/*
* Copyright (c) 2021-2022 Huawei Device Co., Ltd.
* 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 p ermissions and
* limitations under the License.
*/
#ifndef OHOS_ROSEN_CLASS_VAR_DEFINITION_H
#define OHOS_ROSEN_CLASS_VAR_DEFINITION_H
namespace OHOS::Rosen {
#define DEFINE_VAR(type, memberName) \
private: \
type memberName##_;
#define DEFINE_VAR_WITH_LOCK(type, memberName) \
private: \
std::atomic<bool> memberName##atomicBool_ { false }; \
type memberName##_;
#define DEFINE_VAR_DEFAULT(type, memberName, defaultValue) \
private: \
type memberName##_ {defaultValue};
#define DEFINE_FUNC_GET(type, funcName, memberName) \
public: \
type Get##funcName() const \
{ \
return memberName##_; \
}
#define DEFINE_FUNC_GET_WITH_LOCK(type, funcName, memberName) \
public: \
type Get##funcName() \
{ \
bool expect = false; \
type res; \
while (!memberName##atomicBool_.compare_exchange_weak(expect, true, \
std::memory_order_relaxed)) { \
expect = false; \
} \
res = memberName##_; \
memberName##atomicBool_.store(false); \
return res; \
}
#define DEFINE_FUNC_SET(type, funcName, memberName) \
public: \
void Set##funcName(type value) \
{ \
memberName##_ = value; \
}
#define DEFINE_FUNC_SET_WITH_LOCK(type, funcName, memberName) \
public: \
void Set##funcName(type value) \
{ \
bool expect = false; \
while (!memberName##atomicBool_.compare_exchange_weak(expect, true, \
std::memory_order_relaxed)) { \
expect = false; \
} \
\
memberName##_ = value; \
memberName##atomicBool_.store(false); \
}
#define DEFINE_VAR_FUNC_GET(type, funcName, memberName) \
DEFINE_VAR(type, memberName) \
DEFINE_FUNC_GET(type, funcName, memberName)
#define DEFINE_VAR_DEFAULT_FUNC_GET(type, funcName, memberName, defaultValue) \
DEFINE_VAR_DEFAULT(type, memberName, defaultValue) \
DEFINE_FUNC_GET(type, funcName, memberName)
#define DEFINE_VAR_DEFAULT_FUNC_SET(type, funcName, memberName, defaultValue) \
DEFINE_VAR_DEFAULT(type, memberName, defaultValue) \
DEFINE_FUNC_SET(type, funcName, memberName)
#define DEFINE_VAR_FUNC_GET_SET(type, funcName, memberName) \
DEFINE_VAR(type, memberName) \
DEFINE_FUNC_GET(type, funcName, memberName) \
DEFINE_FUNC_SET(type, funcName, memberName)
#define DEFINE_VAR_FUNC_GET_SET_WITH_LOCK(type, funcName, memberName) \
DEFINE_VAR_WITH_LOCK(type, memberName) \
DEFINE_FUNC_GET_WITH_LOCK(type, funcName, memberName) \
DEFINE_FUNC_SET_WITH_LOCK(type, funcName, memberName)
#define DEFINE_VAR_DEFAULT_FUNC_GET_SET(type, funcName, memberName, defaultValue) \
DEFINE_VAR_DEFAULT(type, memberName, defaultValue) \
DEFINE_FUNC_GET(type, funcName, memberName) \
DEFINE_FUNC_SET(type, funcName, memberName)
} // namespace OHOS::Rosen
#endif // OHOS_ROSEN_CLASS_VAR_DEFINITION_H