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more constexpr, for cache

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This commit is contained in:
terik23 2019-03-23 17:17:50 +05:00
parent ec4429b35d
commit e294349df9
1 changed files with 24 additions and 24 deletions
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48
include/nameof.hpp
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@ -129,22 +129,22 @@ template <typename E>
template <typename E, E V>
[[nodiscard]] constexpr std::string_view nameof_enum_impl() noexcept {
#if defined(__clang__)
const auto str = __PRETTY_FUNCTION__;
const auto size = sizeof(__PRETTY_FUNCTION__) - 1;
const auto prefix = sizeof("std::string_view nameof::detail::nameof_enum_impl() [E = ") + nameof_enum_impl_<E>() + sizeof("; V = ") - 2;
const auto suffix = sizeof("]") - 1;
constexpr auto str = __PRETTY_FUNCTION__;
constexpr auto size = sizeof(__PRETTY_FUNCTION__) - 1;
constexpr auto prefix = sizeof("std::string_view nameof::detail::nameof_enum_impl() [E = ") + nameof_enum_impl_<E>() + sizeof("; V = ") - 2;
constexpr auto suffix = sizeof("]") - 1;
return detail::pretty_name({str + prefix, size - prefix - suffix}, false);
#elif defined(__GNUC__)
const auto str = __PRETTY_FUNCTION__;
const auto size = sizeof(__PRETTY_FUNCTION__) - 1;
const auto prefix = sizeof("constexpr std::string_view nameof::detail::nameof_enum_impl() [with E = ") + nameof_enum_impl_<E>() + sizeof("; V = ");
const auto suffix = sizeof("; std::string_view = std::basic_string_view<char>]") - 1;
constexpr auto str = __PRETTY_FUNCTION__;
constexpr auto size = sizeof(__PRETTY_FUNCTION__) - 1;
constexpr auto prefix = sizeof("constexpr std::string_view nameof::detail::nameof_enum_impl() [with E = ") + nameof_enum_impl_<E>() + sizeof("; V = ");
constexpr auto suffix = sizeof("; std::string_view = std::basic_string_view<char>]") - 1;
return {str + prefix, size - prefix - suffix};
#elif defined(_MSC_VER)
const auto str = __FUNCSIG__;
const auto size = sizeof(__FUNCSIG__) - 1;
const auto prefix = sizeof("class std::basic_string_view<char,struct std::char_traits<char> > __cdecl nameof::detail::nameof_enum_impl<") + nameof_enum_impl_<E>();
const auto suffix = sizeof(">(void) noexcept") - 1;
constexpr auto str = __FUNCSIG__;
constexpr auto size = sizeof(__FUNCSIG__) - 1;
constexpr auto prefix = sizeof("class std::basic_string_view<char,struct std::char_traits<char> > __cdecl nameof::detail::nameof_enum_impl<") + nameof_enum_impl_<E>();
constexpr auto suffix = sizeof(">(void) noexcept") - 1;
return detail::pretty_name({str + prefix, size - prefix - suffix}, false);
#else
return {};
@ -206,22 +206,22 @@ struct nameof_enum_t<E, NAMEOF_ENUM_MAX_SEARCH_DEPTH> final {
template <typename T>
[[nodiscard]] constexpr std::string_view nameof_type_impl() noexcept {
#if defined(__clang__)
const auto str = __PRETTY_FUNCTION__;
const auto size = sizeof(__PRETTY_FUNCTION__) - 1;
const auto prefix = sizeof("std::string_view nameof::detail::nameof_type_impl() [T = nameof::detail::identity<") - 1;
const auto suffix = sizeof(">]") - 1;
constexpr auto str = __PRETTY_FUNCTION__;
constexpr auto size = sizeof(__PRETTY_FUNCTION__) - 1;
constexpr auto prefix = sizeof("std::string_view nameof::detail::nameof_type_impl() [T = nameof::detail::identity<") - 1;
constexpr auto suffix = sizeof(">]") - 1;
return nameof_type_impl_({str + prefix, size - prefix - suffix});
#elif defined(__GNUC__)
const auto str = __PRETTY_FUNCTION__;
const auto size = sizeof(__PRETTY_FUNCTION__) - 1;
const auto prefix = sizeof("constexpr std::string_view nameof::detail::nameof_type_impl() [with T = nameof::detail::identity<") - 1;
const auto suffix = sizeof(">; std::string_view = std::basic_string_view<char>]") - 1;
constexpr auto str = __PRETTY_FUNCTION__;
constexpr auto size = sizeof(__PRETTY_FUNCTION__) - 1;
constexpr auto prefix = sizeof("constexpr std::string_view nameof::detail::nameof_type_impl() [with T = nameof::detail::identity<") - 1;
constexpr auto suffix = sizeof(">; std::string_view = std::basic_string_view<char>]") - 1;
return nameof_type_impl_({str + prefix, size - prefix - suffix});
#elif defined(_MSC_VER)
const auto str = __FUNCSIG__;
const auto size = sizeof(__FUNCSIG__) - 1;
const auto prefix = sizeof("class std::basic_string_view<char,struct std::char_traits<char> > __cdecl nameof::detail::nameof_type_impl<struct nameof::detail::identity<") - 1;
const auto suffix = sizeof(">>(void) noexcept") - 1;
constexpr auto str = __FUNCSIG__;
constexpr auto size = sizeof(__FUNCSIG__) - 1;
constexpr auto prefix = sizeof("class std::basic_string_view<char,struct std::char_traits<char> > __cdecl nameof::detail::nameof_type_impl<struct nameof::detail::identity<") - 1;
constexpr auto suffix = sizeof(">>(void) noexcept") - 1;
return nameof_type_impl_({str + prefix, size - prefix - suffix});
#else
return {};