ACS-10.0 Java API: antlr.TokenStreamBasicFilter Class Reference

Inheritance diagram for antlr.TokenStreamBasicFilter:

List of all members.

Public Member Functions
	TokenStreamBasicFilter (TokenStream input)
void	discard (int ttype)
void	discard (BitSet mask)
Token	nextToken () throws TokenStreamException
String	getEntireText ()
TokenOffsetInfo	getOffsetInfo (Token token)
Protected Attributes
BitSet	discardMask
TokenStream	input

Detailed Description

This object is a TokenStream that passes through all tokens except for those that you tell it to discard. There is no buffering of the tokens.

Constructor & Destructor Documentation

antlr.TokenStreamBasicFilter.TokenStreamBasicFilter ( TokenStream input )

References antlr.TokenStreamBasicFilter.discardMask.

Member Function Documentation

void antlr.TokenStreamBasicFilter.discard ( int ttype )

References antlr.collections.impl.BitSet.add(), and antlr.TokenStreamBasicFilter.discardMask.

void antlr.TokenStreamBasicFilter.discard ( BitSet mask )

References antlr.TokenStreamBasicFilter.discardMask.

String antlr.TokenStreamBasicFilter.getEntireText ( )

Returns the entire text input to the lexer.

Returns:: The entire text or null, if error occured or System.in was used.

Implements antlr.ASdebug.IASDebugStream.

References antlr.TokenStreamBasicFilter.input.

TokenOffsetInfo antlr.TokenStreamBasicFilter.getOffsetInfo ( Token token )

Returns the offset information for the token

Parameters:

token

the token whose information need to be retrieved

Returns:: offset info, or null

Implements antlr.ASdebug.IASDebugStream.

References antlr.TokenStreamBasicFilter.input.

Token antlr.TokenStreamBasicFilter.nextToken ( ) throws TokenStreamException

References antlr.TokenStreamBasicFilter.discardMask, antlr.Token.getType(), antlr.TokenStreamBasicFilter.input, antlr.collections.impl.BitSet.member(), and antlr.TokenStream.nextToken().

Member Data Documentation

BitSet antlr.TokenStreamBasicFilter.discardMask [protected]

The set of token types to discard

Referenced by antlr.TokenStreamBasicFilter.discard(), antlr.TokenStreamHiddenTokenFilter.getDiscardMask(), antlr.TokenStreamHiddenTokenFilter.nextToken(), antlr.TokenStreamBasicFilter.nextToken(), and antlr.TokenStreamBasicFilter.TokenStreamBasicFilter().

TokenStream antlr.TokenStreamBasicFilter.input [protected]

The input stream

Referenced by antlr.TokenStreamHiddenTokenFilter.consume(), antlr.TokenStreamBasicFilter.getEntireText(), antlr.TokenStreamBasicFilter.getOffsetInfo(), and antlr.TokenStreamBasicFilter.nextToken().

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

TokenStreamBasicFilter.java

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