001/* Generated By:JJTree: Do not edit this line. Node.java Version 4.3 */
002/* JavaCCOptions:MULTI=false,NODE_USES_PARSER=true,VISITOR=false,TRACK_TOKENS=false,NODE_PREFIX=AST,NODE_EXTENDS=,NODE_FACTORY=,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
003package ptolemy.data.expr;
004
005/* All AST nodes must implement this interface.  It provides basic
006   machinery for constructing the parent and child relationships
007   between nodes. */
008
009public interface Node {
010
011    /** This method is called after the node has been made the current
012      node.  It indicates that child nodes can now be added to it. */
013    public void jjtOpen();
014
015    /** This method is called after all the child nodes have been
016      added. */
017    public void jjtClose();
018
019    /** This pair of methods are used to inform the node of its
020      parent. */
021    public void jjtSetParent(Node n);
022
023    public Node jjtGetParent();
024
025    /** This method tells the node to add its argument to the node's
026      list of children.  */
027    public void jjtAddChild(Node n, int i);
028
029    /** This method returns a child node.  The children are numbered
030       from zero, left to right. */
031    public Node jjtGetChild(int i);
032
033    /** Return the number of children the node has. */
034    public int jjtGetNumChildren();
035}
036/* JavaCC - OriginalChecksum=ce665d554e71026ffaa2321b21874750 (do not edit this line) */