elan.instruction
Class Add

java.lang.Object
  |
  +--elan.GrammarElement
        |
        +--elan.instruction.Instruction
              |
              +--elan.instruction.Add

public class Add

extends Instruction

Field Summary

protected Expression

myExpression

Fields inherited from class elan.GrammarElement

functionMap, ourMap

Constructor Summary

Add(Expression e)

Method Summary

java.lang.Object	evaluate(Context c) Evaluate this language construct in some context.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

myExpression

protected Expression myExpression

Constructor Detail

Add

public Add(Expression e)

Method Detail

evaluate

public java.lang.Object evaluate(Context c)

Description copied from class: GrammarElement

Evaluate this language construct in some context. The evaluation may have side-effects, e.g., moving a turtle.

Overrides:

evaluate in class Instruction

Following copied from class: elan.GrammarElement

Parameters:

is - the context in which the evaluation takes place

Returns:

the result of evaluating the construct

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object