boost/preprocessor/array/detail/get_data.hpp

   1 # /* **************************************************************************
   2 #  *                                                                          *
   3 #  *     (C) Copyright Edward Diener 2014.                                    *
   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_DETAIL_GET_DATA_HPP
  13 # define BOOST_PREPROCESSOR_ARRAY_DETAIL_GET_DATA_HPP
  14 #
  15 # include <boost/preprocessor/config/config.hpp>
  16 # include <boost/preprocessor/tuple/rem.hpp>
  17 # include <boost/preprocessor/control/if.hpp>
  18 # include <boost/preprocessor/control/iif.hpp>
  19 # include <boost/preprocessor/facilities/is_1.hpp>
  20 #
  21 # /* BOOST_PP_ARRAY_DETAIL_GET_DATA */
  22 #
  23 # define BOOST_PP_ARRAY_DETAIL_GET_DATA_NONE(size, data)
  24
  25 # if BOOST_PP_VARIADICS && !(BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400)
  26 #        if BOOST_PP_VARIADICS_MSVC
  27 #               define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY_VC_DEFAULT(size, data) BOOST_PP_TUPLE_REM(size) data
  28 #               define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY_VC_CAT(size, data) BOOST_PP_TUPLE_REM_CAT(size) data
  29 #               define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY(size, data) \
  30                         BOOST_PP_IIF \
  31                                 ( \
  32                                 BOOST_PP_IS_1(size), \
  33                                 BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY_VC_CAT, \
  34                                 BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY_VC_DEFAULT \
  35                                 ) \
  36                         (size,data) \
  37 /**/
  38 #    else
  39 #               define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY(size, data) BOOST_PP_TUPLE_REM(size) data
  40 #    endif
  41 # else
  42 #        define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY(size, data) BOOST_PP_TUPLE_REM(size) data
  43 # endif
  44
  45 # define BOOST_PP_ARRAY_DETAIL_GET_DATA(size, data) \
  46         BOOST_PP_IF \
  47                 ( \
  48                 size, \
  49                 BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY, \
  50                 BOOST_PP_ARRAY_DETAIL_GET_DATA_NONE \
  51                 ) \
  52         (size,data) \
  53 /**/
  54 #
  55 # endif /* BOOST_PREPROCESSOR_ARRAY_DETAIL_GET_DATA_HPP */