837 lines
29 KiB
C++
837 lines
29 KiB
C++
/*
|
|
* Cppcheck - A tool for static C/C++ code analysis
|
|
* Copyright (C) 2007-2010 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include "cppcheck.h"
|
|
|
|
#include "preprocessor.h" // preprocessor.
|
|
#include "tokenize.h" // <- Tokenizer
|
|
|
|
#include "filelister.h"
|
|
|
|
#include "check.h"
|
|
#include "path.h"
|
|
|
|
#include <algorithm>
|
|
#include <iostream>
|
|
#include <sstream>
|
|
#include <cstring>
|
|
#include <fstream>
|
|
#include <stdexcept>
|
|
#include <ctime>
|
|
#include "timer.h"
|
|
|
|
static TimerResults S_timerResults;
|
|
|
|
CppCheck::CppCheck(ErrorLogger &errorLogger)
|
|
: _errorLogger(errorLogger)
|
|
{
|
|
exitcode = 0;
|
|
}
|
|
|
|
CppCheck::~CppCheck()
|
|
{
|
|
if (_settings._showtime != SHOWTIME_NONE)
|
|
S_timerResults.ShowResults();
|
|
}
|
|
|
|
void CppCheck::settings(const Settings ¤tSettings)
|
|
{
|
|
_settings = currentSettings;
|
|
}
|
|
|
|
void CppCheck::addFile(const std::string &path)
|
|
{
|
|
getFileLister()->recursiveAddFiles(_filenames, path.c_str(), true);
|
|
}
|
|
|
|
void CppCheck::addFile(const std::string &path, const std::string &content)
|
|
{
|
|
_filenames.push_back(path);
|
|
_fileContents[ path ] = content;
|
|
}
|
|
|
|
void CppCheck::clearFiles()
|
|
{
|
|
_filenames.clear();
|
|
_fileContents.clear();
|
|
}
|
|
|
|
const char * CppCheck::version()
|
|
{
|
|
return "1.44";
|
|
}
|
|
|
|
|
|
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
|
|
// 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::ifstream Files(FileList.c_str());
|
|
if (Files)
|
|
{
|
|
std::string FileName;
|
|
while (std::getline(Files, FileName)) // next line
|
|
{
|
|
if (!FileName.empty())
|
|
{
|
|
PathNames.push_back(FileName);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool CppCheck::parseFromArgs(int argc, const char* const argv[])
|
|
{
|
|
std::vector<std::string> pathnames;
|
|
bool showHelp = false;
|
|
for (int i = 1; i < argc; i++)
|
|
{
|
|
if (strcmp(argv[i], "--version") == 0)
|
|
{
|
|
reportOut(std::string("Cppcheck ") + version());
|
|
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;
|
|
|
|
// Inconclusive checking - keep this for compatibility but don't
|
|
// handle it
|
|
else if (strcmp(argv[i], "-a") == 0 || strcmp(argv[i], "--all") == 0)
|
|
;
|
|
|
|
// Only print something when there are errors
|
|
else if (strcmp(argv[i], "-q") == 0 || strcmp(argv[i], "--quiet") == 0)
|
|
_settings._errorsOnly = true;
|
|
|
|
// Checking coding style
|
|
else if (strcmp(argv[i], "-s") == 0 || strcmp(argv[i], "--style") == 0)
|
|
{
|
|
const std::string errmsg = _settings.addEnabled("style");
|
|
if (!errmsg.empty())
|
|
{
|
|
reportOut(errmsg);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Filter errors
|
|
else if (strcmp(argv[i], "--suppressions") == 0)
|
|
{
|
|
++i;
|
|
|
|
if (i >= argc)
|
|
{
|
|
reportOut("cppcheck: No file specified for the --suppressions option");
|
|
return false;
|
|
}
|
|
|
|
std::ifstream f(argv[i]);
|
|
if (!f.is_open())
|
|
{
|
|
reportOut("cppcheck: Couldn't open the file \"" + std::string(argv[i]) + "\"");
|
|
return false;
|
|
}
|
|
const std::string errmsg(_settings.nomsg.parseFile(f));
