/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2018 Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "cmdlineparser.h"
#include "check.h"
#include "cppcheckexecutor.h"
#include "filelister.h"
#include "importproject.h"
#include "path.h"
#include "platform.h"
#include "settings.h"
#include "standards.h"
#include "suppressions.h"
#include "threadexecutor.h" // Threading model
#include "timer.h"
#include "utils.h"
#include <algorithm>
#include <cstdio>
#include <cstdlib> // EXIT_FAILURE
#include <cstring>
#include <iostream>
#include <list>
#include <set>
#ifdef HAVE_RULES
// xml is used for rules
#include <tinyxml2.h>
#endif
static void AddFilesToList(const std::string& FileList, std::vector<std::string>& PathNames)
{
// To keep things initially simple, if the file can't be opened, just be silent and move on.
std::istream *Files;
std::ifstream Infile;
if (FileList == "-") { // read from stdin
Files = &std::cin;
} else {
Infile.open(FileList.c_str());
Files = &Infile;
}
if (Files && *Files) {
std::string FileName;
while (std::getline(*Files, FileName)) { // next line
if (!FileName.empty()) {
PathNames.push_back(FileName);
}
}
}
}
static void AddInclPathsToList(const std::string& FileList, std::list<std::string>* PathNames)
{
// To keep things initially simple, if the file can't be opened, just be silent and move on.
std::ifstream Files(FileList.c_str());
if (Files) {
std::string PathName;
while (std::getline(Files, PathName)) { // next line
if (!PathName.empty()) {
PathName = Path::removeQuotationMarks(PathName);
PathName = Path::fromNativeSeparators(PathName);
// If path doesn't end with / or \, add it
if (!endsWith(PathName, '/'))
PathName += '/';
PathNames->push_back(PathName);
}
}
}
}
static void AddPathsToSet(const std::string& FileName, std::set<std::string>* set)
{
std::list<std::string> templist;
AddInclPathsToList(FileName, &templist);
set->insert(templist.begin(), templist.end());
}
CmdLineParser::CmdLineParser(Settings *settings)
: _settings(settings)
, _showHelp(false)
, _showVersion(false)
, _showErrorMessages(false)
, _exitAfterPrint(false)
{
}
void CmdLineParser::PrintMessage(const std::string &message)
{
std::cout << message << std::endl;
}
void CmdLineParser::PrintMessage(const char* message)
{
std::cout << message << std::endl;
}
bool CmdLineParser::ParseFromArgs(int argc, const char* const argv[])
{
bool def = false;
bool maxconfigs = false;
for (int i = 1; i < argc; i++) {
if (argv[i][0] == '-') {
if (std::strcmp(argv[i], "--version") == 0) {
_showVersion = true;
_exitAfterPrint = true;
return true;
}
else if (std::strncmp(argv[i], "--cppcheck-build-dir=", 21) == 0) {
_settings->buildDir = Path::fromNativeSeparators(argv[i] + 21);
if (endsWith(_settings->buildDir, '/'))
_settings->buildDir.erase(_settings->buildDir.size() - 1U);
}
// Flag used for various purposes during debugging
else if (std::strcmp(argv[i], "--debug") == 0)
_settings->debug = _settings->debugwarnings = true;
// Show --debug output after the first simplifications
else if (std::strcmp(argv[i], "--debug-normal") == 0)
_settings->debugnormal = true;
// Show debug warnings
else if (std::strcmp(argv[i], "--debug-warnings") == 0)
_settings->debugwarnings = true;
// dump cppcheck data
else if (std::strcmp(argv[i], "--dump") == 0)
_settings->dump = true;
// (Experimental) exception handling inside cppcheck client
else if (std::strcmp(argv[i], "--exception-handling") == 0)
_settings->exceptionHandling = true;
else if (std::strncmp(argv[i], "--exception-handling=", 21) == 0) {
_settings->exceptionHandling = true;
const std::string exceptionOutfilename = &(argv[i][21]);
CppCheckExecutor::setExceptionOutput((exceptionOutfilename=="stderr") ? stderr : stdout);
}
// Inconclusive checking
else if (std::strcmp(argv[i], "--inconclusive") == 0)
_settings->inconclusive = true;
// 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] == '-') {
PrintMessage("cppcheck: No language given to '-x' option.");
return false;
}
str = argv[i];
}
if (str == "c")
_settings->enforcedLang = Settings::C;
else if (str == "c++")
_settings->enforcedLang = Settings::CPP;
else {
PrintMessage("cppcheck: Unknown language '" + str + "' enforced.");
return false;
}
}
// 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.c_str());
if (!f.is_open()) {
PrintMessage("cppcheck: Couldn't open the file: \"" + filename + "\".");
return false;
}
const std::string errmsg(_settings->nofail.parseFile(f));
if (!errmsg.empty()) {
PrintMessage(errmsg);
return false;
}
}
// Filter errors
else if (std::strncmp(argv[i], "--suppressions-list=", 20) == 0) {
std::string filename = argv[i]+20;
std::ifstream f(filename.c_str());
if (!f.is_open()) {
std::string message("cppcheck: Couldn't open the file: \"");
message += filename;
message += "\".";
if (std::count(filename.begin(), filename.end(), ',') > 0 ||
std::count(filename.begin(), filename.end(), '.') > 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";
}
PrintMessage(message);
return false;
}
const std::string errmsg(_settings->nomsg.parseFile(f));
if (!errmsg.empty()) {
PrintMessage(errmsg);
return false;
}
}
else if (std::strncmp(argv[i], "--suppress=", 11) == 0) {
std::string suppression = argv[i]+11;
const std::string errmsg(_settings->nomsg.addSuppressionLine(suppression));
if (!errmsg.empty()) {
PrintMessage(errmsg);
return false;
}
}
// Enables inline suppressions.
