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 left hand side automata that just bind a variable and call
25 //	another lhs automaton to do the real work.
26 //
27 #ifndef _bindingLhsAutomaton_hh_
28 #define _bindingLhsAutomaton_hh_
29 #include "lhsAutomaton.hh"
30 
31 class BindingLhsAutomaton : public LhsAutomaton
32 {
33   NO_COPYING(BindingLhsAutomaton);
34 
35 public:
36   BindingLhsAutomaton(int variableIndex, LhsAutomaton* realLhsAutomaton);
37   ~BindingLhsAutomaton();
38   //
39   //	Standard LhsAutomaton operations.
40   //
41   bool match(DagNode* subject,
42              Substitution& solution,
43              Subproblem*& returnedSubproblem,
44              ExtensionInfo* extensionInfo);
45 
46 #ifdef DUMP
47   void dump(ostream& s, const VariableInfo& variableInfo, int indentLevel);
48 #endif
49 
50 private:
51   const int variableIndex;
52   LhsAutomaton* const realLhsAutomaton;
53 };
54 
55 #endif
56