414 lines
15 KiB
C++
414 lines
15 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2016 Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QString>
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#include <QDebug>
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#include <QDir>
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#include <QFileInfo>
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#include <QProcess>
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#include "checkthread.h"
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#include "erroritem.h"
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#include "threadresult.h"
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#include "cppcheck.h"
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static const char CLANG[] = "clang";
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static const char CLANGTIDY[] = "clang-tidy";
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CheckThread::CheckThread(ThreadResult &result) :
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mState(Ready),
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mResult(result),
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mCppcheck(result, true),
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mAnalyseWholeProgram(false)
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{
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//ctor
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}
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CheckThread::~CheckThread()
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{
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//dtor
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}
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void CheckThread::check(const Settings &settings)
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{
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mFiles.clear();
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mCppcheck.settings() = settings;
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start();
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}
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void CheckThread::analyseWholeProgram(const QStringList &files)
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{
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mFiles = files;
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mAnalyseWholeProgram = true;
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start();
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}
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void CheckThread::run()
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{
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mState = Running;
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if (!mFiles.isEmpty() || mAnalyseWholeProgram) {
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mAnalyseWholeProgram = false;
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qDebug() << "Whole program analysis";
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const std::string &buildDir = mCppcheck.settings().buildDir;
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if (!buildDir.empty()) {
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std::map<std::string,std::size_t> files2;
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for (QString file : mFiles)
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files2[file.toStdString()] = 0;
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mCppcheck.analyseWholeProgram(buildDir, files2);
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}
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mFiles.clear();
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emit done();
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return;
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}
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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) {
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qDebug() << "Checking file" << file;
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mCppcheck.check(file.toStdString());
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runAddons(addonPath, nullptr, file);
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emit fileChecked(file);
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if (mState == Running)
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file = mResult.getNextFile();
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}
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ImportProject::FileSettings fileSettings = mResult.getNextFileSettings();
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while (!fileSettings.filename.empty() && mState == Running) {
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file = QString::fromStdString(fileSettings.filename);
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qDebug() << "Checking file" << file;
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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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}
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if (mState == Running)
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mState = Ready;
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else
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mState = Stopped;
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emit done();
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}
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void CheckThread::runAddons(const QString &addonPath, const ImportProject::FileSettings *fileSettings, const QString &fileName)
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{
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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)
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continue;
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if (!fileSettings->cfg.empty() && fileSettings->cfg.compare(0,5,"Debug") != 0)
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continue;
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QStringList args;
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for (std::list<std::string>::const_iterator I = fileSettings->includePaths.begin(); I != fileSettings->includePaths.end(); ++I)
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args << ("-I" + QString::fromStdString(*I));
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for (std::list<std::string>::const_iterator i = fileSettings->systemIncludePaths.begin(); i != fileSettings->systemIncludePaths.end(); ++i)
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args << "-isystem" << QString::fromStdString(*i);
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foreach (QString D, QString::fromStdString(fileSettings->defines).split(";")) {
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args << ("-D" + D);
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}
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if (!mClangPath.isEmpty()) {
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QDir dir(mClangPath + "/../lib/clang");
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foreach (QString ver, dir.entryList()) {
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QString includePath = dir.absolutePath() + '/' + ver + "/include";
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if (ver[0] != '.' && QDir(includePath).exists()) {
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args << "-isystem" << includePath;
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break;
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}
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}
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}
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#ifdef Q_OS_WIN
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// To create compile_commands.json in windows see:
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// https://bitsmaker.gitlab.io/post/clang-tidy-from-vs2015/
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foreach (QString includePath, mClangIncludePaths) {
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if (!includePath.isEmpty()) {
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includePath.replace("\\", "/");
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args << "-isystem" << includePath.trimmed();
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}
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}
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args << "-U__STDC__" << "-fno-ms-compatibility";
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#endif
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if (!fileSettings->standard.empty())
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args << ("-std=" + QString::fromStdString(fileSettings->standard));
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QString analyzerInfoFile;
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const std::string &buildDir = mCppcheck.settings().buildDir;
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if (!buildDir.empty()) {
