1209 lines
57 KiB
C++
1209 lines
57 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2019 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 "check.h"
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#include "cppcheckexecutor.h"
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#include "filelister.h"
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#include "importproject.h"
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#include "path.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 "threadexecutor.h" // Threading model
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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 <cstdio>
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#include <cstdlib> // EXIT_FAILURE
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#include <cstring>
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#include <iostream>
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#include <list>
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#include <set>
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#ifdef HAVE_RULES
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// xml is used for rules
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#include <tinyxml2.h>
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#endif
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static void addFilesToList(const std::string& fileList, std::vector<std::string>& pathNames)
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{
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// To keep things initially simple, if the file can't be opened, just be silent and move on.
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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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files = &infile;
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}
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if (files && *files) {
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std::string fileName;
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while (std::getline(*files, fileName)) { // next line
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if (!fileName.empty()) {
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pathNames.push_back(fileName);
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}
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}
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}
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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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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->push_back(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.begin(), templist.end());
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return true;
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}
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CmdLineParser::CmdLineParser(Settings *settings)
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: mSettings(settings)
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, mShowHelp(false)
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, mShowVersion(false)
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, mShowErrorMessages(false)
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, mExitAfterPrint(false)
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{
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}
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void CmdLineParser::printMessage(const std::string &message)
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{
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std::cout << message << std::endl;
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}
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void CmdLineParser::printMessage(const char* message)
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{
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std::cout << message << std::endl;
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}
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bool CmdLineParser::parseFromArgs(int argc, const char* const argv[])
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{
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bool def = false;
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bool maxconfigs = false;
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mSettings->exename = argv[0];
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for (int i = 1; i < argc; i++) {
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if (argv[i][0] == '-') {
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if (std::strcmp(argv[i], "--version") == 0) {
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mShowVersion = true;
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mExitAfterPrint = true;
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return true;
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}
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else if (std::strncmp(argv[i], "--addon=", 8) == 0)
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mSettings->addons.emplace_back(argv[i]+8);
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else if (std::strncmp(argv[i], "--cppcheck-build-dir=", 21) == 0) {
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mSettings->buildDir = Path::fromNativeSeparators(argv[i] + 21);
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if (endsWith(mSettings->buildDir, '/'))
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mSettings->buildDir.erase(mSettings->buildDir.size() - 1U);
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}
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// Flag used for various purposes during debugging
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else if (std::strcmp(argv[i], "--debug-simplified") == 0)
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mSettings->debugSimplified = true;
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// Show --debug output after the first simplifications
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else if (std::strcmp(argv[i], "--debug") == 0 ||
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std::strcmp(argv[i], "--debug-normal") == 0)
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mSettings->debugnormal = true;
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// Show debug warnings
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else if (std::strcmp(argv[i], "--debug-warnings") == 0)
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mSettings->debugwarnings = true;
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// Show template information
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else if (std::strcmp(argv[i], "--debug-template") == 0)
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mSettings->debugtemplate = true;
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// dump cppcheck data
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else if (std::strcmp(argv[i], "--dump") == 0)
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mSettings->dump = true;
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// max ctu depth
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else if (std::strncmp(argv[i], "--max-ctu-depth=", 16) == 0)
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mSettings->maxCtuDepth = std::atoi(argv[i] + 16);
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else if (std::strcmp(argv[i], "--experimental-fast") == 0)
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// TODO: Reomve this flag!
