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neargye 2020-07-04 14:57:25 +05:00
parent 06cb3163f1
commit d9f4cd5e74
1 changed files with 22 additions and 11 deletions
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33
include/magic_enum.hpp
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@ -32,6 +32,10 @@
#ifndef NEARGYE_MAGIC_ENUM_HPP
#define NEARGYE_MAGIC_ENUM_HPP
#define MAGIC_ENUM_VERSION_MAJOR 0
#define MAGIC_ENUM_VERSION_MINOR 6
#define MAGIC_ENUM_VERSION_PATCH 6
#include <array>
#include <cassert>
#include <cstdint>
@ -188,14 +192,16 @@ constexpr bool cmp_less(L lhs, R rhs) noexcept {
}
}
template <typename E>
#if defined(NEARGYE_NAMEOF_HPP)
using ::nameof::detail::type_name_v;
#else
template <typename... T>
constexpr auto n() noexcept {
static_assert(is_enum_v<E>, "magic_enum::detail::n requires enum type.");
#if defined(MAGIC_ENUM_SUPPORTED) && MAGIC_ENUM_SUPPORTED
#if defined(__clang__) && __clang_major__ >= 5 || defined(__GNUC__) && __GNUC__ >= 7 || defined(_MSC_VER) && _MSC_VER >= 1910
# if defined(__clang__)
constexpr std::string_view name{__PRETTY_FUNCTION__ + 34, sizeof(__PRETTY_FUNCTION__) - 36};
constexpr std::string_view name{__PRETTY_FUNCTION__ + 35, sizeof(__PRETTY_FUNCTION__) - 38};
# elif defined(__GNUC__)
constexpr std::string_view name{__PRETTY_FUNCTION__ + 49, sizeof(__PRETTY_FUNCTION__) - 51};
constexpr std::string_view name{__PRETTY_FUNCTION__ + 50, sizeof(__PRETTY_FUNCTION__) - 53};
# elif defined(_MSC_VER)
constexpr std::string_view name{__FUNCSIG__ + 40, sizeof(__FUNCSIG__) - 57};
# endif
@ -205,9 +211,13 @@ constexpr auto n() noexcept {
#endif
}
template <typename E>
inline constexpr auto type_name_v = n<E>();
template <typename... T>
inline constexpr auto type_name_v = n<T...>();
#endif
#if defined(NEARGYE_NAMEOF_HPP)
using ::nameof::detail::enum_name_v;
#else
template <typename E, E V>
constexpr auto n() noexcept {
static_assert(is_enum_v<E>, "magic_enum::detail::n requires enum type.");
@ -224,7 +234,8 @@ constexpr auto n() noexcept {
}
template <typename E, E V>
inline constexpr auto name_v = n<E, V>();
inline constexpr auto enum_name_v = n<E, V>();
#endif
template <typename E, auto V>
constexpr bool is_valid() noexcept {
@ -321,7 +332,7 @@ template <typename E, std::size_t... I>
constexpr auto names(std::index_sequence<I...>) noexcept {
static_assert(is_enum_v<E>, "magic_enum::detail::names requires enum type.");
return std::array<std::string_view, sizeof...(I)>{{name_v<E, values_v<E>[I]>...}};
return std::array<std::string_view, sizeof...(I)>{{enum_name_v<E, values_v<E>[I]>...}};
}
template <typename E>
@ -331,7 +342,7 @@ template <typename E, std::size_t... I>
constexpr auto entries(std::index_sequence<I...>) noexcept {
static_assert(is_enum_v<E>, "magic_enum::detail::entries requires enum type.");
return std::array<std::pair<E, std::string_view>, sizeof...(I)>{{{values_v<E>[I], name_v<E, values_v<E>[I]>}...}};
return std::array<std::pair<E, std::string_view>, sizeof...(I)>{{{values_v<E>[I], enum_name_v<E, values_v<E>[I]>}...}};
}
template <typename E>
@ -472,7 +483,7 @@ template <auto V>
[[nodiscard]] constexpr auto enum_name() noexcept -> detail::enable_if_enum_t<decltype(V), std::string_view> {
using D = std::decay_t<decltype(V)>;
static_assert(detail::supported<D>::value, "magic_enum unsupported compiler (https://github.com/Neargye/magic_enum#compiler-compatibility).");
constexpr std::string_view name = detail::name_v<std::decay_t<D>, V>;
constexpr std::string_view name = detail::enum_name_v<std::decay_t<D>, V>;
static_assert(name.size() > 0, "Enum value does not have a name.");
return name;