/* * Cppcheck - A tool for static C/C++ code analysis * Copyright (C) 2007-2013 Daniel Marjamäki and 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 SUPPRESSIONS_H #define SUPPRESSIONS_H #include <list> #include <string> #include <istream> #include <map> #include "config.h" /// @addtogroup Core /// @{ /** @brief class for handling suppressions */ class CPPCHECKLIB Suppressions { private: class CPPCHECKLIB FileMatcher { friend class Suppressions; private: /** @brief List of filenames suppressed, bool flag indicates whether suppression matched. */ std::map<std::string, std::map<unsigned int, bool> > _files; /** @brief List of globs suppressed, bool flag indicates whether suppression matched. */ std::map<std::string, std::map<unsigned int, bool> > _globs; /** * @brief Match a name against a glob pattern. * @param pattern The glob pattern to match. * @param name The filename to match against the glob pattern. * @return match success */ static bool match(const std::string &pattern, const std::string &name); public: /** * @brief Add a file or glob (and line number). * @param name File name or glob pattern * @param line Line number * @return error message. empty upon success */ std::string addFile(const std::string &name, unsigned int line); /** * @brief Returns true if the file name matches a previously added file or glob pattern. * @param file File name to check * @param line Line number * @return true if this filename/line matches */ bool isSuppressed(const std::string &file, unsigned int line); /** * @brief Returns true if the file name matches a previously added file (only, not glob pattern). * @param file File name to check * @param line Line number * @return true if this filename/line matches */ bool isSuppressedLocal(const std::string &file, unsigned int line); }; /** @brief List of error which the user doesn't want to see. */ std::map<std::string, FileMatcher> _suppressions; public: /** * @brief Don't show errors listed in the file. * @param istr Open file stream where errors can be read. * @return error message. empty upon success */ std::string parseFile(std::istream &istr); /** * @brief Don't show the given error. * @param line Description of error to suppress (in id:file:line format). * @return error message. empty upon success */ std::string addSuppressionLine(const std::string &line); /** * @brief Don't show this error. File and/or line are optional. In which case * the errorId alone is used for filtering. * @param errorId the id for the error, e.g. "arrayIndexOutOfBounds" * @param file File name with the path, e.g. "src/main.cpp" * @param line number, e.g. "123" * @return error message. empty upon success */ std::string addSuppression(const std::string &errorId, const std::string &file = "", unsigned int line = 0); /** * @brief Returns true if this message should not be shown to the user. * @param errorId the id for the error, e.g. "arrayIndexOutOfBounds" * @param file File name with the path, e.g. "src/main.cpp" * @param line number, e.g. "123" * @return true if this error is suppressed. */ bool isSuppressed(const std::string &errorId, const std::string &file, unsigned int line); /** * @brief Returns true if this message should not be shown to the user (explicit files only, not glob patterns). * @param errorId the id for the error, e.g. "arrayIndexOutOfBounds" * @param file File name with the path, e.g. "src/main.cpp" * @param line number, e.g. "123" * @return true if this error is suppressed. */ bool isSuppressedLocal(const std::string &errorId, const std::string &file, unsigned int line); struct SuppressionEntry { SuppressionEntry(const std::string &aid, const std::string &afile, unsigned int aline) : id(aid), file(afile), line(aline) { } std::string id; std::string file; unsigned int line; }; /** * @brief Returns list of unmatched local (per-file) suppressions. * @return list of unmatched suppressions */ std::list<SuppressionEntry> getUnmatchedLocalSuppressions(const std::string &file) const; /** * @brief Returns list of unmatched global (glob pattern) suppressions. * @return list of unmatched suppressions */ std::list<SuppressionEntry> getUnmatchedGlobalSuppressions() const; }; /// @} #endif // SUPPRESSIONS_H