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Copy paththreadexecutor.cpp
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221 lines (185 loc) · 7.32 KB
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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2026 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 "threadexecutor.h"
#ifdef HAS_THREADING_MODEL_THREAD
#include "config.h"
#include "cppcheck.h"
#include "errorlogger.h"
#include "filesettings.h"
#include "settings.h"
#include "suppressions.h"
#include <cassert>
#include <cstdlib>
#include <future>
#include <iostream>
#include <list>
#include <numeric>
#include <mutex>
#include <string>
#include <system_error>
#include <utility>
#include <vector>
ThreadExecutor::ThreadExecutor(const std::list<FileWithDetails> &files, const std::list<FileSettings>& fileSettings, const Settings &settings, Suppressions &suppressions, ErrorLogger &errorLogger, TimerResults* timerResults, CppCheck::ExecuteCmdFn executeCommand)
: Executor(files, fileSettings, settings, suppressions, errorLogger, timerResults)
, mExecuteCommand(std::move(executeCommand))
{
assert(mSettings.jobs > 1);
}
class SyncLogForwarder : public ErrorLogger
{
public:
explicit SyncLogForwarder(ThreadExecutor &threadExecutor, ErrorLogger &errorLogger)
: mThreadExecutor(threadExecutor), mErrorLogger(errorLogger) {}
void reportOut(const std::string &outmsg, Color c) override
{
std::lock_guard<std::mutex> lg(mReportSync);
mErrorLogger.reportOut(outmsg, c);
}
void reportErr(const ErrorMessage &msg) override {
if (!mThreadExecutor.hasToLog(msg))
return;
std::lock_guard<std::mutex> lg(mReportSync);
mErrorLogger.reportErr(msg);
}
void reportMetric(const std::string &metric) override {
std::lock_guard<std::mutex> lg(mReportSync);
mErrorLogger.reportMetric(metric);
}
void reportStatus(std::size_t fileindex, std::size_t filecount, std::size_t sizedone, std::size_t sizetotal) {
std::lock_guard<std::mutex> lg(mReportSync);
mThreadExecutor.reportStatus(fileindex, filecount, sizedone, sizetotal);
}
private:
std::mutex mReportSync;
ThreadExecutor &mThreadExecutor;
ErrorLogger &mErrorLogger;
};
class ThreadData
{
public:
ThreadData(ThreadExecutor &threadExecutor, ErrorLogger &errorLogger, TimerResults *timerResults, const Settings &settings, Suppressions& supprs, const std::list<FileWithDetails> &files, const std::list<FileSettings> &fileSettings, CppCheck::ExecuteCmdFn executeCommand)
: mFiles(files), mFileSettings(fileSettings), mTimerResults(timerResults), mSettings(settings), mSuppressions(supprs), mExecuteCommand(std::move(executeCommand)), mLogForwarder(threadExecutor, errorLogger)
{
mItNextFile = mFiles.begin();
mItNextFileSettings = mFileSettings.begin();
mTotalFiles = mFiles.size() + mFileSettings.size();
mTotalFileSize = std::accumulate(mFiles.cbegin(), mFiles.cend(), std::size_t(0), [](std::size_t v, const FileWithDetails& p) {
return v + p.size();
});
}
bool next(const FileWithDetails *&file, const FileSettings *&fs, std::size_t &fileSize) {
std::lock_guard<std::mutex> l(mFileSync);
if (mItNextFile != mFiles.end()) {
file = &(*mItNextFile);
fs = nullptr;
fileSize = mItNextFile->size();
++mItNextFile;
return true;
}
if (mItNextFileSettings != mFileSettings.end()) {
file = nullptr;
fs = &(*mItNextFileSettings);
fileSize = 0;
++mItNextFileSettings;
return true;
}
return false;
}
unsigned int check(const FileWithDetails *file, const FileSettings *fs) {
CppCheck fileChecker(mSettings, mSuppressions, mLogForwarder, mTimerResults, false, mExecuteCommand);
unsigned int result;
if (fs) {
// file settings..
result = fileChecker.check(*fs);
} else {
// Read file from a file
result = fileChecker.check(*file);
}
for (const auto& suppr : mSuppressions.nomsg.getSuppressions()) {
// need to transfer all inline suppressions because these are used later on
if (suppr.isInline) {
const std::string err = mSuppressions.nomsg.addSuppression(suppr);
if (!err.empty()) {
// TODO: only update state if it doesn't exist - otherwise propagate error
mSuppressions.nomsg.updateSuppressionState(suppr); // TODO: check result
}
continue;
}
// propagate state of global suppressions
if (!suppr.isLocal()) {
mSuppressions.nomsg.updateSuppressionState(suppr); // TODO: check result
continue;
}
}
return result;
}
void status(std::size_t fileSize) {
std::lock_guard<std::mutex> l(mFileSync);
mProcessedSize += fileSize;
mProcessedFiles++;
if (!mSettings.quiet)
mLogForwarder.reportStatus(mProcessedFiles, mTotalFiles, mProcessedSize, mTotalFileSize);
}
private:
const std::list<FileWithDetails> &mFiles;
std::list<FileWithDetails>::const_iterator mItNextFile;
const std::list<FileSettings> &mFileSettings;
std::list<FileSettings>::const_iterator mItNextFileSettings;
std::size_t mProcessedFiles{};
std::size_t mTotalFiles{};
std::size_t mProcessedSize{};
std::size_t mTotalFileSize{};
std::mutex mFileSync;
TimerResults *mTimerResults;
const Settings &mSettings;
Suppressions &mSuppressions;
CppCheck::ExecuteCmdFn mExecuteCommand;
SyncLogForwarder mLogForwarder;
};
static unsigned int STDCALL threadProc(ThreadData *data)
{
unsigned int result = 0;
const FileWithDetails *file;
const FileSettings *fs;
std::size_t fileSize;
while (data->next(file, fs, fileSize)) {
result += data->check(file, fs);
data->status(fileSize);
}
return result;
}
unsigned int ThreadExecutor::check()
{
std::vector<std::future<unsigned int>> threadFutures;
threadFutures.reserve(mSettings.jobs);
ThreadData data(*this, mErrorLogger, mTimerResults, mSettings, mSuppressions, mFiles, mFileSettings, mExecuteCommand);
for (unsigned int i = 0; i < mSettings.jobs; ++i) {
try {
threadFutures.emplace_back(std::async(std::launch::async, &threadProc, &data));
}
catch (const std::system_error &e) {
std::cerr << "#### ThreadExecutor::check exception :" << e.what() << std::endl;
exit(EXIT_FAILURE);
}
}
unsigned int result = std::accumulate(threadFutures.begin(), threadFutures.end(), 0U, [](unsigned int v, std::future<unsigned int>& f) {
return v + f.get();
});
return result;
}
#endif // HAS_THREADING_MODEL_THREAD