ClangTools: Invoke clang-tidy instead of clang

Change-Id: Ibcc53cf8cb8bbaf262757bec52f15936506dad50
Reviewed-by: Cristian Adam <cristian.adam@qt.io>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

11 files changed, 90 insertions, 72 deletions

diff --git a/src/plugins/clangtools/clangtidyclazyruncontrol.cpp b/src/plugins/clangtools/clangtidyclazyruncontrol.cpp
index c0b05d3350..8be64c2cfe 100644
--- a/src/plugins/clangtools/clangtidyclazyruncontrol.cpp
+++ b/src/plugins/clangtools/clangtidyclazyruncontrol.cpp
@@ -47,11 +47,12 @@ QList<RunnerCreator> ClangTidyClazyRunWorker::runnerCreators()
 {
     QList<RunnerCreator> creators;
 
-    if (!m_diagnosticConfig.clazyChecks().isEmpty())
-        creators << [this]() { return createRunner<ClazyRunner>(); };
     if (m_diagnosticConfig.clangTidyMode() != CppTools::ClangDiagnosticConfig::TidyMode::Disabled)
         creators << [this]() { return createRunner<ClangTidyRunner>(); };
 
+    if (!m_diagnosticConfig.clazyChecks().isEmpty())
+        creators << [this]() { return createRunner<ClazyPluginRunner>(); };
+
     return creators;
 }
 
@@ -59,7 +60,7 @@ template <class T>
 ClangToolRunner *ClangTidyClazyRunWorker::createRunner()
 {
     auto runner = new T(m_diagnosticConfig, this);
-    runner->init(m_clangExecutable, m_temporaryDir.path(), m_environment);
+    runner->init(m_temporaryDir.path(), m_environment);
     connect(runner, &ClangToolRunner::finishedWithSuccess,
             this, &ClangTidyClazyRunWorker::onRunnerFinishedWithSuccess);
     connect(runner, &ClangToolRunner::finishedWithFailure,
diff --git a/src/plugins/clangtools/clangtidyclazyrunner.cpp b/src/plugins/clangtools/clangtidyclazyrunner.cpp
index 7615097b32..c09c914b11 100644
--- a/src/plugins/clangtools/clangtidyclazyrunner.cpp
+++ b/src/plugins/clangtools/clangtidyclazyrunner.cpp
@@ -27,6 +27,8 @@
 
 #include "clangtoolssettings.h"
 
+#include <coreplugin/icore.h>
+
 #include <cpptools/compileroptionsbuilder.h>
 #include <cpptools/cppcodemodelsettings.h>
 #include <cpptools/cpptoolsreuse.h>
@@ -45,40 +47,13 @@ using namespace CppTools;
 namespace ClangTools {
 namespace Internal {
 
-static QStringList commonArguments(const QStringList &options,
-                                   const QString &logFile,
-                                   const ClangDiagnosticConfig diagnosticConfig)
-{
-    QStringList arguments;
-    if (LOG().isDebugEnabled())
-        arguments << QLatin1String("-v");
-
-    const QStringList serializeArgs{"-serialize-diagnostics", logFile};
-    if (options.contains("--driver-mode=cl"))
-        arguments << clangArgsForCl(serializeArgs);
-    else
-        arguments << serializeArgs;
-
-    arguments << ClangDiagnosticConfigsModel::globalDiagnosticOptions()
-              << diagnosticConfig.clangOptions();
-
-    return arguments;
-}
-
-static QStringList tidyPluginArguments(const ClangDiagnosticConfig diagnosticConfig)
+static QStringList serializeDiagnosticsArguments(const QStringList &baseOptions,
+                                                 const QString &outputFilePath)
 {
-    QStringList arguments;
-
-    const ClangDiagnosticConfig::TidyMode tidyMode = diagnosticConfig.clangTidyMode();
-    if (tidyMode != ClangDiagnosticConfig::TidyMode::Disabled) {
-        arguments << XclangArgs({"-add-plugin", "clang-tidy"});
-        if (tidyMode != ClangDiagnosticConfig::TidyMode::File) {
-            const QString tidyChecks = diagnosticConfig.clangTidyChecks();
-            arguments << XclangArgs({"-plugin-arg-clang-tidy", "-checks=" + tidyChecks});
-        }
-    }
-
-    return arguments;
+    const QStringList serializeArgs{"-serialize-diagnostics", outputFilePath};
+    if (baseOptions.contains("--driver-mode=cl"))
+        return clangArgsForCl(serializeArgs);
+    return serializeArgs;
 }
 
