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1239 lines (1105 loc) · 58.8 KB
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2019 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);
files = &infile;
}
if (files && *files) {
std::string fileName;
while (std::getline(*files, fileName)) { // next line
if (!fileName.empty()) {
pathNames.push_back(fileName);
}
}
}
}
static bool addIncludePathsToList(const std::string& fileList, std::list<std::string>* pathNames)
{
std::ifstream files(fileList);
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);
}
}
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.begin(), templist.end());
return true;
}
CmdLineParser::CmdLineParser(Settings *settings)
: mSettings(settings)
, mShowHelp(false)
, mShowVersion(false)
, mShowErrorMessages(false)
, mExitAfterPrint(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;
mSettings->exename = argv[0];
for (int i = 1; i < argc; i++) {
if (argv[i][0] == '-') {
if (std::strcmp(argv[i], "--version") == 0) {
mShowVersion = true;
mExitAfterPrint = true;
return true;
}
else if (std::strncmp(argv[i], "--addon=", 8) == 0)
mSettings->addons.emplace_back(argv[i]+8);
else if (std::strcmp(argv[i], "--clang") == 0)
mSettings->clang = true;
else if (std::strncmp(argv[i], "--cppcheck-build-dir=", 21) == 0) {
mSettings->buildDir = Path::fromNativeSeparators(argv[i] + 21);
if (endsWith(mSettings->buildDir, '/'))
mSettings->buildDir.erase(mSettings->buildDir.size() - 1U);
}
// Flag used for various purposes during debugging
else if (std::strcmp(argv[i], "--debug-simplified") == 0)
mSettings->debugSimplified = true;
// 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;
// Show debug warnings
else if (std::strcmp(argv[i], "--debug-warnings") == 0)
mSettings->debugwarnings = true;
// Show template information
else if (std::strcmp(argv[i], "--debug-template") == 0)
mSettings->debugtemplate = true;
// dump cppcheck data
else if (std::strcmp(argv[i], "--dump") == 0)
mSettings->dump = true;
// max ctu depth
else if (std::strncmp(argv[i], "--max-ctu-depth=", 16) == 0)
mSettings->maxCtuDepth = std::atoi(argv[i] + 16);
else if (std::strcmp(argv[i], "--experimental-fast") == 0)
// TODO: Remove this flag!
;
// (Experimental) exception handling inside cppcheck client
else if (std::strcmp(argv[i], "--exception-handling") == 0)
mSettings->exceptionHandling = true;
else if (std::strncmp(argv[i], "--exception-handling=", 21) == 0) {
mSettings->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)
mSettings->inconclusive = true;
// A --bug-hunting flag is needed by the tests
else if (std::strcmp(argv[i], "--bug-hunting") == 0)
mSettings->bugHunting = true;
/*
else if (std::strncmp(argv[i], "--check-diff=", 13) == 0) {
std::ifstream fin(argv[i] + 13);
if (!fin.is_open()) {
printMessage("cppcheck: could not open file " + std::string(argv[i] + 13) + ".");
return false;
}
mSettings->checkDiff = Settings::loadDiffFile(fin);
for (const auto &diff: mSettings->bugHuntingDiff) {
if (!Path::acceptFile(diff.filename))
continue;
const std::string filename = Path::fromNativeSeparators(diff.filename);
if (std::find(mPathNames.begin(), mPathNames.end(), filename) == mPathNames.end())
mPathNames.push_back(filename);
}
}
*/
// 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")
mSettings->enforcedLang = Settings::C;
else if (str == "c++")
mSettings->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);
if (!f.is_open()) {
printMessage("cppcheck: Couldn't open the file: \"" + filename + "\".");
return false;
}
const std::string errmsg(mSettings->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);
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(mSettings->nomsg.parseFile(f));
if (!errmsg.empty()) {
printMessage(errmsg);
return false;
}
}
else if (std::strncmp(argv[i], "--suppress-xml=", 15) == 0) {
const char * filename = argv[i] + 15;
const std::string errmsg(mSettings->nomsg.parseXmlFile(filename));
if (!errmsg.empty()) {
printMessage(errmsg);
return false;
}
}
else if (std::strncmp(argv[i], "--suppress=", 11) == 0) {
const std::string suppression = argv[i]+11;
const std::string errmsg(mSettings->nomsg.addSuppressionLine(suppression));
if (!errmsg.empty()) {
printMessage(errmsg);
return false;
}
}
// Enables inline suppressions.
