ceph/src/boost/boost/preprocessor/list/size.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_SIZE_HPP
  15 # define BOOST_PREPROCESSOR_LIST_SIZE_HPP
  16 #
  17 # include <boost/preprocessor/config/config.hpp>
  18 #
  19 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  20 #
  21 # include <boost/preprocessor/arithmetic/inc.hpp>
  22 # include <boost/preprocessor/control/while.hpp>
  23 # include <boost/preprocessor/list/adt.hpp>
  24 # include <boost/preprocessor/tuple/elem.hpp>
  25 # include <boost/preprocessor/tuple/rem.hpp>
  26 #
  27 # /* BOOST_PP_LIST_SIZE */
  28 #
  29 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  30 #    define BOOST_PP_LIST_SIZE(list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (0, list)))
  31 # else
  32 #    define BOOST_PP_LIST_SIZE(list) BOOST_PP_LIST_SIZE_I(list)
  33 #    define BOOST_PP_LIST_SIZE_I(list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (0, list)))
  34 # endif
  35 #
  36 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  37 #    define BOOST_PP_LIST_SIZE_P(d, rl) BOOST_PP_LIST_IS_CONS(BOOST_PP_TUPLE_ELEM(2, 1, rl))
  38 # else
  39 #    define BOOST_PP_LIST_SIZE_P(d, rl) BOOST_PP_LIST_SIZE_P_I(BOOST_PP_TUPLE_REM_2 rl)
  40 #    define BOOST_PP_LIST_SIZE_P_I(im) BOOST_PP_LIST_SIZE_P_II(im)
  41 #    define BOOST_PP_LIST_SIZE_P_II(r, l) BOOST_PP_LIST_IS_CONS(l)
  42 # endif
  43 #
  44 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  45 #    define BOOST_PP_LIST_SIZE_O(d, rl) (BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(2, 0, rl)), BOOST_PP_LIST_REST(BOOST_PP_TUPLE_ELEM(2, 1, rl)))
  46 # else
  47 #    define BOOST_PP_LIST_SIZE_O(d, rl) BOOST_PP_LIST_SIZE_O_I(BOOST_PP_TUPLE_REM_2 rl)
  48 #    define BOOST_PP_LIST_SIZE_O_I(im) BOOST_PP_LIST_SIZE_O_II(im)
  49 #    define BOOST_PP_LIST_SIZE_O_II(r, l) (BOOST_PP_INC(r), BOOST_PP_LIST_REST(l))
  50 # endif
  51 #
  52 # /* BOOST_PP_LIST_SIZE_D */
  53 #
  54 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  55 #    define BOOST_PP_LIST_SIZE_D(d, list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (0, list)))
  56 # else
  57 #    define BOOST_PP_LIST_SIZE_D(d, list) BOOST_PP_LIST_SIZE_D_I(d, list)
  58 #    define BOOST_PP_LIST_SIZE_D_I(d, list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (0, list)))
  59 # endif
  60 #
  61 # else
  62 #
  63 # include <boost/preprocessor/arithmetic/inc.hpp>
  64 # include <boost/preprocessor/control/iif.hpp>
  65 # include <boost/preprocessor/control/while.hpp>
  66 # include <boost/preprocessor/facilities/identity.hpp>
  67 # include <boost/preprocessor/list/adt.hpp>
  68 # include <boost/preprocessor/tuple/elem.hpp>
  69 # include <boost/preprocessor/tuple/rem.hpp>
  70 #
  71 # /* BOOST_PP_LIST_SIZE */
  72 #
  73 #    define BOOST_PP_LIST_SIZE(list) BOOST_PP_IIF(BOOST_PP_LIST_IS_CONS(list),BOOST_PP_LIST_SIZE_S,BOOST_PP_IDENTITY_N(0,1))(list)
  74 #    define BOOST_PP_LIST_SIZE_S(list) BOOST_PP_LIST_SIZE_DO(BOOST_PP_LIST_REST(list))
  75 #
  76 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  77 #    define BOOST_PP_LIST_SIZE_DO(list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (1, list)))
  78 # else
  79 #    define BOOST_PP_LIST_SIZE_DO(list) BOOST_PP_LIST_SIZE_I(list)
  80 #    define BOOST_PP_LIST_SIZE_I(list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (1, list)))
  81 # endif
  82 #
  83 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  84 #    define BOOST_PP_LIST_SIZE_P(d, rl) BOOST_PP_LIST_IS_CONS(BOOST_PP_TUPLE_ELEM(2, 1, rl))
  85 # else
  86 #    define BOOST_PP_LIST_SIZE_P(d, rl) BOOST_PP_LIST_SIZE_P_I(BOOST_PP_TUPLE_REM_2 rl)
  87 #    define BOOST_PP_LIST_SIZE_P_I(im) BOOST_PP_LIST_SIZE_P_II(im)
  88 #    define BOOST_PP_LIST_SIZE_P_II(r, l) BOOST_PP_LIST_IS_CONS(l)
  89 # endif
  90 #
  91 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  92 #    define BOOST_PP_LIST_SIZE_O(d, rl) (BOOST_PP_INC(BOOST_PP_TUPLE_ELEM(2, 0, rl)), BOOST_PP_LIST_REST(BOOST_PP_TUPLE_ELEM(2, 1, rl)))
  93 # else
  94 #    define BOOST_PP_LIST_SIZE_O(d, rl) BOOST_PP_LIST_SIZE_O_I(BOOST_PP_TUPLE_REM_2 rl)
  95 #    define BOOST_PP_LIST_SIZE_O_I(im) BOOST_PP_LIST_SIZE_O_II(im)
  96 #    define BOOST_PP_LIST_SIZE_O_II(r, l) (BOOST_PP_INC(r), BOOST_PP_LIST_REST(l))
  97 # endif
  98 #
  99 # /* BOOST_PP_LIST_SIZE_D */
 100 #
 101 #    define BOOST_PP_LIST_SIZE_D(d, list) BOOST_PP_IIF(BOOST_PP_LIST_IS_CONS(list),BOOST_PP_LIST_SIZE_S_D,BOOST_PP_IDENTITY_N(0,2))(d,list)
 102 #    define BOOST_PP_LIST_SIZE_S_D(d,list) BOOST_PP_LIST_SIZE_DO_D(d,BOOST_PP_LIST_REST(list))
 103 #
 104 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
 105 #    define BOOST_PP_LIST_SIZE_DO_D(d, list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (1, list)))
 106 # else
 107 #    define BOOST_PP_LIST_SIZE_DO_D(d, list) BOOST_PP_LIST_SIZE_D_I(d, list)
 108 #    define BOOST_PP_LIST_SIZE_D_I(d, list) BOOST_PP_TUPLE_ELEM(2, 0, BOOST_PP_WHILE_ ## d(BOOST_PP_LIST_SIZE_P, BOOST_PP_LIST_SIZE_O, (1, list)))
 109 # endif
 110 #
 111 # endif
 112 #
 113 # endif