/* * 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 . */ #include "cmdlineparser.h" #include "check.h" #include "config.h" #include "cppcheckexecutor.h" #include "errortypes.h" #include "filelister.h" #include "importproject.h" #include "path.h" #include "platform.h" #include "settings.h" #include "standards.h" #include "suppressions.h" #include "timer.h" #include "utils.h" #include #include #include #include // EXIT_FAILURE #include #include #include #include #include #include // IWYU pragma: keep #include #ifdef HAVE_RULES // xml is used for rules #include #endif #ifdef __linux__ #include #endif static bool addFilesToList(const std::string& fileList, std::vector& pathNames) { std::istream *files; std::ifstream infile; if (fileList == "-") { // read from stdin files = &std::cin; } else { infile.open(fileList); if (!infile.is_open()) return false; files = &infile; } if (files && *files) { std::string fileName; // cppcheck-suppress accessMoved - FP while (std::getline(*files, fileName)) { // next line // cppcheck-suppress accessMoved - FP if (!fileName.empty()) { pathNames.emplace_back(std::move(fileName)); } } } return true; } static bool addIncludePathsToList(const std::string& fileList, std::list* pathNames) { std::ifstream files(fileList); if (files) { std::string pathName; // cppcheck-suppress accessMoved - FP while (std::getline(files, pathName)) { // next line if (!pathName.empty()) { pathName = Path::removeQuotationMarks(pathName); pathName = Path::fromNativeSeparators(pathName); // If path doesn't end with / or \, add it if (!endsWith(pathName, '/')) pathName += '/'; pathNames->emplace_back(std::move(pathName)); } } return true; } return false; } static bool addPathsToSet(const std::string& fileName, std::set* set) { std::list templist; if (!addIncludePathsToList(fileName, &templist)) return false; set->insert(templist.cbegin(), templist.cend()); return true; } CmdLineParser::CmdLineParser(Settings *settings) : mSettings(settings) , mShowHelp(false) , mShowVersion(false) , mShowErrorMessages(false) , mExitAfterPrint(false) {} void CmdLineParser::printMessage(const std::string &message) { std::cout << "cppcheck: " << message << std::endl; } void CmdLineParser::printError(const std::string &message) { printMessage("error: " + message); } #if defined(_WIN64) || defined(_WIN32) bool CmdLineParser::SHOW_DEF_PLATFORM_MSG = true; #endif // TODO: normalize/simplify/native all path parameters // TODO: error out on all missing given files/paths bool CmdLineParser::parseFromArgs(int argc, const char* const argv[]) { #if defined(_WIN64) || defined(_WIN32) bool default_platform = true; #endif bool def = false; bool maxconfigs = false; mSettings->exename = argv[0]; #ifdef __linux__ // Executing cppcheck in PATH. argv[0] does not contain the path. if (mSettings->exename.find_first_of("/\\") == std::string::npos) { char buf[PATH_MAX] = {0}; if (FileLister::fileExists("/proc/self/exe") && readlink("/proc/self/exe", buf, sizeof(buf)-1) > 0) mSettings->exename = buf; } #endif for (int i = 1; i < argc; i++) { if (argv[i][0] == '-') { // User define if (std::strncmp(argv[i], "-D", 2) == 0) { std::string define; // "-D define" if (std::strcmp(argv[i], "-D") == 0) { ++i; if (i >= argc || argv[i][0] == '-') { printError("argument to '-D' is missing."); return false; } define = argv[i]; } // "-Ddefine" else { define = 2 + argv[i]; } // No "=", append a "=1" if (define.find('=') == std::string::npos) define += "=1"; if (!mSettings->userDefines.empty()) mSettings->userDefines += ";"; mSettings->userDefines += define; def = true; } // -E else if (std::strcmp(argv[i], "-E") == 0) { mSettings->preprocessOnly = true; mSettings->quiet = true; } // Include paths else if (std::strncmp(argv[i], "-I", 2) == 0) { std::string path; // "-I path/" if (std::strcmp(argv[i], "-I") == 0) { ++i; if (i >= argc || argv[i][0] == '-') { printError("argument to '-I' is missing."); return false; } path = argv[i]; } // "-Ipath/" else { path = 2 + argv[i]; } path = Path::removeQuotationMarks(path); path = Path::fromNativeSeparators(path); // If path doesn't end with / or \, add it if (!endsWith(path,'/')) path += '/'; mSettings->includePaths.emplace_back(std::move(path)); } // User undef else if (std::strncmp(argv[i], "-U", 2) == 0) { std::string undef; // "-U undef" if (std::strcmp(argv[i], "-U") == 0) { ++i; if (i >= argc || argv[i][0] == '-') { printError("argument to '-U' is missing."); return false; } undef = argv[i]; } // "-Uundef" else { undef = 2 + argv[i]; } mSettings->userUndefs.insert(std::move(undef)); } else if (std::strncmp(argv[i], "--addon=", 8) == 0) mSettings->addons.emplace(argv[i]+8); else if (std::strncmp(argv[i],"--addon-python=", 15) == 