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;
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// (Experimental) exception handling inside cppcheck client
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else if (std::strcmp(argv[i], "--exception-handling") == 0)
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mSettings->exceptionHandling = true;
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else if (std::strncmp(argv[i], "--exception-handling=", 21) == 0) {
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mSettings->exceptionHandling = true;
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const std::string exceptionOutfilename = &(argv[i][21]);
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CppCheckExecutor::setExceptionOutput((exceptionOutfilename=="stderr") ? stderr : stdout);
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}
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// Inconclusive checking
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else if (std::strcmp(argv[i], "--inconclusive") == 0)
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mSettings->inconclusive = true;
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// Experimental: Safe checking
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else if (std::strcmp(argv[i], "--safe-classes") == 0)
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mSettings->safeChecks.classes = true;
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// Experimental: Safe checking
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else if (std::strcmp(argv[i], "--safe-functions") == 0)
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mSettings->safeChecks.externalFunctions = mSettings->safeChecks.internalFunctions = true;
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// Experimental: Verify
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else if (std::strcmp(argv[i], "--verify") == 0)
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mSettings->verification = true;
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else if (std::strcmp(argv[i], "--debug-verify") == 0)
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mSettings->debugVerification = true;
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// Enforce language (--language=, -x)
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else if (std::strncmp(argv[i], "--language=", 11) == 0 || std::strcmp(argv[i], "-x") == 0) {
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std::string str;
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if (argv[i][2]) {
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str = argv[i]+11;
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} else {
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i++;
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if (i >= argc || argv[i][0] == '-') {
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printMessage("cppcheck: No language given to '-x' option.");
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return false;
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}
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str = argv[i];
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}
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if (str == "c")
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mSettings->enforcedLang = Settings::C;
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else if (str == "c++")
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mSettings->enforcedLang = Settings::CPP;
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else {
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printMessage("cppcheck: Unknown language '" + str + "' enforced.");
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return false;
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}
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}
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// Filter errors
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else if (std::strncmp(argv[i], "--exitcode-suppressions=", 24) == 0) {
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// exitcode-suppressions=filename.txt
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std::string filename = 24 + argv[i];
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std::ifstream f(filename);
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if (!f.is_open()) {
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printMessage("cppcheck: Couldn't open the file: \"" + filename + "\".");
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return false;
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}
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const std::string errmsg(mSettings->nofail.parseFile(f));
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if (!errmsg.empty()) {
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printMessage(errmsg);
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return false;
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}
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}
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// Filter errors
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else if (std::strncmp(argv[i], "--suppressions-list=", 20) == 0) {
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std::string filename = argv[i]+20;
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std::ifstream f(filename);
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if (!f.is_open()) {
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std::string message("cppcheck: Couldn't open the file: \"");
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message += filename;
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message += "\".";
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if (std::count(filename.begin(), filename.end(), ',') > 0 ||
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std::count(filename.begin(), filename.end(), '.') > 1) {
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// If user tried to pass multiple files (we can only guess that)
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// e.g. like this: --suppressions-list=a.txt,b.txt
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// print more detailed error message to tell user how he can solve the problem
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message += "\nIf you want to pass two files, you can do it e.g. like this:";
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message += "\n cppcheck --suppressions-list=a.txt --suppressions-list=b.txt file.cpp";
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}
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printMessage(message);
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return false;
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}
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const std::string errmsg(mSettings->nomsg.parseFile(f));
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if (!errmsg.empty()) {
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printMessage(errmsg);
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return false;
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}
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}
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else if (std::strncmp(argv[i], "--suppress-xml=", 15) == 0) {
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const char * filename = argv[i] + 15;
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const std::string errmsg(mSettings->nomsg.parseXmlFile(filename));
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if (!errmsg.empty()) {
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printMessage(errmsg);
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return false;
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}
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}
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else if (std::strncmp(argv[i], "--suppress=", 11) == 0) {
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const std::string suppression = argv[i]+11;
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const std::string errmsg(mSettings->nomsg.addSuppressionLine(suppression));
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if (!errmsg.empty()) {
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printMessage(errmsg);
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return false;
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}
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}
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// Enables inline suppressions.
