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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2015 Daniel Marjamäki and Cppcheck team.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#include "cmdlineparser.h"
#include "cppcheck.h"
#include "cppcheckexecutor.h"
#include "filelister.h"
#include "path.h"
#include "settings.h"
#include "timer.h"
#include "check.h"
#include
#include
#include
#include
#include
#include
#include // EXIT_FAILURE
#ifdef HAVE_RULES
// xml is used in rules
#include
#endif
static void AddFilesToList(const std::string& FileList, std::vector& PathNames)
{
// 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);
}
}
}
}
static void AddInclPathsToList(const std::string& FileList, std::list* 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::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);
}
}
}
}
static void AddPathsToSet(const std::string& FileName, std::set* set)
{
std::list 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 debugwarnings = true;
// Show debug warnings
else if (std::strcmp(argv[i], "--debug-warnings") == 0)
_settings->debugwarnings = true;
// Print out code that triggers false positive
else if (std::strcmp(argv[i], "--debug-fp") == 0)
_settings->debugFalsePositive = 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);
}
// Inconclusive checking (still in testing phase)
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", 23) == 0) {
std::string filename;
// exitcode-suppressions filename.txt
// Deprecated
if (std::strcmp(argv[i], "--exitcode-suppressions") == 0) {
++i;
if (i >= argc || std::strncmp(argv[i], "-", 1) == 0 ||
std::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 (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;
}
}
// Filter errors
// This is deprecated, see --suppressions-list above
else if (std::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 (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 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 < 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 (std::strcmp(argv[i], "-q") == 0 || std::strcmp(argv[i], "--quiet") == 0)
_settings->_errorsOnly = true;
// Append userdefined code to checked source code
else if (std::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;
}
}
// 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("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);
}
// 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::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 (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::fromNativeSeparators(path);
path = Path::simplifyPath(path);
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);
}
}
// --library
else if (std::strncmp(argv[i], "--library=", 10) == 0) {
if (!CppCheckExecutor::tryLoadLibrary(_settings->library, argv[0], argv[i]+10))
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;
}
// 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::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 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->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 {
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 if (std::strncmp(argv[i], "-", 1) == 0 || std::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);
}
}
if (def && !_settings->_force && !maxconfigs)
_settings->_maxConfigs = 1U;
if (_settings->_force)
_settings->_maxConfigs = ~0U;
if (_settings->isEnabled("unusedFunction") && _settings->_jobs > 1) {
PrintMessage("cppcheck: unusedFunction check can't be used with '-j' option. Disabling unusedFunction check.");
}
if (_settings->inconclusive && _settings->_xml && _settings->_xml_version == 1U) {
PrintMessage("cppcheck: inconclusive messages will not be shown, because the old xml format is not compatible. It's recommended to use the new xml format (use --xml-version=2).");
}
if (argc _basePaths.empty() && _settings->_relativePaths)
_settings->_basePaths = _pathnames;
return true;
}
void CmdLineParser::PrintHelp()
{
std::cout