/*

* Cppcheck - A tool for static C/C++ code analysis

* Copyright (C) 2007-2023 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 "config.h"

#include "cppcheckexecutor.h"

#include "errorlogger.h"

#include "errortypes.h"

#include "filelister.h"

#include "importproject.h"

#include "path.h"

#include "platform.h"

#include "settings.h"

#include "standards.h"

#include "suppressions.h"

#include "timer.h"

#include "utils.h"

#include <algorithm>

#include <climits>

#include <cstdio>

#include <cstdlib> // EXIT_FAILURE

#include <cstring>

#include <fstream> // IWYU pragma: keep

#include <iostream>

#include <iterator>

#include <list>

#include <set>

#include <sstream> // IWYU pragma: keep

#include <unordered_set>

#include <utility>

#ifdef HAVE_RULES

// xml is used for rules

#include <tinyxml2.h>

#endif

static bool addFilesToList(const std::string& fileList, std::vector<std::string>& pathNames)

{

std::istream *files;

std::ifstream infile;

if (fileList == "-") { // read from stdin

files = &std::cin;

} else {

infile.open(fileList);

if (!infile.is_open())

return false;

files = &infile;

}

if (files && *files) {

std::string fileName;

// cppcheck-suppress accessMoved - FP

while (std::getline(*files, fileName)) { // next line

// cppcheck-suppress accessMoved - FP

if (!fileName.empty()) {

pathNames.emplace_back(std::move(fileName));

}

}

}

return true;

}

static bool addIncludePathsToList(const std::string& fileList, std::list<std::string>& pathNames)

{

std::ifstream files(fileList);

if (files) {

std::string pathName;

// cppcheck-suppress accessMoved - FP

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.emplace_back(std::move(pathName));

}

}

return true;

}

return false;

}

static bool addPathsToSet(const std::string& fileName, std::set<std::string>& set)

{

std::list<std::string> templist;

if (!addIncludePathsToList(fileName, templist))

return false;

set.insert(templist.cbegin(), templist.cend());

return true;

}

CmdLineParser::CmdLineParser(Settings &settings, Suppressions &suppressions, Suppressions &suppressionsNoFail)

: mSettings(settings)

, mSuppressions(suppressions)

, mSuppressionsNoFail(suppressionsNoFail)

, mShowHelp(false)

, mShowVersion(false)

, mShowErrorMessages(false)

, mExitAfterPrint(false)

{}

void CmdLineParser::printMessage(const std::string &message)

{

std::cout << "cppcheck: " << message << std::endl;

}

void CmdLineParser::printError(const std::string &message)

{

printMessage("error: " + message);

}

#if defined(_WIN64) || defined(_WIN32)

bool CmdLineParser::SHOW_DEF_PLATFORM_MSG = true;

#endif

// TODO: normalize/simplify/native all path parameters

// TODO: error out on all missing given files/paths

bool CmdLineParser::parseFromArgs(int argc, const char* const argv[])

{

#if defined(_WIN64) || defined(_WIN32)

bool default_platform = true;

#endif

bool def = false;

bool maxconfigs = false;

mSettings.exename = Path::getCurrentExecutablePath(argv[0]);

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

if (argv[i][0] == '-') {

// User define

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] == '-') {

printError("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 (!mSettings.userDefines.empty())

mSettings.userDefines += ";";

mSettings.userDefines += define;

def = true;

}

// -E

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

mSettings.preprocessOnly = true;

mSettings.quiet = 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] == '-') {

printError("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 += '/';

mSettings.includePaths.emplace_back(std::move(path));

}

// 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] == '-') {

printError("argument to '-U' is missing.");

return false;

}

undef = argv[i];

}

// "-Uundef"

else {

undef = 2 + argv[i];

}

mSettings.userUndefs.insert(std::move(undef));

}

else if (std::strncmp(argv[i], "--addon=", 8) == 0)

mSettings.addons.emplace(argv[i]+8);

else if (std::strncmp(argv[i],"--addon-python=", 15) == 0)

mSettings.addonPython.assign(argv[i]+15);

// Check configuration

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

mSettings.checkConfiguration = true;

// Check code exhaustively

else if (std::strcmp(argv[i], "--check-level=exhaustive") == 0)

mSettings.setCheckLevelExhaustive();

