forked from qt-creator/qt-creator
Compile qmldump with debugging helpers
Must be compiled during runtime - otherwise, the app may not work with Qt that is compiled with another compiler. Reviewed-by: hjk
This commit is contained in:
Lasse Holmstedt
@@ -43,20 +43,12 @@
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using namespace ProjectExplorer;
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QString DebuggingHelperLibrary::findSystemQt(const Utils::Environment &env)
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static inline QStringList validBinaryFilenames()
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{
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QStringList paths = env.path();
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foreach (const QString &path, paths) {
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foreach (const QString &possibleCommand, possibleQMakeCommands()) {
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const QFileInfo qmake(path + QLatin1Char('/') + possibleCommand);
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if (qmake.exists()) {
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if (!qtVersionForQMake(qmake.absoluteFilePath()).isNull()) {
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return qmake.absoluteFilePath();
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}
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}
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}
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}
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return QString();
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return QStringList()
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<< QLatin1String("debug/gdbmacros.dll")
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<< QLatin1String("libgdbmacros.dylib")
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<< QLatin1String("libgdbmacros.so");
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}
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QStringList DebuggingHelperLibrary::debuggingHelperLibraryDirectories(const QString &qtInstallData)
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@@ -71,43 +63,13 @@ QStringList DebuggingHelperLibrary::debuggingHelperLibraryDirectories(const QStr
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return directories;
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}
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QString DebuggingHelperLibrary::qtInstallDataDir(const QString &qmakePath)
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{
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QProcess proc;
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proc.start(qmakePath, QStringList() << QLatin1String("-query") << QLatin1String("QT_INSTALL_DATA"));
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if (proc.waitForFinished())
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return QString(proc.readAll().trimmed());
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return QString();
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}
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// Debugging Helper Library
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static inline bool getHelperFileInfoFor(const QString &directory, QFileInfo* info)
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{
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if (!info)
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return false;
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info->setFile(directory + QLatin1String("debug/gdbmacros.dll"));
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if (info->exists())
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return true;
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info->setFile(directory + QLatin1String("libgdbmacros.dylib"));
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if (info->exists())
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return true;
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info->setFile(directory + QLatin1String("libgdbmacros.so"));
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if (info->exists())
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return true;
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return false;
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}
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QStringList DebuggingHelperLibrary::debuggingHelperLibraryLocationsByInstallData(const QString &qtInstallData)
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QStringList DebuggingHelperLibrary::locationsByInstallData(const QString &qtInstallData)
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{
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QStringList result;
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QFileInfo fileInfo;
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const QStringList binFilenames = validBinaryFilenames();
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foreach(const QString &directory, debuggingHelperLibraryDirectories(qtInstallData)) {
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if (getHelperFileInfoFor(directory, &fileInfo))
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if (getHelperFileInfoFor(binFilenames, directory, &fileInfo))
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result << fileInfo.filePath();
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}
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return result;
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@@ -117,60 +79,17 @@ QString DebuggingHelperLibrary::debuggingHelperLibraryByInstallData(const QStrin
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{
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if (!Core::ICore::instance())
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return QString();
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const QString dumperSourcePath = Core::ICore::instance()->resourcePath() + QLatin1String("/gdbmacros/");
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QDateTime sourcesModified = QFileInfo(dumperSourcePath + "gdbmacros.cpp").lastModified();
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// We pretend that the lastmodified of gdbmacros.cpp is 5 minutes before what the file system says
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// Because afer a installation from the package the modified dates of gdbmacros.cpp
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// and the actual library are close to each other, but not deterministic in one direction
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sourcesModified = sourcesModified.addSecs(-300);
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// look for the newest helper library in the different locations
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QString newestHelper;
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QDateTime newestHelperModified = sourcesModified; // prevent using one that's older than the sources
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QFileInfo fileInfo;
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foreach(const QString &directory, debuggingHelperLibraryDirectories(qtInstallData)) {
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if (getHelperFileInfoFor(directory, &fileInfo)) {
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if (fileInfo.lastModified() > newestHelperModified) {
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newestHelper = fileInfo.filePath();
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newestHelperModified = fileInfo.lastModified();
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}
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}
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}
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return newestHelper;
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const QString mainFilename = Core::ICore::instance()->resourcePath()
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+ QLatin1String("/gdbmacros/gdbmacros.cpp");
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const QStringList directories = DebuggingHelperLibrary::debuggingHelperLibraryDirectories(qtInstallData);
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const QStringList binFilenames = validBinaryFilenames();
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return byInstallDataHelper(mainFilename, directories, binFilenames);
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}
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// Copy helper source files to a target directory, replacing older files.
