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add NAMEOF_TYPE_RTTI

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This commit is contained in:
neargye 2020-06-03 19:25:30 +05:00
parent 77fd770012
commit 2cdcdc0f83
1 changed files with 24 additions and 0 deletions
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24
include/nameof.hpp
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@ -43,6 +43,12 @@
#include <type_traits> #include <type_traits>
#include <utility> #include <utility>
#if __has_include(<cxxabi.h>)
#include <cxxabi.h>
#include <cstdlib>
#include <string>
#endif
#if defined(_MSC_VER) #if defined(_MSC_VER)
# pragma warning(push) # pragma warning(push)
# pragma warning(disable : 26495) // Variable 'nameof::cstring<N>::chars_' is uninitialized. # pragma warning(disable : 26495) // Variable 'nameof::cstring<N>::chars_' is uninitialized.
@ -535,6 +541,17 @@ constexpr auto n() noexcept {
template <typename... T> template <typename... T>
inline constexpr auto type_name_v = n<T...>(); inline constexpr auto type_name_v = n<T...>();
inline auto n(const char* tn) {
#if __has_include(<cxxabi.h>)
auto dmg = abi::__cxa_demangle(tn, nullptr, nullptr, nullptr);
auto r = std::string{dmg != nullptr ? dmg : tn};
std::free(dmg);
return r;
#else
return std::string_view{tn};
#endif
}
} // namespace nameof::detail } // namespace nameof::detail
// Checks is nameof_type supported compiler. // Checks is nameof_type supported compiler.
@ -654,6 +671,13 @@ template <typename T>
// Obtains string name full type of expression, with reference and cv-qualifiers. // Obtains string name full type of expression, with reference and cv-qualifiers.
#define NAMEOF_FULL_TYPE_EXPR(...) ::nameof::nameof_full_type<decltype(__VA_ARGS__)>() #define NAMEOF_FULL_TYPE_EXPR(...) ::nameof::nameof_full_type<decltype(__VA_ARGS__)>()
// Obtains string name of type using RTTI.
#if defined(__cpp_rtti) || defined(_CPPRTTI) || defined(__GXX_RTTI)
# define NAMEOF_TYPE_RTTI(...) ::nameof::detail::n(typeid(__VA_ARGS__).name())
#else
# define NAMEOF_TYPE_RTTI(...)
#endif
#if defined(_MSC_VER) #if defined(_MSC_VER)
# pragma warning(pop) # pragma warning(pop)
#endif #endif