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Diffstat (limited to 'boost/vmd/detail/parens.hpp')
| -rw-r--r-- | boost/vmd/detail/parens.hpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/boost/vmd/detail/parens.hpp b/boost/vmd/detail/parens.hpp new file mode 100644 index 0000000000..669b136d77 --- /dev/null +++ b/boost/vmd/detail/parens.hpp @@ -0,0 +1,54 @@ + +// (C) Copyright Edward Diener 2011-2015 +// Use, modification and distribution are subject to 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). + +#if !defined(BOOST_VMD_DETAIL_PARENS_HPP) +#define BOOST_VMD_DETAIL_PARENS_HPP + +#include <boost/preprocessor/control/iif.hpp> +#include <boost/preprocessor/punctuation/is_begin_parens.hpp> +#include <boost/preprocessor/variadic/elem.hpp> +#include <boost/vmd/empty.hpp> +#include <boost/vmd/detail/mods.hpp> +#include <boost/vmd/detail/parens_split.hpp> +#include <boost/vmd/detail/parens_common.hpp> + +#define BOOST_VMD_DETAIL_PARENS_PROCESS(vseq) \ + BOOST_PP_IIF \ + ( \ + BOOST_PP_IS_BEGIN_PARENS(vseq), \ + BOOST_VMD_DETAIL_BEGIN_PARENS, \ + BOOST_VMD_EMPTY \ + ) \ + (vseq) \ +/**/ + +#define BOOST_VMD_DETAIL_PARENS(...) \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_DETAIL_MODS_IS_RESULT_AFTER \ + ( \ + BOOST_VMD_DETAIL_NEW_MODS(BOOST_VMD_ALLOW_AFTER,__VA_ARGS__) \ + ), \ + BOOST_VMD_DETAIL_PARENS_SPLIT, \ + BOOST_VMD_DETAIL_PARENS_PROCESS \ + ) \ + (BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \ +/**/ + +#define BOOST_VMD_DETAIL_PARENS_D(d,...) \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_DETAIL_MODS_IS_RESULT_AFTER \ + ( \ + BOOST_VMD_DETAIL_NEW_MODS_D(d,BOOST_VMD_ALLOW_AFTER,__VA_ARGS__) \ + ), \ + BOOST_VMD_DETAIL_PARENS_SPLIT, \ + BOOST_VMD_DETAIL_PARENS_PROCESS \ + ) \ + (BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \ +/**/ + +#endif /* BOOST_VMD_DETAIL_PARENS_HPP */ |