| 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/core/scoped_enum.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 >( v: 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 >( v: 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 | e: 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 |
| 104 |