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      1 // <vstring.h> Forward declarations -*- C++ -*-
      2 
      3 // Copyright (C) 2005-2013 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 /** @file ext/vstring_fwd.h
     26  *  This is an internal header file, included by other library headers.
     27  *  Do not attempt to use it directly. @headername{ext/vstring.h}
     28  */
     29 
     30 #ifndef _VSTRING_FWD_H
     31 #define _VSTRING_FWD_H 1
     32 
     33 #pragma GCC system_header
     34 
     35 #include <bits/c++config.h>
     36 #include <bits/char_traits.h>
     37 #include <bits/allocator.h>
     38 
     39 namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
     40 {
     41 _GLIBCXX_BEGIN_NAMESPACE_VERSION
     42 
     43   template<typename _CharT, typename _Traits, typename _Alloc>
     44     class __sso_string_base;
     45 
     46   template<typename _CharT, typename _Traits, typename _Alloc>
     47     class __rc_string_base;
     48 
     49   template<typename _CharT, typename _Traits = std::char_traits<_CharT>,
     50            typename _Alloc = std::allocator<_CharT>,
     51 	   template
     52 	   <typename, typename, typename> class _Base = __sso_string_base>
     53     class __versa_string;
     54 
     55   typedef __versa_string<char>                              __vstring;
     56   typedef __vstring                                         __sso_string;
     57   typedef
     58   __versa_string<char, std::char_traits<char>,
     59 		 std::allocator<char>, __rc_string_base>    __rc_string;
     60 
     61 #ifdef _GLIBCXX_USE_WCHAR_T
     62   typedef __versa_string<wchar_t>                           __wvstring;
     63   typedef __wvstring                                        __wsso_string;
     64   typedef
     65   __versa_string<wchar_t, std::char_traits<wchar_t>,
     66 		 std::allocator<wchar_t>, __rc_string_base> __wrc_string;
     67 #endif
     68 
     69 #if ((__cplusplus >= 201103L) \
     70      && defined(_GLIBCXX_USE_C99_STDINT_TR1))
     71 
     72   typedef __versa_string<char16_t>                          __u16vstring;
     73   typedef __u16vstring                                      __u16sso_string;
     74   typedef
     75   __versa_string<char16_t, std::char_traits<char16_t>,
     76 		 std::allocator<char16_t>, __rc_string_base> __u16rc_string;
     77 
     78   typedef __versa_string<char32_t>                          __u32vstring;
     79   typedef __u32vstring                                      __u32sso_string;
     80   typedef
     81   __versa_string<char32_t, std::char_traits<char32_t>,
     82 		 std::allocator<char32_t>, __rc_string_base> __u32rc_string;
     83 
     84 #endif
     85 
     86 _GLIBCXX_END_NAMESPACE_VERSION
     87 } // namespace
     88 
     89 #endif /* _VSTRING_FWD_H */
     90