1 /* 2 3 This file is part of the Maude 2 interpreter. 4 5 Copyright 1997-2006 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 expressions in the strategy language. 25 // 26 #ifndef _strategyExpression_hh_ 27 #define _strategyExpression_hh_ 28 #include "strategicExecution.hh" 29 30 class StrategyExpression 31 { 32 public: ~StrategyExpression()33 virtual ~StrategyExpression() {} 34 virtual StrategicExecution::Survival decompose(StrategicSearch& searchObject, DecompositionProcess* remainder) = 0; 35 }; 36 37 ostream& operator<<(ostream& s, StrategyExpression* strategy); 38 39 #endif 40