projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /* |
| 2 | * Copyright Andrey Semashev 2007 - 2015. | |
| 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 | /*! | |
| 8 | * \file native_typeof.hpp | |
| 9 | * \author Andrey Semashev | |
| 10 | * \date 08.03.2009 | |
| 11 | * | |
| 12 | * This header is the Boost.Log library implementation, see the library documentation | |
| 13 | * at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html. | |
| 14 | */ | |
| 15 | ||
| 16 | #ifndef BOOST_LOG_DETAIL_NATIVE_TYPEOF_HPP_INCLUDED_ | |
| 17 | #define BOOST_LOG_DETAIL_NATIVE_TYPEOF_HPP_INCLUDED_ | |
| 18 | ||
| 19 | #include <boost/log/detail/config.hpp> | |
| 20 | ||
| 21 | #ifdef BOOST_HAS_PRAGMA_ONCE | |
| 22 | #pragma once | |
| 23 | #endif | |
| 24 | ||
| 25 | #if !defined(BOOST_NO_CXX11_DECLTYPE) | |
| 26 | ||
| 27 | namespace boost { | |
| 28 | ||
| 29 | BOOST_LOG_OPEN_NAMESPACE | |
| 30 | ||
| 31 | namespace aux { | |
| 32 | ||
| 33 | template< typename T > | |
| 34 | T get_root_type(T const&); | |
| 35 | ||
| 36 | } // namespace aux | |
| 37 | ||
| 38 | BOOST_LOG_CLOSE_NAMESPACE // namespace log | |
| 39 | ||
| 40 | } // namespace boost | |
| 41 | ||
| 42 | #define BOOST_LOG_TYPEOF(x) decltype(::boost::log::aux::get_root_type(x)) | |
| 43 | ||
| 44 | #elif defined(__COMO__) && defined(__GNUG__) | |
| 45 | ||
| 46 | #define BOOST_LOG_TYPEOF(x) typeof(x) | |
| 47 | ||
| 48 | #elif defined(__GNUC__) || defined(__MWERKS__) | |
| 49 | ||
| 50 | #define BOOST_LOG_TYPEOF(x) __typeof__(x) | |
| 51 | ||
| 52 | #endif | |
| 53 | ||
| 54 | ||
| 55 | #if !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) | |
| 56 | #define BOOST_LOG_AUTO(var, expr) auto var = (expr) | |
| 57 | #endif | |
| 58 | ||
| 59 | #if !defined(BOOST_LOG_AUTO) && defined(BOOST_LOG_TYPEOF) | |
| 60 | #define BOOST_LOG_AUTO(var, expr) BOOST_LOG_TYPEOF((expr)) var = (expr) | |
| 61 | #endif | |
| 62 | ||
| 63 | #endif // BOOST_LOG_DETAIL_NATIVE_TYPEOF_HPP_INCLUDED_ |