661 lines
25 KiB
C++
661 lines
25 KiB
C++
// _ _ __ _____
|
|
// | \ | | / _| / ____|_ _
|
|
// | \| | __ _ _ __ ___ ___ ___ | |_ | | _| |_ _| |_
|
|
// | . ` |/ _` | '_ ` _ \ / _ \/ _ \| _| | | |_ _|_ _|
|
|
// | |\ | (_| | | | | | | __/ (_) | | | |____|_| |_|
|
|
// |_| \_|\__,_|_| |_| |_|\___|\___/|_| \_____|
|
|
// https://github.com/Neargye/nameof
|
|
// version 0.9.3
|
|
//
|
|
// Licensed under the MIT License <http://opensource.org/licenses/MIT>.
|
|
// SPDX-License-Identifier: MIT
|
|
// Copyright (c) 2016, 2018 - 2020 Daniil Goncharov <neargye@gmail.com>.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
|
|
#ifndef NEARGYE_NAMEOF_HPP
|
|
#define NEARGYE_NAMEOF_HPP
|
|
|
|
#include <array>
|
|
#include <cassert>
|
|
#include <cstdint>
|
|
#include <cstddef>
|
|
#include <iosfwd>
|
|
#include <iterator>
|
|
#include <limits>
|
|
#include <string_view>
|
|
#include <type_traits>
|
|
#include <utility>
|
|
|
|
#if defined(_MSC_VER)
|
|
# pragma warning(push)
|
|
# pragma warning(disable : 26495) // Variable 'nameof::cstring<N>::chars_' is uninitialized.
|
|
#endif
|
|
|
|
// Checks nameof_type compiler compatibility.
|
|
#if defined(__clang__) || defined(__GNUC__) || defined(_MSC_VER)
|
|
# undef NAMEOF_TYPE_SUPPORTED
|
|
# define NAMEOF_TYPE_SUPPORTED 1
|
|
#endif
|
|
|
|
// Checks nameof_enum compiler compatibility.
|
|
#if defined(__clang__) || defined(__GNUC__) && __GNUC__ >= 9 || defined(_MSC_VER)
|
|
# undef NAMEOF_ENUM_SUPPORTED
|
|
# define NAMEOF_ENUM_SUPPORTED 1
|
|
#endif
|
|
|
|
// Enum value must be greater or equals than NAMEOF_ENUM_RANGE_MIN. By default NAMEOF_ENUM_RANGE_MIN = -128.
|
|
// If need another min range for all enum types by default, redefine the macro NAMEOF_ENUM_RANGE_MIN.
|
|
#if !defined(NAMEOF_ENUM_RANGE_MIN)
|
|
# define NAMEOF_ENUM_RANGE_MIN -128
|
|
#endif
|
|
|
|
// Enum value must be less or equals than NAMEOF_ENUM_RANGE_MAX. By default NAMEOF_ENUM_RANGE_MAX = 128.
|
|
// If need another max range for all enum types by default, redefine the macro NAMEOF_ENUM_RANGE_MAX.
|
|
#if !defined(NAMEOF_ENUM_RANGE_MAX)
|
|
# define NAMEOF_ENUM_RANGE_MAX 128
|
|
#endif
|
|
|
|
namespace nameof {
|
|
|
|
// Enum value must be in range [NAMEOF_ENUM_RANGE_MIN, NAMEOF_ENUM_RANGE_MAX]. By default NAMEOF_ENUM_RANGE_MIN = -128, NAMEOF_ENUM_RANGE_MAX = 128.
|
|
// If need another range for all enum types by default, redefine the macro NAMEOF_ENUM_RANGE_MIN and NAMEOF_ENUM_RANGE_MAX.
|
|
// If need another range for specific enum type, add specialization enum_range for necessary enum type.
