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Diffstat (limited to 'boost/outcome/policy/outcome_error_code_throw_as_system_error.hpp')
-rw-r--r-- | boost/outcome/policy/outcome_error_code_throw_as_system_error.hpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/boost/outcome/policy/outcome_error_code_throw_as_system_error.hpp b/boost/outcome/policy/outcome_error_code_throw_as_system_error.hpp new file mode 100644 index 0000000000..324be7bd11 --- /dev/null +++ b/boost/outcome/policy/outcome_error_code_throw_as_system_error.hpp @@ -0,0 +1,80 @@ +/* Policies for result and outcome +(C) 2017-2019 Niall Douglas <http://www.nedproductions.biz/> (59 commits) +File Created: Oct 2017 + + +Boost Software License - Version 1.0 - August 17th, 2003 + +Permission is hereby granted, free of charge, to any person or organization +obtaining a copy of the software and accompanying documentation covered by +this license (the "Software") to use, reproduce, display, distribute, +execute, and transmit the Software, and to prepare derivative works of the +Software, and to permit third-parties to whom the Software is furnished to +do so, all subject to the following: + +The copyright notices in the Software and this entire statement, including +the above license grant, this restriction and the following disclaimer, +must be included in all copies of the Software, in whole or in part, and +all derivative works of the Software, unless such copies or derivative +works are solely in the form of machine-executable object code generated by +a source language processor. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT +SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE +FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. +*/ + +#ifndef BOOST_OUTCOME_POLICY_OUTCOME_ERROR_CODE_THROW_AS_SYSTEM_ERROR_HPP +#define BOOST_OUTCOME_POLICY_OUTCOME_ERROR_CODE_THROW_AS_SYSTEM_ERROR_HPP + +#include "result_error_code_throw_as_system_error.hpp" + +BOOST_OUTCOME_V2_NAMESPACE_EXPORT_BEGIN + +namespace policy +{ + /*! AWAITING HUGO JSON CONVERSION TOOL +type definition error_code_throw_as_system_error. Potential doc page: NOT FOUND +*/ + template <class T, class EC, class E> struct error_code_throw_as_system_error : base + { + template <class Impl> static constexpr void wide_value_check(Impl &&self) + { + if(!base::_has_value(std::forward<Impl>(self))) + { + if(base::_has_exception(std::forward<Impl>(self))) + { + detail::_rethrow_exception<trait::is_exception_ptr_available<E>::value>{base::_exception<T, EC, E, error_code_throw_as_system_error>(std::forward<Impl>(self))}; // NOLINT + } + if(base::_has_error(std::forward<Impl>(self))) + { + // ADL discovered + outcome_throw_as_system_error_with_payload(base::_error(std::forward<Impl>(self))); + } + BOOST_OUTCOME_THROW_EXCEPTION(bad_outcome_access("no value")); // NOLINT + } + } + template <class Impl> static constexpr void wide_error_check(Impl &&self) + { + if(!base::_has_error(std::forward<Impl>(self))) + { + BOOST_OUTCOME_THROW_EXCEPTION(bad_outcome_access("no error")); // NOLINT + } + } + template <class Impl> static constexpr void wide_exception_check(Impl &&self) + { + if(!base::_has_exception(std::forward<Impl>(self))) + { + BOOST_OUTCOME_THROW_EXCEPTION(bad_outcome_access("no exception")); // NOLINT + } + } + }; +} // namespace policy + +BOOST_OUTCOME_V2_NAMESPACE_END + +#endif |