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The C and C++ Include Header Files
cat -n /usr/include/c++/15/regex
1 // <regex> -*- C++ -*- 2 3 // Copyright (C) 2007-2025 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 #ifdef _GLIBCXX_SYSHDR 33 #pragma GCC system_header 34 #endif 35 36 #include <bits/requires_hosted.h> // string and container heavy 37 38 #if __cplusplus < 201103L 39 # include <bits/c++0x_warning.h> 40 #else 41 42 #include <bitset> 43 #include <locale> 44 #include <stack> 45 #include <stdexcept> 46 #include <string> 47 48 #include <ext/aligned_buffer.h> 49 #include <ext/numeric_traits.h> 50 #include <bits/shared_ptr.h> 51 #include <bits/std_function.h> 52 #include <bits/stl_algobase.h> // std::copy, std::fill_n 53 #include <bits/stl_algo.h> // std::sort, std::unique 54 #include <bits/stl_iterator_base_types.h> // std::iterator_traits 55 #include <bits/stl_pair.h> 56 #include <bits/stl_tree.h> 57 #include <bits/stl_map.h> 58 #include <bits/stl_vector.h> 59 #include <bits/stl_bvector.h> 60 #include <bits/vector.tcc> 61 #ifdef _GLIBCXX_DEBUG 62 # include <debug/vector> 63 #endif 64 #include <bits/regex_constants.h> 65 #include <bits/regex_error.h> 66 #include <bits/regex_automaton.h> 67 #include <bits/regex_scanner.h> 68 #include <bits/regex_compiler.h> 69 #include <bits/regex.h> 70 #include <bits/regex_executor.h> 71 72 #define __glibcxx_want_nonmember_container_access 73 #include <bits/version.h> 74 75 #if __cplusplus >= 201703L && _GLIBCXX_USE_CXX11_ABI 76 #include <bits/memory_resource.h> 77 namespace std _GLIBCXX_VISIBILITY(default) 78 { 79 _GLIBCXX_BEGIN_NAMESPACE_VERSION 80 namespace pmr 81 { 82 template<typename _BidirectionalIterator> 83 using match_results 84 = std::match_results<_BidirectionalIterator, polymorphic_allocator< 85 sub_match<_BidirectionalIterator>>>; 86 using cmatch = match_results<const char*>; 87 // Use __normal_iterator directly, because pmr::string::const_iterator 88 // would require pmr::polymorphic_allocator to be complete. 89 using smatch 90 = match_results<__gnu_cxx::__normal_iterator<const char*, string>>; 91 #ifdef _GLIBCXX_USE_WCHAR_T 92 using wcmatch = match_results<const wchar_t*>; 93 using wsmatch 94 = match_results<__gnu_cxx::__normal_iterator<const wchar_t*, wstring>>; 95 #endif 96 } // namespace pmr 97 _GLIBCXX_END_NAMESPACE_VERSION 98 } // namespace std 99 #endif // C++17 100 #endif // C++11 101 102 #endif // _GLIBCXX_REGEX