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cdesktop/cde/programs/dtinfo/mmdb/dti_excs/test17.C
2018-04-28 12:30:20 -06:00

128 lines
2.7 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: test17.C /main/5 1996/09/27 19:03:16 drk $
#include <stdio.h>
#include "Exceptions.hh"
#include <signal.h>
/* Throwing from constructor is not supported. See test18.C. */
void
catch_abort (int, ...)
{
puts ("Abort (core not dumped)");
// Exit normally so Purify can report.
exit (1);
}
class MemberClass : public Destructable
{
public:
char *name;
MemberClass (char *s)
: name(s)
{ printf ("Constructing MemberClass `%s' @ 0x%p\n", name, this);
throw (Exception()); }
~MemberClass()
{ printf ("Destructing MemberClass\n", name); }
};
class BaseClass : public Destructable
{
public:
MemberClass m1;
BaseClass()
: m1("m1")
{
puts ("Constructing BaseClass");
throw (Exception());
}
~BaseClass()
{ puts ("Destructing BaseClass"); }
};
class DerivedClass : public BaseClass
{
public:
MemberClass m3;
DerivedClass()
: m3("m3")
{ puts ("Constructing DerivedClass"); }
~DerivedClass()
{ puts ("Destructing DerivedClass"); }
};
class ErrorString : public Exception
{
public:
DECLARE_EXCEPTION (ErrorString, Exception);
ErrorString (char *s)
{ msg = s; }
char *msg;
};
void
do_something()
{
printf ("Calling do_something()\n");
DerivedClass derived_class;
throw (ErrorString ("Tossed my cookies in do_something"));
}
int
main()
{
INIT_EXCEPTIONS();
printf ("Sizeof Destructable = %d\n", (int)sizeof (Destructable));
puts ("Testing destructor calling sequence during throw.");
#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 ("Caught a vanilla exception.");
}
end_try;
}