0) mSettings->addonPython.assign(argv[i]+15); // Check configuration else if (std::strcmp(argv[i], "--check-config") == 0) mSettings->checkConfiguration = true; // Check library definitions else if (std::strcmp(argv[i], "--check-library") == 0) { mSettings->checkLibrary = true; } else if (std::strncmp(argv[i], "--checks-max-time=", 18) == 0) { mSettings->checksMaxTime = std::atoi(argv[i] + 18); } else if (std::strcmp(argv[i], "--clang") == 0) { mSettings->clang = true; } else if (std::strncmp(argv[i], "--clang=", 8) == 0) { mSettings->clang = true; mSettings->clangExecutable = argv[i] + 8; } else if (std::strncmp(argv[i], "--config-exclude=",17) ==0) { mSettings->configExcludePaths.insert(Path::fromNativeSeparators(argv[i] + 17)); } else if (std::strncmp(argv[i], "--config-excludes-file=", 23) == 0) { // open this file and read every input file (1 file name per line) const std::string cfgExcludesFile(23 + argv[i]); if (!addPathsToSet(cfgExcludesFile, &mSettings->configExcludePaths)) { printError("unable to open config excludes file at '" + cfgExcludesFile + "'"); return false; } } else if (std::strncmp(argv[i], "--cppcheck-build-dir=", 21) == 0) { mSettings->buildDir = Path::fromNativeSeparators(argv[i] + 21); if (endsWith(mSettings->buildDir, '/')) mSettings->buildDir.pop_back(); } // Show --debug output after the first simplifications else if (std::strcmp(argv[i], "--debug") == 0 || std::strcmp(argv[i], "--debug-normal") == 0) mSettings->debugnormal = true; // Flag used for various purposes during debugging else if (std::strcmp(argv[i], "--debug-simplified") == 0) mSettings->debugSimplified = true; // Show template information else if (std::strcmp(argv[i], "--debug-template") == 0) mSettings->debugtemplate = true; // Show debug warnings else if (std::strcmp(argv[i], "--debug-warnings") == 0) mSettings->debugwarnings = true; else if (std::strncmp(argv[i], "--disable=", 10) == 0) { const std::string errmsg = mSettings->removeEnabled(argv[i] + 10); if (!errmsg.empty()) { printError(errmsg); return false; } } // documentation.. else if (std::strcmp(argv[i], "--doc") == 0) { std::ostringstream doc; // Get documentation.. for (const Check * it : Check::instances()) { const std::string& name(it->name()); const std::string info(it->classInfo()); if (!name.empty() && !info.empty()) doc << "## " << name << " ##\n" << info << "\n"; } std::cout << doc.str(); mExitAfterPrint = true; return true; } // dump cppcheck data else if (std::strcmp(argv[i], "--dump") == 0) mSettings->dump = true; else if (std::strncmp(argv[i], "--enable=", 9) == 0) { const std::string enable_arg = argv[i] + 9; const std::string errmsg = mSettings->addEnabled(enable_arg); if (!errmsg.empty()) { printError(errmsg); return false; } // when "style" is enabled, also enable "warning", "performance" and "portability" if (enable_arg.find("style") != std::string::npos) { mSettings->addEnabled("warning"); mSettings->addEnabled("performance"); mSettings->addEnabled("portability"); } } // print all possible error messages.. else if (std::strcmp(argv[i], "--errorlist") == 0) { mShowErrorMessages = true; mSettings->xml = true; mExitAfterPrint = true; } // --error-exitcode=1 else if (std::strncmp(argv[i], "--error-exitcode=", 17) == 0) { const std::string temp = argv[i]+17; std::istringstream iss(temp); if (!(iss >> mSettings->exitCode)) { printError("argument must be an integer. Try something like '--error-exitcode=1'."); return false; } } // Exception handling inside cppcheck client else if (std::strcmp(argv[i], "--exception-handling") == 0) { mSettings->exceptionHandling = true; } // Exception handling inside cppcheck client else if (std::strncmp(argv[i], "--exception-handling=", 21) == 0) { const std::string exceptionOutfilename = argv[i] + 21; if (exceptionOutfilename != "stderr" && exceptionOutfilename != "stdout") { printError("invalid '--exception-handling' argument"); return false; } mSettings->exceptionHandling = true; CppCheckExecutor::setExceptionOutput((exceptionOutfilename == "stderr") ? stderr : stdout); } // Filter errors else if (std::strncmp(argv[i], "--exitcode-suppressions=", 24) == 0) { // exitcode-suppressions=filename.txt std::string filename = 24 + argv[i]; std::ifstream f(filename); if (!f.is_open()) { printError("couldn't open the file: \"" + filename + "\"."); return false; } const std::string errmsg(mSettings->nofail.parseFile(f)); if (!errmsg.empty()) { printError(errmsg); return false; } } // use a file filter else if (std::strncmp(argv[i], "--file-filter=", 14) == 0) mSettings->fileFilters.emplace_back(argv[i] + 14); // file list specified else if (std::strncmp(argv[i], "--file-list=", 12) == 0) { // open this file and read every input file (1 