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JAXX Compiler api

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/*
 * #%L
 * JAXX :: Compiler
 * 
 * $Id: Node.java 2225 2011-02-19 20:15:00Z tchemit $
 * $HeadURL: http://svn.nuiton.org/svn/jaxx/tags/jaxx-2.5.27/jaxx-compiler/src/main/java/jaxx/compiler/java/parser/Node.java $
 * %%
 * Copyright (C) 2008 - 2010 CodeLutin
 * %%
 * 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 General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public 
 * License along with this program.  If not, see
 * .
 * #L%
 */
/* Generated By:JJTree: Do not edit this line. Node.java */


package jaxx.compiler.java.parser;

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

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

    Node jjtGetParent();

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

    /**
     * @param i index of child
     * @return 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();
}