ceph/src/boost/libs/preprocessor/include/boost/preprocessor/array/pop_back.hpp

   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_ARRAY_POP_BACK_HPP
  13 # define BOOST_PREPROCESSOR_ARRAY_POP_BACK_HPP
  14 #
  15 # include <boost/preprocessor/arithmetic/dec.hpp>
  16 # include <boost/preprocessor/array/elem.hpp>
  17 # include <boost/preprocessor/array/size.hpp>
  18 # include <boost/preprocessor/repetition/enum.hpp>
  19 # include <boost/preprocessor/repetition/deduce_z.hpp>
  20 #
  21 # /* BOOST_PP_ARRAY_POP_BACK */
  22 #
  23 # define BOOST_PP_ARRAY_POP_BACK(array) BOOST_PP_ARRAY_POP_BACK_Z(BOOST_PP_DEDUCE_Z(), array)
  24 #
  25 # /* BOOST_PP_ARRAY_POP_BACK_Z */
  26 #
  27 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  28 #    define BOOST_PP_ARRAY_POP_BACK_Z(z, array) BOOST_PP_ARRAY_POP_BACK_I(z, BOOST_PP_ARRAY_SIZE(array), array)
  29 # else
  30 #    define BOOST_PP_ARRAY_POP_BACK_Z(z, array) BOOST_PP_ARRAY_POP_BACK_Z_D(z, array)
  31 #    define BOOST_PP_ARRAY_POP_BACK_Z_D(z, array) BOOST_PP_ARRAY_POP_BACK_I(z, BOOST_PP_ARRAY_SIZE(array), array)
  32 # endif
  33 #
  34 # define BOOST_PP_ARRAY_POP_BACK_I(z, size, array) (BOOST_PP_DEC(size), (BOOST_PP_ENUM_ ## z(BOOST_PP_DEC(size), BOOST_PP_ARRAY_POP_BACK_M, array)))
  35 # define BOOST_PP_ARRAY_POP_BACK_M(z, n, data) BOOST_PP_ARRAY_ELEM(n, data)
  36 #
  37 # endif