file name per line) const std::string fileList = argv[i] + 12; if (!addFilesToList(fileList, mPathNames)) { printError("couldn't open the file: \"" + fileList + "\"."); return false; } } // Force checking of files that have "too many" configurations else if (std::strcmp(argv[i], "-f") == 0 || std::strcmp(argv[i], "--force") == 0) mSettings->force = true; // Print help else if (std::strcmp(argv[i], "-h") == 0 || std::strcmp(argv[i], "--help") == 0) { mPathNames.clear(); mShowHelp = true; mExitAfterPrint = true; break; } // Ignored paths else if (std::strncmp(argv[i], "-i", 2) == 0) { std::string path; // "-i path/" if (std::strcmp(argv[i], "-i") == 0) { ++i; if (i >= argc || argv[i][0] == '-') { printError("argument to '-i' is missing."); return false; } path = argv[i]; } // "-ipath/" else { path = 2 + argv[i]; } if (!path.empty()) { path = Path::removeQuotationMarks(path); path = Path::fromNativeSeparators(path); path = Path::simplifyPath(path); if (FileLister::isDirectory(path)) { // If directory name doesn't end with / or \, add it if (!endsWith(path, '/')) path += '/'; } mIgnoredPaths.emplace_back(std::move(path)); } } else if (std::strncmp(argv[i], "--include=", 10) == 0) { mSettings->userIncludes.emplace_back(Path::fromNativeSeparators(argv[i] + 10)); } else if (std::strncmp(argv[i], "--includes-file=", 16) == 0) { // open this file and read every input file (1 file name per line) const std::string includesFile(16 + argv[i]); if (!addIncludePathsToList(includesFile, &mSettings->includePaths)) { printError("unable to open includes file at '" + includesFile + "'"); return false; } } // Inconclusive checking else if (std::strcmp(argv[i], "--inconclusive") == 0) mSettings->certainty.enable(Certainty::inconclusive); // Enables inline suppressions. else if (std::strcmp(argv[i], "--inline-suppr") == 0) mSettings->inlineSuppressions = true; // Checking threads else if (std::strncmp(argv[i], "-j", 2) == 0) { std::string numberString; // "-j 3" if (std::strcmp(argv[i], "-j") == 0) { ++i; if (i >= argc || argv[i][0] == '-') { printError("argument to '-j' is missing."); return false; } numberString = argv[i]; } // "-j3" else numberString = argv[i]+2; std::istringstream iss(numberString); if (!(iss >> mSettings->jobs)) { printError("argument to '-j' is not a number."); return false; } if (mSettings->jobs > 10000) { // This limit is here just to catch typos. If someone has // need for more jobs, this value should be increased. printError("argument for '-j' is allowed to be 10000 at max."); return false; } } #ifdef THREADING_MODEL_FORK else if (std::strncmp(argv[i], "-l", 2) == 0) { std::string numberString; // "-l 3" if (std::strcmp(argv[i], "-l") == 0) { ++i; if (i >= argc || argv[i][0] == '-') { printError("argument to '-l' is missing."); return false; } numberString = argv[i]; } // "-l3" else numberString = argv[i]+2; std::istringstream iss(numberString); if (!(iss >> mSettings->loadAverage)) { printError("argument to '-l' is not a number."); return false; } } #endif // Enforce language (--language=, -x) else if (std::strncmp(argv[i], "--language=", 11) == 0 || std::strcmp(argv[i], "-x") == 0) { std::string str; if (argv[i][2]) { str = argv[i]+11; } else { i++; if (i >= argc || argv[i][0] == '-') { printError("no language given to '-x' option."); return false; } str = argv[i]; } if (str == "c") mSettings->enforcedLang = Settings::Language::C; else if (str == "c++") mSettings->enforcedLang = Settings::Language::CPP; else { printError("unknown language '" + str + "' enforced."); return false; } } // --library else if (std::strncmp(argv[i], "--library=", 10) == 0) { mSettings->libraries.emplace_back(argv[i] + 10); } // Set maximum number of #ifdef configurations to check else if (std::strncmp(argv[i], "--max-configs=", 14) == 0) { mSettings->force = false; std::istringstream iss(14+argv[i]); if (!(iss >> mSettings->maxConfigs)) { printError("argument to '--max-configs=' is not a number."); return false; } if (mSettings->maxConfigs < 1) { printError("argument to '--max-configs=' must be greater than 0."); return false; } maxconfigs = true; } // max ctu depth else if (std::strncmp(argv[i], "--max-ctu-depth=", 16) == 0) mSettings->maxCtuDepth = std::atoi(argv[i] + 16); // Write results in file else if (std::strncmp(argv[i], "--output-file=", 14) == 0) mSettings->outputFile = Path::simplifyPath(Path::fromNativeSeparators(argv[i] + 14)); // Experimental: limit execution time for extended valueflow analysis. basic valueflow analysis // is always executed. else if (std::strncmp(argv[i], "--performance-valueflow-max-time=", 33) == 0) mSettings->performanceValueFlowMaxTime = std::atoi(argv[i] + 33); // Specify platform else if (std::strncmp(argv[i], "--platform=", 11) == 0) { const std::string platform(11+argv[i]); if (platform == "win32A") mSettings->platform(Settings::Win32A); else if (platform == "win32W") mSettings->platform(Settings::Win32W); else if (platform == "win64") mSettings->platform(Settings::Win64); else if (platform == "unix32") mSettings->platform(Settings::Unix32); else if (platform == "unix64") mSettings->platform(Settings::Unix64); else if (platform == "native") mSettings->platform(Settings::Native); else if (platform == "unspecified") mSettings->platform(Settings::Unspecified); else if (!mSettings->loadPlatformFile(argv[0], platform, mSettings->verbose)) { std::string message("unrecognized platform: \""); message += platform; message += "\"."; printError(message); return false; } #if defined(_WIN64) || defined(_WIN32) default_platform = false; #endif // TODO: remove // these are loaded via external files and thus have Settings::PlatformFile set instead. // override the type so they behave like the regular platforms. if (platform == "unix32-unsigned") mSettings->platformType = Settings::Unix32; else if (platform == "unix64-unsigned") mSettings->platformType = Settings::Unix64; } // Write results in results.plist else if (std::strncmp(argv[i], "--plist-output=", 15) == 0) { mSettings->plistOutput = Path::simplifyPath(Path::fromNativeSeparators(argv[i] + 15)); if (mSettings->plistOutput.empty()) mSettings->plistOutput = "./"; else if (!endsWith(mSettings->plistOutput,'/')) mSettings->plistOutput += '/'; const std::string plistOutput = Path::toNativeSeparators(mSettings->plistOutput); if (!FileLister::isDirectory(plistOutput)) { std::string message("plist folder does not exist: \""); message += plistOutput; message += "\"."; printError(message); return false; } } // Special Cppcheck Premium options else if (std::strncmp(argv[i], "--premium=", 10) == 0 && isCppcheckPremium()) { if (!mSettings->premiumArgs.empty()) mSettings->premiumArgs += " "; const std::string p(argv[i] + 10); mSettings->premiumArgs += "--" + p; if (p == "misra-c-2012") mSettings->addons.emplace("misra"); } // --project else if (std::strncmp(argv[i], "--project=", 10) == 0) { mSettings->checkAllConfigurations = false; // Can be overridden with --max-configs or --force const std::string projectFile = argv[i]+10; ImportProject::Type projType = mSettings->project.import(projectFile, mSettings); mSettings->project.projectType = projType; if (projType == ImportProject::Type::CPPCHECK_GUI) { mPathNames = mSettings->project.guiProject.pathNames; for (const std::string &lib : mSettings->project.guiProject.libraries) mSettings->libraries.emplace_back(lib); const auto& excludedPaths = mSettings->project.guiProject.excludedPaths; std::copy(excludedPaths.cbegin(), excludedPaths.cend(), std::back_inserter(mIgnoredPaths)); const std::string platform(mSettings->project.guiProject.platform); if (platform == "win32A") mSettings->platform(Settings::Win32A); else if (platform == "win32W") mSettings->platform(Settings::Win32W); else if (platform == "win64") mSettings->platform(Settings::Win64); else if (platform == "unix32") mSettings->platform(Settings::Unix32); else if (platform == "unix64") mSettings->platform(Settings::Unix64); else if (platform == "native") mSettings->platform(Settings::Native); else if (platform == "unspecified" || platform == "Unspecified" || platform.empty()) ; else if (!mSettings->loadPlatformFile(projectFile.c_str(), platform, mSettings->verbose) && !mSettings->loadPlatformFile(argv[0], platform, mSettings->verbose)) { std::string message("unrecognized platform: \""); message += platform; message += "\"."; printError(message); return false; } if (!mSettings->project.guiProject.projectFile.empty()) projType = mSettings->project.import(mSettings->project.guiProject.projectFile, mSettings); } if (projType == ImportProject::Type::VS_SLN || projType == ImportProject::Type::VS_VCXPROJ) { if (mSettings->project.guiProject.analyzeAllVsConfigs == "false") mSettings->project.selectOneVsConfig(mSettings->platformType); if (!CppCheckExecutor::tryLoadLibrary(mSettings->library, argv[0], "windows.cfg")) { // This shouldn't happen normally. printError("failed to load 'windows.cfg'. Your Cppcheck installation is broken. Please re-install."); return false; } } if (projType == ImportProject::Type::MISSING) { printError("failed to open project '" + projectFile + "'. The file does not exist."); return false; } if (projType == ImportProject::Type::UNKNOWN) { printError("failed to load project '" + projectFile + "'. The format is unknown."); return false; } if (projType == ImportProject::Type::FAILURE) { printError("failed to load project '" + projectFile + "'. An error occurred."); return