// Check code with normal analysis

else if (std::strcmp(argv[i], "--check-level=normal") == 0)

mSettings.setCheckLevelNormal();

// Check library definitions

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

mSettings.checkLibrary = true;

}

else if (std::strncmp(argv[i], "--checks-max-time=", 18) == 0) {

if (!parseNumberArg(argv[i], 18, mSettings.checksMaxTime, true))

return false;

}

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

mSettings.clang = true;

}

else if (std::strncmp(argv[i], "--clang=", 8) == 0) {

mSettings.clang = true;

mSettings.clangExecutable = argv[i] + 8;

}

else if (std::strncmp(argv[i], "--config-exclude=",17) ==0) {

mSettings.configExcludePaths.insert(Path::fromNativeSeparators(argv[i] + 17));

}

else if (std::strncmp(argv[i], "--config-excludes-file=", 23) == 0) {

// open this file and read every input file (1 file name per line)

const std::string cfgExcludesFile(23 + argv[i]);

if (!addPathsToSet(cfgExcludesFile, mSettings.configExcludePaths)) {

printError("unable to open config excludes file at '" + cfgExcludesFile + "'");

return false;

}

}

else if (std::strncmp(argv[i], "--cppcheck-build-dir=", 21) == 0) {

mSettings.buildDir = Path::fromNativeSeparators(argv[i] + 21);

if (endsWith(mSettings.buildDir, '/'))

mSettings.buildDir.pop_back();

if (!Path::directoryExists(mSettings.buildDir)) {

printError("Directory '" + mSettings.buildDir + "' specified by --cppcheck-build-dir argument has to be existent.");

return false;

}

}

// Show --debug output after the first simplifications

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

std::strcmp(argv[i], "--debug-normal") == 0)

mSettings.debugnormal = true;

// Flag used for various purposes during debugging

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

mSettings.debugSimplified = true;

// Show template information

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

mSettings.debugtemplate = true;

// Show debug warnings

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

mSettings.debugwarnings = true;

else if (std::strncmp(argv[i], "--disable=", 10) == 0) {

const std::string errmsg = mSettings.removeEnabled(argv[i] + 10);

if (!errmsg.empty()) {

printError(errmsg);

return false;

}

}

// 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;

}

// dump cppcheck data

else if (std::strcmp(argv[i], "--dump") == 0)

mSettings.dump = true;

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

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

const std::string errmsg = mSettings.addEnabled(enable_arg);

if (!errmsg.empty()) {

printError(errmsg);

return false;

}

// when "style" is enabled, also enable "warning", "performance" and "portability"

if (enable_arg.find("style") != std::string::npos) {

mSettings.addEnabled("warning");

mSettings.addEnabled("performance");

mSettings.addEnabled("portability");

}

if (enable_arg.find("information") != std::string::npos) {

mSettings.addEnabled("missingInclude");

printMessage("'--enable=information' will no longer implicitly enable 'missingInclude' starting with 2.16. Please enable it explicitly if you require it.");

}

}

// print all possible error messages..

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

mShowErrorMessages = true;

mSettings.xml = true;

mExitAfterPrint = true;

}

// --error-exitcode=1

else if (std::strncmp(argv[i], "--error-exitcode=", 17) == 0) {

if (!parseNumberArg(argv[i], 17, mSettings.exitCode))

return false;

}

// Exception handling inside cppcheck client

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

mSettings.exceptionHandling = true;

}

// Exception handling inside cppcheck client

else if (std::strncmp(argv[i], "--exception-handling=", 21) == 0) {

const std::string exceptionOutfilename = argv[i] + 21;

if (exceptionOutfilename != "stderr" && exceptionOutfilename != "stdout") {

printError("invalid '--exception-handling' argument");

return false;

}

mSettings.exceptionHandling = true;

CppCheckExecutor::setExceptionOutput((exceptionOutfilename == "stderr") ? stderr : stdout);

}

// Filter errors

else if (std::strncmp(argv[i], "--exitcode-suppressions=", 24) == 0) {

// exitcode-suppressions=filename.txt

std::string filename = 24 + argv[i];

std::ifstream f(filename);

if (!f.is_open()) {

printError("couldn't open the file: \"" + filename + "\".");

return false;

