1 /*=============================================================================
2 Copyright (c) 2013-2014 Damien Buhl
4 Distributed under the Boost Software License, Version 1.0. (See accompanying
5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 ==============================================================================*/
8 #ifndef BOOST_FUSION_ADAPTED_STRUCT_DETAIL_ADAPT_BASE_ATTR_FILLER_HPP
9 #define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_ADAPT_BASE_ATTR_FILLER_HPP
11 #include <boost/config.hpp>
13 #include <boost/fusion/adapted/struct/detail/adapt_auto.hpp>
14 #include <boost/fusion/adapted/struct/detail/preprocessor/is_seq.hpp>
16 #include <boost/mpl/aux_/preprocessor/token_equal.hpp>
18 #include <boost/preprocessor/config/config.hpp>
19 #include <boost/preprocessor/control/iif.hpp>
20 #include <boost/preprocessor/control/expr_iif.hpp>
21 #include <boost/preprocessor/logical/compl.hpp>
22 #include <boost/preprocessor/tuple/elem.hpp>
23 #include <boost/preprocessor/seq/for_each.hpp>
24 #include <boost/preprocessor/seq/push_front.hpp>
25 #include <boost/preprocessor/facilities/expand.hpp>
26 #include <boost/preprocessor/facilities/is_empty.hpp>
29 #define BOOST_FUSION_ADAPT_STRUCT_FILLER_0(X, Y) \
30 BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(X,Y) \
31 BOOST_FUSION_ADAPT_STRUCT_FILLER_1
33 #define BOOST_FUSION_ADAPT_STRUCT_FILLER_1(X, Y) \
34 BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(X,Y) \
35 BOOST_FUSION_ADAPT_STRUCT_FILLER_0
37 #define BOOST_FUSION_ADAPT_STRUCT_FILLER_0_END
38 #define BOOST_FUSION_ADAPT_STRUCT_FILLER_1_END
40 #define BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(X, Y) \
41 BOOST_PP_IIF(BOOST_MPL_PP_TOKEN_EQUAL(auto, BOOST_PP_EXPAND(X)), \
46 #define BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR_SIZE(ATTRIBUTE) \
47 BOOST_PP_TUPLE_ELEM(2, 0, ATTRIBUTE)
49 #define BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR(ATTRIBUTE) \
50 BOOST_PP_TUPLE_ELEM(2, 1, ATTRIBUTE)
53 #if BOOST_PP_VARIADICS
55 # define BOOST_FUSION_ADAPT_STRUCT_ATTRIBUTES_FILLER_OP(r, unused, elem) \
56 BOOST_PP_IIF(BOOST_FUSION_PP_IS_SEQ(elem), \
57 BOOST_PP_CAT(BOOST_FUSION_ADAPT_STRUCT_FILLER_0 elem ,_END), \
58 BOOST_PP_EXPR_IIF(BOOST_PP_COMPL(BOOST_PP_IS_EMPTY(elem)), \
59 BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(auto, elem)))
61 # define BOOST_FUSION_ADAPT_STRUCT_ATTRIBUTES_FILLER(VA_ARGS_SEQ) \
62 BOOST_PP_SEQ_PUSH_FRONT( \
63 BOOST_PP_SEQ_FOR_EACH( \
64 BOOST_FUSION_ADAPT_STRUCT_ATTRIBUTES_FILLER_OP, \
65 unused, VA_ARGS_SEQ), \
68 #endif // BOOST_PP_VARIADICS