1 /* 2 3 This file is part of the Maude 2 interpreter. 4 5 Copyright 1997-2003 SRI International, Menlo Park, CA 94025, USA. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. 20 21 */ 22 23 // 24 // Abstract base class for maps from symbols to symbols. 25 // 26 #ifndef _symbolMap_hh_ 27 #define _symbolMap_hh_ 28 29 class SymbolMap 30 { 31 public: 32 // 33 // For safety since this class is intended to be derived from. 34 // ~SymbolMap()35 virtual ~SymbolMap() {} 36 // 37 // If translate() returns 0, this indicates that the symbol will 38 // be translated by a term an that the entire construction will be 39 // handled by calling makeTranslatedTerm() the orginal term. 40 // 41 virtual Symbol* translate(Symbol* symbol) = 0; 42 virtual Term* translateTerm(const Term* term) = 0; 43 // 44 // This functions returns the symbol that has the same name and 45 // and domain/range sort names as that of its argument, but in 46 // the target module (into which translations are being made). 47 // 48 virtual Symbol* findTargetVersionOfSymbol(Symbol* symbol) = 0; 49 }; 50 51 #endif 52