source_location.hpp 1.4 KB

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  1. //
  2. // detail/source_location.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  6. //
  7. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  8. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  9. //
  10. #ifndef BOOST_ASIO_DETAIL_SOURCE_LOCATION_HPP
  11. #define BOOST_ASIO_DETAIL_SOURCE_LOCATION_HPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #include <boost/asio/detail/config.hpp>
  16. #if defined(BOOST_ASIO_HAS_SOURCE_LOCATION)
  17. #if defined(BOOST_ASIO_HAS_STD_SOURCE_LOCATION)
  18. # include <source_location>
  19. #elif defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
  20. # include <experimental/source_location>
  21. #else // defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
  22. # error BOOST_ASIO_HAS_SOURCE_LOCATION is set \
  23. but no source_location is available
  24. #endif // defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
  25. namespace boost {
  26. namespace asio {
  27. namespace detail {
  28. #if defined(BOOST_ASIO_HAS_STD_SOURCE_LOCATION)
  29. using std::source_location;
  30. #elif defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
  31. using std::experimental::source_location;
  32. #endif // defined(BOOST_ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
  33. } // namespace detail
  34. } // namespace asio
  35. } // namespace boost
  36. #endif // defined(BOOST_ASIO_HAS_SOURCE_LOCATION)
  37. #endif // BOOST_ASIO_DETAIL_SOURCE_LOCATION_HPP