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else if (std::strcmp(argv[i], "--inline-suppr") == 0)
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mSettings->inlineSuppressions = true;
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// Verbose error messages (configuration info)
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else if (std::strcmp(argv[i], "-v") == 0 || std::strcmp(argv[i], "--verbose") == 0)
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mSettings->verbose = true;
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// Force checking of files that have "too many" configurations
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else if (std::strcmp(argv[i], "-f") == 0 || std::strcmp(argv[i], "--force") == 0)
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mSettings->force = true;
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// Output relative paths
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else if (std::strcmp(argv[i], "-rp") == 0 || std::strcmp(argv[i], "--relative-paths") == 0)
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mSettings->relativePaths = true;
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else if (std::strncmp(argv[i], "-rp=", 4) == 0 || std::strncmp(argv[i], "--relative-paths=", 17) == 0) {
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mSettings->relativePaths = true;
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if (argv[i][argv[i][3]=='='?4:17] != 0) {
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std::string paths = argv[i]+(argv[i][3]=='='?4:17);
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for (;;) {
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const std::string::size_type pos = paths.find(';');
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if (pos == std::string::npos) {
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mSettings->basePaths.push_back(Path::fromNativeSeparators(paths));
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break;
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}
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mSettings->basePaths.push_back(Path::fromNativeSeparators(paths.substr(0, pos)));
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paths.erase(0, pos + 1);
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}
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} else {
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printMessage("cppcheck: No paths specified for the '" + std::string(argv[i]) + "' option.");
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return false;
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}
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}
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// Write results in file
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else if (std::strncmp(argv[i], "--output-file=", 14) == 0)
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mSettings->outputFile = Path::simplifyPath(Path::fromNativeSeparators(argv[i] + 14));
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// Write results in results.plist
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else if (std::strncmp(argv[i], "--plist-output=", 15) == 0) {
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mSettings->plistOutput = Path::simplifyPath(Path::fromNativeSeparators(argv[i] + 15));
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if (mSettings->plistOutput.empty())
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mSettings->plistOutput = "./";
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else if (!endsWith(mSettings->plistOutput,'/'))
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mSettings->plistOutput += '/';
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}
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// Write results in results.xml
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else if (std::strcmp(argv[i], "--xml") == 0)
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mSettings->xml = true;
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// Define the XML file version (and enable XML output)
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else if (std::strncmp(argv[i], "--xml-version=", 14) == 0) {
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const std::string numberString(argv[i]+14);
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std::istringstream iss(numberString);
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if (!(iss >> mSettings->xml_version)) {
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printMessage("cppcheck: argument to '--xml-version' is not a number.");
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return false;
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}
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if (mSettings->xml_version != 2) {
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// We only have xml version 2
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printMessage("cppcheck: '--xml-version' can only be 2.");
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return false;
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}
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// Enable also XML if version is set
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mSettings->xml = true;
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}
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// Only print something when there are errors
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else if (std::strcmp(argv[i], "-q") == 0 || std::strcmp(argv[i], "--quiet") == 0)
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mSettings->quiet = true;
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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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}
