CppEditor: Clean up ModelManagerSupport creation

No need for "providers" etc.

Change-Id: I4ae9e8ecd6b3554711e002f233c13fd7758f01e4
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/clangcodemodel/clangcodemodelplugin.cpp

@@ -26,6 +26,7 @@
 #include "clangcodemodelplugin.h"
 
 #include "clangconstants.h"
+#include "clangmodelmanagersupport.h"
 #include "clangutils.h"
 
 #ifdef WITH_TESTS
@@ -115,7 +116,8 @@ bool ClangCodeModelPlugin::initialize(const QStringList &arguments, QString *err
             this,
             &ClangCodeModelPlugin::maybeHandleBatchFileAndExit);
 
-    CppEditor::CppModelManager::instance()->activateClangCodeModel(&m_modelManagerSupportProvider);
+    CppEditor::CppModelManager::instance()->activateClangCodeModel(
+                std::make_unique<ClangModelManagerSupport>());
 
     createCompilationDBButton();
 

src/plugins/clangcodemodel/clangcodemodelplugin.h

@@ -25,7 +25,6 @@
 
 #pragma once
 
-#include "clangmodelmanagersupport.h"
 #include "clangutils.h"
 
 #include <extensionsystem/iplugin.h>
@@ -53,7 +52,6 @@ private:
     void generateCompilationDB();
     void createCompilationDBButton();
 
-    ClangModelManagerSupportProvider m_modelManagerSupportProvider;
     Utils::ParameterAction *m_generateCompilationDBAction = nullptr;
     QFutureWatcher<GenerateCompilationDbResult> m_generatorWatcher;
 #ifdef WITH_TESTS

src/plugins/clangcodemodel/clangconstants.h

@@ -28,7 +28,6 @@
 namespace ClangCodeModel {
 namespace Constants {
 
-const char CLANG_MODELMANAGERSUPPORT_ID[] = "ClangCodeModel.ClangCodeModel";
 const char GENERATE_COMPILATION_DB[]  = "ClangCodeModel.GenerateCompilationDB";
 const char CLANG_ERROR[] = "Clang.Error";
 const char CLANG_WARNING[] = "Clang.Warning";

src/plugins/clangcodemodel/clangmodelmanagersupport.cpp

@@ -825,22 +825,5 @@ ClangModelManagerSupport *ClangModelManagerSupport::instance()
     return m_instance;
 }
 
-QString ClangModelManagerSupportProvider::id() const
-{
-    return QLatin1String(Constants::CLANG_MODELMANAGERSUPPORT_ID);
-}
-
-QString ClangModelManagerSupportProvider::displayName() const
-{
-    //: Display name
-    return QCoreApplication::translate("ClangCodeModel::Internal::ModelManagerSupport",
-                                       "Clang");
-}
-
-CppEditor::ModelManagerSupport::Ptr ClangModelManagerSupportProvider::createModelManagerSupport()
-{
-    return CppEditor::ModelManagerSupport::Ptr(new ClangModelManagerSupport);
-}
-
 } // Internal
 } // ClangCodeModel

src/plugins/clangcodemodel/clangmodelmanagersupport.h

@@ -123,14 +123,5 @@ private:
     QHash<Utils::FilePath, QString> m_queuedShadowDocuments;
 };
 
-class ClangModelManagerSupportProvider : public CppEditor::ModelManagerSupportProvider
-{
-public:
-    QString id() const override;
-    QString displayName() const override;
-
-    CppEditor::ModelManagerSupport::Ptr createModelManagerSupport() override;
-};
-
 } // namespace Internal
 } // namespace ClangCodeModel