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analyzerInfoFile = QString::fromStdString(AnalyzerInformation::getAnalyzerInfoFile(buildDir, fileSettings->filename, fileSettings->cfg));
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const QString cmd(mClangPath.isEmpty() ? QString("clang") : (mClangPath + "/clang.exe"));
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QStringList args2(args);
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args2.insert(0,"-E");
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args2 << fileName;
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QProcess process;
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process.start(cmd,args2);
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process.waitForFinished();
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const QByteArray &ba = process.readAllStandardOutput();
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const quint16 chksum = qChecksum(ba.data(), ba.length());
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QFile f1(analyzerInfoFile + '.' + addon + "-E");
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if (f1.open(QIODevice::ReadOnly | QIODevice::Text)) {
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QTextStream in1(&f1);
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const quint16 oldchksum = in1.readAll().toInt();
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if (oldchksum == chksum) {
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QFile f2(analyzerInfoFile + '.' + addon + "-results");
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if (f2.open(QIODevice::ReadOnly | QIODevice::Text)) {
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QTextStream in2(&f2);
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parseClangErrors(addon, fileName, in2.readAll());
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continue;
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}
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}
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f1.close();
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}
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f1.open(QIODevice::WriteOnly | QIODevice::Text);
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QTextStream out1(&f1);
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out1 << chksum;
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QFile::remove(analyzerInfoFile + '.' + addon + "-results");
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}
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if (addon == CLANG) {
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args.insert(0,"--analyze");
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args.insert(1, "-Xanalyzer");
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args.insert(2, "-analyzer-output=text");
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args << fileName;
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} else {
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args.insert(0,"-checks=*,-clang*,-llvm*");
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args.insert(1, fileName);
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args.insert(2, "--");
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}
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const QString cmd(mClangPath.isEmpty() ? addon : (mClangPath + '/' + addon + ".exe"));
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{
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QString debug(cmd.contains(" ") ? ('\"' + cmd + '\"') : cmd);
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foreach (QString arg, args) {
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if (arg.contains(" "))
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debug += " \"" + arg + '\"';
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else
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debug += ' ' + arg;
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}
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qDebug() << debug;
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if (!analyzerInfoFile.isEmpty()) {
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QFile f(analyzerInfoFile + '.' + addon + "-cmd");
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if (f.open(QIODevice::WriteOnly | QIODevice::Text)) {
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QTextStream out(&f);
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out << debug;
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}
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}
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}
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QProcess process;
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process.start(cmd, args);
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process.waitForFinished(600*1000);
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const QString errout(process.readAllStandardOutput() + "\n\n\n" + process.readAllStandardError());
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if (!analyzerInfoFile.isEmpty()) {
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QFile f(analyzerInfoFile + '.' + addon + "-results");
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if (f.open(QIODevice::WriteOnly | QIODevice::Text)) {
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QTextStream out(&f);
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out << errout;
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}
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}
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parseClangErrors(addon, fileName, errout);
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} else {
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QString a;
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if (QFileInfo(addonPath + '/' + addon + ".py").exists())
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a = addonPath + '/' + addon + ".py";
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else if (QFileInfo(addonPath + '/' + addon + '/' + addon + ".py").exists())
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a = addonPath + '/' + addon + '/' + addon + ".py";
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else
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continue;
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if (dumpFile.isEmpty()) {
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const std::string buildDir = mCppcheck.settings().buildDir;
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mCppcheck.settings().buildDir.clear();
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mCppcheck.settings().dump = true;
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if (!buildDir.empty()) {
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mCppcheck.settings().dumpFile = AnalyzerInformation::getAnalyzerInfoFile(buildDir, fileName.toStdString(), fileSettings ? fileSettings->cfg : std::string()) + ".dump";
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dumpFile = QString::fromStdString(mCppcheck.settings().dumpFile);
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} else {
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dumpFile = fileName + ".dump";
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}
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if (fileSettings)
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mCppcheck.check(*fileSettings);
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else
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mCppcheck.check(fileName.toStdString());
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mCppcheck.settings().dump = false;
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mCppcheck.settings().dumpFile.clear();
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mCppcheck.settings().buildDir = buildDir;
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}
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const QString python = mPythonPath.isEmpty() ? QString("python") : mPythonPath;
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QStringList args;
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args << a << dumpFile;
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qDebug() << python << args;
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QProcess process;
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process.start(python, args);
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process.waitForFinished();
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const QString errout(process.readAllStandardError());
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QFile f(dumpFile + '-' + addon + "-results");
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if (f.open(QIODevice::WriteOnly | QIODevice::Text)) {
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QTextStream out(&f);
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out << errout;
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f.close();
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}
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parseAddonErrors(errout, addon);
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}