 static QStringList clazyPluginArguments(const ClangDiagnosticConfig diagnosticConfig)
@@ -100,25 +75,64 @@ static QStringList clazyPluginArguments(const ClangDiagnosticConfig diagnosticCo
     return arguments;
 }
 
+static QStringList tidyChecksArguments(const ClangDiagnosticConfig diagnosticConfig)
+{
+    const ClangDiagnosticConfig::TidyMode tidyMode = diagnosticConfig.clangTidyMode();
+    if (tidyMode != ClangDiagnosticConfig::TidyMode::Disabled) {
+        if (tidyMode != ClangDiagnosticConfig::TidyMode::File)
+            return {"-checks=" + diagnosticConfig.clangTidyChecks()};
+    }
+
+    return {};
+}
+
+static QStringList mainToolArguments(const QString &mainFilePath, const QString &outputFilePath)
+{
+    return {
+        "-export-fixes=" + outputFilePath,
+        QDir::toNativeSeparators(mainFilePath),
+    };
+}
+
+static QStringList clangArguments(const ClangDiagnosticConfig &diagnosticConfig,
+                                  const QStringList &baseOptions)
+{
+    QStringList arguments;
+    arguments << ClangDiagnosticConfigsModel::globalDiagnosticOptions()
+              << diagnosticConfig.clangOptions()
+              << baseOptions;
+
+    if (LOG().isDebugEnabled())
+        arguments << QLatin1String("-v");
+
+    return arguments;
+}
+
 ClangTidyRunner::ClangTidyRunner(const ClangDiagnosticConfig &config, QObject *parent)
     : ClangToolRunner(parent)
 {
     setName(tr("Clang-Tidy"));
+    setOutputFileFormat(OutputFileFormat::Yaml);
+    setExecutable(Core::ICore::clangTidyExecutable(CLANG_BINDIR));
     setArgsCreator([this, config](const QStringList &baseOptions) {
-        return commonArguments(baseOptions, m_logFile, config)
-            << tidyPluginArguments(config)
-            << baseOptions
-            << QDir::toNativeSeparators(filePath());
+        return QStringList()
+            << tidyChecksArguments(config)
+            << mainToolArguments(filePath(), m_logFile)
+            << "--"
+            << clangArguments(config, baseOptions);
     });
 }
 
-ClazyRunner::ClazyRunner(const ClangDiagnosticConfig &config, QObject *parent)
+ClazyPluginRunner::ClazyPluginRunner(const ClangDiagnosticConfig &config, QObject *parent)
     : ClangToolRunner(parent)
 {
     setName(tr("Clazy"));
+    setOutputFileFormat(OutputFileFormat::Serialized);
+    setExecutable(Core::ICore::clangExecutable(CLANG_BINDIR));
     setArgsCreator([this, config](const QStringList &baseOptions) {
-        return commonArguments(baseOptions, m_logFile, config)
-            << clazyPluginArguments(config) << baseOptions
+        return serializeDiagnosticsArguments(baseOptions, m_logFile)
+            << clazyPluginArguments(config)
+            << clangArguments(config, baseOptions)
             << QDir::toNativeSeparators(filePath());
     });
 }
diff --git a/src/plugins/clangtools/clangtidyclazyrunner.h b/src/plugins/clangtools/clangtidyclazyrunner.h
index 39bd80580d..1edc684c0f 100644
--- a/src/plugins/clangtools/clangtidyclazyrunner.h
+++ b/src/plugins/clangtools/clangtidyclazyrunner.h
@@ -40,12 +40,12 @@ public:
     ClangTidyRunner(const CppTools::ClangDiagnosticConfig &config, QObject *parent = nullptr);
 };
 
