antlr

Class TokenQueue

class TokenQueue extends Object

A private circular buffer object used by the token buffer

Field Summary
protected int	nbrEntries number of tokens in the queue

Constructor Summary
	TokenQueue(int minSize)

Method Summary
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.

Field Detail

protected int nbrEntries

number of tokens in the queue

public TokenQueue(int minSize)

public final void append(Token tok)

Add token to end of the queue

Parameters: tok The token to add

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

public final void removeFirst()

Remove token from front of queue

public final void reset()

Clear the queue. Leaving the previous buffer alone.