|
|
template <typename E>
|
|
struct enum_range {
|
|
static_assert(std::is_enum_v<E>, "nameof::enum_range requires enum type.");
|
|
inline static constexpr int min = NAMEOF_ENUM_RANGE_MIN;
|
|
inline static constexpr int max = NAMEOF_ENUM_RANGE_MAX;
|
|
static_assert(max > min, "nameof::enum_range requires max > min.");
|
|
};
|
|
|
|
static_assert(NAMEOF_ENUM_RANGE_MIN <= 0, "NAMEOF_ENUM_RANGE_MIN must be less or equals than 0.");
|
|
static_assert(NAMEOF_ENUM_RANGE_MIN > (std::numeric_limits<std::int16_t>::min)(), "NAMEOF_ENUM_RANGE_MIN must be greater than INT16_MIN.");
|
|
|
|
static_assert(NAMEOF_ENUM_RANGE_MAX > 0, "NAMEOF_ENUM_RANGE_MAX must be greater than 0.");
|
|
static_assert(NAMEOF_ENUM_RANGE_MAX < (std::numeric_limits<std::int16_t>::max)(), "NAMEOF_ENUM_RANGE_MAX must be less than INT16_MAX.");
|
|
|
|
static_assert(NAMEOF_ENUM_RANGE_MAX > NAMEOF_ENUM_RANGE_MIN, "NAMEOF_ENUM_RANGE_MAX must be greater than NAMEOF_ENUM_RANGE_MIN.");
|
|
|
|
template <std::size_t N>
|
|
class [[nodiscard]] cstring {
|
|
static_assert(N > 0, "nameof::cstring requires size greater than 0.");
|
|
|
|
std::array<char, N + 1> chars_;
|
|
|
|
template <std::size_t... I>
|
|
constexpr cstring(std::string_view str, std::index_sequence<I...>) noexcept : chars_{{str[I]..., '\0'}} {}
|
|
|
|
public:
|
|
using value_type = const char;
|
|
using size_type = std::size_t;
|
|
using difference_type = std::ptrdiff_t;
|
|
using pointer = const char*;
|
|
using const_pointer = const char*;
|
|
using reference = const char&;
|
|
using const_reference = const char&;
|
|
|
|
using iterator = const char*;
|
|
using const_iterator = const char*;
|
|
|
|
using reverse_iterator = std::reverse_iterator<iterator>;
|
|
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
|
|
|
|
constexpr explicit cstring(std::string_view str) noexcept : cstring{str, std::make_index_sequence<N>{}} {
|
|
assert(str.size() == N);
|
|
}
|
|
|
|
constexpr cstring() = delete;
|
|
|
|
constexpr cstring(const cstring&) = default;
|
|
|
|
constexpr cstring(cstring&&) = default;
|
|
|
|
~cstring() = default;
|
|
|
|
constexpr cstring& operator=(const cstring&) = default;
|
|
|
|
constexpr cstring& operator=(cstring&&) = default;
|
|
|
|
[[nodiscard]] constexpr const_pointer data() const noexcept { return chars_.data(); }
|
|
|
|
[[nodiscard]] constexpr size_type size() const noexcept { return N; }
|
|
|
|
[[nodiscard]] constexpr const_iterator begin() const noexcept { return data(); }
|
|
|
|
[[nodiscard]] constexpr const_iterator end() const noexcept { return data() + size(); }
|
|
|
|
[[nodiscard]] constexpr const_iterator cbegin() const noexcept { return begin(); }
|
|
|
|
[[nodiscard]] constexpr const_iterator cend() const noexcept { return end(); }
|
|
|
|
[[nodiscard]] constexpr const_reverse_iterator rbegin() const noexcept { return end(); }
|
|
|
|
[[nodiscard]] constexpr const_reverse_iterator rend() const noexcept { return begin(); }
|
|
|
|
[[nodiscard]] constexpr const_reverse_iterator crbegin() const noexcept { return rbegin(); }
|
|
|
|
[[nodiscard]] constexpr const_reverse_iterator crend() const noexcept { return rend(); }
|
|
|
|
[[nodiscard]] constexpr const_reference operator[](size_type i) const noexcept { return assert(i < size()), chars_[i]; }
|
|
|
|
[[nodiscard]] constexpr const_reference at(size_type i) const { return assert(i < size()), chars_.at(i); }
|
|
|
|
[[nodiscard]] constexpr const_reference front() const noexcept { return chars_[0]; }
|
|
|
|
[[nodiscard]] constexpr const_reference back() const noexcept { return chars_[N]; }
|
|
|
|
[[nodiscard]] constexpr size_type length() const noexcept { return size(); }
|
|
|
|
[[nodiscard]] constexpr bool empty() const noexcept { return false; }
|
|
|
|
[[nodiscard]] constexpr int compare(std::string_view str) const noexcept {
|
|
return std::string_view{data(), size()}.compare(str);
|
|
}
|
|
|
|
[[nodiscard]] constexpr const char* c_str() const noexcept { return data(); }
