preprocessor/repetition/enum_trailing.hpp

0001 # /* **************************************************************************
0002 #  *                                                                          *
0003 #  *     (C) Copyright Paul Mensonides 2002.
0004 #  *     Distributed under the Boost Software License, Version 1.0. (See
0005 #  *     accompanying file LICENSE_1_0.txt or copy at
0006 #  *     http://www.boost.org/LICENSE_1_0.txt)
0007 #  *                                                                          *
0008 #  ************************************************************************** */
0009 #
0010 # /* See http://www.boost.org for most recent version. */
0011 #
0012 # ifndef BOOST_PREPROCESSOR_REPETITION_ENUM_TRAILING_HPP
0013 # define BOOST_PREPROCESSOR_REPETITION_ENUM_TRAILING_HPP
0014 #
0015 # include <boost/preprocessor/cat.hpp>
0016 # include <boost/preprocessor/config/config.hpp>
0017 # include <boost/preprocessor/debug/error.hpp>
0018 # include <boost/preprocessor/detail/auto_rec.hpp>
0019 # include <boost/preprocessor/repetition/repeat.hpp>
0020 # include <boost/preprocessor/tuple/elem.hpp>
0021 # include <boost/preprocessor/tuple/rem.hpp>
0022 #
0023 # /* BOOST_PP_ENUM_TRAILING */
0024 #
0025 # if 0
0026 #    define BOOST_PP_ENUM_TRAILING(count, macro, data)
0027 # endif
0028 #
0029 # define BOOST_PP_ENUM_TRAILING BOOST_PP_CAT(BOOST_PP_ENUM_TRAILING_, BOOST_PP_AUTO_REC(BOOST_PP_REPEAT_P, 4))
0030 #
0031 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0032 #    define BOOST_PP_ENUM_TRAILING_1(c, m, d) BOOST_PP_REPEAT_1(c, BOOST_PP_ENUM_TRAILING_M_1, (m, d))
0033 #    define BOOST_PP_ENUM_TRAILING_2(c, m, d) BOOST_PP_REPEAT_2(c, BOOST_PP_ENUM_TRAILING_M_2, (m, d))
0034 #    define BOOST_PP_ENUM_TRAILING_3(c, m, d) BOOST_PP_REPEAT_3(c, BOOST_PP_ENUM_TRAILING_M_3, (m, d))
0035 # else
0036 #    define BOOST_PP_ENUM_TRAILING_1(c, m, d) BOOST_PP_ENUM_TRAILING_1_I(c, m, d)
0037 #    define BOOST_PP_ENUM_TRAILING_2(c, m, d) BOOST_PP_ENUM_TRAILING_2_I(c, m, d)
0038 #    define BOOST_PP_ENUM_TRAILING_3(c, m, d) BOOST_PP_ENUM_TRAILING_3_I(c, m, d)
0039 #    define BOOST_PP_ENUM_TRAILING_1_I(c, m, d) BOOST_PP_REPEAT_1(c, BOOST_PP_ENUM_TRAILING_M_1, (m, d))
0040 #    define BOOST_PP_ENUM_TRAILING_2_I(c, m, d) BOOST_PP_REPEAT_2(c, BOOST_PP_ENUM_TRAILING_M_2, (m, d))
0041 #    define BOOST_PP_ENUM_TRAILING_3_I(c, m, d) BOOST_PP_REPEAT_3(c, BOOST_PP_ENUM_TRAILING_M_3, (m, d))
0042 # endif
0043 #
0044 # define BOOST_PP_ENUM_TRAILING_4(c, m, d) BOOST_PP_ERROR(0x0003)
0045 #
0046 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
0047 #    define BOOST_PP_ENUM_TRAILING_M_1(z, n, md) BOOST_PP_ENUM_TRAILING_M_1_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
0048 #    define BOOST_PP_ENUM_TRAILING_M_2(z, n, md) BOOST_PP_ENUM_TRAILING_M_2_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
0049 #    define BOOST_PP_ENUM_TRAILING_M_3(z, n, md) BOOST_PP_ENUM_TRAILING_M_3_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
0050 #    define BOOST_PP_ENUM_TRAILING_M_1_IM(z, n, im) BOOST_PP_ENUM_TRAILING_M_1_I(z, n, im)
0051 #    define BOOST_PP_ENUM_TRAILING_M_2_IM(z, n, im) BOOST_PP_ENUM_TRAILING_M_2_I(z, n, im)
0052 #    define BOOST_PP_ENUM_TRAILING_M_3_IM(z, n, im) BOOST_PP_ENUM_TRAILING_M_3_I(z, n, im)
0053 # else
0054 #    define BOOST_PP_ENUM_TRAILING_M_1(z, n, md) BOOST_PP_ENUM_TRAILING_M_1_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
0055 #    define BOOST_PP_ENUM_TRAILING_M_2(z, n, md) BOOST_PP_ENUM_TRAILING_M_2_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
0056 #    define BOOST_PP_ENUM_TRAILING_M_3(z, n, md) BOOST_PP_ENUM_TRAILING_M_3_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
0057 # endif
0058 #
0059 # define BOOST_PP_ENUM_TRAILING_M_1_I(z, n, m, d) , m(z, n, d)
0060 # define BOOST_PP_ENUM_TRAILING_M_2_I(z, n, m, d) , m(z, n, d)
0061 # define BOOST_PP_ENUM_TRAILING_M_3_I(z, n, m, d) , m(z, n, d)
0062 #
0063 # endif