else if (std::strcmp(argv[i], "--inline-suppr") == 0)
_settings->inlineSuppressions = true;
// Verbose error messages (configuration info)
else if (std::strcmp(argv[i], "-v") == 0 || std::strcmp(argv[i], "--verbose") == 0)
_settings->verbose = true;
// Force checking of files that have "too many" configurations
else if (std::strcmp(argv[i], "-f") == 0 || std::strcmp(argv[i], "--force") == 0)
_settings->force = true;
// Output relative paths
else if (std::strcmp(argv[i], "-rp") == 0 || std::strcmp(argv[i], "--relative-paths") == 0)
_settings->relativePaths = true;
else if (std::strncmp(argv[i], "-rp=", 4) == 0 || std::strncmp(argv[i], "--relative-paths=", 17) == 0) {
_settings->relativePaths = true;
if (argv[i][argv[i][3]=='='?4:17] != 0) {
std::string paths = argv[i]+(argv[i][3]=='='?4:17);
for (;;) {
std::string::size_type pos = paths.find(';');
if (pos == std::string::npos) {
_settings->basePaths.push_back(Path::fromNativeSeparators(paths));
break;
} else {
_settings->basePaths.push_back(Path::fromNativeSeparators(paths.substr(0, pos)));
paths.erase(0, pos + 1);
}
}
} else {
PrintMessage("cppcheck: No paths specified for the '" + std::string(argv[i]) + "' option.");
return false;
}
}
// Write results in file
else if (std::strncmp(argv[i], "--output-file=", 14) == 0)
_settings->outputFile = Path::simplifyPath(Path::fromNativeSeparators(argv[i] + 14));
// Write results in results.plist
else if (std::strncmp(argv[i], "--plist-output=", 15) == 0) {
_settings->plistOutput = Path::simplifyPath(Path::fromNativeSeparators(argv[i] + 15));
if (_settings->plistOutput.empty())
_settings->plistOutput = "./";
else if (!endsWith(_settings->plistOutput,'/'))
_settings->plistOutput += '/';
}
// Write results in results.xml
else if (std::strcmp(argv[i], "--xml") == 0)
_settings->xml = true;
// Define the XML file version (and enable XML output)
else if (std::strncmp(argv[i], "--xml-version=", 14) == 0) {
std::string numberString(argv[i]+14);
std::istringstream iss(numberString);
if (!(iss >> _settings->xml_version)) {
PrintMessage("cppcheck: argument to '--xml-version' is not a number.");
return false;
}
if (_settings->xml_version != 2) {
// We only have xml version 2
PrintMessage("cppcheck: '--xml-version' can only be 2.");
return false;
}
// Enable also XML if version is set
_settings->xml = true;
}
// Only print something when there are errors
else if (std::strcmp(argv[i], "-q") == 0 || std::strcmp(argv[i], "--quiet") == 0)
_settings->quiet = true;
// Check configuration
else if (std::strcmp(argv[i], "--check-config") == 0) {
_settings->checkConfiguration = true;
}
// Check library definitions
else if (std::strcmp(argv[i], "--check-library") == 0) {
_settings->checkLibrary = true;
}
else if (std::strncmp(argv[i], "--enable=", 9) == 0) {
const std::string errmsg = _settings->addEnabled(argv[i] + 9);
if (!errmsg.empty()) {
PrintMessage(errmsg);
return false;
}
// when "style" is enabled, also enable "warning", "performance" and "portability"
if (_settings->isEnabled(Settings::STYLE)) {
_settings->addEnabled("warning");
_settings->addEnabled("performance");
_settings->addEnabled("portability");
}
}
// --error-exitcode=1
else if (std::strncmp(argv[i], "--error-exitcode=", 17) == 0) {
std::string temp = argv[i]+17;
std::istringstream iss(temp);
if (!(iss >> _settings->exitCode)) {
_settings->exitCode = 0;
PrintMessage("cppcheck: Argument must be an integer. Try something like '--error-exitcode=1'.");
return false;
}
}
// User define
else if (std::strncmp(argv[i], "-D", 2) == 0) {
std::string define;
// "-D define"
if (std::strcmp(argv[i], "-D") == 0) {
++i;
if (i >= argc || argv[i][0] == '-') {
PrintMessage("cppcheck: argument to '-D' is missing.");
return false;
}
define = argv[i];
}
// "-Ddefine"
else {
define = 2 + argv[i];
}
// No "=", append a "=1"
if (define.find('=') == std::string::npos)
define += "=1";
if (!_settings->userDefines.empty())
_settings->userDefines += ";";
