antlr

Class TokenQueue

java.lang.Object

antlr.TokenQueue

 class TokenQueue
extends java.lang.Object

A private circular buffer object used by the token buffer

Field Summary

Fields

Modifier and Type	Field and Description
protected int	nbrEntries number of tokens in the queue

Constructor Summary

Constructors

Constructor and Description
TokenQueue(int minSize)

Method Summary

Methods

Modifier and Type	Method and Description
void	append(Token tok) Add token to end of the queue
Token	elementAt(int idx) Fetch a token from the queue by index
void	removeFirst() Remove token from front of queue
void	reset() Clear the queue.

Methods inherited from class java.lang.Object

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

Field Detail

nbrEntries

protected int nbrEntries

number of tokens in the queue

Constructor Detail

TokenQueue

public TokenQueue(int minSize)

Method Detail

append

public final void append(Token tok)

Add token to end of the queue

Parameters:

tok - The token to add

elementAt

public final Token elementAt(int idx)

Fetch a token from the queue by index

Parameters:

idx - The index of the token to fetch, where zero is the token at the front of the queue

reset

public final void reset()

Clear the queue. Leaving the previous buffer alone.

removeFirst

public final void removeFirst()

Remove token from front of queue