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algorithmfwd.h	21.23 KB	-rw-r--r--	2025-03-31 10:36
alloc_traits.h	19.6 KB	-rw-r--r--	2025-03-31 10:36
allocated_ptr.h	3.22 KB	-rw-r--r--	2025-03-31 10:36
allocator.h	7.39 KB	-rw-r--r--	2025-03-31 10:36
atomic_base.h	23.28 KB	-rw-r--r--	2025-03-31 10:36
atomic_futex.h	9.35 KB	-rw-r--r--	2025-03-31 10:36
atomic_lockfree_defines.h	2.2 KB	-rw-r--r--	2025-03-31 10:36
basic_ios.h	15.7 KB	-rw-r--r--	2025-03-31 10:36
basic_ios.tcc	5.94 KB	-rw-r--r--	2025-03-31 10:36
basic_string.h	237.01 KB	-rw-r--r--	2025-03-31 10:36
basic_string.tcc	52.5 KB	-rw-r--r--	2025-03-31 10:36
boost_concept_check.h	26.52 KB	-rw-r--r--	2025-03-31 10:36
c++0x_warning.h	1.44 KB	-rw-r--r--	2025-03-31 10:36
char_traits.h	20.42 KB	-rw-r--r--	2025-03-31 10:36
codecvt.h	20.79 KB	-rw-r--r--	2025-03-31 10:36
concept_check.h	3.34 KB	-rw-r--r--	2025-03-31 10:36
cpp_type_traits.h	9.56 KB	-rw-r--r--	2025-03-31 10:36
cxxabi_forced.h	1.77 KB	-rw-r--r--	2025-03-31 10:36
cxxabi_init_exception.h	2.17 KB	-rw-r--r--	2025-03-31 10:36
deque.tcc	33.32 KB	-rw-r--r--	2025-03-31 10:36
enable_special_members.h	12.1 KB	-rw-r--r--	2025-03-31 10:36
exception.h	2.23 KB	-rw-r--r--	2025-03-31 10:36
exception_defines.h	1.61 KB	-rw-r--r--	2025-03-31 10:36
exception_ptr.h	5.84 KB	-rw-r--r--	2025-03-31 10:36
forward_list.h	47.77 KB	-rw-r--r--	2025-03-31 10:36
forward_list.tcc	12.86 KB	-rw-r--r--	2025-03-31 10:36
fs_dir.h	14.38 KB	-rw-r--r--	2025-03-31 10:36
fs_fwd.h	10.04 KB	-rw-r--r--	2025-03-31 10:36
fs_ops.h	9.5 KB	-rw-r--r--	2025-03-31 10:36
fs_path.h	32.12 KB	-rw-r--r--	2025-03-31 10:36
fstream.tcc	32.03 KB	-rw-r--r--	2025-03-31 10:36
functexcept.h	3.18 KB	-rw-r--r--	2025-03-31 10:36
functional_hash.h	8.04 KB	-rw-r--r--	2025-03-31 10:36
gslice.h	5.39 KB	-rw-r--r--	2025-03-31 10:36
gslice_array.h	7.59 KB	-rw-r--r--	2025-03-31 10:36
hash_bytes.h	2.1 KB	-rw-r--r--	2025-03-31 10:36
hashtable.h	72.06 KB	-rw-r--r--	2025-03-31 10:36
hashtable_policy.h	66.38 KB	-rw-r--r--	2025-03-31 10:36
indirect_array.h	7.68 KB	-rw-r--r--	2025-03-31 10:36
invoke.h	3.57 KB	-rw-r--r--	2025-03-31 10:36
ios_base.h	30.3 KB	-rw-r--r--	2025-03-31 10:36
istream.tcc	30.36 KB	-rw-r--r--	2025-03-31 10:36
list.tcc	15.6 KB	-rw-r--r--	2025-03-31 10:36
locale_classes.h	24.31 KB	-rw-r--r--	2025-03-31 10:36
locale_classes.tcc	8.18 KB	-rw-r--r--	2025-03-31 10:36
locale_conv.h	15.72 KB	-rw-r--r--	2025-03-31 10:36
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localefwd.h	5.51 KB	-rw-r--r--	2025-03-31 10:36
mask_array.h	7.42 KB	-rw-r--r--	2025-03-31 10:36
memoryfwd.h	2.4 KB	-rw-r--r--	2025-03-31 10:36
move.h	6.38 KB	-rw-r--r--	2025-03-31 10:36
nested_exception.h	4.69 KB	-rw-r--r--	2025-03-31 10:36
node_handle.h	8.02 KB	-rw-r--r--	2025-03-31 10:36
ostream.tcc	12.03 KB	-rw-r--r--	2025-03-31 10:36
ostream_insert.h	3.91 KB	-rw-r--r--	2025-03-31 10:36
parse_numbers.h	7.76 KB	-rw-r--r--	2025-03-31 10:36
postypes.h	8.02 KB	-rw-r--r--	2025-03-31 10:36
predefined_ops.h	8.87 KB	-rw-r--r--	2025-03-31 10:36
ptr_traits.h	6.47 KB	-rw-r--r--	2025-03-31 10:36
quoted_string.h	4.93 KB	-rw-r--r--	2025-03-31 10:36
random.h	171.14 KB	-rw-r--r--	2025-03-31 10:36
random.tcc	103.12 KB	-rw-r--r--	2025-03-31 10:36
range_access.h	9.79 KB	-rw-r--r--	2025-03-31 10:36
