slogo.parser.token

Class CharToken

java.lang.Object

slogo.parser.token.CharToken

All Implemented Interfaces:

Token

Direct Known Subclasses:

AssignmentToken, EqualToken, LeftBracketToken, LeftParenToken, RightBracketToken, RightParenToken

public class CharToken
extends java.lang.Object
implements Token

A token represented by a single character, e.g., '*', ';', '[' and so on; the method equals compares a CharToken as equal to another CharToken encapsulating the same character.

Client code should use CharTokenFactory to get a CharToken object, the constructor is package access only

Field Summary

Fields

Modifier and Type	Field and Description
private int	myValue

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CharToken(int ch) package only constructor

Method Summary

Modifier and Type	Method and Description
private boolean	equals(CharToken ct)
boolean	equals(java.lang.Object o)
java.lang.String	toString()
int	value()

Methods inherited from class java.lang.Object

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

Field Detail

myValue

private int myValue

Constructor Detail

CharToken

protected CharToken(int ch)

package only constructor

Method Detail

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

Returns:

true if o is a CharToken with same value

equals

private boolean equals(CharToken ct)

value

public int value()

Returns:

the encapsulated value

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

the character