// $Id$ // VSL Variable names // 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_NameNode_h #define _DDD_NameNode_h // A NameNode is a place holder for a variable name. #include "assert.h" #include <iostream> #include "strclass.h" #include "VSLNode.h" // NameNode class NameNode: public VSLNode { public: DECLARE_TYPE_INFO private: string _name; // Variable name protected: NameNode(const NameNode& node): VSLNode(node), _name(node._name) {} void dump(std::ostream& s) const; void _dumpTree(std::ostream& s) const; public: // Constructor NameNode(const string& nm, const char *type = "NameNode"): VSLNode(type), _name(nm) {} // Copy VSLNode *dup() const { return new NameNode(*this); } // Evaluate const Box *_eval(ListBox *) const { assert(0); return 0; } // Properties bool isConst() const { return false; } bool isNameNode() const { return true; } unsigned nargs() const { return 1; } // Replace name by variable int resolveName(VSLDef *cdef, VSLNode **node, const string& name, unsigned id); const string& firstName() const { return _name; } // Representation invariant bool OK() const; }; #endif