-class ClazyRunner final : public ClangToolRunner
+class ClazyPluginRunner final : public ClangToolRunner
 {
     Q_OBJECT
 
 public:
-    ClazyRunner(const CppTools::ClangDiagnosticConfig &config, QObject *parent = nullptr);
+    ClazyPluginRunner(const CppTools::ClangDiagnosticConfig &config, QObject *parent = nullptr);
 };
 
 } // namespace Internal
diff --git a/src/plugins/clangtools/clangtidyclazytool.cpp b/src/plugins/clangtools/clangtidyclazytool.cpp
index 388dcd516e..3ca68b5505 100644
--- a/src/plugins/clangtools/clangtidyclazytool.cpp
+++ b/src/plugins/clangtools/clangtidyclazytool.cpp
@@ -516,7 +516,8 @@ void ClangTidyClazyTool::handleStateUpdate()
     Debugger::showPermanentStatusMessage(message);
 }
 
-Diagnostics ClangTidyClazyTool::read(const QString &logFilePath,
+Diagnostics ClangTidyClazyTool::read(OutputFileFormat outputFileFormat,
+                                     const QString &logFilePath,
                                      const QString &mainFilePath,
                                      const QSet<Utils::FilePath> &projectFiles,
                                      QString *errorMessage) const
@@ -525,6 +526,11 @@ Diagnostics ClangTidyClazyTool::read(const QString &logFilePath,
         return projectFiles.contains(filePath);
     };
 
+    if (outputFileFormat == OutputFileFormat::Yaml) {
+        return readExportedDiagnostics(Utils::FilePath::fromString(logFilePath),
+                                       acceptFromFilePath,
+                                       errorMessage);
+    }
     return readSerializedDiagnostics(Utils::FilePath::fromString(logFilePath),
                                      Utils::FilePath::fromString(mainFilePath),
                                      acceptFromFilePath,
diff --git a/src/plugins/clangtools/clangtidyclazytool.h b/src/plugins/clangtools/clangtidyclazytool.h
index 8834c733f2..21472da5eb 100644
--- a/src/plugins/clangtools/clangtidyclazytool.h
+++ b/src/plugins/clangtools/clangtidyclazytool.h
@@ -53,7 +53,8 @@ public:
 
     void startTool(bool askUserForFileSelection) final;
 
-    Diagnostics read(const QString &logFilePath,
+    Diagnostics read(OutputFileFormat outputFileFormat,
+                     const QString &logFilePath,
                      const QString &mainFilePath,
                      const QSet<Utils::FilePath> &projectFiles,
                      QString *errorMessage) const final;
diff --git a/src/plugins/clangtools/clangtool.h b/src/plugins/clangtools/clangtool.h
index 3f3c2d6998..39e1bbb464 100644
--- a/src/plugins/clangtools/clangtool.h
+++ b/src/plugins/clangtools/clangtool.h
@@ -27,6 +27,7 @@
 
 #include "clangfileinfo.h"
 #include "clangtoolsdiagnostic.h"
+#include "clangtoolslogfilereader.h"
 
 #include <projectexplorer/runconfiguration.h>
 #include <cpptools/projectinfo.h>
@@ -50,7 +51,8 @@ public:
 
     virtual void startTool(bool askUserForFileSelection) = 0;
 
