home *** CD-ROM | disk | FTP | other *** search
- // $Id: GraphNode.C,v 1.7 1998/03/25 12:43:21 zeller Exp $
- // GraphNode class
-
- // Copyright (C) 1995 Technische Universitaet Braunschweig, Germany.
- // Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
- //
- // This file is part of DDD.
- //
- // DDD is free software; you can redistribute it and/or
- // modify it under the terms of the GNU General Public
- // License as published by the Free Software Foundation; either
- // version 2 of the License, or (at your option) any later version.
- //
- // DDD is distributed in the hope that it will be useful,
- // but WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- // See the GNU General Public License for more details.
- //
- // You should have received a copy of the GNU General Public
- // License along with DDD -- see the file COPYING.
- // If not, write to the Free Software Foundation, Inc.,
- // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- //
- // DDD is the data display debugger.
- // For details, see the DDD World-Wide-Web page,
- // `http://www.cs.tu-bs.de/softech/ddd/',
- // or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
-
- char GraphNode_rcsid[] =
- "$Id: GraphNode.C,v 1.7 1998/03/25 12:43:21 zeller Exp $";
-
- #ifdef __GNUG__
- #pragma implementation
- #pragma implementation "GraphNodeI.h"
- #endif
-
-
- #include "GraphNode.h"
-
- DEFINE_TYPE_INFO_0(GraphNode)
-
- // Representation invariant
- bool GraphNode::OK() const
- {
- GraphEdge *e;
-
- // check nodes
- for (e = firstFrom(); e != 0; e = nextFrom(e))
- assert(e->from() == this);
-
- for (e = firstTo(); e != 0; e = nextTo(e))
- assert(e->to() == this);
-
- return true;
- }
-