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"
#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;
if (addon == CLANG)
args << "--analyze";
else
args << "-checks=*,-clang*,-llvm*" << fileName << "--";
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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));
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if (addon == CLANG)
args << fileName;
const QString cmd(mClangPath.isEmpty() ? addon : (mClangPath + '/' + addon + ".exe"));
qDebug() << cmd << args;
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QProcess process;
process.start(cmd, args);
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process.waitForFinished(600*1000);
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if (addon == CLANG)
parseClangErrors(process.readAllStandardError());
else
parseClangErrors(process.readAllStandardOutput());
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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);
}
}
void CheckThread::parseClangErrors(QString err)
{
QTextStream in(&err, QIODevice::ReadOnly);
while (!in.atEnd()) {
QString line = in.readLine();
QRegExp r("(.+):([0-9]+):[0-9]+: (warning|error|fatal error): (.*)");
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if (!r.exactMatch(line))
continue;
const std::string filename = r.cap(1).toStdString();
const int lineNumber = r.cap(2).toInt();
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Severity::SeverityType severity = (r.cap(3) == "warning") ? Severity::warning : Severity::error;
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std::string message, id;
QRegExp r2("(.*)\\[([a-zA-Z0-9\\-_\\.]+)\\]");
if (r2.exactMatch(r.cap(4))) {
message = r2.cap(1).toStdString();
id = r2.cap(2).toStdString();
} else {
message = r.cap(4).toStdString();
id = CLANG;
}
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std::list<ErrorLogger::ErrorMessage::FileLocation> callstack;
callstack.push_back(ErrorLogger::ErrorMessage::FileLocation(filename, lineNumber));
ErrorLogger::ErrorMessage errmsg(callstack, filename, severity, message, id, false);
mResult.reportErr(errmsg);
}
}