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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], "--enable=", 9) == 0) {
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const std::string errmsg = mSettings->addEnabled(argv[i] + 9);
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if (!errmsg.empty()) {
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printMessage(errmsg);
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return false;
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}
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// when "style" is enabled, also enable "warning", "performance" and "portability"
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if (mSettings->isEnabled(Settings::STYLE)) {
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mSettings->addEnabled("warning");
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mSettings->addEnabled("performance");
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mSettings->addEnabled("portability");
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}
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}
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// --error-exitcode=1
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else if (std::strncmp(argv[i], "--error-exitcode=", 17) == 0) {
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const std::string temp = argv[i]+17;
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std::istringstream iss(temp);
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if (!(iss >> mSettings->exitCode)) {
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mSettings->exitCode = 0;
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printMessage("cppcheck: Argument must be an integer. Try something like '--error-exitcode=1'.");
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return false;
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}
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}
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// User define
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else 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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printMessage("cppcheck: argument to '-D' is missing.");
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return false;
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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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// 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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printMessage("cppcheck: argument to '-U' is missing.");
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return false;
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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(undef);
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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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printMessage("cppcheck: argument to '-I' is missing.");
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return false;
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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.push_back(path);
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} else if (std::strncmp(argv[i], "--include=", 10) == 0) {
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std::string path = argv[i] + 10;
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path = Path::fromNativeSeparators(path);
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mSettings->userIncludes.push_back(path);
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} else if (std::strncmp(argv[i], "--includes-file=", 16) == 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 includesFile(16 + argv[i]);
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if (!addIncludePathsToList(includesFile, &mSettings->includePaths)) {
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printMessage("Cppcheck: unable to open includes file at '" + includesFile + "'");
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return false;
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}
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} else if (std::strncmp(argv[i], "--config-exclude=",17) ==0) {
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std::string path = argv[i] + 17;
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path = Path::fromNativeSeparators(path);
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mSettings->configExcludePaths.insert(path);
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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)) {
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printMessage("Cppcheck: unable to open config excludes file at '" + cfgExcludesFile + "'");
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return false;
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}
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}
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|
|
// 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)
|
|
addFilesToList(12 + argv[i], mPathNames);
|
|
}
|
|
|
|
// 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] == '-') {
|
|
printMessage("cppcheck: 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.push_back(path);
|
|
}
|
|
}
|
|
|
|
// --library
|
|
else if (std::strncmp(argv[i], "--library=", 10) == 0) {
|
|
std::string lib(argv[i] + 10);
|
|
mSettings->libraries.push_back(lib);
|
|
}
|
|
|
|
// --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);
|
|
if (projType == ImportProject::Type::CPPCHECK_GUI) {
|
|
mPathNames = mSettings->project.guiProject.pathNames;
|
|
for (const std::string &lib : mSettings->project.guiProject.libraries)
|
|
mSettings->libraries.push_back(lib);
|
|
|
|
