slogo.parser.token

Class EOFToken

java.lang.Object

slogo.parser.token.EOFToken

All Implemented Interfaces:

Token

public class EOFToken
extends java.lang.Object
implements Token

This represents an end-of-file token Uses the singleton pattern since there's no reason to have more than one such token. For equals This compares false to any object other than an EOFToken

Field Summary

Fields

Modifier and Type	Field and Description
private static EOFToken	ourInstance

Constructor Summary

Constructors

Modifier	Constructor and Description
private	EOFToken()

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
static EOFToken	getInstance()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ourInstance

private static EOFToken ourInstance

Constructor Detail

EOFToken

private EOFToken()

Method Detail

getInstance

public static EOFToken getInstance()

Returns:

an EOFToken (singleton)

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

Returns:

true of o is an EOFToken, otherwise return false

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

EOF_Token