| /*============================================================================= |
| Copyright (c) 2013-2014 Damien Buhl |
| |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| ==============================================================================*/ |
| |
| #ifndef BOOST_FUSION_ADAPTED_ADT_DETAIL_ADAPT_BASE_ATTR_FILLER_HPP |
| #define BOOST_FUSION_ADAPTED_ADT_DETAIL_ADAPT_BASE_ATTR_FILLER_HPP |
| |
| #include <boost/config.hpp> |
| #include <boost/fusion/adapted/struct/detail/preprocessor/is_seq.hpp> |
| |
| #include <boost/preprocessor/arithmetic/sub.hpp> |
| #include <boost/preprocessor/control/if.hpp> |
| #include <boost/preprocessor/logical/or.hpp> |
| #include <boost/preprocessor/empty.hpp> |
| #include <boost/preprocessor/tuple/size.hpp> |
| #include <boost/preprocessor/tuple/elem.hpp> |
| #include <boost/preprocessor/facilities/is_empty.hpp> |
| #include <boost/preprocessor/variadic/to_seq.hpp> |
| #include <boost/preprocessor/variadic/to_tuple.hpp> |
| #include <boost/preprocessor/variadic/elem.hpp> |
| #include <boost/preprocessor/seq/for_each.hpp> |
| #include <boost/preprocessor/seq/push_front.hpp> |
| #include <boost/preprocessor/seq/rest_n.hpp> |
| |
| #include <boost/preprocessor/tuple/reverse.hpp> |
| |
| |
| #define BOOST_FUSION_ADAPT_ADT_WRAPPEDATTR_SIZE(ATTRIBUTE) \ |
| BOOST_PP_TUPLE_ELEM(2, 0, ATTRIBUTE) |
| |
| #define BOOST_FUSION_ADAPT_ADT_WRAPPEDATTR(ATTRIBUTE) \ |
| BOOST_PP_TUPLE_ELEM(2, 1, ATTRIBUTE) |
| |
| #if BOOST_PP_VARIADICS |
| |
| # define BOOST_FUSION_ADAPT_ADT_FILLER_0(...) \ |
| BOOST_FUSION_ADAPT_ADT_FILLER(__VA_ARGS__) \ |
| BOOST_FUSION_ADAPT_ADT_FILLER_1 |
| |
| # define BOOST_FUSION_ADAPT_ADT_FILLER_1(...) \ |
| BOOST_FUSION_ADAPT_ADT_FILLER(__VA_ARGS__) \ |
| BOOST_FUSION_ADAPT_ADT_FILLER_0 |
| |
| # define BOOST_FUSION_ADAPT_ADT_FILLER_0_END |
| # define BOOST_FUSION_ADAPT_ADT_FILLER_1_END |
| |
| # define BOOST_FUSION_ADAPT_ADT_FILLER(...) \ |
| BOOST_PP_IF( \ |
| BOOST_PP_OR( \ |
| BOOST_PP_IS_EMPTY(BOOST_PP_VARIADIC_ELEM(0, __VA_ARGS__)), \ |
| BOOST_PP_IS_EMPTY(BOOST_PP_VARIADIC_ELEM(1, __VA_ARGS__))), \ |
| BOOST_FUSION_ADAPT_ADT_WRAP_ATTR( \ |
| BOOST_PP_VARIADIC_ELEM(2, __VA_ARGS__), \ |
| BOOST_FUSION_WORKAROUND_VARIADIC_EMPTINESS_LAST_ELEM(__VA_ARGS__) \ |
| ), \ |
| BOOST_FUSION_ADAPT_ADT_WRAP_ATTR(__VA_ARGS__)) |
| |
| # define BOOST_FUSION_ADAPT_ADT_WRAP_ATTR(...) \ |
| ((BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), (__VA_ARGS__))) |
| |
| # define BOOST_FUSION_WORKAROUND_VARIADIC_EMPTINESS_LAST_ELEM(...) \ |
| BOOST_PP_SEQ_HEAD(BOOST_PP_SEQ_REST_N( \ |
| BOOST_PP_SUB(BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), 1), \ |
| BOOST_PP_VARIADIC_TO_SEQ(__VA_ARGS__))) |
| |
| #else // BOOST_PP_VARIADICS |
| |
| # define BOOST_FUSION_ADAPT_ADT_FILLER_0(A, B, C, D) \ |
| BOOST_FUSION_ADAPT_ADT_WRAP_ATTR(A,B,C,D) \ |
| BOOST_FUSION_ADAPT_ADT_FILLER_1 |
| |
| # define BOOST_FUSION_ADAPT_ADT_FILLER_1(A, B, C, D) \ |
| BOOST_FUSION_ADAPT_ADT_WRAP_ATTR(A,B,C,D) \ |
| BOOST_FUSION_ADAPT_ADT_FILLER_0 |
| |
| # define BOOST_FUSION_ADAPT_ADT_FILLER_0_END |
| # define BOOST_FUSION_ADAPT_ADT_FILLER_1_END |
| |
| # define BOOST_FUSION_ADAPT_ADT_WRAP_ATTR(A, B, C, D) \ |
| BOOST_PP_IF(BOOST_PP_IS_EMPTY(A), \ |
| ((2, (C,D))), \ |
| ((4, (A,B,C,D))) \ |
| ) |
| |
| #endif // BOOST_PP_VARIADICS |
| |
| #endif |