1 ///////////////////////////////////////////////////////////////////////////////////////////////
2 // checkstyle: Checks Java source code and other text files for adherence to a set of rules.
3 // Copyright (C) 2001-2025 the original author or authors.
4 //
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Lesser General Public
7 // License as published by the Free Software Foundation; either
8 // version 2.1 of the License, or (at your option) any later version.
9 //
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Lesser General Public License for more details.
14 //
15 // You should have received a copy of the GNU Lesser General Public
16 // License along with this library; if not, write to the Free Software
17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 ///////////////////////////////////////////////////////////////////////////////////////////////
19
20 package com.puppycrawl.tools.checkstyle.grammar;
21
22 /**
23 * This interface is used to be notified by parser about comments
24 * in the parsed code.
25 *
26 * @noinspection ClassOnlyUsedInOnePackage
27 * @noinspectionreason ClassOnlyUsedInOnePackage - we restrict all parsing to a single package
28 */
29 public interface CommentListener {
30
31 /**
32 * Report the location of a single-line comment that extends from the
33 * given point to the end of the line. The type of comment is identified
34 * by a String whose value depends on the language being parsed, but would
35 * typically be the delimiter for the comment.
36 *
37 * @param type an identifier for what type of comment it is.
38 * @param startLineNo the starting line number
39 * @param startColNo the starting column number
40 */
41 void reportSingleLineComment(String type,
42 int startLineNo, int startColNo);
43
44 /**
45 * Report the location of a block comment that can span multiple lines.
46 * The type of comment is identified by a String whose value depends on
47 * the language being parsed, but would typically be the delimiter for the
48 * comment.
49 *
50 * @param type an identifier for what type of comment it is.
51 * @param startLineNo the starting line number
52 * @param startColNo the starting column number
53 * @param endLineNo the ending line number
54 * @param endColNo the ending column number
55 */
56 void reportBlockComment(String type,
57 int startLineNo, int startColNo,
58 int endLineNo, int endColNo);
59
60 }