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static bool copyDebuggingHelperFiles(const QStringList &files,
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const QString &targetDirectory,
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QString DebuggingHelperLibrary::copy(const QString &qtInstallData,
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QString *errorMessage)
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{
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const QString dumperSourcePath = Core::ICore::instance()->resourcePath() + QLatin1String("/gdbmacros/");
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if (!QDir().mkpath(targetDirectory)) {
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*errorMessage = QCoreApplication::translate("ProjectExplorer::DebuggingHelperLibrary", "The target directory %1 could not be created.").arg(targetDirectory);
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return false;
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}
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foreach (const QString &file, files) {
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const QString source = dumperSourcePath + file;
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const QString dest = targetDirectory + file;
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const QFileInfo destInfo(dest);
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if (destInfo.exists()) {
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if (destInfo.lastModified() >= QFileInfo(source).lastModified())
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continue;
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if (!QFile::remove(dest)) {
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*errorMessage = QCoreApplication::translate("ProjectExplorer::DebuggingHelperLibrary", "The existing file %1 could not be removed.").arg(destInfo.absoluteFilePath());
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return false;
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}
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}
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if (!QFile::copy(source, dest)) {
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*errorMessage = QCoreApplication::translate("ProjectExplorer::DebuggingHelperLibrary", "The file %1 could not be copied to %2.").arg(source, dest);
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return false;
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}
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}
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return true;
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}
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QString DebuggingHelperLibrary::copyDebuggingHelperLibrary(const QString &qtInstallData,
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QString *errorMessage)
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{
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// Locations to try:
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// $QTDIR/qtc-debugging-helper
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@@ -179,11 +98,15 @@ QString DebuggingHelperLibrary::copyDebuggingHelperLibrary(const QString &qtInst
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const QStringList directories = DebuggingHelperLibrary::debuggingHelperLibraryDirectories(qtInstallData);
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QStringList files;
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files << QLatin1String("gdbmacros.cpp") << QLatin1String("gdbmacros_p.h") << QLatin1String("gdbmacros.h") << QLatin1String("gdbmacros.pro")
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files << QLatin1String("gdbmacros.cpp") << QLatin1String("gdbmacros_p.h")
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<< QLatin1String("gdbmacros.h") << QLatin1String("gdbmacros.pro")
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<< QLatin1String("LICENSE.LGPL") << QLatin1String("LGPL_EXCEPTION.TXT");
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QString sourcePath = Core::ICore::instance()->resourcePath() + QLatin1String("/gdbmacros/");
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// Try to find a writeable directory.