else if (std::strcmp(argv[i], "--inline-suppr") == 0)
mSettings->inlineSuppressions = true;
// Verbose error messages (configuration info)
else if (std::strcmp(argv[i], "-v") == 0 || std::strcmp(argv[i], "--verbose") == 0)
mSettings->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)
mSettings->force = 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.push_back(Path::fromNativeSeparators(paths));
break;
}
mSettings->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)
mSettings->outputFile = Path::simplifyPath(Path::fromNativeSeparators(argv[i] + 14));
// 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 += '/';
}
// 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) {
const std::string numberString(argv[i]+14);
std::istringstream iss(numberString);
if (!(iss >> mSettings->xml_version)) {
printMessage("cppcheck: argument to '--xml-version' is not a number.");
return false;
}
if (mSettings->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
mSettings->xml = true;
}
// use a file filter
else if (std::strncmp(argv[i], "--file-filter=", 14) == 0)
mSettings->fileFilter = std::string(argv[i] + 14);
// Only print something when there are errors
else if (std::strcmp(argv[i], "-q") == 0 || std::strcmp(argv[i], "--quiet") == 0)
mSettings->quiet = true;
// Check configuration
else if (std::strcmp(argv[i], "--check-config") == 0) {
mSettings->checkConfiguration = true;
}
// Check library definitions
else if (std::strcmp(argv[i], "--check-library") == 0) {
mSettings->checkLibrary = true;
}
else if (std::strncmp(argv[i], "--enable=", 9) == 0) {
const std::string errmsg = mSettings->addEnabled(argv[i] + 9);
if (!errmsg.empty()) {
printMessage(errmsg);
return false;
}
// when "style" is enabled, also enable "warning", "performance" and "portability"
if (mSettings->isEnabled(Settings::STYLE)) {
mSettings->addEnabled("warning");
mSettings->addEnabled("performance");
mSettings->addEnabled("portability");
}
}
// --error-exitcode=1
else if (std::strncmp(argv[i], "--error-exitcode=", 17) == 0) {
const std::string temp = argv[i]+17;
std::istringstream iss(temp);
if (!(iss >> mSettings->exitCode)) {
mSettings->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 (!mSettings->userDefines.empty())
mSettings->userDefines += ";";
mSettings->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];
}
mSettings->userUndefs.insert(undef);
}
// -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] == '-') {
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 += '/';
mSettings->includePaths.push_back(path);
} else if (std::strncmp(argv[i], "--include=", 10) == 0) {
std::string path = argv[i] + 10;
path = Path::fromNativeSeparators(path);
mSettings->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)
const std::string includesFile(16 + argv[i]);
if (!addIncludePathsToList(includesFile, &mSettings->includePaths)) {
printMessage("Cppcheck: unable to open includes file at '" + includesFile + "'");
return false;
}
} else if (std::strncmp(argv[i], "--config-exclude=",17) ==0) {
std::string path = argv[i] + 17;
path = Path::fromNativeSeparators(path);
mSettings->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)
const std::string cfgExcludesFile(23 + argv[i]);
if (!addPathsToSet(cfgExcludesFile, &mSettings->configExcludePaths)) {
printMessage("Cppcheck: unable to open config excludes file at '" + cfgExcludesFile + "'");
return false;
}
}
// file list specified
else if (std::strncmp(argv[i], "--file-list=", 12) == 0) {
// open this file and read every input file (1 file name per line)
addFilesToList(12 + argv[i], mPathNames);