false; } } // --project-configuration else if (std::strncmp(argv[i], "--project-configuration=", 24) == 0) { mVSConfig = argv[i] + 24; if (!mVSConfig.empty() && (mSettings->project.projectType == ImportProject::Type::VS_SLN || mSettings->project.projectType == ImportProject::Type::VS_VCXPROJ)) mSettings->project.ignoreOtherConfigs(mVSConfig); } // Only print something when there are errors else if (std::strcmp(argv[i], "-q") == 0 || std::strcmp(argv[i], "--quiet") == 0) mSettings->quiet = true; // Output relative paths else if (std::strcmp(argv[i], "-rp") == 0 || std::strcmp(argv[i], "--relative-paths") == 0) mSettings->relativePaths = true; else if (std::strncmp(argv[i], "-rp=", 4) == 0 || std::strncmp(argv[i], "--relative-paths=", 17) == 0) { mSettings->relativePaths = true; if (argv[i][argv[i][3]=='='?4:17] != 0) { std::string paths = argv[i]+(argv[i][3]=='='?4:17); for (;;) { const std::string::size_type pos = paths.find(';'); if (pos == std::string::npos) { mSettings->basePaths.emplace_back(Path::fromNativeSeparators(paths)); break; } mSettings->basePaths.emplace_back(Path::fromNativeSeparators(paths.substr(0, pos))); paths.erase(0, pos + 1); } } else { printError("no paths specified for the '" + std::string(argv[i]) + "' option."); return false; } } // Report progress else if (std::strcmp(argv[i], "--report-progress") == 0) { mSettings->reportProgress = true; } #ifdef HAVE_RULES // Rule given at command line else if (std::strncmp(argv[i], "--rule=", 7) == 0) { Settings::Rule rule; rule.pattern = 7 + argv[i]; mSettings->rules.emplace_back(std::move(rule)); } // Rule file else if (std::strncmp(argv[i], "--rule-file=", 12) == 0) { tinyxml2::XMLDocument doc; if (doc.LoadFile(12+argv[i]) == tinyxml2::XML_SUCCESS) { tinyxml2::XMLElement *node = doc.FirstChildElement(); if (node && strcmp(node->Value(), "rules") == 0) node = node->FirstChildElement("rule"); for (; node && strcmp(node->Value(), "rule") == 0; node = node->NextSiblingElement()) { Settings::Rule rule; tinyxml2::XMLElement *tokenlist = node->FirstChildElement("tokenlist"); if (tokenlist) rule.tokenlist = tokenlist->GetText(); tinyxml2::XMLElement *pattern = node->FirstChildElement("pattern"); if (pattern) { rule.pattern = pattern->GetText(); } tinyxml2::XMLElement *message = node->FirstChildElement("message"); if (message) { tinyxml2::XMLElement *severity = message->FirstChildElement("severity"); if (severity) rule.severity = Severity::fromString(severity->GetText()); tinyxml2::XMLElement *id = message->FirstChildElement("id"); if (id) rule.id = id->GetText(); tinyxml2::XMLElement *summary = message->FirstChildElement("summary"); if (summary) rule.summary = summary->GetText() ? summary->GetText() : ""; } if (!rule.pattern.empty()) mSettings->rules.emplace_back(std::move(rule)); } } else { printError("unable to load rule-file: " + std::string(12+argv[i])); return false; } } #endif // show timing information.. else if (std::strncmp(argv[i], "--showtime=", 11) == 0) { const std::string showtimeMode = argv[i] + 11; if (showtimeMode == "file") mSettings->showtime = SHOWTIME_MODES::SHOWTIME_FILE; else if (showtimeMode == "summary") mSettings->showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY; else if (showtimeMode == "top5") mSettings->showtime = SHOWTIME_MODES::SHOWTIME_TOP5; else if (showtimeMode.empty()) mSettings->showtime = SHOWTIME_MODES::SHOWTIME_NONE; else { printError("unrecognized showtime mode: \"" + showtimeMode + "\". Supported modes: file, summary, top5."); return false; } } // --std else if (std::strncmp(argv[i], "--std=", 6) == 0) { const std::string std = argv[i] + 6; // TODO: print error when standard is unknown if (std::strncmp(std.c_str(), "c++", 3) == 0) { mSettings->standards.cpp = Standards::getCPP(std); } else if (std::strncmp(std.c_str(), "c", 1) == 0) { mSettings->standards.c = Standards::getC(std); } else { printError("unknown --std value '" + std + "'"); return false; } } else if (std::strncmp(argv[i], "--suppress=", 11) == 0) { const std::string suppression = argv[i]+11; const std::string errmsg(mSettings->nomsg.addSuppressionLine(suppression)); if (!errmsg.empty()) { printError(errmsg); return false; } } // Filter errors else if (std::strncmp(argv[i], "--suppressions-list=", 20) == 0) { std::string filename = argv[i]+20; std::ifstream f(filename); if (!f.is_open()) { std::string message("couldn't open the file: \""); message += filename; message += "\"."; if (std::count(filename.cbegin(), filename.cend(), ',') > 0 || std::count(filename.cbegin(), filename.cend(), '.') > 1) { // If user tried to pass multiple files (we can only guess that) // e.g. like this: --suppressions-list=a.txt,b.txt // print more detailed error message to tell