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48b6c3b32a
* wut_types: Implement more operators for `WUT_ENUM_BITMASK_TYPE` * wut_types: Use `std::underlying_type_t` * wut_types: Use an anonymous namespace
47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdalign.h>
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typedef int32_t BOOL;
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#if defined(__cplusplus) && (__cplusplus >= 201402L)
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#include <type_traits>
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#define WUT_ENUM_BITMASK_TYPE(_type) \
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extern "C++" { namespace { \
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constexpr inline _type operator~(_type lhs) { \
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return static_cast<_type>(~static_cast<std::underlying_type_t<_type>>(lhs)); \
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} \
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constexpr inline _type operator&(_type lhs, _type rhs) { \
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return static_cast<_type>(static_cast<std::underlying_type_t<_type>>(lhs) & static_cast<std::underlying_type_t<_type>>(rhs)); \
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} \
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constexpr inline _type operator|(_type lhs, _type rhs) { \
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return static_cast<_type>(static_cast<std::underlying_type_t<_type>>(lhs) | static_cast<std::underlying_type_t<_type>>(rhs)); \
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} \
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constexpr inline _type operator^(_type lhs, _type rhs) { \
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return static_cast<_type>(static_cast<std::underlying_type_t<_type>>(lhs) ^ static_cast<std::underlying_type_t<_type>>(rhs)); \
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} \
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inline _type& operator&=(_type &lhs, _type rhs) { \
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return reinterpret_cast<_type&>(reinterpret_cast<std::underlying_type_t<_type>&>(lhs) &= static_cast<std::underlying_type_t<_type>>(rhs)); \
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} \
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inline _type& operator|=(_type &lhs, _type rhs) { \
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return reinterpret_cast<_type&>(reinterpret_cast<std::underlying_type_t<_type>&>(lhs) |= static_cast<std::underlying_type_t<_type>>(rhs)); \
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} \
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inline _type& operator^=(_type &lhs, _type rhs) { \
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return reinterpret_cast<_type&>(reinterpret_cast<std::underlying_type_t<_type>&>(lhs) ^= static_cast<std::underlying_type_t<_type>>(rhs)); \
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} \
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} }
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#else
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#define WUT_ENUM_BITMASK_TYPE(_type)
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#endif
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