preprocessor/array/to_seq.hpp

0001 # /* **************************************************************************
0002 #  *                                                                          *
0003 #  *     (C) Copyright Edward Diener 2011.                                    *
0004 #  *     (C) Copyright Paul Mensonides 2011.                                  *
0005 #  *     Distributed under the Boost Software License, Version 1.0. (See      *
0006 #  *     accompanying file LICENSE_1_0.txt or copy at                         *
0007 #  *     http://www.boost.org/LICENSE_1_0.txt)                                *
0008 #  *                                                                          *
0009 #  ************************************************************************** */
0010 #
0011 # /* See http://www.boost.org for most recent version. */
0012 #
0013 # ifndef BOOST_PREPROCESSOR_ARRAY_TO_SEQ_HPP
0014 # define BOOST_PREPROCESSOR_ARRAY_TO_SEQ_HPP
0015 #
0016 # include <boost/preprocessor/cat.hpp>
0017 # include <boost/preprocessor/config/config.hpp>
0018 # include <boost/preprocessor/array/size.hpp>
0019 # include <boost/preprocessor/control/if.hpp>
0020 # include <boost/preprocessor/tuple/to_seq.hpp>
0021 #
0022 # /* BOOST_PP_ARRAY_TO_SEQ */
0023 #
0024 #    define BOOST_PP_ARRAY_TO_SEQ(array) \
0025         BOOST_PP_IF \
0026             ( \
0027             BOOST_PP_ARRAY_SIZE(array), \
0028             BOOST_PP_ARRAY_TO_SEQ_DO, \
0029             BOOST_PP_ARRAY_TO_SEQ_EMPTY \
0030             ) \
0031         (array) \
0032 /**/
0033 #    define BOOST_PP_ARRAY_TO_SEQ_EMPTY(array)
0034 #
0035 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MSVC()
0036 #    define BOOST_PP_ARRAY_TO_SEQ_DO(array) BOOST_PP_ARRAY_TO_SEQ_I(BOOST_PP_TUPLE_TO_SEQ, array)
0037 #    define BOOST_PP_ARRAY_TO_SEQ_I(m, args) BOOST_PP_ARRAY_TO_SEQ_II(m, args)
0038 #    define BOOST_PP_ARRAY_TO_SEQ_II(m, args) BOOST_PP_CAT(m ## args,)
0039 # elif BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_MWCC()
0040 #    define BOOST_PP_ARRAY_TO_SEQ_DO(array) BOOST_PP_ARRAY_TO_SEQ_I(array)
0041 #    define BOOST_PP_ARRAY_TO_SEQ_I(array) BOOST_PP_TUPLE_TO_SEQ ## array
0042 # else
0043 #    define BOOST_PP_ARRAY_TO_SEQ_DO(array) BOOST_PP_TUPLE_TO_SEQ array
0044 # endif
0045 #
0046 # endif