slogo.instruction

Class Sety

java.lang.Object

slogo.GrammarElement

slogo.instruction.Instruction

slogo.instruction.Sety

public class Sety
extends Instruction

Field Summary

Fields

Modifier and Type	Field and Description
private GrammarElement	expression

Fields inherited from class slogo.GrammarElement

gelementsToValue

Constructor Summary

Constructors

Constructor and Description
Sety(GrammarElement e) Constructs a sety instruction that can be executed

Method Summary

Modifier and Type	Method and Description
java.lang.Object	evaluate(Context c) Evaluate this instruction in a Context.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

expression

private GrammarElement expression

Constructor Detail

Sety

public Sety(GrammarElement e)

Constructs a sety instruction that can be executed

Parameters:

e - grammar element

sil - strict instruction list that is the body

Method Detail

evaluate

public java.lang.Object evaluate(Context c)

Evaluate this instruction in a Context.

Specified by:

evaluate in class Instruction

Parameters:

c - the Context for the evaluation

Returns:

the result of evaluating the instruction list the last time

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

sety followed by the expression and list of instructions