/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.epl.parse;
import org.antlr.v4.runtime.BailErrorStrategy;
import org.antlr.v4.runtime.LexerNoViableAltException;
import org.antlr.v4.runtime.Parser;
import org.antlr.v4.runtime.RecognitionException;
public class Antlr4ErrorStrategy extends BailErrorStrategy {
public void reportError(Parser recognizer, RecognitionException e) {
// Antlr has an issue handling LexerNoViableAltException as then offending token can be null
// Try: "select a.b('aa\") from A"
if (e instanceof LexerNoViableAltException && e.getOffendingToken() == null) {
return;
}
super.reportError(recognizer, e);
}
}