Value RuntimeObjectImp::get(ExecState *exec, const Identifier &propertyName) const
{
Value result = Undefined();
instance->begin();
Class *aClass = instance->getClass();
if (aClass) {
// See if the instance have a field with the specified name.
Field *aField = aClass->fieldNamed(propertyName.ascii(), instance);
if (aField) {
result = instance->getValueOfField (exec, aField);
}
else {
// Now check if a method with specified name exists, if so return a function object for
// that method.
MethodList methodList = aClass->methodsNamed(propertyName.ascii(), instance);
if (methodList.length() > 0) {
result = Object (new RuntimeMethodImp(exec, propertyName, methodList));
}
}
if (result.type() == UndefinedType) {
// Try a fallback object.
result = aClass->fallbackObject (exec, instance, propertyName);
}
}
instance->end();
return result;
}
bool RuntimeObject::getOwnPropertyDescriptor(JSObject* object, ExecState *exec, PropertyName propertyName, PropertyDescriptor& descriptor)
{
RuntimeObject* thisObject = jsCast<RuntimeObject*>(object);
if (!thisObject->m_instance) {
throwInvalidAccessError(exec);
return false;
}
RefPtr<Instance> instance = thisObject->m_instance;
instance->begin();
Class *aClass = instance->getClass();
if (aClass) {
// See if the instance has a field with the specified name.
Field *aField = aClass->fieldNamed(propertyName, instance.get());
if (aField) {
PropertySlot slot;
slot.setCustom(thisObject, fieldGetter);
instance->end();
descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete);
return true;
} else {
// Now check if a method with specified name exists, if so return a function object for
// that method.
MethodList methodList = aClass->methodsNamed(propertyName, instance.get());
if (methodList.size() > 0) {
PropertySlot slot;
slot.setCustom(thisObject, methodGetter);
instance->end();
descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete | ReadOnly);
return true;
}
}
// Try a fallback object.
if (!aClass->fallbackObject(exec, instance.get(), propertyName).isUndefined()) {
PropertySlot slot;
slot.setCustom(thisObject, fallbackObjectGetter);
instance->end();
descriptor.setDescriptor(slot.getValue(exec, propertyName), DontDelete | ReadOnly | DontEnum);
return true;
}
}
instance->end();
return instance->getOwnPropertyDescriptor(thisObject, exec, propertyName, descriptor);
}
bool RuntimeObject::getOwnPropertySlot(JSCell* cell, ExecState *exec, const Identifier& propertyName, PropertySlot& slot)
{
RuntimeObject* thisObject = static_cast<RuntimeObject*>(cell);
if (!thisObject->m_instance) {
throwInvalidAccessError(exec);
return false;
}
RefPtr<Instance> instance = thisObject->m_instance;
instance->begin();
Class *aClass = instance->getClass();
if (aClass) {
// See if the instance has a field with the specified name.
Field *aField = aClass->fieldNamed(propertyName, instance.get());
if (aField) {
slot.setCustom(thisObject, thisObject->fieldGetter);
instance->end();
return true;
} else {
// Now check if a method with specified name exists, if so return a function object for
// that method.
MethodList methodList = aClass->methodsNamed(propertyName, instance.get());
if (methodList.size() > 0) {
slot.setCustom(thisObject, thisObject->methodGetter);
instance->end();
return true;
}
}
// Try a fallback object.
if (!aClass->fallbackObject(exec, instance.get(), propertyName).isUndefined()) {
slot.setCustom(thisObject, thisObject->fallbackObjectGetter);
instance->end();
return true;
}
}
instance->end();
return instance->getOwnPropertySlot(thisObject, exec, propertyName, slot);
}
JSValue* RuntimeObjectImp::fieldGetter(ExecState* exec, const Identifier& propertyName, const PropertySlot& slot)
{
RuntimeObjectImp *thisObj = static_cast<RuntimeObjectImp *>(slot.slotBase());
RefPtr<Bindings::Instance> instance = thisObj->instance;
if (!instance)
return throwInvalidAccessError(exec);
instance->begin();
Class *aClass = instance->getClass();
Field* aField = aClass->fieldNamed(propertyName, instance.get());
JSValue *result = instance->getValueOfField(exec, aField);
instance->end();
return result;
}
JSValue RuntimeObject::fieldGetter(ExecState* exec, JSValue slotBase, PropertyName propertyName)
{
RuntimeObject* thisObj = static_cast<RuntimeObject*>(asObject(slotBase));
RefPtr<Instance> instance = thisObj->m_instance;
if (!instance)
return throwInvalidAccessError(exec);
instance->begin();
Class *aClass = instance->getClass();
Field* aField = aClass->fieldNamed(propertyName, instance.get());
JSValue result = aField->valueFromInstance(exec, instance.get());
instance->end();
return result;
}
EncodedJSValue RuntimeObject::fieldGetter(ExecState* exec, EncodedJSValue thisValue, PropertyName propertyName, JSObject*)
{
RuntimeObject* thisObj = jsCast<RuntimeObject*>(JSValue::decode(thisValue));
RefPtr<Instance> instance = thisObj->m_instance;
if (!instance)
return JSValue::encode(throwInvalidAccessError(exec));
instance->begin();
Class *aClass = instance->getClass();
Field* aField = aClass->fieldNamed(propertyName, instance.get());
JSValue result = aField->valueFromInstance(exec, instance.get());
instance->end();
return JSValue::encode(result);
}
bool RuntimeObjectImp::getOwnPropertySlot(ExecState *exec, const Identifier& propertyName, PropertySlot& slot)
{
if (!instance) {
throwInvalidAccessError(exec);
return false;
}
instance->begin();
Class *aClass = instance->getClass();
if (aClass) {
// See if the instance has a field with the specified name.
Field *aField = aClass->fieldNamed(propertyName, instance.get());
if (aField) {
slot.setCustom(this, fieldGetter);
instance->end();
return true;
} else {
// Now check if a method with specified name exists, if so return a function object for
// that method.
MethodList methodList = aClass->methodsNamed(propertyName, instance.get());
if (methodList.size() > 0) {
slot.setCustom(this, methodGetter);
instance->end();
return true;
}
}
// Try a fallback object.
if (!aClass->fallbackObject(exec, instance.get(), propertyName)->isUndefined()) {
slot.setCustom(this, fallbackObjectGetter);
instance->end();
return true;
}
}
instance->end();
// don't call superclass, because runtime objects can't have custom properties or a prototype
return false;
}
