ceph/src/boost/boost/coroutine/exceptions.hpp

   1
   2 //          Copyright Oliver Kowalke 2009.
   3 // Distributed under the Boost Software License, Version 1.0.
   4 //    (See accompanying file LICENSE_1_0.txt or copy at
   5 //          http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #ifndef BOOST_COROUTINES_EXCEPTIONS_H
   8 #define BOOST_COROUTINES_EXCEPTIONS_H
   9
  10 #include <stdexcept>
  11 #include <string>
  12
  13 #include <boost/config.hpp>
  14 #include <boost/detail/scoped_enum_emulation.hpp>
  15 #include <boost/system/error_code.hpp>
  16 #include <boost/system/system_error.hpp>
  17 #include <boost/type_traits/integral_constant.hpp>
  18
  19 #include <boost/coroutine/detail/config.hpp>
  20
  21 #ifdef BOOST_HAS_ABI_HEADERS
  22 #  include BOOST_ABI_PREFIX
  23 #endif
  24
  25 namespace boost {
  26 namespace coroutines {
  27 namespace detail {
  28
  29 struct forced_unwind {};
  30
  31 }
  32
  33 BOOST_SCOPED_ENUM_DECLARE_BEGIN(coroutine_errc)
  34 {
  35   no_data = 1
  36 }
  37 BOOST_SCOPED_ENUM_DECLARE_END(coroutine_errc)
  38
  39 BOOST_COROUTINES_DECL
  40 system::error_category const& coroutine_category() BOOST_NOEXCEPT;
  41
  42 }
  43
  44 namespace system {
  45
  46 template<>
  47 struct is_error_code_enum< coroutines::coroutine_errc > : public true_type
  48 {};
  49
  50 #ifdef BOOST_NO_CXX11_SCOPED_ENUMS
  51 template<>
  52 struct is_error_code_enum< coroutines::coroutine_errc::enum_type > : public true_type
  53 {};
  54 #endif
  55
  56 inline
  57 error_code make_error_code( coroutines::coroutine_errc e) //BOOST_NOEXCEPT
  58 {
  59     return error_code( underlying_cast< int >( e), coroutines::coroutine_category() );
  60 }
  61
  62 inline
  63 error_condition make_error_condition( coroutines::coroutine_errc e) //BOOST_NOEXCEPT
  64 {
  65     return error_condition( underlying_cast< int >( e), coroutines::coroutine_category() );
  66 }
  67
  68 }
  69
  70 namespace coroutines {
  71
  72 class coroutine_error : public std::logic_error
  73 {
  74 private:
  75     system::error_code  ec_;
  76
  77 public:
  78     coroutine_error( system::error_code ec) :
  79         logic_error( ec.message() ),
  80         ec_( ec)
  81     {}
  82
  83     system::error_code const& code() const BOOST_NOEXCEPT
  84     { return ec_; }
  85 };
  86
  87 class invalid_result : public coroutine_error
  88 {
  89 public:
  90     invalid_result() :
  91         coroutine_error(
  92             system::make_error_code(
  93                 coroutine_errc::no_data) )
  94     {}
  95 };
  96
  97 }}
  98
  99 #ifdef BOOST_HAS_ABI_HEADERS
 100 #  include BOOST_ABI_SUFFIX
 101 #endif
 102
 103 #endif // BOOST_COROUTINES_EXCEPTIONS_H