}
// Ignored paths
else if (std::strncmp(argv[i], "-i", 2) == 0) {
std::string path;
// "-i path/"
if (std::strcmp(argv[i], "-i") == 0) {
++i;
if (i >= argc || argv[i][0] == '-') {
printMessage("cppcheck: argument to '-i' is missing.");
return false;
}
path = argv[i];
}
// "-ipath/"
else {
path = 2 + argv[i];
}
if (!path.empty()) {
path = Path::removeQuotationMarks(path);
path = Path::fromNativeSeparators(path);
path = Path::simplifyPath(path);
if (FileLister::isDirectory(path)) {
// If directory name doesn't end with / or \, add it
if (!endsWith(path, '/'))
path += '/';
}
mIgnoredPaths.push_back(path);
}
}
// --library
else if (std::strncmp(argv[i], "--library=", 10) == 0) {
std::string lib(argv[i] + 10);
mSettings->libraries.push_back(lib);
}
// --project
else if (std::strncmp(argv[i], "--project=", 10) == 0) {
mSettings->checkAllConfigurations = false; // Can be overridden with --max-configs or --force
const std::string projectFile = argv[i]+10;
ImportProject::Type projType = mSettings->project.import(projectFile, mSettings);
if (projType == ImportProject::Type::CPPCHECK_GUI) {
mPathNames = mSettings->project.guiProject.pathNames;
for (const std::string &lib : mSettings->project.guiProject.libraries)
mSettings->libraries.push_back(lib);
for (const std::string &ignorePath : mSettings->project.guiProject.excludedPaths)
mIgnoredPaths.emplace_back(ignorePath);
const std::string platform(mSettings->project.guiProject.platform);
if (platform == "win32A")
mSettings->platform(Settings::Win32A);
else if (platform == "win32W")
mSettings->platform(Settings::Win32W);
else if (platform == "win64")
mSettings->platform(Settings::Win64);
else if (platform == "unix32")
mSettings->platform(Settings::Unix32);
else if (platform == "unix64")
mSettings->platform(Settings::Unix64);
else if (platform == "native")
mSettings->platform(Settings::Native);
else if (platform == "unspecified" || platform == "Unspecified" || platform == "")
;
else if (!mSettings->loadPlatformFile(argv[0], platform)) {
std::string message("cppcheck: error: unrecognized platform: \"");
message += platform;
message += "\".";
printMessage(message);
return false;
}
if (!mSettings->project.guiProject.projectFile.empty())
projType = mSettings->project.import(mSettings->project.guiProject.projectFile, mSettings);
}
if (projType == ImportProject::Type::VS_SLN || projType == ImportProject::Type::VS_VCXPROJ) {
if (mSettings->project.guiProject.analyzeAllVsConfigs == "false")
mSettings->project.selectOneVsConfig(mSettings->platformType);
if (!CppCheckExecutor::tryLoadLibrary(mSettings->library, argv[0], "windows.cfg")) {
// This shouldn't happen normally.
printMessage("cppcheck: Failed to load 'windows.cfg'. Your Cppcheck installation is broken. Please re-install.");
return false;
}
}
if (projType == ImportProject::Type::MISSING) {
printMessage("cppcheck: Failed to open project '" + projectFile + "'.");
return false;
}
if (projType == ImportProject::Type::UNKNOWN) {
printMessage("cppcheck: Failed to load project '" + projectFile + "'. The format is unknown.");
return false;
}
}
// Report progress
else if (std::strcmp(argv[i], "--report-progress") == 0) {
mSettings->reportProgress = true;
}
// --std
else if (std::strcmp(argv[i], "--std=posix") == 0) {
printMessage("cppcheck: Option --std=posix is deprecated and will be removed in 1.95.");
} else if (std::strcmp(argv[i], "--std=c89") == 0) {
mSettings->standards.c = Standards::C89;
} else if (std::strcmp(argv[i], "--std=c99") == 0) {
mSettings->standards.c = Standards::C99;
} else if (std::strcmp(argv[i], "--std=c11") == 0) {
