antlr
Class CharQueue

java.lang.Object
  antlr.CharQueue

public class CharQueue

extends java.lang.Object

A circular buffer object used by CharBuffer

Constructor Summary

CharQueue(int minSize)

 

Method Summary
void	append(char tok)           Add token to end of the queue
char	elementAt(int idx)           Fetch a token from the queue by index
void	init(int size)           Initialize the queue.
void	removeFirst()           Remove char from front of queue
void	reset()           Clear the queue.

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

CharQueue

public CharQueue(int minSize)

append

public final void append(char tok)

Add token to end of the queue

Parameters:

tok - The token to add

elementAt

public final char 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

init

public void init(int size)

Initialize the queue.

Parameters:

size - The initial size of the queue

reset

public final void reset()

Clear the queue. Leaving the previous buffer alone.

removeFirst

public final void removeFirst()

Remove char from front of queue