1768 lines
81 KiB
C++
1768 lines
81 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2023 Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cmdlineparser.h"
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#include "addoninfo.h"
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#include "check.h"
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#include "color.h"
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#include "config.h"
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#include "cppcheck.h"
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#include "cppcheckexecutor.h"
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#include "errorlogger.h"
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#include "errortypes.h"
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#include "filelister.h"
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#include "filesettings.h"
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#include "importproject.h"
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#include "library.h"
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#include "path.h"
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#include "pathmatch.h"
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#include "platform.h"
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#include "settings.h"
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#include "standards.h"
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#include "suppressions.h"
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#include "timer.h"
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#include "utils.h"
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#include <algorithm>
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#include <cassert>
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#include <climits>
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib> // EXIT_FAILURE
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#include <cstring>
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#include <fstream> // IWYU pragma: keep
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#include <iostream>
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#include <iterator>
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#include <list>
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#include <set>
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#include <sstream> // IWYU pragma: keep
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#include <unordered_set>
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#include <utility>
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#ifdef HAVE_RULES
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// xml is used for rules
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#include "xml.h"
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#endif
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static bool addFilesToList(const std::string& fileList, std::vector<std::string>& pathNames)
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{
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std::istream *files;
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std::ifstream infile;
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if (fileList == "-") { // read from stdin
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files = &std::cin;
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} else {
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infile.open(fileList);
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if (!infile.is_open())
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return false;
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files = &infile;
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}
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if (files && *files) {
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std::string fileName;
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// cppcheck-suppress accessMoved - FP
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while (std::getline(*files, fileName)) { // next line
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// cppcheck-suppress accessMoved - FP
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if (!fileName.empty()) {
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pathNames.emplace_back(std::move(fileName));
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}
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}
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}
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return true;
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}
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static bool addIncludePathsToList(const std::string& fileList, std::list<std::string>& pathNames)
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{
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std::ifstream files(fileList);
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if (files) {
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std::string pathName;
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// cppcheck-suppress accessMoved - FP
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while (std::getline(files, pathName)) { // next line
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if (!pathName.empty()) {
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pathName = Path::removeQuotationMarks(pathName);
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pathName = Path::fromNativeSeparators(pathName);
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// If path doesn't end with / or \, add it
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if (!endsWith(pathName, '/'))
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pathName += '/';
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pathNames.emplace_back(std::move(pathName));
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}
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}
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return true;
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}
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return false;
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}
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static bool addPathsToSet(const std::string& fileName, std::set<std::string>& set)
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{
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std::list<std::string> templist;
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if (!addIncludePathsToList(fileName, templist))
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return false;
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set.insert(templist.cbegin(), templist.cend());
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return true;
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}
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namespace {
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class XMLErrorMessagesLogger : public ErrorLogger
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{
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void reportOut(const std::string & outmsg, Color /*c*/ = Color::Reset) override
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{
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std::cout << outmsg << std::endl;
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}
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void reportErr(const ErrorMessage &msg) override
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{
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reportOut(msg.toXML());
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}
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void reportProgress(const std::string & /*filename*/, const char /*stage*/[], const std::size_t /*value*/) override
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{}
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};
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}
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CmdLineParser::CmdLineParser(CmdLineLogger &logger, Settings &settings, Suppressions &suppressions, Suppressions &suppressionsNoFail)
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: mLogger(logger)
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, mSettings(settings)
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, mSuppressions(suppressions)
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, mSuppressionsNoFail(suppressionsNoFail)
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{}
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bool CmdLineParser::fillSettingsFromArgs(int argc, const char* const argv[])
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{
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const Result result = parseFromArgs(argc, argv);
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switch (result) {
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case Result::Success:
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break;
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case Result::Exit:
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Settings::terminate();
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return true;
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case Result::Fail:
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return false;
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}
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// Libraries must be loaded before FileLister is executed to ensure markup files will be
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// listed properly.
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if (!loadLibraries(mSettings))
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return false;
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if (!loadAddons(mSettings))
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return false;
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// Check that all include paths exist
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{
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for (std::list<std::string>::iterator iter = mSettings.includePaths.begin();
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iter != mSettings.includePaths.end();
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) {
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const std::string path(Path::toNativeSeparators(*iter));
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if (Path::isDirectory(path))
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++iter;
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else {
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// TODO: this bypasses the template format and other settings
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// If the include path is not found, warn user and remove the non-existing path from the list.
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if (mSettings.severity.isEnabled(Severity::information))
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std::cout << "(information) Couldn't find path given by -I '" << path << '\'' << std::endl;
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iter = mSettings.includePaths.erase(iter);
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}
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}
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}
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// Output a warning for the user if he tries to exclude headers
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const std::vector<std::string>& ignored = getIgnoredPaths();
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const bool warn = std::any_of(ignored.cbegin(), ignored.cend(), [](const std::string& i) {
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return Path::isHeader(i);
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});
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if (warn) {
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mLogger.printMessage("filename exclusion does not apply to header (.h and .hpp) files.");
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mLogger.printMessage("Please use --suppress for ignoring results from the header files.");
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}
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const std::vector<std::string>& pathnamesRef = getPathNames();
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const std::list<FileSettings>& fileSettingsRef = getFileSettings();
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// the inputs can only be used exclusively - CmdLineParser should already handle this
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assert(!(!pathnamesRef.empty() && !fileSettingsRef.empty()));
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if (!fileSettingsRef.empty()) {
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// TODO: de-duplicate
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std::list<FileSettings> fileSettings;
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if (!mSettings.fileFilters.empty()) {
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// filter only for the selected filenames from all project files
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std::copy_if(fileSettingsRef.cbegin(), fileSettingsRef.cend(), std::back_inserter(fileSettings), [&](const FileSettings &fs) {
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return matchglobs(mSettings.fileFilters, fs.filename);
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});
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if (fileSettings.empty()) {
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mLogger.printError("could not find any files matching the filter.");
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return false;
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}
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}
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else {
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fileSettings = fileSettingsRef;
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}
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mFileSettings.clear();
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// sort the markup last
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std::copy_if(fileSettings.cbegin(), fileSettings.cend(), std::back_inserter(mFileSettings), [&](const FileSettings &fs) {
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return !mSettings.library.markupFile(fs.filename) || !mSettings.library.processMarkupAfterCode(fs.filename);
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});
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std::copy_if(fileSettings.cbegin(), fileSettings.cend(), std::back_inserter(mFileSettings), [&](const FileSettings &fs) {
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return mSettings.library.markupFile(fs.filename) && mSettings.library.processMarkupAfterCode(fs.filename);
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});
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if (mFileSettings.empty()) {
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mLogger.printError("could not find or open any of the paths given.");
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return false;
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}
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}
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if (!pathnamesRef.empty()) {
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std::list<std::pair<std::string, std::size_t>> filesResolved;
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// TODO: this needs to be inlined into PathMatch as it depends on the underlying filesystem
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#if defined(_WIN32)
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// For Windows we want case-insensitive path matching
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const bool caseSensitive = false;
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#else
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const bool caseSensitive = true;
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#endif
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// Execute recursiveAddFiles() to each given file parameter
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// TODO: verbose log which files were ignored?
