cppcheck/gui/checkthread.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2019 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 <QApplication>
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#include <QString>
#include <QDebug>
#include <QDir>
#include <QFileInfo>
#include <QJsonDocument>
#include <QJsonObject>
#include <QProcess>
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#include <QSettings>
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#include "checkthread.h"
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#include "erroritem.h"
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#include "threadresult.h"
#include "cppcheck.h"
#include "common.h"
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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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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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runAddonsAndTools(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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runAddonsAndTools(&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::runAddonsAndTools(const ImportProject::FileSettings *fileSettings, const QString &fileName)
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{
QString dumpFile;
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foreach (const QString addon, mAddonsAndTools) {
if (addon == CLANG_ANALYZER || addon == CLANG_TIDY) {
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if (!fileSettings)
continue;
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if (!fileSettings->cfg.empty() && fileSettings->cfg.compare(0,5,"Debug") != 0)
continue;
QStringList args;
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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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}
foreach (const std::string& U, fileSettings->undefs) {
args << QString::fromStdString("-U" + U);
}
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const QString clangPath = CheckThread::clangTidyCmd();
if (!clangPath.isEmpty()) {
QDir dir(clangPath + "/../lib/clang");
foreach (QString ver, dir.entryList()) {
QString includePath = dir.absolutePath() + '/' + ver + "/include";
if (ver[0] != '.' && QDir(includePath).exists()) {
args << "-isystem" << includePath;
break;
}
}
}
#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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foreach (QString includePath, mClangIncludePaths) {
if (!includePath.isEmpty()) {
includePath.replace("\\", "/");
args << "-isystem" << includePath.trimmed();
}
}
args << "-U__STDC__" << "-fno-ms-compatibility";
#endif
if (!fileSettings->standard.empty())
args << ("-std=" + QString::fromStdString(fileSettings->standard));
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else {
switch (mCppcheck.settings().standards.cpp) {
case Standards::CPP03:
args << "-std=c++03";
break;
case Standards::CPP11:
args << "-std=c++11";
break;
case Standards::CPP14:
args << "-std=c++14";
break;
case Standards::CPP17:
args << "-std=c++17";
break;
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case Standards::CPP20:
args << "-std=c++20";
break;
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};
}
QString analyzerInfoFile;
const std::string &buildDir = mCppcheck.settings().buildDir;
if (!buildDir.empty()) {
analyzerInfoFile = QString::fromStdString(AnalyzerInformation::getAnalyzerInfoFile(buildDir, fileSettings->filename, fileSettings->cfg));
QStringList args2(args);
args2.insert(0,"-E");
args2 << fileName;
QProcess process;
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process.start(clangCmd(),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);
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parseClangErrors(addon, 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_ANALYZER) {
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/*
// Using clang
args.insert(0,"--analyze");
args.insert(1, "-Xanalyzer");
args.insert(2, "-analyzer-output=text");
args << fileName;
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*/
// Using clang-tidy
args.insert(0,"-checks=-*,clang-analyzer-*");
args.insert(1, fileName);
args.insert(2, "--");
} else {
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args.insert(0,"-checks=*,-clang-analyzer-*,-llvm*");
args.insert(1, fileName);
args.insert(2, "--");
}
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{
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const QString cmd(clangTidyCmd());
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QString debug(cmd.contains(" ") ? ('\"' + cmd + '\"') : cmd);
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foreach (QString arg, args) {
if (arg.contains(" "))
debug += " \"" + arg + '\"';
else
debug += ' ' + arg;
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}
qDebug() << debug;
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if (!analyzerInfoFile.isEmpty()) {
QFile f(analyzerInfoFile + '.' + addon + "-cmd");
if (f.open(QIODevice::WriteOnly | QIODevice::Text)) {
