| |
| // Copyright Oliver Kowalke 2009. |
| // Distributed under the Boost Software License, Version 1.0. |
| // (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| #ifndef BOOST_COROUTINES_EXCEPTIONS_H |
| #define BOOST_COROUTINES_EXCEPTIONS_H |
| |
| #include <stdexcept> |
| #include <string> |
| |
| #include <boost/config.hpp> |
| #include <boost/detail/scoped_enum_emulation.hpp> |
| #include <boost/system/error_code.hpp> |
| #include <boost/system/system_error.hpp> |
| #include <boost/type_traits/integral_constant.hpp> |
| |
| #include <boost/coroutine/detail/config.hpp> |
| |
| #ifdef BOOST_HAS_ABI_HEADERS |
| # include BOOST_ABI_PREFIX |
| #endif |
| |
| namespace boost { |
| namespace coroutines { |
| namespace detail { |
| |
| struct forced_unwind {}; |
| |
| } |
| |
| BOOST_SCOPED_ENUM_DECLARE_BEGIN(coroutine_errc) |
| { |
| no_data = 1 |
| } |
| BOOST_SCOPED_ENUM_DECLARE_END(coroutine_errc) |
| |
| BOOST_COROUTINES_DECL system::error_category const& coroutine_category() BOOST_NOEXCEPT; |
| |
| } |
| |
| namespace system { |
| |
| template<> |
| struct is_error_code_enum< coroutines::coroutine_errc > : public true_type |
| {}; |
| |
| #ifdef BOOST_NO_CXX11_SCOPED_ENUMS |
| template<> |
| struct is_error_code_enum< coroutines::coroutine_errc::enum_type > : public true_type |
| {}; |
| #endif |
| |
| inline |
| error_code make_error_code( coroutines::coroutine_errc e) //BOOST_NOEXCEPT |
| { |
| return error_code( underlying_cast< int >( e), coroutines::coroutine_category() ); |
| } |
| |
| inline |
| error_condition make_error_condition( coroutines::coroutine_errc e) //BOOST_NOEXCEPT |
| { |
| return error_condition( underlying_cast< int >( e), coroutines::coroutine_category() ); |
| } |
| |
| } |
| |
| namespace coroutines { |
| |
| class coroutine_error : public std::logic_error |
| { |
| private: |
| system::error_code ec_; |
| |
| public: |
| coroutine_error( system::error_code ec) : |
| logic_error( ec.message() ), |
| ec_( ec) |
| {} |
| |
| system::error_code const& code() const BOOST_NOEXCEPT |
| { return ec_; } |
| |
| const char* what() const throw() |
| { return code().message().c_str(); } |
| }; |
| |
| class invalid_result : public coroutine_error |
| { |
| public: |
| invalid_result() : |
| coroutine_error( |
| system::make_error_code( |
| coroutine_errc::no_data) ) |
| {} |
| }; |
| |
| }} |
| |
| #ifdef BOOST_HAS_ABI_HEADERS |
| # include BOOST_ABI_SUFFIX |
| #endif |
| |
| #endif // BOOST_COROUTINES_EXCEPTIONS_H |