forked from boostorg/fusion
95 lines
5.3 KiB
C++
95 lines
5.3 KiB
C++
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/*=============================================================================
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Copyright (c) 2001-2009 Joel de Guzman
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Copyright (c) 2007 Dan Marsden
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#if !defined(BOOST_FUSION_ADAPT_ASSOC_CLASS_OCTOBER_4_2009_840PM)
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#define BOOST_FUSION_ADAPT_ASSOC_CLASS_OCTOBER_4_2009_840PM
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#include <boost/fusion/support/tag_of_fwd.hpp>
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#include <boost/fusion/adapted/class/extension.hpp>
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#include <boost/fusion/adapted/class/class_iterator.hpp>
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#include <boost/fusion/adapted/class/detail/is_view_impl.hpp>
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#include <boost/fusion/adapted/class/detail/is_sequence_impl.hpp>
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#include <boost/fusion/adapted/class/detail/category_of_impl.hpp>
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#include <boost/fusion/adapted/class/detail/begin_impl.hpp>
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#include <boost/fusion/adapted/class/detail/end_impl.hpp>
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#include <boost/fusion/adapted/class/detail/size_impl.hpp>
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#include <boost/fusion/adapted/class/detail/at_impl.hpp>
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#include <boost/fusion/adapted/class/detail/value_at_impl.hpp>
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#include <boost/fusion/adapted/class/detail/has_key_impl.hpp>
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#include <boost/fusion/adapted/class/detail/at_key_impl.hpp>
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#include <boost/fusion/adapted/class/detail/value_at_key_impl.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/preprocessor/punctuation/comma_if.hpp>
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#include <boost/preprocessor/seq/for_each_i.hpp>
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#include <boost/preprocessor/tuple/elem.hpp>
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#include <boost/preprocessor/repetition/enum_params_with_a_default.hpp>
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#include <boost/preprocessor/repetition/enum_params.hpp>
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#include <boost/preprocessor/cat.hpp>
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#include <boost/mpl/int.hpp>
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#include <boost/config/no_tr1/utility.hpp>
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namespace boost { namespace fusion { namespace extension {
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template<typename Class, typename Key>
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struct class_assoc_member;
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}}}
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#define BOOST_FUSION_ADAPT_ASSOC_CLASS(name, bseq) \
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BOOST_FUSION_ADAPT_ASSOC_CLASS_I( \
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name, BOOST_PP_CAT(BOOST_FUSION_ADAPT_ASSOC_CLASS_X bseq, 0)) \
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/***/
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#define BOOST_FUSION_ADAPT_ASSOC_CLASS_X(x, y, z) ((x, y, z)) BOOST_FUSION_ADAPT_ASSOC_CLASS_Y
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#define BOOST_FUSION_ADAPT_ASSOC_CLASS_Y(x, y, z) ((x, y, z)) BOOST_FUSION_ADAPT_ASSOC_CLASS_X
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#define BOOST_FUSION_ADAPT_ASSOC_CLASS_X0
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#define BOOST_FUSION_ADAPT_ASSOC_CLASS_Y0
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// BOOST_FUSION_ADAPT_ASSOC_CLASS_I generates the overarching structure and uses
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// SEQ_FOR_EACH_I to generate the "linear" substructures.
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// Thanks to Paul Mensonides for the PP macro help
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#define BOOST_FUSION_ADAPT_ASSOC_CLASS_I(name, seq) \
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namespace boost { namespace fusion { namespace traits \
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{ \
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template <> \
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struct tag_of<name> \
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{ \
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typedef class_tag type; \
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}; \
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}}} \
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namespace boost { namespace fusion { namespace extension \
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{ \
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template <> \
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struct class_size<name> : mpl::int_<BOOST_PP_SEQ_SIZE(seq)> {}; \
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BOOST_PP_SEQ_FOR_EACH_I(BOOST_FUSION_ADAPT_ASSOC_CLASS_C, name, seq) \
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}}} \
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/***/
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#define BOOST_FUSION_ADAPT_ASSOC_CLASS_C(r, name, i, xy) \
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template <> \
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struct class_member<name, i> \
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{ \
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typedef BOOST_PP_TUPLE_ELEM(3, 0, xy) type; \
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static type& call(name& class_) \
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{ \
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return class_.BOOST_PP_TUPLE_ELEM(3, 1, xy); \
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}; \
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}; \
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template<> \
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struct class_assoc_member<name, BOOST_PP_TUPLE_ELEM(3, 2, xy)> \
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{ \
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typedef BOOST_PP_TUPLE_ELEM(3, 0, xy) type; \
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static type& call(name& class_) \
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{ \
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return class_.BOOST_PP_TUPLE_ELEM(3, 1, xy); \
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}; \
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};
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/***/
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#endif
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