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include/boost/regex/v4/perl_matcher.hpp  view on Meta::CPAN

   // the next state in the machine being matched:
   const re_syntax_base* pstate;
   // matching flags in use:
   match_flag_type m_match_flags;
   // how many states we have examined so far:
   difference_type state_count;
   // max number of states to examine before giving up:
   difference_type max_state_count;
   // whether we should ignore case or not:
   bool icase;
   // set to true when (position == last), indicates that we may have a partial match:
   bool m_has_partial_match;
   // set to true whenever we get a match:
   bool m_has_found_match;
   // set to true whenever we're inside an independent sub-expression:
   bool m_independent;
   // the current repeat being examined:
   repeater_count<BidiIterator>* next_count;
   // the first repeat being examined (top of linked list):
   repeater_count<BidiIterator> rep_obj;
   // the mask to pass when matching word boundaries:
   typename traits::char_class_type m_word_mask;
   // the bitmask to use when determining whether a match_any matches a newline or not:
   unsigned char match_any_mask;

#ifdef BOOST_REGEX_NON_RECURSIVE
   //
   // additional members for non-recursive version:
   //
   typedef bool (self_type::*unwind_proc_type)(bool);

   void extend_stack();
   bool unwind(bool);
   bool unwind_end(bool);
   bool unwind_paren(bool);
   bool unwind_recursion_stopper(bool);
   bool unwind_assertion(bool);
   bool unwind_alt(bool);
   bool unwind_repeater_counter(bool);
   bool unwind_extra_block(bool);
   bool unwind_greedy_single_repeat(bool);
   bool unwind_slow_dot_repeat(bool);
   bool unwind_fast_dot_repeat(bool);
   bool unwind_char_repeat(bool);
   bool unwind_short_set_repeat(bool);
   bool unwind_long_set_repeat(bool);
   bool unwind_non_greedy_repeat(bool);
   void destroy_single_repeat();
   void push_matched_paren(int index, const sub_match<BidiIterator>& sub);
   void push_recursion_stopper();
   void push_assertion(const re_syntax_base* ps, bool positive);
   void push_alt(const re_syntax_base* ps);
   void push_repeater_count(int i, repeater_count<BidiIterator>** s);
   void push_single_repeat(std::size_t c, const re_repeat* r, BidiIterator last_position, int id);
   void push_non_greedy_repeat(const re_syntax_base* ps);


   // pointer to base of stack:
   saved_state* m_stack_base;
   // pointer to current stack position:
   saved_state* m_backup_state;
   // determines what value to return when unwinding from recursion,
   // allows for mixed recursive/non-recursive algorithm:
   bool m_recursive_result;
   // how many memory blocks have we used up?:
   unsigned used_block_count;
#endif

   // these operations aren't allowed, so are declared private,
   // bodies are provided to keep explicit-instantiation requests happy:
   perl_matcher& operator=(const perl_matcher&)
   {
      return *this;
   }
   perl_matcher(const perl_matcher& that)
      : m_result(that.m_result), re(that.re), traits_inst(that.traits_inst), rep_obj(0) {}
};

#ifdef BOOST_MSVC
#pragma warning(pop)
#endif

} // namespace re_detail

#ifdef BOOST_HAS_ABI_HEADERS
#  include BOOST_ABI_SUFFIX
#endif

} // namespace boost

//
// include the implementation of perl_matcher:
//
#ifdef BOOST_REGEX_RECURSIVE
#include <boost/regex/v4/perl_matcher_recursive.hpp>
#else
#include <boost/regex/v4/perl_matcher_non_recursive.hpp>
#endif
// this one has to be last:
#include <boost/regex/v4/perl_matcher_common.hpp>

#endif