user how he can solve the problem message += "\nIf you want to pass two files, you can do it e.g. like this:"; message += "\n cppcheck --suppressions-list=a.txt --suppressions-list=b.txt file.cpp"; } printError(message); return false; } const std::string errmsg(mSettings->nomsg.parseFile(f)); if (!errmsg.empty()) { printError(errmsg); return false; } } else if (std::strncmp(argv[i], "--suppress-xml=", 15) == 0) { const char * filename = argv[i] + 15; const std::string errmsg(mSettings->nomsg.parseXmlFile(filename)); if (!errmsg.empty()) { printError(errmsg); return false; } } // Output formatter else if (std::strcmp(argv[i], "--template") == 0 || std::strncmp(argv[i], "--template=", 11) == 0) { // "--template format" if (argv[i][10] == '=') mSettings->templateFormat = argv[i] + 11; else if ((i+1) < argc && argv[i+1][0] != '-') { ++i; mSettings->templateFormat = argv[i]; } else { printError("argument to '--template' is missing."); return false; } if (mSettings->templateFormat == "gcc") { mSettings->templateFormat = "{bold}{file}:{line}:{column}: {magenta}warning:{default} {message} [{id}]{reset}\\n{code}"; mSettings->templateLocation = "{bold}{file}:{line}:{column}: {dim}note:{reset} {info}\\n{code}"; } else if (mSettings->templateFormat == "daca2") { mSettings->daca = true; mSettings->templateFormat = "{file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]"; mSettings->templateLocation = "{file}:{line}:{column}: note: {info}"; } else if (mSettings->templateFormat == "vs") mSettings->templateFormat = "{file}({line}): {severity}: {message}"; else if (mSettings->templateFormat == "edit") mSettings->templateFormat = "{file} +{line}: {severity}: {message}"; else if (mSettings->templateFormat == "cppcheck1") mSettings->templateFormat = "{callstack}: ({severity}{inconclusive:, inconclusive}) {message}"; else if (mSettings->templateFormat == "selfcheck") { mSettings->templateFormat = "{file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]\\n{code}"; mSettings->templateLocation = "{file}:{line}:{column}: note: {info}\\n{code}"; mSettings->daca = true; } } else if (std::strcmp(argv[i], "--template-location") == 0 || std::strncmp(argv[i], "--template-location=", 20) == 0) { // "--template-location format" if (argv[i][19] == '=') mSettings->templateLocation = argv[i] + 20; else if ((i+1) < argc && argv[i+1][0] != '-') { ++i; mSettings->templateLocation = argv[i]; } else { printError("argument to '--template' is missing."); return false; } } else if (std::strncmp(argv[i], "--template-max-time=", 20) == 0) { mSettings->templateMaxTime = std::atoi(argv[i] + 20); } else if (std::strncmp(argv[i], "--typedef-max-time=", 19) == 0) { mSettings->typedefMaxTime = std::atoi(argv[i] + 19); } else if (std::strncmp(argv[i], "--valueflow-max-iterations=", 27) == 0) { long tmp; try { tmp = std::stol(argv[i] + 27); } catch (const std::invalid_argument &) { printError("argument to '--valueflow-max-iteration' is invalid."); return false; } if (tmp < 0) { printError("argument to '--valueflow-max-iteration' needs to be at least 0."); return false; } mSettings->valueFlowMaxIterations = static_cast(tmp); } else if (std::strcmp(argv[i], "-v") == 0 || std::strcmp(argv[i], "--verbose") == 0) mSettings->verbose = true; else if (std::strcmp(argv[i], "--version") == 0) { mShowVersion = true; mExitAfterPrint = true; mSettings->loadCppcheckCfg(); return true; } // Write results in results.xml else if (std::strcmp(argv[i], "--xml") == 0) mSettings->xml = true; // Define the XML file version (and enable XML output) else if (std::strncmp(argv[i], "--xml-version=", 14) == 0) { const std::string numberString(argv[i]+14); std::istringstream iss(numberString); if (!(iss >> mSettings->xml_version)) { printError("argument to '--xml-version' is not a number."); return false; } if (mSettings->xml_version != 2) { // We only have xml version 2 printError("'--xml-version' can only be 2."); return false; } // Enable also XML if version is set mSettings->xml = true; } else { std::string message("unrecognized command line option: \""); message += argv[i]; message += "\"."; printError(message); return false; } } else { mPathNames.emplace_back(Path::fromNativeSeparators(Path::removeQuotationMarks(argv[i]))); } } mSettings->loadCppcheckCfg(); // Default template format.. if (mSettings->templateFormat.empty()) { mSettings->templateFormat = "{bold}{file}:{line}:{column}: {red}{inconclusive:{magenta}}{severity}:{inconclusive: inconclusive:}{default} {message} [{id}]{reset}\\n{code}"; if (mSettings->templateLocation.empty()) mSettings->templateLocation = "{bold}{file}:{line}:{column}: {dim}note:{reset} {info}\\n{code}"; } mSettings->project.ignorePaths(mIgnoredPaths); if (mSettings->force || maxconfigs) mSettings->checkAllConfigurations = true; if (mSettings->force) mSettings->maxConfigs = INT_MAX; else if ((def || mSettings->preprocessOnly) && !maxconfigs) mSettings->maxConfigs = 1U; if (mSettings->checks.isEnabled(Checks::unusedFunction) && mSettings->jobs > 1) { printMessage("unusedFunction check can't be used with '-j' option. Disabling unusedFunction check."); } if (argc <= 1) { mShowHelp = true; mExitAfterPrint = true; } if (mShowHelp) { printHelp(); return true; } #if defined(_WIN64) if (SHOW_DEF_PLATFORM_MSG && default_platform) printMessage("Windows 64-bit binaries currently default to the 'win64' platform. Starting with Cppcheck 2.13 they will default to 'native' instead. Please specify '--platform=win64' explicitly if you rely on this."); #elif defined(_WIN32) if (SHOW_DEF_PLATFORM_MSG && default_platform) printMessage("Windows 32-bit binaries currently default to the 'win32A' platform. Starting with Cppcheck 2.13 they will default to 'native' instead. Please specify '--platform=win32A' explicitly if you rely on this."); #endif // Print error only if we have "real" command and expect files if (!mExitAfterPrint && mPathNames.empty() && mSettings->project.fileSettings.empty()) { printError("no C or C++ source files found."); return false; } // Use paths _pathnames if no base paths for relative path output are given if (mSettings->basePaths.empty() && mSettings->relativePaths) mSettings->basePaths = mPathNames; return true; } void CmdLineParser::printHelp() { const std::string manualUrl(isCppcheckPremium() ? "https://cppcheck.sourceforge.io/manual.pdf" : "https://files.cppchecksolutions.com/manual.pdf"); std::cout << "Cppcheck - A tool for static C/C++ code analysis\n" "\n" "Syntax:\n" " cppcheck [OPTIONS] [files or paths]\n" "\n" "If a directory is given instead of a filename, *.cpp, *.cxx, *.cc, *.c++, *.c, *.ipp,\n" "*.ixx, *.tpp, and *.txx files are checked recursively from the given directory.\n\n" "Options:\n" " --addon=\n" " Execute addon. i.e. --addon=misra. If options must be\n" " provided a json configuration is needed.\n" " --addon-python=\n" " You can specify the python interpreter either in the\n" " addon json files or through this command line option.\n" " If not present, Cppcheck will try \"python3\" first and\n" " then \"python\".\n" " --cppcheck-build-dir=\n" " Cppcheck work folder. Advantages:\n" " * whole program analysis\n" " * faster analysis; Cppcheck will reuse the results if\n" " the hash for a file is unchanged.\n" " * some useful debug information, i.e. commands used to\n" " execute clang/clang-tidy/addons.\n" " --check-config Check cppcheck configuration. The normal code\n" " analysis is disabled by this flag.\n" " --check-library Show information messages when library files have\n" " incomplete info.\n" " --clang= Experimental: Use Clang parser instead of the builtin Cppcheck\n" " parser. Takes the executable as optional parameter and\n" " defaults to `clang`. Cppcheck will run the given Clang\n" " executable, import the Clang AST and convert it into\n" " Cppcheck data. After that the normal Cppcheck analysis is\n" " used. You must have the executable in PATH if no path is\n" " given.\n" " --config-exclude=\n" " Path (prefix) to be excluded from configuration\n" " checking. Preprocessor configurations defined in\n" " headers (but not sources) matching the prefix will not\n" " be considered for evaluation.\n" " --config-excludes-file=\n" " A file that contains a list of config-excludes\n" " --disable= Disable individual checks.\n" " Please refer to the documentation of --enable=\n" " for futher details.\n" " --dump Dump xml data for each translation unit. The dump\n" " files have the extension .dump and contain ast,\n" " tokenlist, symboldatabase, valueflow.\n" " -D Define preprocessor symbol. Unless --max-configs or\n" " --force is used, Cppcheck will only check the given\n" " configuration when -D is used.\n" " Example: '-DDEBUG=1 -D__cplusplus'.\n" " -E Print preprocessor output on stdout and don't do any\n" " further processing.\n" " --enable= Enable additional checks. The available ids are:\n" " * all\n" " Enable all checks. It is recommended to only\n" " use --enable=all when the whole program is\n" " scanned, because this enables unusedFunction.\n" " * warning\n" " Enable warning messages\n" " * style\n" " Enable all coding style checks. All messages\n" " with the severities 'style', 'warning',\n" " 'performance' and 'portability' are enabled.\n" " * performance\n" " Enable performance messages\n" " * portability\n" " Enable portability messages\n" " * information\n" " Enable information messages\n" " * unusedFunction\n" " Check for unused functions. It is recommended\n" " to only enable this when the whole program is\n" " scanned.