|
|
if (!errmsg.empty())
|
|
{
|
|
reportOut(errmsg);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Filter errors
|
|
else if (strcmp(argv[i], "--exitcode-suppressions") == 0)
|
|
{
|
|
++i;
|
|
|
|
if (i >= argc)
|
|
{
|
|
reportOut("cppcheck: No file specified for the --exitcode-suppressions option");
|
|
return false;
|
|
}
|
|
|
|
std::ifstream f(argv[i]);
|
|
if (!f.is_open())
|
|
{
|
|
reportOut("cppcheck: Couldn't open the file \"" + std::string(argv[i]) + "\"");
|
|
return false;
|
|
}
|
|
const std::string errmsg(_settings.nofail.parseFile(f));
|
|
if (!errmsg.empty())
|
|
{
|
|
reportOut(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;
|
|
|
|
// Write results in results.xml
|
|
else if (strcmp(argv[i], "--xml") == 0)
|
|
_settings._xml = true;
|
|
|
|
// Check if there are unused functions
|
|
else if (strcmp(argv[i], "--unused-functions") == 0)
|
|
{
|
|
const std::string errmsg = _settings.addEnabled("unusedFunctions");
|
|
if (!errmsg.empty())
|
|
{
|
|
reportOut(errmsg);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// Append userdefined code to checked source code
|
|
else if (strncmp(argv[i], "--append=", 9) == 0)
|
|
_settings.append(9 + argv[i]);
|
|
|
|
// 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;
|
|
}
|
|
|
|
// Print help
|
|
else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0)
|
|
{
|
|
pathnames.clear();
|
|
_filenames.clear();
|
|
showHelp = true;
|
|
break;
|
|
}
|
|
|
|
|
|
else if (strncmp(argv[i], "--enable=", 9) == 0)
|
|
{
|
|
const std::string errmsg = _settings.addEnabled(argv[i] + 9);
|
|
if (!errmsg.empty())
|
|
{
|
|
reportOut(errmsg);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// --error-exitcode=1
|
|
else if (strncmp(argv[i], "--error-exitcode=", 17) == 0)
|
|
{
|
|
std::string temp = argv[i];
|
|
temp = temp.substr(17);
|
|
std::istringstream iss(temp);
|
|
if (!(iss >> _settings._exitCode))
|
|
{
|
|
_settings._exitCode = 0;
|
|
reportOut("cppcheck: Argument must be an integer. Try something like '--error-exitcode=1'");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// User define
|
|
else if (strncmp(argv[i], "-D", 2) == 0)
|
|
{
|
|
if (!_settings.userDefines.empty())
|
|
_settings.userDefines += ";";
|
|
_settings.userDefines += 2 + argv[i];
|
|
}
|
|
|
|
// Include paths
|
|
else if (strcmp(argv[i], "-I") == 0 || strncmp(argv[i], "-I", 2) == 0)
|
|
{
|
|
std::string path;
|
|
|
|
// "-I path/"
|
|
if (strcmp(argv[i], "-I") == 0)
|
|
{
|
|
++i;
|
|
if (i >= argc)
|
|
{
|
|
reportOut("cppcheck: argument to '-I' is missing");
|
|
return false;
|
|
}
|
|
|
|
path = argv[i];
|
|
}
|
|
|
|
// "-Ipath/"
|
|
else
|
|
{
|
|
path = argv[i];
|
|
path = path.substr(2);
|
|
}
|
|
|
|
// If path doesn't end with / or \, add it
|
|
if (path[path.length()-1] != '/' && path[path.length()-1] != '\\')
|
|
path += '/';
|
|
|
|
_settings._includePaths.push_back(path);
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
|
|
// Report progress
|
|
else if (strcmp(argv[i], "--report-progress") == 0)
|
|
{
|
|
_settings.reportProgress = true;
|
|
}
|
|
|
|
// Output formatter
|
|
else if (strcmp(argv[i], "--template") == 0)
|
|
{
|
|
// "--template path/"
|
|
++i;
|
|