-    virtual Diagnostics read(const QString &logFilePath,
+    virtual Diagnostics read(OutputFileFormat outputFileFormat,
+                             const QString &logFilePath,
                              const QString &mainFilePath,
                              const QSet<Utils::FilePath> &projectFiles,
                              QString *errorMessage) const = 0;
diff --git a/src/plugins/clangtools/clangtoolruncontrol.cpp b/src/plugins/clangtools/clangtoolruncontrol.cpp
index ebda77aa6b..578839bbbb 100644
--- a/src/plugins/clangtools/clangtoolruncontrol.cpp
+++ b/src/plugins/clangtools/clangtoolruncontrol.cpp
@@ -232,7 +232,6 @@ ClangToolRunWorker::ClangToolRunWorker(RunControl *runControl,
                                        const FileInfos &fileInfos)
     : RunWorker(runControl)
     , m_projectBuilder(new ProjectBuilder(runControl, this))
-    , m_clangExecutable(Core::ICore::clangExecutable(CLANG_BINDIR))
     , m_temporaryDir("clangtools-XXXXXX")
     , m_fileInfos(fileInfos)
 {
@@ -276,15 +275,6 @@ void ClangToolRunWorker::start()
     }
 
     const QString &toolName = tool()->name();
-    if (m_clangExecutable.isEmpty()) {
-        const QString errorMessage = tr("%1: Can't find clang executable, stop.").arg(toolName);
-        appendMessage(errorMessage, Utils::ErrorMessageFormat);
-        TaskHub::addTask(Task::Error, errorMessage, Debugger::Constants::ANALYZERTASK_ID);
-        TaskHub::requestPopup();
-        reportFailure();
-        return;
-    }
-
     Project *project = runControl()->project();
     m_projectInfo = CppTools::CppModelManager::instance()->projectInfo(project);
     m_projectFiles = Utils::toSet(project->files(Project::AllFiles));
@@ -397,11 +387,13 @@ void ClangToolRunWorker::analyzeNextFile()
 
 void ClangToolRunWorker::onRunnerFinishedWithSuccess(const QString &filePath)
 {
-    const QString logFilePath = qobject_cast<ClangToolRunner *>(sender())->logFilePath();
+    auto runner = qobject_cast<ClangToolRunner *>(sender());
+    const QString logFilePath = runner->logFilePath();
     qCDebug(LOG) << "onRunnerFinishedWithSuccess:" << logFilePath;
 
     QString errorMessage;
-    const Diagnostics diagnostics = tool()->read(logFilePath,
+    const Diagnostics diagnostics = tool()->read(runner->outputFileFormat(),
+                                                 logFilePath,
                                                  filePath,
                                                  m_projectFiles,
                                                  &errorMessage);
diff --git a/src/plugins/clangtools/clangtoolruncontrol.h b/src/plugins/clangtools/clangtoolruncontrol.h
index e30c2e2cf9..28734cdb02 100644
--- a/src/plugins/clangtools/clangtoolruncontrol.h
+++ b/src/plugins/clangtools/clangtoolruncontrol.h
@@ -97,7 +97,6 @@ private:
 protected:
     ProjectBuilder *m_projectBuilder;
     Utils::Environment m_environment;
-    QString m_clangExecutable;
     Utils::TemporaryDirectory m_temporaryDir;
 
 private:
diff --git a/src/plugins/clangtools/clangtoolrunner.cpp b/src/plugins/clangtools/clangtoolrunner.cpp
index 09e5806cd8..e722bba07a 100644
--- a/src/plugins/clangtools/clangtoolrunner.cpp
+++ b/src/plugins/clangtools/clangtoolrunner.cpp
@@ -58,13 +58,10 @@ QString finishedWithBadExitCode(const QString &name, int exitCode)
     return ClangToolRunner::tr("%1 finished with exit code: %2.").arg(name).arg(exitCode);
 }
 
-void ClangToolRunner::init(const QString &clangExecutable,
-                           const QString &clangLogFileDir,
+void ClangToolRunner::init(const QString &clangLogFileDir,
                            const Utils::Environment &environment)
 {
-    m_clangExecutable = QDir::toNativeSeparators(clangExecutable);
     m_clangLogFileDir = clangLogFileDir;
-    QTC_CHECK(!m_clangExecutable.isEmpty());
     QTC_CHECK(!m_clangLogFileDir.isEmpty());
 
     m_process.setProcessChannelMode(QProcess::MergedChannels);
@@ -84,7 +81,7 @@ ClangToolRunner::~ClangToolRunner()
 
 bool ClangToolRunner::run(const QString &filePath, const QStringList &compilerOptions)
 {
-    QTC_ASSERT(!m_clangExecutable.isEmpty(), return false);
+    QTC_ASSERT(!m_executable.isEmpty(), return false);
     QTC_CHECK(!compilerOptions.contains(QLatin1String("-o")));
     QTC_CHECK(!compilerOptions.contains(filePath));
 
