libstdc++-v3/src/c++11/string-inst.cc

   1 // Components for manipulating sequences of characters -*- C++ -*-
   2
   3 // Copyright (C) 1997-2023 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 //
  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