if (i >= argc)
|
|
{
|
|
reportOut("cppcheck: argument to '--template' is missing");
|
|
return false;
|
|
}
|
|
|
|
_settings._outputFormat = argv[i];
|
|
if (_settings._outputFormat == "gcc")
|
|
_settings._outputFormat = "{file}:{line}: {severity}: {message}";
|
|
else if (_settings._outputFormat == "vs")
|
|
_settings._outputFormat = "{file}({line}): {severity}: {message}";
|
|
}
|
|
|
|
// Checking threads
|
|
else if (strcmp(argv[i], "-j") == 0 ||
|
|
strncmp(argv[i], "-j", 2) == 0)
|
|
{
|
|
std::string numberString;
|
|
|
|
// "-j 3"
|
|
if (strcmp(argv[i], "-j") == 0)
|
|
{
|
|
++i;
|
|
if (i >= argc)
|
|
{
|
|
reportOut("cppcheck: argument to '-j' is missing");
|
|
return false;
|
|
}
|
|
|
|
numberString = argv[i];
|
|
}
|
|
|
|
// "-j3"
|
|
else if (strncmp(argv[i], "-j", 2) == 0)
|
|
{
|
|
numberString = argv[i];
|
|
numberString = numberString.substr(2);
|
|
}
|
|
|
|
std::istringstream iss(numberString);
|
|
if (!(iss >> _settings._jobs))
|
|
{
|
|
reportOut("cppcheck: argument to '-j' is not a number");
|
|
return false;
|
|
}
|
|
|
|
if (_settings._jobs > 1000)
|
|
{
|
|
reportOut("cppcheck: argument for '-j' is allowed to be 1000 at max");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
// deprecated: auto deallocated classes..
|
|
else if (strcmp(argv[i], "--auto-dealloc") == 0)
|
|
{
|
|
++i;
|
|
}
|
|
|
|
// print all possible error messages..
|
|
else if (strcmp(argv[i], "--errorlist") == 0)
|
|
{
|
|
getErrorMessages();
|
|
return 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)
|
|
{
|
|
doc << "===" << (*it)->name() << "===\n"
|
|
<< (*it)->classInfo() << "\n\n";
|
|
}
|
|
|
|
std::string doc2(doc.str());
|
|
while (doc2.find("\n\n\n") != std::string::npos)
|
|
doc2.erase(doc2.find("\n\n\n"), 1);
|
|
reportOut(doc2);
|
|
return true;
|
|
}
|
|
|
|
// --test-2-pass Experimental 2-pass checking of files
|
|
// This command line flag will be removed
|
|
else if (strcmp(argv[i], "--test-2-pass") == 0)
|
|
{
|
|
_settings.test_2_pass = true;
|
|
}
|
|
|
|
else if (strncmp(argv[i], "-", 1) == 0 || strncmp(argv[i], "--", 2) == 0)
|
|
{
|
|
reportOut("cppcheck: error: unrecognized command line option \"" + std::string(argv[i]) + "\"");
|
|
return false;
|
|
}
|
|
|
|
else
|
|
pathnames.push_back(argv[i]);
|
|
}
|
|
|
|
if (_settings.isEnabled("unusedFunctions") && _settings._jobs > 1)
|
|
{
|
|
reportOut("unusedFunctions check can't be used with -j option, so it was disabled.");
|
|
}
|
|
|
|
// FIXME: Make the _settings.test_2_pass thread safe
|
|
if (_settings.test_2_pass && _settings._jobs > 1)
|
|
{
|
|
reportOut("--test-2-pass doesn't work with -j option yet.");
|
|
}
|
|
|
|
if (!pathnames.empty())
|
|
{
|
|
// Execute recursiveAddFiles() to each given file parameter
|
|
std::vector<std::string>::const_iterator iter;
|
|
for (iter = pathnames.begin(); iter != pathnames.end(); ++iter)
|
|
getFileLister()->recursiveAddFiles(_filenames, iter->c_str(), true);
|
|
}
|
|
|
|
if (argc <= 1 || showHelp)
|
|
{
|
|
std::ostringstream oss;
|
|
oss << "Cppcheck - A tool for static C/C++ code analysis\n"
|
|
"\n"
|
|
"Syntax:\n"
|
|
" cppcheck [--append=file] [-D<ID>] [--enable=<id>] [--error-exitcode=[n]]\n"
|
|
