slogo.instruction
Class Equal

java.lang.Object
  extended by slogo.language.GrammarElement
      extended by slogo.instruction.Instruction
          extended by slogo.instruction.Equal

public class Equal
extends Instruction


Field Summary
(package private)  Expression e1
           
(package private)  Expression e2
           
 
Fields inherited from class slogo.language.GrammarElement
gelementsToValue
 
Constructor Summary
Equal(Expression e1, Expression e2)
           
 
Method Summary
 java.lang.Object evaluate(Context c)
          Evaluate this language construct in some context.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

e1

Expression e1

e2

Expression e2
Constructor Detail

Equal

public Equal(Expression e1,
             Expression e2)
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
Parameters:
c - context in which the evaluation takes place
Returns:
the result of evaluating the construct