cppcheck/gui/checkthread.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2016 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/>.
*/
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#include <QString>
#include <QDebug>
#include <QDir>
#include <QFileInfo>
#include <QProcess>
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#include "checkthread.h"
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#include "erroritem.h"
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#include "threadresult.h"
#include "cppcheck.h"
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static const char CLANG[] = "clang";
static const char CLANGTIDY[] = "clang-tidy";
CheckThread::CheckThread(ThreadResult &result) :
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mState(Ready),
mResult(result),
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mCppcheck(result, true),
mAnalyseWholeProgram(false)
{
//ctor
}
CheckThread::~CheckThread()
{
//dtor
}
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void CheckThread::check(const Settings &settings)
{
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mFiles.clear();
mCppcheck.settings() = settings;
start();
}
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void CheckThread::analyseWholeProgram(const QStringList &files)
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{
mFiles = files;
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mAnalyseWholeProgram = true;
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start();
}
void CheckThread::run()
{
mState = Running;
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if (!mFiles.isEmpty() || mAnalyseWholeProgram) {
mAnalyseWholeProgram = false;
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qDebug() << "Whole program analysis";
const std::string &buildDir = mCppcheck.settings().buildDir;
if (!buildDir.empty()) {
std::map<std::string,std::size_t> files2;
for (QString file : mFiles)
files2[file.toStdString()] = 0;
mCppcheck.analyseWholeProgram(buildDir, files2);
}
mFiles.clear();
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emit done();
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return;
}
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const QString addonPath = getAddonPath();
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QString file = mResult.getNextFile();
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while (!file.isEmpty() && mState == Running) {
qDebug() << "Checking file" << file;
mCppcheck.check(file.toStdString());
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runAddons(addonPath, nullptr, file);
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emit fileChecked(file);
if (mState == Running)
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file = mResult.getNextFile();
}
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ImportProject::FileSettings fileSettings = mResult.getNextFileSettings();
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while (!fileSettings.filename.empty() && mState == Running) {
file = QString::fromStdString(fileSettings.filename);
qDebug() << "Checking file" << file;
mCppcheck.check(fileSettings);
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runAddons(addonPath, &fileSettings, QString::fromStdString(fileSettings.filename));
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emit fileChecked(file);
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if (mState == Running)
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fileSettings = mResult.getNextFileSettings();
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}
if (mState == Running)
mState = Ready;
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else
mState = Stopped;
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emit done();
}
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void CheckThread::runAddons(const QString &addonPath, const ImportProject::FileSettings *fileSettings, const QString &fileName)
{
QString dumpFile;
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foreach (const QString addon, mAddons) {
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if (addon == CLANG || addon == CLANGTIDY) {
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if (!fileSettings)
continue;
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QStringList args;
#ifdef Q_OS_WIN
// To create compile_commands.json in windows see:
// https://bitsmaker.gitlab.io/post/clang-tidy-from-vs2015/
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// TODO: Replace the "QDir::homePath()"
args << "-isystem" << (QDir::homePath() + "/include");
args << "-isystem" << (QDir::homePath() + "/include/c++");
args << "-isystem" << (QDir::homePath() + "/include/c++/i686-w64-mingw32");
args << "-fno-ms-compatibility";
#endif
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for (std::list<std::string>::const_iterator I = fileSettings->includePaths.begin(); I != fileSettings->includePaths.end(); ++I)
args << ("-I" + QString::fromStdString(*I));
for (std::list<std::string>::const_iterator i = fileSettings->systemIncludePaths.begin(); i != fileSettings->systemIncludePaths.end(); ++i)
args << "-isystem" << QString::fromStdString(*i);
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foreach (QString D, QString::fromStdString(fileSettings->defines).split(";")) {
args << ("-D" + D);
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}
if (!fileSettings->standard.empty())
args << (" -std=" + QString::fromStdString(fileSettings->standard));
QString analyzerInfoFile;
const std::string &buildDir = mCppcheck.settings().buildDir;
if (!buildDir.empty()) {
analyzerInfoFile = QString::fromStdString(AnalyzerInformation::getAnalyzerInfoFile(buildDir, fileSettings->filename, fileSettings->cfg));
const QString cmd(mClangPath.isEmpty() ? QString("clang") : (mClangPath + "/clang.exe"));
QStringList args2(args);
args2.insert(0,"-E");
args2 << fileName;
qDebug() << cmd << args2;
QProcess process;
process.start(cmd,args2);
process.waitForFinished();
const QByteArray &ba = process.readAllStandardOutput();
const quint16 chksum = qChecksum(ba.data(), ba.length());
QFile f1(analyzerInfoFile + '.' + addon + "-E");
if (f1.open(QIODevice::ReadOnly | QIODevice::Text)) {
QTextStream in1(&f1);
const quint16 oldchksum = in1.readAll().toInt();
if (oldchksum == chksum) {
QFile f2(analyzerInfoFile + '.' + addon + "-results");
if (f2.open(QIODevice::ReadOnly | QIODevice::Text)) {
QTextStream in2(&f2);
parseClangErrors(fileName, in2.readAll());
