boost/preprocessor/seq/for_each_i.hpp

   1 # /* **************************************************************************
   2 #  *                                                                          *
   3 #  *     (C) Copyright Paul Mensonides 2002.
   4 #  *     Distributed under the Boost Software License, Version 1.0. (See
   5 #  *     accompanying file LICENSE_1_0.txt or copy at
   6 #  *     http://www.boost.org/LICENSE_1_0.txt)
   7 #  *                                                                          *
   8 #  ************************************************************************** */
   9 #
  10 # /* See http://www.boost.org for most recent version. */
  11 #
  12 # ifndef BOOST_PREPROCESSOR_SEQ_FOR_EACH_I_HPP
  13 # define BOOST_PREPROCESSOR_SEQ_FOR_EACH_I_HPP
  14 #
  15 # include <boost/preprocessor/arithmetic/dec.hpp>
  16 # include <boost/preprocessor/arithmetic/inc.hpp>
  17 # include <boost/preprocessor/config/config.hpp>
  18 # include <boost/preprocessor/repetition/for.hpp>
  19 # include <boost/preprocessor/seq/seq.hpp>
  20 # include <boost/preprocessor/seq/size.hpp>
  21 # include <boost/preprocessor/tuple/elem.hpp>
  22 # include <boost/preprocessor/tuple/rem.hpp>
  23 #
  24 # /* BOOST_PP_SEQ_FOR_EACH_I */
  25 #
  26 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  27 #    define BOOST_PP_SEQ_FOR_EACH_I(macro, data, seq) BOOST_PP_FOR((macro, data, seq (nil), 0), BOOST_PP_SEQ_FOR_EACH_I_P, BOOST_PP_SEQ_FOR_EACH_I_O, BOOST_PP_SEQ_FOR_EACH_I_M)
  28 # else
  29 #    define BOOST_PP_SEQ_FOR_EACH_I(macro, data, seq) BOOST_PP_SEQ_FOR_EACH_I_I(macro, data, seq)
  30 #    define BOOST_PP_SEQ_FOR_EACH_I_I(macro, data, seq) BOOST_PP_FOR((macro, data, seq (nil), 0), BOOST_PP_SEQ_FOR_EACH_I_P, BOOST_PP_SEQ_FOR_EACH_I_O, BOOST_PP_SEQ_FOR_EACH_I_M)
  31 # endif
  32 #
  33 # define BOOST_PP_SEQ_FOR_EACH_I_P(r, x) BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(BOOST_PP_TUPLE_ELEM(4, 2, x)))
  34 #
  35 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  36 #    define BOOST_PP_SEQ_FOR_EACH_I_O(r, x) BOOST_PP_SEQ_FOR_EACH_I_O_I x
  37 # else
  38 #    define BOOST_PP_SEQ_FOR_EACH_I_O(r, x) BOOST_PP_SEQ_FOR_EACH_I_O_I(BOOST_PP_TUPLE_ELEM(4, 0, x), BOOST_PP_TUPLE_ELEM(4, 1, x), BOOST_PP_TUPLE_ELEM(4, 2, x), BOOST_PP_TUPLE_ELEM(4, 3, x))
  39 # endif
  40 #
  41 # define BOOST_PP_SEQ_FOR_EACH_I_O_I(macro, data, seq, i) (macro, data, BOOST_PP_SEQ_TAIL(seq), BOOST_PP_INC(i))
  42 #
  43 # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  44 #    define BOOST_PP_SEQ_FOR_EACH_I_M(r, x) BOOST_PP_SEQ_FOR_EACH_I_M_IM(r, BOOST_PP_TUPLE_REM_4 x)
  45 #    define BOOST_PP_SEQ_FOR_EACH_I_M_IM(r, im) BOOST_PP_SEQ_FOR_EACH_I_M_I(r, im)
  46 # else
  47 #    define BOOST_PP_SEQ_FOR_EACH_I_M(r, x) BOOST_PP_SEQ_FOR_EACH_I_M_I(r, BOOST_PP_TUPLE_ELEM(4, 0, x), BOOST_PP_TUPLE_ELEM(4, 1, x), BOOST_PP_TUPLE_ELEM(4, 2, x), BOOST_PP_TUPLE_ELEM(4, 3, x))
  48 # endif
  49 #
  50 # define BOOST_PP_SEQ_FOR_EACH_I_M_I(r, macro, data, seq, i) macro(r, data, i, BOOST_PP_SEQ_HEAD(seq))
  51 #
  52 # /* BOOST_PP_SEQ_FOR_EACH_I_R */
  53 #
  54 # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  55 #    define BOOST_PP_SEQ_FOR_EACH_I_R(r, macro, data, seq) BOOST_PP_FOR_ ## r((macro, data, seq (nil), 0), BOOST_PP_SEQ_FOR_EACH_I_P, BOOST_PP_SEQ_FOR_EACH_I_O, BOOST_PP_SEQ_FOR_EACH_I_M)
  56 # else
  57 #    define BOOST_PP_SEQ_FOR_EACH_I_R(r, macro, data, seq) BOOST_PP_SEQ_FOR_EACH_I_R_I(r, macro, data, seq)
  58 #    define BOOST_PP_SEQ_FOR_EACH_I_R_I(r, macro, data, seq) BOOST_PP_FOR_ ## r((macro, data, seq (nil), 0), BOOST_PP_SEQ_FOR_EACH_I_P, BOOST_PP_SEQ_FOR_EACH_I_O, BOOST_PP_SEQ_FOR_EACH_I_M)
  59 # endif
  60 #
  61 # endif