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| author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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| committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
| commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
| tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/utility/base_from_member.hpp | |
| download | swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 | |
Import.
Diffstat (limited to '3rdParty/Boost/boost/utility/base_from_member.hpp')
| -rw-r--r-- | 3rdParty/Boost/boost/utility/base_from_member.hpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/utility/base_from_member.hpp b/3rdParty/Boost/boost/utility/base_from_member.hpp new file mode 100644 index 0000000..04aabb5 --- /dev/null +++ b/3rdParty/Boost/boost/utility/base_from_member.hpp @@ -0,0 +1,87 @@ +// boost utility/base_from_member.hpp header file --------------------------// + +// Copyright 2001, 2003, 2004 Daryle Walker. Use, modification, and +// distribution are subject to the Boost Software License, Version 1.0. (See +// accompanying file LICENSE_1_0.txt or a copy at +// <http://www.boost.org/LICENSE_1_0.txt>.) + +// See <http://www.boost.org/libs/utility/> for the library's home page. + +#ifndef BOOST_UTILITY_BASE_FROM_MEMBER_HPP +#define BOOST_UTILITY_BASE_FROM_MEMBER_HPP + +#include <boost/preprocessor/arithmetic/inc.hpp> +#include <boost/preprocessor/repetition/enum_binary_params.hpp> +#include <boost/preprocessor/repetition/enum_params.hpp> +#include <boost/preprocessor/repetition/repeat_from_to.hpp> + + +// Base-from-member arity configuration macro ------------------------------// + +// The following macro determines how many arguments will be in the largest +// constructor template of base_from_member. Constructor templates will be +// generated from one argument to this maximum. Code from other files can read +// this number if they need to always match the exact maximum base_from_member +// uses. The maximum constructor length can be changed by overriding the +// #defined constant. Make sure to apply the override, if any, for all source +// files during project compiling for consistency. + +// Contributed by Jonathan Turkanis + +#ifndef BOOST_BASE_FROM_MEMBER_MAX_ARITY +#define BOOST_BASE_FROM_MEMBER_MAX_ARITY 10 +#endif + + +// An iteration of a constructor template for base_from_member -------------// + +// A macro that should expand to: +// template < typename T1, ..., typename Tn > +// base_from_member( T1 x1, ..., Tn xn ) +// : member( x1, ..., xn ) +// {} +// This macro should only persist within this file. + +#define BOOST_PRIVATE_CTR_DEF( z, n, data ) \ + template < BOOST_PP_ENUM_PARAMS(n, typename T) > \ + explicit base_from_member( BOOST_PP_ENUM_BINARY_PARAMS(n, T, x) ) \ + : member( BOOST_PP_ENUM_PARAMS(n, x) ) \ + {} \ + /**/ + + +namespace boost +{ + +// Base-from-member class template -----------------------------------------// + +// Helper to initialize a base object so a derived class can use this +// object in the initialization of another base class. Used by +// Dietmar Kuehl from ideas by Ron Klatcho to solve the problem of a +// base class needing to be initialized by a member. + +// Contributed by Daryle Walker + +template < typename MemberType, int UniqueID = 0 > +class base_from_member +{ +protected: + MemberType member; + + base_from_member() + : member() + {} + + BOOST_PP_REPEAT_FROM_TO( 1, BOOST_PP_INC(BOOST_BASE_FROM_MEMBER_MAX_ARITY), + BOOST_PRIVATE_CTR_DEF, _ ) + +}; // boost::base_from_member + +} // namespace boost + + +// Undo any private macros +#undef BOOST_PRIVATE_CTR_DEF + + +#endif // BOOST_UTILITY_BASE_FROM_MEMBER_HPP |