refwrap.h	11.61 KB	-rw-r--r--	2025-03-31 10:36
regex.h	95.12 KB	-rw-r--r--	2025-03-31 10:36
regex.tcc	16.18 KB	-rw-r--r--	2025-03-31 10:36
regex_automaton.h	10.47 KB	-rw-r--r--	2025-03-31 10:36
regex_automaton.tcc	7.65 KB	-rw-r--r--	2025-03-31 10:36
regex_compiler.h	17.63 KB	-rw-r--r--	2025-03-31 10:36
regex_compiler.tcc	18.84 KB	-rw-r--r--	2025-03-31 10:36
regex_constants.h	14.36 KB	-rw-r--r--	2025-03-31 10:36
regex_error.h	4.79 KB	-rw-r--r--	2025-03-31 10:36
regex_executor.h	7.31 KB	-rw-r--r--	2025-03-31 10:36
regex_executor.tcc	18.4 KB	-rw-r--r--	2025-03-31 10:36
regex_scanner.h	6.92 KB	-rw-r--r--	2025-03-31 10:36
regex_scanner.tcc	14.66 KB	-rw-r--r--	2025-03-31 10:36
shared_ptr.h	22.88 KB	-rw-r--r--	2025-03-31 10:36
shared_ptr_atomic.h	9.54 KB	-rw-r--r--	2025-03-31 10:36
shared_ptr_base.h	53.01 KB	-rw-r--r--	2025-03-31 10:36
slice_array.h	9.13 KB	-rw-r--r--	2025-03-31 10:36
specfun.h	45.95 KB	-rw-r--r--	2025-03-31 10:36
sstream.tcc	9.9 KB	-rw-r--r--	2025-03-31 10:36
std_abs.h	3.19 KB	-rw-r--r--	2025-03-31 10:36
std_function.h	22.71 KB	-rw-r--r--	2025-03-31 10:36
std_mutex.h	9.08 KB	-rw-r--r--	2025-03-31 10:36
stl_algo.h	209.27 KB	-rw-r--r--	2025-03-31 10:36
stl_algobase.h	49.31 KB	-rw-r--r--	2025-03-31 10:36
stl_bvector.h	32.94 KB	-rw-r--r--	2025-03-31 10:36
stl_construct.h	7.22 KB	-rw-r--r--	2025-03-31 10:36
stl_deque.h	76.73 KB	-rw-r--r--	2025-03-31 10:36
stl_function.h	40.77 KB	-rw-r--r--	2025-03-31 10:36
stl_heap.h	19.73 KB	-rw-r--r--	2025-03-31 10:36
stl_iterator.h	41.3 KB	-rw-r--r--	2025-03-31 10:36
stl_iterator_base_funcs.h	7.99 KB	-rw-r--r--	2025-03-31 10:36
stl_iterator_base_types.h	8.48 KB	-rw-r--r--	2025-03-31 10:36
stl_list.h	65.97 KB	-rw-r--r--	2025-03-31 10:36
stl_map.h	51.55 KB	-rw-r--r--	2025-03-31 10:36
stl_multimap.h	40.58 KB	-rw-r--r--	2025-03-31 10:36
stl_multiset.h	34.97 KB	-rw-r--r--	2025-03-31 10:36
stl_numeric.h	13.51 KB	-rw-r--r--	2025-03-31 10:36
stl_pair.h	18.21 KB	-rw-r--r--	2025-03-31 10:36
stl_queue.h	23.51 KB	-rw-r--r--	2025-03-31 10:36
stl_raw_storage_iter.h	3.74 KB	-rw-r--r--	2025-03-31 10:36
stl_relops.h	4.49 KB	-rw-r--r--	2025-03-31 10:36
stl_set.h	35.28 KB	-rw-r--r--	2025-03-31 10:36
stl_stack.h	11.66 KB	-rw-r--r--	2025-03-31 10:36
stl_tempbuf.h	8.15 KB	-rw-r--r--	2025-03-31 10:36
stl_tree.h	73.15 KB	-rw-r--r--	2025-03-31 10:36
stl_uninitialized.h	27.06 KB	-rw-r--r--	2025-03-31 10:36
stl_vector.h	59.12 KB	-rw-r--r--	2025-03-31 10:36
stream_iterator.h	6.5 KB	-rw-r--r--	2025-03-31 10:36
streambuf.tcc	4.81 KB	-rw-r--r--	2025-03-31 10:36
streambuf_iterator.h	13.44 KB	-rw-r--r--	2025-03-31 10:36
string_view.tcc	6.54 KB	-rw-r--r--	2025-03-31 10:36
stringfwd.h	2.55 KB	-rw-r--r--	2025-03-31 10:36
uniform_int_dist.h	9.84 KB	-rw-r--r--	2025-03-31 10:36
unique_ptr.h	25.38 KB	-rw-r--r--	2025-03-31 10:36
unordered_map.h	73.58 KB	-rw-r--r--	2025-03-31 10:36
unordered_set.h	57.76 KB	-rw-r--r--	2025-03-31 10:36
uses_allocator.h	6.37 KB	-rw-r--r--	2025-03-31 10:36
valarray_after.h	22.12 KB	-rw-r--r--	2025-03-31 10:36
valarray_array.h	21.3 KB	-rw-r--r--	2025-03-31 10:36
valarray_array.tcc	7.08 KB	-rw-r--r--	2025-03-31 10:36
valarray_before.h	18.08 KB	-rw-r--r--	2025-03-31 10:36
vector.tcc	28.95 KB	-rw-r--r--	2025-03-31 10:36

