/*
 * Cppcheck - A tool for static C/C++ code analysis
 * Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam,
 * Leandro Penz, Kimmo Varis, Vesa Pikki
 *
 * 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 checkH
#define checkH

#include "tokenize.h"
#include "settings.h"
#include "errorlogger.h"

#include <list>

class Check
{
public:
    /** This constructor is used when registering the CheckClass */
    Check()
            : _tokenizer(0), _settings(0), _errorLogger(0)
    {
        instances().push_back(this);
    }

    /** This constructor is used when running checks.. */
    Check(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger)
            : _tokenizer(tokenizer), _settings(settings), _errorLogger(errorLogger)
    { }

    virtual ~Check()
    {
        instances().remove(this);
    }

    /** get instances of this */
    static std::list<Check *> &instances()
    {
        static std::list<Check *> _instances;
        return _instances;
    }

    /** run checks.. */
    virtual void runChecks(const Tokenizer *tokenizer, const Settings *settings, ErrorLogger *errorLogger) = 0;

protected:
    const Tokenizer * const _tokenizer;
    const Settings * const _settings;
    ErrorLogger * const _errorLogger;

    /** report an error */
    void reportError(const Token *tok, const std::string severity, const std::string id, const std::string msg)
    {
        ErrorLogger::ErrorMessage::FileLocation loc;
        loc.line = tok->linenr();
        loc.file = _tokenizer->file(tok);

        std::list<ErrorLogger::ErrorMessage::FileLocation> locationList;
        locationList.push_back(loc);

        _errorLogger->reportErr(ErrorLogger::ErrorMessage(locationList, severity, id, msg));
    }
};

#endif