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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2012 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 "cppcheckexecutor.h"
#include "cppcheck.h"
#include "threadexecutor.h"
#include "preprocessor.h"
#include "errorlogger.h"
#include <iostream>
#include <sstream>
#include <cstdlib> // EXIT_SUCCESS and EXIT_FAILURE
#include <cstring>
#include <algorithm>
#include <climits>
#include "cmdlineparser.h"
#include "filelister.h"
#include "path.h"
#include "pathmatch.h"
CppCheckExecutor::CppCheckExecutor()
: _settings(0), time1(0), errorlist(false)
{
}
CppCheckExecutor::~CppCheckExecutor()
{
}
bool CppCheckExecutor::parseFromArgs(CppCheck *cppcheck, int argc, const char* const argv[])
{
Settings& settings = cppcheck->settings();
CmdLineParser parser(&settings);
bool success = parser.ParseFromArgs(argc, argv);
if (success) {
if (parser.GetShowVersion() && !parser.GetShowErrorMessages()) {
const char * extraVersion = cppcheck->extraVersion();
if (*extraVersion != 0)
std::cout << "Cppcheck " << cppcheck->version() << " ("
<< extraVersion << ')' << std::endl;
else
std::cout << "Cppcheck " << cppcheck->version() << std::endl;
}
if (parser.GetShowErrorMessages()) {
errorlist = true;
std::cout << ErrorLogger::ErrorMessage::getXMLHeader(settings._xml_version);
cppcheck->getErrorMessages();
std::cout << ErrorLogger::ErrorMessage::getXMLFooter(settings._xml_version) << std::endl;
}
if (parser.ExitAfterPrinting())
std::exit(EXIT_SUCCESS);
} else {
std::exit(EXIT_FAILURE);
}
// Check that all include paths exist
{
std::list<std::string>::iterator iter;
for (iter = settings._includePaths.begin();
iter != settings._includePaths.end();
) {
const std::string path(Path::toNativeSeparators(*iter));
if (FileLister::isDirectory(path))
++iter;
else {
// If the include path is not found, warn user and remove the
// non-existing path from the list.
std::cout << "cppcheck: warning: Couldn't find path given by -I '" << path << '\'' << std::endl;
iter = settings._includePaths.erase(iter);
}
}
}
const std::vector<std::string>& pathnames = parser.GetPathNames();
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)
FileLister::recursiveAddFiles(_files, Path::toNativeSeparators(*iter));
}
if (!_files.empty()) {
// Remove header files from the list of ignored files.
// Also output a warning for the user.
// TODO: Remove all unknown files? (use FileLister::acceptFile())
bool warn = false;
std::vector<std::string> ignored = parser.GetIgnoredPaths();
for (std::vector<std::string>::iterator i = ignored.begin(); i != ignored.end();) {
const std::string extension = Path::getFilenameExtension(*i);
if (extension == ".h" || extension == ".hpp") {
i = ignored.erase(i);
warn = true;
} else
++i;
}
if (warn) {
std::cout << "cppcheck: filename exclusion does not apply to header (.h and .hpp) files." << std::endl;
std::cout << "cppcheck: Please use --suppress for ignoring results from the header files." << std::endl;
}
#if defined(_WIN32)
// For Windows we want case-insensitive path matching
const bool caseSensitive = false;
#else
const bool caseSensitive = true;
#endif
PathMatch matcher(parser.GetIgnoredPaths(), caseSensitive);
for (std::map<std::string, std::size_t>::iterator i = _files.begin(); i != _files.end();) {
if (matcher.Match(i->first))
_files.erase(i++);
else
++i;
}
} else {
std::cout << "cppcheck: error: could not find or open any of the paths given." << std::endl;
return false;
}
if (!_files.empty()) {
return true;
} else {
std::cout << "cppcheck: error: no files to check - all paths ignored." << std::endl;
return false;
}
}
int CppCheckExecutor::check(int argc, const char* const argv[])
{
Preprocessor::missingIncludeFlag = false;
CppCheck cppCheck(*this, true);
Settings& settings = cppCheck.settings();
_settings = &settings;