mSettings->standards.c = Standards::C11;
} else if (std::strcmp(argv[i], "--std=c++03") == 0) {
mSettings->standards.cpp = Standards::CPP03;
} else if (std::strcmp(argv[i], "--std=c++11") == 0) {
mSettings->standards.cpp = Standards::CPP11;
} else if (std::strcmp(argv[i], "--std=c++14") == 0) {
mSettings->standards.cpp = Standards::CPP14;
} else if (std::strcmp(argv[i], "--std=c++17") == 0) {
mSettings->standards.cpp = Standards::CPP17;
} else if (std::strcmp(argv[i], "--std=c++20") == 0) {
mSettings->standards.cpp = Standards::CPP20;
}
// Output formatter
else if (std::strcmp(argv[i], "--template") == 0 ||
std::strncmp(argv[i], "--template=", 11) == 0) {
// "--template format"
if (argv[i][10] == '=')
mSettings->templateFormat = argv[i] + 11;
else if ((i+1) < argc && argv[i+1][0] != '-') {
++i;
mSettings->templateFormat = argv[i];
} else {
printMessage("cppcheck: argument to '--template' is missing.");
return false;
}
if (mSettings->templateFormat == "gcc") {
mSettings->templateFormat = "{file}:{line}:{column}: warning: {message} [{id}]\\n{code}";
mSettings->templateLocation = "{file}:{line}:{column}: note: {info}\\n{code}";
} else if (mSettings->templateFormat == "daca2") {
mSettings->templateFormat = "{file}:{line}:{column}: {severity}: {message} [{id}]";
mSettings->templateLocation = "{file}:{line}:{column}: note: {info}";
} else if (mSettings->templateFormat == "vs")
mSettings->templateFormat = "{file}({line}): {severity}: {message}";
else if (mSettings->templateFormat == "edit")
mSettings->templateFormat = "{file} +{line}: {severity}: {message}";
else if (mSettings->templateFormat == "cppcheck1")
mSettings->templateFormat = "{callstack}: ({severity}{inconclusive:, inconclusive}) {message}";
}
else if (std::strcmp(argv[i], "--template-location") == 0 ||
std::strncmp(argv[i], "--template-location=", 20) == 0) {
// "--template-location format"
if (argv[i][19] == '=')
mSettings->templateLocation = argv[i] + 20;
else if ((i+1) < argc && argv[i+1][0] != '-') {
++i;
mSettings->templateLocation = argv[i];
} else {
printMessage("cppcheck: argument to '--template' is missing.");
return false;
}
}
// Checking threads
else if (std::strncmp(argv[i], "-j", 2) == 0) {
std::string numberString;
// "-j 3"
if (std::strcmp(argv[i], "-j") == 0) {
++i;
if (i >= argc || argv[i][0] == '-') {
printMessage("cppcheck: argument to '-j' is missing.");
return false;
}
numberString = argv[i];
}
// "-j3"
else
numberString = argv[i]+2;
std::istringstream iss(numberString);
if (!(iss >> mSettings->jobs)) {
printMessage("cppcheck: argument to '-j' is not a number.");
return false;
}
if (mSettings->jobs > 10000) {
// This limit is here just to catch typos. If someone has
// need for more jobs, this value should be increased.
printMessage("cppcheck: argument for '-j' is allowed to be 10000 at max.");
return false;
}
} else if (std::strncmp(argv[i], "-l", 2) == 0) {
std::string numberString;
// "-l 3"
if (std::strcmp(argv[i], "-l") == 0) {
++i;
if (i >= argc || argv[i][0] == '-') {
printMessage("cppcheck: argument to '-l' is missing.");
return false;
}
numberString = argv[i];
}
// "-l3"
else
numberString = argv[i]+2;
std::istringstream iss(numberString);
if (!(iss >> mSettings->loadAverage)) {
printMessage("cppcheck: argument to '-l' is not a number.");
return false;
}
}
// print all possible error messages..
else if (std::strcmp(argv[i], "--errorlist") == 0) {
mShowErrorMessages = true;
mSettings->xml = true;
mExitAfterPrint = true;
}
// documentation..
else if (std::strcmp(argv[i], "--doc") == 0) {
std::ostringstream doc;
// Get documentation..