|
|
|
|
template <typename Char = char, typename Traits = std::char_traits<Char>, typename Allocator = std::allocator<Char>>
|
|
[[nodiscard]] std::basic_string<Char, Traits, Allocator> str() const { return {begin(), end()}; }
|
|
|
|
[[nodiscard]] constexpr operator std::string_view() const noexcept { return {data(), size()}; }
|
|
|
|
[[nodiscard]] constexpr explicit operator const char*() const noexcept { return data(); }
|
|
|
|
template <typename Char = char, typename Traits = std::char_traits<Char>, typename Allocator = std::allocator<Char>>
|
|
[[nodiscard]] explicit operator std::basic_string<Char, Traits, Allocator>() const { return {begin(), end()}; }
|
|
};
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator==(const cstring<N>& lhs, std::string_view rhs) noexcept {
|
|
return lhs.compare(rhs) == 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator==(std::string_view lhs, const cstring<N>& rhs) noexcept {
|
|
return lhs.compare(rhs) == 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator!=(const cstring<N>& lhs, std::string_view rhs) noexcept {
|
|
return lhs.compare(rhs) != 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator!=(std::string_view lhs, const cstring<N>& rhs) noexcept {
|
|
return lhs.compare(rhs) != 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator>(const cstring<N>& lhs, std::string_view rhs) noexcept {
|
|
return lhs.compare(rhs) > 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator>(std::string_view lhs, const cstring<N>& rhs) noexcept {
|
|
return lhs.compare(rhs) > 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator>=(const cstring<N>& lhs, std::string_view rhs) noexcept {
|
|
return lhs.compare(rhs) >= 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator>=(std::string_view lhs, const cstring<N>& rhs) noexcept {
|
|
return lhs.compare(rhs) >= 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator<(const cstring<N>& lhs, std::string_view rhs) noexcept {
|
|
return lhs.compare(rhs) < 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator<(std::string_view lhs, const cstring<N>& rhs) noexcept {
|
|
return lhs.compare(rhs) < 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator<=(const cstring<N>& lhs, std::string_view rhs) noexcept {
|
|
return lhs.compare(rhs) <= 0;
|
|
}
|
|
|
|
template <std::size_t N>
|
|
[[nodiscard]] constexpr bool operator<=(std::string_view lhs, const cstring<N>& rhs) noexcept {
|
|
return lhs.compare(rhs) <= 0;
|
|
}
|
|
|
|
template <typename Char, typename Traits, std::size_t N>
|
|
std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, const cstring<N>& srt) {
|
|
for (const auto c : std::string_view{srt}) {
|
|
os.put(c);
|
|
}
|
|
|
|
return os;
|
|
}
|
|
|
|
namespace detail {
|
|
|
|
template <typename T>
|
|
struct identity {
|
|
using type = T;
|
|
};
|
|
|
|
template <typename... T>
|
|
struct nameof_type_supported
|
|
#if defined(NAMEOF_TYPE_SUPPORTED) && NAMEOF_TYPE_SUPPORTED || defined(NAMEOF_TYPE_NO_CHECK_SUPPORT)
|
|
: std::true_type {};
|
|
#else
|
|
: std::false_type {};
|
|
#endif
|
|
|
|
template <typename T>
|
|
struct nameof_enum_supported
|
|
#if defined(NAMEOF_ENUM_SUPPORTED) && NAMEOF_ENUM_SUPPORTED || defined(NAMEOF_ENUM_NO_CHECK_SUPPORT)
|
|
: std::true_type {};
|
|
#else
|
|
: std::false_type {};
|
|
#endif
|
|
|
|
template <typename T>
|
|
using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<T>>;
|
|
|
|
template <typename T, typename R>
|
|
using enable_if_enum_t = std::enable_if_t<std::is_enum_v<std::decay_t<T>>, R>;
|
|
|
|
template <typename T>
|
|
inline constexpr bool is_enum_v = std::is_enum_v<T> && std::is_same_v<T, std::decay_t<T>>;
|
|
|
|
constexpr std::string_view pretty_name(std::string_view name, bool remove_template_suffix = true) noexcept {
|
|
if (name.size() >= 1 && (name[0] == '"' || name[0] == '\'')) {
|
|
return {}; // Narrow multibyte string literal.
