ClangToolRunner: Flatten the class hierarchy

Instead of creating subclasses of ClangToolRunner configure
the base class according to the tool specifics.

Change-Id: I51b611b2375571453c7f9690499d744582f035c1
Reviewed-by: <[email protected]>
Reviewed-by: David Schulz <[email protected]>

10 files changed, 84 insertions, 159 deletions

diff --git a/src/plugins/clangtools/CMakeLists.txt b/src/plugins/clangtools/CMakeLists.txt
index c0216eb0571..4d7200048fd 100644
--- a/src/plugins/clangtools/CMakeLists.txt
+++ b/src/plugins/clangtools/CMakeLists.txt
@@ -17,7 +17,6 @@ add_qtc_plugin(ClangTools
     clangfileinfo.h
     clangfixitsrefactoringchanges.cpp clangfixitsrefactoringchanges.h
     clangselectablefilesdialog.cpp clangselectablefilesdialog.h
-    clangtidyclazyrunner.cpp clangtidyclazyrunner.h
     clangtool.cpp clangtool.h
     clangtoolruncontrol.cpp clangtoolruncontrol.h
     clangtoolrunner.cpp clangtoolrunner.h
diff --git a/src/plugins/clangtools/clangtidyclazyrunner.cpp b/src/plugins/clangtools/clangtidyclazyrunner.cpp
deleted file mode 100644
index 607c0d6da02..00000000000
--- a/src/plugins/clangtools/clangtidyclazyrunner.cpp
+++ /dev/null
@@ -1,93 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
-
-#include "clangtidyclazyrunner.h"
-
-#include "clangtoolsutils.h"
-
-#include <coreplugin/icore.h>
-
-#include <cppeditor/clangdiagnosticconfigsmodel.h>
-#include <cppeditor/compileroptionsbuilder.h>
-#include <cppeditor/cpptoolsreuse.h>
-
-#include <utils/qtcassert.h>
-#include <utils/qtcprocess.h>
-
-#include <QDebug>
-#include <QLoggingCategory>
-
-static Q_LOGGING_CATEGORY(LOG, "qtc.clangtools.runner", QtWarningMsg)
-
-using namespace CppEditor;
-
-namespace ClangTools {
-namespace Internal {
-
-static bool isClMode(const QStringList &options)
-{
-    return options.contains("--driver-mode=cl");
-}
-
-static QStringList tidyChecksArguments(const ClangDiagnosticConfig diagnosticConfig)
-{
-    const ClangDiagnosticConfig::TidyMode tidyMode = diagnosticConfig.clangTidyMode();
-    // The argument "-config={}" stops stating/evaluating the .clang-tidy file.
-    if (tidyMode == ClangDiagnosticConfig::TidyMode::UseDefaultChecks)
-        return {"-config={}", "-checks=-clang-diagnostic-*"};
-    if (tidyMode == ClangDiagnosticConfig::TidyMode::UseCustomChecks)
-        return {"-config=" + diagnosticConfig.clangTidyChecksAsJson()};
-    return {"--warnings-as-errors=-*", "-checks=-clang-diagnostic-*"};
-}
-
-static QStringList clazyChecksArguments(const ClangDiagnosticConfig diagnosticConfig)
-{
-    const QString clazyChecks = diagnosticConfig.checks(ClangToolType::Clazy);
-    if (!clazyChecks.isEmpty())
-        return {"-checks=" + diagnosticConfig.checks(ClangToolType::Clazy)};
-    return {};
-}
-
