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