|
|
} else if (name.size() >= 2 && name[0] == 'R' && (name[1] == '"' || name[1] == '\'')) {
|
|
return {}; // Raw string literal.
|
|
} else if (name.size() >= 2 && name[0] == 'L' && (name[1] == '"' || name[1] == '\'')) {
|
|
return {}; // Wide string literal.
|
|
} else if (name.size() >= 2 && name[0] == 'U' && (name[1] == '"' || name[1] == '\'')) {
|
|
return {}; // UTF-32 encoded string literal.
|
|
} else if (name.size() >= 2 && name[0] == 'u' && (name[1] == '"' || name[1] == '\'')) {
|
|
return {}; // UTF-16 encoded string literal.
|
|
} else if (name.size() >= 3 && name[0] == 'u' && name[1] == '8' && (name[2] == '"' || name[2] == '\'')) {
|
|
return {}; // UTF-8 encoded string literal.
|
|
} else if (name.size() >= 1 && (name[0] >= '0' && name[0] <= '9')) {
|
|
return {}; // Invalid name.
|
|
}
|
|
|
|
for (std::size_t i = name.size(), h = 0, s = 0; i > 0; --i) {
|
|
if (name[i - 1] == ')') {
|
|
++h;
|
|
++s;
|
|
continue;
|
|
} else if (name[i - 1] == '(') {
|
|
--h;
|
|
++s;
|
|
continue;
|
|
}
|
|
|
|
if (h == 0) {
|
|
name.remove_suffix(s);
|
|
break;
|
|
} else {
|
|
++s;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
std::size_t s = 0;
|
|
for (std::size_t i = name.size(), h = 0; i > 0; --i) {
|
|
if (name[i - 1] == '>') {
|
|
++h;
|
|
++s;
|
|
continue;
|
|
} else if (name[i - 1] == '<') {
|
|
--h;
|
|
++s;
|
|
continue;
|
|
}
|
|
|
|
if (h == 0) {
|
|
break;
|
|
} else {
|
|
++s;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
for (std::size_t i = name.size() - s; i > 0; --i) {
|
|
if (!((name[i - 1] >= '0' && name[i - 1] <= '9') ||
|
|
(name[i - 1] >= 'a' && name[i - 1] <= 'z') ||
|
|
(name[i - 1] >= 'A' && name[i - 1] <= 'Z') ||
|
|
(name[i - 1] == '_'))) {
|
|
name.remove_prefix(i);
|
|
break;
|
|
}
|
|
}
|
|
if (remove_template_suffix) {
|
|
name.remove_suffix(s);
|
|
}
|
|
|
|
if (name.size() > 0 && ((name.front() >= 'a' && name.front() <= 'z') ||
|
|
(name.front() >= 'A' && name.front() <= 'Z') ||
|
|
(name.front() == '_'))) {
|
|
return name;
|
|
}
|
|
|
|
return {}; // Invalid name.
