{

// to keep things initially simple, if the file can't be opened, just be

// silent and move on

// ideas : we could also require this should be an xml file, with the filenames

// specified in an xml structure

// we could elaborate this then, to also include the I-paths, ...

// basically for everything that makes the command line very long

// xml is a bonus then, since we can easily extend it

// we need a good parser then -> suggestion : TinyXml

// drawback : creates a dependency

std::istream *Files;

std::ifstream Infile;

if (FileList.compare("-") == 0) { // read from stdin

Files = &std::cin;

} else {

Infile.open(FileList.c_str());

Files = &Infile;

}

if (Files) {

std::string FileName;

while (std::getline(*Files, FileName)) { // next line

if (!FileName.empty()) {

PathNames.push_back(FileName);

}

}

}

{

// 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::fromNativeSeparators(PathName);

PathName = Path::removeQuotationMarks(PathName);

// If path doesn't end with / or \, add it

if (PathName[PathName.length()-1] != '/')

PathName += '/';

PathNames.push_back(PathName);

}

}

}

: _settings(settings)

, _showHelp(false)

, _showVersion(false)

, _showErrorMessages(false)

, _exitAfterPrint(false)

{

{

for (int i = 1; i < argc; i++) {

if (strcmp(argv[i], "--version") == 0) {

_showVersion = true;

_exitAfterPrint = true;

return true;

}

// Flag used for various purposes during debugging

else if (strcmp(argv[i], "--debug") == 0)

_settings->debug = _settings->debugwarnings = true;

// Show debug warnings

else if (strcmp(argv[i], "--debug-warnings") == 0)

_settings->debugwarnings = true;

// Print out code that triggers false positive

else if (strcmp(argv[i], "--debug-fp") == 0)

_settings->debugFalsePositive = true;

// Inconclusive checking (still in testing phase)

else if (strcmp(argv[i], "--inconclusive") == 0)

_settings->inconclusive = true;

// Filter errors

else if (strncmp(argv[i], "--exitcode-suppressions", 23) == 0) {

std::string filename;

// exitcode-suppressions filename.txt

// Deprecated

if (strcmp(argv[i], "--exitcode-suppressions") == 0) {

++i;

if (i >= argc || strncmp(argv[i], "-", 1) == 0 ||

strncmp(argv[i], "--", 2) == 0) {

PrintMessage("cppcheck: No filename specified for the '--exitcode-suppressions' option.");

return false;

}

filename = argv[i];

}

// exitcode-suppressions=filename.txt

else {

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 (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 (count(filename.begin(), filename.end(), ',') > 0 ||

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;

}

}

// Filter errors

// This is deprecated, see --supressions-list above

else if (strcmp(argv[i], "--suppressions") == 0) {

++i;

if (i >= argc) {

PrintMessage("cppcheck: No file specified for the '--suppressions' option.");

return false;

}

std::ifstream f(argv[i]);

if (!f.is_open()) {

std::string message("cppcheck: Couldn't open the file: \"");

message += std::string(argv[i]);

message += "\".";

PrintMessage(message);

return false;

}

const std::string errmsg(_settings->nomsg.parseFile(f));

if (!errmsg.empty()) {

PrintMessage(errmsg);

return false;

}

}

else if (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 (strcmp(argv[i], "--inline-suppr") == 0)

_settings->_inlineSuppressions = true;

// Verbose error messages (configuration info)

else if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--verbose") == 0)

_settings->_verbose = true;

// Force checking of files that have "too many" configurations

else if (strcmp(argv[i], "-f") == 0 || strcmp(argv[i], "--force") == 0)

_settings->_force = true;

// Output relative paths

else if (strcmp(argv[i], "-rp") == 0 || strcmp(argv[i], "--relative-paths") == 0)

_settings->_relativePaths = true;

else if (strncmp(argv[i], "-rp=", 4) == 0 || 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);

std::string::size_type pos;

do {

pos = paths.find(';');

_settings->_basePaths.push_back(Path::fromNativeSeparators(paths.substr(0, pos)));

paths.erase(0, pos+1);

} while (pos != std::string::npos);

} else {

PrintMessage("cppcheck: No paths specified for the '" + std::string(argv[i]) + "' option.");

return false;

}

}

// Write results in results.xml

else if (strcmp(argv[i], "--xml") == 0)

_settings->_xml = true;

// Define the XML file version (and enable XML output)

else if (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 < 0 || _settings->_xml_version > 2) {

// We only have xml versions 1 and 2

PrintMessage("cppcheck: '--xml-version' can only be 1 or 2.");

return false;

}

// Enable also XML if version is set

_settings->_xml = true;

}

// Only print something when there are errors

else if (strcmp(argv[i], "-q") == 0 || strcmp(argv[i], "--quiet") == 0)

_settings->_errorsOnly = true;

// Append userdefined code to checked source code

else if (strncmp(argv[i], "--append=", 9) == 0) {

const std::string filename = 9 + argv[i];

if (!_settings->append(filename)) {

PrintMessage("cppcheck: Couldn't open the file: \"" + filename + "\".");

return false;

}

}

else if (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 "performance" and "portability"

if (_settings->isEnabled("style")) {

_settings->addEnabled("performance");

_settings->addEnabled("portability");

}

}

// --error-exitcode=1

else if (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 (strncmp(argv[i], "-D", 2) == 0) {

std::string define;

// "-D define"

if (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;

}

// User undef

else if (strncmp(argv[i], "-U", 2) == 0) {

std::string undef;

// "-U undef"

if (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);

}

// Include paths

else if (strncmp(argv[i], "-I", 2) == 0) {

std::string path;

// "-I path/"

if (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::fromNativeSeparators(path);

path = Path::removeQuotationMarks(path);

