org.sonar.iac.docker.tree.impl.RegularVariableImpl Maven / Gradle / Ivy

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/*
 * SonarQube IaC Plugin
 * Copyright (C) 2021-2023 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.iac.docker.tree.impl;

import java.util.List;
import javax.annotation.Nullable;
import org.sonar.iac.common.api.tree.Tree;
import org.sonar.iac.docker.symbols.Symbol;
import org.sonar.iac.docker.tree.api.RegularVariable;
import org.sonar.iac.docker.tree.api.SyntaxToken;

public class RegularVariableImpl extends AbstractDockerTreeImpl implements RegularVariable {

  private final SyntaxToken dollar;
  private final SyntaxToken identifier;
  private Symbol symbol;

  public RegularVariableImpl(SyntaxToken dollar, SyntaxToken identifier) {
    this.dollar = dollar;
    this.identifier = identifier;
  }

  @Override
  public String identifier() {
    return identifier.value();
  }

  @Override
  public List children() {
    return List.of(dollar, identifier);
  }

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

  @Nullable
  @Override
  public Symbol symbol() {
    return symbol;
  }

  @Override
  public void setSymbol(Symbol symbol) {
    if (this.symbol != null) {
      throw new IllegalArgumentException("A symbol is already set");
    }
    this.symbol = symbol;
  }
}