-static QStringList clangArguments(const ClangDiagnosticConfig &diagnosticConfig,
-                                  const QStringList &baseOptions)
-{
-    QStringList arguments;
-    arguments << ClangDiagnosticConfigsModel::globalDiagnosticOptions()
-              << (isClMode(baseOptions) ? CppEditor::clangArgsForCl(diagnosticConfig.clangOptions())
-                                        : diagnosticConfig.clangOptions())
-              << baseOptions;
-
-    if (LOG().isDebugEnabled())
-        arguments << QLatin1String("-v");
-
-    return arguments;
-}
-
-ClangTidyRunner::ClangTidyRunner(const ClangDiagnosticConfig &config, QObject *parent)
-    : ClangToolRunner(parent)
-{
-    setName(tr("Clang-Tidy"));
-    setExecutable(toolExecutable(ClangToolType::Tidy));
-    setArgsCreator([this, config](const QStringList &baseOptions) {
-        return QStringList() << tidyChecksArguments(config)
-                             << mainToolArguments()
-                             << "--"
-                             << clangArguments(config, baseOptions);
-    });
-}
-
-ClazyStandaloneRunner::ClazyStandaloneRunner(const ClangDiagnosticConfig &config, QObject *parent)
-    : ClangToolRunner(parent)
-{
-    setName(tr("Clazy"));
-    setExecutable(toolExecutable(ClangToolType::Clazy));
-    setArgsCreator([this, config](const QStringList &baseOptions) {
-        return QStringList() << clazyChecksArguments(config)
-                             << mainToolArguments()
-                             << "--"
-                             << clangArguments(config, baseOptions);
-    });
-}
-
-} // namespace Internal
-} // namespace ClangTools
diff --git a/src/plugins/clangtools/clangtidyclazyrunner.h b/src/plugins/clangtools/clangtidyclazyrunner.h
deleted file mode 100644
index 90d33cc6613..00000000000
--- a/src/plugins/clangtools/clangtidyclazyrunner.h
+++ /dev/null
@@ -1,30 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
-
-#pragma once
-
-#include <cppeditor/clangdiagnosticconfig.h>
-
-#include "clangtoolrunner.h"
-
-namespace ClangTools {
-namespace Internal {
-
-class ClangTidyRunner final : public ClangToolRunner
-{
-    Q_OBJECT
-
-public:
-    ClangTidyRunner(const CppEditor::ClangDiagnosticConfig &config, QObject *parent = nullptr);
-};
-
-class ClazyStandaloneRunner final : public ClangToolRunner
-{
-    Q_OBJECT
-
-public:
-    ClazyStandaloneRunner(const CppEditor::ClangDiagnosticConfig &config, QObject *parent = nullptr);
-};
-
-} // namespace Internal
-} // namespace ClangTools
diff --git a/src/plugins/clangtools/clangtoolruncontrol.cpp b/src/plugins/clangtools/clangtoolruncontrol.cpp
index 71fc145007d..03213a5110a 100644
--- a/src/plugins/clangtools/clangtoolruncontrol.cpp
+++ b/src/plugins/clangtools/clangtoolruncontrol.cpp
@@ -3,8 +3,8 @@
 
