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/*
* Copyright 2014 Google Inc. All rights reserved.
*
* 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.
*/
#ifndef FRUIT_CONFIG_H
#define FRUIT_CONFIG_H
#include <fruit/impl/fruit-config-base.h>
#if FRUIT_HAS_STD_MAX_ALIGN_T
#define FRUIT_MAX_ALIGN_T std::max_align_t
#elif FRUIT_HAS_MAX_ALIGN_T
// In e.g. GCC 4.8.x, we need a non-standard max_align_t.
#define FRUIT_MAX_ALIGN_T ::max_align_t
#else
// We use the standard one, but most likely it won't work.
#define FRUIT_MAX_ALIGN_T std::max_align_t
#endif
#if FRUIT_HAS_STD_IS_TRIVIALLY_COPYABLE
#if FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#define FRUIT_IS_TRIVIALLY_COPYABLE(T) (std::is_trivially_copyable<T>::value || (std::is_empty<T>::value && std::is_trivially_copy_constructible<T>::value))
#else // !FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#define FRUIT_IS_TRIVIALLY_COPYABLE(T) (std::is_trivially_copyable<T>::value)
#endif // FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#elif FRUIT_HAS_IS_TRIVIALLY_COPYABLE
#if FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#define FRUIT_IS_TRIVIALLY_COPYABLE(T) (__is_trivially_copyable(T) || (std::is_empty<T>::value && std::is_trivially_copy_constructible<T>::value))
#else // !FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#define FRUIT_IS_TRIVIALLY_COPYABLE(T) (__is_trivially_copyable(T))
#endif // FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#elif FRUIT_HAS_HAS_TRIVIAL_COPY
// The compiler doesn't support __is_trivially_copyable (nor is std::is_trivially_copyable
// supported by the library). We use this check as a proxy, but it's not exactly the same thing.
#if FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#define FRUIT_IS_TRIVIALLY_COPYABLE(T) (__has_trivial_copy(T) || (std::is_empty<T>::value && std::is_trivially_copy_constructible<T>::value))
#else // !FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#define FRUIT_IS_TRIVIALLY_COPYABLE(T) (__has_trivial_copy(T))
#endif // FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#else
// We use the standard one, but most likely it won't work.
#if FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#define FRUIT_IS_TRIVIALLY_COPYABLE(T) (std::is_trivially_copyable<T>::value || (std::is_empty<T>::value && std::is_trivially_copy_constructible<T>::value))
#else // !FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#define FRUIT_IS_TRIVIALLY_COPYABLE(T) (std::is_trivially_copyable<T>::value)
#endif // FRUIT_HAS_STD_IS_TRIVIALLY_COPY_CONSTRUCTIBLE
#endif
#if FRUIT_HAS_ALWAYS_INLINE_ATTRIBUTE
#define FRUIT_ALWAYS_INLINE __attribute__((always_inline))
#elif FRUIT_HAS_FORCEINLINE
#define FRUIT_ALWAYS_INLINE __forceinline
#else
#define FRUIT_ALWAYS_INLINE
#endif
#endif // FRUIT_CONFIG_H
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