_settings->userDefines += define;
def = true;
}
// User undef
else if (std::strncmp(argv[i], "-U", 2) == 0) {
std::string undef;
// "-U undef"
if (std::strcmp(argv[i], "-U") == 0) {
++i;
if (i >= argc || argv[i][0] == '-') {
PrintMessage("cppcheck: argument to '-U' is missing.");
return false;
}
undef = argv[i];
}
// "-Uundef"
else {
undef = 2 + argv[i];
}
_settings->userUndefs.insert(undef);
}
// -E
else if (std::strcmp(argv[i], "-E") == 0) {
_settings->preprocessOnly = true;
}
// Include paths
else if (std::strncmp(argv[i], "-I", 2) == 0) {
std::string path;
// "-I path/"
if (std::strcmp(argv[i], "-I") == 0) {
++i;
if (i >= argc || argv[i][0] == '-') {
PrintMessage("cppcheck: argument to '-I' is missing.");
return false;
}
path = argv[i];
}
// "-Ipath/"
else {
path = 2 + argv[i];
}
path = Path::removeQuotationMarks(path);
path = Path::fromNativeSeparators(path);
// If path doesn't end with / or \, add it
if (!endsWith(path,'/'))
path += '/';
_settings->includePaths.push_back(path);
} else if (std::strncmp(argv[i], "--include=", 10) == 0) {
std::string path = argv[i] + 10;
path = Path::fromNativeSeparators(path);
_settings->userIncludes.push_back(path);
} else if (std::strncmp(argv[i], "--includes-file=", 16) == 0) {
// open this file and read every input file (1 file name per line)
AddInclPathsToList(16 + argv[i], &_settings->includePaths);
} else if (std::strncmp(argv[i], "--config-exclude=",17) ==0) {
std::string path = argv[i] + 17;
path = Path::fromNativeSeparators(path);
_settings->configExcludePaths.insert(path);
} else if (std::strncmp(argv[i], "--config-excludes-file=", 23) == 0) {
// open this file and read every input file (1 file name per line)
AddPathsToSet(23 + argv[i], &_settings->configExcludePaths);
}
// 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], _pathnames);
}
// 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 += '/';
}
_ignoredPaths.push_back(path);
}
}
// --library
else if (std::strncmp(argv[i], "--library=", 10) == 0) {
if (!CppCheckExecutor::tryLoadLibrary(_settings->library, argv[0], argv[i]+10))
return false;
}
// --project
else if (std::strncmp(argv[i], "--project=", 10) == 0) {
_settings->project.import(argv[i]+10);
if (std::strstr(argv[i], ".sln") || std::strstr(argv[i], ".vcxproj")) {
if (!CppCheckExecutor::tryLoadLibrary(_settings->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;
}
}
}
// Report progress
else if (std::strcmp(argv[i], "--report-progress") == 0) {
_settings->reportProgress = true;
}
// --std
else if (std::strcmp(argv[i], "--std=posix") == 0) {
_settings->standards.posix = true;
} else if (std::strcmp(argv[i], "--std=c89") == 0) {
_settings->standards.c = Standards::C89;
} else if (std::strcmp(argv[i], "--std=c99") == 0) {
_settings->standards.c = Standards::C99;
} else if (std::strcmp(argv[i], "--std=c11") == 0) {
_settings->standards.c = Standards::C11;
} else if (std::strcmp(argv[i], "--std=c++03") == 0) {
_settings->standards.cpp = Standards::CPP03;
} else if (std::strcmp(argv[i], "--std=c++11") == 0) {
_settings->standards.cpp = Standards::CPP11;
} else if (std::strcmp(argv[i], "--std=c++14") == 0) {
_settings->standards.cpp = Standards::CPP14;
}
// Output formatter
else if (std::strcmp(argv[i], "--template") == 0 ||
std::strncmp(argv[i], "--template=", 11) == 0) {
// "--template path/"
if (argv[i][10] == '=')
_settings->outputFormat = argv[i] + 11;
else if ((i+1) < argc && argv[i+1][0] != '-') {
++i;
_settings->outputFormat = argv[i];
} else {
PrintMessage("cppcheck: argument to '--template' is missing.");
return false;
}
if (_settings->outputFormat == "gcc")
_settings->outputFormat = "{file}:{line}: {severity}: {message}";
else if (_settings->outputFormat == "vs")
_settings->outputFormat = "{file}({line}): {severity}: {message}";
else if (_settings->outputFormat == "edit")
_settings->outputFormat = "{file} +{line}: {severity}: {message}";
}