 #include "clangtoolruncontrol.h"
 
-#include "clangtidyclazyrunner.h"
 #include "clangtool.h"
+#include "clangtoolrunner.h"
 #include "clangtoolssettings.h"
 #include "clangtoolsutils.h"
 #include "executableinfo.h"
@@ -169,8 +169,8 @@ ClangToolRunWorker::ClangToolRunWorker(ClangTool *tool, RunControl *runControl,
 QList<RunnerCreator> ClangToolRunWorker::runnerCreators()
 {
     if (m_tool == ClangTidyTool::instance())
-        return {[this] { return createRunner<ClangTidyRunner>(); }};
-    return {[this] { return createRunner<ClazyStandaloneRunner>(); }};
+        return {[this] { return createRunner(ClangToolType::Tidy); }};
+    return {[this] { return createRunner(ClangToolType::Clazy); }};
 }
 
 void ClangToolRunWorker::start()
@@ -410,12 +410,11 @@ void ClangToolRunWorker::finalize()
     runControl()->initiateStop();
 }
 
-template<class T>
-ClangToolRunner *ClangToolRunWorker::createRunner()
+ClangToolRunner *ClangToolRunWorker::createRunner(ClangToolType tool)
 {
     using namespace std::placeholders;
-    auto runner = new T(m_diagnosticConfig, this);
-    runner->init(m_temporaryDir.path(), m_environment);
+    auto runner = new ClangToolRunner(
+        {tool, m_diagnosticConfig, m_temporaryDir.path(), m_environment}, this);
     connect(runner, &ClangToolRunner::finishedWithSuccess, this,
             std::bind(&ClangToolRunWorker::onRunnerFinishedWithSuccess, this, runner, _1));
     connect(runner, &ClangToolRunner::finishedWithFailure, this,
diff --git a/src/plugins/clangtools/clangtoolruncontrol.h b/src/plugins/clangtools/clangtoolruncontrol.h
index 8991bc9c672..7e14080724b 100644
--- a/src/plugins/clangtools/clangtoolruncontrol.h
+++ b/src/plugins/clangtools/clangtoolruncontrol.h
@@ -72,7 +72,7 @@ private:
     void stop() final;
 
     QList<RunnerCreator> runnerCreators();
-    template <class T> ClangToolRunner *createRunner();
+    ClangToolRunner *createRunner(CppEditor::ClangToolType tool);
 
     AnalyzeUnits unitsToAnalyze(const Utils::FilePath &clangIncludeDir,
                                 const QString &clangVersion);
diff --git a/src/plugins/clangtools/clangtoolrunner.cpp b/src/plugins/clangtools/clangtoolrunner.cpp
index 3a915a549e0..cc8a253df32 100644
--- a/src/plugins/clangtools/clangtoolrunner.cpp
+++ b/src/plugins/clangtools/clangtoolrunner.cpp
@@ -3,6 +3,11 @@
 
 #include "clangtoolrunner.h"
 
+#include "clangtoolsutils.h"
+
+#include <cppeditor/clangdiagnosticconfigsmodel.h>
+#include <cppeditor/compileroptionsbuilder.h>
+
 #include <utils/environment.h>
 #include <utils/qtcassert.h>
 #include <utils/qtcprocess.h>
@@ -15,11 +20,50 @@
 
 static Q_LOGGING_CATEGORY(LOG, "qtc.clangtools.runner", QtWarningMsg)
 
+using namespace CppEditor;
 using namespace Utils;
 
 namespace ClangTools {
 namespace Internal {
 
+static bool isClMode(const QStringList &options)
+{
+    return options.contains("--driver-mode=cl");
+}
+
+static QStringList checksArguments(ClangToolType tool,
+                                   const ClangDiagnosticConfig &diagnosticConfig)
+{
+    if (tool == ClangToolType::Tidy) {
+        const ClangDiagnosticConfig::TidyMode tidyMode = diagnosticConfig.clangTidyMode();
+        // The argument "-config={}" stops stating/evaluating the .clang-tidy file.
+        if (tidyMode == ClangDiagnosticConfig::TidyMode::UseDefaultChecks)
+            return {"-config={}", "-checks=-clang-diagnostic-*"};
+        if (tidyMode == ClangDiagnosticConfig::TidyMode::UseCustomChecks)
+            return {"-config=" + diagnosticConfig.clangTidyChecksAsJson()};
+        return {"--warnings-as-errors=-*", "-checks=-clang-diagnostic-*"};
+    }
+    const QString clazyChecks = diagnosticConfig.checks(ClangToolType::Clazy);
+    if (!clazyChecks.isEmpty())
+        return {"-checks=" + diagnosticConfig.checks(ClangToolType::Clazy)};
+    return {};
+}
+
+static QStringList clangArguments(const ClangDiagnosticConfig &diagnosticConfig,
+                                  const QStringList &baseOptions)
+{
+    QStringList arguments;
+    arguments << ClangDiagnosticConfigsModel::globalDiagnosticOptions()
+              << (isClMode(baseOptions) ? clangArgsForCl(diagnosticConfig.clangOptions())
+                                        : diagnosticConfig.clangOptions())
+              << baseOptions;
+
+    if (LOG().isDebugEnabled())
+        arguments << QLatin1String("-v");
+
+    return arguments;
+}
+
 static QString generalProcessError(const QString &name)
 {
     return ClangToolRunner::tr("An error occurred with the %1 process.").arg(name);
@@ -35,16 +79,21 @@ static QString finishedWithBadExitCode(const QString &name, int exitCode)
     return ClangToolRunner::tr("%1 finished with exit code: %2.").arg(name).arg(exitCode);
 }
 