QTextStream out(&f);
out << debug;
}
}
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}
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QProcess process;
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process.start(clangTidyCmd(), args);
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process.waitForFinished(600*1000);
const QString errout(process.readAllStandardOutput() + "\n\n\n" + process.readAllStandardError());
if (!analyzerInfoFile.isEmpty()) {
QFile f(analyzerInfoFile + '.' + addon + "-results");
if (f.open(QIODevice::WriteOnly | QIODevice::Text)) {
QTextStream out(&f);
out << errout;
}
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}
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parseClangErrors(addon, fileName, errout);
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} else {
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const QString python = CheckThread::pythonCmd();
if (python.isEmpty())
continue;
const QString addonFilePath = CheckThread::getAddonFilePath(mDataDir, addon + ".py");
if (addonFilePath.isEmpty())
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continue;
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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;
}
QStringList args;
args << addonFilePath << "--cli" << dumpFile;
if (addon == "misra" && !mMisraFile.isEmpty() && QFileInfo(mMisraFile).exists()) {
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if (mMisraFile.endsWith(".pdf", Qt::CaseInsensitive))
args << "--misra-pdf=" + mMisraFile;
else
args << "--rule-texts=" + mMisraFile;
}
qDebug() << python << args;
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QProcess process;
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QProcessEnvironment env = process.processEnvironment();
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if (!env.contains("PYTHONHOME") && !python.startsWith("python")) {
env.insert("PYTHONHOME", QFileInfo(python).canonicalPath());
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process.setProcessEnvironment(env);
}
process.start(python, args);
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process.waitForFinished();
const QString output(process.readAllStandardOutput());
QFile f(dumpFile + '-' + addon + "-results");
if (f.open(QIODevice::WriteOnly | QIODevice::Text)) {
QTextStream out(&f);
out << output;
f.close();
}
parseAddonErrors(output, addon);
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}
}
}
void CheckThread::stop()
{
mState = Stopping;
mCppcheck.terminate();
}
void CheckThread::parseAddonErrors(QString err, const QString &tool)
{
Q_UNUSED(tool);
QTextStream in(&err, QIODevice::ReadOnly);
while (!in.atEnd()) {
QString line = in.readLine();
if (!line.startsWith("{"))
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continue;
const QJsonDocument doc = QJsonDocument::fromJson(line.toLocal8Bit());
const QJsonObject obj = doc.object();
/*
msg = { 'file': location.file,
'linenr': location.linenr,
'col': location.col,
'severity': severity,
'message': message,
'addon': addon,
'errorId': errorId,
'extra': extra}
*/
const std::string &filename = obj["file"].toString().toStdString();
const int lineNumber = obj["linenr"].toInt();
const int column = obj["col"].toInt();
const std::string severity = obj["severity"].toString().toStdString();
const std::string message = obj["message"].toString().toStdString();
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const std::string id = (obj["addon"].toString() + "-" + obj["errorId"].toString()).toStdString();
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std::list<ErrorLogger::ErrorMessage::FileLocation> callstack;
callstack.push_back(ErrorLogger::ErrorMessage::FileLocation(filename, lineNumber));
callstack.back().col = column;
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ErrorLogger::ErrorMessage errmsg(callstack, filename, Severity::fromString(severity), message, id, false);
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if (isSuppressed(errmsg.toSuppressionsErrorMessage()))
continue;
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mResult.reportErr(errmsg);
}
}
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void CheckThread::parseClangErrors(const QString &tool, 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): (.*)");
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QRegExp r2("(.*)\\[([a-zA-Z0-9\\-_\\.]+)\\]");
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QTextStream in(&err, QIODevice::ReadOnly);
while (!in.atEnd()) {
QString line = in.readLine();
if (line.startsWith("Assertion failed:")) {
ErrorItem e;
e.errorPath.append(QErrorPathItem());
e.errorPath.last().file = file0;
e.errorPath.last().line = 1;
e.errorPath.last().col = 1;
e.errorId = tool + "-internal-error";
e.file0 = file0;
e.message = line;
e.severity = Severity::information;
errorItems.append(e);
continue;
}
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if (!r1.exactMatch(line))
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continue;
if (r1.cap(4) != "note") {
