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Differential D9067 Diff 29495 source/blender/blenlib/BLI_utildefines.h

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source/blender/blenlib/BLI_utildefines.h

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/* -------------------------------------------------------------------- */ /* -------------------------------------------------------------------- */
/** \name C++ Macros /** \name C++ Macros
* \{ */ * \{ */
#ifdef __cplusplus #ifdef __cplusplus
/* Useful to port C code using enums to C++ where enums are strongly typed. /* Useful to port C code using enums to C++ where enums are strongly typed.
* To use after the enum declaration. */ * To use after the enum declaration. */
# define ENUM_OPERATORS(_enum_type) \ # define ENUM_OPERATORS(_enum_type, _max_enum_value) \
inline constexpr _enum_type operator|(_enum_type a, _enum_type b) \ inline constexpr _enum_type operator|(_enum_type a, _enum_type b) \
{ \ { \
return static_cast<_enum_type>(static_cast<int>(a) | b); \ return static_cast<_enum_type>(static_cast<int>(a) | b); \
} \ } \
inline constexpr _enum_type operator&(_enum_type a, _enum_type b) \ inline constexpr _enum_type operator&(_enum_type a, _enum_type b) \
{ \ { \
return static_cast<_enum_type>(static_cast<int>(a) & b); \ return static_cast<_enum_type>(static_cast<int>(a) & b); \
} \ } \
inline constexpr _enum_type operator~(_enum_type a) \ inline constexpr _enum_type operator~(_enum_type a) \
{ \ { \
return static_cast<_enum_type>(~static_cast<int>(a)); \ return static_cast<_enum_type>(~static_cast<int>(a) & (2 * _max_enum_value - 1)); \
} \ } \
inline _enum_type &operator|=(_enum_type &a, _enum_type b) \ inline _enum_type &operator|=(_enum_type &a, _enum_type b) \
{ \ { \
return a = static_cast<_enum_type>(static_cast<int>(a) | b); \ return a = static_cast<_enum_type>(static_cast<int>(a) | b); \
} \ } \
inline _enum_type &operator&=(_enum_type &a, _enum_type b) \ inline _enum_type &operator&=(_enum_type &a, _enum_type b) \
{ \ { \
return a = static_cast<_enum_type>(static_cast<int>(a) & b); \ return a = static_cast<_enum_type>(static_cast<int>(a) & b); \
} }
#else #else
/* Output nothing. */ /* Output nothing. */
# define ENUM_OPERATORS(_type) # define ENUM_OPERATORS(_type, _max)
#endif #endif
/** \} */ /** \} */
/* -------------------------------------------------------------------- */ /* -------------------------------------------------------------------- */
/** \name Misc Macros /** \name Misc Macros
* \{ */ * \{ */
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