-ClangToolRunner::ClangToolRunner(QObject *parent)
+ClangToolRunner::ClangToolRunner(const AnalyzeInputData &input, QObject *parent)
     : QObject(parent)
-{}
-
-void ClangToolRunner::init(const FilePath &outputDirPath, const Environment &environment)
 {
-    m_outputDirPath = outputDirPath;
+    m_name = input.tool == ClangToolType::Tidy ? tr("Clang-Tidy") : tr("Clazy");
+    m_executable = toolExecutable(input.tool);
+    m_argsCreator = [this, input](const QStringList &baseOptions) {
+        return QStringList() << checksArguments(input.tool, input.config)
+                             << mainToolArguments()
+                             << "--"
+                             << clangArguments(input.config, baseOptions);
+    };
+    m_outputDirPath = input.outputDirPath;
     QTC_CHECK(!m_outputDirPath.isEmpty());
 
-    m_process.setEnvironment(environment);
+    m_process.setEnvironment(input.environment);
     m_process.setUseCtrlCStub(true);
     m_process.setWorkingDirectory(m_outputDirPath); // Current clang-cl puts log file into working dir.
     connect(&m_process, &QtcProcess::done, this, &ClangToolRunner::onProcessDone);
@@ -85,7 +134,7 @@ static QString createOutputFilePath(const FilePath &dirPath, const QString &file
         temporaryFile.close();
         return temporaryFile.fileName();
     }
-    return QString();
+    return {};
 }
 
 bool ClangToolRunner::run(const QString &fileToAnalyze, const QStringList &compilerOptions)
diff --git a/src/plugins/clangtools/clangtoolrunner.h b/src/plugins/clangtools/clangtoolrunner.h
index 1fa6e1e17b8..300a891478e 100644
--- a/src/plugins/clangtools/clangtoolrunner.h
+++ b/src/plugins/clangtools/clangtoolrunner.h
@@ -3,7 +3,10 @@
 
 #pragma once
 
+#include <cppeditor/clangdiagnosticconfig.h>
+
 #include <utils/commandline.h>
+#include <utils/environment.h>
 #include <utils/qtcprocess.h>
 
 #include <memory>
@@ -13,14 +16,20 @@ namespace Internal {
 
 using ArgsCreator = std::function<QStringList(const QStringList &baseOptions)>;
 
+struct AnalyzeInputData
+{
+    CppEditor::ClangToolType tool = CppEditor::ClangToolType::Tidy;
+    CppEditor::ClangDiagnosticConfig config;
+    Utils::FilePath outputDirPath;
+    Utils::Environment environment;
+};
 class ClangToolRunner : public QObject
 {
     Q_OBJECT
 
 public:
-    ClangToolRunner(QObject *parent = nullptr);
+    ClangToolRunner(const AnalyzeInputData &input, QObject *parent = nullptr);
 
-    void init(const Utils::FilePath &outputDirPath, const Utils::Environment &environment);
     void setVFSOverlay(const QString overlayFilePath) { m_overlayFilePath = overlayFilePath; }
 
     QString name() const { return m_name; }
@@ -32,22 +41,17 @@ public:
     // compilerOptions is expected to contain everything except:
     //   (1) file to analyze
     //   (2) -o output-file
-    bool run(const QString &fileToAnalyze, const QStringList &compilerOptions = QStringList());
+    bool run(const QString &fileToAnalyze, const QStringList &compilerOptions = {});
 
 signals:
     void finishedWithSuccess(const QString &fileToAnalyze);
     void finishedWithFailure(const QString &errorMessage, const QString &errorDetails);
 
-protected:
-    void setName(const QString &name) { m_name = name; }
-    void setExecutable(const Utils::FilePath &executable) { m_executable = executable; }
-    void setArgsCreator(const ArgsCreator &argsCreator) { m_argsCreator = argsCreator; }
-    QStringList mainToolArguments() const;
-
 private:
     void onProcessOutput();
     void onProcessDone();
 
+    QStringList mainToolArguments() const;
     QString commandlineAndOutput() const;
 
