1 // Components for manipulating sequences of characters -*- C++ -*- 2 3 // Copyright (C) 1997-2018 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 #define _GLIBCXX_DEFINING_STRING_INSTANTIATIONS 1 43 44 #include <string> 45 46 // Instantiation configuration. 47 #ifndef C 48 # define C char 49 #endif 50 51 namespace std _GLIBCXX_VISIBILITY(default) 52 { 53 _GLIBCXX_BEGIN_NAMESPACE_VERSION 54 55 typedef basic_string<C> S; 56 57 template class basic_string<C>; 58 template S operator+(const C*, const S&); 59 template S operator+(C, const S&); 60 template S operator+(const S&, const S&); 61 62 // Only one template keyword allowed here. 63 // See core issue #46 (NAD) 64 // http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#46 65 template 66 S::basic_string(C*, C*, const allocator<C>&); 67 68 template 69 S::basic_string(const C*, const C*, const allocator<C>&); 70 71 template 72 S::basic_string(S::iterator, S::iterator, const allocator<C>&); 73 74 #if _GLIBCXX_USE_CXX11_ABI 75 template 76 void 77 S::_M_construct(S::iterator, S::iterator, forward_iterator_tag); 78 79 template 80 void 81 S::_M_construct(S::const_iterator, S::const_iterator, 82 forward_iterator_tag); 83 84 template 85 void 86 S::_M_construct(C*, C*, forward_iterator_tag); 87 88 template 89 void 90 S::_M_construct(const C*, const C*, forward_iterator_tag); 91 92 #else // !_GLIBCXX_USE_CXX11_ABI 93 94 template 95 C* 96 S::_S_construct(S::iterator, S::iterator, 97 const allocator<C>&, forward_iterator_tag); 98 99 template 100 C* 101 S::_S_construct(C*, C*, const allocator<C>&, forward_iterator_tag); 102 103 template 104 C* 105 S::_S_construct(const C*, const C*, const allocator<C>&, 106 forward_iterator_tag); 107 #endif 108 109 _GLIBCXX_END_NAMESPACE_VERSION 110 } // namespace 111 112 namespace __gnu_cxx _GLIBCXX_VISIBILITY(default) 113 { 114 _GLIBCXX_BEGIN_NAMESPACE_VERSION 115 116 using std::S; 117 template bool operator==(const S::iterator&, const S::iterator&); 118 template bool operator==(const S::const_iterator&, const S::const_iterator&); 119 120 _GLIBCXX_END_NAMESPACE_VERSION 121 } // namespace 122