continue;
}
}
f1.close();
}
f1.open(QIODevice::WriteOnly | QIODevice::Text);
QTextStream out1(&f1);
out1 << chksum;
QFile::remove(analyzerInfoFile + '.' + addon + "-results");
}
if (addon == CLANG) {
args.insert(0,"--analyze");
args.insert(1, "-Xanalyzer");
args.insert(2, "-analyzer-output=text");
args << fileName;
} else {
args.insert(0,"-checks=*,-clang*,-llvm*");
args.insert(1, fileName);
args.insert(2, "--");
}
const QString cmd(mClangPath.isEmpty() ? addon : (mClangPath + '/' + addon + ".exe"));
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{
QString debug(cmd);
foreach (QString arg, args) {
debug += ' ' + arg;
}
qDebug() << debug;
}
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QProcess process;
process.start(cmd, args);
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process.waitForFinished(600*1000);
const QString errout(addon == CLANG ? process.readAllStandardError() : process.readAllStandardOutput());
if (!analyzerInfoFile.isEmpty()) {
QFile f(analyzerInfoFile + '.' + addon + "-results");
if (f.open(QIODevice::WriteOnly | QIODevice::Text)) {
QTextStream out(&f);
out << errout;
}
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}
parseClangErrors(fileName, errout);
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} else {
QString a;
if (QFileInfo(addonPath + '/' + addon + ".py").exists())
a = addonPath + '/' + addon + ".py";
else if (QFileInfo(addonPath + '/' + addon + '/' + addon + ".py").exists())
a = addonPath + '/' + addon + '/' + addon + ".py";
else
continue;
if (dumpFile.isEmpty()) {
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const std::string buildDir = mCppcheck.settings().buildDir;
mCppcheck.settings().buildDir.clear();
mCppcheck.settings().dump = true;
if (!buildDir.empty()) {
mCppcheck.settings().dumpFile = AnalyzerInformation::getAnalyzerInfoFile(buildDir, fileName.toStdString(), fileSettings ? fileSettings->cfg : std::string()) + ".dump";
dumpFile = QString::fromStdString(mCppcheck.settings().dumpFile);
} else {
dumpFile = fileName + ".dump";
}
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if (fileSettings)
mCppcheck.check(*fileSettings);
else
mCppcheck.check(fileName.toStdString());
mCppcheck.settings().dump = false;
mCppcheck.settings().dumpFile.clear();
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mCppcheck.settings().buildDir = buildDir;
}
QString cmd = "python " + a + ' ' + dumpFile;
qDebug() << cmd;
QProcess process;
process.start(cmd);
process.waitForFinished();
parseAddonErrors(process.readAllStandardError(), addon);
}
}
}
void CheckThread::stop()
{
mState = Stopping;
mCppcheck.terminate();
}
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QString CheckThread::getAddonPath() const
{
if (QFileInfo(mDataDir + "/threadsafety.py").exists())
return mDataDir;
else if (QDir(mDataDir + "/addons").exists())
return mDataDir + "/addons";
else if (mDataDir.endsWith("/cfg")) {
if (QDir(mDataDir.mid(0,mDataDir.size()-3) + "addons").exists())
return mDataDir.mid(0,mDataDir.size()-3) + "addons";
}
return QString();
}
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void CheckThread::parseAddonErrors(QString err, QString tool)
{
QTextStream in(&err, QIODevice::ReadOnly);
while (!in.atEnd()) {
QString line = in.readLine();
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QRegExp r1("\\[([^:]+):([0-9]+)\\](.*)");
if (!r1.exactMatch(line))
continue;
const std::string &filename = r1.cap(1).toStdString();
const int lineNumber = r1.cap(2).toInt();
std::string message, id;
QRegExp r2("(.*)\\[([a-zA-Z0-9\\-\\._]+)\\]");
if (r2.exactMatch(r1.cap(3))) {
message = r2.cap(1).toStdString();
id = tool.toStdString() + '-' + r2.cap(2).toStdString();
} else {
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message = r1.cap(3).toStdString();
id = tool.toStdString();
}
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std::list<ErrorLogger::ErrorMessage::FileLocation> callstack;
callstack.push_back(ErrorLogger::ErrorMessage::FileLocation(filename, lineNumber));
ErrorLogger::ErrorMessage errmsg(callstack, filename, Severity::style, message, id, false);
mResult.reportErr(errmsg);
}
}
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void CheckThread::parseClangErrors(const QString &file0, QString err)
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{
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QList<ErrorItem> errorItems;
ErrorItem errorItem;
QRegExp r1("(.+):([0-9]+):[0-9]+: (note|warning|error|fatal error): (.*)");
QRegExp r2("(.*)\\[([a-zA-Z0-9\\-_\\.]+)\\]");
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QTextStream in(&err, QIODevice::ReadOnly);
while (!in.atEnd()) {
QString line = in.readLine();
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if (!r1.exactMatch(line))
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continue;
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if (r1.cap(3) != "note") {
errorItems.append(errorItem);
errorItem = ErrorItem();
}
errorItem.errorPath.append(QErrorPathItem());
errorItem.errorPath.last().file = r1.cap(1);
errorItem.errorPath.last().line = r1.cap(2).toInt();
if (r1.cap(3) == "warning")
errorItem.severity = Severity::SeverityType::warning;
else if (r1.cap(3) == "error" || r1.cap(3) == "fatal error")
errorItem.severity = Severity::SeverityType::error;
QString message,id;
if (r2.exactMatch(r1.cap(4))) {
message = r2.cap(1);
id = r2.cap(2);
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} else {
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message = r1.cap(4);
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id = CLANG;
}
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if (errorItem.errorPath.size() == 1) {
errorItem.message = message;
errorItem.errorId = id;
}
errorItem.errorPath.last().info = message;
}
errorItems.append(errorItem);
foreach (const ErrorItem &e, errorItems) {
if (e.errorPath.isEmpty())
continue;
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std::list<ErrorLogger::ErrorMessage::FileLocation> callstack;
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foreach (const QErrorPathItem &path, e.errorPath) {
callstack.push_back(ErrorLogger::ErrorMessage::FileLocation(path.file.toStdString(), path.info.toStdString(), path.line));
}
ErrorLogger::ErrorMessage errmsg(callstack, file0.toStdString(), errorItem.severity, errorItem.message.toStdString(), errorItem.errorId.toStdString(), false);
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mResult.reportErr(errmsg);
}
}