antlr.TokenBuffer Class Reference

List of all members.

Public Member Functions
	TokenBuffer (TokenStream input_)
final void	reset ()
final void	consume ()
TokenStream	getInput ()
final int	LA (int i) throws TokenStreamException
final Token	LT (int i) throws TokenStreamException
final int	mark ()
final void	rewind (int mark)
Protected Attributes
TokenStream	input
Package Attributes
int	nMarkers = 0
int	markerOffset = 0
int	numToConsume = 0
TokenQueue	queue

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Constructor & Destructor Documentation

antlr.TokenBuffer.TokenBuffer

(

TokenStream

input_

)

Create a token buffer

References antlr.TokenBuffer.input, and antlr.TokenBuffer.queue.

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Member Function Documentation

final void antlr.TokenBuffer.consume

(

)

Mark another token for deferred consumption

References antlr.TokenBuffer.numToConsume.

Referenced by antlr.LLkParser.consume().

TokenStream antlr.TokenBuffer.getInput

(

)

return the Tokenizer (needed by ParseView)

References antlr.TokenBuffer.input.

final int antlr.TokenBuffer.LA

(

int

i

)

throws TokenStreamException

Get a lookahead token value

References antlr.TokenQueue.elementAt(), antlr.Token.getType(), antlr.TokenBuffer.markerOffset, and antlr.TokenBuffer.queue.

Referenced by antlr.LLkParser.LA().

final Token antlr.TokenBuffer.LT

(

int

i

)

throws TokenStreamException

Get a lookahead token

References antlr.TokenQueue.elementAt(), antlr.TokenBuffer.markerOffset, and antlr.TokenBuffer.queue.

Referenced by antlr.LLkParser.LT().

final int antlr.TokenBuffer.mark

(

)

Return an integer marker that can be used to rewind the buffer to its current state.

References antlr.TokenBuffer.markerOffset, and antlr.TokenBuffer.nMarkers.

Referenced by antlr.Parser.mark().

final void antlr.TokenBuffer.reset

(

)

Reset the input buffer to empty state

References antlr.TokenBuffer.markerOffset, antlr.TokenBuffer.nMarkers, antlr.TokenBuffer.numToConsume, antlr.TokenBuffer.queue, and antlr.TokenQueue.reset().

Referenced by antlr.ParserSharedInputState.reset().

final void antlr.TokenBuffer.rewind

(

int

mark

)

Rewind the token buffer to a marker.

Parameters:

mark

Marker returned previously from mark()

References antlr.TokenBuffer.markerOffset, and antlr.TokenBuffer.nMarkers.

Referenced by antlr.Parser.rewind().

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Member Data Documentation

TokenStream antlr.TokenBuffer.input [protected]

Referenced by antlr.TokenBuffer.getInput(), and antlr.TokenBuffer.TokenBuffer().

int antlr.TokenBuffer.markerOffset = 0 [package]

Referenced by antlr.TokenBuffer.LA(), antlr.TokenBuffer.LT(), antlr.TokenBuffer.mark(), antlr.TokenBuffer.reset(), and antlr.TokenBuffer.rewind().

int antlr.TokenBuffer.nMarkers = 0 [package]

Referenced by antlr.TokenBuffer.mark(), antlr.TokenBuffer.reset(), and antlr.TokenBuffer.rewind().

int antlr.TokenBuffer.numToConsume = 0 [package]

Referenced by antlr.TokenBuffer.consume(), and antlr.TokenBuffer.reset().

TokenQueue antlr.TokenBuffer.queue [package]

Referenced by antlr.TokenBuffer.LA(), antlr.TokenBuffer.LT(), antlr.TokenBuffer.reset(), and antlr.TokenBuffer.TokenBuffer().

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The documentation for this class was generated from the following file:

• TokenBuffer.java