| 1 | // Copyright (c) 2023 Bela Schaum, X-Ryl669, Denis Mikhailov. |
| 2 | // |
| 3 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 4 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 5 | |
| 6 | |
| 7 | // Initial implementation by Bela Schaum, https://github.com/schaumb |
| 8 | // The way to make it union and UB free by X-Ryl669, https://github.com/X-Ryl669 |
| 9 | // |
| 10 | |
| 11 | #include <iostream> |
| 12 | |
| 13 | // This cpp file: |
| 14 | // * tests BOOST_PFR_CORE_NAME_PARSING macro |
| 15 | // * outputs full name of the function so that PFRs extraction of field name could be adjust to new compiler without requesting regression tester's help |
| 16 | #ifndef BOOST_PFR_CORE_NAME_PARSING |
| 17 | #define BOOST_PFR_CORE_NAME_PARSING (0,0,"") |
| 18 | #endif |
| 19 | |
| 20 | #include <boost/pfr/core_name.hpp> |
| 21 | |
| 22 | namespace user_defined_namespace { |
| 23 | struct user_defined_class { int user_defined_field; }; |
| 24 | } |
| 25 | |
| 26 | using namespace boost::pfr; |
| 27 | |
| 28 | // Cloned from core_name20_static.hpp but removed the sanity check |
| 29 | template <class T, std::size_t I> |
| 30 | inline constexpr auto no_check_stored_name_of_field = detail::name_of_field_impl<T, |
| 31 | detail::make_clang_wrapper(std::addressof(detail::sequence_tuple::get<I>( |
| 32 | detail::tie_as_tuple(detail::fake_object<T>()) |
| 33 | ))) |
| 34 | >(); |
| 35 | |
| 36 | int main() |
| 37 | { |
| 38 | std::cout << "user_defined_namespace::user_defined_class::user_defined_field: " |
| 39 | << no_check_stored_name_of_field<user_defined_namespace::user_defined_class, 0>.data() << '\n'; |
| 40 | |
| 41 | |
| 42 | return 0; |
| 43 | } |
| 44 | |
| 45 | |