1 | # /* ************************************************************************** |
2 | # * * |
3 | # * (C) Copyright Paul Mensonides 2002. |
4 | # * Distributed under the Boost Software License, Version 1.0. (See |
5 | # * accompanying file LICENSE_1_0.txt or copy at |
6 | # * http://www.boost.org/LICENSE_1_0.txt) |
7 | # * * |
8 | # ************************************************************************** */ |
9 | # |
10 | # /* See http://www.boost.org for most recent version. */ |
11 | # |
12 | # ifndef BOOST_PREPROCESSOR_SEQ_REVERSE_HPP |
13 | # define BOOST_PREPROCESSOR_SEQ_REVERSE_HPP |
14 | # |
15 | # include <boost/preprocessor/config/config.hpp> |
16 | # include <boost/preprocessor/facilities/empty.hpp> |
17 | # include <boost/preprocessor/seq/fold_left.hpp> |
18 | # |
19 | # /* BOOST_PP_SEQ_REVERSE */ |
20 | # |
21 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
22 | # define BOOST_PP_SEQ_REVERSE(seq) BOOST_PP_SEQ_FOLD_LEFT(BOOST_PP_SEQ_REVERSE_O, BOOST_PP_EMPTY, seq)() |
23 | # else |
24 | # define BOOST_PP_SEQ_REVERSE(seq) BOOST_PP_SEQ_REVERSE_I(seq) |
25 | # define BOOST_PP_SEQ_REVERSE_I(seq) BOOST_PP_SEQ_FOLD_LEFT(BOOST_PP_SEQ_REVERSE_O, BOOST_PP_EMPTY, seq)() |
26 | # endif |
27 | # |
28 | # define BOOST_PP_SEQ_REVERSE_O(s, state, elem) (elem) state |
29 | # |
30 | # /* BOOST_PP_SEQ_REVERSE_S */ |
31 | # |
32 | # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG() |
33 | # define BOOST_PP_SEQ_REVERSE_S(s, seq) BOOST_PP_SEQ_FOLD_LEFT_ ## s(BOOST_PP_SEQ_REVERSE_O, BOOST_PP_EMPTY, seq)() |
34 | # else |
35 | # define BOOST_PP_SEQ_REVERSE_S(s, seq) BOOST_PP_SEQ_REVERSE_S_I(s, seq) |
36 | # define BOOST_PP_SEQ_REVERSE_S_I(s, seq) BOOST_PP_SEQ_FOLD_LEFT_ ## s(BOOST_PP_SEQ_REVERSE_O, BOOST_PP_EMPTY, seq)() |
37 | # endif |
38 | # |
39 | # endif |
40 | |