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const PathMatch matcher(ignored, caseSensitive);
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for (const std::string &pathname : pathnamesRef) {
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const std::string err = FileLister::recursiveAddFiles(filesResolved, Path::toNativeSeparators(pathname), mSettings.library.markupExtensions(), matcher);
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if (!err.empty()) {
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// TODO: bail out?
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mLogger.printMessage(err);
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}
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}
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if (filesResolved.empty()) {
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mLogger.printError("could not find or open any of the paths given.");
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// TODO: PathMatch should provide the information if files were ignored
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if (!ignored.empty())
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mLogger.printMessage("Maybe all paths were ignored?");
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return false;
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}
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// de-duplicate files
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{
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auto it = filesResolved.begin();
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while (it != filesResolved.end()) {
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const std::string& name = it->first;
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// TODO: log if duplicated files were dropped
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filesResolved.erase(std::remove_if(std::next(it), filesResolved.end(), [&](const std::pair<std::string, std::size_t>& entry) {
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return entry.first == name;
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}), filesResolved.end());
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++it;
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}
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}
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std::list<std::pair<std::string, std::size_t>> files;
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if (!mSettings.fileFilters.empty()) {
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std::copy_if(filesResolved.cbegin(), filesResolved.cend(), std::inserter(files, files.end()), [&](const decltype(filesResolved)::value_type& entry) {
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return matchglobs(mSettings.fileFilters, entry.first);
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});
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if (files.empty()) {
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mLogger.printError("could not find any files matching the filter.");
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return false;
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}
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}
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else {
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files = std::move(filesResolved);
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}
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// sort the markup last
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std::copy_if(files.cbegin(), files.cend(), std::inserter(mFiles, mFiles.end()), [&](const decltype(files)::value_type& entry) {
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return !mSettings.library.markupFile(entry.first) || !mSettings.library.processMarkupAfterCode(entry.first);
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});
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std::copy_if(files.cbegin(), files.cend(), std::inserter(mFiles, mFiles.end()), [&](const decltype(files)::value_type& entry) {
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return mSettings.library.markupFile(entry.first) && mSettings.library.processMarkupAfterCode(entry.first);
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});
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if (mFiles.empty()) {
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mLogger.printError("could not find or open any of the paths given.");
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return false;
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}
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}
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return true;
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}
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// TODO: normalize/simplify/native all path parameters
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// TODO: error out on all missing given files/paths
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CmdLineParser::Result CmdLineParser::parseFromArgs(int argc, const char* const argv[])
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{
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mSettings.exename = Path::getCurrentExecutablePath(argv[0]);
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if (argc <= 1) {
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printHelp();
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return Result::Exit;
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}
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// check for exclusive options
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for (int i = 1; i < argc; i++) {
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// documentation..
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if (std::strcmp(argv[i], "--doc") == 0) {
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std::ostringstream doc;
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// Get documentation..
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for (const Check * it : Check::instances()) {
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const std::string& name(it->name());
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const std::string info(it->classInfo());
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if (!name.empty() && !info.empty())
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doc << "## " << name << " ##\n"
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<< info << "\n";
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}
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mLogger.printRaw(doc.str());
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return Result::Exit;
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}
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// print all possible error messages..
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if (std::strcmp(argv[i], "--errorlist") == 0) {
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if (!loadCppcheckCfg())
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return Result::Fail;
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{
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XMLErrorMessagesLogger xmlLogger;
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std::cout << ErrorMessage::getXMLHeader(mSettings.cppcheckCfgProductName);
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CppCheck::getErrorMessages(xmlLogger);
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std::cout << ErrorMessage::getXMLFooter() << std::endl;
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}
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return Result::Exit;
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}
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// Print help
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if (std::strcmp(argv[i], "-h") == 0 || std::strcmp(argv[i], "--help") == 0) {
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printHelp();
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return Result::Exit;
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}
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if (std::strcmp(argv[i], "--version") == 0) {
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if (!loadCppcheckCfg())
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return Result::Fail;
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if (!mSettings.cppcheckCfgProductName.empty()) {
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mLogger.printRaw(mSettings.cppcheckCfgProductName);
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} else {
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const char * const extraVersion = CppCheck::extraVersion();
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if (*extraVersion != '\0')
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mLogger.printRaw(std::string("Cppcheck ") + CppCheck::version() + " ("+ extraVersion + ')');
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else
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mLogger.printRaw(std::string("Cppcheck ") + CppCheck::version());
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}
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return Result::Exit;
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}
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}
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bool def = false;
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bool maxconfigs = false;
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ImportProject project;
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int8_t logMissingInclude{0};
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for (int i = 1; i < argc; i++) {
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if (argv[i][0] == '-') {
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// User define
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if (std::strncmp(argv[i], "-D", 2) == 0) {
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std::string define;
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// "-D define"
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if (std::strcmp(argv[i], "-D") == 0) {
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++i;
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if (i >= argc || argv[i][0] == '-') {
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mLogger.printError("argument to '-D' is missing.");
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return Result::Fail;
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}
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define = argv[i];
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}
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// "-Ddefine"
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else {
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define = 2 + argv[i];
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}
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// No "=", append a "=1"
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if (define.find('=') == std::string::npos)
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define += "=1";
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if (!mSettings.userDefines.empty())
