/* Copyright 2003-2022 Joaquin M Lopez Munoz. * 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) * * See http://www.boost.org/libs/multi_index for library home page. */ #ifndef BOOST_MULTI_INDEX_DETAIL_ARCHIVE_CONSTRUCTED_HPP #define BOOST_MULTI_INDEX_DETAIL_ARCHIVE_CONSTRUCTED_HPP #if defined(_MSC_VER) #pragma once #endif #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ #include <boost/core/no_exceptions_support.hpp> #include <boost/core/noncopyable.hpp> #include <boost/serialization/serialization.hpp> #include <boost/type_traits/aligned_storage.hpp> #include <boost/type_traits/alignment_of.hpp> namespace boost{ namespace multi_index{ namespace detail{ /* constructs a stack-based object from a serialization archive */ template<typename T> struct archive_constructed:private noncopyable { template<class Archive> archive_constructed(Archive& ar,const unsigned int version) { serialization::load_construct_data_adl(ar,&get(),version); BOOST_TRY{ ar>>get(); } BOOST_CATCH(...){ (&get())->~T(); BOOST_RETHROW; } BOOST_CATCH_END } template<class Archive> archive_constructed(const char* name,Archive& ar,const unsigned int version) { serialization::load_construct_data_adl(ar,&get(),version); BOOST_TRY{ ar>>serialization::make_nvp(name,get()); } BOOST_CATCH(...){ (&get())->~T(); BOOST_RETHROW; } BOOST_CATCH_END } ~archive_constructed() { (&get())->~T(); } #include <boost/multi_index/detail/ignore_wstrict_aliasing.hpp> T& get(){return *reinterpret_cast<T*>(&space);} #include <boost/multi_index/detail/restore_wstrict_aliasing.hpp> private: typename aligned_storage<sizeof(T),alignment_of<T>::value>::type space; }; } /* namespace multi_index::detail */ } /* namespace multi_index */ } /* namespace boost */ #endif