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Diffstat (limited to 'boost/vmd/detail/list.hpp')
| -rw-r--r-- | boost/vmd/detail/list.hpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/boost/vmd/detail/list.hpp b/boost/vmd/detail/list.hpp new file mode 100644 index 0000000000..815471ba3c --- /dev/null +++ b/boost/vmd/detail/list.hpp @@ -0,0 +1,212 @@ + +// (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_LIST_HPP) +#define BOOST_VMD_DETAIL_LIST_HPP + +#include <boost/preprocessor/control/iif.hpp> +#include <boost/preprocessor/punctuation/is_begin_parens.hpp> +#include <boost/preprocessor/tuple/elem.hpp> +#include <boost/preprocessor/tuple/pop_back.hpp> +#include <boost/preprocessor/variadic/elem.hpp> +#include <boost/vmd/is_empty.hpp> +#include <boost/vmd/detail/empty_result.hpp> +#include <boost/vmd/detail/identifier.hpp> +#include <boost/vmd/detail/is_list.hpp> +#include <boost/vmd/detail/mods.hpp> +#include <boost/vmd/detail/parens.hpp> + +#define BOOST_VMD_DETAIL_LIST_CHECK_FOR_LIST(tuple) \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_DETAIL_IS_LIST \ + ( \ + BOOST_PP_TUPLE_ELEM \ + ( \ + 0, \ + tuple \ + ) \ + ), \ + tuple, \ + (,) \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_CHECK_FOR_LIST_D(d,tuple) \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_DETAIL_IS_LIST_D \ + ( \ + d, \ + BOOST_PP_TUPLE_ELEM \ + ( \ + 0, \ + tuple \ + ) \ + ), \ + tuple, \ + (,) \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_CHECK_RETURN(tuple) \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_IS_EMPTY \ + ( \ + BOOST_PP_TUPLE_ELEM \ + ( \ + 0, \ + tuple \ + ) \ + ), \ + BOOST_VMD_DETAIL_EMPTY_RESULT, \ + BOOST_VMD_DETAIL_LIST_CHECK_FOR_LIST \ + ) \ + (tuple) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_CHECK_RETURN_D(d,tuple) \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_IS_EMPTY \ + ( \ + BOOST_PP_TUPLE_ELEM \ + ( \ + 0, \ + tuple \ + ) \ + ), \ + BOOST_VMD_DETAIL_EMPTY_RESULT, \ + BOOST_VMD_DETAIL_LIST_CHECK_FOR_LIST_D \ + ) \ + (d,tuple) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_EMPTY_LIST(list) \ + BOOST_VMD_DETAIL_IDENTIFIER(list,BOOST_PP_NIL,BOOST_VMD_RETURN_AFTER,BOOST_VMD_RETURN_INDEX) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_EMPTY_LIST_D(d,list) \ + BOOST_VMD_DETAIL_IDENTIFIER_D(d,list,BOOST_PP_NIL,BOOST_VMD_RETURN_AFTER,BOOST_VMD_RETURN_INDEX) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_TUPLE(param) \ + BOOST_VMD_DETAIL_LIST_CHECK_RETURN \ + ( \ + BOOST_VMD_DETAIL_PARENS(param,BOOST_VMD_RETURN_AFTER) \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_TUPLE_D(d,param) \ + BOOST_VMD_DETAIL_LIST_CHECK_RETURN_D \ + ( \ + d, \ + BOOST_VMD_DETAIL_PARENS_D(d,param,BOOST_VMD_RETURN_AFTER) \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_EMPTY_PROCESS(tuple) \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_IS_EMPTY \ + ( \ + BOOST_PP_TUPLE_ELEM(0,tuple) \ + ), \ + (,), \ + tuple \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_EMPTY(list) \ + BOOST_VMD_DETAIL_LIST_EMPTY_PROCESS \ + ( \ + BOOST_VMD_DETAIL_LIST_EMPTY_LIST(list) \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_EMPTY_D(d,list) \ + BOOST_VMD_DETAIL_LIST_EMPTY_PROCESS \ + ( \ + BOOST_VMD_DETAIL_LIST_EMPTY_LIST_D(d,list) \ + ) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_PROCESS(list) \ + BOOST_PP_IIF \ + ( \ + BOOST_PP_IS_BEGIN_PARENS(list), \ + BOOST_VMD_DETAIL_LIST_TUPLE, \ + BOOST_VMD_DETAIL_LIST_EMPTY \ + ) \ + (list) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_SPLIT(list) \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_IS_EMPTY(list), \ + BOOST_VMD_DETAIL_EMPTY_RESULT, \ + BOOST_VMD_DETAIL_LIST_PROCESS \ + ) \ + (list) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_BEGIN(list) \ + BOOST_PP_TUPLE_ELEM(0,BOOST_VMD_DETAIL_LIST_SPLIT(list)) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_PROCESS_D(d,list) \ + BOOST_PP_IIF \ + ( \ + BOOST_PP_IS_BEGIN_PARENS(list), \ + BOOST_VMD_DETAIL_LIST_TUPLE_D, \ + BOOST_VMD_DETAIL_LIST_EMPTY_D \ + ) \ + (d,list) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_SPLIT_D(d,list) \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_IS_EMPTY(list), \ + BOOST_VMD_DETAIL_EMPTY_RESULT, \ + BOOST_VMD_DETAIL_LIST_PROCESS_D \ + ) \ + (d,list) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_BEGIN_D(d,list) \ + BOOST_PP_TUPLE_ELEM(0,BOOST_VMD_DETAIL_LIST_SPLIT_D(d,list)) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST_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_LIST_SPLIT_D, \ + BOOST_VMD_DETAIL_LIST_BEGIN_D \ + ) \ + (d,BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \ +/**/ + +#define BOOST_VMD_DETAIL_LIST(...) \ + BOOST_PP_IIF \ + ( \ + BOOST_VMD_DETAIL_MODS_IS_RESULT_AFTER \ + ( \ + BOOST_VMD_DETAIL_NEW_MODS(BOOST_VMD_ALLOW_AFTER,__VA_ARGS__) \ + ), \ + BOOST_VMD_DETAIL_LIST_SPLIT, \ + BOOST_VMD_DETAIL_LIST_BEGIN \ + ) \ + (BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \ +/**/ + +#endif /* BOOST_VMD_DETAIL_LIST_HPP */ |