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This commit is contained in:
neargye 2019-04-05 17:19:18 +05:00
parent d99419a3e4
commit 0d1826b9c4
1 changed files with 27 additions and 27 deletions
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54
include/nameof.hpp
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@ -62,6 +62,22 @@ struct identity final {
}
[[nodiscard]] constexpr std::string_view pretty_name(std::string_view name, bool with_template_suffix) noexcept {
if (name.length() >= 1 && (name.front() == '"' || name.front() == '\'')) {
return {}; // Narrow multibyte string literal.
} else if (name.length() >= 2 && name[0] == 'R' && (name[1] == '"' || name[1] == '\'')) {
return {}; // Raw string literal.
} else if (name.length() >= 2 && name[0] == 'L' && (name[1] == '"' || name[1] == '\'')) {
return {}; // Wide string literal.
} else if (name.length() >= 2 && name[0] == 'U' && (name[1] == '"' || name[1] == '\'')) {
return {}; // UTF-32 encoded string literal.
} else if (name.length() >= 2 && name[0] == 'u' && (name[1] == '"' || name[1] == '\'')) {
return {}; // UTF-16 encoded string literal.
} else if (name.length() >= 3 && name[0] == 'u' && name[1] == '8' && (name[2] == '"' || name[2] == '\'')) {
return {}; // UTF-8 encoded string literal.
} else if (name.length() >= 1 && (name.front() >= '0' && name.front() <= '9')) {
return {}; // Invalid name.
}
for (std::size_t i = name.size(), h = 0, s = 0; i > 0; --i) {
if (name[i - 1] == ')') {
++h;
@ -82,10 +98,6 @@ struct identity final {
}
}
if (name.length() > 0 && (name.front() == '"' || (name.front() >= '0' && name.front() <= '9') || name.back() == '"')) {
return {}; // Invalid name.
}
std::size_t s = 0;
for (std::size_t i = name.size(), h = 0; i > 0; --i) {
if (name[i - 1] == '>') {
@ -178,19 +190,7 @@ template <typename E, E V>
#if defined(__clang__) || (defined(__GNUC__) && __GNUC__ >= 9) || defined(_MSC_VER)
name.remove_suffix(suffix);
for (std::size_t i = name.size(); i > 0; --i) {
if (!is_name_char(name[i - 1], false)) {
name.remove_prefix(i);
break;
}
}
if (name.length() > 0 && is_name_char(name.front(), true)) {
return name;
}
else {
return {}; // Invalid enum name.
}
return pretty_name(name, false);
#endif
}
@ -245,7 +245,7 @@ template <typename T>
} // namespace detail
// nameof_enum(enum) used to obtain the simple (unqualified) string enum name of enum variable.
// nameof_enum(enum) obtains simple (unqualified) string enum name of enum variable.
template <typename T, typename = std::enable_if_t<std::is_enum_v<std::decay_t<T>>>>
[[nodiscard]] constexpr std::string_view nameof_enum(T value) noexcept {
constexpr bool s = std::is_signed_v<std::underlying_type_t<std::decay_t<T>>>;
@ -256,13 +256,13 @@ template <typename T, typename = std::enable_if_t<std::is_enum_v<std::decay_t<T>
return detail::nameof_enum_impl_t<std::decay_t<T>, min>{}(static_cast<int>(value));
}
// nameof_enum<enum>() used to obtain the simple (unqualified) string enum name of static storage enum variable.
// nameof_enum<enum>() obtains simple (unqualified) string enum name of static storage enum variable.
template <auto V, typename = std::enable_if_t<std::is_enum_v<std::decay_t<decltype(V)>>>>
[[nodiscard]] constexpr std::string_view nameof_enum() noexcept {
return detail::nameof_enum_impl<decltype(V), V>();
}
// nameof_type<type>() used to obtain the string name of type.
// nameof_type<type>() obtains string name of type.
template <typename T>
[[nodiscard]] constexpr std::string_view nameof_type() noexcept {
return detail::nameof_type_impl<detail::identity<T>>();
@ -270,23 +270,23 @@ template <typename T>
} // namespace nameof
// NAMEOF used to obtain the simple (unqualified) string name of variable, function, enum, macro.
// NAMEOF obtains simple (unqualified) string name of variable, function, enum, macro.
#define NAMEOF(...) ::nameof::detail::nameof_impl<decltype(__VA_ARGS__)>(#__VA_ARGS__, false)
// NAMEOF_FULL used to obtain the simple (unqualified) full (with template suffix) string name of variable, function, enum, macro.
// NAMEOF_FULL obtains simple (unqualified) full (with template suffix) string name of variable, function, enum, macro.
#define NAMEOF_FULL(...) ::nameof::detail::nameof_impl<decltype(__VA_ARGS__)>(#__VA_ARGS__, true)
// NAMEOF_RAW used to obtain the raw string name of variable, function, enum, macro.
// NAMEOF_RAW obtains raw string name of variable, function, enum, macro.
#define NAMEOF_RAW(...) ::nameof::detail::nameof_raw_impl<decltype(__VA_ARGS__)>(#__VA_ARGS__)
// NAMEOF_ENUM used to obtain the simple (unqualified) string enum name of enum variable.
// NAMEOF_ENUM obtains simple (unqualified) string enum name of enum variable.
#define NAMEOF_ENUM(...) ::nameof::nameof_enum<decltype(__VA_ARGS__)>(__VA_ARGS__)
// NAMEOF_CONST_ENUM used to obtain the simple (unqualified) string enum name of static storage enum variable.
// NAMEOF_CONST_ENUM obtains simple (unqualified) string enum name of static storage enum variable.
#define NAMEOF_CONST_ENUM(...) ::nameof::nameof_enum<__VA_ARGS__>()
// NAMEOF_TYPE used to obtain the string name of type.
// NAMEOF_TYPE obtains string name of type.
#define NAMEOF_TYPE(...) ::nameof::nameof_type<__VA_ARGS__>()
// NAMEOF_VAR_TYPE used to obtain the string name of variable type.
// NAMEOF_VAR_TYPE obtains string name of variable type.
#define NAMEOF_VAR_TYPE(...) ::nameof::nameof_type<decltype(__VA_ARGS__)>()