C++: remove builtin RefactoringEngine dependency from CppEditor

Move CppRefactoringEngine to CppTools and builtin member
ownership to model manager.

Change-Id: I3e72308559fd2928229f9f25d4dd09beb3f56c34
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

src/plugins/clangrefactoring/clangrefactoringplugin.cpp

@@ -96,6 +96,7 @@ void ClangRefactoringPlugin::extensionsInitialized()
 ExtensionSystem::IPlugin::ShutdownFlag ClangRefactoringPlugin::aboutToShutdown()
 {
     ExtensionSystem::PluginManager::removeObject(&d->qtCreatorfindFilter);
+    CppTools::CppModelManager::setRefactoringEngine(nullptr);
     d->refactoringClient.setRefactoringConnectionClient(nullptr);
     d->refactoringClient.setRefactoringEngine(nullptr);
 

src/plugins/cppeditor/cppeditor.pro

@@ -26,7 +26,6 @@ HEADERS += \
     cppquickfix.h \
     cppquickfixassistant.h \
     cppquickfixes.h \
-    cpprefactoringengine.h \
     cpptypehierarchy.h \
     cppuseselectionsupdater.h \
     resourcepreviewhoverhandler.h
@@ -53,7 +52,6 @@ SOURCES += \
     cppquickfix.cpp \
     cppquickfixassistant.cpp \
     cppquickfixes.cpp \
-    cpprefactoringengine.cpp \
     cpptypehierarchy.cpp \
     cppuseselectionsupdater.cpp \
     resourcepreviewhoverhandler.cpp

src/plugins/cppeditor/cppeditor.qbs

@@ -68,8 +68,6 @@ QtcPlugin {
         "cppquickfixassistant.h",
         "cppquickfixes.cpp",
         "cppquickfixes.h",
-        "cpprefactoringengine.cpp",
-        "cpprefactoringengine.h",
         "cpptypehierarchy.cpp",
         "cpptypehierarchy.h",
         "cppuseselectionsupdater.cpp",

src/plugins/cppeditor/cppeditorwidget.cpp

@@ -36,7 +36,6 @@
 #include "cppminimizableinfobars.h"
 #include "cpppreprocessordialog.h"
 #include "cppquickfixassistant.h"
-#include "cpprefactoringengine.h"
 #include "cppuseselectionsupdater.h"
 
 #include <clangsupport/sourcelocationscontainer.h>
@@ -130,7 +129,6 @@ public:
     CppLocalRenaming m_localRenaming;
     CppUseSelectionsUpdater m_useSelectionsUpdater;
     CppSelectionChanger m_cppSelectionChanger;
-    CppRefactoringEngine m_builtinRefactoringEngine;
 };
 
 CppEditorWidgetPrivate::CppEditorWidgetPrivate(CppEditorWidget *q)
@@ -361,7 +359,7 @@ void CppEditorWidget::findUsages()
     }
 }
 
-void CppEditorWidget::renameUsages(const QString &replacement)
+void CppEditorWidget::renameUsagesInternal(const QString &replacement)
 {
     if (!d->m_modelManager)
         return;
@@ -522,7 +520,7 @@ void CppEditorWidget::renameSymbolUnderCursor()
     using ClangBackEnd::SourceLocationsContainer;
 
     ProjectPart *projPart = projectPart();
-    if (!refactoringEngine()->isUsable() || !projPart)
+    if (!refactoringEngine().isUsable() || !projPart)
         return;
 
     d->m_useSelectionsUpdater.abortSchedule();
@@ -546,14 +544,14 @@ void CppEditorWidget::renameSymbolUnderCursor()
                 d->m_localRenaming.updateSelectionsForVariableUnderCursor(selections);
             }
             if (!d->m_localRenaming.start()) {
-                refactoringEngine()->startGlobalRenaming(
+                refactoringEngine().startGlobalRenaming(
                     CppTools::CursorInEditor{textCursor(), textDocument()->filePath(), this});
             }
         }
     };
 
     viewport()->setCursor(Qt::BusyCursor);
-    refactoringEngine()->startLocalRenaming(CppTools::CursorInEditor{textCursor(),
+    refactoringEngine().startLocalRenaming(CppTools::CursorInEditor{textCursor(),
                                                                      textDocument()->filePath(),
                                                                      this},
                                             projPart,
@@ -682,11 +680,9 @@ RefactorMarkers CppEditorWidget::refactorMarkersWithoutClangMarkers() const
     return clearedRefactorMarkers;
 }
 
