preprocessor/array/pop_front.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 ">#
0011 # /* See http://www.boost.org for most recent version. */
0012 0013 ">#
0014 # ifndef BOOST_PREPROCESSOR_ARRAY_POP_FRONT_HPP
0015 # define BOOST_PREPROCESSOR_ARRAY_POP_FRONT_HPP
0016 0017 ">#
0018 # include <boost/preprocessor/arithmetic/dec.hpp>
0019 # include <boost/preprocessor/arithmetic/inc.hpp>
0020 # include <boost/preprocessor/array/elem.hpp>
0021 # include <boost/preprocessor/array/size.hpp>
0022 # include <boost/preprocessor/repetition/enum.hpp>
0023 # include <boost/preprocessor/repetition/deduce_z.hpp>
0024 0025 ">#
0026 # /* BOOST_PP_ARRAY_POP_FRONT */
0027 0028 ">#
0029 # define BOOST_PP_ARRAY_POP_FRONT(array) BOOST_PP_ARRAY_POP_FRONT_Z(BOOST_PP_DEDUCE_Z(), array)
0030 0031 ">#
0032 # /* BOOST_PP_ARRAY_POP_FRONT_Z */
0033 0034 ">#
0035 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
0036 #    define BOOST_PP_ARRAY_POP_FRONT_Z(z, array) BOOST_PP_ARRAY_POP_FRONT_I(z, BOOST_PP_ARRAY_SIZE(array), array)
0037 # else
0038 #    define BOOST_PP_ARRAY_POP_FRONT_Z(z, array) BOOST_PP_ARRAY_POP_FRONT_Z_D(z, array)
0039 #    define BOOST_PP_ARRAY_POP_FRONT_Z_D(z, array) BOOST_PP_ARRAY_POP_FRONT_I(z, BOOST_PP_ARRAY_SIZE(array), array)
0040 # endif
0041 0042 ">#
0043 # define BOOST_PP_ARRAY_POP_FRONT_I(z, size, array) (BOOST_PP_DEC(size), (BOOST_PP_ENUM_ ## z(BOOST_PP_DEC(size), BOOST_PP_ARRAY_POP_FRONT_M, array)))
0044 # define BOOST_PP_ARRAY_POP_FRONT_M(z, n, data) BOOST_PP_ARRAY_ELEM(BOOST_PP_INC(n), data)
0045 0046 ">#
0047 # endif