org.apache.velocity.runtime.parser.node

Class ASTAddNode

Implemented Interfaces:
Node

public class ASTAddNode
extends SimpleNode

Handles integer addition of nodes Please look at the Parser.jjt file which is what controls the generation of this class.

Version:
$Id: ASTAddNode.java,v 1.8 2001/10/22 03:53:24 jon Exp $

Authors:
Jason van Zyl
Geir Magnusson Jr.

Nested Class Summary

Field Summary

Fields inherited from class org.apache.velocity.runtime.parser.node.SimpleNode

children, first, last, id, info, invalid, parent, parser, rsvc, state

Constructor Summary

ASTAddNode(int id)
ASTAddNode(Parser p, int id)

Method Summary

Object
jjtAccept(ParserVisitor visitor, Object data)
Accept the visitor.
Object
value(InternalContextAdapter context)
computes the sum of the two nodes.

Methods inherited from class org.apache.velocity.runtime.parser.node.SimpleNode

childrenAccept, dump, evaluate, execute, getColumn, getFirstToken, getInfo, getLastToken, getLine, getType, init, isInvalid, jjtAccept, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, literal, render, setFirstToken, setInfo, setInvalid, toString, value

Constructor Details

ASTAddNode

public ASTAddNode(int id)


ASTAddNode

public ASTAddNode(Parser p,
                  int id)

Method Details

jjtAccept

public Object jjtAccept(ParserVisitor visitor,
                        Object data)
Accept the visitor. *
Specified by:
jjtAccept in interface Node
Overrides:
jjtAccept in interface SimpleNode


value

public Object value(InternalContextAdapter context)
            throws MethodInvocationException
computes the sum of the two nodes. Currently only integer operations are supported.
Specified by:
value in interface Node
Overrides:
value in interface SimpleNode

Returns:
Integer object with value, or null


Copyright © 2003 Apache Software Foundation. All Rights Reserved.