Java > Open Source Codes > CalcParser


1 import ro.infoiasi.donald.compiler.parser.runtime.*;
2
3
4 public class CalcParser extends SkeletonLRParser {
5     public CalcParser() {
6         super();
7     }
8
9     public CalcParser(parser.runtime.Lexer lex) {
10         super(lex);
11     }
12
13     public short[][] getProductionTable() {
14         return unpackFromStrings(new String [] {
15         "\000\016\000\002\002\004\000\002\002\003\000\002\007" +
16         "\002\000\002\003\005\000\002\004\005\000\002\004\005" +
17         "\000\002\004\003\000\002\005\005\000\002\005\005\000" +
18         "\002\005\003\000\002\006\005\000\002\006\003\000\002" +
19         "\006\003\000\002\010\004" });
20     }
21
22     public short[][] getActionTable() {
23         return unpackFromStrings(new String [] {
24         "\000\027\000\012\002\002\002\002\002\002\011\002\012" +
25         "\013\000\012\015\002\002\002\002\002\011\002\012\013" +
26         "\000\012\000\002\002\002\002\002\000\002\000\000\000" +
27         "\012\002\uffff\002\002\002\002\002\002\002\002\000\012" +
28         "\002\ufffb\017\020\021\022\002\ufffb\002\002\000\012\002" +
29         "\ufff8\ufff8\ufff8\ufff8\ufff8\002\ufff8\002\002\000\012\002\002" +
30         "\002\002\002\002\011\002\012\013\000\012\002\ufff6\ufff6" +
31         "\ufff6\ufff6\ufff6\002\ufff6\002\002\000\012\002\ufff5\ufff5\ufff5" +
32         "\ufff5\ufff5\002\ufff5\002\002\000\012\001\002\002\002\002" +
33         "\002\001\002\001\001\000\012\ufff4\002\002\002\002\002" +
34         "\002\002\002\002\000\012\002\024\002\002\002\002\002" +
35         "\002\002\002\000\012\002\002\002\002\002\002\011\002" +
36         "\012\013\000\012\002\002\002\002\002\002\011\002\012" +
37         "\013\000\012\002\002\002\002\002\002\011\002\012\013" +
38         "\000\012\002\002\002\002\002\002\011\002\012\013\000" +
39         "\012\002\002\002\002\002\002\002\031\002\002\000\012" +
40         "\ufffe\002\002\002\002\002\ufffe\002\ufffe\ufffe\000\012\002" +
41         "\ufffd\002\002\002\002\002\ufffd\002\002\000\012\002\ufffc" +
42         "\002\002\002\002\002\ufffc\002\002\000\012\002\ufffa\ufffa" +
43         "\ufffa\ufffa\ufffa\002\ufffa\002\002\000\012\002\ufff9\ufff9\ufff9" +
44         "\ufff9\ufff9\002\ufff9\002\002\000\012\002\ufff7\ufff7\ufff7\ufff7" +
45         "\ufff7\002\ufff7\002\002" });
46     }
47
48     public short[][] getGotoTable() {
49         return unpackFromStrings(new String [] {
50         "\000\027\000\007\003\004\005\006\007\001\001\000\007" +
51         "\001\013\005\006\007\001\001\000\007\001\001\001\001" +
52         "\001\001\001\000\007\001\001\001\001\001\015\001\000" +
53         "\007\001\001\001\001\001\001\001\000\007\001\001\001" +
54         "\001\001\001\001\000\007\001\001\022\006\007\001\001" +
55         "\000\007\001\001\001\001\001\001\001\000\007\001\001" +
56         "\001\001\001\001\001\000\007\001\001\001\001\001\001" +
57         "\001\000\007\001\001\001\001\001\001\001\000\007\001" +
58         "\001\001\001\001\001\001\000\007\001\001\024\006\007" +
59         "\001\001\000\007\001\001\025\006\007\001\001\000\007" +
60         "\001\001\001\001\026\001\001\000\007\001\001\001\001" +
61         "\027\001\001\000\007\001\001\001\001\001\001\001\000" +
62         "\007\001\001\001\001\001\001\001\000\007\001\001\001" +
63         "\001\001\001\001\000\007\001\001\001\001\001\001\001" +
64         "\000\007\001\001\001\001\001\001\001\000\007\001\001" +
65         "\001\001\001\001\001\000\007\001\001\001\001\001\001" +
66         "\001" });
67     }
68
69     protected SJCC$CalcParser$Actions actionObject;
70
71     protected void initActions() {
72         actionObject = new SJCC$CalcParser$Actions(this);
73     }
74
75     public final parser.runtime.StackSymbol doAction (
76             int action, parser.runtime.SkeletonLRParser parser,
77             java.util.Stack stack) throws java.lang.Exception {
78         return actionObject.SJCC$CalcParser$doAction(action, parser, stack);
79     }
80
81     public int getStartState() {
82         return 0;
83     }
84
85     public int getStartProduction() {
86         return 13;
87     }
88
89     public int getEOF() {
90         return 0;
91     }
92     public int getTokenOffset() {
93         return 7;
94     }
95 }
96
97 class SJCC$CalcParser$Actions {
98     private final CalcParser parser;
99
100     SJCC$CalcParser$Actions(CalcParser parser) {
101         this.parser = parser;
102     }
103
104     public final parser.runtime.StackSymbol SJCC$CalcParser$doAction(
105             int SJCC$CalcParser$action,
106             parser.runtime.SkeletonLRParser SJCC$CalcParser$parser,
107             java.util.Stack SJCC$CalcParser$stack) throws java.lang.Exception {
108
109         switch (SJCC$CalcParser$action) {
110             case 0: // expr_list ::= expr_list expr_part
111 {
112                 Object RESULT = null;
