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/*
 * SonarQube Python Plugin
 * Copyright (C) 2011-2024 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 Sonar Source-Available License Version 1, as published by SonarSource SA.
 *
 * 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 Sonar Source-Available License for more details.
 *
 * You should have received a copy of the Sonar Source-Available License
 * along with this program; if not, see https://sonarsource.com/license/ssal/
 */
package org.sonar.python.tree;

import java.util.List;
import java.util.Objects;
import java.util.stream.Stream;
import org.sonar.plugins.python.api.tree.Expression;
import org.sonar.plugins.python.api.tree.Token;
import org.sonar.plugins.python.api.tree.Tree;
import org.sonar.plugins.python.api.tree.TreeVisitor;
import org.sonar.plugins.python.api.tree.UnpackingExpression;

public class UnpackingExpressionImpl extends PyTree implements UnpackingExpression {

  private final Token starToken;
  private final Expression expression;

  public UnpackingExpressionImpl(Token starToken, Expression expression) {
    this.starToken = starToken;
    this.expression = expression;
  }

  @Override
  public Token starToken() {
    return starToken;
  }

  @Override
  public Expression expression() {
    return expression;
  }

  @Override
  public void accept(TreeVisitor visitor) {
    visitor.visitUnpackingExpression(this);
  }

  @Override
  public List computeChildren() {
    return Stream.of(starToken, expression).filter(Objects::nonNull).toList();
  }

  @Override
  public Kind getKind() {
    return Kind.UNPACKING_EXPR;
  }
}