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mSettings.userDefines += ";";
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mSettings.userDefines += define;
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def = true;
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}
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// -E
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else if (std::strcmp(argv[i], "-E") == 0) {
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mSettings.preprocessOnly = true;
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mSettings.quiet = true;
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}
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// Include paths
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else if (std::strncmp(argv[i], "-I", 2) == 0) {
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std::string path;
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// "-I path/"
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if (std::strcmp(argv[i], "-I") == 0) {
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++i;
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if (i >= argc || argv[i][0] == '-') {
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mLogger.printError("argument to '-I' is missing.");
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return Result::Fail;
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}
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path = argv[i];
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}
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// "-Ipath/"
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else {
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path = 2 + argv[i];
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}
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path = Path::removeQuotationMarks(path);
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path = Path::fromNativeSeparators(path);
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// If path doesn't end with / or \, add it
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if (!endsWith(path,'/'))
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path += '/';
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mSettings.includePaths.emplace_back(std::move(path));
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}
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// User undef
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else if (std::strncmp(argv[i], "-U", 2) == 0) {
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std::string undef;
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// "-U undef"
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if (std::strcmp(argv[i], "-U") == 0) {
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++i;
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if (i >= argc || argv[i][0] == '-') {
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mLogger.printError("argument to '-U' is missing.");
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return Result::Fail;
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}
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undef = argv[i];
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}
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// "-Uundef"
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else {
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undef = 2 + argv[i];
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}
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mSettings.userUndefs.insert(std::move(undef));
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}
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else if (std::strncmp(argv[i], "--addon=", 8) == 0)
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mSettings.addons.emplace(argv[i]+8);
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else if (std::strncmp(argv[i],"--addon-python=", 15) == 0)
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mSettings.addonPython.assign(argv[i]+15);
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// Check configuration
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else if (std::strcmp(argv[i], "--check-config") == 0)
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mSettings.checkConfiguration = true;
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// Check code exhaustively
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else if (std::strcmp(argv[i], "--check-level=exhaustive") == 0)
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mSettings.setCheckLevelExhaustive();
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// Check code with normal analysis
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else if (std::strcmp(argv[i], "--check-level=normal") == 0)
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mSettings.setCheckLevelNormal();
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// Check library definitions
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else if (std::strcmp(argv[i], "--check-library") == 0) {
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mSettings.checkLibrary = true;
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}
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else if (std::strncmp(argv[i], "--checkers-report=", 18) == 0)
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mSettings.checkersReportFilename = argv[i] + 18;
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else if (std::strncmp(argv[i], "--checks-max-time=", 18) == 0) {
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if (!parseNumberArg(argv[i], 18, mSettings.checksMaxTime, true))
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return Result::Fail;
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}
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else if (std::strcmp(argv[i], "--clang") == 0) {
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mSettings.clang = true;
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}
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else if (std::strncmp(argv[i], "--clang=", 8) == 0) {
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mSettings.clang = true;
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mSettings.clangExecutable = argv[i] + 8;
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}
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else if (std::strncmp(argv[i], "--config-exclude=",17) ==0) {
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mSettings.configExcludePaths.insert(Path::fromNativeSeparators(argv[i] + 17));
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}
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else if (std::strncmp(argv[i], "--config-excludes-file=", 23) == 0) {
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// open this file and read every input file (1 file name per line)
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const std::string cfgExcludesFile(23 + argv[i]);
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if (!addPathsToSet(cfgExcludesFile, mSettings.configExcludePaths)) {
|
|
mLogger.printError("unable to open config excludes file at '" + cfgExcludesFile + "'");
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
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();
|
|
|
|
if (!Path::isDirectory(mSettings.buildDir)) {
|
|
mLogger.printError("Directory '" + mSettings.buildDir + "' specified by --cppcheck-build-dir argument has to be existent.");
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
// 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()) {
|
|
mLogger.printError(errmsg);
|
|
return Result::Fail;
|
|
}
|
|
if (std::string(argv[i] + 10).find("missingInclude") != std::string::npos) {
|
|
--logMissingInclude;
|
|
}
|
|
}
|
|
|
|
// 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()) {
|
|
mLogger.printError(errmsg);
|
|
return Result::Fail;
|
|
}
|
|
// 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");
|
|
}
|
|
if (enable_arg.find("information") != std::string::npos && logMissingInclude == 0) {
|
|
++logMissingInclude;
|
|
mSettings.addEnabled("missingInclude");
|
|
}
|
|
if (enable_arg.find("missingInclude") != std::string::npos) {
|
|
--logMissingInclude;
|
|
}
|
|
}
|
|
|
|
// --error-exitcode=1
|
|
else if (std::strncmp(argv[i], "--error-exitcode=", 17) == 0) {
|
|
if (!parseNumberArg(argv[i], 17, mSettings.exitCode))
|
|
return Result::Fail;
|
|
}
|
|
|
|
// Exception handling inside cppcheck client
|
|
else if (std::strcmp(argv[i], "--exception-handling") == 0) {
|
|
#if defined(USE_WINDOWS_SEH) || defined(USE_UNIX_SIGNAL_HANDLING)
|
|
mSettings.exceptionHandling = true;
|
|
#else
|
|
mLogger.printError("Option --exception-handling is not supported since Cppcheck has not been built with any exception handling enabled.");
|
|
return Result::Fail;
|
|
#endif
|
|
}
|
|
|
|
// Exception handling inside cppcheck client
|
|
else if (std::strncmp(argv[i], "--exception-handling=", 21) == 0) {
|
|
#if defined(USE_WINDOWS_SEH) || defined(USE_UNIX_SIGNAL_HANDLING)
|
|
const std::string exceptionOutfilename = argv[i] + 21;
|
|
if (exceptionOutfilename != "stderr" && exceptionOutfilename != "stdout") {
|
|
mLogger.printError("invalid '--exception-handling' argument");
|
|
return Result::Fail;
|
|
}
|
|
mSettings.exceptionHandling = true;
|
|
CppCheckExecutor::setExceptionOutput((exceptionOutfilename == "stderr") ? stderr : stdout);
|
|
#else
|
|
mLogger.printError("Option --exception-handling is not supported since Cppcheck has not been built with any exception handling enabled.");
|
|
return Result::Fail;
|
|
#endif
|
|
}
|
|
|
|
// 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()) {
|
|
mLogger.printError("couldn't open the file: \"" + filename + "\".");
|
|
return Result::Fail;
|
|
}
|
|
const std::string errmsg(mSuppressionsNoFail.parseFile(f));
|
|
if (!errmsg.empty()) {
|
|
mLogger.printError(errmsg);
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
// 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)) {
|
|
mLogger.printError("couldn't open the file: \"" + fileList + "\".");
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
// 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;
|
|
|
|
else if (std::strcmp(argv[i], "--fsigned-char") == 0)
|
|
mSettings.platform.defaultSign = 's';
|
|
|
|
else if (std::strcmp(argv[i], "--funsigned-char") == 0)
|
|
mSettings.platform.defaultSign = 'u';
|
|
|
|
// 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] == '-') {
|
|
mLogger.printError("argument to '-i' is missing.");
|
|
return Result::Fail;
|
|
}
|
|
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 (Path::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)) {
|
|
mLogger.printError("unable to open includes file at '" + includesFile + "'");
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
// 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] == '-') {
|
|
mLogger.printError("argument to '-j' is missing.");
|
|
return Result::Fail;
|
|
}
|
|
|
|
numberString = argv[i];
|
|
}
|
|
|
|
// "-j3"
|
|
else
|
|
numberString = argv[i]+2;
|
|
|
|
unsigned int tmp;
|
|
std::string err;
|
|
if (!strToInt(numberString, tmp, &err)) {
|
|
mLogger.printError("argument to '-j' is not valid - " + err + ".");
|
|
return Result::Fail;
|
|
}
|
|
if (tmp == 0) {
|
|
// TODO: implement get CPU logical core count and use that.
