preprocessor/repetition/enum_shifted.hpp

0001 # /* Copyright (C) 2001
0002 #  * Housemarque Oy
0003 #  * http://www.housemarque.com
0004 #  *
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 # /* Revised by Paul Mensonides (2002) */
0011 #
0012 # /* See http://www.boost.org for most recent version. */
0013 #
0014 # ifndef BOOST_PREPROCESSOR_REPETITION_ENUM_SHIFTED_HPP
0015 # define BOOST_PREPROCESSOR_REPETITION_ENUM_SHIFTED_HPP
0016 #
0017 # include <boost/preprocessor/cat.hpp>
0018 # include <boost/preprocessor/arithmetic/dec.hpp>
0019 # include <boost/preprocessor/arithmetic/inc.hpp>
0020 # include <boost/preprocessor/config/config.hpp>
0021 # include <boost/preprocessor/debug/error.hpp>
0022 # include <boost/preprocessor/detail/auto_rec.hpp>
0023 # include <boost/preprocessor/punctuation/comma_if.hpp>
0024 # include <boost/preprocessor/repetition/repeat.hpp>
0025 # include <boost/preprocessor/tuple/elem.hpp>
0026 # include <boost/preprocessor/tuple/rem.hpp>
0027 #
0028 # /* BOOST_PP_ENUM_SHIFTED */
0029 #
0030 # if 0
0031 #    define BOOST_PP_ENUM_SHIFTED(count, macro, data)
0032 # endif
0033 #
0034 # define BOOST_PP_ENUM_SHIFTED BOOST_PP_CAT(BOOST_PP_ENUM_SHIFTED_, BOOST_PP_AUTO_REC(BOOST_PP_REPEAT_P, 4))
0035 #
0036 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0037 #    define BOOST_PP_ENUM_SHIFTED_1(c, m, d) BOOST_PP_REPEAT_1(BOOST_PP_DEC(c), BOOST_PP_ENUM_SHIFTED_M_1, (m, d))
0038 #    define BOOST_PP_ENUM_SHIFTED_2(c, m, d) BOOST_PP_REPEAT_2(BOOST_PP_DEC(c), BOOST_PP_ENUM_SHIFTED_M_2, (m, d))
0039 #    define BOOST_PP_ENUM_SHIFTED_3(c, m, d) BOOST_PP_REPEAT_3(BOOST_PP_DEC(c), BOOST_PP_ENUM_SHIFTED_M_3, (m, d))
0040 # else
0041 #    define BOOST_PP_ENUM_SHIFTED_1(c, m, d) BOOST_PP_ENUM_SHIFTED_1_I(c, m, d)
0042 #    define BOOST_PP_ENUM_SHIFTED_2(c, m, d) BOOST_PP_ENUM_SHIFTED_1_2(c, m, d)
0043 #    define BOOST_PP_ENUM_SHIFTED_3(c, m, d) BOOST_PP_ENUM_SHIFTED_1_3(c, m, d)
0044 #    define BOOST_PP_ENUM_SHIFTED_1_I(c, m, d) BOOST_PP_REPEAT_1(BOOST_PP_DEC(c), BOOST_PP_ENUM_SHIFTED_M_1, (m, d))
0045 #    define BOOST_PP_ENUM_SHIFTED_2_I(c, m, d) BOOST_PP_REPEAT_2(BOOST_PP_DEC(c), BOOST_PP_ENUM_SHIFTED_M_2, (m, d))
0046 #    define BOOST_PP_ENUM_SHIFTED_3_I(c, m, d) BOOST_PP_REPEAT_3(BOOST_PP_DEC(c), BOOST_PP_ENUM_SHIFTED_M_3, (m, d))
0047 # endif
0048 #
0049 # define BOOST_PP_ENUM_SHIFTED_4(c, m, d) BOOST_PP_ERROR(0x0003)
0050 #
0051 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
0052 #    define BOOST_PP_ENUM_SHIFTED_M_1(z, n, md) BOOST_PP_ENUM_SHIFTED_M_1_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
0053 #    define BOOST_PP_ENUM_SHIFTED_M_2(z, n, md) BOOST_PP_ENUM_SHIFTED_M_2_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
0054 #    define BOOST_PP_ENUM_SHIFTED_M_3(z, n, md) BOOST_PP_ENUM_SHIFTED_M_3_IM(z, n, BOOST_PP_TUPLE_REM_2 md)
0055 #    define BOOST_PP_ENUM_SHIFTED_M_1_IM(z, n, im) BOOST_PP_ENUM_SHIFTED_M_1_I(z, n, im)
0056 #    define BOOST_PP_ENUM_SHIFTED_M_2_IM(z, n, im) BOOST_PP_ENUM_SHIFTED_M_2_I(z, n, im)
0057 #    define BOOST_PP_ENUM_SHIFTED_M_3_IM(z, n, im) BOOST_PP_ENUM_SHIFTED_M_3_I(z, n, im)
0058 # else
0059 #    define BOOST_PP_ENUM_SHIFTED_M_1(z, n, md) BOOST_PP_ENUM_SHIFTED_M_1_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
0060 #    define BOOST_PP_ENUM_SHIFTED_M_2(z, n, md) BOOST_PP_ENUM_SHIFTED_M_2_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
0061 #    define BOOST_PP_ENUM_SHIFTED_M_3(z, n, md) BOOST_PP_ENUM_SHIFTED_M_3_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, md), BOOST_PP_TUPLE_ELEM(2, 1, md))
0062 # endif
0063 #
0064 # define BOOST_PP_ENUM_SHIFTED_M_1_I(z, n, m, d) BOOST_PP_COMMA_IF(n) m(z, BOOST_PP_INC(n), d)
0065 # define BOOST_PP_ENUM_SHIFTED_M_2_I(z, n, m, d) BOOST_PP_COMMA_IF(n) m(z, BOOST_PP_INC(n), d)
0066 # define BOOST_PP_ENUM_SHIFTED_M_3_I(z, n, m, d) BOOST_PP_COMMA_IF(n) m(z, BOOST_PP_INC(n), d)
0067 #
0068 # endif