elan.expression
Class Expression

java.lang.Object
  |
  +--elan.GrammarElement
        |
        +--elan.expression.Expression

Direct Known Subclasses:

BinaryExpression, Number, UnaryExpression, Variable

public abstract class Expression

extends elan.GrammarElement

Fields inherited from class elan.GrammarElement

ourMap

Constructor Summary

Expression()

Method Summary

java.lang.Object	evaluate(elan.Context c)
abstract double	value(elan.Context c)

Methods inherited from class java.lang.Object

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

Constructor Detail

Expression

public Expression()

Method Detail

evaluate

public java.lang.Object evaluate(elan.Context c)

Overrides:

evaluate in class elan.GrammarElement

value

public abstract double value(elan.Context c)