     QString m_overlayFilePath;
diff --git a/src/plugins/clangtools/clangtools.qbs b/src/plugins/clangtools/clangtools.qbs
index 54d47db9a25..9c86d4bb113 100644
--- a/src/plugins/clangtools/clangtools.qbs
+++ b/src/plugins/clangtools/clangtools.qbs
@@ -28,8 +28,6 @@ QtcPlugin {
         "clangfixitsrefactoringchanges.h",
         "clangselectablefilesdialog.cpp",
         "clangselectablefilesdialog.h",
-        "clangtidyclazyrunner.cpp",
-        "clangtidyclazyrunner.h",
         "clangtool.cpp",
         "clangtool.h",
         "clangtoolruncontrol.cpp",
diff --git a/src/plugins/clangtools/documentclangtoolrunner.cpp b/src/plugins/clangtools/documentclangtoolrunner.cpp
index 5fbff575cd6..bbeb241fbee 100644
--- a/src/plugins/clangtools/documentclangtoolrunner.cpp
+++ b/src/plugins/clangtools/documentclangtoolrunner.cpp
@@ -4,11 +4,11 @@
 #include "documentclangtoolrunner.h"
 
 #include "clangfileinfo.h"
-#include "clangtidyclazyrunner.h"
 #include "clangtoolruncontrol.h"
 #include "clangtoolsconstants.h"
 #include "clangtoolslogfilereader.h"
 #include "clangtoolsprojectsettings.h"
+#include "clangtoolrunner.h"
 #include "clangtoolsutils.h"
 #include "diagnosticmark.h"
 #include "executableinfo.h"
@@ -200,12 +200,12 @@ void DocumentClangToolRunner::run()
                     Environment env = projectBuildEnvironment(project);
                     if (config.isEnabled(ClangToolType::Tidy)) {
                         m_runnerCreators << [this, env, config] {
-                            return createRunner<ClangTidyRunner>(config, env);
+                            return createRunner(ClangToolType::Tidy, config, env);
                         };
                     }
                     if (config.isEnabled(ClangToolType::Clazy)) {
                         m_runnerCreators << [this, env, config] {
-                            return createRunner<ClazyStandaloneRunner>(config, env);
+                            return createRunner(ClangToolType::Clazy, config, env);
                         };
                     }
                 }
@@ -364,12 +364,11 @@ const ClangDiagnosticConfig DocumentClangToolRunner::getDiagnosticConfig(Project
     return diagnosticConfig(id);
 }
 
-template<class T>
-ClangToolRunner *DocumentClangToolRunner::createRunner(const ClangDiagnosticConfig &config,
+ClangToolRunner *DocumentClangToolRunner::createRunner(ClangToolType tool,
+                                                       const ClangDiagnosticConfig &config,
                                                        const Environment &env)
 {
-    auto runner = new T(config, this);
-    runner->init(m_temporaryDir.path(), env);
+    auto runner = new ClangToolRunner({tool, config, m_temporaryDir.path(), env}, this);
     connect(runner, &ClangToolRunner::finishedWithSuccess,
             this, &DocumentClangToolRunner::onSuccess);
     connect(runner, &ClangToolRunner::finishedWithFailure,
diff --git a/src/plugins/clangtools/documentclangtoolrunner.h b/src/plugins/clangtools/documentclangtoolrunner.h
index 3a0dd138295..c74d103d61e 100644
--- a/src/plugins/clangtools/documentclangtoolrunner.h
+++ b/src/plugins/clangtools/documentclangtoolrunner.h
@@ -49,8 +49,8 @@ private:
     bool isSuppressed(const Diagnostic &diagnostic) const;
 
     const CppEditor::ClangDiagnosticConfig getDiagnosticConfig(ProjectExplorer::Project *project);
-    template<class T>
-    ClangToolRunner *createRunner(const CppEditor::ClangDiagnosticConfig &config,
+    ClangToolRunner *createRunner(CppEditor::ClangToolType tool,
+                                  const CppEditor::ClangDiagnosticConfig &config,
                                   const Utils::Environment &env);
 
     QTimer m_runTimer;