3 * Implementation of class signaling failure of operation. Considered
4 * obsolete all this stuff ought to be replaced by exceptions. */
7 * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 // default constructor, destructor, copy constructor assignment operator and helpers
35 fail::fail() : basic(TINFO_fail)
37 debugmsg("fail default constructor",LOGLEVEL_CONSTRUCT);
42 debugmsg("fail destructor",LOGLEVEL_DESTRUCT);
46 fail::fail(fail const & other)
48 debugmsg("fail copy constructor",LOGLEVEL_CONSTRUCT);
52 fail const & fail::operator=(fail const & other)
54 debugmsg("fail operator=",LOGLEVEL_ASSIGNMENT);
64 void fail::copy(fail const & other)
69 void fail::destroy(bool call_parent)
71 if (call_parent) basic::destroy(call_parent);
82 // functions overriding virtual functions from bases classes
87 basic * fail::duplicate() const
89 debugmsg("fail duplicate",LOGLEVEL_DUPLICATE);
90 return new fail(*this);
95 int fail::compare_same_type(basic const & other) const
97 // two fails are always identical
102 // new virtual functions which can be overridden by derived classes
108 // non-virtual functions in this class
114 // static member variables
123 const fail some_fail;
124 type_info const & typeid_fail=typeid(some_fail);