1 // Components for manipulating sequences of characters -*- C++ -*- 2 3 // Copyright (C) 1997-2020 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 // 26 // ISO C++ 14882: 21 Strings library 27 // 28 29 // Written by Jason Merrill based upon the specification by Takanori Adachi 30 // in ANSI X3J16/94-0013R2. Rewritten by Nathan Myers. 31 32 #ifndef _GLIBCXX_USE_CXX11_ABI 33 // Instantiations in this file use the new SSO std::string ABI unless included 34 // by another file which defines _GLIBCXX_USE_CXX11_ABI=0. 35 # define _GLIBCXX_USE_CXX11_ABI 1 36 #endif 37 38 // Prevent the basic_string(const _CharT*, const _Alloc&) and 39 // basic_string(size_type, _CharT, const _Alloc&) constructors from being 40 // replaced by constrained function templates, so that we instantiate the 41 // pre-C++17 definitions. 42 // This also causes the instantiation of the non-standard C++0x-era 43 // insert(iterator, initializer_list<C>) overload, see PR libstdc++/83328 44 #define _GLIBCXX_DEFINING_STRING_INSTANTIATIONS 1 45 46 #include <string> 47 48 // Instantiation configuration. 49 #ifndef C 50 # define C char 51 #endif 52 53 namespace std _GLIBCXX_VISIBILITY(default) 54 { 55 _GLIBCXX_BEGIN_NAMESPACE_VERSION 56 57 typedef basic_string<C> S; 58 59 template class basic_string<C>; 60 template S operator+(const C*, const S&); 61 template S operator+(C, const S&); 62 template S operator+(const S&, const S&); 63 64 // Only one template keyword allowed here. 65 // See core issue #46 (NAD) 66 // http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#46 67 template 68 S::basic_string(C*, C*, const allocator<C>&); 69 70 template 71 S::basic_string(const C*, const C*, const allocator<C>&); 72 73 template 74 S::basic_string(S::iterator, S::iterator, const allocator<C>&); 75 76 #if _GLIBCXX_USE_CXX11_ABI 77 template 78 void 79 S::_M_construct(S::iterator, S::iterator, forward_iterator_tag); 80 81 template 82 void 83 S::_M_construct(S::const_iterator, S::const_iterator, 84 forward_iterator_tag); 85 86 template 87 void 88 S::_M_construct(C*, C*, forward_iterator_tag); 89 90 template 91 void 92 S::_M_construct(const C*, const C*, forward_iterator_tag); 93 94 #else // !_GLIBCXX_USE_CXX11_ABI 95 96 template 97 C* 98 S::_S_construct(S::iterator, S::iterator, 99 const allocator<C>&, forward_iterator_tag); 100 101 template 102 C* 103 S::_S_construct(C*, C*, const allocator<C>&, forward_iterator_tag); 104 105 template 106 C* 107 S::_S_construct(const C*, const C*, const allocator<C>&, 108 forward_iterator_tag); 109 #endif 110 111 _GLIBCXX_END_NAMESPACE_VERSION 112 } // namespace 113 114 namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) 115 { 116 _GLIBCXX_BEGIN_NAMESPACE_VERSION 117 118 using std::S; 119 template bool operator==(const S::iterator&, const S::iterator&); 120 template bool operator==(const S::const_iterator&, const S::const_iterator&); 121 122 _GLIBCXX_END_NAMESPACE_VERSION 123 } // namespace 124