/** @file

    $Id$

    $Date$
    $Author$

    @copy © Marc Wäckerlin
    @license LGPL, see file <a href="license.html">COPYING</a>

    $Log$
    Revision 1.2  2004/08/28 16:21:25  marc
    mrw-c++-0.92 (mrw)
    - new file: version.cxx
    - new file header for all sources
    - work around warning in mrw::auto<T>
    - possibility to compile without log4cxx
    - work around bugs in demangle.h and libiberty.h
    - corrections in documentation
    - added simple tracing mechanism
    - more warnings
    - small corrections in Auto<>::Free and a new test for it
    - possibility to compile without stack trace

*/
#include <mrw/exception.hxx>

#ifdef HAVE_STACKTRACE
# include <mrw/stacktrace.hxx>
#else
  namespace mrw {
    class StackTrace {
      public:
      operator std::string() noexcept {return "";}
    };
  }
#endif

namespace mrw {
  exception::exception() :
    _stacktrace(new StackTrace) {
  }
  exception::~exception() noexcept {
    delete _stacktrace;
  }
  const std::string& exception::stacktrace() const {
    static const std::string st(*_stacktrace);
    return st;
  }
}