/* 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.
 */

#pragma once

#include "ANTLRErrorListener.h"

namespace antlrcpp {
class BitSet;
}

namespace antlr4 {

/**
 * Provides an empty default implementation of {@link ANTLRErrorListener}. The
 * default implementation of each method does nothing, but can be overridden as
 * necessary.
 */
class ANTLR4CPP_PUBLIC BaseErrorListener : public ANTLRErrorListener {

    virtual void syntaxError(Recognizer* recognizer, Token* offendingSymbol, size_t line,
        size_t charPositionInLine, const std::string& msg, std::exception_ptr e) override;

    virtual void reportAmbiguity(Parser* recognizer, const dfa::DFA& dfa, size_t startIndex,
        size_t stopIndex, bool exact, const antlrcpp::BitSet& ambigAlts,
        atn::ATNConfigSet* configs) override;

    virtual void reportAttemptingFullContext(Parser* recognizer, const dfa::DFA& dfa,
        size_t startIndex, size_t stopIndex, const antlrcpp::BitSet& conflictingAlts,
        atn::ATNConfigSet* configs) override;

    virtual void reportContextSensitivity(Parser* recognizer, const dfa::DFA& dfa,
        size_t startIndex, size_t stopIndex, size_t prediction,
        atn::ATNConfigSet* configs) override;
};

} // namespace antlr4
