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mirror of synced 2024-11-25 00:00:27 +01:00

fix: is_integral and is_signed causing errors on >= gcc 11

This fixes #265
This commit is contained in:
WerWolv 2021-07-19 01:11:28 +02:00 committed by GitHub
parent 35c7f826bc
commit 405b97e4d3
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@ -25,15 +25,114 @@
#define fopen64 fopen
#define fseeko64 fseek
#define ftello64 ftell
#else
template<>
struct std::is_integral<u128> : public std::true_type { };
template<>
struct std::is_integral<s128> : public std::true_type { };
template<>
struct std::is_signed<s128> : public std::true_type { };
#endif
namespace hex {
template<typename>
struct is_integral_helper : public std::false_type { };
template<>
struct is_integral_helper<u8> : public std::true_type { };
template<>
struct is_integral_helper<s8> : public std::true_type { };
template<>
struct is_integral_helper<u16> : public std::true_type { };
template<>
struct is_integral_helper<s16> : public std::true_type { };
template<>
struct is_integral_helper<u32> : public std::true_type { };
template<>
struct is_integral_helper<s32> : public std::true_type { };
template<>
struct is_integral_helper<u64> : public std::true_type { };
template<>
struct is_integral_helper<s64> : public std::true_type { };
template<>
struct is_integral_helper<u128> : public std::true_type { };
template<>
struct is_integral_helper<s128> : public std::true_type { };
template<>
struct is_integral_helper<bool> : public std::true_type { };
template<>
struct is_integral_helper<char> : public std::true_type { };
template<>
struct is_integral_helper<char8_t> : public std::true_type { };
template<>
struct is_integral_helper<char16_t> : public std::true_type { };
template<>
struct is_integral_helper<char32_t> : public std::true_type { };
template<>
struct is_integral_helper<wchar_t> : public std::true_type { };
template<typename T>
struct is_integral : public is_integral_helper<std::remove_cvref_t<T>>::type { };
template<typename>
struct is_signed_helper : public std::false_type { };
template<>
struct is_signed_helper<s8> : public std::true_type { };
template<>
struct is_signed_helper<s16> : public std::true_type { };
template<>
struct is_signed_helper<s32> : public std::true_type { };
template<>
struct is_signed_helper<s64> : public std::true_type { };
template<>
struct is_signed_helper<s128> : public std::true_type { };
template<>
struct is_signed_helper<char> : public std::true_type { };
template<>
struct is_signed_helper<float> : public std::true_type { };
template<>
struct is_signed_helper<double> : public std::true_type { };
template<>
struct is_signed_helper<long double> : public std::true_type { };
template<typename T>
struct is_signed : public is_signed_helper<std::remove_cvref_t<T>>::type { };
template<typename>
struct is_floating_point_helper : public std::false_type { };
template<>
struct is_floating_point_helper<float> : public std::true_type { };
template<>
struct is_floating_point_helper<double> : public std::true_type { };
template<>
struct is_floating_point_helper<long double> : public std::true_type { };
template<typename T>
struct is_floating_point : public is_floating_point_helper<std::remove_cvref_t<T>>::type { };
}
#if defined(_LIBCPP_VERSION) && _LIBCPP_VERSION <= 12000
#if __has_include(<concepts>)
// Make sure we break when derived_from is implemented in libc++. Then we can fix a compatibility version above
@ -47,33 +146,29 @@ concept derived_from =
__is_base_of(_Bp, _Dp) && __is_convertible_to(const volatile _Dp*, const volatile _Bp*);
}
// [concepts.arithmetic]
namespace hex {
template<class _Tp>
concept integral = __is_integral(_Tp);
template<class _Tp>
concept signed_integral = integral<_Tp> && __is_signed(_Tp);
template<class _Tp>
concept unsigned_integral = integral<_Tp> && !signed_integral<_Tp>;
template<class _Tp>
concept floating_point = __is_floating_point(_Tp);
}
#else
// Assume supported
#include <concepts>
namespace hex {
using std::derived_from;
using std::integral;
using std::signed_integral;
using std::unsigned_integral;
using std::floating_point;
}
#endif
// [concepts.arithmetic]
namespace hex {
template<class _Tp>
concept integral = hex::is_integral<_Tp>::value;
template<class _Tp>
concept signed_integral = integral<_Tp> && hex::is_signed<_Tp>::value;
template<class _Tp>
concept unsigned_integral = integral<_Tp> && !signed_integral<_Tp>;
template<class _Tp>
concept floating_point = std::is_floating_point<_Tp>::value;
}
#define TOKEN_CONCAT_IMPL(x, y) x ## y
#define TOKEN_CONCAT(x, y) TOKEN_CONCAT_IMPL(x, y)
#define ANONYMOUS_VARIABLE(prefix) TOKEN_CONCAT(prefix, __COUNTER__)
@ -266,4 +361,4 @@ namespace hex {
size_t size;
};
}
}