cppcheck/gui/threadhandler.cpp at master · 2php/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 <QObject>

#include <QFileInfo>

#include <QStringList>

#include <QDebug>

#include "common.h"

#include "settings.h"

#include "checkthread.h"

#include "threadhandler.h"

#include "resultsview.h"

ThreadHandler::ThreadHandler(QObject *parent) :

QObject(parent),

mScanDuration(0),

mRunningThreadCount(0),

mAnalyseWholeProgram(false)

{

setThreadCount(1);

}

ThreadHandler::~ThreadHandler()

{

removeThreads();

}

void ThreadHandler::clearFiles()

{

mLastFiles.clear();

mResults.clearFiles();

mAnalyseWholeProgram = false;

mAddonsAndTools.clear();

mSuppressions.clear();

}

void ThreadHandler::setFiles(const QStringList &files)

{

mResults.setFiles(files);

mLastFiles = files;

}

void ThreadHandler::setProject(const ImportProject &prj)

{

mResults.setProject(prj);

mLastFiles.clear();

}

void ThreadHandler::setCheckFiles(bool all)

{

if (mRunningThreadCount == 0) {

mResults.setFiles(getReCheckFiles(all));

}

void ThreadHandler::setCheckFiles(QStringList files)

{

if (mRunningThreadCount == 0) {

mResults.setFiles(files);

}

void ThreadHandler::check(const Settings &settings)

{

if (mResults.getFileCount() == 0 || mRunningThreadCount > 0 || settings.jobs == 0) {

qDebug() << "Can't start checking if there's no files to check or if check is in progress.";

emit done();

return;

}

setThreadCount(settings.jobs);

mRunningThreadCount = mThreads.size();

if (mResults.getFileCount() < mRunningThreadCount) {

mRunningThreadCount = mResults.getFileCount();

}

for (int i = 0; i < mRunningThreadCount; i++) {

mThreads[i]->setAddonsAndTools(mAddonsAndTools);

mThreads[i]->setMisraFile(mMisraFile);

mThreads[i]->setSuppressions(mSuppressions);

mThreads[i]->setClangIncludePaths(mClangIncludePaths);

mThreads[i]->setDataDir(mDataDir);

mThreads[i]->check(settings);

}

// Date and time when checking starts..

mCheckStartTime = QDateTime::currentDateTime();

mAnalyseWholeProgram = true;

mTime.start();

}

bool ThreadHandler::isChecking() const

{

return mRunningThreadCount > 0;

}

void ThreadHandler::setThreadCount(const int count)

{

if (mRunningThreadCount > 0 ||

count == mThreads.size() ||

count <= 0) {

return;

}

//Remove unused old threads

removeThreads();

//Create new threads

for (int i = mThreads.size(); i < count; i++) {

mThreads << new CheckThread(mResults);

connect(mThreads.last(), &CheckThread::done,

this, &ThreadHandler::threadDone);

connect(mThreads.last(), &CheckThread::fileChecked,

&mResults, &ThreadResult::fileChecked);

}

void ThreadHandler::removeThreads()

{

for (int i = 0; i < mThreads.size(); i++) {

mThreads[i]->terminate();

disconnect(mThreads[i], &CheckThread::done,

this, &ThreadHandler::threadDone);

disconnect(mThreads[i], &CheckThread::fileChecked,

&mResults, &ThreadResult::fileChecked);

delete mThreads[i];

}

mThreads.clear();

mAnalyseWholeProgram = false;

}

void ThreadHandler::threadDone()

{

if (mRunningThreadCount == 1 && mAnalyseWholeProgram) {

mThreads[0]->analyseWholeProgram(mLastFiles);

mAnalyseWholeProgram = false;

return;

}

mRunningThreadCount--;

if (mRunningThreadCount == 0) {

emit done();

mScanDuration = mTime.elapsed();

// Set date/time used by the recheck

if (!mCheckStartTime.isNull()) {

mLastCheckTime = mCheckStartTime;

mCheckStartTime = QDateTime();

}

void ThreadHandler::stop()

{

mCheckStartTime = QDateTime();

mAnalyseWholeProgram = false;

for (int i = 0; i < mThreads.size(); i++) {

mThreads[i]->stop();

}

void ThreadHandler::initialize(ResultsView *view)

{

connect(&mResults, &ThreadResult::progress,

view, &ResultsView::progress);

connect(&mResults, &ThreadResult::error,

view, &ResultsView::error);

connect(&mResults, &ThreadResult::log,

this, &ThreadHandler::log);

connect(&mResults, &ThreadResult::debugError,

this, &ThreadHandler::debugError);

}

void ThreadHandler::loadSettings(QSettings &settings)

{

setThreadCount(settings.value(SETTINGS_CHECK_THREADS, 1).toInt());

}

void ThreadHandler::saveSettings(QSettings &settings) const

{

settings.setValue(SETTINGS_CHECK_THREADS, mThreads.size());

}

bool ThreadHandler::hasPreviousFiles() const

{

return !mLastFiles.isEmpty();

}

int ThreadHandler::getPreviousFilesCount() const

{

return mLastFiles.size();

}

int ThreadHandler::getPreviousScanDuration() const

{

return mScanDuration;

}

QStringList ThreadHandler::getReCheckFiles(bool all) const

{

if (mLastCheckTime.isNull() || all)

return mLastFiles;

std::set<QString> modified;

std::set<QString> unmodified;

QStringList files;

for (int i = 0; i < mLastFiles.size(); ++i) {

if (needsReCheck(mLastFiles[i], modified, unmodified))

files.push_back(mLastFiles[i]);

}

return files;

}

bool ThreadHandler::needsReCheck(const QString &filename, std::set<QString> &modified, std::set<QString> &unmodified) const

{

if (modified.find(filename) != modified.end())

return true;

if (unmodified.find(filename) != unmodified.end())

return false;

if (QFileInfo(filename).lastModified() > mLastCheckTime) {

return true;

}

// Parse included files recursively

QFile f(filename);

if (!f.open(QIODevice::ReadOnly | QIODevice::Text))

return false;

// prevent recursion..

unmodified.insert(filename);

QTextStream in(&f);

while (!in.atEnd()) {

QString line = in.readLine();

if (line.startsWith("#include \"")) {

line.remove(0,10);

int i = line.indexOf("\"");

if (i > 0) {

line.remove(i,line.length());

line = QFileInfo(filename).absolutePath() + "/" + line;

if (needsReCheck(line, modified, unmodified)) {

modified.insert(line);

return true;

}

return false;

}

QDateTime ThreadHandler::getCheckStartTime() const

{

return mCheckStartTime;

}

void ThreadHandler::setCheckStartTime(QDateTime checkStartTime)

{

mCheckStartTime = checkStartTime;

}

cppcheck/gui/threadhandler.cpp at master · 2php/cppcheck · GitHub

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