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
27 // default constructor, destructor, copy constructor assignment operator and helpers
32 fail::fail() : basic(TINFO_fail)
34 debugmsg("fail default constructor",LOGLEVEL_CONSTRUCT);
39 debugmsg("fail destructor",LOGLEVEL_DESTRUCT);
43 fail::fail(fail const & other)
45 debugmsg("fail copy constructor",LOGLEVEL_CONSTRUCT);
49 fail const & fail::operator=(fail const & other)
51 debugmsg("fail operator=",LOGLEVEL_ASSIGNMENT);
61 void fail::copy(fail const & other)
66 void fail::destroy(bool call_parent)
68 if (call_parent) basic::destroy(call_parent);
79 // functions overriding virtual functions from bases classes
84 basic * fail::duplicate() const
86 debugmsg("fail duplicate",LOGLEVEL_DUPLICATE);
87 return new fail(*this);
92 int fail::compare_same_type(basic const & other) const
94 // two fails are always identical
99 // new virtual functions which can be overridden by derived classes
105 // non-virtual functions in this class
111 // static member variables
120 const fail some_fail;
121 type_info const & typeid_fail=typeid(some_fail);