elan.expression
Class BinaryExpression

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

Direct Known Subclasses:

Addition, Division, Multiplication, Subtraction

public abstract class BinaryExpression

extends Expression

Field Summary

protected Expression	myLeft
protected Expression	myRight
protected java.lang.String	mySymbol

Fields inherited from class elan.GrammarElement

ourMap

Constructor Summary

BinaryExpression(Expression lhs, Expression rhs)

Method Summary

double	leftValue(elan.Context c)
double	rightValue(elan.Context c)
java.lang.String	toString()

Methods inherited from class elan.expression.Expression

evaluate, value

Methods inherited from class java.lang.Object

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

Field Detail

mySymbol

protected java.lang.String mySymbol

myLeft

protected Expression myLeft

myRight

protected Expression myRight

Constructor Detail

BinaryExpression

public BinaryExpression(Expression lhs,
                        Expression rhs)

Method Detail

leftValue

public double leftValue(elan.Context c)

rightValue

public double rightValue(elan.Context c)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object