content: /*
   * 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.calcite.linq4j.tree;
  
  import java.lang.reflect.Type;
  
  /**
   * Statement.
   */
  public abstract class Statement extends AbstractNode {
    protected Statement(ExpressionType nodeType, Type type) {
      super(nodeType, type);
    }
  
    @Override final void accept(ExpressionWriter writer, int lprec, int rprec) {
      assert lprec == 0;
      assert rprec == 0;
      accept0(writer);
    }
  
    // Make return type more specific. A statement can only become a different
    // kind of statement; it can't become an expression.
    @Override public abstract Statement accept(Shuttle shuttle);
  }
  