1/*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15#ifndef BASE_MACROS_H
16#define BASE_MACROS_H
17
18#define ROLE(role) Get##role()
19#define ROLE_PROTO_TYPE(role) role& ROLE(role) const
20#define USE_ROLE(role) virtual ROLE_PROTO_TYPE(role) = 0
21#define HAS_ROLE(role) USE_ROLE(role)
22
23#define IMPL_ROLE(role)                                        \
24ROLE_PROTO_TYPE(role) override                                 \
25{                                                              \
26    return const_cast<role&>(static_cast<const role&>(*this)); \
27}
28
29#endif
30