-RefactoringEngineInterface *CppEditorWidget::refactoringEngine() const
+RefactoringEngineInterface &CppEditorWidget::refactoringEngine() const
 {
-    RefactoringEngineInterface *engine = CppTools::CppModelManager::refactoringEngine();
+    return CppTools::CppModelManager::refactoringEngine();
-    return engine ? engine
-                  : static_cast<RefactoringEngineInterface *>(&d->m_builtinRefactoringEngine);
 }
 
 CppTools::FollowSymbolInterface &CppEditorWidget::followSymbolInterface() const

src/plugins/cppeditor/cppeditorwidget.h

@@ -81,7 +81,6 @@ public:
 
     void findUsages();
     void renameSymbolUnderCursor();
-    void renameUsages(const QString &replacement = QString());
 
     bool selectBlockUp() override;
     bool selectBlockDown() override;
@@ -106,6 +105,8 @@ protected:
 
     void slotCodeStyleSettingsChanged(const QVariant &) override;
 
+    void renameUsagesInternal(const QString &replacement) override;
+
 private:
     void updateFunctionDeclDefLink();
     void updateFunctionDeclDefLinkNow();
@@ -138,7 +139,7 @@ private:
     TextEditor::RefactorMarkers refactorMarkersWithoutClangMarkers() const;
 
     CppTools::FollowSymbolInterface &followSymbolInterface() const;
-    CppTools::RefactoringEngineInterface *refactoringEngine() const;
+    CppTools::RefactoringEngineInterface &refactoringEngine() const;
 
     CppTools::ProjectPart *projectPart() const;
 

src/plugins/cpptools/cppeditorwidgetinterface.h

@@ -29,6 +29,8 @@
 
 #include <texteditor/codeassist/assistenums.h>
 
+#include <QString>
+
 namespace TextEditor { class IAssistProvider; }
 
 namespace CppTools {
@@ -36,8 +38,14 @@ namespace CppTools {
 class CPPTOOLS_EXPORT CppEditorWidgetInterface
 {
 public:
+    void renameUsages(const QString &replacement = QString())
+    {
+        return renameUsagesInternal(replacement);
+    }
+
     virtual void showPreProcessorWidget() = 0;
     virtual void updateSemanticInfo() = 0;
+    virtual void renameUsagesInternal(const QString &replacement) = 0;
 
     virtual void invokeTextEditorWidgetAssist(TextEditor::AssistKind assistKind,
                                               TextEditor::IAssistProvider *provider) = 0;

src/plugins/cpptools/cppmodelmanager.cpp

@@ -33,6 +33,7 @@
 #include "cppindexingsupport.h"
 #include "cppmodelmanagersupportinternal.h"
 #include "cpprefactoringchanges.h"
+#include "cpprefactoringengine.h"
 #include "cppsourceprocessor.h"
 #include "cpptoolsconstants.h"
 #include "cpptoolsplugin.h"
@@ -165,7 +166,8 @@ public:
     QTimer m_delayedGcTimer;
 
     // Refactoring
-    RefactoringEngineInterface *m_refactoringEngine = nullptr;
+    CppRefactoringEngine m_builtInRefactoringEngine;
+    RefactoringEngineInterface *m_refactoringEngine { &m_builtInRefactoringEngine };
 };
 
 } // namespace Internal
@@ -267,12 +269,15 @@ QString CppModelManager::editorConfigurationFileName()
 
 void CppModelManager::setRefactoringEngine(RefactoringEngineInterface *refactoringEngine)
 {
-    instance()->d->m_refactoringEngine = refactoringEngine;
+    if (refactoringEngine)
+        instance()->d->m_refactoringEngine = refactoringEngine;
+    else
+        instance()->d->m_refactoringEngine = &instance()->d->m_builtInRefactoringEngine;
 }
 
-RefactoringEngineInterface *CppModelManager::refactoringEngine()
+RefactoringEngineInterface &CppModelManager::refactoringEngine()
 {
-    return instance()->d->m_refactoringEngine;
+    return *instance()->d->m_refactoringEngine;
 }
 
 FollowSymbolInterface &CppModelManager::followSymbolInterface() const

src/plugins/cpptools/cppmodelmanager.h

@@ -180,7 +180,7 @@ public:
     static QString editorConfigurationFileName();
 
     static void setRefactoringEngine(RefactoringEngineInterface *refactoringEngine);
-    static RefactoringEngineInterface *refactoringEngine();
+    static RefactoringEngineInterface &refactoringEngine();
 
     void renameIncludes(const QString &oldFileName, const QString &newFileName);
 

src/plugins/cpptools/cpprefactoringengine.cpp

@@ -24,18 +24,17 @@
 ****************************************************************************/
 