}

const std::string errmsg(mSuppressionsNoFail.parseFile(f));

if (!errmsg.empty()) {

printError(errmsg);

return false;

}

}

// use a file filter

else if (std::strncmp(argv[i], "--file-filter=", 14) == 0)

mSettings.fileFilters.emplace_back(argv[i] + 14);

// file list specified

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

// open this file and read every input file (1 file name per line)

const std::string fileList = argv[i] + 12;

if (!addFilesToList(fileList, mPathNames)) {

printError("couldn't open the file: \"" + fileList + "\".");

return false;

}

}

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

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

mSettings.force = true;

// Print help

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

mPathNames.clear();

mShowHelp = true;

mExitAfterPrint = true;

break;

}

// 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] == '-') {

printError("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.emplace_back(std::move(path));

}

}

else if (std::strncmp(argv[i], "--include=", 10) == 0) {

mSettings.userIncludes.emplace_back(Path::fromNativeSeparators(argv[i] + 10));

}

else if (std::strncmp(argv[i], "--includes-file=", 16) == 0) {

// open this file and read every input file (1 file name per line)

const std::string includesFile(16 + argv[i]);

if (!addIncludePathsToList(includesFile, mSettings.includePaths)) {

printError("unable to open includes file at '" + includesFile + "'");

return false;

}

}

// Inconclusive checking

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

mSettings.certainty.enable(Certainty::inconclusive);

// Enables inline suppressions.

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

mSettings.inlineSuppressions = true;

// Checking threads

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

std::string numberString;

// "-j 3"

if (std::strcmp(argv[i], "-j") == 0) {

++i;

if (i >= argc || argv[i][0] == '-') {

printError("argument to '-j' is missing.");

return false;

}

numberString = argv[i];

}

// "-j3"

else

numberString = argv[i]+2;

unsigned int tmp;

std::string err;

if (!strToInt(numberString, tmp, &err)) {

printError("argument to '-j' is not valid - " + err + ".");

return false;

}

if (tmp > 10000) {

// This limit is here just to catch typos. If someone has

// need for more jobs, this value should be increased.

printError("argument for '-j' is allowed to be 10000 at max.");

return false;

}

mSettings.jobs = tmp;

}

#ifdef THREADING_MODEL_FORK

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] == '-') {

printError("argument to '-l' is missing.");

return false;

}

numberString = argv[i];

}

// "-l3"

else

numberString = argv[i]+2;

int tmp;

std::string err;

if (!strToInt(numberString, tmp, &err)) {

printError("argument to '-l' is not valid - " + err + ".");

return false;

}

mSettings.loadAverage = tmp;

}

#endif

// Enforce language (--language=, -x)

else if (std::strncmp(argv[i], "--language=", 11) == 0 || std::strcmp(argv[i], "-x") == 0) {

std::string str;

if (argv[i][2]) {

str = argv[i]+11;

} else {

i++;

if (i >= argc || argv[i][0] == '-') {

printError("no language given to '-x' option.");

return false;

}

str = argv[i];

}

if (str == "c")

mSettings.enforcedLang = Settings::Language::C;

else if (str == "c++")

mSettings.enforcedLang = Settings::Language::CPP;

else {

printError("unknown language '" + str + "' enforced.");

return false;

}

}

// --library

else if (std::strncmp(argv[i], "--library=", 10) == 0) {

mSettings.libraries.emplace_back(argv[i] + 10);

}

// Set maximum number of #ifdef configurations to check

else if (std::strncmp(argv[i], "--max-configs=", 14) == 0) {

int tmp;

if (!parseNumberArg(argv[i], 14, tmp))

return false;

if (tmp < 1) {

printError("argument to '--max-configs=' must be greater than 0.");

return false;

}

mSettings.maxConfigs = tmp;

mSettings.force = false;

maxconfigs = true;

}

// max ctu depth

else if (std::strncmp(argv[i], "--max-ctu-depth=", 16) == 0) {

if (!parseNumberArg(argv[i], 16, mSettings.maxCtuDepth))

return false;

}

// Write results in file

else if (std::strncmp(argv[i], "--output-file=", 14) == 0)

mSettings.outputFile = Path::simplifyPath(Path::fromNativeSeparators(argv[i] + 14));

