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 structs shared between FreeLhsAutomaton and FreeRemainder.
25 //
26 #ifndef _freeLhsStructs_hh_
27 #define _freeLhsStructs_hh_
28 
29 class FreeLhsStructs
30 {
31 protected:
32   struct FreeVariable
33     {
34       short position;
35       short argIndex;
36       int varIndex;
37       Sort* sort;
38     };
39 
40   struct BoundVariable
41     {
42       short position;
43       short argIndex;
44       int varIndex;
45     };
46 
47   struct GroundAlien
48     {
49       short position;
50       short argIndex;
51       Term* alien;
52     };
53 
54   struct NonGroundAlien
55     {
56       short position;
57       short argIndex;
58       LhsAutomaton* automaton;
59     };
60 };
61 
62 #endif
63