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fix enum name in class

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neargye 2023-05-30 12:54:20 +04:00
parent 930bcf0ba2
commit abf48fc20e
2 changed files with 26 additions and 17 deletions
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31
include/magic_enum.hpp
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@ -470,17 +470,12 @@ constexpr auto n() noexcept {
if constexpr (supported<decltype(V)>::value) {
#if defined(MAGIC_ENUM_GET_ENUM_NAME_BUILTIN)
constexpr auto name_ptr = MAGIC_ENUM_GET_ENUM_NAME_BUILTIN(V);
constexpr auto name = name_ptr ? str_view{name_ptr, std::char_traits<char>::length(name_ptr)} : str_view{};
auto name = name_ptr ? str_view{name_ptr, std::char_traits<char>::length(name_ptr)} : str_view{};
#elif defined(__clang__)
auto name = str_view{__PRETTY_FUNCTION__ + 34, sizeof(__PRETTY_FUNCTION__) - 36};
if (name.str_[0] == '(' || name.str_[0] == '-' || (name.str_[0] >= '0' && name.str_[0] <= '9')) {
name = str_view{};;
}
constexpr auto prefix = n<decltype(V)>().size();
if (name.size_ > prefix && name.str_[prefix] == ':') {
name.size_ -= (prefix + 2);
name.str_ += (prefix + 2);
}
#elif defined(__GNUC__)
auto name = str_view{__PRETTY_FUNCTION__, sizeof(__PRETTY_FUNCTION__) - 1};
if (name.str_[name.size_ - 1] == ']') {
@ -493,24 +488,26 @@ constexpr auto n() noexcept {
if (name.str_[0] == '(') {
name = str_view{};
}
#elif defined(_MSC_VER)
str_view name;
if ((__FUNCSIG__[5] == '_' && __FUNCSIG__[35] != '(') || (__FUNCSIG__[5] == 'c' && __FUNCSIG__[41] != '(')) {
name = str_view{__FUNCSIG__ + 35, sizeof(__FUNCSIG__) - 52};
}
#else
auto name = str_view{};
#endif
constexpr auto prefix = n<decltype(V)>().size();
if (name.size_ > prefix && name.str_[prefix] == ':') {
name.size_ -= (prefix + 2);
name.str_ += (prefix + 2);
}
#elif defined(_MSC_VER)
str_view name;
if ((__FUNCSIG__[5] == '_' && __FUNCSIG__[35] != '(') || (__FUNCSIG__[5] == 'c' && __FUNCSIG__[41] != '(')) {
name = str_view{__FUNCSIG__ + 35, sizeof(__FUNCSIG__) - 52};
constexpr auto prefix = n<decltype(V)>().size();
if (name.size_ > prefix && name.str_[prefix] == ':') {
name.size_ -= (prefix + 2);
name.str_ += (prefix + 2);
for (std::size_t i = 0; i < name.size_; ++i) {
if (name.str_[i] == ':') {
name.size_ -= (i + 2);
name.str_ += (i + 2);
break;
}
}
#else
auto name = str_view{};
#endif
return name;
} else {
return str_view{}; // Unsupported compiler or Invalid customize.

12
test/test.cpp
View file

@ -453,6 +453,14 @@ enum lt1 { s1, loooooooooooooooooooong1 };
enum lt2 : unsigned { s2, loooooooooooooooooooong2 };
enum class lt3 { s3, loooooooooooooooooooong3 };
enum class lt4 : unsigned { s4, loooooooooooooooooooong4 };
class foo1 {
public:
enum class lt5 { s5, loooooooooooooooooooong5 };
};
class foo2 {
public:
enum lt6 { s6, loooooooooooooooooooong6 };
};
TEST_CASE("enum_name") {
SECTION("automatic storage") {
@ -502,6 +510,10 @@ TEST_CASE("enum_name") {
REQUIRE(enum_name(lt3::loooooooooooooooooooong3) == "loooooooooooooooooooong3");
REQUIRE(enum_name(lt4::s4) == "s4");
REQUIRE(enum_name(lt4::loooooooooooooooooooong4) == "loooooooooooooooooooong4");
REQUIRE(enum_name(foo1::lt5::s5) == "s5");
REQUIRE(enum_name(foo1::lt5::loooooooooooooooooooong5) == "loooooooooooooooooooong5");
REQUIRE(enum_name(foo2::s6) == "s6");
REQUIRE(enum_name(foo2::loooooooooooooooooooong6) == "loooooooooooooooooooong6");
}
SECTION("static storage") {