ceph/src/boost/libs/stacktrace/example/user_config.hpp

   1 // Copyright Antony Polukhin, 2016-2017.
   2 //
   3 // Distributed under the Boost Software License, Version 1.0. (See
   4 // accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6
   7
   8 //[getting_started_user_config
   9 #ifndef USER_CONFIG_HPP
  10 #define USER_CONFIG_HPP
  11
  12 #include <boost/stacktrace/stacktrace_fwd.hpp>
  13
  14 #include <iosfwd>
  15
  16 namespace boost { namespace stacktrace {
  17
  18 template <class CharT, class TraitsT, class Allocator>
  19 std::basic_ostream<CharT, TraitsT>& do_stream_st(std::basic_ostream<CharT, TraitsT>& os, const basic_stacktrace<Allocator>& bt);
  20
  21 template <class CharT, class TraitsT>
  22 std::basic_ostream<CharT, TraitsT>& operator<<(std::basic_ostream<CharT, TraitsT>& os, const stacktrace& bt) {
  23     return do_stream_st(os, bt);
  24 }
  25
  26 }}  // namespace boost::stacktrace
  27 #endif // USER_CONFIG_HPP
  28 //]
  29
  30 #ifndef USER_CONFIG2_HPP
  31 #define USER_CONFIG2_HPP
  32 //[getting_started_user_config_impl
  33 namespace boost { namespace stacktrace {
  34
  35 template <class CharT, class TraitsT, class Allocator>
  36 std::basic_ostream<CharT, TraitsT>& do_stream_st(std::basic_ostream<CharT, TraitsT>& os, const basic_stacktrace<Allocator>& bt) {
  37     const std::streamsize w = os.width();
  38     const std::size_t frames = bt.size();
  39     for (std::size_t i = 0; i < frames; ++i) {
  40         os.width(2);
  41         os << i;
  42         os.width(w);
  43         os << "# ";
  44         os << bt[i].name();
  45         os << '\n';
  46     }
  47
  48     return os;
  49 }
  50
  51 }}  // namespace boost::stacktrace
  52 //]
  53
  54 #endif // USER_CONFIG2_HPP
  55