org.sonar.javascript.checks.OctalNumberCheck Maven / Gradle / Ivy
/*
* SonarQube JavaScript Plugin
* Copyright (C) 2011 SonarSource and Eriks Nukis
* [email protected]
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.javascript.checks;
import com.sonar.sslr.api.AstNode;
import org.sonar.check.BelongsToProfile;
import org.sonar.check.Priority;
import org.sonar.check.Rule;
import org.sonar.javascript.api.EcmaScriptTokenType;
import org.sonar.squidbridge.checks.SquidCheck;
import org.sonar.sslr.parser.LexerlessGrammar;
@Rule(
key = "OctalNumber",
priority = Priority.CRITICAL)
@BelongsToProfile(title = CheckList.SONAR_WAY_PROFILE, priority = Priority.CRITICAL)
public class OctalNumberCheck extends SquidCheck {
@Override
public void init() {
subscribeTo(EcmaScriptTokenType.NUMERIC_LITERAL);
}
@Override
public void visitNode(AstNode astNode) {
String value = astNode.getTokenValue();
if (value.length() > 1 && value.startsWith("0")) {
int newValue;
try {
newValue = Integer.parseInt(value, 8);
} catch (NumberFormatException e) {
return;
}
getContext().createLineViolation(this, "Replace the value of the octal number (" + value + ") by its decimal equivalent (" + newValue + ").", astNode);
}
}
}