" [--exitcode-suppressions file] [--file-list=file.txt] [--force]\n"
|
|
" [--help] [-Idir] [--inline-suppr] [-j [jobs]] [--quiet]\n"
|
|
" [--report-progress] [--style] [--suppressions file.txt]\n"
|
|
" [--verbose] [--version] [--xml] [file or path1] [file or path]\n"
|
|
"\n"
|
|
"If path is given instead of filename, *.cpp, *.cxx, *.cc, *.c++ and *.c files\n"
|
|
"are checked recursively from given directory.\n\n"
|
|
"Options:\n"
|
|
" --append=file This allows you to provide information about\n"
|
|
" functions by providing an implementation for these.\n"
|
|
" -D<ID> By default Cppcheck checks all configurations.\n"
|
|
" Use -D to limit the checking. When -D is used the\n"
|
|
" checking is limited to the given configuration.\n"
|
|
" Example: -DDEBUG=1 -D__cplusplus\n"
|
|
" --enable=id Enable additional checks. The available ids are:\n"
|
|
" * all - enable all checks\n"
|
|
" * exceptNew - exception safety when using new\n"
|
|
" * exceptRealloc - exception safety when reallocating\n"
|
|
" * style - Check coding style\n"
|
|
" * unusedFunctions - check for unused functions\n"
|
|
" Several ids can be given if you separate them with commas\n"
|
|
" --error-exitcode=[n] If errors are found, integer [n] is returned instead\n"
|
|
" of 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\n"
|
|
" modify this value, e.g. 256 can become 0.\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. One Filename per line.\n"
|
|
" -f, --force Force checking on files that have \"too many\"\n"
|
|
" configurations\n"
|
|
" -h, --help Print this help\n"
|
|
" -I [dir] Give include path. Give several -I parameters to give\n"
|
|
" several paths. First given path is checked first. If\n"
|
|
" paths are relative to source files, this is not needed\n"
|
|
" --inline-suppr Enable inline suppressions. Use them by placing one or\n"
|
|
" more comments in the form: // cppcheck-suppress memleak\n"
|
|
" on the lines before the warning to suppress.\n"
|
|
" -j [jobs] Start [jobs] threads to do the checking simultaneously.\n"
|
|
" -q, --quiet Only print error messages\n"
|
|
" --report-progress Report progress messages while checking a file.\n"
|
|
" -s, --style deprecated, use --enable=style\n"
|
|
" --suppressions file Suppress warnings listed in the file. Filename and line\n"
|
|
" are optional. The format of the single line in file is:\n"
|
|
" [error id]:[filename]:[line]\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\n"
|
|
" -v, --verbose More detailed error reports\n"
|
|
" --version Print out version number\n"
|
|
" --xml Write results in xml to error stream.\n"
|
|
"\n"
|
|
"Example usage:\n"
|
|
" # Recursively check the current folder. Print the progress on the screen and\n"
|
|
" write errors in 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";
|
|
reportOut(oss.str());
|
|
}
|
|
else if (_filenames.empty())
|
|
{
|
|
reportOut("cppcheck: No C or C++ source files found.");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
unsigned int CppCheck::check()
|
|
{
|
|
exitcode = 0;
|
|
|
|
std::sort(_filenames.begin(), _filenames.end());
|
|
|
|
// TODO: Should this be moved out to its own function so all the files can be
|
|
// analysed before any files are checked?
