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1 | |
2 | // (C) Copyright Edward Diener 2011-2015 | |
3 | // Use, modification and distribution are subject to the Boost Software License, | |
4 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt). | |
6 | ||
7 | #if !defined(BOOST_VMD_DETAIL_PARENS_HPP) | |
8 | #define BOOST_VMD_DETAIL_PARENS_HPP | |
9 | ||
10 | #include <boost/preprocessor/control/iif.hpp> | |
11 | #include <boost/preprocessor/punctuation/is_begin_parens.hpp> | |
12 | #include <boost/preprocessor/variadic/elem.hpp> | |
13 | #include <boost/vmd/empty.hpp> | |
14 | #include <boost/vmd/detail/mods.hpp> | |
15 | #include <boost/vmd/detail/parens_split.hpp> | |
16 | #include <boost/vmd/detail/parens_common.hpp> | |
17 | ||
18 | #define BOOST_VMD_DETAIL_PARENS_PROCESS(vseq) \ | |
19 | BOOST_PP_IIF \ | |
20 | ( \ | |
21 | BOOST_PP_IS_BEGIN_PARENS(vseq), \ | |
22 | BOOST_VMD_DETAIL_BEGIN_PARENS, \ | |
23 | BOOST_VMD_EMPTY \ | |
24 | ) \ | |
25 | (vseq) \ | |
26 | /**/ | |
27 | ||
28 | #define BOOST_VMD_DETAIL_PARENS(...) \ | |
29 | BOOST_PP_IIF \ | |
30 | ( \ | |
31 | BOOST_VMD_DETAIL_MODS_IS_RESULT_AFTER \ | |
32 | ( \ | |
33 | BOOST_VMD_DETAIL_NEW_MODS(BOOST_VMD_ALLOW_AFTER,__VA_ARGS__) \ | |
34 | ), \ | |
35 | BOOST_VMD_DETAIL_PARENS_SPLIT, \ | |
36 | BOOST_VMD_DETAIL_PARENS_PROCESS \ | |
37 | ) \ | |
38 | (BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \ | |
39 | /**/ | |
40 | ||
41 | #define BOOST_VMD_DETAIL_PARENS_D(d,...) \ | |
42 | BOOST_PP_IIF \ | |
43 | ( \ | |
44 | BOOST_VMD_DETAIL_MODS_IS_RESULT_AFTER \ | |
45 | ( \ | |
46 | BOOST_VMD_DETAIL_NEW_MODS_D(d,BOOST_VMD_ALLOW_AFTER,__VA_ARGS__) \ | |
47 | ), \ | |
48 | BOOST_VMD_DETAIL_PARENS_SPLIT, \ | |
49 | BOOST_VMD_DETAIL_PARENS_PROCESS \ | |
50 | ) \ | |
51 | (BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \ | |
52 | /**/ | |
53 | ||
54 | #endif /* BOOST_VMD_DETAIL_PARENS_HPP */ |