381 lines
12 KiB
C++
381 lines
12 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";
|
|
}
|
|
|
|
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();
|
|
|
|
Preprocessor::getErrorMessages(std::cout);
|
|
|
|
std::cout << ErrorLogger::ErrorMessage::getXMLFooter() << std::endl;
|
|
}
|