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There is a newer version: 2.14.0.5032

/*
 * SonarQube Flex Plugin
 * Copyright (C) 2010-2023 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * 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  02110-1301, USA.
 */
package org.sonar.flex.checks;

import com.sonar.sslr.api.AstNode;
import com.sonar.sslr.api.AstNodeType;
import com.sonar.sslr.api.Token;
import java.util.Arrays;
import java.util.List;
import org.sonar.check.Rule;
import org.sonar.flex.FlexCheck;
import org.sonar.flex.FlexGrammar;
import org.sonar.flex.FlexPunctuator;

@Rule(key = "S1438")
public class SemicolonCheck extends FlexCheck {

  @Override
  public List subscribedTo() {
    return Arrays.asList(FlexGrammar.EOS, FlexGrammar.EOS_NO_LB);
  }

  @Override
  public void visitNode(AstNode astNode) {
    Token lastToken = astNode.getLastToken();
    if (lastToken == null || !FlexPunctuator.SEMICOLON.getValue().equals(lastToken.getValue())) {
      addIssue("Add a semicolon at the end of this statement", astNode.getParent().getLastToken());
    }
  }

}