src/plugins/cppeditor/cppbuiltinmodelmanagersupport.cpp

@@ -88,22 +88,6 @@ private:
 };
 } // anonymous namespace
 
-QString BuiltinModelManagerSupportProvider::id() const
-{
-    return QLatin1String("CppEditor.BuiltinCodeModel");
-}
-
-QString BuiltinModelManagerSupportProvider::displayName() const
-{
-    return QCoreApplication::translate("ModelManagerSupportInternal::displayName",
-                                       "%1 Built-in").arg(Core::Constants::IDE_DISPLAY_NAME);
-}
-
-ModelManagerSupport::Ptr BuiltinModelManagerSupportProvider::createModelManagerSupport()
-{
-    return ModelManagerSupport::Ptr(new BuiltinModelManagerSupport);
-}
-
 BuiltinModelManagerSupport::BuiltinModelManagerSupport()
     : m_completionAssistProvider(new InternalCompletionAssistProvider),
       m_followSymbol(new FollowSymbolUnderCursor)

src/plugins/cppeditor/cppbuiltinmodelmanagersupport.h

@@ -65,13 +65,4 @@ private:
     QScopedPointer<FollowSymbolUnderCursor> m_followSymbol;
 };
 
-class BuiltinModelManagerSupportProvider : public ModelManagerSupportProvider
-{
-public:
-    QString id() const override;
-    QString displayName() const override;
-
-    ModelManagerSupport::Ptr createModelManagerSupport() override;
-};
-
 } // namespace CppEditor::Internal

src/plugins/cppeditor/cppmodelmanager.cpp

@@ -177,8 +177,9 @@ public:
     QSet<AbstractEditorSupport *> m_extraEditorSupports;
 
     // Model Manager Supports for e.g. completion and highlighting
-    ModelManagerSupport::Ptr m_builtinModelManagerSupport;
-    ModelManagerSupport::Ptr m_activeModelManagerSupport;
+    BuiltinModelManagerSupport m_builtinModelManagerSupport;
+    std::unique_ptr<ModelManagerSupport> m_extendedModelManagerSupport;
+    ModelManagerSupport *m_activeModelManagerSupport = &m_builtinModelManagerSupport;
 
     // Indexing
     CppIndexingSupport *m_internalIndexingSupport;
@@ -307,8 +308,8 @@ QString CppModelManager::editorConfigurationFileName()
 
 ModelManagerSupport *CppModelManager::modelManagerSupport(Backend backend) const
 {
-    return (backend == Backend::Builtin
-            ? d->m_builtinModelManagerSupport : d->m_activeModelManagerSupport).data();
+    return backend == Backend::Builtin
+            ? &d->m_builtinModelManagerSupport : d->m_activeModelManagerSupport;
 }
 
 void CppModelManager::startLocalRenaming(const CursorInEditor &data,
@@ -477,8 +478,7 @@ SignalSlotType CppModelManager::getSignalSlotType(const QString &filePath,
 
 FollowSymbolUnderCursor &CppModelManager::builtinFollowSymbol()
 {
-    return instance()->d->m_builtinModelManagerSupport.staticCast<BuiltinModelManagerSupport>()
-            ->followSymbolInterface();
+    return instance()->d->m_builtinModelManagerSupport.followSymbolInterface();
 }
 
 template<class FilterClass>
@@ -551,7 +551,7 @@ Core::ILocatorFilter *CppModelManager::currentDocumentFilter() const
 
 std::unique_ptr<AbstractOverviewModel> CppModelManager::createOverviewModel() const
 {
-    return d->m_builtinModelManagerSupport->createOverviewModel();
+    return d->m_builtinModelManagerSupport.createOverviewModel();
 }
 
 QString CppModelManager::configurationFileName()
@@ -620,13 +620,6 @@ void CppModelManager::initCppTools()
                 std::make_unique<Internal::CppCurrentDocumentFilter>(this));
 }
 
