exception.C

/*
 * This file is part of the "Archon" framework.
 * (http://files3d.sourceforge.net)
 *
 * Copyright © 2002 by Kristian Spangsege and Brian Kristiansen.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation under the terms of the GNU General Public License is
 * hereby granted. No representations are made about the suitability of
 * this software for any purpose. It is provided "as is" without express
 * or implied warranty. See the GNU General Public License
 * (http://www.gnu.org/copyleft/gpl.html) for more details.
 *
 * The characters in this file are ISO8859-1 encoded.
 *
 * The documentation in this file is in "Doxygen" style
 * (http://www.doxygen.org).
 */

#include <iostream>

#include <archon/util/exception.H>
#include <archon/util/cxx_demangle.H>
#include <archon/util/text.H>

namespace Archon
{
  namespace Utilities
  {
    bool exceptionCatchInfo(Exception::Formatter format, string &result)
    {
      try { throw; }
      catch(Exception &e)
      {
        result = (*format)(typeid(e), e.getLocation(), e.getMessage());
        return true;
      }
      catch(std::exception &e)
      {
        result = (*format)(typeid(e), "", e.what());
        return true;
      }
      catch(...) {}
      return false;
    }

    string Exception::explainLong(const type_info &t, string l, string m)
    {
      string s = "\n"
        "**************** CAUGHT EXCEPTION ****************\n"
        "\n"
        "Type:     " + cxxDemangle(t.name()) + "\n"
        "Location: " + (l.size() ? l : "N/A") + "\n"
        "Message:  " + (m.size() ? m : "N/A") + "\n"
        "\n";
      if(l.size()) s += "NB: Considder starting this program in 'gdb'\n"
                     "and set a break point at the indicated location.\n"
                     "This should give you the relevant stacktrace.\n"
                     "\n";
      return s;
    }

    string Exception::explainLongUnknown()
    {
      string s = "\n"
        "**************** CAUGHT EXCEPTION ****************\n"
        "\n"
        "Type:     N/A\n"
        "Location: N/A\n"
        "Message:  N/A\n"
        "\n";
      return s;
    }

    string Exception::explainShort(const type_info &t, string l, string m)
    {
      string s = cxxDemangle(t.name());
      if(l.size()) s += ": " + l;
      if(m.size()) s += ": " + m;
      return s;
    }

    string Exception::explainShortUnknown()
    {
      return "Unknown exception";
    }

    string Exception::line(long l)
    {
      return Text::toString(l);
    }
  }
}

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