|
|
}
|
|
|
|
template <typename E, E V>
|
|
constexpr auto n() noexcept {
|
|
static_assert(is_enum_v<E>, "nameof::detail::n requires enum type.");
|
|
#if defined(NAMEOF_ENUM_SUPPORTED) && NAMEOF_ENUM_SUPPORTED
|
|
# if defined(__clang__) || defined(__GNUC__)
|
|
constexpr auto name = pretty_name({__PRETTY_FUNCTION__, sizeof(__PRETTY_FUNCTION__) - 2});
|
|
# elif defined(_MSC_VER)
|
|
constexpr auto name = pretty_name({__FUNCSIG__, sizeof(__FUNCSIG__) - 17});
|
|
# endif
|
|
if constexpr (name.size() > 0) {
|
|
return cstring<name.size()>{name};
|
|
} else {
|
|
return std::string_view{};
|
|
}
|
|
#else
|
|
return std::string_view{}; // Unsupported compiler.
|
|
#endif
|
|
}
|
|
|
|
template <typename E, E V>
|
|
inline constexpr auto enum_name_v = n<E, V>();
|
|
|
|
template <typename L, typename R>
|
|
constexpr bool cmp_less(L lhs, R rhs) noexcept {
|
|
static_assert(std::is_integral_v<L> && std::is_integral_v<R>, "nameof::detail::cmp_less requires integral type.");
|
|
|
|
if constexpr (std::is_signed_v<L> == std::is_signed_v<R>) {
|
|
// If same signedness (both signed or both unsigned).
|
|
return lhs < rhs;
|
|
} else if constexpr (std::is_signed_v<R>) {
|
|
// If 'right' is negative, then result is 'false', otherwise cast & compare.
|
|
return rhs > 0 && lhs < static_cast<std::make_unsigned_t<R>>(rhs);
|
|
} else {
|
|
// If 'left' is negative, then result is 'true', otherwise cast & compare.
|
|
return lhs < 0 || static_cast<std::make_unsigned_t<L>>(lhs) < rhs;
|
|
}
|
|
}
|
|
|
|
template <typename E, int Min, int Max>
|
|
constexpr std::size_t range_size() noexcept {
|
|
static_assert(is_enum_v<E>, "nameof::detail::range_size requires enum type.");
|
|
constexpr auto size = Max - Min + 1;
|
|
static_assert(size > 0, "nameof::enum_range requires valid size.");
|
|
static_assert(size < (std::numeric_limits<std::uint16_t>::max)(), "nameof::enum_range requires valid size.");
|
|
|
|
return static_cast<std::size_t>(size);
|
|
}
|
|
|
|
template <typename E>
|
|
constexpr int reflected_min() noexcept {
|
|
static_assert(is_enum_v<E>, "nameof::detail::reflected_min requires enum type.");
|
|
constexpr auto lhs = enum_range<E>::min;
|
|
static_assert(lhs > (std::numeric_limits<std::int16_t>::min)(), "nameof::enum_range requires min must be greater than INT16_MIN.");
|
|
constexpr auto rhs = (std::numeric_limits<std::underlying_type_t<E>>::min)();
|
|
|
|
return cmp_less(lhs, rhs) ? rhs : lhs;
|
|
}
|
|
|
|
template <typename E>
|
|
constexpr int reflected_max() noexcept {
|
|
static_assert(is_enum_v<E>, "nameof::detail::reflected_max requires enum type.");
|
|
constexpr auto lhs = enum_range<E>::max;
|
|
static_assert(lhs < (std::numeric_limits<std::int16_t>::max)(), "nameof::enum_range requires max must be less than INT16_MAX.");
|
|
constexpr auto rhs = (std::numeric_limits<std::underlying_type_t<E>>::max)();
|
|
|
|
return cmp_less(lhs, rhs) ? lhs : rhs;
|
|
}
|
|
|
|
template <typename E>
|
|
inline constexpr int reflected_min_v = reflected_min<E>();
|
|
|
|
template <typename E>
|
|
inline constexpr int reflected_max_v = reflected_max<E>();
|
|
|
|
template <typename E, int... I>
|
|
constexpr auto values(std::integer_sequence<int, I...>) noexcept {
|
|
static_assert(is_enum_v<E>, "nameof::detail::values requires enum type.");
|
|
constexpr std::array<bool, sizeof...(I)> valid{{(n<E, static_cast<E>(I + reflected_min_v<E>)>().size() != 0)...}};
|
|
constexpr int count = ((valid[I] ? 1 : 0) + ...);
|
|
|
|
