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 // Implementation for VariableLhsAutomaton.
25 //
26
27 // utility stuff
28 #include "macros.hh"
29 #include "vector.hh"
30 #include "indent.hh"
31
32 // forward declarations
33 #include "interface.hh"
34 #include "core.hh"
35
36 // interface class definitions
37 #include "symbol.hh"
38 #include "dagNode.hh"
39 #include "lhsAutomaton.hh"
40
41 // core class definitions
42 #include "variableSymbol.hh"
43 #include "variableInfo.hh"
44 #include "substitution.hh"
45 #include "variableLhsAutomaton.hh"
46
VariableLhsAutomaton(int index,const Sort * sort,bool copyToAvoidOverwriting)47 VariableLhsAutomaton::VariableLhsAutomaton(int index,
48 const Sort* sort,
49 bool copyToAvoidOverwriting)
50 : index(index),
51 sort(sort),
52 copyToAvoidOverwriting(copyToAvoidOverwriting)
53 {
54 }
55
56 bool
match(DagNode * subject,Substitution & solution,Subproblem * & returnedSubproblem,ExtensionInfo * extensionInfo)57 VariableLhsAutomaton::match(DagNode* subject,
58 Substitution& solution,
59 Subproblem*& returnedSubproblem,
60 ExtensionInfo* extensionInfo)
61 {
62 return subject->matchVariable(index,
63 sort,
64 copyToAvoidOverwriting,
65 solution,
66 returnedSubproblem,
67 extensionInfo);
68 }
69
70 #ifdef DUMP
71 void
dump(ostream & s,const VariableInfo & variableInfo,int indentLevel)72 VariableLhsAutomaton::dump(ostream& s, const VariableInfo& variableInfo, int indentLevel)
73 {
74 s << Indent(indentLevel) << "Begin{VariableLhsAutomaton}\n";
75 s << Indent(indentLevel + 1) << "index = " << index <<
76 " \"" << variableInfo.index2Variable(index) <<
77 "\"\tsort = " << sort <<
78 "\tcopyToAvoidOverwriting = " << copyToAvoidOverwriting << '\n';
79 s << Indent(indentLevel) << "End{VariableLhsAutomaton}\n";
80 }
81 #endif
82