CompletionType evaluate()
{
Register<Value> value = getScopeChain()->get("value");
Register<StringValue> result = new StringValue(value->isUndefined() ? "" : value->toString());
if (string->hasInstance(getThis()))
{
// Constructor
ObjectValue* object = static_cast<ObjectValue*>(getThis());
object->setValueProperty(result);
Register<NumberValue> length = new NumberValue(result->length());
object->put("length", length,
ObjectValue::DontEnum | ObjectValue::DontDelete | ObjectValue::ReadOnly);
}
return CompletionType(CompletionType::Return, result, "");
}
// Query interface for this interface.
CompletionType evaluate()
{
if (constructor->hasInstance(getThis()))
{
// Constructor
Object* constructor = es::getConstructor(iid.c_str());
if (!constructor)
{
throw getErrorInstance("TypeError");
}
// TODO: Currently only the default constructor is supported
std::string ciid = iid;
ciid += "::Constructor";
Value* value = invoke(ciid.c_str(), 0, reinterpret_cast<InterfaceMethod**>(constructor), 0);
return CompletionType(CompletionType::Return, value, "");
}
else
{
// Cast
InterfacePointerValue* self = dynamic_cast<InterfacePointerValue*>(getScopeChain()->get("object"));
if (!self)
{
throw getErrorInstance("TypeError");
}
Object* object;
object = self->getObject();
if (!object || !(object = reinterpret_cast<Object*>(object->queryInterface(iid.c_str()))))
{
// We should throw an error in case called by a new expression.
throw getErrorInstance("TypeError");
}
ObjectValue* value = new InterfacePointerValue(object);
value->setPrototype(prototype);
return CompletionType(CompletionType::Return, value, "");
}
}