com.go.tea.parsetree
Class Node

java.lang.Object
  |
  +--com.go.tea.parsetree.Node

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable

Direct Known Subclasses:

Expression, ExpressionList, Name, Statement, Template, Variable

public abstract class Node

extends java.lang.Object

implements java.lang.Cloneable, java.io.Serializable

The superclass of all parse tree nodes. Every Node contains source information and can accept a NodeVisitor.

Version:

25 , 9/07/00

Author:

Brian S O'Neill

See Also:

NodeVisitor, Serialized Form

Constructor Summary

protected

Node(SourceInfo info)

Method Summary

abstract java.lang.Object	accept(NodeVisitor visitor) Every subclass of Node must override this method with the following: return visitor.visit(this).
java.lang.Object	clone() Returns a clone of this Node and all its children.
SourceInfo	getSourceInfo()
java.lang.String	toString() Returns a String that contains the type of this Node and source information.

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Node

protected Node(SourceInfo info)

Method Detail

getSourceInfo

public final SourceInfo getSourceInfo()

accept

public abstract java.lang.Object accept(NodeVisitor visitor)

Every subclass of Node must override this method with the following: return visitor.visit(this).

Parameters:

visitor - A visitor of this Node

Returns:

Node The Node returned by the visitor

See Also:

NodeVisitor

clone

public java.lang.Object clone()

Returns a clone of this Node and all its children. Immutable child objects are not necessarily cloned

Overrides:

clone in class java.lang.Object

toString

public java.lang.String toString()

Returns a String that contains the type of this Node and source information.

Overrides:

toString in class java.lang.Object