// Experimental: limit execution time for extended valueflow analysis. basic valueflow analysis

// is always executed.

else if (std::strncmp(argv[i], "--performance-valueflow-max-time=", 33) == 0) {

if (!parseNumberArg(argv[i], 33, mSettings.performanceValueFlowMaxTime, true))

return false;

}

else if (std::strncmp(argv[i], "--performance-valueflow-max-if-count=", 37) == 0) {

if (!parseNumberArg(argv[i], 37, mSettings.performanceValueFlowMaxIfCount, true))

return false;

}

// Specify platform

else if (std::strncmp(argv[i], "--platform=", 11) == 0) {

const std::string platform(11+argv[i]);

std::string errstr;

const std::vector<std::string> paths = {argv[0]};

if (!mSettings.platform.set(platform, errstr, paths)) {

printError(errstr);

return false;

}

#if defined(_WIN64) || defined(_WIN32)

default_platform = false;

#endif

// TODO: remove

// these are loaded via external files and thus have Settings::PlatformFile set instead.

// override the type so they behave like the regular platforms.

if (platform == "unix32-unsigned")

mSettings.platform.type = cppcheck::Platform::Type::Unix32;

else if (platform == "unix64-unsigned")

mSettings.platform.type = cppcheck::Platform::Type::Unix64;

}

// Write results in results.plist

else if (std::strncmp(argv[i], "--plist-output=", 15) == 0) {

mSettings.plistOutput = Path::simplifyPath(Path::fromNativeSeparators(argv[i] + 15));

if (mSettings.plistOutput.empty())

mSettings.plistOutput = "./";

else if (!endsWith(mSettings.plistOutput,'/'))

mSettings.plistOutput += '/';

const std::string plistOutput = Path::toNativeSeparators(mSettings.plistOutput);

if (!FileLister::isDirectory(plistOutput)) {

std::string message("plist folder does not exist: \"");

message += plistOutput;

message += "\".";

printError(message);

return false;

}

}

// Special Cppcheck Premium options

else if (std::strncmp(argv[i], "--premium=", 10) == 0 && isCppcheckPremium()) {

if (!mSettings.premiumArgs.empty())

mSettings.premiumArgs += " ";

const std::string p(argv[i] + 10);

mSettings.premiumArgs += "--" + p;

if (p == "misra-c-2012")

mSettings.addons.emplace("misra");

}

// --project

else if (std::strncmp(argv[i], "--project=", 10) == 0) {

mSettings.checkAllConfigurations = false; // Can be overridden with --max-configs or --force

std::string projectFile = argv[i]+10;

ImportProject::Type projType = mSettings.project.import(projectFile, &mSettings);

mSettings.project.projectType = projType;

if (projType == ImportProject::Type::CPPCHECK_GUI) {

mPathNames = mSettings.project.guiProject.pathNames;

for (const std::string &lib : mSettings.project.guiProject.libraries)

mSettings.libraries.emplace_back(lib);

const auto& excludedPaths = mSettings.project.guiProject.excludedPaths;

std::copy(excludedPaths.cbegin(), excludedPaths.cend(), std::back_inserter(mIgnoredPaths));

std::string platform(mSettings.project.guiProject.platform);

// keep existing platform from command-line intact

if (!platform.empty()) {

if (platform == "Unspecified") {

printMessage("'Unspecified' is a deprecated platform type and will be removed in Cppcheck 2.14. Please use 'unspecified' instead.");

platform = "unspecified";

}

std::string errstr;

const std::vector<std::string> paths = {projectFile, argv[0]};

if (!mSettings.platform.set(platform, errstr, paths)) {

printError(errstr);

return false;

}

}

if (!mSettings.project.guiProject.projectFile.empty()) {

projectFile = mSettings.project.guiProject.projectFile;

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.platform.type);

if (!CppCheckExecutor::tryLoadLibrary(mSettings.library, argv[0], "windows.cfg")) {

// This shouldn't happen normally.

printError("failed to load 'windows.cfg'. Your Cppcheck installation is broken. Please re-install.");

return false;

