ceph/src/boost/libs/metaparse/example/meta_hs/token.hpp

   1 #ifndef META_HS_TOKEN_HPP
   2 #define META_HS_TOKEN_HPP
   3
   4 // Copyright Abel Sinkovics (abel@sinkovics.hu)  2012.
   5 // Distributed under the Boost Software License, Version 1.0.
   6 //    (See accompanying file LICENSE_1_0.txt or copy at
   7 //          http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #include <ast.hpp>
  10 #include <except_keywords.hpp>
  11
  12 #include <boost/metaparse/string.hpp>
  13 #include <boost/metaparse/token.hpp>
  14 #include <boost/metaparse/always_c.hpp>
  15 #include <boost/metaparse/lit_c.hpp>
  16 #include <boost/metaparse/one_of.hpp>
  17 #include <boost/metaparse/last_of.hpp>
  18 #include <boost/metaparse/return_.hpp>
  19 #include <boost/metaparse/int_.hpp>
  20 #include <boost/metaparse/foldl_reject_incomplete_start_with_parser.hpp>
  21 #include <boost/metaparse/alphanum.hpp>
  22 #include <boost/metaparse/transform.hpp>
  23 #include <boost/metaparse/letter.hpp>
  24 #include <boost/metaparse/keyword.hpp>
  25 #include <boost/metaparse/optional.hpp>
  26
  27 #include <boost/mpl/lambda.hpp>
  28 #include <boost/mpl/push_back.hpp>
  29 #include <boost/mpl/vector.hpp>
  30
  31 namespace token
  32 {
  33   typedef
  34     boost::metaparse::token<
  35       boost::metaparse::always_c<'+',boost::metaparse::string<'.','+','.'> >
  36     >
  37     plus;
  38
  39   typedef
  40     boost::metaparse::token<
  41       boost::metaparse::always_c<'-',boost::metaparse::string<'.','-','.'> >
  42     >
  43     minus;
  44
  45   typedef
  46     boost::metaparse::token<
  47       boost::metaparse::always_c<'*',boost::metaparse::string<'.','*','.'> >
  48     >
  49     mult;
  50
  51   typedef
  52     boost::metaparse::token<
  53       boost::metaparse::always_c<'/',boost::metaparse::string<'.','/','.'> >
  54     >
  55     div;
  56
  57   typedef
  58     boost::metaparse::token<
  59       boost::metaparse::one_of<
  60         boost::metaparse::last_of<
  61           boost::metaparse::lit_c<'='>,
  62           boost::metaparse::lit_c<'='>,
  63           boost::metaparse::return_<
  64             boost::metaparse::string<'.','=','=','.'>
  65           >
  66         >,
  67         boost::metaparse::last_of<
  68           boost::metaparse::lit_c<'/'>,
  69           boost::metaparse::lit_c<'='>,
  70           boost::metaparse::return_<
  71             boost::metaparse::string<'.','/','=','.'>
  72           >
  73         >,
  74         boost::metaparse::last_of<
  75           boost::metaparse::lit_c<'<'>,
  76           boost::metaparse::one_of<
  77             boost::metaparse::always_c<
  78               '=',
  79               boost::metaparse::string<'.','<','=','.'>
  80             >,
  81             boost::metaparse::return_<
  82               boost::metaparse::string<'.','<','.'>
  83             >
  84           >
  85         >,
  86         boost::metaparse::last_of<
  87           boost::metaparse::lit_c<'>'>,
  88           boost::metaparse::optional<
  89             boost::metaparse::always_c<
  90               '=',
  91               boost::metaparse::string<'.','>','=','.'>
  92             >,
  93             boost::metaparse::string<'.','>','.'>
  94           >
  95         >
  96       >
  97     >
  98     cmp;
  99
 100   typedef
 101     boost::metaparse::token<boost::metaparse::lit_c<'('> >
 102     open_bracket;
 103
 104   typedef
 105     boost::metaparse::token<boost::metaparse::lit_c<')'> >
 106     close_bracket;
 107
 108   typedef
 109     boost::metaparse::token<boost::metaparse::lit_c<'='> >
 110     define;
 111
 112   typedef boost::metaparse::token<boost::metaparse::int_> int_;
 113
 114   typedef
 115     boost::metaparse::token<
 116       except_keywords<
 117         boost::metaparse::foldl_reject_incomplete_start_with_parser<
 118           boost::metaparse::one_of<
 119             boost::metaparse::alphanum,
 120             boost::metaparse::lit_c<'_'>
 121           >,
 122           boost::metaparse::transform<
 123             boost::metaparse::one_of<
 124               boost::metaparse::letter,
 125               boost::metaparse::lit_c<'_'>
 126             >,
 127             boost::mpl::lambda<
 128               boost::mpl::push_back<
 129                 boost::metaparse::string<>,
 130                 boost::mpl::_1
 131               >
 132             >::type
 133           >,
 134           boost::mpl::lambda<
 135             boost::mpl::push_back<boost::mpl::_1, boost::mpl::_2>
 136           >::type
 137         >,
 138         boost::mpl::vector<
 139           boost::metaparse::string<'i','f'>,
 140           boost::metaparse::string<'t','h','e','n'>,
 141           boost::metaparse::string<'e','l','s','e'>
 142         >
 143       >
 144     >
 145     name;
 146
 147   typedef
 148     boost::metaparse::token<
 149       boost::metaparse::keyword<boost::metaparse::string<'i','f'> >
 150     >
 151     if_;
 152
 153   typedef
 154     boost::metaparse::token<
 155       boost::metaparse::keyword<boost::metaparse::string<'t','h','e','n'> >
 156     >
 157     then;
 158
 159   typedef
 160     boost::metaparse::token<
 161       boost::metaparse::keyword<boost::metaparse::string<'e','l','s','e'> >
 162     >
 163     else_;
 164 }
 165
 166 #endif
 167
 168