org.lsmp.djep.vectorJep

Class VectorEvaluator

java.lang.Object

org.nfunk.jep.EvaluatorVisitor

org.lsmp.djep.vectorJep.VectorEvaluator

All Implemented Interfaces:

EvaluatorI, ParserVisitor

public class VectorEvaluator
extends EvaluatorVisitor

Author:

Rich Morris Created on 10-Dec-2004

Field Summary

Fields inherited from class org.nfunk.jep.EvaluatorVisitor

debug, stack, symTab, trapNullValues

Constructor Summary

Constructors

Constructor and Description
VectorEvaluator()

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	visit(ASTFunNode node, java.lang.Object data) Visit a function node.

Methods inherited from class org.nfunk.jep.EvaluatorVisitor

eval, eval, getValue, isTrapNullValues, setTrapNullValues, visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

VectorEvaluator

public VectorEvaluator()

Method Detail

visit

public java.lang.Object visit(ASTFunNode node,
                     java.lang.Object data)
                       throws ParseException

Visit a function node. The values of the child nodes are first pushed onto the stack. Then the function class associated with the node is used to evaluate the function.

If a function implements SpecialEvaluationI then the evaluate method of PFMC is called.

Specified by:

visit in interface ParserVisitor

Overrides:

visit in class EvaluatorVisitor

Throws:

ParseException