Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ElseHandler |
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1 | //////////////////////////////////////////////////////////////////////////////// | |
2 | // checkstyle: Checks Java source code for adherence to a set of rules. | |
3 | // Copyright (C) 2001-2014 Oliver Burn | |
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 | package com.puppycrawl.tools.checkstyle.checks.indentation; | |
20 | ||
21 | import com.puppycrawl.tools.checkstyle.api.DetailAST; | |
22 | import com.puppycrawl.tools.checkstyle.api.TokenTypes; | |
23 | ||
24 | /** | |
25 | * Handler for else blocks. | |
26 | * | |
27 | * @author jrichard | |
28 | */ | |
29 | public class ElseHandler extends BlockParentHandler | |
30 | { | |
31 | /** | |
32 | * Construct an instance of this handler with the given indentation check, | |
33 | * abstract syntax tree, and parent handler. | |
34 | * | |
35 | * @param aIndentCheck the indentation check | |
36 | * @param aAst the abstract syntax tree | |
37 | * @param aParent the parent handler | |
38 | */ | |
39 | public ElseHandler(IndentationCheck aIndentCheck, | |
40 | DetailAST aAst, ExpressionHandler aParent) | |
41 | { | |
42 | 46 | super(aIndentCheck, "else", aAst, aParent); |
43 | 46 | } |
44 | ||
45 | @Override | |
46 | protected void checkToplevelToken() | |
47 | { | |
48 | // check if else is nested with rcurly of if: | |
49 | // | |
50 | // } else ... | |
51 | ||
52 | 46 | final DetailAST ifAST = getMainAst().getParent(); |
53 | 46 | if (ifAST != null) { |
54 | 46 | final DetailAST slist = ifAST.findFirstToken(TokenTypes.SLIST); |
55 | 46 | if (slist != null) { |
56 | 37 | final DetailAST lcurly = slist.getLastChild(); |
57 | 37 | if ((lcurly != null) |
58 | && (lcurly.getLineNo() == getMainAst().getLineNo())) | |
59 | { | |
60 | // indentation checked as part of LITERAL IF check | |
61 | 25 | return; |
62 | } | |
63 | } | |
64 | } | |
65 | 21 | super.checkToplevelToken(); |
66 | 21 | } |
67 | ||
68 | @Override | |
69 | protected DetailAST getNonlistChild() | |
70 | { | |
71 | 21 | return getMainAst().getFirstChild(); |
72 | } | |
73 | } |