|
|
// Usually, -j 0 would mean "use all available cores," but
|
|
// if we get a 0, we just stall and don't do any work.
|
|
mLogger.printError("argument for '-j' must be greater than 0.");
|
|
return Result::Fail;
|
|
}
|
|
if (tmp > 1024) {
|
|
// Almost nobody has 1024 logical cores, but somebody out
|
|
// there does.
|
|
mLogger.printError("argument for '-j' is allowed to be 1024 at max.");
|
|
return Result::Fail;
|
|
}
|
|
mSettings.jobs = tmp;
|
|
}
|
|
|
|
else if (std::strncmp(argv[i], "-l", 2) == 0) {
|
|
#ifdef THREADING_MODEL_FORK
|
|
std::string numberString;
|
|
|
|
// "-l 3"
|
|
if (std::strcmp(argv[i], "-l") == 0) {
|
|
++i;
|
|
if (i >= argc || argv[i][0] == '-') {
|
|
mLogger.printError("argument to '-l' is missing.");
|
|
return Result::Fail;
|
|
}
|
|
|
|
numberString = argv[i];
|
|
}
|
|
|
|
// "-l3"
|
|
else
|
|
numberString = argv[i]+2;
|
|
|
|
int tmp;
|
|
std::string err;
|
|
if (!strToInt(numberString, tmp, &err)) {
|
|
mLogger.printError("argument to '-l' is not valid - " + err + ".");
|
|
return Result::Fail;
|
|
}
|
|
mSettings.loadAverage = tmp;
|
|
#else
|
|
mLogger.printError("Option -l cannot be used as Cppcheck has not been built with fork threading model.");
|
|
return Result::Fail;
|
|
#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] == '-') {
|
|
mLogger.printError("no language given to '-x' option.");
|
|
return Result::Fail;
|
|
}
|
|
str = argv[i];
|
|
}
|
|
|
|
if (str == "c")
|
|
mSettings.enforcedLang = Standards::Language::C;
|
|
else if (str == "c++")
|
|
mSettings.enforcedLang = Standards::Language::CPP;
|
|
else {
|
|
mLogger.printError("unknown language '" + str + "' enforced.");
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
// --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) {
|
|
int tmp;
|
|
if (!parseNumberArg(argv[i], 14, tmp))
|
|
return Result::Fail;
|
|
if (tmp < 1) {
|
|
mLogger.printError("argument to '--max-configs=' must be greater than 0.");
|
|
return Result::Fail;
|
|
}
|
|
|
|
mSettings.maxConfigs = tmp;
|
|
mSettings.force = false;
|
|
maxconfigs = true;
|
|
}
|
|
|
|
// max ctu depth
|
|
else if (std::strncmp(argv[i], "--max-ctu-depth=", 16) == 0) {
|
|
if (!parseNumberArg(argv[i], 16, mSettings.maxCtuDepth))
|
|
return Result::Fail;
|
|
}
|
|
|
|
// 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) {
|
|
if (!parseNumberArg(argv[i], 33, mSettings.performanceValueFlowMaxTime, true))
|
|
return Result::Fail;
|
|
}
|
|
|
|
else if (std::strncmp(argv[i], "--performance-valueflow-max-if-count=", 37) == 0) {
|
|
if (!parseNumberArg(argv[i], 37, mSettings.performanceValueFlowMaxIfCount, true))
|
|
return Result::Fail;
|
|
}
|
|
|
|
// Specify platform
|
|
else if (std::strncmp(argv[i], "--platform=", 11) == 0) {
|
|
const std::string platform(11+argv[i]);
|
|
|
|
std::string errstr;
|
|
const std::vector<std::string> paths = {argv[0]};
|
|
if (!mSettings.platform.set(platform, errstr, paths)) {
|
|
mLogger.printError(errstr);
|
|
return Result::Fail;
|
|
}
|
|
|
|
// 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.platform.type = Platform::Type::Unix32;
|
|
else if (platform == "unix64-unsigned")
|
|
mSettings.platform.type = Platform::Type::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 = ".";
|
|
|
|
const std::string plistOutput = Path::toNativeSeparators(mSettings.plistOutput);
|
|
if (!Path::isDirectory(plistOutput)) {
|
|
std::string message("plist folder does not exist: '");
|
|
message += plistOutput;
|
|
message += "'.";
|
|
mLogger.printError(message);
|
|
return Result::Fail;
|
|
}
|
|
|
|
if (!endsWith(mSettings.plistOutput,'/'))
|
|
mSettings.plistOutput += '/';
|
|
}
|
|
|
|
// 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" || p == "misra-c-2023")
|
|
mSettings.addons.emplace("misra");
|
|
}
|
|
|
|
// --project
|
|
else if (std::strncmp(argv[i], "--project=", 10) == 0) {
|
|
if (project.projectType != ImportProject::Type::NONE)
|
|
{
|
|
mLogger.printError("multiple --project options are not supported.");
|
|
return Result::Fail;
|
|
}
|
|
|
|
mSettings.checkAllConfigurations = false; // Can be overridden with --max-configs or --force
|
|
std::string projectFile = argv[i]+10;
|
|
ImportProject::Type projType = project.import(projectFile, &mSettings);
|
|
project.projectType = projType;
|
|
if (projType == ImportProject::Type::CPPCHECK_GUI) {
|
|
for (const std::string &lib : project.guiProject.libraries)
|
|
mSettings.libraries.emplace_back(lib);
|
|
|
|
const auto& excludedPaths = project.guiProject.excludedPaths;
|
|
std::copy(excludedPaths.cbegin(), excludedPaths.cend(), std::back_inserter(mIgnoredPaths));
|
|
|
|
std::string platform(project.guiProject.platform);
|
|
|
|
// keep existing platform from command-line intact
|
|
if (!platform.empty()) {
|
|
if (platform == "Unspecified") {
|
|
mLogger.printMessage("'Unspecified' is a deprecated platform type and will be removed in Cppcheck 2.14. Please use 'unspecified' instead.");
|
|
platform = "unspecified";
|
|
}
|
|
|
|
std::string errstr;
|
|
const std::vector<std::string> paths = {projectFile, argv[0]};
|
|
if (!mSettings.platform.set(platform, errstr, paths)) {
|
|
mLogger.printError(errstr);
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
const auto& projectFileGui = project.guiProject.projectFile;
|
|
if (!projectFileGui.empty()) {
|
|
// read underlying project
|
|
projectFile = projectFileGui;
|
|
projType = project.import(projectFileGui, &mSettings);
|
|
}
|
|
}
|
|
if (projType == ImportProject::Type::VS_SLN || projType == ImportProject::Type::VS_VCXPROJ) {
|
|
if (project.guiProject.analyzeAllVsConfigs == "false")
|
|
project.selectOneVsConfig(mSettings.platform.type);
|
|
mSettings.libraries.emplace_back("windows");
