Home | History | Annotate | Line # | Download | only in c++11 
      1 // Components for manipulating sequences of characters -*- C++ -*-
      2 
      3 // Copyright (C) 1997-2024 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