/*

 * Cppcheck - A tool for static C/C++ code analysis

 * Copyright (C) 2007-2023 Cppcheck team.

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

//---------------------------------------------------------------------------

#ifndef checkpostfixoperatorH

#define checkpostfixoperatorH

//---------------------------------------------------------------------------

#include "check.h"

#include "config.h"

#include "tokenize.h"

#include <string>

class ErrorLogger;

class Settings;

class Token;

/// @addtogroup Checks

/// @{

/**

 * @brief Using postfix operators ++ or -- rather than postfix operator.

 */

class CPPCHECKLIB CheckPostfixOperator : public Check {

    friend class TestPostfixOperator;

public:

    /** This constructor is used when registering the CheckPostfixOperator */

    CheckPostfixOperator() : Check(myName()) {}

private:

    /** This constructor is used when running checks. */

    CheckPostfixOperator(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)

        : Check(myName(), tokenizer, settings, errorLogger) {}

    void runChecks(const Tokenizer &tokenizer, ErrorLogger *errorLogger) override {

        if (tokenizer.isC())

            return;

        CheckPostfixOperator checkPostfixOperator(&tokenizer, tokenizer.getSettings(), errorLogger);

        checkPostfixOperator.postfixOperator();

    }

    /** Check postfix operators */

    void postfixOperator();

    /** Report Error */

    void postfixOperatorError(const Token *tok);

    void getErrorMessages(ErrorLogger *errorLogger, const Settings *settings) const override {

        CheckPostfixOperator c(nullptr, settings, errorLogger);

        c.postfixOperatorError(nullptr);

    }

    static std::string myName() {

        return "Using postfix operators";

    }

    std::string classInfo() const override {

        return "Warn if using postfix operators ++ or -- rather than prefix operator\n";

    }

};

/// @}

//---------------------------------------------------------------------------

#endif // checkpostfixoperatorH