|
|
}
|
|
if (projType == ImportProject::Type::MISSING) {
|
|
mLogger.printError("failed to open project '" + projectFile + "'. The file does not exist.");
|
|
return Result::Fail;
|
|
}
|
|
if (projType == ImportProject::Type::UNKNOWN) {
|
|
mLogger.printError("failed to load project '" + projectFile + "'. The format is unknown.");
|
|
return Result::Fail;
|
|
}
|
|
if (projType == ImportProject::Type::FAILURE) {
|
|
mLogger.printError("failed to load project '" + projectFile + "'. An error occurred.");
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
// --project-configuration
|
|
else if (std::strncmp(argv[i], "--project-configuration=", 24) == 0) {
|
|
mVSConfig = argv[i] + 24;
|
|
if (!mVSConfig.empty() && (project.projectType == ImportProject::Type::VS_SLN || project.projectType == ImportProject::Type::VS_VCXPROJ))
|
|
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 {
|
|
mLogger.printError("no paths specified for the '" + std::string(argv[i]) + "' option.");
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
// Report progress
|
|
else if (std::strcmp(argv[i], "--report-progress") == 0) {
|
|
mSettings.reportProgress = 10;
|
|
}
|
|
|
|
else if (std::strncmp(argv[i], "--report-progress=", 18) == 0) {
|
|
int tmp;
|
|
if (!parseNumberArg(argv[i], 18, tmp, true))
|
|
return Result::Fail;
|
|
mSettings.reportProgress = tmp;
|
|
}
|
|
|
|
// Rule given at command line
|
|
else if (std::strncmp(argv[i], "--rule=", 7) == 0) {
|
|
#ifdef HAVE_RULES
|
|
Settings::Rule rule;
|
|
rule.pattern = 7 + argv[i];
|
|
mSettings.rules.emplace_back(std::move(rule));
|
|
#else
|
|
mLogger.printError("Option --rule cannot be used as Cppcheck has not been built with rules support.");
|
|
return Result::Fail;
|
|
#endif
|
|
}
|
|
|
|
// Rule file
|
|
else if (std::strncmp(argv[i], "--rule-file=", 12) == 0) {
|
|
#ifdef HAVE_RULES
|
|
const std::string ruleFile = argv[i] + 12;
|
|
tinyxml2::XMLDocument doc;
|
|
const tinyxml2::XMLError err = doc.LoadFile(ruleFile.c_str());
|
|
if (err == 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;
|
|
|
|
const tinyxml2::XMLElement *tokenlist = node->FirstChildElement("tokenlist");
|
|
if (tokenlist)
|
|
rule.tokenlist = tokenlist->GetText();
|
|
|
|
const tinyxml2::XMLElement *pattern = node->FirstChildElement("pattern");
|
|
if (pattern) {
|
|
rule.pattern = pattern->GetText();
|
|
}
|
|
|
|
tinyxml2::XMLElement *message = node->FirstChildElement("message");
|
|
if (message) {
|
|
const tinyxml2::XMLElement *severity = message->FirstChildElement("severity");
|
|
if (severity)
|
|
rule.severity = severityFromString(severity->GetText());
|
|
|
|
const tinyxml2::XMLElement *id = message->FirstChildElement("id");
|
|
if (id)
|
|
rule.id = id->GetText();
|
|
|
|
const 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 {
|
|
mLogger.printError("unable to load rule-file '" + ruleFile + "' (" + tinyxml2::XMLDocument::ErrorIDToName(err) + ").");
|
|
return Result::Fail;
|
|
}
|
|
#else
|
|
mLogger.printError("Option --rule-file cannot be used as Cppcheck has not been built with rules support.");
|
|
return Result::Fail;
|
|
#endif
|
|
}
|
|
|
|
// Safety certified behavior
|
|
else if (std::strcmp(argv[i], "--safety") == 0)
|
|
mSettings.safety = true;
|
|
|
|
// 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 == "file-total")
|
|
mSettings.showtime = SHOWTIME_MODES::SHOWTIME_FILE_TOTAL;
|
|
else if (showtimeMode == "summary")
|
|
mSettings.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY;
|
|
else if (showtimeMode == "top5") {
|
|
mSettings.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_FILE;
|
|
mLogger.printMessage("--showtime=top5 is deprecated and will be removed in Cppcheck 2.14. Please use --showtime=top5_file or --showtime=top5_summary instead.");
|
|
}
|
|
else if (showtimeMode == "top5_file")
|
|
mSettings.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_FILE;
|
|
else if (showtimeMode == "top5_summary")
|
|
mSettings.showtime = SHOWTIME_MODES::SHOWTIME_TOP5_SUMMARY;
|
|
else if (showtimeMode == "none")
|
|
mSettings.showtime = SHOWTIME_MODES::SHOWTIME_NONE;
|
|
else if (showtimeMode.empty()) {
|
|
mLogger.printError("no mode provided for --showtime");
|
|
return Result::Fail;
|
|
}
|
|
else {
|
|
mLogger.printError("unrecognized --showtime mode: '" + showtimeMode + "'. Supported modes: file, file-total, summary, top5, top5_file, top5_summary.");
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
// --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 {
|
|
mLogger.printError("unknown --std value '" + std + "'");
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
else if (std::strncmp(argv[i], "--suppress=", 11) == 0) {
|
|
const std::string suppression = argv[i]+11;
|
|
const std::string errmsg(mSuppressions.addSuppressionLine(suppression));
|
|
if (!errmsg.empty()) {
|
|
mLogger.printError(errmsg);
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
// 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";
|
|
}
|
|
|
|
mLogger.printError(message);
|
|
return Result::Fail;
|
|
}
|
|
const std::string errmsg(mSuppressions.parseFile(f));
|
|
if (!errmsg.empty()) {
|
|
mLogger.printError(errmsg);
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
else if (std::strncmp(argv[i], "--suppress-xml=", 15) == 0) {
|
|
const char * filename = argv[i] + 15;
|
|
const std::string errmsg(mSuppressions.parseXmlFile(filename));
|
|
if (!errmsg.empty()) {
|
|
mLogger.printError(errmsg);
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
// Output formatter
|
|
else if (std::strncmp(argv[i], "--template=", 11) == 0) {
|
|
mSettings.templateFormat = argv[i] + 11;
|
|
// TODO: bail out when no template is provided?