if (!parseFromArgs(&cppCheck, argc, argv)) {
return EXIT_FAILURE;
}
if (settings.reportProgress)
time1 = std::time(0);
if (settings._xml) {
reportErr(ErrorLogger::ErrorMessage::getXMLHeader(settings._xml_version));
}
unsigned int returnValue = 0;
if (settings._jobs == 1) {
// Single process
std::size_t totalfilesize = 0;
for (std::map<std::string, std::size_t>::const_iterator i = _files.begin(); i != _files.end(); ++i) {
totalfilesize += i->second;
}
std::size_t processedsize = 0;
unsigned int c = 0;
for (std::map<std::string, std::size_t>::const_iterator i = _files.begin(); i != _files.end(); ++i) {
returnValue += cppCheck.check(i->first);
processedsize += i->second;
if (!settings._errorsOnly)
reportStatus(c + 1, _files.size(), processedsize, totalfilesize);
c++;
}
cppCheck.checkFunctionUsage();
} else if (!ThreadExecutor::isEnabled()) {
std::cout << "No thread support yet implemented for this platform." << std::endl;
} else {
// Multiple processes
ThreadExecutor executor(_files, settings, *this);
returnValue = executor.check();
}
if (!settings.checkConfiguration) {
if (!settings._errorsOnly)
reportUnmatchedSuppressions(settings.nomsg.getUnmatchedGlobalSuppressions());
if (settings.isEnabled("missingInclude") && Preprocessor::missingIncludeFlag) {
const std::list<ErrorLogger::ErrorMessage::FileLocation> callStack;
ErrorLogger::ErrorMessage msg(callStack,
Severity::information,
"Cppcheck cannot find all the include files (use --check-config for details)\n"
"Cppcheck cannot find all the include files. Cppcheck can check the code without the "
"include files found. But the results will probably be more accurate if all the include "
"files are found. Please check your project's include directories and add all of them "
"as include directories for Cppcheck. To see what files Cppcheck cannot find use "
"--check-config.",
"missingInclude",
false);
reportInfo(msg);
}
}
if (settings._xml) {
reportErr(ErrorLogger::ErrorMessage::getXMLFooter(settings._xml_version));
}
_settings = 0;
if (returnValue)
return settings._exitCode;
else
return 0;
}
void CppCheckExecutor::reportErr(const std::string &errmsg)
{
// Alert only about unique errors
if (_errorList.find(errmsg) != _errorList.end())
return;
_errorList.insert(errmsg);
std::cerr << errmsg << std::endl;
}
void CppCheckExecutor::reportOut(const std::string &outmsg)
{
std::cout << outmsg << std::endl;
}
void CppCheckExecutor::reportProgress(const std::string &filename, const char stage[], const std::size_t value)
{
(void)filename;
if (!time1)
return;
// Report progress messages every 10 seconds
const std::time_t time2 = std::time(NULL);
if (time2 >= (time1 + 10)) {
time1 = time2;
// current time in the format "Www Mmm dd hh:mm:ss yyyy"
const std::string str(std::ctime(&time2));
// format a progress message
std::ostringstream ostr;
ostr << "progress: "
<< stage
<< ' ' << value << '%';
if (_settings->_verbose)
ostr << " time=" << str.substr(11, 8);
// Report progress message
reportOut(ostr.str());
}
}
void CppCheckExecutor::reportInfo(const ErrorLogger::ErrorMessage &msg)
{
reportErr(msg);
}
void CppCheckExecutor::reportStatus(std::size_t fileindex, std::size_t filecount, std::size_t sizedone, std::size_t sizetotal)
{
if (filecount > 1) {
std::ostringstream oss;
oss << fileindex << '/' << filecount
<< " files checked " <<
(sizetotal > 0 ? static_cast<long>(static_cast<long double>(sizedone) / sizetotal*100) : 0)
<< "% done";
std::cout << oss.str() << std::endl;
}
}
void CppCheckExecutor::reportErr(const ErrorLogger::ErrorMessage &msg)
{
if (errorlist) {
reportOut(msg.toXML(false, _settings->_xml_version));
} else if (_settings->_xml) {
reportErr(msg.toXML(_settings->_verbose, _settings->_xml_version));
} else {
reportErr(msg.toString(_settings->_verbose, _settings->_outputFormat));
}
}
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