Rename

// class template regex -*- C++ -*-

// Copyright (C) 2013-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/**
 *  @file bits/regex_executor.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{regex}
 */

// FIXME convert comments to doxygen format.

namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION

namespace __detail
{
  /**
   * @addtogroup regex-detail
   * @{
   */

/**
   * @brief Takes a regex and an input string and does the matching.
   *
   * The %_Executor class has two modes: DFS mode and BFS mode, controlled
   * by the template parameter %__dfs_mode.
   */
  template<typename _BiIter, typename _Alloc, typename _TraitsT,
	   bool __dfs_mode>
    class _Executor
    {
      using __search_mode = integral_constant<bool, __dfs_mode>;
      using __dfs = true_type;
      using __bfs = false_type;

enum class _Match_mode : unsigned char { _Exact, _Prefix };

public:
      typedef typename iterator_traits<_BiIter>::value_type _CharT;
      typedef basic_regex<_CharT, _TraitsT>                 _RegexT;
      typedef std::vector<sub_match<_BiIter>, _Alloc>       _ResultsVec;
      typedef regex_constants::match_flag_type              _FlagT;
      typedef typename _TraitsT::char_class_type            _ClassT;
      typedef _NFA<_TraitsT>                                _NFAT;

public:
      _Executor(_BiIter         __begin,
		_BiIter         __end,
		_ResultsVec&    __results,
		const _RegexT&  __re,
		_FlagT          __flags)
      : _M_begin(__begin),
      _M_end(__end),
      _M_re(__re),
      _M_nfa(*__re._M_automaton),
      _M_results(__results),
      _M_rep_count(_M_nfa.size()),
      _M_states(_M_nfa._M_start(), _M_nfa.size()),
      _M_flags((__flags & regex_constants::match_prev_avail)
	       ? (__flags
		  & ~regex_constants::match_not_bol
		  & ~regex_constants::match_not_bow)
	       : __flags)
      { }

// Set matched when string exactly matches the pattern.
      bool
      _M_match()
      {
	_M_current = _M_begin;
	return _M_main(_Match_mode::_Exact);
      }

