1// Components for manipulating sequences of characters -*- C++ -*-
2
3// Copyright (C) 1997-2022 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
53namespace 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
114namespace __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