yalantinglibs/include/ylt/struct_pack/derived_marco.hpp

35 lines
1.5 KiB
C++

/*
* Copyright (c) 2023, Alibaba Group Holding Limited;
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "foreach_macro.h"
#define GET_STRUCT_PACK_ID_IMPL_FOR_LOOP(idx, type) \
inline uint32_t type::get_struct_pack_id() const { \
return struct_pack::detail::get_struct_pack_id_impl<type>(); \
}
#define STRUCT_PACK_DERIVED_DECL(base, ...) \
\
inline decltype(struct_pack::detail::derived_decl_impl<base, __VA_ARGS__>()) \
struct_pack_derived_decl(const base*);
#define STRUCT_PACK_DERIVED_IMPL(base, ...) \
STRUCT_PACK_EXPAND_EACH(, GET_STRUCT_PACK_ID_IMPL_FOR_LOOP, base, \
__VA_ARGS__) \
STRUCT_PACK_DERIVED_DECL(base, __VA_ARGS__); \
static_assert(struct_pack::detail::check_ID_collision<base, __VA_ARGS__>());