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 //      Class for to hold state for solving an assignment condition fragment.
25 //
26 #ifndef _assignmentConditionState_hh_
27 #define _assignmentConditionState_hh_
28 #include "conditionState.hh"
29 #include "substitution.hh"
30 
31 class AssignmentConditionState : public ConditionState
32 {
33 public:
34   AssignmentConditionState(RewritingContext& original,
35 			   LhsAutomaton* matcher,
36 			   DagNode* rhsInstance);
37   ~AssignmentConditionState();
38 
39   bool solve(bool findFirst, RewritingContext& solution);
40 
41 private:
42   Substitution saved;
43   RewritingContext* rhsContext;
44   Subproblem* subproblem;
45   bool succeeded;
46 };
47 
48 #endif
49