cdesktopenv/cde/programs/dtinfo/mmdb/dti_excs/test12.C

95 lines
2.1 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
// $XConsortium: test12.cc /main/3 1996/06/11 16:52:43 cde-hal $
#include <stdio.h>
#include "Exceptions.hh"
#include <signal.h>
void
catch_abort (int, ...)
{
puts ("Abort (core not dumped)");
// Exit normally so Purify can report.
exit (1);
}
class ErrorString : public Exception
{
public:
DECLARE_EXCEPTION (ErrorString, Exception);
ErrorString (char *s)
{ msg = s; }
char *msg;
};
void
do_something()
{
try
{
throw (ErrorString ("<error message from do_something>"));
}
// Catch the more general exception first -- a definite mistake.
catch (Exception &,e)
{
puts ("Caught in do_something, rethrowing.");
rethrow;
}
catch (ErrorString &,e)
{
puts ("This will never be printed.");
}
end_try;
}
int
main()
{
INIT_EXCEPTIONS();
puts ("Testing mult-depth throws of different exceptions.");
#ifdef MUST_EXIT
signal (SIGABRT, catch_abort);
#endif
try
{
do_something();
}
// Do it right in this section.
catch (ErrorString &,e)
{
puts ("Caught exception back in main.");
puts (e.msg);
}
catch (Exception &,e)
{
puts ("This will never be printed.");
}
end_try;
}