org.lsmp.djep.xjep

Interface CommandVisitorI

All Known Implementing Classes:

Define, Diff, Eval, XAssign

public interface CommandVisitorI

Interface defining the special actions performed during the preprocess stage. This interface should be implemented by PostFixMath Commands which wish to perform a special action during the XJep.preprocess() method.

Method Summary

Modifier and Type	Method and Description
Node	process(Node node, Node[] children, XJep xjep) Performs the specified action on an expression tree.

Method Detail

process

Node process(Node node,
             Node[] children,
             XJep xjep)
      throws ParseException

Performs the specified action on an expression tree.

Parameters:

node - top node of the tree

children - the children of the node after they have been preprocessed.

xjep - a reference to the current XJep interface.

Returns:

top node of the results.

Throws:

ParseException - exception