|
|
if (_settings.test_2_pass && _settings._jobs == 1)
|
|
{
|
|
for (unsigned int c = 0; c < _filenames.size(); c++)
|
|
{
|
|
const std::string fname = _filenames[c];
|
|
if (_settings.terminated())
|
|
break;
|
|
|
|
std::string fixedname = Path::toNativeSeparators(fname);
|
|
reportOut("Analysing " + fixedname + "..");
|
|
|
|
std::ifstream f(fname.c_str());
|
|
analyseFile(f, fname);
|
|
}
|
|
}
|
|
|
|
for (unsigned int c = 0; c < _filenames.size(); c++)
|
|
{
|
|
_errout.str("");
|
|
const std::string fname = _filenames[c];
|
|
|
|
if (_settings.terminated())
|
|
break;
|
|
|
|
if (_settings._errorsOnly == false)
|
|
{
|
|
std::string fixedpath(fname);
|
|
fixedpath = Path::simplifyPath(fixedpath);
|
|
fixedpath = Path::toNativeSeparators(fixedpath);
|
|
_errorLogger.reportOut(std::string("Checking ") + fixedpath + std::string("..."));
|
|
}
|
|
|
|
try
|
|
{
|
|
Preprocessor preprocessor(&_settings, this);
|
|
std::list<std::string> configurations;
|
|
std::string filedata = "";
|
|
|
|
if (_fileContents.size() > 0 && _fileContents.find(_filenames[c]) != _fileContents.end())
|
|
{
|
|
// File content was given as a string
|
|
std::istringstream iss(_fileContents[ _filenames[c] ]);
|
|
preprocessor.preprocess(iss, filedata, configurations, fname, _settings._includePaths);
|
|
}
|
|
else
|
|
{
|
|
// Only file name was given, read the content from file
|
|
std::ifstream fin(fname.c_str());
|
|
Timer t("Preprocessor::preprocess", _settings._showtime, &S_timerResults);
|
|
preprocessor.preprocess(fin, filedata, configurations, fname, _settings._includePaths);
|
|
}
|
|
|
|
_settings.ifcfg = bool(configurations.size() > 1);
|
|
|
|
if (!_settings.userDefines.empty())
|
|
{
|
|
configurations.clear();
|
|
configurations.push_back(_settings.userDefines);
|
|
}
|
|
|
|
int checkCount = 0;
|
|
for (std::list<std::string>::const_iterator it = configurations.begin(); it != configurations.end(); ++it)
|
|
{
|
|
// Check only 12 first configurations, after that bail out, unless --force
|
|
// was used.
|
|
if (!_settings._force && checkCount > 11)
|
|
{
|
|
if (_settings._errorsOnly == false)
|
|
{
|
|
const std::string fixedpath = Path::toNativeSeparators(fname);
|
|
_errorLogger.reportOut(std::string("Bailing out from checking ") + fixedpath +
|
|
": Too many configurations. Recheck this file with --force if you want to check them all.");
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
cfg = *it;
|
|
Timer t("Preprocessor::getcode", _settings._showtime, &S_timerResults);
|
|
const std::string codeWithoutCfg = Preprocessor::getcode(filedata, *it, fname, &_errorLogger);
|
|
t.Stop();
|
|
|
|
// If only errors are printed, print filename after the check
|
|
if (_settings._errorsOnly == false && it != configurations.begin())
|
|
{
|
|
std::string fixedpath = Path::simplifyPath(fname);
|
|
fixedpath = Path::toNativeSeparators(fixedpath);
|
|
_errorLogger.reportOut(std::string("Checking ") + fixedpath + ": " + cfg + std::string("..."));
|
|
}
|
|
|
|
std::string appendCode = _settings.append();
|
|
if (!appendCode.empty())
|
|
Preprocessor::preprocessWhitespaces(appendCode);
|
|
|
|
checkFile(codeWithoutCfg + appendCode, _filenames[c].c_str());
|
|
++checkCount;
|
|
}
|
|
}
|
|
catch (std::runtime_error &e)
|
|
{
|
|
// Exception was thrown when checking this file..
