| 1 | //////////////////////////////////////////////////////////////////////////////// | |
| 2 | // checkstyle: Checks Java source code for adherence to a set of rules. | |
| 3 | // Copyright (C) 2001-2017 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.checks; | |
| 21 | ||
| 22 | import com.puppycrawl.tools.checkstyle.api.AbstractCheck; | |
| 23 | import com.puppycrawl.tools.checkstyle.api.DetailAST; | |
| 24 | import com.puppycrawl.tools.checkstyle.api.TokenTypes; | |
| 25 | ||
| 26 | /** | |
| 27 | * Checks the style of array type definitions. | |
| 28 | * Some like Java-style: {@code public static void main(String[] args)} | |
| 29 | * and some like C-style: public static void main(String args[]) | |
| 30 | * | |
| 31 | * <p>By default the Check enforces Java style. | |
| 32 | * @author lkuehne | |
| 33 | */ | |
| 34 | public class ArrayTypeStyleCheck extends AbstractCheck { | |
| 35 | /** | |
| 36 | * A key is pointing to the warning message text in "messages.properties" | |
| 37 | * file. | |
| 38 | */ | |
| 39 | public static final String MSG_KEY = "array.type.style"; | |
| 40 | ||
| 41 | /** Controls whether to use Java or C style. */ | |
| 42 | private boolean javaStyle = true; | |
| 43 | ||
| 44 | @Override | |
| 45 | public int[] getDefaultTokens() { | |
| 46 |
1
1. getDefaultTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/ArrayTypeStyleCheck::getDefaultTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED |
return getAcceptableTokens(); |
| 47 | } | |
| 48 | ||
| 49 | @Override | |
| 50 | public int[] getAcceptableTokens() { | |
| 51 |
1
1. getAcceptableTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/ArrayTypeStyleCheck::getAcceptableTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED |
return new int[] {TokenTypes.ARRAY_DECLARATOR}; |
| 52 | } | |
| 53 | ||
| 54 | @Override | |
| 55 | public int[] getRequiredTokens() { | |
| 56 |
1
1. getRequiredTokens : mutated return of Object value for com/puppycrawl/tools/checkstyle/checks/ArrayTypeStyleCheck::getRequiredTokens to ( if (x != null) null else throw new RuntimeException ) → KILLED |
return getAcceptableTokens(); |
| 57 | } | |
| 58 | ||
| 59 | @Override | |
| 60 | public void visitToken(DetailAST ast) { | |
| 61 | final DetailAST typeAST = ast.getParent(); | |
| 62 |
1
1. visitToken : negated conditional → KILLED |
if (typeAST.getType() == TokenTypes.TYPE |
| 63 | // Do not check method's return type. | |
| 64 | // We have no alternatives here. | |
| 65 |
1
1. visitToken : negated conditional → KILLED |
&& typeAST.getParent().getType() != TokenTypes.METHOD_DEF) { |
| 66 | final DetailAST variableAST = typeAST.getNextSibling(); | |
| 67 |
1
1. visitToken : negated conditional → KILLED |
if (variableAST != null) { |
| 68 | final boolean isJavaStyle = | |
| 69 |
2
1. visitToken : changed conditional boundary → KILLED 2. visitToken : negated conditional → KILLED |
variableAST.getLineNo() > ast.getLineNo() |
| 70 |
3
1. visitToken : changed conditional boundary → KILLED 2. visitToken : Replaced integer subtraction with addition → KILLED 3. visitToken : negated conditional → KILLED |
|| variableAST.getColumnNo() - ast.getColumnNo() > -1; |
| 71 | ||
| 72 |
1
1. visitToken : negated conditional → KILLED |
if (isJavaStyle != javaStyle) { |
| 73 |
1
1. visitToken : removed call to com/puppycrawl/tools/checkstyle/checks/ArrayTypeStyleCheck::log → KILLED |
log(ast.getLineNo(), ast.getColumnNo(), MSG_KEY); |
| 74 | } | |
| 75 | } | |
| 76 | } | |
| 77 | } | |
| 78 | ||
| 79 | /** | |
| 80 | * Controls whether to check for Java or C style. | |
| 81 | * @param javaStyle true if Java style should be used. | |
| 82 | */ | |
| 83 | public void setJavaStyle(boolean javaStyle) { | |
| 84 | this.javaStyle = javaStyle; | |
| 85 | } | |
| 86 | } | |
Mutations | ||
| 46 |
1.1 |
|
| 51 |
1.1 |
|
| 56 |
1.1 |
|
| 62 |
1.1 |
|
| 65 |
1.1 |
|
| 67 |
1.1 |
|
| 69 |
1.1 2.2 |
|
| 70 |
1.1 2.2 3.3 |
|
| 72 |
1.1 |
|
| 73 |
1.1 |