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 symbols and/or meaning of a grammar such as rule
34: * redefinition.
35: */
36: public class GrammarSemanticsMessage extends Message {
37: public Grammar g;
38: /** Most of the time, we'll have a token such as an undefined rule ref
39: * and so this will be set.
40: */
41: public Token offendingToken;
42:
43: public GrammarSemanticsMessage(int msgID, Grammar g,
44: Token offendingToken) {
45: this (msgID, g, offendingToken, null, null);
46: }
47:
48: public GrammarSemanticsMessage(int msgID, Grammar g,
49: Token offendingToken, Object arg) {
50: this (msgID, g, offendingToken, arg, null);
51: }
52:
53: public GrammarSemanticsMessage(int msgID, Grammar g,
54: Token offendingToken, Object arg, Object arg2) {
55: super (msgID, arg, arg2);
56: this .g = g;
57: this .offendingToken = offendingToken;
58: }
59:
60: public String toString() {
61: line = 0;
62: column = 0;
63: if (offendingToken != null) {
64: line = offendingToken.getLine();
65: column = offendingToken.getColumn();
66: }
67: if (g != null) {
68: file = g.getFileName();
69: }
70: StringTemplate st = getMessageTemplate();
71: if (arg != null) {
72: st.setAttribute("arg", arg);
73: }
74: if (arg2 != null) {
75: st.setAttribute("arg2", arg2);
76: }
77: return super.toString(st);
78: }
79: }
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