/* 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 "Lexer.h"
#include "Vocabulary.h"
#include "atn/PredictionContext.h"

namespace antlr4 {

class ANTLR4CPP_PUBLIC LexerInterpreter : public Lexer {
public:
    // @deprecated
    LexerInterpreter(const std::string& grammarFileName, const std::vector<std::string>& tokenNames,
        const std::vector<std::string>& ruleNames, const std::vector<std::string>& channelNames,
        const std::vector<std::string>& modeNames, const atn::ATN& atn, CharStream* input);
    LexerInterpreter(const std::string& grammarFileName, const dfa::Vocabulary& vocabulary,
        const std::vector<std::string>& ruleNames, const std::vector<std::string>& channelNames,
        const std::vector<std::string>& modeNames, const atn::ATN& atn, CharStream* input);

    ~LexerInterpreter();

    virtual const atn::ATN& getATN() const override;
    virtual std::string getGrammarFileName() const override;
    virtual const std::vector<std::string>& getTokenNames() const override;
    virtual const std::vector<std::string>& getRuleNames() const override;
    virtual const std::vector<std::string>& getChannelNames() const override;
    virtual const std::vector<std::string>& getModeNames() const override;

    virtual const dfa::Vocabulary& getVocabulary() const override;

protected:
    const std::string _grammarFileName;
    const atn::ATN& _atn;

    // @deprecated
    std::vector<std::string> _tokenNames;
    const std::vector<std::string>& _ruleNames;
    const std::vector<std::string>& _channelNames;
    const std::vector<std::string>& _modeNames;
    std::vector<dfa::DFA> _decisionToDFA;

    atn::PredictionContextCache _sharedContextCache;

private:
    dfa::Vocabulary _vocabulary;
};

} // namespace antlr4
