3rdparty/boost/boost/parameter/aux_/preprocessor/convert_binary_seq.hpp

   1 // Copyright Cromwell D. Enage 2013.
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // (See accompanying file LICENSE_1_0.txt or copy at
   4 // http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #ifndef BOOST_PARAMETER_AUX_PREPROCESSOR_CONVERT_BINARY_SEQ_HPP
   7 #define BOOST_PARAMETER_AUX_PREPROCESSOR_CONVERT_BINARY_SEQ_HPP
   8
   9 #include <boost/preprocessor/seq/size.hpp>
  10 #include <boost/preprocessor/seq/push_back.hpp>
  11
  12 #define BOOST_PARAMETER_AUX_PP_AUGMENT_BINARY_SEQ_INDEX_FOLD_OP(s, seq, idx) \
  13     BOOST_PP_SEQ_PUSH_BACK(seq, (idx, BOOST_PP_SEQ_SIZE(seq)))
  14 /**/
  15
  16 #include <boost/preprocessor/control/iif.hpp>
  17 #include <boost/preprocessor/seq/elem.hpp>
  18 #include <boost/preprocessor/tuple/elem.hpp>
  19
  20 #define BOOST_PARAMETER_AUX_PP_CONVERT_BINARY_SEQ_FOLD_OP(s, seq, elem) \
  21     ( \
  22         BOOST_PP_SEQ_PUSH_BACK( \
  23             BOOST_PP_SEQ_ELEM(0, seq) \
  24           , BOOST_PP_IIF( \
  25                 BOOST_PP_TUPLE_ELEM(2, 0, elem) \
  26               , BOOST_PP_SEQ_ELEM(2, seq) \
  27               , BOOST_PP_SEQ_ELEM(1, seq) \
  28             )(BOOST_PP_TUPLE_ELEM(2, 1, elem), BOOST_PP_SEQ_ELEM(3, seq)) \
  29         ) \
  30     )(BOOST_PP_SEQ_ELEM(1, seq))(BOOST_PP_SEQ_ELEM(2, seq)) \
  31     (BOOST_PP_SEQ_ELEM(3, seq))
  32 /**/
  33
  34 #include <boost/parameter/aux_/preprocessor/seq_enum.hpp>
  35 #include <boost/preprocessor/facilities/empty.hpp>
  36 #include <boost/preprocessor/seq/seq.hpp>
  37 #include <boost/preprocessor/seq/fold_left.hpp>
  38
  39 #define BOOST_PARAMETER_AUX_PP_CONVERT_BINARY_SEQ(seq, macro0, macro1, data) \
  40     BOOST_PARAMETER_SEQ_ENUM( \
  41         BOOST_PP_SEQ_ELEM( \
  42             0 \
  43           , BOOST_PP_SEQ_FOLD_LEFT( \
  44                 BOOST_PARAMETER_AUX_PP_CONVERT_BINARY_SEQ_FOLD_OP \
  45               , (BOOST_PP_SEQ_NIL)(macro0)(macro1)(data) \
  46               , BOOST_PP_SEQ_FOLD_LEFT( \
  47                     BOOST_PARAMETER_AUX_PP_AUGMENT_BINARY_SEQ_INDEX_FOLD_OP \
  48                   , BOOST_PP_EMPTY() \
  49                   , seq \
  50                 ) \
  51             ) \
  52         ) \
  53     )
  54 /**/
  55
  56 #endif  // include guard
  57