projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | #ifndef BOOST_SERIALIZATION_ASSUME_ABSTRACT_HPP |
| 2 | #define BOOST_SERIALIZATION_ASSUME_ABSTRACT_HPP | |
| 3 | ||
| 4 | // MS compatible compilers support #pragma once | |
| 5 | #if defined(_MSC_VER) | |
| 6 | # pragma once | |
| 7 | #endif | |
| 8 | ||
| 9 | /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
| 10 | // assume_abstract_class.hpp: | |
| 11 | ||
| 12 | // (C) Copyright 2008 Robert Ramey | |
| 13 | // Use, modification and distribution is subject to the Boost Software | |
| 14 | // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
| 15 | // http://www.boost.org/LICENSE_1_0.txt) | |
| 16 | ||
| 17 | // See http://www.boost.org for updates, documentation, and revision history. | |
| 18 | ||
| 19 | // this is useful for compilers which don't support the boost::is_abstract | |
| 20 | ||
| 21 | #include <boost/type_traits/is_abstract.hpp> | |
| 22 | #include <boost/mpl/bool_fwd.hpp> | |
| 23 | ||
| 24 | #ifndef BOOST_NO_IS_ABSTRACT | |
| 25 | ||
| 26 | // if there is an intrinsic is_abstract defined, we don't have to do anything | |
| 27 | #define BOOST_SERIALIZATION_ASSUME_ABSTRACT(T) | |
| 28 | ||
| 29 | // but forward to the "official" is_abstract | |
| 30 | namespace boost { | |
| 31 | namespace serialization { | |
| 32 | template<class T> | |
| 33 | struct is_abstract : boost::is_abstract< T > {} ; | |
| 34 | } // namespace serialization | |
| 35 | } // namespace boost | |
| 36 | ||
| 37 | #else | |
| 38 | // we have to "make" one | |
| 39 | ||
| 40 | namespace boost { | |
| 41 | namespace serialization { | |
| 42 | template<class T> | |
| 43 | struct is_abstract : boost::false_type {}; | |
| 44 | } // namespace serialization | |
| 45 | } // namespace boost | |
| 46 | ||
| 47 | // define a macro to make explicit designation of this more transparent | |
| 48 | #define BOOST_SERIALIZATION_ASSUME_ABSTRACT(T) \ | |
| 49 | namespace boost { \ | |
| 50 | namespace serialization { \ | |
| 51 | template<> \ | |
| 52 | struct is_abstract< T > : boost::true_type {}; \ | |
| 53 | template<> \ | |
| 54 | struct is_abstract< const T > : boost::true_type {}; \ | |
| 55 | }} \ | |
| 56 | /**/ | |
| 57 | ||
| 58 | #endif // BOOST_NO_IS_ABSTRACT | |
| 59 | ||
| 60 | #endif //BOOST_SERIALIZATION_ASSUME_ABSTRACT_HPP |