}

}

if (projType == ImportProject::Type::MISSING) {

printError("failed to open project '" + projectFile + "'. The file does not exist.");

return false;

}

if (projType == ImportProject::Type::UNKNOWN) {

printError("failed to load project '" + projectFile + "'. The format is unknown.");

return false;

}

if (projType == ImportProject::Type::FAILURE) {

printError("failed to load project '" + projectFile + "'. An error occurred.");

return false;

}

}

// --project-configuration

else if (std::strncmp(argv[i], "--project-configuration=", 24) == 0) {

mVSConfig = argv[i] + 24;

if (!mVSConfig.empty() && (mSettings.project.projectType == ImportProject::Type::VS_SLN || mSettings.project.projectType == ImportProject::Type::VS_VCXPROJ))

mSettings.project.ignoreOtherConfigs(mVSConfig);

}

// Only print something when there are errors

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

mSettings.quiet = true;

// Output relative paths

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

mSettings.relativePaths = true;

else if (std::strncmp(argv[i], "-rp=", 4) == 0 || std::strncmp(argv[i], "--relative-paths=", 17) == 0) {

mSettings.relativePaths = true;

if (argv[i][argv[i][3]=='='?4:17] != 0) {

std::string paths = argv[i]+(argv[i][3]=='='?4:17);

for (;;) {

const std::string::size_type pos = paths.find(';');

if (pos == std::string::npos) {

mSettings.basePaths.emplace_back(Path::fromNativeSeparators(paths));

break;

}

mSettings.basePaths.emplace_back(Path::fromNativeSeparators(paths.substr(0, pos)));

paths.erase(0, pos + 1);

}

} else {

printError("no paths specified for the '" + std::string(argv[i]) + "' option.");

return false;

}

}

// Report progress

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

mSettings.reportProgress = true;

}

#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.emplace_back(std::move(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();

if (node && strcmp(node->Value(), "rules") == 0)

node = node->FirstChildElement("rule");

for (; node && strcmp(node->Value(), "rule") == 0; node = node->NextSiblingElement()) {

Settings::Rule rule;

const tinyxml2::XMLElement *tokenlist = node->FirstChildElement("tokenlist");

if (tokenlist)

rule.tokenlist = tokenlist->GetText();

const tinyxml2::XMLElement *pattern = node->FirstChildElement("pattern");

if (pattern) {

rule.pattern = pattern->GetText();

}

tinyxml2::XMLElement *message = node->FirstChildElement("message");

if (message) {

const tinyxml2::XMLElement *severity = message->FirstChildElement("severity");

if (severity)

rule.severity = Severity::fromString(severity->GetText());

const tinyxml2::XMLElement *id = message->FirstChildElement("id");

if (id)

rule.id = id->GetText();

const tinyxml2::XMLElement *summary = message->FirstChildElement("summary");

if (summary)

rule.summary = summary->GetText() ? summary->GetText() : "";

}

if (!rule.pattern.empty())

mSettings.rules.emplace_back(std::move(rule));

}

} else {

printError("unable to load rule-file: " + std::string(12+argv[i]));

return false;

}

}

#endif

// show timing information..

else if (std::strncmp(argv[i], "--showtime=", 11) == 0) {

const std::string showtimeMode = argv[i] + 11;

if (showtimeMode == "file")

mSettings.showtime = SHOWTIME_MODES::SHOWTIME_FILE;

else if (showtimeMode == "file-total")

mSettings.showtime = SHOWTIME_MODES::SHOWTIME_FILE_TOTAL;

else if (showtimeMode == "summary")

mSettings.showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY;

else if (showtimeMode == "top5")

mSettings.showtime = SHOWTIME_MODES::SHOWTIME_TOP5;

else if (showtimeMode.empty())

mSettings.showtime = SHOWTIME_MODES::SHOWTIME_NONE;

else {

printError("unrecognized showtime mode: \"" + showtimeMode + "\". Supported modes: file, file-total, summary, top5.");

return false;

}

}

// --std

else if (std::strncmp(argv[i], "--std=", 6) == 0) {

const std::string std = argv[i] + 6;

// TODO: print error when standard is unknown

if (std::strncmp(std.c_str(), "c++", 3) == 0) {

mSettings.standards.cpp = Standards::getCPP(std);

