 +460,7 @@ void JSCallbackObject::getOwnPropertyNames(ExecState* exec, PropertyNameAr iterator end = staticValues->end(); for (iterator it = staticValues->begin(); it != end; ++it) { StringImpl* name = it->first.get(); - StaticValueEntry* entry = it->second; + StaticValueEntry* entry = it->second.get(); if (entry->getProperty && (!(entry->attributes & kJSPropertyAttributeDontEnum) || (mode == IncludeDontEnumProperties))) propertyNames.add(Identifier(exec, name)); } @@ -427,87 +471,30 @@ void JSCallbackObject::getOwnPropertyNames(ExecState* exec, PropertyNameAr iterator end = staticFunctions->end(); for (iterator it = staticFunctions->begin(); it != end; ++it) { StringImpl* name = it->first.get(); - StaticFunctionEntry* entry = it->second; + StaticFunctionEntry* entry = it->second.get(); if (!(entry->attributes & kJSPropertyAttributeDontEnum) || (mode == IncludeDontEnumProperties)) propertyNames.add(Identifier(exec, name)); } } } - Base::getOwnPropertyNames(exec, propertyNames, mode); -} - -template -double JSCallbackObject::toNumber(ExecState* exec) const -{ - // We need this check to guard against the case where this object is rhs of - // a binary expression where lhs threw an exception in its conversion to - // primitive - if (exec->hadException()) - return NaN; - JSContextRef ctx = toRef(exec); - JSObjectRef thisRef = toRef(this); - - for (JSClassRef jsClass = classRef(); jsClass; jsClass = jsClass->parentClass) - if (JSObjectConvertToTypeCallback convertToType = jsClass->convertToType) { - JSValueRef exception = 0; - JSValueRef value; - { - APICallbackShim callbackShim(exec); - value = convertToType(ctx, thisRef, kJSTypeNumber, &exception); - } - if (exception) { - throwError(exec, toJS(exec, exception)); - return 0; - } - - double dValue; - if (value) - return toJS(exec, value).getNumber(dValue) ? dValue : NaN; - } - - return Base::toNumber(exec); -} - -template -UString JSCallbackObject::toString(ExecState* exec) const -{ - JSContextRef ctx = toRef(exec); - JSObjectRef thisRef = toRef(this); - - for (JSClassRef jsClass = classRef(); jsClass; jsClass = jsClass->parentClass) - if (JSObjectConvertToTypeCallback convertToType = jsClass->convertToType) { - JSValueRef exception = 0; - JSValueRef value; - { - APICallbackShim callbackShim(exec); - value = convertToType(ctx, thisRef, kJSTypeString, &exception); - } - if (exception) { - throwError(exec, toJS(exec, exception)); - return ""; - } - if (value) - return toJS(exec, value).getString(exec); - } - - return Base::toString(exec); + Parent::getOwnPropertyNames(thisObject, exec, propertyNames, mode); } -template -void JSCallbackObject::setPrivate(void* data) +template +void JSCallbackObject::setPrivate(void* data) { m_callbackObjectData->privateData = data; } -template -void* JSCallbackObject::getPrivate() +template +void* JSCallbackObject::getPrivate() { return m_callbackObjectData->privateData; } -template -bool JSCallbackObject::inherits(JSClassRef c) const +template +bool JSCallbackObject::inherits(JSClassRef c) const { for (JSClassRef jsClass = classRef(); jsClass; jsClass = jsClass->parentClass) if (jsClass == c) @@ -516,8 +503,8 @@ bool JSCallbackObject::inherits(JSClassRef c) const return false; } -template -JSValue JSCallbackObject::getStaticValue(ExecState* exec, const Identifier& propertyName) +template +JSValue JSCallbackObject::getStaticValue(ExecState* exec, const Identifier& propertyName) { JSObjectRef thisRef = toRef(this); RefPtr propertyNameRef; @@ -545,14 +532,14 @@ JSValue JSCallbackObject::getStaticValue(ExecState* exec, const Identifier return JSValue(); } -template -JSValue JSCallbackObject::staticFunctionGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName) +template +JSValue JSCallbackObject::staticFunctionGetter(ExecState* exec, JSValue slotParent, const Identifier& propertyName) { - JSCallbackObject* thisObj = asCallbackObject(slotBase); + JSCallbackObject* thisObj = asCallbackObject(slotParent); // Check for cached or override property. PropertySlot slot2(thisObj); - if (thisObj->Base::getOwnPropertySlot(exec, propertyName, slot2)) + if (Parent::getOwnPropertySlot(thisObj, exec, propertyName, slot2)) return slot2.getValue(exec, propertyName); for (JSClassRef jsClass = thisObj->classRef(); jsClass; jsClass = jsClass->parentClass) { @@ -560,7 +547,7 @@ JSValue JSCallbackObject::staticFunctionGetter(ExecState* exec, JSValue sl if (StaticFunctionEntry* entry = staticFunctions->get(propertyName.impl())) { if (JSObjectCallAsFunctionCallback callAsFunction = entry->callAsFunction) { - JSObject* o = new (exec) JSCallbackFunction(exec, asGlobalObject(thisObj->getAnonymousValue(0)), callAsFunction, propertyName); + JSObject* o = JSCallbackFunction::create(exec, thisObj->globalObject(), callAsFunction, propertyName); thisObj->putDirect(exec->globalData(), propertyName, o, entry->attributes); return o; } @@ -571,10 +558,10 @@ JSValue JSCallbackObject::staticFunctionGetter(ExecState* exec, JSValue sl return throwError(exec, createReferenceError(exec, "Static function property defined with NULL callAsFunction callback.")); } -template -JSValue JSCallbackObject::callbackGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName) +template +JSValue JSCallbackObject::callbackGetter(ExecState* exec, JSValue slotParent, const Identifier& propertyName) { - JSCallbackObject* thisObj = asCallbackObject(slotBase); + JSCallbackObject* thisObj = asCallbackObject(slotParent); JSObjectRef thisRef = toRef(thisObj); RefPtr propertyNameRef;