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160 lines
4.7 KiB
160 lines
4.7 KiB
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#ifndef BOOST_MPL_AUX_INSERTER_ALGORITHM_HPP_INCLUDED
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#define BOOST_MPL_AUX_INSERTER_ALGORITHM_HPP_INCLUDED
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// Copyright Aleksey Gurtovoy 2003-2004
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// Copyright David Abrahams 2003-2004
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/mpl for documentation.
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// $Id$
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// $Date$
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// $Revision$
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#include <boost/mpl/back_inserter.hpp>
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#include <boost/mpl/front_inserter.hpp>
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#include <boost/mpl/push_back.hpp>
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#include <boost/mpl/push_front.hpp>
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#include <boost/mpl/back_inserter.hpp>
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#include <boost/mpl/front_inserter.hpp>
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#include <boost/mpl/clear.hpp>
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#include <boost/mpl/eval_if.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/mpl/aux_/na.hpp>
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#include <boost/mpl/aux_/common_name_wknd.hpp>
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#include <boost/mpl/aux_/na_spec.hpp>
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#include <boost/mpl/aux_/preprocessor/params.hpp>
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#include <boost/mpl/aux_/preprocessor/default_params.hpp>
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#include <boost/mpl/aux_/config/ctps.hpp>
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#include <boost/preprocessor/arithmetic/dec.hpp>
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#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
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# define BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(arity, name) \
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BOOST_MPL_AUX_COMMON_NAME_WKND(name) \
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template< \
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BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \
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> \
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struct name \
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: aux::name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \
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{ \
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}; \
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\
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template< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \
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> \
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struct name< BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P),na > \
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: if_< has_push_back< typename clear<P1>::type> \
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, aux::name##_impl< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
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, back_inserter< typename clear<P1>::type > \
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> \
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, aux::reverse_##name##_impl< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
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, front_inserter< typename clear<P1>::type > \
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> \
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>::type \
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{ \
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}; \
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\
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template< \
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BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \
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> \
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struct reverse_##name \
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: aux::reverse_##name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \
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{ \
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}; \
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\
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template< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \
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> \
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struct reverse_##name< BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P),na > \
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: if_< has_push_back<P1> \
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, aux::reverse_##name##_impl< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
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, back_inserter< typename clear<P1>::type > \
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> \
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, aux::name##_impl< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
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, front_inserter< typename clear<P1>::type > \
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> \
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>::type \
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{ \
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}; \
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BOOST_MPL_AUX_NA_SPEC(arity, name) \
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BOOST_MPL_AUX_NA_SPEC(arity, reverse_##name) \
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/**/
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#else
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# define BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(arity, name) \
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BOOST_MPL_AUX_COMMON_NAME_WKND(name) \
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template< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \
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> \
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struct def_##name##_impl \
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: if_< has_push_back<P1> \
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, aux::name##_impl< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
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, back_inserter< typename clear<P1>::type > \
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> \
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, aux::reverse_##name##_impl< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
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, front_inserter< typename clear<P1>::type > \
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> \
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>::type \
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{ \
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}; \
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\
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template< \
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BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \
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> \
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struct name \
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{ \
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typedef typename eval_if< \
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is_na<BOOST_PP_CAT(P, arity)> \
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, def_##name##_impl<BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P)> \
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, aux::name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \
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>::type type; \
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}; \
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\
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template< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), typename P) \
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> \
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struct def_reverse_##name##_impl \
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: if_< has_push_back<P1> \
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, aux::reverse_##name##_impl< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
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, back_inserter< typename clear<P1>::type > \
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> \
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, aux::name##_impl< \
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BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P) \
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, front_inserter< typename clear<P1>::type > \
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> \
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>::type \
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{ \
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}; \
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template< \
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BOOST_MPL_PP_DEFAULT_PARAMS(arity, typename P, na) \
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> \
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struct reverse_##name \
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{ \
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typedef typename eval_if< \
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is_na<BOOST_PP_CAT(P, arity)> \
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, def_reverse_##name##_impl<BOOST_MPL_PP_PARAMS(BOOST_PP_DEC(arity), P)> \
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, aux::reverse_##name##_impl<BOOST_MPL_PP_PARAMS(arity, P)> \
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>::type type; \
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}; \
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BOOST_MPL_AUX_NA_SPEC(arity, name) \
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BOOST_MPL_AUX_NA_SPEC(arity, reverse_##name) \
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/**/
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#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
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#endif // BOOST_MPL_AUX_INSERTER_ALGORITHM_HPP_INCLUDED
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