01: /*
02: [The "BSD licence"]
03: Copyright (c) 2005-2006 Terence Parr
04: All rights reserved.
05:
06: Redistribution and use in source and binary forms, with or without
07: modification, are permitted provided that the following conditions
08: are met:
09: 1. Redistributions of source code must retain the above copyright
10: notice, this list of conditions and the following disclaimer.
11: 2. Redistributions in binary form must reproduce the above copyright
12: notice, this list of conditions and the following disclaimer in the
13: documentation and/or other materials provided with the distribution.
14: 3. The name of the author may not be used to endorse or promote products
15: derived from this software without specific prior written permission.
16:
17: THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20: IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21: INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22: NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26: THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27: */
28: package org.antlr.tool;
29:
30: import org.antlr.stringtemplate.StringTemplate;
31: import antlr.Token;
32:
33: /** A problem with the syntax of your antlr grammar such as
34: * "The '{' came as a complete surprise to me at this point in your program"
35: */
36: public class GrammarSyntaxMessage extends Message {
37: public Grammar g;
38: /** Most of the time, we'll have a token and so this will be set. */
39: public Token offendingToken;
40: public antlr.RecognitionException exception;
41:
42: public GrammarSyntaxMessage(int msgID, Grammar grammar,
43: Token offendingToken, antlr.RecognitionException exception) {
44: this (msgID, grammar, offendingToken, null, exception);
45: }
46:
47: public GrammarSyntaxMessage(int msgID, Grammar grammar,
48: Token offendingToken, Object arg,
49: antlr.RecognitionException exception) {
50: super (msgID, arg, null);
51: this .offendingToken = offendingToken;
52: this .exception = exception;
53: this .g = grammar;
54: }
55:
56: public String toString() {
57: line = 0;
58: column = 0;
59: if (offendingToken != null) {
60: line = offendingToken.getLine();
61: column = offendingToken.getColumn();
62: }
63: // TODO: actually set the right Grammar instance to get the filename
64: // TODO: have to update all v2 grammar files for this. or use errormanager and tool to get the current grammar
65: if (g != null) {
66: file = g.getFileName();
67: }
68: StringTemplate st = getMessageTemplate();
69: if (arg != null) {
70: st.setAttribute("arg", arg);
71: }
72: return super.toString(st);
73: }
74: }
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