src/examples/Mini/Node.java

/*
 * 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
 *
 *   https://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.
 */
/* Generated By:JJTree: Do not edit this line. Node.java */
/* JJT: 0.3pre1 */

package Mini;

/**
 * All AST nodes must implement this interface. It provides basic machinery for constructing the parent and child
 * relationships between nodes.
 */
public interface Node {

    /**
     * This method tells the node to add its argument to the node's list of children.
     */
    void jjtAddChild(Node n, int i);

    /**
     * This method is called after all the child nodes have been added.
     */
    void jjtClose();

    /**
     * This method returns a child node. The children are numbered from zero, left to right.
     */
    Node jjtGetChild(int i);

    /** Return the number of children the node has. */
    int jjtGetNumChildren();

    Node jjtGetParent();

    /**
     * This method is called after the node has been made the current node. It indicates that child nodes can now be added
     * to it.
     */
    void jjtOpen();

    /**
     * This pair of methods are used to inform the node of its parent.
     */
    void jjtSetParent(Node n);
}