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errorItems.append(errorItem);
errorItem = ErrorItem();
errorItem.file0 = r1.cap(1);
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}
errorItem.errorPath.append(QErrorPathItem());
errorItem.errorPath.last().file = r1.cap(1);
errorItem.errorPath.last().line = r1.cap(2).toInt();
errorItem.errorPath.last().col = r1.cap(3).toInt();
if (r1.cap(4) == "warning")
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errorItem.severity = Severity::SeverityType::warning;
else if (r1.cap(4) == "error" || r1.cap(4) == "fatal error")
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errorItem.severity = Severity::SeverityType::error;
QString message,id;
if (r2.exactMatch(r1.cap(5))) {
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message = r2.cap(1);
const QString id1(r2.cap(2));
if (id1.startsWith("clang"))
id = id1;
else
id = tool + '-' + r2.cap(2);
if (tool == CLANG_TIDY) {
if (id1.startsWith("performance"))
errorItem.severity = Severity::SeverityType::performance;
else if (id1.startsWith("portability"))
errorItem.severity = Severity::SeverityType::portability;
else if (id1.startsWith("cert") || (id1.startsWith("misc") && !id1.contains("unused")))
errorItem.severity = Severity::SeverityType::warning;
else
errorItem.severity = Severity::SeverityType::style;
}
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} else {
message = r1.cap(5);
id = CLANG_ANALYZER;
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}
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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;
Suppressions::ErrorMessage errorMessage;
errorMessage.setFileName(e.errorPath.back().file.toStdString());
errorMessage.lineNumber = e.errorPath.back().line;
errorMessage.errorId = e.errorId.toStdString();
errorMessage.symbolNames = e.symbolNames.toStdString();
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if (isSuppressed(errorMessage))
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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));
}
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const std::string f0 = file0.toStdString();
const std::string msg = e.message.toStdString();
const std::string id = e.errorId.toStdString();
ErrorLogger::ErrorMessage errmsg(callstack, f0, e.severity, msg, id, false);
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mResult.reportErr(errmsg);
}
}
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bool CheckThread::isSuppressed(const Suppressions::ErrorMessage &errorMessage) const
{
foreach (const Suppressions::Suppression &suppression, mSuppressions) {
if (suppression.isSuppressed(errorMessage))
return true;
}
return false;
}
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QString CheckThread::clangCmd()
{
QString path = QSettings().value(SETTINGS_CLANG_PATH,QString()).toString();
if (!path.isEmpty())
path += '/';
path += "clang";
#ifdef Q_OS_WIN
path += ".exe";
#endif
QProcess process;
process.start(path, QStringList() << "--version");
process.waitForFinished();
if (process.exitCode() == 0)
return path;
#ifdef Q_OS_WIN
// Try to autodetect clang
if (QFileInfo("C:/Program Files/LLVM/bin/clang.exe").exists())
return "C:/Program Files/LLVM/bin/clang.exe";
#endif
return QString();
}
QString CheckThread::clangTidyCmd()
{
QString path = QSettings().value(SETTINGS_CLANG_PATH,QString()).toString();
if (!path.isEmpty())
path += '/';
path += "clang-tidy";
#ifdef Q_OS_WIN
path += ".exe";
#endif
QProcess process;
process.start(path, QStringList() << "--version");
process.waitForFinished();
if (process.exitCode() == 0)
return path;
#ifdef Q_OS_WIN
// Try to autodetect clang-tidy
if (QFileInfo("C:/Program Files/LLVM/bin/clang-tidy.exe").exists())
return "C:/Program Files/LLVM/bin/clang-tidy.exe";
#endif
return QString();
}
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QString CheckThread::pythonCmd()
{
QString path = QSettings().value(SETTINGS_PYTHON_PATH).toString();
if (!path.isEmpty())
return path;
path = "python";
#ifdef Q_OS_WIN
path += ".exe";
#endif
QProcess process;
process.start(path, QStringList() << "--version");
process.waitForFinished();
if (process.exitCode() == 0)
return path;
return QString();
}
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QString CheckThread::getAddonFilePath(const QString &dataDir, const QString &addonFile)
{
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const QStringList paths = QStringList() << "/" << "/addons/" << "/../addons/";
if (!dataDir.isEmpty()) {
foreach (const QString p, paths) {
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const QString filePath(dataDir + p + addonFile);
if (QFileInfo(filePath).exists())
return filePath;
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}
}
const QString appPath = QApplication::applicationDirPath();
foreach (const QString p, paths) {
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const QString filePath(appPath + p + addonFile);
if (QFileInfo(filePath).exists())
return filePath;
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}
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return QString();
}