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BaseErrorListener.java
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BaseErrorListener.java
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/*
* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
package org.antlr.v4.runtime;
import org.antlr.v4.runtime.atn.ATNConfigSet;
import org.antlr.v4.runtime.dfa.DFA;
import java.util.BitSet;
/**
* Provides an empty default implementation of {@link ANTLRErrorListener}. The
* default implementation of each method does nothing, but can be overridden as
* necessary.
*
* @author Sam Harwell
*/
public class BaseErrorListener implements ANTLRErrorListener {
@Override
public void syntaxError(Recognizer<?, ?> recognizer,
Object offendingSymbol,
int line,
int charPositionInLine,
String msg,
RecognitionException e)
{
}
@Override
public void reportAmbiguity(Parser recognizer,
DFA dfa,
int startIndex,
int stopIndex,
boolean exact,
BitSet ambigAlts,
ATNConfigSet configs)
{
}
@Override
public void reportAttemptingFullContext(Parser recognizer,
DFA dfa,
int startIndex,
int stopIndex,
BitSet conflictingAlts,
ATNConfigSet configs)
{
}
@Override
public void reportContextSensitivity(Parser recognizer,
DFA dfa,
int startIndex,
int stopIndex,
int prediction,
ATNConfigSet configs)
{
}
}