std::array<E, count> values{};
|
|
for (int i = 0, v = 0; v < count; ++i) {
|
|
if (valid[i]) {
|
|
values[v++] = static_cast<E>(i + reflected_min_v<E>);
|
|
}
|
|
}
|
|
|
|
return values;
|
|
}
|
|
|
|
template <typename E>
|
|
inline constexpr auto values_v = values<E>(std::make_integer_sequence<int, range_size<E, reflected_min_v<E>, reflected_max_v<E>>()>{});
|
|
|
|
template <typename E>
|
|
inline constexpr std::size_t count_v = values_v<E>.size();
|
|
|
|
template <typename E>
|
|
inline constexpr int min_v = values_v<E>.empty() ? 0 : static_cast<int>(values_v<E>.front());
|
|
|
|
template <typename E>
|
|
inline constexpr int max_v = values_v<E>.empty() ? 0 : static_cast<int>(values_v<E>.back());
|
|
|
|
template <typename E>
|
|
inline constexpr std::size_t range_size_v = range_size<E, min_v<E>, max_v<E>>();
|
|
|
|
template <typename E>
|
|
using index_t = std::conditional_t<range_size_v<E> < (std::numeric_limits<std::uint8_t>::max)(), std::uint8_t, std::uint16_t>;
|
|
|
|
template <typename E>
|
|
inline constexpr auto invalid_index_v = (std::numeric_limits<index_t<E>>::max)();
|
|
|
|
template <typename E, int... I>
|
|
constexpr auto indexes(std::integer_sequence<int, I...>) noexcept {
|
|
static_assert(is_enum_v<E>, "nameof::detail::indexes requires enum type.");
|
|
index_t<E> i = 0;
|
|
|
|
return std::array<index_t<E>, sizeof...(I)>{{((n<E, static_cast<E>(I + min_v<E>)>().size() != 0) ? i++ : invalid_index_v<E>)...}};
|
|
}
|
|
|
|
template <typename E>
|
|
inline constexpr auto indexes_v = indexes<E>(std::make_integer_sequence<int, range_size_v<E>>{});
|
|
|
|
template <typename E, int... I>
|
|
constexpr auto strings(std::integer_sequence<int, I...>) noexcept {
|
|
static_assert(is_enum_v<E>, "nameof::detail::strings requires enum type.");
|
|
|
|
return std::array<const char*, sizeof...(I)>{{enum_name_v<E, static_cast<E>(I + min_v<E>)>.data()...}};
|
|
}
|
|
|
|
template <typename E, std::size_t... I>
|
|
constexpr auto strings(std::index_sequence<I...>) noexcept {
|
|
static_assert(is_enum_v<E>, "nameof::detail::strings requires enum type.");
|
|
|
|
return std::array<const char*, sizeof...(I)>{{enum_name_v<E, values_v<E>[I]>.data()...}};
|
|
}
|
|
|
|
template <typename E>
|
|
inline constexpr bool sparsity_v = (sizeof(const char*) * range_size_v<E>) > (sizeof(index_t<E>) * range_size_v<E> + sizeof(const char*) * count_v<E>);
|
|
|
|
template <typename E>
|
|
constexpr auto strings() noexcept {
|
|
static_assert(is_enum_v<E>, "nameof::detail::strings requires enum type.");
|
|
|
|
if constexpr (sparsity_v<E>) {
|
|
return strings<E>(std::make_index_sequence<count_v<E>>{});
|
|
} else {
|
|
return strings<E>(std::make_integer_sequence<int, range_size_v<E>>{});
|
|
}
|
|
}
|
|
|
|
template <typename E>
|
|
inline static constexpr auto strings_v = strings<E>();
|
|
|
|
template <typename... T>
|
|
constexpr auto n() noexcept {
|
|
#if defined(NAMEOF_TYPE_SUPPORTED) && NAMEOF_TYPE_SUPPORTED
|
|
# if defined(__clang__)
|
|
constexpr std::string_view name{__PRETTY_FUNCTION__ + 31, sizeof(__PRETTY_FUNCTION__) - 34};
|
|
# elif defined(__GNUC__)
|
|
constexpr std::string_view name{__PRETTY_FUNCTION__ + 46, sizeof(__PRETTY_FUNCTION__) - 49};
|
|
# elif defined(_MSC_VER)
|
|
constexpr std::string_view name{__FUNCSIG__ + 63, sizeof(__FUNCSIG__) - 81 - (__FUNCSIG__[sizeof(__FUNCSIG__) - 19] == ' ' ? 1 : 0)};
|
|
# endif
|
|
|
|
return cstring<name.size()>{name};
|
|
#else
|
|
return std::string_view{}; // Unsupported compiler.