@@ -94,10 +91,10 @@ bool ClangToolRunner::run(const QString &filePath, const QStringList &compilerOp
     m_logFile = createLogFile(filePath);
     QTC_ASSERT(!m_logFile.isEmpty(), return false);
     const QStringList arguments = m_argsCreator(compilerOptions);
-    m_commandLine = Utils::QtcProcess::joinArgs(QStringList(m_clangExecutable) + arguments);
+    m_commandLine = Utils::QtcProcess::joinArgs(QStringList(m_executable) + arguments);
 
     qCDebug(LOG).noquote() << "Starting" << m_commandLine;
-    m_process.start(m_clangExecutable, arguments);
+    m_process.start(m_executable, arguments);
     return true;
 }
 
diff --git a/src/plugins/clangtools/clangtoolrunner.h b/src/plugins/clangtools/clangtoolrunner.h
index 164ddb7729..e38b5bcc4a 100644
--- a/src/plugins/clangtools/clangtoolrunner.h
+++ b/src/plugins/clangtools/clangtoolrunner.h
@@ -25,6 +25,8 @@
 
 #pragma once
 
+#include "clangtoolslogfilereader.h"
+
 #include <memory>
 
 #include <QString>
@@ -47,11 +49,11 @@ public:
     ClangToolRunner(QObject *parent = nullptr) : QObject(parent) {}
     ~ClangToolRunner() override;
 
-    void init(const QString &clangExecutable,
-              const QString &clangLogFileDir,
-              const Utils::Environment &environment);
+    void init(const QString &clangLogFileDir, const Utils::Environment &environment);
     void setName(const QString &name) { m_name = name; }
+    void setExecutable(const QString &executable) { m_executable = executable; }
     void setArgsCreator(const ArgsCreator &argsCreator) { m_argsCreator = argsCreator; }
+    void setOutputFileFormat(const OutputFileFormat &format) { m_outputFileFormat = format; }
 
     // compilerOptions is expected to contain everything except:
     //   (1) filePath, that is the file to analyze
@@ -59,6 +61,7 @@ public:
     bool run(const QString &filePath, const QStringList &compilerOptions = QStringList());
 
     QString name() const { return m_name; }
+    OutputFileFormat outputFileFormat() const { return m_outputFileFormat; }
     QString filePath() const { return m_filePath; }
     QString logFilePath() const { return m_logFile; }
 
@@ -82,11 +85,12 @@ protected:
     QByteArray m_processOutput;
 
 private:
-    QString m_clangExecutable;
     QString m_clangLogFileDir;
 
     QString m_name;
+    QString m_executable;
     ArgsCreator m_argsCreator;
+    OutputFileFormat m_outputFileFormat = OutputFileFormat::Yaml;
 
     QString m_filePath;
     QString m_commandLine;
diff --git a/src/plugins/clangtools/clangtoolslogfilereader.h b/src/plugins/clangtools/clangtoolslogfilereader.h
index 6d53fa67c2..996f7ffbeb 100644
--- a/src/plugins/clangtools/clangtoolslogfilereader.h
+++ b/src/plugins/clangtools/clangtoolslogfilereader.h
@@ -34,6 +34,8 @@ namespace Utils { class FilePath; }
 namespace ClangTools {
 namespace Internal {
 
+enum class OutputFileFormat { Serialized, Yaml };
+
 using AcceptDiagsFromFilePath = std::function<bool(const Utils::FilePath &)>;
 
 // Reads diagnostics generated by "clang -serialize-diagnostics path/to/file"