|
|
|
|
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;
|
|
}
|
|
// TODO: bail out when no placeholders are found?
|
|
}
|
|
|
|
else if (std::strncmp(argv[i], "--template-location=", 20) == 0) {
|
|
mSettings.templateLocation = argv[i] + 20;
|
|
// TODO: bail out when no template is provided?
|
|
// TODO: bail out when no placeholders are found?
|
|
}
|
|
|
|
else if (std::strncmp(argv[i], "--template-max-time=", 20) == 0) {
|
|
if (!parseNumberArg(argv[i], 20, mSettings.templateMaxTime))
|
|
return Result::Fail;
|
|
}
|
|
|
|
else if (std::strncmp(argv[i], "--typedef-max-time=", 19) == 0) {
|
|
if (!parseNumberArg(argv[i], 19, mSettings.typedefMaxTime))
|
|
return Result::Fail;
|
|
}
|
|
|
|
else if (std::strncmp(argv[i], "--valueflow-max-iterations=", 27) == 0) {
|
|
if (!parseNumberArg(argv[i], 27, mSettings.valueFlowMaxIterations))
|
|
return Result::Fail;
|
|
}
|
|
|
|
else if (std::strcmp(argv[i], "-v") == 0 || std::strcmp(argv[i], "--verbose") == 0)
|
|
mSettings.verbose = 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) {
|
|
int tmp;
|
|
if (!parseNumberArg(argv[i], 14, tmp))
|
|
return Result::Fail;
|
|
if (tmp != 2) {
|
|
// We only have xml version 2
|
|
mLogger.printError("'--xml-version' can only be 2.");
|
|
return Result::Fail;
|
|
}
|
|
|
|
mSettings.xml_version = tmp;
|
|
// Enable also XML if version is set
|
|
mSettings.xml = true;
|
|
}
|
|
|
|
else {
|
|
std::string message("unrecognized command line option: \"");
|
|
message += argv[i];
|
|
message += "\".";
|
|
mLogger.printError(message);
|
|
return Result::Fail;
|
|
}
|
|
}
|
|
|
|
else {
|
|
mPathNames.emplace_back(Path::fromNativeSeparators(Path::removeQuotationMarks(argv[i])));
|
|
}
|
|
}
|
|
|
|
if (logMissingInclude == 1)
|
|
mLogger.printMessage("'--enable=information' will no longer implicitly enable 'missingInclude' starting with 2.16. Please enable it explicitly if you require it.");
|
|
|
|
if (!loadCppcheckCfg())
|
|
return Result::Fail;
|
|
|
|
// 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}";
|
|
}
|
|
// replace static parts of the templates
|
|
substituteTemplateFormatStatic(mSettings.templateFormat);
|
|
substituteTemplateLocationStatic(mSettings.templateLocation);
|
|
|
|
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 && mSettings.buildDir.empty()) {
|
|
// TODO: bail out
|
|
mLogger.printMessage("unusedFunction check can't be used with '-j' option. Disabling unusedFunction check.");
|
|
}
|
|
|
|
if (!mPathNames.empty() && project.projectType != ImportProject::Type::NONE) {
|
|
mLogger.printError("--project cannot be used in conjunction with source files.");
|
|
return Result::Fail;
|
|
}
|
|
|
|
// Print error only if we have "real" command and expect files
|
|
if (mPathNames.empty() && project.guiProject.pathNames.empty() && project.fileSettings.empty()) {
|
|
// TODO: this message differs from the one reported in fillSettingsFromArgs()
|
|
mLogger.printError("no C or C++ source files found.");
|
|
return Result::Fail;
|
|
}
|
|
|
|
if (!project.guiProject.pathNames.empty())
|
|
mPathNames = project.guiProject.pathNames;
|
|
|
|
if (!project.fileSettings.empty()) {
|
|
project.ignorePaths(mIgnoredPaths);
|
|
if (project.fileSettings.empty()) {
|
|
mLogger.printError("no C or C++ source files found.");
|
|
mLogger.printMessage("all paths were ignored"); // TODO: log this differently?
|
|
return Result::Fail;
|
|
}
|
|
mFileSettings = project.fileSettings;
|
|
}
|
|
|
|
// Use paths _pathnames if no base paths for relative path output are given
|
|
if (mSettings.basePaths.empty() && mSettings.relativePaths)
|
|
mSettings.basePaths = mPathNames;
|
|
|
|
return Result::Success;
|
|
}
|
|
|
|
void CmdLineParser::printHelp() const
|
|
{
|
|
const std::string manualUrl(isCppcheckPremium() ?
