3 * Implementation of class signaling failure of operation. Considered
4 * obsolete all this stuff ought to be replaced by exceptions.
6 * GiNaC Copyright (C) 1999 Johannes Gutenberg University Mainz, Germany
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 // default constructor, destructor, copy constructor assignment operator and helpers
31 fail::fail() : basic(TINFO_fail)
33 debugmsg("fail default constructor",LOGLEVEL_CONSTRUCT);
38 debugmsg("fail destructor",LOGLEVEL_DESTRUCT);
42 fail::fail(fail const & other)
44 debugmsg("fail copy constructor",LOGLEVEL_CONSTRUCT);
48 fail const & fail::operator=(fail const & other)
50 debugmsg("fail operator=",LOGLEVEL_ASSIGNMENT);
60 void fail::copy(fail const & other)
65 void fail::destroy(bool call_parent)
67 if (call_parent) basic::destroy(call_parent);
78 // functions overriding virtual functions from bases classes
83 basic * fail::duplicate() const
85 debugmsg("fail duplicate",LOGLEVEL_DUPLICATE);
86 return new fail(*this);
91 int fail::compare_same_type(basic const & other) const
93 // two fails are always identical
98 // new virtual functions which can be overridden by derived classes
104 // non-virtual functions in this class
110 // static member variables
119 const fail some_fail;
120 type_info const & typeid_fail=typeid(some_fail);