diff options
Diffstat (limited to 'boost/fusion/adapted/struct/detail/adapt_base_attr_filler.hpp')
| -rw-r--r-- | boost/fusion/adapted/struct/detail/adapt_base_attr_filler.hpp | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/boost/fusion/adapted/struct/detail/adapt_base_attr_filler.hpp b/boost/fusion/adapted/struct/detail/adapt_base_attr_filler.hpp new file mode 100644 index 0000000000..69d5b204ce --- /dev/null +++ b/boost/fusion/adapted/struct/detail/adapt_base_attr_filler.hpp @@ -0,0 +1,64 @@ +/*============================================================================= + 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_STRUCT_DETAIL_ADAPT_BASE_ATTR_FILLER_HPP +#define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_ADAPT_BASE_ATTR_FILLER_HPP + +#include <boost/config.hpp> +#include <boost/fusion/adapted/struct/detail/preprocessor/is_seq.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/seq/for_each.hpp> +#include <boost/preprocessor/seq/push_front.hpp> + + +#define BOOST_FUSION_ADAPT_STRUCT_FILLER_0(X, Y) \ + BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(X,Y) \ + BOOST_FUSION_ADAPT_STRUCT_FILLER_1 + +#define BOOST_FUSION_ADAPT_STRUCT_FILLER_1(X, Y) \ + BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(X,Y) \ + BOOST_FUSION_ADAPT_STRUCT_FILLER_0 + +#define BOOST_FUSION_ADAPT_STRUCT_FILLER_0_END +#define BOOST_FUSION_ADAPT_STRUCT_FILLER_1_END + +#define BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(X, Y) \ + BOOST_PP_IF(BOOST_PP_IS_EMPTY(X), \ + ((1, (Y))), \ + ((2, (X,Y))) \ + ) + +#define BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR_SIZE(ATTRIBUTE) \ + BOOST_PP_TUPLE_ELEM(2, 0, ATTRIBUTE) + +#define BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR(ATTRIBUTE) \ + BOOST_PP_TUPLE_ELEM(2, 1, ATTRIBUTE) + + +#if BOOST_PP_VARIADICS + +# define BOOST_FUSION_ADAPT_STRUCT_ATTRIBUTES_FILLER_OP(r, unused, elem) \ + BOOST_PP_IF(BOOST_FUSION_PP_IS_SEQ(elem), \ + BOOST_PP_CAT( BOOST_FUSION_ADAPT_STRUCT_FILLER_0 elem ,_END), \ + BOOST_FUSION_ADAPT_STRUCT_WRAP_ATTR(BOOST_FUSION_ADAPT_AUTO, \ + elem)) + +# define BOOST_FUSION_ADAPT_STRUCT_ATTRIBUTES_FILLER(...) \ + BOOST_PP_SEQ_PUSH_FRONT( \ + BOOST_PP_SEQ_FOR_EACH( \ + BOOST_FUSION_ADAPT_STRUCT_ATTRIBUTES_FILLER_OP, \ + unused, BOOST_PP_VARIADIC_TO_SEQ(__VA_ARGS__)), \ + (0,0)) + +#endif // BOOST_PP_VARIADICS + +#endif |