ceph/src/boost/libs/preprocessor/include/boost/preprocessor/array/remove.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_REMOVE_HPP
  13 # define BOOST_PREPROCESSOR_ARRAY_REMOVE_HPP
  14 #
  15 # include <boost/preprocessor/arithmetic/inc.hpp>
  16 # include <boost/preprocessor/array/elem.hpp>
  17 # include <boost/preprocessor/array/push_back.hpp>
  18 # include <boost/preprocessor/array/size.hpp>
  19 # include <boost/preprocessor/comparison/not_equal.hpp>
  20 # include <boost/preprocessor/control/deduce_d.hpp>
  21 # include <boost/preprocessor/control/iif.hpp>
  22 # include <boost/preprocessor/control/while.hpp>
  23 # include <boost/preprocessor/tuple/eat.hpp>
  24 # include <boost/preprocessor/tuple/elem.hpp>
  25 #
  26 # /* BOOST_PP_ARRAY_REMOVE */
  27 #
  28 # define BOOST_PP_ARRAY_REMOVE(array, i) BOOST_PP_ARRAY_REMOVE_I(BOOST_PP_DEDUCE_D(), array, i)
  29 # define BOOST_PP_ARRAY_REMOVE_I(d, array, i) BOOST_PP_ARRAY_REMOVE_D(d, array, i)
  30 #
  31 # /* BOOST_PP_ARRAY_REMOVE_D */
  32 #
  33 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  34 #    define BOOST_PP_ARRAY_REMOVE_D(d, array, i) BOOST_PP_TUPLE_ELEM(4, 2, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_REMOVE_P, BOOST_PP_ARRAY_REMOVE_O, (0, i, (0, ()), array)))
  35 # else
  36 #    define BOOST_PP_ARRAY_REMOVE_D(d, array, i) BOOST_PP_ARRAY_REMOVE_D_I(d, array, i)
  37 #    define BOOST_PP_ARRAY_REMOVE_D_I(d, array, i) BOOST_PP_TUPLE_ELEM(4, 2, BOOST_PP_WHILE_ ## d(BOOST_PP_ARRAY_REMOVE_P, BOOST_PP_ARRAY_REMOVE_O, (0, i, (0, ()), array)))
  38 # endif
  39 #
  40 # define BOOST_PP_ARRAY_REMOVE_P(d, st) BOOST_PP_NOT_EQUAL(BOOST_PP_TUPLE_ELEM(4, 0, st), BOOST_PP_ARRAY_SIZE(BOOST_PP_TUPLE_ELEM(4, 3, st)))
  41 #
  42 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  43 #    define BOOST_PP_ARRAY_REMOVE_O(d, st) BOOST_PP_ARRAY_REMOVE_O_I st
  44 # else
  45 #    define BOOST_PP_ARRAY_REMOVE_O(d, st) BOOST_PP_ARRAY_REMOVE_O_I(BOOST_PP_TUPLE_ELEM(4, 0, st), BOOST_PP_TUPLE_ELEM(4, 1, st), BOOST_PP_TUPLE_ELEM(4, 2, st), BOOST_PP_TUPLE_ELEM(4, 3, st))
  46 # endif
  47 #
  48 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_DMC()
  49 #    define BOOST_PP_ARRAY_REMOVE_O_I(n, i, res, arr) (BOOST_PP_INC(n), i, BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(n, i), BOOST_PP_ARRAY_PUSH_BACK, res BOOST_PP_TUPLE_EAT_2)(res, BOOST_PP_ARRAY_ELEM(n, arr)), arr)
  50 # else
  51 #    define BOOST_PP_ARRAY_REMOVE_O_I(n, i, res, arr) (BOOST_PP_INC(n), i, BOOST_PP_IIF(BOOST_PP_NOT_EQUAL(n, i), BOOST_PP_ARRAY_PUSH_BACK, BOOST_PP_TUPLE_ELEM_2_0)(res, BOOST_PP_ARRAY_ELEM(n, arr)), arr)
  52 # endif
  53 #
  54 # endif