113                 return new parser.runtime.StackSymbol(0 /*expr_list*/, RESULT);
114             }
115             case 1: // expr_list ::= expr_part
116 {
117                 Object RESULT = null;
118                 return new parser.runtime.StackSymbol(0 /*expr_list*/, RESULT);
119             }
120             case 2: // $ACTION0 ::=
121 {
122                 java.lang.Object RESULT = null;
123                 Integer e = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value;
124  System.out.println(" = " + e);
125                 return new parser.runtime.StackSymbol(5 /*$ACTION0*/, RESULT);
126             }
127             case 3: // expr_part ::= expr $ACTION0 SEMI
128 {
129                 Object RESULT = null;
130                 // propagate RESULT from $ACTION0
131 if (((parser.runtime.StackSymbol) SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value != null) {
132                     RESULT = ((parser.runtime.StackSymbol) SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value;
133                 }
134                 return new parser.runtime.StackSymbol(1 /*expr_part*/, RESULT);
135             }
136             case 4: // expr ::= factor PLUS expr
137 {
138                 Integer RESULT = null;
139                 Integer f = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-3)).value;
140                 Integer e = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value;
141  RESULT = new Integer (f.intValue() + e.intValue());
142                 return new parser.runtime.StackSymbol(2 /*expr*/, RESULT);
143             }
144             case 5: // expr ::= factor MINUS expr
145 {
146                 Integer RESULT = null;
147                 Integer f = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-3)).value;
148                 Integer e = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value;
149  RESULT = new Integer (f.intValue() - e.intValue());
150                 return new parser.runtime.StackSymbol(2 /*expr*/, RESULT);
151             }
152             case 6: // expr ::= factor
153 {
154                 Integer RESULT = null;
155                 Integer f = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value;
156  RESULT = new Integer (f.intValue());
157                 return new parser.runtime.StackSymbol(2 /*expr*/, RESULT);
158             }
159             case 7: // factor ::= factor TIMES term
160 {
161                 Integer RESULT = null;
162                 Integer f = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-3)).value;
163                 Integer t = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value;
164  RESULT = new Integer (f.intValue() * t.intValue());
165                 return new parser.runtime.StackSymbol(3 /*factor*/, RESULT);
166             }
167             case 8: // factor ::= factor DIVIDE term
168 {
169                 Integer RESULT = null;
170                 Integer f = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-3)).value;
171                 Integer t = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value;
172  RESULT = new Integer (f.intValue() / t.intValue());
173                 return new parser.runtime.StackSymbol(3 /*factor*/, RESULT);
174             }
175             case 9: // factor ::= term
176 {
177                 Integer RESULT = null;
178                 Integer t = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value;
179  RESULT = new Integer (t.intValue());
180                 return new parser.runtime.StackSymbol(3 /*factor*/, RESULT);
181             }
182             case 10: // term ::= LPAREN expr RPAREN
183 {
184                 Integer RESULT = null;
185                 Integer e = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-2)).value;
186  RESULT = e;
187                 return new parser.runtime.StackSymbol(4 /*term*/, RESULT);
188             }
189             case 11: // term ::= NUMBER
190 {
191                 Integer RESULT = null;
192                 Integer n = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value;
193  RESULT = n;
194                 return new parser.runtime.StackSymbol(4 /*term*/, RESULT);
195             }
196             case 12: // term ::= ID
197 {
198                 Integer RESULT = null;
199                 Integer i = (Integer )((parser.runtime.StackSymbol)SJCC$CalcParser$stack.elementAt(SJCC$CalcParser$stack.size()-1)).value;
200  RESULT = i;
201                 return new parser.runtime.StackSymbol(4 /*term*/, RESULT);
202             }
203             case 13: // $START ::= expr_list EOF
204 {
205                 java.lang.Object RESULT = null;
206                 parser.doneParsing();
207                 return new parser.runtime.StackSymbol(6 /*$START*/, RESULT);
208             }
209             default:
210                 throw new Exception ("Invalid action number");
211         }
212     }
213 }
214

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