// Set matched when some prefix of the string matches the pattern.
      bool
      _M_search_from_first()
      {
	_M_current = _M_begin;
	return _M_main(_Match_mode::_Prefix);
      }

bool
      _M_search();

private:
      void
      _M_rep_once_more(_Match_mode __match_mode, _StateIdT);

void
      _M_handle_repeat(_Match_mode, _StateIdT);

void
      _M_handle_subexpr_begin(_Match_mode, _StateIdT);

void
      _M_handle_subexpr_end(_Match_mode, _StateIdT);

void
      _M_handle_line_begin_assertion(_Match_mode, _StateIdT);

void
      _M_handle_line_end_assertion(_Match_mode, _StateIdT);

void
      _M_handle_word_boundary(_Match_mode, _StateIdT);

void
      _M_handle_subexpr_lookahead(_Match_mode, _StateIdT);

void
      _M_handle_match(_Match_mode, _StateIdT);

void
      _M_handle_backref(_Match_mode, _StateIdT);

void
      _M_handle_accept(_Match_mode, _StateIdT);

void
      _M_handle_alternative(_Match_mode, _StateIdT);

void
      _M_dfs(_Match_mode __match_mode, _StateIdT __start);

bool
      _M_main(_Match_mode __match_mode)
      { return _M_main_dispatch(__match_mode, __search_mode{}); }

bool
      _M_main_dispatch(_Match_mode __match_mode, __dfs);

bool
      _M_main_dispatch(_Match_mode __match_mode, __bfs);

bool
      _M_is_word(_CharT __ch) const
      {
	static const _CharT __s[2] = { 'w' };
	return _M_re._M_automaton->_M_traits.isctype
	  (__ch, _M_re._M_automaton->_M_traits.lookup_classname(__s, __s+1));
      }

bool
      _M_at_begin() const
      {
	return _M_current == _M_begin
	  && !(_M_flags & (regex_constants::match_not_bol
			   | regex_constants::match_prev_avail));
      }

bool
      _M_at_end() const
      {
	return _M_current == _M_end
	  && !(_M_flags & regex_constants::match_not_eol);
      }

bool
      _M_word_boundary() const;

bool
      _M_lookahead(_StateIdT __next);

// Holds additional information used in BFS-mode.
      template<typename _SearchMode, typename _ResultsVec>
	struct _State_info;

template<typename _ResultsVec>
	struct _State_info<__bfs, _ResultsVec>
	{
	  explicit
	  _State_info(_StateIdT __start, size_t __n)
	  : _M_visited_states(new bool[__n]()), _M_start(__start)
	  { }

bool _M_visited(_StateIdT __i)
	  {
	    if (_M_visited_states[__i])
	      return true;
	    _M_visited_states[__i] = true;
	    return false;
	  }

void _M_queue(_StateIdT __i, const _ResultsVec& __res)
	  { _M_match_queue.emplace_back(__i, __res); }

// Dummy implementations for BFS mode.
	  _BiIter* _M_get_sol_pos() { return nullptr; }

// Saves states that need to be considered for the next character.
	  vector<pair<_StateIdT, _ResultsVec>>	_M_match_queue;
	  // Indicates which states are already visited.
	  unique_ptr<bool[]>			_M_visited_states;
	  // To record current solution.
	  _StateIdT _M_start;
	};

template<typename _ResultsVec>
	struct _State_info<__dfs, _ResultsVec>
	{
	  explicit
	  _State_info(_StateIdT __start, size_t) : _M_start(__start)
	  { }

// Dummy implementations for DFS mode.
	  bool _M_visited(_StateIdT) const { return false; }
	  void _M_queue(_StateIdT, const _ResultsVec&) { }

_BiIter* _M_get_sol_pos() { return &_M_sol_pos; }

// To record current solution.
	  _StateIdT _M_start;
	  _BiIter   _M_sol_pos;
	};

public:
      _ResultsVec                                           _M_cur_results;
      _BiIter                                               _M_current;
      _BiIter                                               _M_begin;
      const _BiIter                                         _M_end;
      const _RegexT&                                        _M_re;
      const _NFAT&                                          _M_nfa;
      _ResultsVec&                                          _M_results;
      vector<pair<_BiIter, int>>                            _M_rep_count;
      _State_info<__search_mode, _ResultsVec>		    _M_states;
      _FlagT                                                _M_flags;
      // Do we have a solution so far?
      bool                                                  _M_has_sol;
    };

//@} regex-detail
} // namespace __detail
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std

#include <bits/regex_executor.tcc>