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The C and C++ Include Header Files

/usr/include/c++/13/regex


$ cat -n /usr/include/c++/13/regex

     1	// <regex> -*- C++ -*-
     2	
     3	// Copyright (C) 2007-2023 Free Software Foundation, Inc.
     4	//
     5	// This file is part of the GNU ISO C++ Library.  This library is free
     6	// software; you can redistribute it and/or modify it under the
     7	// terms of the GNU General Public License as published by the
     8	// Free Software Foundation; either version 3, or (at your option)
     9	// any later version.
    10	
    11	// This library is distributed in the hope that it will be useful,
    12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
    13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14	// GNU General Public License for more details.
    15	
    16	// Under Section 7 of GPL version 3, you are granted additional
    17	// permissions described in the GCC Runtime Library Exception, version
    18	// 3.1, as published by the Free Software Foundation.
    19	
    20	// You should have received a copy of the GNU General Public License and
    21	// a copy of the GCC Runtime Library Exception along with this program;
    22	// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
    23	// <http://www.gnu.org/licenses/>.
    24	
    25	/** @file include/regex
    26	 *  This is a Standard C++ Library header.
    27	 */
    28	
    29	#ifndef _GLIBCXX_REGEX
    30	#define _GLIBCXX_REGEX 1
    31	
    32	#pragma GCC system_header
    33	
    34	#include <bits/requires_hosted.h> // string and container heavy
    35	
    36	#if __cplusplus < 201103L
    37	# include <bits/c++0x_warning.h>
    38	#else
    39	
    40	#include <bitset>
    41	#include <locale>
    42	#include <sstream>
    43	#include <stack>
    44	#include <stdexcept>
    45	#include <string>
    46	
    47	#include <ext/aligned_buffer.h>
    48	#include <ext/numeric_traits.h>
    49	#include <bits/shared_ptr.h>
    50	#include <bits/std_function.h>
    51	#include <bits/stl_algobase.h> // std::copy, std::fill_n
    52	#include <bits/stl_algo.h>     // std::sort, std::unique
    53	#include <bits/stl_iterator_base_types.h> // std::iterator_traits
    54	#include <bits/stl_pair.h>
    55	#include <bits/stl_tree.h>
    56	#include <bits/stl_map.h>
    57	#include <bits/stl_vector.h>
    58	#include <bits/stl_bvector.h>
    59	#include <bits/vector.tcc>
    60	#ifdef _GLIBCXX_DEBUG
    61	# include <debug/vector>
    62	#endif
    63	#include <bits/regex_constants.h>
    64	#include <bits/regex_error.h>
    65	#include <bits/regex_automaton.h>
    66	#include <bits/regex_scanner.h>
    67	#include <bits/regex_compiler.h>
    68	#include <bits/regex.h>
    69	#include <bits/regex_executor.h>
    70	
    71	#if __cplusplus >= 201703L && _GLIBCXX_USE_CXX11_ABI
    72	#include <bits/memory_resource.h>
    73	namespace std _GLIBCXX_VISIBILITY(default)
    74	{
    75	_GLIBCXX_BEGIN_NAMESPACE_VERSION
    76	  namespace pmr
    77	  {
    78	    template<typename _BidirectionalIterator>
    79	      using match_results
    80		= std::match_results<_BidirectionalIterator, polymorphic_allocator<
    81					sub_match<_BidirectionalIterator>>>;
    82	    using cmatch = match_results<const char*>;
    83	    // Use __normal_iterator directly, because pmr::string::const_iterator
    84	    // would require pmr::polymorphic_allocator to be complete.
    85	    using smatch
    86	      = match_results<__gnu_cxx::__normal_iterator<const char*, string>>;
    87	#ifdef _GLIBCXX_USE_WCHAR_T
    88	    using wcmatch = match_results<const wchar_t*>;
    89	    using wsmatch
    90	      = match_results<__gnu_cxx::__normal_iterator<const wchar_t*, wstring>>;
    91	#endif
    92	  } // namespace pmr
    93	_GLIBCXX_END_NAMESPACE_VERSION
    94	} // namespace std
    95	#endif // C++17
    96	#endif // C++11
    97	
    98	#endif // _GLIBCXX_REGEX