gdb/testsuite/gdb.perf/gm-std.h

   1 /* Copyright (C) 2015-2018 Free Software Foundation, Inc.
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; either version 3 of the License, or
   6    (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  15
  16 #ifndef GM_STD_H
  17 #define GM_STD_H
  18
  19 #include <iostream>
  20
  21 namespace gm_std
  22 {
  23
  24 // Mock std::cerr, so we don't have to worry about the vagaries of the
  25 // system-provided one.  E.g., gcc pr 65669.
  26 // This contains just enough to exercise what we want to.
  27 template<typename T>
  28   class basic_ostream
  29 {
  30  public:
  31   std::ostream *stream;
  32 };
  33
  34 template<typename T>
  35   basic_ostream<T>&
  36 operator<< (basic_ostream<T>& out, const char* s)
  37 {
  38   (*out.stream) << s;
  39   return out;
  40 }
  41
  42 typedef basic_ostream<char> ostream;
  43
  44 // Inhibit implicit instantiations for required instantiations,
  45 // which are defined via explicit instantiations elsewhere.
  46 extern template class basic_ostream<char>;
  47 extern template ostream& operator<< (ostream&, const char*);
  48
  49 extern ostream cerr;
  50
  51 // Call this from main so we don't have to do the same tricks that
  52 // libstcd++ does with ios init'n.
  53 extern void init ();
  54
  55 }
  56
  57 #endif /* GM_STD_H */