| 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 | #include "boost/coroutine/exceptions.hpp" |
| 8 | |
| 9 | namespace boost { |
| 10 | namespace coroutines { |
| 11 | |
| 12 | class coroutine_error_category : public system::error_category |
| 13 | { |
| 14 | public: |
| 15 | virtual const char* name() const BOOST_NOEXCEPT |
| 16 | { return "coroutine"; } |
| 17 | |
| 18 | virtual std::string message( int ev) const |
| 19 | { |
| 20 | switch (BOOST_SCOPED_ENUM_NATIVE(coroutine_errc)(ev)) |
| 21 | { |
| 22 | case coroutine_errc::no_data: |
| 23 | return std::string("Operation not permitted because coroutine " |
| 24 | "has no valid result."); |
| 25 | } |
| 26 | return std::string("unspecified coroutine_errc value\n"); |
| 27 | } |
| 28 | }; |
| 29 | |
| 30 | BOOST_COROUTINES_DECL |
| 31 | system::error_category const& coroutine_category() BOOST_NOEXCEPT |
| 32 | { |
| 33 | static coroutines::coroutine_error_category cat; |
| 34 | return cat; |
| 35 | } |
| 36 | |
| 37 | }} |
| 38 |