for (const std::string &ignorePath : mSettings->project.guiProject.excludedPaths)
|
|
mIgnoredPaths.emplace_back(ignorePath);
|
|
|
|
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 == "")
|
|
;
|
|
else if (!mSettings->loadPlatformFile(argv[0], platform)) {
|
|
std::string message("cppcheck: error: unrecognized platform: \"");
|
|
message += platform;
|
|
message += "\".";
|
|
printMessage(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.
|
|
printMessage("cppcheck: Failed to load 'windows.cfg'. Your Cppcheck installation is broken. Please re-install.");
|
|
return false;
|
|
}
|
|
}
|
|
if (projType == ImportProject::Type::MISSING) {
|
|
printMessage("cppcheck: Failed to open project '" + projectFile + "'.");
|
|
return false;
|
|
}
|
|
if (projType == ImportProject::Type::UNKNOWN) {
|
|
printMessage("cppcheck: Failed to load project '" + projectFile + "'. The format is unknown.");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Report progress
|
|
else if (std::strcmp(argv[i], "--report-progress") == 0) {
|
|
mSettings->reportProgress = true;
|
|
}
|
|
|
|
// --std
|
|
else if (std::strcmp(argv[i], "--std=posix") == 0) {
|
|
printMessage("cppcheck: Option --std=posix is deprecated and will be removed in 1.95.");
|
|
} else if (std::strcmp(argv[i], "--std=c89") == 0) {
|
|
mSettings->standards.c = Standards::C89;
|
|
} else if (std::strcmp(argv[i], "--std=c99") == 0) {
|
|
mSettings->standards.c = Standards::C99;
|
|
} else if (std::strcmp(argv[i], "--std=c11") == 0) {
|
|
mSettings->standards.c = Standards::C11;
|
|
} else if (std::strcmp(argv[i], "--std=c++03") == 0) {
|
|
mSettings->standards.cpp = Standards::CPP03;
|
|
} else if (std::strcmp(argv[i], "--std=c++11") == 0) {
|
|
mSettings->standards.cpp = Standards::CPP11;
|
|
} else if (std::strcmp(argv[i], "--std=c++14") == 0) {
|
|
mSettings->standards.cpp = Standards::CPP14;
|
|
} else if (std::strcmp(argv[i], "--std=c++17") == 0) {
|
|
mSettings->standards.cpp = Standards::CPP17;
|
|
} else if (std::strcmp(argv[i], "--std=c++20") == 0) {
|
|
mSettings->standards.cpp = Standards::CPP20;
|
|
}
|
|
|
|
// 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 {
|
|
printMessage("cppcheck: argument to '--template' is missing.");
|
|
return false;
|
|
}
|
|
|
|
if (mSettings->templateFormat == "gcc") {
|
|
mSettings->templateFormat = "{file}:{line}:{column}: warning: {message} [{id}]\\n{code}";
|
|
mSettings->templateLocation = "{file}:{line}:{column}: note: {info}\\n{code}";
|
|
} else if (mSettings->templateFormat == "daca2") {
|
|
mSettings->templateFormat = "{file}:{line}:{column}: {severity}: {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 (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 {
|
|
printMessage("cppcheck: argument to '--template' is missing.");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// 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] == '-') {
|
|
printMessage("cppcheck: argument to '-j' is missing.");
|
|
return false;
|
|
}
|
|
|
|
numberString = argv[i];
|
|
}
|
|
|
|
// "-j3"
|
|
else
|
|
numberString = argv[i]+2;
|
|
|
|
std::istringstream iss(numberString);
|
|
if (!(iss >> mSettings->jobs)) {
|
|
printMessage("cppcheck: 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.
|
|
printMessage("cppcheck: argument for '-j' is allowed to be 10000 at max.");
|
|
return false;
|
|
}
|
|
} 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] == '-') {
|
|
printMessage("cppcheck: argument to '-l' is missing.");
|
|
return false;
|
|
}
|
|
|
|
numberString = argv[i];
|
|
}
|
|
|
|
// "-l3"
|
|
else
|
|
numberString = argv[i]+2;
|
|
|
|
std::istringstream iss(numberString);
|
|
if (!(iss >> mSettings->loadAverage)) {
|
|
printMessage("cppcheck: argument to '-l' is not a number.");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// print all possible error messages..
|
|
else if (std::strcmp(argv[i], "--errorlist") == 0) {
|
|
mShowErrorMessages = true;
|
|
mSettings->xml = true;
|
|
mExitAfterPrint = true;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
// 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 {
|
|
std::string message("cppcheck: error: unrecognized showtime mode: \"");
|
|
message += showtimeMode;
|
|
message += "\". Supported modes: file, summary, top5.";
|
|
printMessage(message);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
#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.push_back(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();
|
|
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.push_back(rule);
|
|
}
|
|
} else {
|
|
printMessage("cppcheck: error: unable to load rule-file: " + std::string(12+argv[i]));
|
|
return false;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// 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)) {
|
|
std::string message("cppcheck: error: unrecognized platform: \"");
|
|
message += platform;
|
|
message += "\".";
|
|
printMessage(message);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// 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)) {
|
|
printMessage("cppcheck: argument to '--max-configs=' is not a number.");
|
|
return false;
|
|
}
|
|
|
|
if (mSettings->maxConfigs < 1) {
|
|
printMessage("cppcheck: argument to '--max-configs=' must be greater than 0.");
|
|
return false;
|
|
}
|
|
|
|
maxconfigs = true;
|
|
}
|
|
|
|
// Print help
|
|
else if (std::strcmp(argv[i], "-h") == 0 || std::strcmp(argv[i], "--help") == 0) {
|
|
mPathNames.clear();
|
|
mShowHelp = true;
|
|
mExitAfterPrint = true;
|
|
break;
|
|
}
|
|
|
|
else {
|
|
std::string message("cppcheck: error: unrecognized command line option: \"");
|
|
message += argv[i];
|
|
message += "\".";
|
|
printMessage(message);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
else {
|
|
std::string path = Path::removeQuotationMarks(argv[i]);
|
|
path = Path::fromNativeSeparators(path);
|
|
mPathNames.push_back(path);
|
|
}
|
|
}
|
|
|
|
// Default template format..