}

else if (std::strncmp(std.c_str(), "c", 1) == 0) {

mSettings.standards.c = Standards::getC(std);

}

else {

printError("unknown --std value '" + std + "'");

return false;

}

}

else if (std::strncmp(argv[i], "--suppress=", 11) == 0) {

const std::string suppression = argv[i]+11;

const std::string errmsg(mSuppressions.addSuppressionLine(suppression));

if (!errmsg.empty()) {

printError(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);

if (!f.is_open()) {

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

message += filename;

message += "\".";

if (std::count(filename.cbegin(), filename.cend(), ',') > 0 ||

std::count(filename.cbegin(), filename.cend(), '.') > 1) {

// If user tried to pass multiple files (we can only guess that)

// e.g. like this: --suppressions-list=a.txt,b.txt

// print more detailed error message to tell user how he can solve the problem

message += "\nIf you want to pass two files, you can do it e.g. like this:";

message += "\n cppcheck --suppressions-list=a.txt --suppressions-list=b.txt file.cpp";

}

printError(message);

return false;

}

const std::string errmsg(mSuppressions.parseFile(f));

if (!errmsg.empty()) {

printError(errmsg);

return false;

}

}

else if (std::strncmp(argv[i], "--suppress-xml=", 15) == 0) {

const char * filename = argv[i] + 15;

const std::string errmsg(mSuppressions.parseXmlFile(filename));

if (!errmsg.empty()) {

printError(errmsg);

return false;

}

}

// TODO: deprecate "--template <template>"

// 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 {

printError("argument to '--template' is missing.");

return false;

}

// TODO: bail out when no placeholders are found?

if (mSettings.templateFormat == "gcc") {

mSettings.templateFormat = "{bold}{file}:{line}:{column}: {magenta}warning:{default} {message} [{id}]{reset}\\n{code}";

mSettings.templateLocation = "{bold}{file}:{line}:{column}: {dim}note:{reset} {info}\\n{code}";

} else if (mSettings.templateFormat == "daca2") {

mSettings.daca = true;

mSettings.templateFormat = "{file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]";

mSettings.templateLocation = "{file}:{line}:{column}: note: {info}";

} else if (mSettings.templateFormat == "vs")

mSettings.templateFormat = "{file}({line}): {severity}: {message}";

else if (mSettings.templateFormat == "edit")

mSettings.templateFormat = "{file} +{line}: {severity}: {message}";

else if (mSettings.templateFormat == "cppcheck1")

mSettings.templateFormat = "{callstack}: ({severity}{inconclusive:, inconclusive}) {message}";

else if (mSettings.templateFormat == "selfcheck") {

mSettings.templateFormat = "{file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]\\n{code}";

mSettings.templateLocation = "{file}:{line}:{column}: note: {info}\\n{code}";

mSettings.daca = true;

}

}

// TODO: deprecate "--template-location <template>"

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 {

printError("argument to '--template-location' is missing.");

return false;

}

// TODO: bail out when no placeholders are found?

}

else if (std::strncmp(argv[i], "--template-max-time=", 20) == 0) {

if (!parseNumberArg(argv[i], 20, mSettings.templateMaxTime))

return false;

}

else if (std::strncmp(argv[i], "--typedef-max-time=", 19) == 0) {

if (!parseNumberArg(argv[i], 19, mSettings.typedefMaxTime))

return false;

}

else if (std::strncmp(argv[i], "--valueflow-max-iterations=", 27) == 0) {

if (!parseNumberArg(argv[i], 27, mSettings.valueFlowMaxIterations))

return false;

}

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

mSettings.verbose = true;

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

mShowVersion = true;

mExitAfterPrint = true;

mSettings.loadCppcheckCfg();

return true;

}

// Write results in results.xml

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

mSettings.xml = true;

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

else if (std::strncmp(argv[i], "--xml-version=", 14) == 0) {

int tmp;

if (!parseNumberArg(argv[i], 14, tmp))

return false;

if (tmp != 2) {

// We only have xml version 2

printError("'--xml-version' can only be 2.");

return false;

}

mSettings.xml_version = tmp;

// Enable also XML if version is set

mSettings.xml = true;

}

else {

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

message += argv[i];

message += "\".";

printError(message);