Package org.antlr.v4.runtime

Class LexerNoViableAltException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

org.antlr.v4.runtime.RecognitionException

org.antlr.v4.runtime.LexerNoViableAltException

All Implemented Interfaces:

Serializable

public class LexerNoViableAltException
extends RecognitionException

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private final ATNConfigSet	deadEndConfigs	Which configurations did we try at input.index() that couldn't match input.LA(1)?
private static final long	serialVersionUID
private final int	startIndex	Matching attempted at what input index?

Constructor Summary

Constructors

Constructor	Description
LexerNoViableAltException(Lexer lexer, CharStream input, int startIndex, ATNConfigSet deadEndConfigs)

Method Summary

Modifier and Type	Method	Description
ATNConfigSet	getDeadEndConfigs()
CharStream	getInputStream()	Gets the input stream which is the symbol source for the recognizer where this exception was thrown.
int	getStartIndex()
String	toString()

Methods inherited from class org.antlr.v4.runtime.RecognitionException

getContext, getExpectedTokens, getOffendingState, getOffendingToken, getOffendingToken, getRecognizer, setOffendingState, setOffendingToken

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace

Methods inherited from class java.lang.Object

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

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

startIndex

private final int startIndex

Matching attempted at what input index?

deadEndConfigs

@Nullable
private final ATNConfigSet deadEndConfigs

Which configurations did we try at input.index() that couldn't match input.LA(1)?

Constructor Details

LexerNoViableAltException

public LexerNoViableAltException(@Nullable
 Lexer lexer,
 @NotNull
 CharStream input,
 int startIndex,
 @Nullable
 ATNConfigSet deadEndConfigs)

Method Details

getStartIndex

public int getStartIndex()

getDeadEndConfigs

@Nullable
public ATNConfigSet getDeadEndConfigs()

getInputStream

public CharStream getInputStream()

Description copied from class: RecognitionException

Gets the input stream which is the symbol source for the recognizer where this exception was thrown.

If the input stream is not available, this method returns null.

Overrides:

getInputStream in class RecognitionException

Returns:

The input stream which is the symbol source for the recognizer where this exception was thrown, or null if the stream is not available.

toString

public String toString()

Overrides:

toString in class Throwable