org.lsmp.djep.groupJep
Class PolynomialVisitor

java.lang.Object
  org.lsmp.djep.xjep.DoNothingVisitor
      org.lsmp.djep.groupJep.PolynomialVisitor

All Implemented Interfaces:

ParserVisitor

public class PolynomialVisitor
extends DoNothingVisitor

Constructs a polynomial from a JEP equation.

Author:

Rich Morris Created on 05-Oct-2004

Constructor Summary

PolynomialVisitor(JEP j)

Method Summary

Polynomial	calcPolynomial(Node node, FreeGroup fg) calculates a polynomial representing the node.
java.lang.Object	visit(ASTConstant node, java.lang.Object data)
java.lang.Object	visit(ASTFunNode node, java.lang.Object data)
java.lang.Object	visit(ASTVarNode node, java.lang.Object data)

Methods inherited from class org.lsmp.djep.xjep.DoNothingVisitor

acceptChildrenAsArray, visit, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

PolynomialVisitor

public PolynomialVisitor(JEP j)

Method Detail

calcPolynomial

public Polynomial calcPolynomial(Node node,
                                 FreeGroup fg)
                          throws ParseException

calculates a polynomial representing the node.

Parameters:

node - The top node of the expression

fg - The group the polynomial is an element of.

Returns:

the polynomial representing the equation

Throws:

ParseException - if the node cannot be converted to a Polynomial

visit

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

Specified by:

visit in interface ParserVisitor

Overrides:

visit in class DoNothingVisitor

Throws:

ParseException

visit

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

Specified by:

visit in interface ParserVisitor

Overrides:

visit in class DoNothingVisitor

Throws:

ParseException

visit

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

Specified by:

visit in interface ParserVisitor

Overrides:

visit in class DoNothingVisitor

Throws:

ParseException