|
|
"https://cppcheck.sourceforge.io/manual.pdf" :
|
|
"https://files.cppchecksolutions.com/manual.pdf");
|
|
|
|
std::ostringstream oss;
|
|
oss << "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=<addon>\n"
|
|
" Execute addon. i.e. --addon=misra. If options must be\n"
|
|
" provided a json configuration is needed.\n"
|
|
" --addon-python=<python interpreter>\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=<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-level=<level>\n"
|
|
" Configure how much checking you want:\n"
|
|
" * normal: Cppcheck uses some compromises in the checking so\n"
|
|
" the checking will finish in reasonable time.\n"
|
|
" * exhaustive: deeper analysis that you choose when you can\n"
|
|
" wait.\n"
|
|
" The default choice is 'normal'.\n"
|
|
" --check-library Show information messages when library files have\n"
|
|
" incomplete info.\n"
|
|
" --checkers-report=<file>\n"
|
|
" Write a report of all the active checkers to the given file.\n"
|
|
" --clang=<path> 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=<dir>\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=<file>\n"
|
|
" A file that contains a list of config-excludes\n"
|
|
" --disable=<id> Disable individual checks.\n"
|
|
" Please refer to the documentation of --enable=<id>\n"
|
|
" for further 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<ID> 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=<id> 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.\n"
|
|
" Several ids can be given if you separate them with\n"
|
|
" commas. See also --std\n"
|
|
" --error-exitcode=<n> 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=<file>\n"
|
|
" Used when certain messages should be displayed but\n"
|
|
" should not cause a non-zero exitcode.\n"
|
|
" --file-filter=<str> 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=<file> 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"
|
|
" --fsigned-char Treat char type as signed.\n"
|
|
" --funsigned-char Treat char type as unsigned.\n"
|
|
" -h, --help Print this help.\n"
|
|
" -I <dir> 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=<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=<file>\n"
|
|
" Force inclusion of a file before the checked file.\n"
|
|
" -i <dir or file> 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 <jobs> Start <jobs> threads to do the checking simultaneously.\n"
|
|
" -l <load> Specifies that no new threads should be started if\n"
|
|
" there are other threads running and the load average is\n"
|
|
" at least <load>.\n"
|
|
" --language=<language>, -x <language>\n"
|
|
" Forces cppcheck to check all files as the given\n"
|
|
" language. Valid values are: c, c++\n"
|
|
" --library=<cfg> Load file <cfg> 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=<limit>\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=<file> Write results to file, rather than standard error.\n"
|
|
" --platform=<type>, --platform=<file>\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=<path>\n"
|
|
" Generate Clang-plist output files in folder.\n";
|
|
|
|
if (isCppcheckPremium()) {
|
|
oss <<
|
|
" --premium=<option>\n"
|
|
" Coding standards:\n"
|
|
" * autosar Autosar (partial)\n"
|
|
" * cert-c-2016 Cert C 2016 checking\n"
|
|
" * cert-c++-2016 Cert C++ 2016 checking\n"
|
|
" * misra-c-2012 Misra C 2012\n"
|
|
" * misra-c-2023 Misra C 2023\n"
|
|
" * misra-c++-2008 Misra C++ 2008 (partial)\n"
|
|
" Other:\n"
|
|
" * bughunting Soundy analysis\n"
|
|
" * cert-c-int-precision=BITS Integer precision to use in Cert C analysis.\n";
|
|
}
|
|
|
|
oss <<
|
|
" --project=<file> Run Cppcheck on project. The <file> can be a Visual\n"
|
|
" Studio Solution (*.sln), Visual Studio Project\n"
|
|
" (*.vcxproj), compile database (compile_commands.json),\n"
|
|
" or Borland C++ Builder 6 (*.bpr). The files to analyse,\n"
|
|
" include paths, defines, platform and undefines in\n"
|
|
" the specified file will be used.\n"
|
|
" --project-configuration=<config>\n"
|
|
" If used together with a Visual Studio Solution (*.sln)\n"
|
|
" or Visual Studio Project (*.vcxproj) you can limit\n"
|
|
" the configuration cppcheck should check.\n"
|
|
" For example: '--project-configuration=Release|Win32'\n"
|
|
" -q, --quiet Do not show progress reports.\n"
|
|
" Note that this option is not mutually exclusive with --verbose.\n"
|
|
" -rp=<paths>, --relative-paths=<paths>\n"
|
|
" Use relative paths in output. When given, <paths> are\n"
|
|
" used as base. You can separate multiple paths by ';'.\n"
|
|
" Otherwise path where source files are searched is used.\n"
|
|
" We use string comparison to create relative paths, so\n"
|
|
" using e.g. ~ for home folder does not work. It is\n"
|
|
" currently only possible to apply the base paths to\n"
|
|
" files that are on a lower level in the directory tree.\n"
|
|
" --report-progress Report progress messages while checking a file (single job only).\n"
|
|
" --rule=<rule> Match regular expression.\n"
|
|
" --rule-file=<file> Use given rule file. For more information, see:\n"
|
|
" http://sourceforge.net/projects/cppcheck/files/Articles/\n"
|
|
" --showtime=<mode> Show timing information.\n"
|
|
" The available modes are:\n"
|
|
" * none\n"
|
|
" Show nothing (default)\n"
|
|
" * file\n"
|
|
" Show for each processed file\n"
|
|
" * file-total\n"
|
|
" Show total time only for each processed file\n"
|
|
" * summary\n"
|
|
" Show a summary at the end\n"
|
|
" * top5_file\n"
|
|
" Show the top 5 for each processed file\n"
|
|
" * top5_summary\n"
|
|
" Show the top 5 summary at the end\n"
|
|
" * top5\n"
|
|
" Alias for top5_file (deprecated)\n"
|
|
" --std=<id> Set standard.\n"
|
|
" The available options are:\n"
|
|
" * c89\n"
|
|
" C code is C89 compatible\n"
|
|
" * c99\n"
|
|
" C code is C99 compatible\n"
|
|
" * c11\n"
|
|
" C code is C11 compatible (default)\n"
|
|
" * c++03\n"
|
|
" C++ code is C++03 compatible\n"
|
|
" * c++11\n"
|
|
" C++ code is C++11 compatible\n"
|
|
" * c++14\n"
|
|
" C++ code is C++14 compatible\n"
|
|
" * c++17\n"
|
|
" C++ code is C++17 compatible\n"
|
|
" * c++20\n"
|
|
" C++ code is C++20 compatible (default)\n"
|
|
" --suppress=<spec> Suppress warnings that match <spec>. The format of\n"
|
|
" <spec> is:\n"
|
|
" [error id]:[filename]:[line]\n"
|
|
" The [filename] and [line] are optional. If [error id]\n"
|
|
" is a wildcard '*', all error ids match.\n"
|
|
" --suppressions-list=<file>\n"
|
|
" Suppress warnings listed in the file. Each suppression\n"
|
|
" is in the same format as <spec> above.\n"
|
|
" --suppress-xml=<file>\n"
|
|
" Suppress warnings listed in a xml file. XML file should\n"
|
|
" follow the manual.pdf format specified in section.\n"
|
|
" `6.4 XML suppressions` .\n"
|
|
" --template='<text>' Format the error messages. Available fields:\n"
|
|
" {file} file name\n"
|
|
" {line} line number\n"
|
|
" {column} column number\n"
|
|
" {callstack} show a callstack. Example:\n"
|
|
" [file.c:1] -> [file.c:100]\n"
|
|
" {inconclusive:text} if warning is inconclusive, text\n"
|
|
" is written\n"
|
|
" {severity} severity\n"
|
|
" {message} warning message\n"
|
|
" {id} warning id\n"
|
|
" {cwe} CWE id (Common Weakness Enumeration)\n"
|
|
" {code} show the real code\n"
|
|
" \\t insert tab\n"
|
|
" \\n insert newline\n"
|
|
" \\r insert carriage return\n"
|
|
" Example formats:\n"
|
|
" '{file}:{line},{severity},{id},{message}' or\n"
|
|
" '{file}({line}):({severity}) {message}' or\n"
|
|
" '{callstack} {message}'\n"
|
|
" Pre-defined templates: gcc (default), cppcheck1 (old default), vs, edit.\n"
|
|
// Note: template daca2 also exists, but is for internal use (cppcheck scripts).
