xref: /OpenGrok/opengrok-indexer/src/main/java/org/opengrok/indexer/analysis/haskell/HaskellUtils.java (revision 5d9f3aa0ca3da3a714233f987fa732f62c0965f6)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * See LICENSE.txt included in this distribution for the specific
9  * language governing permissions and limitations under the License.
10  *
11  * When distributing Covered Code, include this CDDL HEADER in each
12  * file and include the License file at LICENSE.txt.
13  * If applicable, add the following below this CDDL HEADER, with the
14  * fields enclosed by brackets "[]" replaced with your own identifying
15  * information: Portions Copyright [yyyy] [name of copyright owner]
16  *
17  * CDDL HEADER END
18  */
19 
20 /*
21  * Copyright (c) 2017, Chris Fraire <cfraire@me.com>.
22  */
23 package org.opengrok.indexer.analysis.haskell;
24 
25 import java.util.regex.Pattern;
26 
27 /**
28  * Represents a container for Haskell-related utility methods.
29  */
30 public class HaskellUtils {
31 
32     /**
33      * Matches either the end of a Haskell nested comment or a superfluous
34      * right curly bracket (which is not a valid BrowseableURI character)
35      * captured in order to be able to detect the end of a Haskell nested comment.
36      */
37     public static final Pattern MAYBE_END_NESTED_COMMENT = Pattern.compile("\\-?\\}");
38 
39     /** Private to enforce static. */
HaskellUtils()40     private HaskellUtils() {
41     }
42 }
43