\n" " * missingInclude\n" " Warn if there are missing includes. For\n" " detailed information, use '--check-config'.\n" " Several ids can be given if you separate them with\n" " commas. See also --std\n" " --error-exitcode= If errors are found, integer [n] is returned instead of\n" " the default '0'. '" << EXIT_FAILURE << "' is returned\n" " if arguments are not valid or if no input files are\n" " provided. Note that your operating system can modify\n" " this value, e.g. '256' can become '0'.\n" " --errorlist Print a list of all the error messages in XML format.\n" " --exitcode-suppressions=\n" " Used when certain messages should be displayed but\n" " should not cause a non-zero exitcode.\n" " --file-filter= Analyze only those files matching the given filter str\n" " Can be used multiple times\n" " Example: --file-filter=*bar.cpp analyzes only files\n" " that end with bar.cpp.\n" " --file-list= Specify the files to check in a text file. Add one\n" " filename per line. When file is '-,' the file list will\n" " be read from standard input.\n" " -f, --force Force checking of all configurations in files. If used\n" " together with '--max-configs=', the last option is the\n" " one that is effective.\n" " -h, --help Print this help.\n" " -I Give path to search for include files. Give several -I\n" " parameters to give several paths. First given path is\n" " searched for contained header files first. If paths are\n" " relative to source files, this is not needed.\n" " --includes-file=\n" " Specify directory paths to search for included header\n" " files in a text file. Add one include path per line.\n" " First given path is searched for contained header\n" " files first. If paths are relative to source files,\n" " this is not needed.\n" " --include=\n" " Force inclusion of a file before the checked file.\n" " -i Give a source file or source file directory to exclude\n" " from the check. This applies only to source files so\n" " header files included by source files are not matched.\n" " Directory name is matched to all parts of the path.\n" " --inconclusive Allow that Cppcheck reports even though the analysis is\n" " inconclusive.\n" " There are false positives with this option. Each result\n" " must be carefully investigated before you know if it is\n" " good or bad.\n" " --inline-suppr Enable inline suppressions. Use them by placing one or\n" " more comments, like: '// cppcheck-suppress warningId'\n" " on the lines before the warning to suppress.\n" " -j Start threads to do the checking simultaneously.\n" #ifdef THREADING_MODEL_FORK " -l Specifies that no new threads should be started if\n" " there are other threads running and the load average is\n" " at least .\n" #endif " --language=, -x \n" " Forces cppcheck to check all files as the given\n" " language. Valid values are: c, c++\n" " --library= Load file that contains information about types\n" " and functions. With such information Cppcheck\n" " understands your code better and therefore you\n" " get better results. The std.cfg file that is\n" " distributed with Cppcheck is loaded automatically.\n" " For more information about library files, read the\n" " manual.\n" " --max-configs=\n" " Maximum number of configurations to check in a file\n" " before skipping it. Default is '12'. If used together\n" " with '--force', the last option is the one that is\n" " effective.\n" " --max-ctu-depth=N Max depth in whole program analysis. The default value\n" " is 2. A larger value will mean more errors can be found\n" " but also means the analysis will be slower.\n" " --output-file= Write results to file, rather than standard error.\n" " --platform=, --platform=\n" " Specifies platform specific types and sizes. The\n" " available builtin platforms are:\n" " * unix32\n" " 32 bit unix variant\n" " * unix64\n" " 64 bit unix variant\n" " * win32A\n" " 32 bit Windows ASCII character encoding\n" " * win32W\n" " 32 bit Windows UNICODE character encoding\n" " * win64\n" " 64 bit Windows\n" " * avr8\n" " 8 bit AVR microcontrollers\n" " * elbrus-e1cp\n" " Elbrus e1c+ architecture\n" " * pic8\n" " 8 bit PIC microcontrollers\n" " Baseline and mid-range architectures\n" " * pic8-enhanced\n" " 8 bit PIC microcontrollers\n" " Enhanced mid-range and high end (PIC18) architectures\n" " * pic16\n" " 16 bit PIC microcontrollers\n" " * mips32\n" " 32 bit MIPS microcontrollers\n" " * native\n" " Type sizes of host system are assumed, but no\n" " further assumptions.\n" " * unspecified\n" " Unknown type sizes\n" " --plist-output=\n" " Generate Clang-plist output files in folder.\n"; if (isCppcheckPremium()) { std::cout << " --premium=