|
|
#endif
|
|
}
|
|
|
|
template <typename... T>
|
|
inline constexpr auto type_name_v = n<T...>();
|
|
|
|
} // namespace nameof::detail
|
|
|
|
// Checks is nameof_type supported compiler.
|
|
inline constexpr bool is_nameof_type_supported = detail::nameof_type_supported<void>::value;
|
|
|
|
// Checks is nameof_enum supported compiler.
|
|
inline constexpr bool is_nameof_enum_supported = detail::nameof_enum_supported<void>::value;
|
|
|
|
// Obtains simple (unqualified) string enum name of enum variable.
|
|
template <typename E>
|
|
[[nodiscard]] constexpr auto nameof_enum(E value) noexcept -> detail::enable_if_enum_t<E, std::string_view> {
|
|
using D = std::decay_t<E>;
|
|
using U = std::underlying_type_t<D>;
|
|
static_assert(detail::nameof_enum_supported<D>::value, "nameof::nameof_enum unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
|
|
static_assert(detail::count_v<D> > 0, "nameof::nameof_enum requires enum implementation and valid max and min.");
|
|
|
|
if (const auto i = static_cast<int>(value) - detail::min_v<D>; static_cast<U>(value) >= static_cast<U>(detail::min_v<D>) &&
|
|
static_cast<U>(value) <= static_cast<U>(detail::max_v<D>)) {
|
|
if constexpr (detail::sparsity_v<D>) {
|
|
if (const auto idx = detail::indexes_v<D>[i]; idx != detail::invalid_index_v<D>) {
|
|
return detail::strings_v<D>[idx];
|
|
}
|
|
} else {
|
|
return detail::strings_v<D>[i];
|
|
}
|
|
}
|
|
|
|
return {}; // Value out of range.
|
|
}
|
|
|
|
// Obtains simple (unqualified) string enum name of static storage enum variable.
|
|
// This version is much lighter on the compile times and is not restricted to the enum_range limitation.
|
|
template <auto V>
|
|
[[nodiscard]] constexpr auto nameof_enum() noexcept -> detail::enable_if_enum_t<decltype(V), std::string_view> {
|
|
using E = std::decay_t<decltype(V)>;
|
|
constexpr std::string_view name = detail::enum_name_v<E, V>;
|
|
static_assert(name.size() > 0, "Enum value does not have a name.");
|
|
|
|
return name;
|
|
}
|
|
|
|
// Obtains string name of type, reference and cv-qualifiers are ignored.
|
|
template <typename T>
|
|
[[nodiscard]] constexpr std::string_view nameof_type() noexcept {
|
|
static_assert(detail::nameof_type_supported<T>::value, "nameof::nameof_type unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
|
|
#if defined(_MSC_VER)
|
|
using U = detail::identity<detail::remove_cvref_t<T>>;
|
|
#else
|
|
using U = detail::remove_cvref_t<T>;
|
|
#endif
|
|
constexpr std::string_view name = detail::type_name_v<U>;
|
|
static_assert(name.size() > 0, "Type does not have a name.");
|
|
|
|
return name;
|
|
}
|
|
|
|
// Obtains string name of full type, with reference and cv-qualifiers.