for (const Check * it : Check::instances()) {
const std::string& name(it->name());
const std::string info(it->classInfo());
if (!name.empty() && !info.empty())
doc << "## " << name << " ##\n"
<< info << "\n";
}
std::cout << doc.str();
mExitAfterPrint = true;
return true;
}
// show timing information..
else if (std::strncmp(argv[i], "--showtime=", 11) == 0) {
const std::string showtimeMode = argv[i] + 11;
if (showtimeMode == "file")
mSettings->showtime = SHOWTIME_MODES::SHOWTIME_FILE;
else if (showtimeMode == "summary")
mSettings->showtime = SHOWTIME_MODES::SHOWTIME_SUMMARY;
else if (showtimeMode == "top5")
mSettings->showtime = SHOWTIME_MODES::SHOWTIME_TOP5;
else if (showtimeMode.empty())
mSettings->showtime = SHOWTIME_MODES::SHOWTIME_NONE;
else {
std::string message("cppcheck: error: unrecognized showtime mode: \"");
message += showtimeMode;
message += "\". Supported modes: file, summary, top5.";
printMessage(message);
return false;
}
}
#ifdef HAVE_RULES
// Rule given at command line
else if (std::strncmp(argv[i], "--rule=", 7) == 0) {
Settings::Rule rule;
rule.pattern = 7 + argv[i];
mSettings->rules.push_back(rule);
}
// Rule file
else if (std::strncmp(argv[i], "--rule-file=", 12) == 0) {
tinyxml2::XMLDocument doc;
if (doc.LoadFile(12+argv[i]) == tinyxml2::XML_SUCCESS) {
tinyxml2::XMLElement *node = doc.FirstChildElement();
for (; node && strcmp(node->Value(), "rule") == 0; node = node->NextSiblingElement()) {
Settings::Rule rule;
tinyxml2::XMLElement *tokenlist = node->FirstChildElement("tokenlist");
if (tokenlist)
rule.tokenlist = tokenlist->GetText();
tinyxml2::XMLElement *pattern = node->FirstChildElement("pattern");
if (pattern) {
rule.pattern = pattern->GetText();
}
tinyxml2::XMLElement *message = node->FirstChildElement("message");
if (message) {
tinyxml2::XMLElement *severity = message->FirstChildElement("severity");
if (severity)
rule.severity = Severity::fromString(severity->GetText());
tinyxml2::XMLElement *id = message->FirstChildElement("id");
if (id)
rule.id = id->GetText();
tinyxml2::XMLElement *summary = message->FirstChildElement("summary");
if (summary)
rule.summary = summary->GetText() ? summary->GetText() : "";
}
if (!rule.pattern.empty())
mSettings->rules.push_back(rule);
}
} else {
printMessage("cppcheck: error: unable to load rule-file: " + std::string(12+argv[i]));
return false;
}
}
#endif
// Specify platform
else if (std::strncmp(argv[i], "--platform=", 11) == 0) {
const std::string platform(11+argv[i]);
if (platform == "win32A")
mSettings->platform(Settings::Win32A);
else if (platform == "win32W")
mSettings->platform(Settings::Win32W);
else if (platform == "win64")
mSettings->platform(Settings::Win64);
else if (platform == "unix32")
mSettings->platform(Settings::Unix32);
else if (platform == "unix64")
mSettings->platform(Settings::Unix64);
else if (platform == "native")
mSettings->platform(Settings::Native);
else if (platform == "unspecified")
mSettings->platform(Settings::Unspecified);
else if (!mSettings->loadPlatformFile(argv[0], platform)) {
std::string message("cppcheck: error: unrecognized platform: \"");
message += platform;
message += "\".";
printMessage(message);
return false;
}
}
// Set maximum number of #ifdef configurations to check
else if (std::strncmp(argv[i], "--max-configs=", 14) == 0) {
mSettings->force = false;
std::istringstream iss(14+argv[i]);
if (!(iss >> mSettings->maxConfigs)) {
printMessage("cppcheck: argument to '--max-configs=' is not a number.");
return false;
}
if (mSettings->maxConfigs < 1) {
printMessage("cppcheck: argument to '--max-configs=' must be greater than 0.");
return false;
}
maxconfigs = true;
}
// Print help
else if (std::strcmp(argv[i], "-h") == 0 || std::strcmp(argv[i], "--help") == 0) {
mPathNames.clear();
mShowHelp = true;
mExitAfterPrint = true;
break;
}
else {
std::string message("cppcheck: error: unrecognized command line option: \"");
message += argv[i];
message += "\".";
printMessage(message);
return false;
}
}
else {
std::string path = Path::removeQuotationMarks(argv[i]);
path = Path::fromNativeSeparators(path);
mPathNames.push_back(path);
}
}
if (mSettings->clang) {
if (mSettings->buildDir.empty()) {
printMessage("If --clang is used then --cppcheck-build-dir must be specified also");
return false;
}
}
// Default template format..
