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Neargye 2018-08-28 19:00:42 +05:00
parent 46a5376eb3
commit e2b0991a04
1 changed files with 57 additions and 15 deletions
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72
include/nameof.hpp
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@ -173,15 +173,44 @@ constexpr bool IsLexeme(char s) noexcept {
return !((s >= '0' && s <= '9') || (s >= 'a' && s <= 'z') || (s >= 'A' && s <= 'Z') || s == '_');
}
constexpr bool IsBracket(char s) noexcept {
return s == ')' || s == '}' || s == '>' || s == '(' || s == '{' || s == '<';
}
#if defined(NAMEOF_HAS_CONSTEXPR14)
constexpr cstring NameofPretty(cstring name, bool with_suffix) noexcept {
std::size_t s = 0;
for (std::size_t i = name.size(), h = 0; i > 0; --i) {
if (name[i - 1] == '>' || name[i - 1] == ')' || name[i - 1] == '}') {
for (std::size_t i = name.size(), h = 0, s = 0; i > 0; --i) {
if (h == 0 && IsLexeme(name[i - 1]) && !IsBracket(name[i - 1])) {
++s;
continue;
}
if (name[i - 1] == ')' || name[i - 1] == '}') {
++h;
++s;
continue;
} else if (name[i - 1] == '<' || name[i - 1] == '(' || name[i - 1] == '{') {
} else if (name[i - 1] == '(' || name[i - 1] == '{') {
--h;
++s;
continue;
}
if (h == 0) {
name = 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;
@ -204,10 +233,20 @@ constexpr cstring NameofPretty(cstring name, bool with_suffix) noexcept {
return name.remove_suffix(with_suffix ? 0 : s);
}
#else
constexpr cstring RemoveSuffix(cstring name, std::size_t h = 0) noexcept {
return (h == 0 && IsLexeme(name.back()) && !IsBracket(name.back()))
? RemoveSuffix(name.remove_suffix(1), h)
: (name.back() == ')' || name.back() == '}')
? RemoveSuffix(name.remove_suffix(1), h + 1)
: (name.back() == '(' || name.back() == '{')
? RemoveSuffix(name.remove_suffix(1), h - 1)
: h == 0 ? name : RemoveSuffix(name.remove_suffix(1), h);
}
constexpr std::size_t FindSuffix(cstring name, std::size_t h = 0, std::size_t s = 0) noexcept {
return (name[name.size() - 1 - s] == '>' || name[name.size() - 1 - s] == ')' || name[name.size() - 1 - s] == '}')
return (name[name.size() - 1 - s] == '>')
? FindSuffix(name, h + 1, s + 1)
: (name[name.size() - 1 - s] == '<' || name[name.size() - 1 - s] == ')' || name[name.size() - 1 - s] == '{')
: (name[name.size() - 1 - s] == '<')
? FindSuffix(name, h - 1, s + 1)
: h == 0 ? s : FindSuffix(name, h, s + 1);
}
@ -218,12 +257,16 @@ constexpr cstring RemovePrefix(cstring name, const std::size_t p = 0) noexcept {
: RemovePrefix(name, p + 1);
}
constexpr cstring NameofPrettyImpl(cstring name, std::size_t s, bool with_suffix) noexcept {
constexpr cstring NameofPrettyImpl_(cstring name, std::size_t s, bool with_suffix) noexcept {
return RemovePrefix(name.remove_suffix(s)).add_suffix(with_suffix ? s : 0);
}
constexpr cstring NameofPrettyImpl(cstring name, bool with_suffix) noexcept {
return NameofPrettyImpl_(name, FindSuffix(name), with_suffix);
}
constexpr cstring NameofPretty(cstring name, bool with_suffix) noexcept {
return NameofPrettyImpl(name, FindSuffix(name), with_suffix);
return NameofPrettyImpl(RemoveSuffix(name), with_suffix);
}
#endif
@ -292,8 +335,7 @@ NAMEOF_TYPE_CONSTEXPR cstring NameofType() noexcept {
}
template <typename T,
typename = typename std::enable_if<!std::is_reference<T>::value &&
!std::is_void<T>::value>::type>
typename = typename std::enable_if<!std::is_reference<T>::value>::type>
constexpr cstring Nameof(const char* name, std::size_t size, bool with_suffix) noexcept {
return NameofPretty({name, size}, with_suffix);
}
@ -313,14 +355,14 @@ NAMEOF_TYPE_CONSTEXPR detail::cstring NameofType() noexcept {
} // namespace nameof
// Used to obtain the simple (unqualified) string name of a variable, member, function, macros.
#define NAMEOF(name) ::nameof::detail::Nameof<decltype(name)>(#name, (sizeof(#name) / sizeof(char)) - 1, false)
#define NAMEOF(...) ::nameof::detail::Nameof<decltype(__VA_ARGS__)>(#__VA_ARGS__, (sizeof(#__VA_ARGS__) / sizeof(char)) - 1, false)
// Used to obtain the full string name of a variable, member, function, macros.
#define NAMEOF_FULL(name) ::nameof::detail::Nameof<decltype(name)>(#name, (sizeof(#name) / sizeof(char)) - 1, true)
#define NAMEOF_FULL(...) ::nameof::detail::Nameof<decltype(__VA_ARGS__)>(#__VA_ARGS__, (sizeof(#__VA_ARGS__) / sizeof(char)) - 1, true)
// Used to obtain the raw string name of a variable, member, function, macros.
#define NAMEOF_RAW(name) ::nameof::detail::NameofRaw<decltype(name)>(#name, (sizeof(#name) / sizeof(char)) - 1)
#define NAMEOF_RAW(...) ::nameof::detail::NameofRaw<decltype(__VA_ARGS__)>(#__VA_ARGS__, (sizeof(#__VA_ARGS__) / sizeof(char)) - 1)
// Used to obtain the string name of a type.
#define NAMEOF_TYPE(var) ::nameof::NameofType<decltype(var)>()
#define NAMEOF_TYPE_T(type) ::nameof::NameofType<type>()
#define NAMEOF_TYPE(...) ::nameof::NameofType<decltype(__VA_ARGS__)>()
#define NAMEOF_TYPE_T(...) ::nameof::NameofType<__VA_ARGS__>()