// If path doesn't end with / or \, add it

if (path[path.length()-1] != '/')

path += '/';

_settings->_includePaths.push_back(path);

} else if (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);

}

// file list specified

else if (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 (strncmp(argv[i], "-i", 2) == 0) {

std::string path;

// "-i path/"

if (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::fromNativeSeparators(path);

path = Path::simplifyPath(path.c_str());

path = Path::removeQuotationMarks(path);

if (FileLister::isDirectory(path)) {

// If directory name doesn't end with / or \, add it

if (path[path.length()-1] != '/')

path += '/';

}

_ignoredPaths.push_back(path);

}

}

// Report progress

else if (strcmp(argv[i], "--report-progress") == 0) {

_settings->reportProgress = true;

}

// --std

else if (strcmp(argv[i], "--std=posix") == 0) {

_settings->standards.posix = true;

}

// --C99

else if (strcmp(argv[i], "--std=c99") == 0) {

_settings->standards.c99 = true;

}

else if (strcmp(argv[i], "--std=c++11") == 0) {

_settings->standards.cpp11 = true;

}

// Output formatter

else if (strcmp(argv[i], "--template") == 0 ||

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 (strncmp(argv[i], "-j", 2) == 0) {

std::string numberString;

// "-j 3"

if (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;

}

}

// print all possible error messages..

else if (strcmp(argv[i], "--errorlist") == 0) {

_showErrorMessages = true;

_settings->_xml = true;

_exitAfterPrint = true;

}

// documentation..

else if (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\n";

}

std::string doc2(doc.str());

while (doc2.find("\n\n\n") != std::string::npos)

doc2.erase(doc2.find("\n\n\n"), 1);

std::cout << doc2;

_exitAfterPrint = true;

return true;

}

// show timing information..

else if (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

_settings->_showtime = SHOWTIME_NONE;

}

#ifdef HAVE_RULES

// Rule given at command line

else if (strncmp(argv[i], "--rule=", 7) == 0) {

Settings::Rule rule;

rule.pattern = 7 + argv[i];

_settings->rules.push_back(rule);

}

// Rule file

else if (strncmp(argv[i], "--rule-file=", 12) == 0) {

TiXmlDocument doc;

if (doc.LoadFile(12+argv[i])) {

TiXmlElement *node = doc.FirstChildElement();

for (; node && node->ValueStr() == "rule"; node = node->NextSiblingElement()) {

Settings::Rule rule;

TiXmlElement *pattern = node->FirstChildElement("pattern");

if (pattern) {

rule.pattern = pattern->GetText();

}

TiXmlElement *message = node->FirstChildElement("message");

if (message) {

TiXmlElement *severity = message->FirstChildElement("severity");

if (severity)

rule.severity = severity->GetText();

TiXmlElement *id = message->FirstChildElement("id");

if (id)

rule.id = id->GetText();

TiXmlElement *summary = message->FirstChildElement("summary");

if (summary)

rule.summary = summary->GetText();

}

if (!rule.pattern.empty())

_settings->rules.push_back(rule);

}

}

}

#endif

// Check configuration

else if (strcmp(argv[i], "--check-config") == 0) {

_settings->checkConfiguration = true;

}

// Specify platform

else if (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 {

std::string message("cppcheck: error: unrecognized platform: \"");

message += platform;

message += "\".";

PrintMessage(message);

return false;

}

}

// Set maximum number of #ifdef configurations to check

else if (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;

}

}

// Print help

else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) {

_pathnames.clear();

_showHelp = true;

_exitAfterPrint = true;

break;

}

else if (strncmp(argv[i], "-", 1) == 0 || strncmp(argv[i], "--", 2) == 0) {

std::string message("cppcheck: error: unrecognized command line option: \"");

message += argv[i];

message += "\".";

PrintMessage(message);

return false;

}

else {

std::string path = Path::fromNativeSeparators(argv[i]);

path = Path::removeQuotationMarks(path);

_pathnames.push_back(path);

}

{

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"

" --append=<file> This allows you to provide information about functions\n"

" by providing an implementation for them.\n"

" --check-config Check cppcheck configuration. The normal code\n"

" analysis is disabled by this flag.\n"

" -D<ID> By default Cppcheck checks all configurations. Use -D\n"

" to limit the checking to a particular configuration.\n"

" Example: '-DDEBUG=1 -D__cplusplus'.\n"

" -U<ID> By default Cppcheck checks all configurations. Use -U\n"

" to explicitly hide certain #ifdef <ID> code paths from\n"

" checking.\n"

" Example: '-UDEBUG'\n"

" --enable=<id> Enable additional checks. The available ids are:\n"

" * all\n"

" Enable all checks\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\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"

" -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"

" --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"

" --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> Specifies platform specific types and sizes. The\n"

" available 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"

" -q, --quiet Only print error messages.\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"

" https://sourceforge.net/projects/cppcheck/files/Articles/\n"

#endif

" --std=<id> Enable some standard related checks.\n"

" The available options are:\n"

" * posix\n"

" Checks related to POSIX-specific functionality\n"

" * c99\n"

" C99 standard related checks\n"

" * c++11\n"

" C++11 standard related checks\n"

" Example to enable more than one checks:\n"

" 'cppcheck --std=c99 --std=posix file.cpp'\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}'\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 versions 1 and\n"

" 2 are available. The default version is 1."

"\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"

" # Recursively check ../myproject/ and don't print progress:\n"

" cppcheck --quiet ../myproject/\n"

" # Check only files one.cpp and two.cpp and give all information there is:\n"

" cppcheck -v -s one.cpp two.cpp\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.sf.net/manual.pdf\n";