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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 java.util.Collections;
import java.util.List;
import java.util.Set;
import org.sonar.check.Rule;
import org.sonar.flex.FlexCheck;
import org.sonar.flex.FlexGrammar;
import org.sonar.flex.FlexKeyword;
import org.sonar.flex.checks.utils.Clazz;
import org.sonar.flex.checks.utils.Modifiers;
import org.sonar.flex.checks.utils.Variable;

@Rule(key = "S1444")
public class PublicStaticFieldCheck extends FlexCheck {

  @Override
  public List subscribedTo() {
    return Collections.singletonList(FlexGrammar.CLASS_DEF);
  }

  @Override
  public void visitNode(AstNode astNode) {
    for (AstNode directive : Clazz.getDirectives(astNode)) {

      if (Variable.isVariable(directive)) {
        Set varModifiers = Modifiers.getModifiers(directive.getFirstChild(FlexGrammar.ATTRIBUTES));

        if (varModifiers.contains(FlexKeyword.PUBLIC) && varModifiers.contains(FlexKeyword.STATIC)) {
          addIssue("Make this \"public static\" field const", directive);
        }
      }
    }
  }
}