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53 lines
2.0 KiB
C++
53 lines
2.0 KiB
C++
#ifndef __NCPP_FLAG_ENUM_OPERATOR_HELPERS_H
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#define __NCPP_FLAG_ENUM_OPERATOR_HELPERS_H
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#include <type_traits>
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#include "_helpers.hh"
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namespace ncpp
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{
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#define DECLARE_ENUM_FLAG_OPERATORS(__enum_name__) \
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NCPP_API_EXPORT constexpr __enum_name__ operator& (__enum_name__ x, __enum_name__ y) \
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{ \
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typedef std::underlying_type<__enum_name__>::type etype; \
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return __enum_name__ (static_cast<etype> (x) & static_cast<etype> (y)); \
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} \
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NCPP_API_EXPORT constexpr __enum_name__& operator&= (__enum_name__& x, __enum_name__ y) \
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{ \
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typedef std::underlying_type<__enum_name__>::type etype; \
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return x = __enum_name__ (static_cast<etype> (x) & static_cast<etype> (y)); \
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} \
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NCPP_API_EXPORT constexpr __enum_name__ operator| (__enum_name__ x, __enum_name__ y) \
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{ \
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typedef std::underlying_type<__enum_name__>::type etype; \
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return __enum_name__ (static_cast<etype> (x) | static_cast<etype> (y)); \
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} \
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NCPP_API_EXPORT constexpr __enum_name__& operator|= (__enum_name__& x, __enum_name__ y) \
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{ \
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typedef std::underlying_type<__enum_name__>::type etype; \
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return x = __enum_name__ (static_cast<etype> (x) | static_cast<etype> (y)); \
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} \
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NCPP_API_EXPORT constexpr __enum_name__ operator^ (__enum_name__ x, __enum_name__ y) \
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{ \
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typedef std::underlying_type<__enum_name__>::type etype; \
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return __enum_name__ (static_cast<etype> (x) ^ static_cast<etype> (y)); \
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} \
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NCPP_API_EXPORT constexpr __enum_name__& operator^= (__enum_name__& x, __enum_name__ y) \
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{ \
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typedef std::underlying_type<__enum_name__>::type etype; \
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return x = __enum_name__ (static_cast<etype> (x) ^ static_cast<etype> (y)); \
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} \
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NCPP_API_EXPORT constexpr __enum_name__& operator~ (__enum_name__& x) \
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{ \
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typedef std::underlying_type<__enum_name__>::type etype; \
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return x = __enum_name__ (~static_cast<etype> (x)); \
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} \
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NCPP_API_EXPORT constexpr __enum_name__ operator~ (__enum_name__ x) \
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{ \
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typedef std::underlying_type<__enum_name__>::type etype; \
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return __enum_name__ (~static_cast<etype> (x)); \
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}
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}
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#endif
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