org.antlr.v4.tool.interp

Class LexerInterpreter

java.lang.Object

org.antlr.v4.tool.interp.LexerInterpreter

All Implemented Interfaces:

TokenSource

public class LexerInterpreter
extends Object
implements TokenSource

Field Summary

Fields

Modifier and Type	Field and Description
protected DFA[]	_decisionToDFA
protected TokenFactory<?>	_factory How to create token objects
protected PredictionContextCache	_sharedContextCache
protected LexerGrammar	g
protected CharStream	input
protected LexerATNSimulator	interp
protected Pair<TokenSource,CharStream>	tokenFactorySourcePair

Constructor Summary

Constructors

Constructor and Description
LexerInterpreter(LexerGrammar g)
LexerInterpreter(LexerGrammar g, String inputString)

Method Summary

Methods

Modifier and Type	Method and Description
int	getCharPositionInLine()
CharStream	getInputStream()
int	getLine()
String	getSourceName()
TokenFactory<?>	getTokenFactory()
Token	nextToken()
void	setInput(CharStream input)
void	setInput(String inputString)
void	setTokenFactory(TokenFactory<?> factory)

Methods inherited from class java.lang.Object

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

Field Detail

g

protected LexerGrammar g

interp

protected LexerATNSimulator interp

input

protected CharStream input

tokenFactorySourcePair

protected Pair<TokenSource,CharStream> tokenFactorySourcePair

_factory

protected TokenFactory<?> _factory

How to create token objects

_decisionToDFA

protected final DFA[] _decisionToDFA

_sharedContextCache

protected final PredictionContextCache _sharedContextCache

Constructor Detail

LexerInterpreter

public LexerInterpreter(LexerGrammar g,
                String inputString)

LexerInterpreter

public LexerInterpreter(LexerGrammar g)

Method Detail

setInput

public void setInput(String inputString)

setInput

public void setInput(CharStream input)

getSourceName

public String getSourceName()

Specified by:

getSourceName in interface TokenSource

setTokenFactory

public void setTokenFactory(TokenFactory<?> factory)

Specified by:

setTokenFactory in interface TokenSource

getTokenFactory

public TokenFactory<?> getTokenFactory()

Specified by:

getTokenFactory in interface TokenSource

getCharPositionInLine

public int getCharPositionInLine()

Specified by:

getCharPositionInLine in interface TokenSource

getLine

public int getLine()

Specified by:

getLine in interface TokenSource

getInputStream

public CharStream getInputStream()

Specified by:

getInputStream in interface TokenSource

nextToken

public Token nextToken()

Specified by:

nextToken in interface TokenSource