cppcheck/cli/threadexecutor.cpp at 2.9.x · cppcheck-opensource/cppcheck · GitHub

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

* 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 "threadexecutor.h"

#include "color.h"

#include "cppcheck.h"

#include "cppcheckexecutor.h"

#include "errorlogger.h"

#include "importproject.h"

#include "settings.h"

#include "suppressions.h"

#include <algorithm>

#include <cstdlib>

#include <functional>

#include <future>

#include <iostream>

#include <list>

#include <numeric>

#include <mutex>

#include <system_error>

#include <utility>

#include <vector>

ThreadExecutor::ThreadExecutor(const std::map<std::string, std::size_t> &files, Settings &settings, ErrorLogger &errorLogger)

: Executor(files, settings, errorLogger)

{}

ThreadExecutor::~ThreadExecutor()

{}

class ThreadExecutor::SyncLogForwarder : public ErrorLogger

{

public:

explicit SyncLogForwarder(ThreadExecutor &threadExecutor)

: mThreadExecutor(threadExecutor), mProcessedFiles(0), mTotalFiles(0), mProcessedSize(0), mTotalFileSize(0) {

mItNextFile = mThreadExecutor.mFiles.begin();

mItNextFileSettings = mThreadExecutor.mSettings.project.fileSettings.begin();

mTotalFiles = mThreadExecutor.mFiles.size() + mThreadExecutor.mSettings.project.fileSettings.size();

for (std::map<std::string, std::size_t>::const_iterator i = mThreadExecutor.mFiles.begin(); i != mThreadExecutor.mFiles.end(); ++i) {

mTotalFileSize += i->second;

}

void reportOut(const std::string &outmsg, Color c) override

{

std::lock_guard<std::mutex> lg(mReportSync);

mThreadExecutor.mErrorLogger.reportOut(outmsg, c);

}

void reportErr(const ErrorMessage &msg) override {

report(msg, MessageType::REPORT_ERROR);

}

void reportInfo(const ErrorMessage &msg) override {

report(msg, MessageType::REPORT_INFO);

}

ThreadExecutor &mThreadExecutor;

std::map<std::string, std::size_t>::const_iterator mItNextFile;

std::list<ImportProject::FileSettings>::const_iterator mItNextFileSettings;

std::size_t mProcessedFiles;

std::size_t mTotalFiles;

std::size_t mProcessedSize;

std::size_t mTotalFileSize;

std::mutex mFileSync;

std::mutex mErrorSync;

std::mutex mReportSync;

private:

enum class MessageType {REPORT_ERROR, REPORT_INFO};

void report(const ErrorMessage &msg, MessageType msgType)

{

if (mThreadExecutor.mSettings.nomsg.isSuppressed(msg.toSuppressionsErrorMessage()))

return;

// Alert only about unique errors

bool reportError = false;

const std::string errmsg = msg.toString(mThreadExecutor.mSettings.verbose);

{

std::lock_guard<std::mutex> lg(mErrorSync);

if (std::find(mThreadExecutor.mErrorList.begin(), mThreadExecutor.mErrorList.end(), errmsg) == mThreadExecutor.mErrorList.end()) {

mThreadExecutor.mErrorList.emplace_back(errmsg);

reportError = true;

}

if (reportError) {

std::lock_guard<std::mutex> lg(mReportSync);

switch (msgType) {

case MessageType::REPORT_ERROR:

mThreadExecutor.mErrorLogger.reportErr(msg);

break;

case MessageType::REPORT_INFO:

mThreadExecutor.mErrorLogger.reportInfo(msg);

break;

}

};

unsigned int ThreadExecutor::check()

{

std::vector<std::future<unsigned int>> threadFutures;

threadFutures.reserve(mSettings.jobs);

SyncLogForwarder logforwarder(*this);

for (unsigned int i = 0; i < mSettings.jobs; ++i) {

try {

threadFutures.emplace_back(std::async(std::launch::async, threadProc, &logforwarder));

}

catch (const std::system_error &e) {

std::cerr << "#### ThreadExecutor::check exception :" << e.what() << std::endl;

exit(EXIT_FAILURE);

}

return std::accumulate(threadFutures.begin(), threadFutures.end(), 0U, [](unsigned int v, std::future<unsigned int>& f) {

return v + f.get();

});

}

unsigned int STDCALL ThreadExecutor::threadProc(SyncLogForwarder* logForwarder)

{

unsigned int result = 0;

std::map<std::string, std::size_t>::const_iterator &itFile = logForwarder->mItNextFile;

std::list<ImportProject::FileSettings>::const_iterator &itFileSettings = logForwarder->mItNextFileSettings;

// guard static members of CppCheck against concurrent access

logForwarder->mFileSync.lock();

for (;;) {

if (itFile == logForwarder->mThreadExecutor.mFiles.end() && itFileSettings == logForwarder->mThreadExecutor.mSettings.project.fileSettings.end()) {

logForwarder->mFileSync.unlock();

break;

}

CppCheck fileChecker(*logForwarder, false, CppCheckExecutor::executeCommand);

fileChecker.settings() = logForwarder->mThreadExecutor.mSettings;

std::size_t fileSize = 0;

if (itFile != logForwarder->mThreadExecutor.mFiles.end()) {

const std::string &file = itFile->first;

fileSize = itFile->second;

++itFile;

logForwarder->mFileSync.unlock();

// Read file from a file

result += fileChecker.check(file);

} else { // file settings..

const ImportProject::FileSettings &fs = *itFileSettings;

++itFileSettings;

logForwarder->mFileSync.unlock();

result += fileChecker.check(fs);

if (logForwarder->mThreadExecutor.mSettings.clangTidy)

fileChecker.analyseClangTidy(fs);

}

logForwarder->mFileSync.lock();

logForwarder->mProcessedSize += fileSize;

logForwarder->mProcessedFiles++;

if (!logForwarder->mThreadExecutor.mSettings.quiet) {

std::lock_guard<std::mutex> lg(logForwarder->mReportSync);

CppCheckExecutor::reportStatus(logForwarder->mProcessedFiles, logForwarder->mTotalFiles, logForwarder->mProcessedSize, logForwarder->mTotalFileSize);

}

return result;

}

cppcheck/cli/threadexecutor.cpp at 2.9.x · cppcheck-opensource/cppcheck · GitHub

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