/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.sql.parse;

import org.antlr.runtime.RecognitionException;
import org.antlr.runtime.Token;
import org.antlr.runtime.TokenStream;
import org.antlr.runtime.tree.CommonErrorNode;

public class AstErrorNode extends AstNode {

  private static final long serialVersionUID = 1L;

  /**
   * delegate needn't be serialized.
   */
  private transient CommonErrorNode delegate;

  public AstErrorNode(TokenStream input, Token start, Token stop, RecognitionException e) {
    delegate = new CommonErrorNode(input, start, stop, e);
  }

  @Override
  public boolean isNil() {
    return delegate.isNil();
  }

  @Override
  public int getType() {
    return delegate.getType();
  }

  @Override
  public String getText() {
    return delegate.getText();
  }

  @Override
  public String toString() {
    return delegate.toString();
  }
}
