org.apache.groovy.parser.antlr4.internal

Class DescriptiveErrorStrategy

java.lang.Object

org.antlr.v4.runtime.DefaultErrorStrategy

org.antlr.v4.runtime.BailErrorStrategy

org.apache.groovy.parser.antlr4.internal.DescriptiveErrorStrategy

All Implemented Interfaces:

org.antlr.v4.runtime.ANTLRErrorStrategy

public class DescriptiveErrorStrategy
extends org.antlr.v4.runtime.BailErrorStrategy

Provide friendly error messages when parsing errors occurred.

Author:

Daniel.Sun Created on 2016/10/19

Field Summary

Fields inherited from class org.antlr.v4.runtime.DefaultErrorStrategy

errorRecoveryMode, lastErrorIndex, lastErrorStates, nextTokensContext, nextTokensState

Constructor Summary

Constructors

Constructor and Description
DescriptiveErrorStrategy(org.antlr.v4.runtime.CharStream charStream)

Method Summary

Modifier and Type	Method and Description
protected java.lang.String	createFailedPredicateErrorMessage(org.antlr.v4.runtime.Parser recognizer, org.antlr.v4.runtime.FailedPredicateException e)
protected java.lang.String	createInputMismatchErrorMessage(org.antlr.v4.runtime.Parser recognizer, org.antlr.v4.runtime.InputMismatchException e)
protected java.lang.String	createNoViableAlternativeErrorMessage(org.antlr.v4.runtime.Parser recognizer, org.antlr.v4.runtime.NoViableAltException e)
void	recover(org.antlr.v4.runtime.Parser recognizer, org.antlr.v4.runtime.RecognitionException e)
org.antlr.v4.runtime.Token	recoverInline(org.antlr.v4.runtime.Parser recognizer)
protected void	reportFailedPredicate(org.antlr.v4.runtime.Parser recognizer, org.antlr.v4.runtime.FailedPredicateException e)
protected void	reportInputMismatch(org.antlr.v4.runtime.Parser recognizer, org.antlr.v4.runtime.InputMismatchException e)
protected void	reportNoViableAlternative(org.antlr.v4.runtime.Parser recognizer, org.antlr.v4.runtime.NoViableAltException e)

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

sync

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

beginErrorCondition, constructToken, consumeUntil, endErrorCondition, escapeWSAndQuote, getErrorRecoverySet, getExpectedTokens, getMissingSymbol, getSymbolText, getSymbolType, getTokenErrorDisplay, inErrorRecoveryMode, notifyErrorListeners, reportError, reportMatch, reportMissingToken, reportUnwantedToken, reset, singleTokenDeletion, singleTokenInsertion

Methods inherited from class java.lang.Object

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

Constructor Detail

DescriptiveErrorStrategy

public DescriptiveErrorStrategy(org.antlr.v4.runtime.CharStream charStream)

Method Detail

recover

public void recover(org.antlr.v4.runtime.Parser recognizer,
                    org.antlr.v4.runtime.RecognitionException e)

Specified by:

recover in interface org.antlr.v4.runtime.ANTLRErrorStrategy

Overrides:

recover in class org.antlr.v4.runtime.BailErrorStrategy

recoverInline

public org.antlr.v4.runtime.Token recoverInline(org.antlr.v4.runtime.Parser recognizer)
                                         throws org.antlr.v4.runtime.RecognitionException

Specified by:

recoverInline in interface org.antlr.v4.runtime.ANTLRErrorStrategy

Overrides:

recoverInline in class org.antlr.v4.runtime.BailErrorStrategy

Throws:

org.antlr.v4.runtime.RecognitionException

createNoViableAlternativeErrorMessage

protected java.lang.String createNoViableAlternativeErrorMessage(org.antlr.v4.runtime.Parser recognizer,
                                                                 org.antlr.v4.runtime.NoViableAltException e)

reportNoViableAlternative

protected void reportNoViableAlternative(org.antlr.v4.runtime.Parser recognizer,
                                         org.antlr.v4.runtime.NoViableAltException e)

Overrides:

reportNoViableAlternative in class org.antlr.v4.runtime.DefaultErrorStrategy

createInputMismatchErrorMessage

protected java.lang.String createInputMismatchErrorMessage(org.antlr.v4.runtime.Parser recognizer,
                                                           org.antlr.v4.runtime.InputMismatchException e)

reportInputMismatch

protected void reportInputMismatch(org.antlr.v4.runtime.Parser recognizer,
                                   org.antlr.v4.runtime.InputMismatchException e)

Overrides:

reportInputMismatch in class org.antlr.v4.runtime.DefaultErrorStrategy

createFailedPredicateErrorMessage

protected java.lang.String createFailedPredicateErrorMessage(org.antlr.v4.runtime.Parser recognizer,
                                                             org.antlr.v4.runtime.FailedPredicateException e)

reportFailedPredicate

protected void reportFailedPredicate(org.antlr.v4.runtime.Parser recognizer,
                                     org.antlr.v4.runtime.FailedPredicateException e)

Overrides:

reportFailedPredicate in class org.antlr.v4.runtime.DefaultErrorStrategy