progs/tools/trace/gltrace_support.h

   1 // -*- c++ -*-   (emacs c++ mode)
   2 /*
   3  * Copyright (C) 2006  Thomas Sondergaard   All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included
  13  * in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  16  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  19  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  20  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  21  */
  22 #ifndef GLTRACE_SUPPORT_H
  23 #define GLTRACE_SUPPORT_H
  24
  25 #include <string>
  26 #include <iostream>
  27 #include <memory>
  28
  29 namespace gltrace {
  30
  31   const int MAX_STACKFRAMES = 100;
  32
  33   /// Returns the stack trace of the current thread
  34   std::string getStackTrace(int count = MAX_STACKFRAMES, int first = 0);
  35
  36   std::ostream &timeNow(std::ostream &os);
  37
  38   struct logstream : public std::ostream {
  39
  40     /// Opens a logstream - if filename is null, stderr will be used
  41     logstream(const char *filename = 0);
  42
  43   private:
  44     std::auto_ptr<std::ofstream> file_os;
  45   };
  46
  47   struct Config {
  48     bool logCalls;
  49     bool checkErrors;
  50     bool logTime;
  51     logstream log;
  52
  53     Config();
  54   };
  55
  56   extern Config config;
  57
  58 } // namespace gltrace
  59
  60 #define GLTRACE_LOG(x) \
  61    { if (config.logTime) config.log << timeNow << ": "; config.log << x << "\n"; }
  62
  63 #endif // GLTRACE_SUPPORT_H
  64
  65