// $Id$ // Calling user-defined VSL functions // Copyright (C) 1995 Technische Universitaet Braunschweig, Germany. // Written by Andreas Zeller <zeller@gnu.org>. // // 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 3 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, see <http://www.gnu.org/licenses/>. // // DDD is the data display debugger. // For details, see the DDD World-Wide-Web page, // `http://www.gnu.org/software/ddd/', // or send a mail to the DDD developers <ddd@gnu.org>. #ifndef _DDD_DefCallNode_h #define _DDD_DefCallNode_h // A DefCallNode evaluates a user-defined VSL function #include "assert.h" #include <iostream> #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; const char *func_name() const; bool matches(const VSLNode& node) const { return matchesAll || (CallNode::matches(node) && _deflist == ((const DefCallNode *)&node)->_deflist); // dirty trick } private: DefCallNode& operator = (const DefCallNode&); public: // Copy VSLNode *dup() const { return new DefCallNode(*this); } // Create from def DefCallNode(VSLDef *def, VSLNode *arg, const char *type = "DefCallNode"); // Create from list of defs DefCallNode(VSLDefList *deflist, VSLNode *arg, const 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); void rebind(const class VSLLib *lib); bool isDefCallNode() const { return true; } // Representation invariant bool OK() const; }; #endif