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Java > Open Source Codes > org > antlr > works > grammar > EngineGrammarError


1 /*
2
3 [The "BSD licence"]
4 Copyright (c) 2005 Jean Bovet
5 All rights reserved.
6
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions
9 are met:
10
11 1. Redistributions of source code must retain the above copyright
12 notice, this list of conditions and the following disclaimer.
13 2. Redistributions in binary form must reproduce the above copyright
14 notice, this list of conditions and the following disclaimer in the
15 documentation and/or other materials provided with the distribution.
16 3. The name of the author may not be used to endorse or promote products
17 derived from this software without specific prior written permission.
18
19 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30 */
31
32 package org.antlr.works.grammar;
33
34 import org.antlr.analysis.NFAState;
35 import org.antlr.tool.Message;
36
37 import java.util.ArrayList JavaDoc;
38 import java.util.List JavaDoc;
39
40 public class EngineGrammarError {
41
42     /** Array of array of NFAState states */
43     public List JavaDoc paths = new ArrayList JavaDoc();
44
45     /** Array describing which path is disabled */
46     public List JavaDoc<Boolean JavaDoc> pathsDisabled = new ArrayList JavaDoc<Boolean JavaDoc>();
47
48     /** Array of array of NFAState states */
49     public List JavaDoc<Object JavaDoc[]> unreachableAlts = new ArrayList JavaDoc<Object JavaDoc[]>();
50
51     /** Array of rules concerned by the error */
52     public List JavaDoc<String JavaDoc> rules = new ArrayList JavaDoc<String JavaDoc>();
53
54     /** Array of states concerned by the error */
55     public List JavaDoc states = new ArrayList JavaDoc();
56
57     public List JavaDoc labels;
58
59     public int line;
60     public String JavaDoc messageText;
61     public Message message;
62
63     public EngineGrammarError() {
64     }
65
66     public void addPath(List JavaDoc path, boolean disabled) {
67         this.paths.add(path);
68         this.pathsDisabled.add(Boolean.valueOf(disabled));
69     }
70
71     public void addUnreachableAlt(NFAState state, Integer JavaDoc alt) {
72         this.unreachableAlts.add(new Object JavaDoc[] { state, alt});
73     }
74
75     public void addRule(String JavaDoc rule) {
76         if(!rules.contains(rule))
77             rules.add(rule);
78     }
79
80     public void addStates(NFAState state) {
81         this.states.add(state);
82     }
83
84     public void addStates(List JavaDoc states) {
85         this.states.addAll(states);
86     }
87
88     public void setLine(int line) {
89         this.line = line;
90     }
91
92     public void setMessageText(String JavaDoc messageText) {
93         this.messageText = messageText;
94     }
95
96     public void setMessage(Message message) {
97         this.message = message;
98     }
99
100     public Message getMessage() {
101         return message;
102     }
103     
104     public void setLabels(List JavaDoc labels) {
105         this.labels = labels;
106     }
107
108     public List JavaDoc getLabels() {
109         return labels;
110     }
111 }
112
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