 #include "cpprefactoringengine.h"
-#include "cppeditorwidget.h"
+#include "texteditor/texteditor.h"
 
 #include "utils/qtcassert.h"
 
-namespace CppEditor {
+namespace CppTools {
-namespace Internal {
 
 void CppRefactoringEngine::startLocalRenaming(const CppTools::CursorInEditor &data,
                                               CppTools::ProjectPart *,
                                               RenameCallback &&renameSymbolsCallback)
 {
-    CppEditorWidget *editorWidget = dynamic_cast<CppEditorWidget *>(data.editorWidget());
+    CppEditorWidgetInterface *editorWidget = data.editorWidget();
     QTC_ASSERT(editorWidget, renameSymbolsCallback(QString(),
                                                    ClangBackEnd::SourceLocationsContainer(),
                                                    0); return;);
@@ -43,16 +42,14 @@ void CppRefactoringEngine::startLocalRenaming(const CppTools::CursorInEditor &da
     // Call empty callback
     renameSymbolsCallback(QString(),
                           ClangBackEnd::SourceLocationsContainer(),
-                          editorWidget->document()->revision());
+                          data.cursor().document()->revision());
 }
 
 void CppRefactoringEngine::startGlobalRenaming(const CppTools::CursorInEditor &data)
 {
-    CppEditorWidget *editorWidget = dynamic_cast<CppEditorWidget *>(data.editorWidget());
+    CppEditorWidgetInterface *editorWidget = data.editorWidget();
-    if (!editorWidget)
+    QTC_ASSERT(editorWidget, return;);
-        return;
     editorWidget->renameUsages();
 }
 
-} // namespace Internal
 } // namespace CppEditor

src/plugins/cpptools/cpprefactoringengine.h

@@ -25,14 +25,11 @@
 
 #pragma once
 
-#include <cpptools/refactoringengineinterface.h>
+#include "refactoringengineinterface.h"
 
-namespace CppEditor {
+namespace CppTools {
-namespace Internal {
 
-class CppEditorWidget;
+class CPPTOOLS_EXPORT CppRefactoringEngine : public RefactoringEngineInterface
-
-class CppRefactoringEngine : public CppTools::RefactoringEngineInterface
 {
 public:
     void startLocalRenaming(const CppTools::CursorInEditor &data,
@@ -43,5 +40,4 @@ public:
     bool isUsable() const override { return true; }
 };
 
-} // namespace Internal
 } // namespace CppEditor

src/plugins/cpptools/cpptools.pro

@@ -51,6 +51,7 @@ HEADERS += \
     cppqtstyleindenter.h \
     cpprawprojectpart.h \
     cpprefactoringchanges.h \
+    cpprefactoringengine.h \
     cppselectionchanger.h \
     cppsemanticinfo.h \
     cppsemanticinfoupdater.h \
@@ -143,6 +144,7 @@ SOURCES += \
     cppqtstyleindenter.cpp \
     cpprawprojectpart.cpp \
     cpprefactoringchanges.cpp \
+    cpprefactoringengine.cpp \
     cppselectionchanger.cpp \
     cppsemanticinfoupdater.cpp \
     cppsourceprocessor.cpp \

src/plugins/cpptools/cpptools.qbs

@@ -136,6 +136,8 @@ Project {
             "cpprawprojectpart.h",
             "cpprefactoringchanges.cpp",
             "cpprefactoringchanges.h",
+            "cpprefactoringengine.cpp",
+            "cpprefactoringengine.h",
             "cppselectionchanger.cpp",
             "cppselectionchanger.h",
             "cppsemanticinfo.h",

src/plugins/cpptools/refactoringengineinterface.h

@@ -25,7 +25,9 @@
 
 #pragma once
 
+#include "cpptools_global.h"
 #include "cursorineditor.h"
+
 #include <utils/fileutils.h>
 
 #include <clangsupport/sourcelocationscontainer.h>
@@ -46,7 +48,7 @@ enum class CallType
 };
 
 // NOTE: This interface is not supposed to be owned as an interface pointer
-class RefactoringEngineInterface
+class CPPTOOLS_EXPORT RefactoringEngineInterface
 {
 public:
     using RenameCallback = ClangBackEnd::RefactoringClientInterface::RenameCallback;