01 /* Generated By:JJTree: Do not edit this line. Node.java */
02
03 package gate.yam.parse;
04
05 /* All AST nodes must implement this interface. It provides basic
06 machinery for constructing the parent and child relationships
07 between nodes. */
08
09 public interface Node {
10
11 /** This method is called after the node has been made the current
12 node. It indicates that child nodes can now be added to it. */
13 public void jjtOpen();
14
15 /** This method is called after all the child nodes have been
16 added. */
17 public void jjtClose();
18
19 /** This pair of methods are used to inform the node of its
20 parent. */
21 public void jjtSetParent(Node n);
22 public Node jjtGetParent();
23
24 /** This method tells the node to add its argument to the node's
25 list of children. */
26 public void jjtAddChild(Node n, int i);
27
28 /** This method returns a child node. The children are numbered
29 from zero, left to right. */
30 public Node jjtGetChild(int i);
31
32 /** Return the number of children the node has. */
33 public int jjtGetNumChildren();
34 }
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