|
|
template <typename T>
|
|
[[nodiscard]] constexpr std::string_view nameof_full_type() noexcept {
|
|
static_assert(detail::nameof_type_supported<T>::value, "nameof::nameof_type unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
|
|
#if defined(_MSC_VER)
|
|
using U = detail::identity<T>;
|
|
#else
|
|
using U = T;
|
|
#endif
|
|
constexpr std::string_view name = detail::type_name_v<U>;
|
|
static_assert(name.size() > 0, "Type does not have a name.");
|
|
|
|
return name;
|
|
}
|
|
|
|
} // namespace nameof
|
|
|
|
// Obtains simple (unqualified) string name of variable, function, macro.
|
|
#define NAMEOF(...) []() constexpr noexcept { \
|
|
::std::void_t<decltype(__VA_ARGS__)>(); \
|
|
constexpr auto name = ::nameof::detail::pretty_name(#__VA_ARGS__, true); \
|
|
static_assert(name.size() > 0, "Expression does not have a name."); \
|
|
constexpr auto size = name.size(); \
|
|
constexpr auto nameof = ::nameof::cstring<size>{name}; \
|
|
return nameof; }()
|
|
|
|
// Obtains simple (unqualified) full (with template suffix) string name of variable, function, macro.
|
|
#define NAMEOF_FULL(...) []() constexpr noexcept { \
|
|
::std::void_t<decltype(__VA_ARGS__)>(); \
|
|
constexpr auto name = ::nameof::detail::pretty_name(#__VA_ARGS__, false); \
|
|
static_assert(name.size() > 0, "Expression does not have a name."); \
|
|
constexpr auto size = name.size(); \
|
|
constexpr auto nameof_full = ::nameof::cstring<size>{name}; \
|
|
return nameof_full; }()
|
|
|
|
// Obtains raw string name of variable, function, macro.
|
|
#define NAMEOF_RAW(...) []() constexpr noexcept { \
|
|
::std::void_t<decltype(__VA_ARGS__)>(); \
|
|
constexpr auto name = ::std::string_view{#__VA_ARGS__}; \
|
|
static_assert(name.size() > 0, "Expression does not have a name."); \
|
|
constexpr auto size = name.size(); \
|
|
constexpr auto nameof_raw = ::nameof::cstring<size>{name}; \
|
|
return nameof_raw; }()
|
|
|
|
// Obtains simple (unqualified) string enum name of enum variable.
|
|
#define NAMEOF_ENUM(...) ::nameof::nameof_enum<::std::decay_t<decltype(__VA_ARGS__)>>(__VA_ARGS__)
|
|
|
|
// Obtains simple (unqualified) string enum name of static storage enum variable.
|
|
// This version is much lighter on the compile times and is not restricted to the enum_range limitation.
|
|
#define NAMEOF_CONST_ENUM(...) ::nameof::nameof_enum<__VA_ARGS__>()
|
|
|
|
// Obtains string name of type, reference and cv-qualifiers are ignored.
|
|
#define NAMEOF_TYPE(...) ::nameof::nameof_type<__VA_ARGS__>()
|
|
|
|
// Obtains string name of full type, with reference and cv-qualifiers.
|
|
#define NAMEOF_FULL_TYPE(...) ::nameof::nameof_full_type<__VA_ARGS__>()
|
|
|
|
// Obtains string name type of expression, reference and cv-qualifiers are ignored.
|
|
#define NAMEOF_TYPE_EXPR(...) ::nameof::nameof_type<decltype(__VA_ARGS__)>()
|
|
|
|
// Obtains string name full type of expression, with reference and cv-qualifiers.
|
|
#define NAMEOF_FULL_TYPE_EXPR(...) ::nameof::nameof_full_type<decltype(__VA_ARGS__)>()
|
|
|
|
#if defined(_MSC_VER)
|
|
# pragma warning(pop)
|
|
#endif
|
|
|
|
#endif // NEARGYE_NAMEOF_HPP
|