|
|
const std::string fixedpath = Path::toNativeSeparators(fname);
|
|
_errorLogger.reportOut("Bailing out from checking " + fixedpath + ": " + e.what());
|
|
}
|
|
|
|
_errorLogger.reportStatus(c + 1, (unsigned int)_filenames.size());
|
|
}
|
|
|
|
// This generates false positives - especially for libraries
|
|
const bool verbose_orig = _settings._verbose;
|
|
_settings._verbose = false;
|
|
if (_settings.isEnabled("unusedFunctions") && _settings._jobs == 1)
|
|
{
|
|
_errout.str("");
|
|
if (_settings._errorsOnly == false)
|
|
_errorLogger.reportOut("Checking usage of global functions..");
|
|
|
|
_checkUnusedFunctions.check(this);
|
|
}
|
|
_settings._verbose = verbose_orig;
|
|
|
|
_errorList.clear();
|
|
return exitcode;
|
|
}
|
|
|
|
void CppCheck::analyseFile(std::istream &fin, const std::string &filename)
|
|
{
|
|
// Preprocess file..
|
|
Preprocessor preprocessor(&_settings, this);
|
|
std::list<std::string> configurations;
|
|
std::string filedata = "";
|
|
preprocessor.preprocess(fin, filedata, configurations, filename, _settings._includePaths);
|
|
const std::string code = Preprocessor::getcode(filedata, "", filename, &_errorLogger);
|
|
|
|
// Tokenize..
|
|
Tokenizer tokenizer(&_settings, this);
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, filename.c_str(), "");
|
|
tokenizer.simplifyTokenList();
|
|
|
|
// Analyse the tokens..
|
|
std::set<std::string> data;
|
|
for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
|
|
{
|
|
(*it)->analyse(tokenizer.tokens(), data);
|
|
}
|
|
|
|
// Save analysis results..
|
|
// TODO: This loop should be protected by a mutex or something like that
|
|
// The saveAnalysisData must _not_ be called from many threads at the same time.
|
|
for (std::list<Check *>::const_iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
|
|
{
|
|
(*it)->saveAnalysisData(data);
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
// CppCheck - A function that checks a specified file
|
|
//---------------------------------------------------------------------------
|
|
|
|
void CppCheck::checkFile(const std::string &code, const char FileName[])
|
|
{
|
|
if (_settings.terminated())
|
|
return;
|
|
|
|
Tokenizer _tokenizer(&_settings, this);
|
|
bool result;
|
|
|
|
// Tokenize the file
|
|
std::istringstream istr(code);
|
|
|
|
Timer timer("Tokenizer::tokenize", _settings._showtime, &S_timerResults);
|
|
result = _tokenizer.tokenize(istr, FileName, cfg);
|
|
timer.Stop();
|
|
if (!result)
|
|
{
|
|
// File had syntax errors, abort
|
|
return;
|
|
}
|
|
|
|
Timer timer2("Tokenizer::fillFunctionList", _settings._showtime, &S_timerResults);
|
|
_tokenizer.fillFunctionList();
|
|
timer2.Stop();
|
|
|
|
// call all "runChecks" in all registered Check classes
|
|
for (std::list<Check *>::iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
|
|
{
|
|
if (_settings.terminated())
|
|
return;
|
|
|
|
Timer timerRunChecks((*it)->name() + "::runChecks", _settings._showtime, &S_timerResults);
