cppcheck/src/checkstl.cpp

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

#include "checkstl.h"

CheckStl::CheckStl(const Tokenizer *tokenizer, ErrorLogger *errorLogger)
        : _tokenizer(tokenizer), _errorLogger(errorLogger)
{

}

CheckStl::~CheckStl()
{

}


void CheckStl::iterators()
{
    for (const Token *tok = _tokenizer->tokens(); tok; tok = tok->next())
    {
        if (Token::Match(tok, "%var% = %var% . begin ( ) ; %var% != %var% . end ( ) ;"))
        {
            // Different iterators..
            if (tok->str() != tok->tokAt(8)->str())
                continue;
            // Same container..
            if (tok->tokAt(2)->str() == tok->tokAt(10)->str())
                continue;
            _errorLogger->iteratorUsage(_tokenizer, tok, tok->tokAt(2)->str(), tok->tokAt(10)->str());
        }
    }
}