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use cstring for allow NTTP

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neargye 2024-09-19 13:52:06 +03:00
parent 174b23d76e
commit 3f1664327a
1 changed files with 25 additions and 29 deletions
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54
include/nameof.hpp
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@ -1115,61 +1115,57 @@ template <typename E>
// Obtains name of static storage enum variable. // Obtains name of static storage enum variable.
// This version is much lighter on the compile times and is not restricted to the enum_range limitation. // This version is much lighter on the compile times and is not restricted to the enum_range limitation.
template <auto V> template <auto V, detail::enable_if_enum_t<decltype(V), int> = 0>
[[nodiscard]] constexpr auto nameof_enum() noexcept -> detail::enable_if_enum_t<decltype(V), string_view> { [[nodiscard]] constexpr auto nameof_enum() noexcept {
using D = std::decay_t<decltype(V)>; using D = std::decay_t<decltype(V)>;
static_assert(std::is_enum_v<D>, "nameof::nameof_enum requires member enum type.");
static_assert(detail::nameof_enum_supported<D>::value, "nameof::nameof_enum unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility)."); static_assert(detail::nameof_enum_supported<D>::value, "nameof::nameof_enum unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
constexpr string_view name = detail::enum_name_v<D, V>; return detail::enum_name_v<D, V>;
static_assert(!name.empty(), "Enum value does not have a name.");
return name;
} }
// Obtains name of type, reference and cv-qualifiers are ignored. // Obtains name of type, reference and cv-qualifiers are ignored.
template <typename T> template <typename T>
[[nodiscard]] constexpr string_view nameof_type() noexcept { [[nodiscard]] constexpr 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).");
using U = detail::identity<detail::remove_cvref_t<T>>; using U = detail::identity<detail::remove_cvref_t<T>>;
constexpr string_view name = detail::type_name_v<U>; static_assert(detail::nameof_type_supported<U>::value, "nameof::nameof_type unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
static_assert(!name.empty(), "Type does not have a name."); return detail::type_name_v<U>;
return name;
} }
// Obtains full name of type, with reference and cv-qualifiers. // Obtains full name of type, with reference and cv-qualifiers.
template <typename T> template <typename T>
[[nodiscard]] constexpr string_view nameof_full_type() noexcept { [[nodiscard]] constexpr 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).");
using U = detail::identity<T>; using U = detail::identity<T>;
constexpr string_view name = detail::type_name_v<U>; static_assert(detail::nameof_type_supported<U>::value, "nameof::nameof_type unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
static_assert(!name.empty(), "Type does not have a full name."); return detail::type_name_v<U>;
return name;
} }
// Obtains short name of type. // Obtains short name of type.
template <typename T> template <typename T, detail::enable_if_has_short_name_t<T, int> = 0>
[[nodiscard]] constexpr auto nameof_short_type() noexcept -> detail::enable_if_has_short_name_t<T, string_view> { [[nodiscard]] constexpr auto nameof_short_type() noexcept {
static_assert(detail::nameof_type_supported<T>::value, "nameof::nameof_type unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
using U = detail::identity<detail::remove_cvref_t<T>>; using U = detail::identity<detail::remove_cvref_t<T>>;
static_assert(detail::nameof_type_supported<U>::value, "nameof::nameof_type unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
static_assert(!std::is_array_v<T> && !std::is_pointer_v<T>, "nameof::nameof_member requires non array and non pointer type.");
constexpr string_view name = detail::pretty_name(detail::type_name_v<U>); constexpr string_view name = detail::pretty_name(detail::type_name_v<U>);
static_assert(!name.empty(), "Type does not have a short name."); static_assert(!name.empty(), "Type does not have a short name.");
return name; return cstring<name.size()>{name};
} }
// Obtains name of member. // Obtains name of member.
template <auto V> template <auto V, std::enable_if_t<std::is_member_pointer_v<decltype(V)>, int> = 0>
[[nodiscard]] constexpr auto nameof_member() noexcept -> std::enable_if_t<std::is_member_pointer_v<decltype(V)>, string_view> { [[nodiscard]] constexpr auto nameof_member() noexcept {
static_assert(detail::nameof_member_supported<decltype(V)>::value, "nameof::nameof_member unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility)."); using U = decltype(V);
constexpr string_view name = detail::member_name_v<V>; static_assert(std::is_member_pointer_v<U>, "nameof::nameof_member requires member pointer type.");
static_assert(!name.empty(), "Member does not have a name."); static_assert(detail::nameof_member_supported<U>::value, "nameof::nameof_member unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
return name; return detail::member_name_v<V>;
} }
// Obtains name of a function, a global or class static variable. // Obtains name of a function, a global or class static variable.
template <auto V> template <auto V, std::enable_if_t<std::is_pointer_v<decltype(V)>, int> = 0>
[[nodiscard]] constexpr auto nameof_pointer() noexcept -> std::enable_if_t<std::is_pointer_v<decltype(V)>, string_view> { [[nodiscard]] constexpr auto nameof_pointer() noexcept {
static_assert(detail::nameof_pointer_supported<decltype(V)>::value, "nameof::nameof_pointer unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility)."); using U = decltype(V);
constexpr string_view name = detail::pointer_name_v<V>; static_assert(std::is_pointer_v<U>, "nameof::nameof_pointer requires pointer type.");
static_assert(!name.empty(), "Pointer does not have a name."); static_assert(detail::nameof_pointer_supported<U>::value, "nameof::nameof_pointer unsupported compiler (https://github.com/Neargye/nameof#compiler-compatibility).");
return name; return detail::pointer_name_v<V>;
} }
} // namespace nameof } // namespace nameof