preprocessor/repetition/enum_shifted_binary_params.hpp

0001 # /* **************************************************************************
0002 #  *                                                                          *
0003 #  *     (C) Copyright Paul Mensonides 2005.                                  *
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_SHIFTED_BINARY_PARAMS_HPP
0013 # define BOOST_PREPROCESSOR_REPETITION_ENUM_SHIFTED_BINARY_PARAMS_HPP
0014 #
0015 # include <boost/preprocessor/arithmetic/dec.hpp>
0016 # include <boost/preprocessor/arithmetic/inc.hpp>
0017 # include <boost/preprocessor/cat.hpp>
0018 # include <boost/preprocessor/config/config.hpp>
0019 # include <boost/preprocessor/punctuation/comma_if.hpp>
0020 # include <boost/preprocessor/repetition/repeat.hpp>
0021 # include <boost/preprocessor/tuple/elem.hpp>
0022 # include <boost/preprocessor/tuple/rem.hpp>
0023 #
0024 # /* BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS */
0025 #
0026 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0027 #    define BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS(count, p1, p2) BOOST_PP_REPEAT(BOOST_PP_DEC(count), BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M, (p1, p2))
0028 # else
0029 #    define BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS(count, p1, p2) BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_I(count, p1, p2)
0030 #    define BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_I(count, p1, p2) BOOST_PP_REPEAT(BOOST_PP_DEC(count), BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M, (p1, p2))
0031 # endif
0032 #
0033 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
0034 #    define BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M(z, n, pp) BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M_IM(z, n, BOOST_PP_TUPLE_REM_2 pp)
0035 #    define BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M_IM(z, n, im) BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M_I(z, n, im)
0036 # else
0037 #    define BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M(z, n, pp) BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M_I(z, n, BOOST_PP_TUPLE_ELEM(2, 0, pp), BOOST_PP_TUPLE_ELEM(2, 1, pp))
0038 # endif
0039 #
0040 # define BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M_I(z, n, p1, p2) BOOST_PP_COMMA_IF(n) BOOST_PP_CAT(p1, BOOST_PP_INC(n)) BOOST_PP_CAT(p2, BOOST_PP_INC(n))
0041 #
0042 # /* BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_Z */
0043 #
0044 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0045 #    define BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_Z(z, count, p1, p2) BOOST_PP_REPEAT_ ## z(BOOST_PP_DEC(count), BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M, (p1, p2))
0046 # else
0047 #    define BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_Z(z, count, p1, p2) BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_Z_I(z, count, p1, p2)
0048 #    define BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_Z_I(z, count, p1, p2) BOOST_PP_REPEAT_ ## z(BOOST_PP_DEC(count), BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_M, (p1, p2))
0049 # endif
0050 #
0051 # endif