// 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 >> _settings->jobs)) {
PrintMessage("cppcheck: argument to '-j' is not a number.");
return false;
}
if (_settings->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 >> _settings->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) {
_showErrorMessages = true;
_settings->xml = true;
_exitAfterPrint = true;
}
// documentation..
else if (std::strcmp(argv[i], "--doc") == 0) {
std::ostringstream doc;
// Get documentation..
for (std::list<Check *>::iterator it = Check::instances().begin(); it != Check::instances().end(); ++it) {
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();
_exitAfterPrint = 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")
_settings->showtime = SHOWTIME_FILE;
else if (showtimeMode == "summary")
_settings->showtime = SHOWTIME_SUMMARY;
else if (showtimeMode == "top5")
_settings->showtime = SHOWTIME_TOP5;
else if (showtimeMode.empty())
_settings->showtime = 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];
_settings->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())
_settings->rules.push_back(rule);
}
}
}
#endif
// Specify platform
else if (std::strncmp(argv[i], "--platform=", 11) == 0) {
std::string platform(11+argv[i]);
if (platform == "win32A")
_settings->platform(Settings::Win32A);
else if (platform == "win32W")
_settings->platform(Settings::Win32W);
else if (platform == "win64")
_settings->platform(Settings::Win64);
else if (platform == "unix32")
_settings->platform(Settings::Unix32);
else if (platform == "unix64")
_settings->platform(Settings::Unix64);
else if (platform == "native")
_settings->platform(Settings::Native);
else if (platform == "unspecified")
_settings->platform(Settings::Unspecified);
else if (!_settings->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) {
_settings->force = false;
std::istringstream iss(14+argv[i]);
if (!(iss >> _settings->maxConfigs)) {
PrintMessage("cppcheck: argument to '--max-configs=' is not a number.");
return false;
}
if (_settings->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) {
_pathnames.clear();
_showHelp = true;
_exitAfterPrint = 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);
_pathnames.push_back(path);
}
}
_settings->project.ignorePaths(_ignoredPaths);
if (_settings->force)
_settings->maxConfigs = ~0U;
else if ((def || _settings->preprocessOnly) && !maxconfigs)
_settings->maxConfigs = 1U;
if (_settings->isEnabled(Settings::UNUSED_FUNCTION) && _settings->jobs > 1) {
PrintMessage("cppcheck: unusedFunction check can't be used with '-j' option. Disabling unusedFunction check.");
}
if (argc <= 1) {
_showHelp = true;
_exitAfterPrint = true;
}
if (_showHelp) {
PrintHelp();
return true;
}
// Print error only if we have "real" command and expect files
if (!_exitAfterPrint && _pathnames.empty() && _settings->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 (_settings->basePaths.empty() && _settings->relativePaths)
_settings->basePaths = _pathnames;
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"
" --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"
" --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"
" --doc Print a list of all available checks.\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"
" --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), or compile database\n"
" (compile_commands.json). 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"
" * posix\n"
" POSIX compatible code\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 (default)\n"
" More than one --std can be used:\n"
" 'cppcheck --std=c99 --std=posix file.c'\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. E.g.\n"
" '{file}:{line},{severity},{id},{message}' or\n"
" '{file}({line}):({severity}) {message}' or\n"
" '{callstack} {message}'\n"
" Pre-defined templates: gcc, vs, edit.\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 --std=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";
}