-void CppModelManager::initializeBuiltinModelManagerSupport()
-{
-    d->m_builtinModelManagerSupport
-            = BuiltinModelManagerSupportProvider().createModelManagerSupport();
-    d->m_activeModelManagerSupport = d->m_builtinModelManagerSupport;
-}
-
 CppModelManager::CppModelManager()
     : CppModelManagerBase(nullptr)
     , d(new CppModelManagerPrivate)
@@ -691,8 +684,6 @@ CppModelManager::CppModelManager()
     qRegisterMetaType<QList<Document::DiagnosticMessage>>(
                 "QList<CPlusPlus::Document::DiagnosticMessage>");
 
-    initializeBuiltinModelManagerSupport();
-
     d->m_internalIndexingSupport = new BuiltinIndexingSupport;
 
     initCppTools();
@@ -1308,7 +1299,7 @@ bool CppModelManager::usesClangd(const TextEditor::TextDocument *document)
 
 bool CppModelManager::isClangCodeModelActive() const
 {
-    return d->m_activeModelManagerSupport != d->m_builtinModelManagerSupport;
+    return d->m_activeModelManagerSupport != &d->m_builtinModelManagerSupport;
 }
 
 void CppModelManager::emitDocumentUpdated(Document::Ptr doc)
@@ -1639,21 +1630,20 @@ void CppModelManager::finishedRefreshingSourceFiles(const QSet<QString> &files)
 }
 
 void CppModelManager::activateClangCodeModel(
-        ModelManagerSupportProvider *modelManagerSupportProvider)
+        std::unique_ptr<ModelManagerSupport> &&modelManagerSupport)
 {
-    QTC_ASSERT(modelManagerSupportProvider, return);
-
-    d->m_activeModelManagerSupport = modelManagerSupportProvider->createModelManagerSupport();
+    d->m_extendedModelManagerSupport = std::move(modelManagerSupport);
+    d->m_activeModelManagerSupport = d->m_extendedModelManagerSupport.get();
 }
 
 CppCompletionAssistProvider *CppModelManager::completionAssistProvider() const
 {
-    return d->m_builtinModelManagerSupport->completionAssistProvider();
+    return d->m_builtinModelManagerSupport.completionAssistProvider();
 }
 
 TextEditor::BaseHoverHandler *CppModelManager::createHoverHandler() const
 {
-    return d->m_builtinModelManagerSupport->createHoverHandler();
+    return d->m_builtinModelManagerSupport.createHoverHandler();
 }
 
 void CppModelManager::followSymbol(const CursorInEditor &data,

src/plugins/cppeditor/cppmodelmanager.h

@@ -41,6 +41,8 @@
 #include <QObject>
 #include <QStringList>
 
+#include <memory>
+
 namespace Core {
 class IDocument;
 class IEditor;
@@ -177,7 +179,7 @@ public:
 
     void finishedRefreshingSourceFiles(const QSet<QString> &files);
 
-    void activateClangCodeModel(ModelManagerSupportProvider *modelManagerSupportProvider);
+    void activateClangCodeModel(std::unique_ptr<ModelManagerSupport> &&modelManagerSupport);
     CppCompletionAssistProvider *completionAssistProvider() const;
     BaseEditorDocumentProcessor *createEditorDocumentProcessor(
                     TextEditor::TextDocument *baseTextDocument) const;
@@ -291,7 +293,6 @@ private:
     void onCoreAboutToClose();
     void setupFallbackProjectPart();
 
-    void initializeBuiltinModelManagerSupport();
     void delayedGC();
     void recalculateProjectPartMappings();
 

src/plugins/cppeditor/cppmodelmanagersupport.h

@@ -76,15 +76,4 @@ public:
     virtual void switchHeaderSource(const Utils::FilePath &filePath, bool inNextSplit) = 0;
 };
 
-class CPPEDITOR_EXPORT ModelManagerSupportProvider
-{
-public:
-    virtual ~ModelManagerSupportProvider() = default;
-
-    virtual QString id() const = 0;
-    virtual QString displayName() const = 0;
-
-    virtual ModelManagerSupport::Ptr createModelManagerSupport() = 0;
-};
-
 } // CppEditor namespace