|
|
if (mSettings->templateFormat.empty()) {
|
|
mSettings->templateFormat = "{file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]\\n{code}";
|
|
if (mSettings->templateLocation.empty())
|
|
mSettings->templateLocation = "{file}:{line}:{column}: note: {info}\\n{code}";
|
|
}
|
|
|
|
mSettings->project.ignorePaths(mIgnoredPaths);
|
|
|
|
if (mSettings->force || maxconfigs)
|
|
mSettings->checkAllConfigurations = true;
|
|
|
|
if (mSettings->force)
|
|
mSettings->maxConfigs = ~0U;
|
|
|
|
else if ((def || mSettings->preprocessOnly) && !maxconfigs)
|
|
mSettings->maxConfigs = 1U;
|
|
|
|
if (mSettings->isEnabled(Settings::UNUSED_FUNCTION) && mSettings->jobs > 1) {
|
|
printMessage("cppcheck: unusedFunction check can't be used with '-j' option. Disabling unusedFunction check.");
|
|
}
|
|
|
|
if (argc <= 1) {
|
|
mShowHelp = true;
|
|
mExitAfterPrint = true;
|
|
}
|
|
|
|
if (mShowHelp) {
|
|
printHelp();
|
|
return true;
|
|
}
|
|
|
|
// Print error only if we have "real" command and expect files
|
|
if (!mExitAfterPrint && mPathNames.empty() && mSettings->project.fileSettings.empty()) {
|
|
printMessage("cppcheck: 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()
|
|
{
|
|
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,\n"
|
|
"*.tpp, and *.txx files are checked recursively from the given directory.\n\n"
|
|
"Options:\n"
|
|
" --addon=<addon>\n"
|
|
" Execute addon. i.e. cert.\n"
|
|
" --cppcheck-build-dir=<dir>\n"
|
|
" Analysis output directory. Useful for various data.\n"
|
|
" Some possible usages are; whole program analysis,\n"
|
|
" incremental analysis, distributed analysis.\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"
|
|
" --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"
|
|
" --doc Print a list of all available checks.\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"
|
|
" -U<ID> Undefine preprocessor symbol. Use -U to explicitly\n"
|
|
" hide certain #ifdef <ID> code paths from checking.\n"
|
|
" Example: '-UDEBUG'\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', 'performance' and\n"
|
|
" '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 recommend\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=<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-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"
|
|
" -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. Can\n"
|
|
" be used for example when checking the Linux kernel,\n"
|
|
" where autoconf.h needs to be included for every file\n"
|
|
" compiled. Works the same way as the GCC -include\n"
|
|
" option.\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"
|
|
#ifdef THREADING_MODEL_FORK
|
|
" -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"
|
|
#endif
|
|
" --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-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"
|
|
" --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"
|
|
" --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"
|
|
" --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"
|
|
" * 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"
|
|
" -q, --quiet Do not show progress reports.\n"
|
|
" -rp, --relative-paths\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.\n"
|
|
#ifdef HAVE_RULES
|
|
" --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"
|
|
#endif
|
|
" --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"
|
|
" --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, vs, edit, cppcheck1\n"
|
|
" The default format is 'gcc'.\n"
|
|
" --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"
|
|
" -v, --verbose Output more detailed error information.\n"
|
|
" --version Print out version number.\n"
|
|
" --xml Write results in xml format to error stream (stderr).\n"
|
|
" --xml-version=<version>\n"
|
|
" Select the XML file version. Currently only versions 2 is available."
|
|
"\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"
|
|
" http://cppcheck.net/manual.pdf\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";
|
|
}
|