compiler/boost/preprocessor/tuple/to_array.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_TUPLE_TO_ARRAY_HPP
  14 # define BOOST_PREPROCESSOR_TUPLE_TO_ARRAY_HPP
  15 #
  16 # include <boost/preprocessor/cat.hpp>
  17 # include <boost/preprocessor/config/config.hpp>
  18 # include <boost/preprocessor/facilities/overload.hpp>
  19 # include <boost/preprocessor/tuple/size.hpp>
  20 # include <boost/preprocessor/variadic/size.hpp>
  21 #
  22 # /* BOOST_PP_TUPLE_TO_ARRAY */
  23 #
  24 # if BOOST_PP_VARIADICS
  25 #    if BOOST_PP_VARIADICS_MSVC
  26 #        define BOOST_PP_TUPLE_TO_ARRAY(...) BOOST_PP_TUPLE_TO_ARRAY_I(BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_TO_ARRAY_, __VA_ARGS__), (__VA_ARGS__))
  27 #        define BOOST_PP_TUPLE_TO_ARRAY_I(m, args) BOOST_PP_TUPLE_TO_ARRAY_II(m, args)
  28 #        define BOOST_PP_TUPLE_TO_ARRAY_II(m, args) BOOST_PP_CAT(m ## args,)
  29 #        define BOOST_PP_TUPLE_TO_ARRAY_1(tuple) (BOOST_PP_TUPLE_SIZE(tuple), tuple)
  30 #    else
  31 #        define BOOST_PP_TUPLE_TO_ARRAY(...) BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_TO_ARRAY_, __VA_ARGS__)(__VA_ARGS__)
  32 #        define BOOST_PP_TUPLE_TO_ARRAY_1(tuple) (BOOST_PP_VARIADIC_SIZE tuple, tuple)
  33 #    endif
  34 #    define BOOST_PP_TUPLE_TO_ARRAY_2(size, tuple) (size, tuple)
  35 # else
  36 #    define BOOST_PP_TUPLE_TO_ARRAY(size, tuple) (size, tuple)
  37 # endif
  38 #
  39 # endif