ceph/src/boost/libs/spirit/include/boost/spirit/home/support/detail/lexer/internals.hpp

   1 // internals.hpp
   2 // Copyright (c) 2009 Ben Hanson (http://www.benhanson.net/)
   3 //
   4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 // file licence_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 #ifndef BOOST_LEXER_INTERNALS_HPP
   7 #define BOOST_LEXER_INTERNALS_HPP
   8
   9 #include "containers/ptr_vector.hpp"
  10
  11 namespace boost
  12 {
  13 namespace lexer
  14 {
  15 namespace detail
  16 {
  17 struct internals
  18 {
  19     typedef std::vector<std::size_t> size_t_vector;
  20     typedef ptr_vector<size_t_vector> size_t_vector_vector;
  21
  22     size_t_vector_vector _lookup;
  23     size_t_vector _dfa_alphabet;
  24     size_t_vector_vector _dfa;
  25     bool _seen_BOL_assertion;
  26     bool _seen_EOL_assertion;
  27
  28     internals () :
  29         _seen_BOL_assertion (false),
  30         _seen_EOL_assertion (false)
  31     {
  32     }
  33
  34     void clear ()
  35     {
  36         _lookup.clear ();
  37         _dfa_alphabet.clear ();
  38         _dfa.clear ();
  39         _seen_BOL_assertion = false;
  40         _seen_EOL_assertion = false;
  41     }
  42
  43     void swap (internals &internals_)
  44     {
  45         _lookup->swap (*internals_._lookup);
  46         _dfa_alphabet.swap (internals_._dfa_alphabet);
  47         _dfa->swap (*internals_._dfa);
  48         std::swap (_seen_BOL_assertion, internals_._seen_BOL_assertion);
  49         std::swap (_seen_EOL_assertion, internals_._seen_EOL_assertion);
  50     }
  51
  52 private:
  53     internals (const internals &); // No copy construction.
  54     internals &operator = (const internals &); // No assignment.
  55 };
  56 }
  57 }
  58 }
  59
  60 #endif