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- // $Id: DummyNode.h,v 1.10 1998/11/23 17:43:25 zeller Exp $
- // A DummyNode returns a DummyBox
-
- // 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>.
-
- #ifndef _DDD_DummyNode_h
- #define _DDD_DummyNode_h
-
- #ifdef __GNUG__
- #pragma interface
- #endif
-
-
- // A DummyNode returns a DummyBox at run-time.
- // A DummyNode matches all other nodes if `DummyNode::matchesAll' is true.
-
- #include "assert.h"
- #include <iostream.h>
-
- #include "VSLNode.h"
- #include "Box.h"
- #include "DummyBox.h"
-
- // DummyNode
-
- class DummyNode: public VSLNode {
- public:
- DECLARE_TYPE_INFO
-
- protected:
- DummyNode(const DummyNode& node):
- VSLNode(node)
- {}
-
- void dump(ostream& s) const
- {
- s << "_";
- }
-
- bool matches(const VSLNode& node) const
- {
- return matchesAll || VSLNode::matches(node);
- }
-
- public:
- // Constructor
- DummyNode(char *type = "DummyNode")
- : VSLNode(type)
- {}
-
- // Copy
- VSLNode *dup() const
- {
- return new DummyNode(*this);
- }
-
- const Box *_eval(ListBox *) const
- {
- return new DummyBox;
- }
-
- static bool matchesAll;
-
- bool isConst() const { return true; }
- bool isDummyNode() const { return true; }
- };
-
- #endif
-