if (mSettings->templateFormat.empty()) {
mSettings->templateFormat = "{file}:{line}:{column}: {severity}:{inconclusive:inconclusive:} {message} [{id}]\\n{code}";
if (mSettings->templateLocation.empty())
mSettings->templateLocation = "{file}:{line}:{column}: note: {info}\\n{code}";
}
mSettings->project.ignorePaths(mIgnoredPaths);
if (mSettings->force || maxconfigs)
mSettings->checkAllConfigurations = true;
if (mSettings->force)
mSettings->maxConfigs = ~0U;
else if ((def || mSettings->preprocessOnly) && !maxconfigs)
mSettings->maxConfigs = 1U;
if (mSettings->isEnabled(Settings::UNUSED_FUNCTION) && mSettings->jobs > 1) {
printMessage("cppcheck: unusedFunction check can't be used with '-j' option. Disabling unusedFunction check.");
}
if (argc <= 1) {
mShowHelp = true;
mExitAfterPrint = true;
}
if (mShowHelp) {
printHelp();
return true;
}
// Print error only if we have "real" command and expect files
if (!mExitAfterPrint && mPathNames.empty() && mSettings->project.fileSettings.empty()) {
printMessage("cppcheck: No C or C++ source files found.");
return false;
}
// Use paths _pathnames if no base paths for relative path output are given
if (mSettings->basePaths.empty() && mSettings->relativePaths)
mSettings->basePaths = mPathNames;
return true;
}
void CmdLineParser::printHelp()
{
std::cout << "Cppcheck - A tool for static C/C++ code analysis\n"
"\n"
"Syntax:\n"
" cppcheck [OPTIONS] [files or paths]\n"
"\n"
"If a directory is given instead of a filename, *.cpp, *.cxx, *.cc, *.c++, *.c,\n"
"*.tpp, and *.txx files are checked recursively from the given directory.\n\n"
"Options:\n"
" --addon=<addon>\n"
" Execute addon. i.e. cert.\n"
" --cppcheck-build-dir=<dir>\n"
" Analysis output directory. Useful for various data.\n"
" Some possible usages are; whole program analysis,\n"
" incremental analysis, distributed analysis.\n"
" --check-config Check cppcheck configuration. The normal code\n"
" analysis is disabled by this flag.\n"
" --check-library Show information messages when library files have\n"
" incomplete info.\n"
" --config-exclude=<dir>\n"
" Path (prefix) to be excluded from configuration\n"
" checking. Preprocessor configurations defined in\n"
" headers (but not sources) matching the prefix will not\n"
" be considered for evaluation.\n"
" --config-excludes-file=<file>\n"
" A file that contains a list of config-excludes\n"
" --doc Print a list of all available checks.\n"
" --dump Dump xml data for each translation unit. The dump\n"
" files have the extension .dump and contain ast,\n"
" tokenlist, symboldatabase, valueflow.\n"
" -D<ID> Define preprocessor symbol. Unless --max-configs or\n"
" --force is used, Cppcheck will only check the given\n"
" configuration when -D is used.\n"
" Example: '-DDEBUG=1 -D__cplusplus'.\n"
" -U<ID> Undefine preprocessor symbol. Use -U to explicitly\n"
" hide certain #ifdef <ID> code paths from checking.\n"
" Example: '-UDEBUG'\n"