|
|
(*it)->runChecks(&_tokenizer, &_settings, this);
|
|
}
|
|
|
|
Timer timer3("Tokenizer::simplifyTokenList", _settings._showtime, &S_timerResults);
|
|
result = _tokenizer.simplifyTokenList();
|
|
timer3.Stop();
|
|
if (!result)
|
|
return;
|
|
|
|
Timer timer4("Tokenizer::fillFunctionList", _settings._showtime, &S_timerResults);
|
|
_tokenizer.fillFunctionList();
|
|
timer4.Stop();
|
|
|
|
if (_settings.isEnabled("unusedFunctions") && _settings._jobs == 1)
|
|
_checkUnusedFunctions.parseTokens(_tokenizer);
|
|
|
|
// call all "runSimplifiedChecks" in all registered Check classes
|
|
for (std::list<Check *>::iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
|
|
{
|
|
if (_settings.terminated())
|
|
return;
|
|
|
|
Timer timerSimpleChecks((*it)->name() + "::runSimplifiedChecks", _settings._showtime, &S_timerResults);
|
|
(*it)->runSimplifiedChecks(&_tokenizer, &_settings, this);
|
|
}
|
|
}
|
|
|
|
Settings CppCheck::settings() const
|
|
{
|
|
return _settings;
|
|
}
|
|
|
|
//---------------------------------------------------------------------------
|
|
|
|
void CppCheck::reportErr(const ErrorLogger::ErrorMessage &msg)
|
|
{
|
|
std::string errmsg = msg.toString();
|
|
|
|
// Alert only about unique errors
|
|
if (std::find(_errorList.begin(), _errorList.end(), errmsg) != _errorList.end())
|
|
return;
|
|
|
|
std::string file;
|
|
unsigned int line(0);
|
|
if (!msg._callStack.empty())
|
|
{
|
|
file = msg._callStack.back().getfile();
|
|
line = msg._callStack.back().line;
|
|
}
|
|
|
|
if (_settings.nomsg.isSuppressed(msg._id, file, line))
|
|
return;
|
|
|
|
if (!_settings.nofail.isSuppressed(msg._id, file, line))
|
|
exitcode = 1;
|
|
|
|
_errorList.push_back(errmsg);
|
|
std::string errmsg2(errmsg);
|
|
if (_settings._verbose)
|
|
{
|
|
errmsg2 += "\n Defines=\'" + cfg + "\'\n";
|
|
}
|
|
|
|
_errorLogger.reportErr(msg);
|
|
|
|
_errout << errmsg2 << std::endl;
|
|
}
|
|
|
|
void CppCheck::reportOut(const std::string &outmsg)
|
|
{
|
|
_errorLogger.reportOut(outmsg);
|
|
}
|
|
|
|
const std::vector<std::string> &CppCheck::filenames() const
|
|
{
|
|
return _filenames;
|
|
}
|
|
|
|
void CppCheck::reportProgress(const std::string &filename, const char stage[], const unsigned int value)
|
|
{
|
|
_errorLogger.reportProgress(filename, stage, value);
|
|
}
|
|
|
|
void CppCheck::reportStatus(unsigned int /*index*/, unsigned int /*max*/)
|
|
{
|
|
|
|
}
|
|
|
|
void CppCheck::getErrorMessages()
|
|
{
|
|
// call all "getErrorMessages" in all registered Check classes
|
|
std::cout << ErrorLogger::ErrorMessage::getXMLHeader();
|
|
for (std::list<Check *>::iterator it = Check::instances().begin(); it != Check::instances().end(); ++it)
|
|
{
|
|
(*it)->getErrorMessages();
|
|
}
|
|
|
|
Tokenizer tokenizer(&_settings, 0);
|
|
tokenizer.getErrorMessages();
|
|
|
|
std::cout << ErrorLogger::ErrorMessage::getXMLFooter() << std::endl;
|
|
}
|