boost/preprocessor/array/to_seq.hpp

   1 # /* **************************************************************************
   2 #  *                                                                          *
   3 #  *     (C) Copyright Edward Diener 2011.                                    *
   4 #  *     (C) Copyright Paul Mensonides 2011.                                  *
   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 #
  11 # /* See http://www.boost.org for most recent version. */
  12 #
  13 # ifndef BOOST_PREPROCESSOR_ARRAY_TO_SEQ_HPP
  14 # define BOOST_PREPROCESSOR_ARRAY_TO_SEQ_HPP
  15 #
  16 # include <boost/preprocessor/cat.hpp>
  17 # include <boost/preprocessor/config/config.hpp>
  18 # include <boost/preprocessor/array/size.hpp>
  19 # include <boost/preprocessor/control/if.hpp>
  20 # include <boost/preprocessor/tuple/to_seq.hpp>
  21 #
  22 # /* BOOST_PP_ARRAY_TO_SEQ */
  23 #
  24 #    define BOOST_PP_ARRAY_TO_SEQ(array) \
  25         BOOST_PP_IF \
  26             ( \
  27             BOOST_PP_ARRAY_SIZE(array), \
  28             BOOST_PP_ARRAY_TO_SEQ_DO, \
  29             BOOST_PP_ARRAY_TO_SEQ_EMPTY \
  30             ) \
  31         (array) \
  32 /**/
  33 #    define BOOST_PP_ARRAY_TO_SEQ_EMPTY(array)
  34 #
  35 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
  36 #    define BOOST_PP_ARRAY_TO_SEQ_DO(array) BOOST_PP_ARRAY_TO_SEQ_I(BOOST_PP_TUPLE_TO_SEQ, array)
  37 #    define BOOST_PP_ARRAY_TO_SEQ_I(m, args) BOOST_PP_ARRAY_TO_SEQ_II(m, args)
  38 #    define BOOST_PP_ARRAY_TO_SEQ_II(m, args) BOOST_PP_CAT(m ## args,)
  39 # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
  40 #    define BOOST_PP_ARRAY_TO_SEQ_DO(array) BOOST_PP_ARRAY_TO_SEQ_I(array)
  41 #    define BOOST_PP_ARRAY_TO_SEQ_I(array) BOOST_PP_TUPLE_TO_SEQ ## array
  42 # else
  43 #    define BOOST_PP_ARRAY_TO_SEQ_DO(array) BOOST_PP_TUPLE_TO_SEQ array
  44 # endif
  45 #
  46 # endif