|
|
" --template-location='<text>'\n"
|
|
" Format error message location. If this is not provided\n"
|
|
" then no extra location info is shown.\n"
|
|
" Available fields:\n"
|
|
" {file} file name\n"
|
|
" {line} line number\n"
|
|
" {column} column number\n"
|
|
" {info} location info\n"
|
|
" {code} show the real code\n"
|
|
" \\t insert tab\n"
|
|
" \\n insert newline\n"
|
|
" \\r insert carriage return\n"
|
|
" Example format (gcc-like):\n"
|
|
" '{file}:{line}:{column}: note: {info}\\n{code}'\n"
|
|
" -U<ID> Undefine preprocessor symbol. Use -U to explicitly\n"
|
|
" hide certain #ifdef <ID> code paths from checking.\n"
|
|
" Example: '-UDEBUG'\n"
|
|
" -v, --verbose Output more detailed error information.\n"
|
|
" Note that this option is not mutually exclusive with --quiet.\n"
|
|
" --version Print out version number.\n"
|
|
" --xml Write results in xml format to error stream (stderr).\n"
|
|
"\n"
|
|
"Example usage:\n"
|
|
" # Recursively check the current folder. Print the progress on the screen and\n"
|
|
" # write errors to a file:\n"
|
|
" cppcheck . 2> err.txt\n"
|
|
"\n"
|
|
" # Recursively check ../myproject/ and don't print progress:\n"
|
|
" cppcheck --quiet ../myproject/\n"
|
|
"\n"
|
|
" # Check test.cpp, enable all checks:\n"
|
|
" cppcheck --enable=all --inconclusive --library=posix test.cpp\n"
|
|
"\n"
|
|
" # Check f.cpp and search include files from inc1/ and inc2/:\n"
|
|
" cppcheck -I inc1/ -I inc2/ f.cpp\n"
|
|
"\n"
|
|
"For more information:\n"
|
|
" " << manualUrl << "\n"
|
|
"\n"
|
|
"Many thanks to the 3rd party libraries we use:\n"
|
|
" * tinyxml2 -- loading project/library/ctu files.\n"
|
|
" * picojson -- loading compile database.\n"
|
|
" * pcre -- rules.\n"
|
|
" * qt -- used in GUI\n";
|
|
|
|
mLogger.printRaw(oss.str());
|
|
}
|
|
|
|
bool CmdLineParser::isCppcheckPremium() const {
|
|
if (mSettings.cppcheckCfgProductName.empty())
|
|
mSettings.loadCppcheckCfg();
|
|
return startsWith(mSettings.cppcheckCfgProductName, "Cppcheck Premium");
|
|
}
|
|
|
|
bool CmdLineParser::tryLoadLibrary(Library& destination, const std::string& basepath, const char* filename)
|
|
{
|
|
const Library::Error err = destination.load(basepath.c_str(), filename);
|
|
|
|
if (err.errorcode == Library::ErrorCode::UNKNOWN_ELEMENT)
|
|
mLogger.printMessage("Found unknown elements in configuration file '" + std::string(filename) + "': " + err.reason); // TODO: print as errors
|
|
else if (err.errorcode != Library::ErrorCode::OK) {
|
|
std::string msg = "Failed to load library configuration file '" + std::string(filename) + "'. ";
|
|
switch (err.errorcode) {
|
|
case Library::ErrorCode::OK:
|
|
break;
|
|
case Library::ErrorCode::FILE_NOT_FOUND:
|
|
msg += "File not found";
|
|
break;
|
|
case Library::ErrorCode::BAD_XML:
|
|
msg += "Bad XML";
|
|
break;
|
|
case Library::ErrorCode::UNKNOWN_ELEMENT:
|
|
msg += "Unexpected element";
|
|
break;
|
|
case Library::ErrorCode::MISSING_ATTRIBUTE:
|
|
msg +="Missing attribute";
|
|
break;
|
|
case Library::ErrorCode::BAD_ATTRIBUTE_VALUE:
|
|
msg += "Bad attribute value";
|
|
break;
|
|
case Library::ErrorCode::UNSUPPORTED_FORMAT:
|
|
msg += "File is of unsupported format version";
|
|
break;
|
|
case Library::ErrorCode::DUPLICATE_PLATFORM_TYPE:
|
|
msg += "Duplicate platform type";
|
|
break;
|
|
case Library::ErrorCode::PLATFORM_TYPE_REDEFINED:
|
|
msg += "Platform type redefined";
|
|
break;
|
|
}
|
|
if (!err.reason.empty())
|
|
msg += " '" + err.reason + "'";
|
|
mLogger.printMessage(msg); // TODO: print as errors
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CmdLineParser::loadLibraries(Settings& settings)
|
|
{
|
|
if (!tryLoadLibrary(settings.library, settings.exename, "std.cfg")) {
|
|
const std::string msg("Failed to load std.cfg. Your Cppcheck installation is broken, please re-install.");
|
|
#ifdef FILESDIR
|
|
const std::string details("The Cppcheck binary was compiled with FILESDIR set to \""
|
|
FILESDIR "\" and will therefore search for "
|
|
"std.cfg in " FILESDIR "/cfg.");
|
|
#else
|
|
const std::string cfgfolder(Path::fromNativeSeparators(Path::getPathFromFilename(settings.exename)) + "cfg");
|
|
const std::string details("The Cppcheck binary was compiled without FILESDIR set. Either the "
|
|
"std.cfg should be available in " + cfgfolder + " or the FILESDIR "
|
|
"should be configured.");
|
|
#endif
|
|
mLogger.printRaw(msg + " " + details); // TODO: do not print as raw?
|
|
return false;
|
|
}
|
|
|
|
bool result = true;
|
|
for (const auto& lib : settings.libraries) {
|
|
if (!tryLoadLibrary(settings.library, settings.exename, lib.c_str())) {
|
|
result = false;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool CmdLineParser::loadAddons(Settings& settings)
|
|
{
|
|
bool result = true;
|
|
for (const std::string &addon: settings.addons) {
|
|
AddonInfo addonInfo;
|
|
const std::string failedToGetAddonInfo = addonInfo.getAddonInfo(addon, settings.exename);
|
|
if (!failedToGetAddonInfo.empty()) {
|
|
mLogger.printRaw(failedToGetAddonInfo); // TODO: do not print as raw
|
|
result = false;
|
|
continue;
|
|
}
|
|
settings.addonInfos.emplace_back(std::move(addonInfo));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool CmdLineParser::loadCppcheckCfg()
|
|
{
|
|
const std::string cfgErr = mSettings.loadCppcheckCfg();
|
|
if (!cfgErr.empty()) {
|
|
mLogger.printError("could not load cppcheck.cfg - " + cfgErr);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|