attributes.hh

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#pragma once

// The placement of these attributes is a bit painful.
//
//    template <wet_kind WetType>
//    ATTRIBUTE_PURE
//    static auto
//    equal_impl(const value_t& l, const value_t& r)
//      -> std::enable_if_t<WetType == value_t::bitset,
//                     bool>
//    {
//      return l == r;
//    }

#if defined __clang__

# define ATTRIBUTE_ALWAYS_INLINE __attribute__((always_inline))
# define ATTRIBUTE_CONST         __attribute__((const))
# define ATTRIBUTE_DLLEXPORT
# define ATTRIBUTE_DLLIMPORT
# define ATTRIBUTE_HOT           __attribute__((hot))
# define ATTRIBUTE_NORETURN      [[noreturn]]
# define ATTRIBUTE_PURE          __attribute__((pure))
# define ATTRIBUTE_USED          __attribute__((used))

#elif defined __GNUC__

# define ATTRIBUTE_ALWAYS_INLINE __attribute__((always_inline))
# define ATTRIBUTE_CONST         __attribute__((const))
# define ATTRIBUTE_DLLEXPORT     __attribute__((visibility("default")))
# define ATTRIBUTE_DLLIMPORT     ATTRIBUTE_DLLEXPORT
# define ATTRIBUTE_HOT           __attribute__((hot))
# define ATTRIBUTE_NORETURN      __attribute__((noreturn))
# define ATTRIBUTE_PURE          __attribute__((pure))
# define ATTRIBUTE_USED          __attribute__((used))

#elif defined _MSC_VER

# define ATTRIBUTE_ALWAYS_INLINE
# define ATTRIBUTE_CONST         __declspec(const)
# define ATTRIBUTE_DLLEXPORT     __declspec(dllexport)
# define ATTRIBUTE_DLLIMPORT     __declspec(dllimport)
# define ATTRIBUTE_HOT
# define ATTRIBUTE_NORETURN      [[noreturn]]
# define ATTRIBUTE_PURE
# define ATTRIBUTE_USED

#endif