com.singularsys.extensions.rewrite

Interface RewriteRuleI

All Superinterfaces:

JepComponent, java.io.Serializable

All Known Implementing Classes:

AbstractRewrite, CollectPowers, ExpandBrackets, ExpandPower

public interface RewriteRuleI
extends JepComponent

Defines a rule for symbolic rewriting of an expression

Method Summary

Modifier and Type	Method and Description
Node	apply(ASTFunNode node, Node[] children) Rewrites the node
boolean	test(ASTFunNode node, Node[] children) Returns true if node needs to be rewritten, according to this rule.

Methods inherited from interface com.singularsys.jep.JepComponent

getLightWeightInstance, init

Method Detail

test

boolean test(ASTFunNode node,
             Node[] children)
      throws ParseException

Returns true if node needs to be rewritten, according to this rule.

Throws:

ParseException - if for some reason rewriting cannot be performed.

apply

Node apply(ASTFunNode node,
           Node[] children)
    throws ParseException

Rewrites the node

Throws:

ParseException