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- // $Id: DefCallN.h,v 1.11 1998/11/23 17:43:22 zeller Exp $
- // Calling user-defined VSL functions
-
- // 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_DefCallNode_h
- #define _DDD_DefCallNode_h
-
- #ifdef __GNUG__
- #pragma interface
- #endif
-
-
- // A DefCallNode evaluates a user-defined VSL function
-
-
- #include "assert.h"
- #include <iostream.h>
-
- #include "VSLNode.h"
- #include "CallNode.h"
-
- #include "VSLDefList.h"
- #include "VSLDef.h"
-
- // DefCallNode
-
- class DefCallNode: public CallNode {
- public:
- DECLARE_TYPE_INFO
-
- private:
- VSLDef *_def; // points to definition if unambiguous, else 0
- VSLDefList *_deflist; // points to possible definitions
-
- protected:
- DefCallNode(const DefCallNode& node);
-
- const Box *call(Box *arg) const;
-
- char *func_name() const;
-
- bool matches(const VSLNode& node) const
- {
- return matchesAll ||
- (CallNode::matches(node) &&
- _deflist == ((DefCallNode *)&node)->_deflist); // dirty trick
- }
-
- private:
- DefCallNode& operator = (const DefCallNode&)
- {
- assert(0); return *this;
- }
-
- public:
- // Copy
- VSLNode *dup() const
- {
- return new DefCallNode(*this);
- }
-
- // Create from def
- DefCallNode(VSLDef *def, VSLNode *arg, char *type = "DefCallNode");
-
- // Create from list of defs
- DefCallNode(VSLDefList *deflist, VSLNode *arg, char *type = "DefCallNode");
-
- // Destructor
- ~DefCallNode();
-
- int countSelfReferences(VSLDef *cdef, VSLDefList *deflist);
- int resolveDefs(VSLDef *cdef, bool complain_recursive);
- int resolveSynonyms(VSLDef *cdef, VSLNode **node);
- int inlineFuncs(VSLDef *cdef, VSLNode **node);
-
- bool isDefCallNode() const { return true; }
-
- // Representation invariant
- bool OK() const;
- };
-
- #endif
-