ceph/src/boost/libs/preprocessor/include/boost/preprocessor/list/reverse.hpp

   1 # /* Copyright (C) 2001
   2 #  * Housemarque Oy
   3 #  * http://www.housemarque.com
   4 #  *
   5 #  * Distributed under the Boost Software License, Version 1.0. (See
   6 #  * accompanying file LICENSE_1_0.txt or copy at
   7 #  * http://www.boost.org/LICENSE_1_0.txt)
   8 #  */
   9 #
  10 # /* Revised by Paul Mensonides (2002) */
  11 #
  12 # /* See http://www.boost.org for most recent version. */
  13 #
  14 # ifndef BOOST_PREPROCESSOR_LIST_REVERSE_HPP
  15 # define BOOST_PREPROCESSOR_LIST_REVERSE_HPP
  16 #
  17 # include <boost/preprocessor/config/config.hpp>
  18 # include <boost/preprocessor/list/fold_left.hpp>
  19 #
  20 # /* BOOST_PP_LIST_REVERSE */
  21 #
  22 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  23 #    define BOOST_PP_LIST_REVERSE(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list)
  24 # else
  25 #    define BOOST_PP_LIST_REVERSE(list) BOOST_PP_LIST_REVERSE_I(list)
  26 #    define BOOST_PP_LIST_REVERSE_I(list) BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list)
  27 # endif
  28 #
  29 # define BOOST_PP_LIST_REVERSE_O(d, s, x) (x, s)
  30 #
  31 # /* BOOST_PP_LIST_REVERSE_D */
  32 #
  33 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  34 #    define BOOST_PP_LIST_REVERSE_D(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list)
  35 # else
  36 #    define BOOST_PP_LIST_REVERSE_D(d, list) BOOST_PP_LIST_REVERSE_D_I(d, list)
  37 #    define BOOST_PP_LIST_REVERSE_D_I(d, list) BOOST_PP_LIST_FOLD_LEFT_ ## d(BOOST_PP_LIST_REVERSE_O, BOOST_PP_NIL, list)
  38 # endif
  39 #
  40 # endif