ceph/src/boost/boost/vmd/detail/match_identifier.hpp

   1
   2 //  (C) Copyright Edward Diener 2011-2015
   3 //  Use, modification and distribution are subject to the Boost Software License,
   4 //  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   5 //  http://www.boost.org/LICENSE_1_0.txt).
   6
   7 #if !defined(BOOST_VMD_DETAIL_MATCH_IDENTIFIER_HPP)
   8 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_HPP
   9
  10 #include <boost/preprocessor/arithmetic/inc.hpp>
  11 #include <boost/preprocessor/cat.hpp>
  12 #include <boost/preprocessor/comparison/equal.hpp>
  13 #include <boost/preprocessor/comparison/not_equal.hpp>
  14 #include <boost/preprocessor/control/iif.hpp>
  15 #include <boost/preprocessor/control/while.hpp>
  16 #include <boost/preprocessor/logical/bitand.hpp>
  17 #include <boost/preprocessor/tuple/elem.hpp>
  18 #include <boost/preprocessor/tuple/replace.hpp>
  19 #include <boost/preprocessor/tuple/size.hpp>
  20 #include <boost/vmd/is_empty.hpp>
  21 #include <boost/vmd/detail/idprefix.hpp>
  22 #include <boost/vmd/detail/match_identifier_common.hpp>
  23
  24 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_ID(state) \
  25     BOOST_PP_TUPLE_ELEM(0,state) \
  26 /**/
  27
  28 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_KEY_TUPLE(state) \
  29     BOOST_PP_TUPLE_ELEM(1,state) \
  30 /**/
  31
  32 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_KEY_TUPLE_SIZE(state) \
  33     BOOST_PP_TUPLE_ELEM(2,state) \
  34 /**/
  35
  36 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_KEY_CURRENT(state) \
  37     BOOST_PP_TUPLE_ELEM \
  38         ( \
  39         BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_INDEX(state), \
  40         BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_KEY_TUPLE(state) \
  41         ) \
  42 /**/
  43
  44 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_INDEX(state) \
  45     BOOST_PP_TUPLE_ELEM(3,state) \
  46 /**/
  47
  48 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_RESULT(state) \
  49     BOOST_PP_TUPLE_ELEM(4,state) \
  50 /**/
  51
  52 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_PRED(d,state) \
  53     BOOST_PP_BITAND \
  54         ( \
  55         BOOST_PP_EQUAL_D \
  56             ( \
  57             d, \
  58             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_RESULT(state), \
  59             0 \
  60             ), \
  61         BOOST_PP_NOT_EQUAL_D \
  62             ( \
  63             d, \
  64             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_INDEX(state), \
  65             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_KEY_TUPLE_SIZE(state) \
  66             ) \
  67         ) \
  68 /**/
  69
  70 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_OP_FOUND(d,state) \
  71     BOOST_PP_TUPLE_REPLACE_D \
  72         ( \
  73         d, \
  74         state, \
  75         4, \
  76         BOOST_PP_INC \
  77             ( \
  78             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_INDEX(state) \
  79             ) \
  80         ) \
  81 /**/
  82
  83 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_OP_CONTINUE(d,state) \
  84     BOOST_PP_TUPLE_REPLACE_D \
  85         ( \
  86         d, \
  87         state, \
  88         3, \
  89         BOOST_PP_INC \
  90             ( \
  91             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_INDEX(state) \
  92             ) \
  93         ) \
  94 /**/
  95
  96 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_OP(d,state) \
  97     BOOST_PP_IIF \
  98         ( \
  99         BOOST_VMD_DETAIL_MATCH_IDENTIFIER_OP_CMP_IDS \
 100             ( \
 101             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_ID(state), \
 102             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_STATE_KEY_CURRENT(state) \
 103             ), \
 104         BOOST_VMD_DETAIL_MATCH_IDENTIFIER_OP_FOUND, \
 105         BOOST_VMD_DETAIL_MATCH_IDENTIFIER_OP_CONTINUE \
 106         ) \
 107     (d,state) \
 108 /**/
 109
 110 /*
 111
 112   Return index starting with 1 of the tuple id the identifier matches, or 0 if there are no matches.
 113
 114 */
 115
 116 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER(id,keytuple) \
 117     BOOST_PP_TUPLE_ELEM \
 118         ( \
 119         4, \
 120         BOOST_PP_WHILE \
 121             ( \
 122             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_PRED, \
 123             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_OP, \
 124                 ( \
 125                 id, \
 126                 keytuple, \
 127                 BOOST_PP_TUPLE_SIZE(keytuple), \
 128                 0, \
 129                 0 \
 130                 ) \
 131             ) \
 132         ) \
 133 /**/
 134
 135 /*
 136
 137   Return index starting with 1 of the tuple id the identifier matches, or 0 if there are no matches.
 138
 139 */
 140
 141 #define BOOST_VMD_DETAIL_MATCH_IDENTIFIER_D(d,id,keytuple) \
 142     BOOST_PP_TUPLE_ELEM \
 143         ( \
 144         4, \
 145         BOOST_PP_WHILE_ ## d \
 146             ( \
 147             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_PRED, \
 148             BOOST_VMD_DETAIL_MATCH_IDENTIFIER_OP, \
 149                 ( \
 150                 id, \
 151                 keytuple, \
 152                 BOOST_PP_TUPLE_SIZE(keytuple), \
 153                 0, \
 154                 0 \
 155                 ) \
 156             ) \
 157         ) \
 158 /**/
 159
 160 #endif /* BOOST_VMD_DETAIL_MATCH_IDENTIFIER_HPP */