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foreach(const QString &directory, directories)
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if (copyDebuggingHelperFiles(files, directory, errorMessage)) {
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if (copyFiles(sourcePath, files, directory, errorMessage)) {
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errorMessage->clear();
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return directory;
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}
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@@ -192,97 +115,10 @@ QString DebuggingHelperLibrary::copyDebuggingHelperLibrary(const QString &qtInst
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return QString();
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}
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QString DebuggingHelperLibrary::buildDebuggingHelperLibrary(const QString &directory, const QString &makeCommand,
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const QString &qmakeCommand, const QString &mkspec,
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const Utils::Environment &env, const QString &targetMode)
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QString DebuggingHelperLibrary::build(const QString &directory, const QString &makeCommand,
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const QString &qmakeCommand, const QString &mkspec,
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const Utils::Environment &env, const QString &targetMode)
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{
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QString output;
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const QChar newline = QLatin1Char('\n');
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// Setup process
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QProcess proc;
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proc.setEnvironment(env.toStringList());
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proc.setWorkingDirectory(directory);
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proc.setProcessChannelMode(QProcess::MergedChannels);
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output += QCoreApplication::translate("ProjectExplorer::DebuggingHelperLibrary", "Building debugging helper library in %1\n").arg(directory);
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output += newline;
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const QString makeFullPath = env.searchInPath(makeCommand);
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if (QFileInfo(directory + QLatin1String("/Makefile")).exists()) {
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if (!makeFullPath.isEmpty()) {
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const QString cleanTarget = QLatin1String("distclean");
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output += QCoreApplication::translate("ProjectExplorer::DebuggingHelperLibrary", "Running %1 %2...\n").arg(makeFullPath, cleanTarget);
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proc.start(makeFullPath, QStringList(cleanTarget));
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proc.waitForFinished();
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output += QString::fromLocal8Bit(proc.readAll());
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} else {
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output += QCoreApplication::translate("ProjectExplorer::DebuggingHelperLibrary", "%1 not found in PATH\n").arg(makeCommand);
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return output;
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}
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}
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output += newline;
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output += QCoreApplication::translate("ProjectExplorer::DebuggingHelperLibrary", "Running %1 ...\n").arg(qmakeCommand);
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QStringList makeArgs;
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makeArgs << targetMode << QLatin1String("-spec") << (mkspec.isEmpty() ? QString(QLatin1String("default")) : mkspec) << QLatin1String("gdbmacros.pro");
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proc.start(qmakeCommand, makeArgs);
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proc.waitForFinished();
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output += proc.readAll();
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output += newline;;
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if (!makeFullPath.isEmpty()) {
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output += QCoreApplication::translate("ProjectExplorer::DebuggingHelperLibrary", "Running %1 ...\n").arg(makeFullPath);
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proc.start(makeFullPath, QStringList());
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proc.waitForFinished();
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output += proc.readAll();
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} else {
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output += QCoreApplication::translate("ProjectExplorer::DebuggingHelperLibrary", "%1 not found in PATH\n").arg(makeCommand);
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}
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return output;
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}
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QString DebuggingHelperLibrary::qtVersionForQMake(const QString &qmakePath)
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{
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if (qmakePath.isEmpty())
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return QString();
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QProcess qmake;
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qmake.start(qmakePath, QStringList(QLatin1String("--version")));
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if (!qmake.waitForStarted()) {
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qWarning("Cannot start '%s': %s", qPrintable(qmakePath), qPrintable(qmake.errorString()));
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return QString();
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}
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if (!qmake.waitForFinished()) {
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Utils::SynchronousProcess::stopProcess(qmake);
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qWarning("Timeout running '%s'.", qPrintable(qmakePath));
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return QString();
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}
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if (qmake.exitStatus() != QProcess::NormalExit) {
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qWarning("'%s' crashed.", qPrintable(qmakePath));
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return QString();
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}
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const QString output = QString::fromLocal8Bit(qmake.readAllStandardOutput());
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QRegExp regexp(QLatin1String("(QMake version|QMake version:)[\\s]*([\\d.]*)"), Qt::CaseInsensitive);
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regexp.indexIn(output);
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if (regexp.cap(2).startsWith(QLatin1String("2."))) {
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QRegExp regexp2(QLatin1String("Using Qt version[\\s]*([\\d\\.]*)"), Qt::CaseInsensitive);
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regexp2.indexIn(output);
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const QString version = regexp2.cap(1);
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return version;
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}
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return QString();
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}
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QStringList DebuggingHelperLibrary::possibleQMakeCommands()
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{
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// On windows no one has renamed qmake, right?
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#ifdef Q_OS_WIN
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return QStringList(QLatin1String("qmake.exe"));
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#else
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// On unix some distributions renamed qmake to avoid clashes
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QStringList result;
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result << QLatin1String("qmake-qt4") << QLatin1String("qmake4") << QLatin1String("qmake");
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return result;
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#endif
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return buildHelper(QCoreApplication::tr("GDB helper"), QLatin1String("gdbmacros.pro"), directory,
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makeCommand, qmakeCommand, mkspec, env, targetMode);
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}
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