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}
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}
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void CheckThread::stop()
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{
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mState = Stopping;
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mCppcheck.terminate();
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}
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QString CheckThread::getAddonPath() const
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{
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if (QFileInfo(mDataDir + "/threadsafety.py").exists())
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return mDataDir;
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else if (QDir(mDataDir + "/addons").exists())
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return mDataDir + "/addons";
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else if (QDir(mDataDir + "/../addons").exists())
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return mDataDir + "/../addons";
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else if (mDataDir.endsWith("/cfg")) {
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if (QDir(mDataDir.mid(0,mDataDir.size()-3) + "addons").exists())
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return mDataDir.mid(0,mDataDir.size()-3) + "addons";
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}
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return QString();
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}
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void CheckThread::parseAddonErrors(QString err, QString tool)
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{
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Q_UNUSED(tool);
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QTextStream in(&err, QIODevice::ReadOnly);
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while (!in.atEnd()) {
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QString line = in.readLine();
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QRegExp r1("\\[([a-zA-Z]?:?[^:]+):([0-9]+)\\][ ][(]([a-z]+)[)]: (.+) \\[([a-zA-Z0-9_\\-\\.]+)\\]");
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if (!r1.exactMatch(line))
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continue;
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const std::string &filename = r1.cap(1).toStdString();
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const int lineNumber = r1.cap(2).toInt();
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const std::string severity = r1.cap(3).toStdString();
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const std::string message = r1.cap(4).toStdString();
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const std::string id = r1.cap(5).toStdString();
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std::list<ErrorLogger::ErrorMessage::FileLocation> callstack;
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callstack.push_back(ErrorLogger::ErrorMessage::FileLocation(filename, lineNumber));
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ErrorLogger::ErrorMessage errmsg(callstack, filename, Severity::fromString(severity), message, id, false);
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mResult.reportErr(errmsg);
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}
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}
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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;
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ErrorItem errorItem;
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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);
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while (!in.atEnd()) {
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QString line = in.readLine();
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if (line.startsWith("Assertion failed:")) {
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ErrorItem e;
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e.errorPath.append(QErrorPathItem());
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e.errorPath.last().file = file0;
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e.errorPath.last().line = 1;
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e.errorPath.last().col = 1;
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e.errorId = tool + "-internal-error";
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e.file0 = file0;
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e.message = line;
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e.severity = Severity::information;
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errorItems.append(e);
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continue;
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}
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if (!r1.exactMatch(line))
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continue;
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if (r1.cap(4) != "note") {
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errorItems.append(errorItem);
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errorItem = ErrorItem();
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errorItem.file0 = r1.cap(1);
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}
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errorItem.errorPath.append(QErrorPathItem());
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errorItem.errorPath.last().file = r1.cap(1);
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errorItem.errorPath.last().line = r1.cap(2).toInt();
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errorItem.errorPath.last().col = r1.cap(3).toInt();
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if (r1.cap(4) == "warning")
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errorItem.severity = Severity::SeverityType::warning;
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else if (r1.cap(4) == "error" || r1.cap(4) == "fatal error")
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errorItem.severity = Severity::SeverityType::error;
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QString message,id;
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if (r2.exactMatch(r1.cap(5))) {
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message = r2.cap(1);
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id = tool + '-' + r2.cap(2);
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if (r2.cap(2) == "performance")
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errorItem.severity = Severity::SeverityType::performance;
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else if (r2.cap(2) == "portability")
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errorItem.severity = Severity::SeverityType::portability;
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else if (r2.cap(2) == "readability")
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errorItem.severity = Severity::SeverityType::style;
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} else {
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message = r1.cap(5);
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id = CLANG;
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}
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if (errorItem.errorPath.size() == 1) {
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errorItem.message = message;
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errorItem.errorId = id;
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}
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errorItem.errorPath.last().info = message;
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}
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errorItems.append(errorItem);
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foreach (const ErrorItem &e, errorItems) {
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if (e.errorPath.isEmpty())
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continue;
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if (mSuppressions.contains(e.errorId))
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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) {
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callstack.push_back(ErrorLogger::ErrorMessage::FileLocation(path.file.toStdString(), path.info.toStdString(), path.line));
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}
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const std::string f0 = file0.toStdString();
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const std::string msg = e.message.toStdString();
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const std::string id = e.errorId.toStdString();
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ErrorLogger::ErrorMessage errmsg(callstack, f0, e.severity, msg, id, false);
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mResult.reportErr(errmsg);
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}
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}
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