Qml Tooling: Replace bare pointers with QScopedPointer

This way we don't have to manually initialize and delete them.

Change-Id: I0104c744dba380e957271d0924498e3643856e9e
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>

src/qml/jsruntime/qv4engine.cpp

@@ -141,10 +141,6 @@ ExecutionEngine::ExecutionEngine(EvalISelFactory *factory)
     , m_engineId(engineSerial.fetchAndAddOrdered(1))
     , regExpCache(0)
     , m_multiplyWrappedQObjects(0)
-#ifndef QT_NO_QML_DEBUGGER
-    , m_debugger(0)
-    , m_profiler(0)
-#endif
 {
     memoryManager = new QV4::MemoryManager(this);
 
@@ -477,12 +473,6 @@ ExecutionEngine::ExecutionEngine(EvalISelFactory *factory)
 
 ExecutionEngine::~ExecutionEngine()
 {
-#ifndef QT_NO_QML_DEBUGGER
-    delete m_debugger;
-    m_debugger = 0;
-    delete m_profiler;
-    m_profiler = 0;
-#endif
     delete m_multiplyWrappedQObjects;
     m_multiplyWrappedQObjects = 0;
     delete identifierTable;
@@ -508,13 +498,13 @@ ExecutionEngine::~ExecutionEngine()
 void ExecutionEngine::setDebugger(Debugging::Debugger *debugger)
 {
     Q_ASSERT(!m_debugger);
-    m_debugger = debugger;
+    m_debugger.reset(debugger);
 }
 
 void ExecutionEngine::setProfiler(Profiling::Profiler *profiler)
 {
     Q_ASSERT(!m_profiler);
-    m_profiler = profiler;
+    m_profiler.reset(profiler);
 }
 #endif // QT_NO_QML_DEBUGGER
 

src/qml/jsruntime/qv4engine_p.h

@@ -353,8 +353,8 @@ public:
     void setDebugger(Debugging::Debugger *) {}
     void setProfiler(Profiling::Profiler *) {}
 #else
-    QV4::Debugging::Debugger *debugger() const { return m_debugger; }
-    QV4::Profiling::Profiler *profiler() const { return m_profiler; }
+    QV4::Debugging::Debugger *debugger() const { return m_debugger.data(); }
+    QV4::Profiling::Profiler *profiler() const { return m_profiler.data(); }
 
     void setDebugger(Debugging::Debugger *debugger);
     void setProfiler(Profiling::Profiler *profiler);
@@ -464,8 +464,8 @@ private:
     void failStackLimitCheck(Scope &scope);
 
 #ifndef QT_NO_QML_DEBUGGER
-    QV4::Debugging::Debugger *m_debugger;
-    QV4::Profiling::Profiler *m_profiler;
+    QScopedPointer<QV4::Debugging::Debugger> m_debugger;
+    QScopedPointer<QV4::Profiling::Profiler> m_profiler;
 #endif
 };
 

src/qml/qml/qqmltypeloader.cpp

@@ -962,6 +962,14 @@ void QQmlTypeLoader::invalidate()
 #endif // qml_network
 }
 
+#ifndef QT_NO_QML_DEBUGGER
+void QQmlTypeLoader::setProfiler(QQmlProfiler *profiler)
+{
+    Q_ASSERT(!m_profiler);
+    m_profiler.reset(profiler);
+}
+#endif
+
 void QQmlTypeLoader::lock()
 {
     m_thread->lock();
@@ -1596,9 +1604,6 @@ Constructs a new type loader that uses the given \a engine.
 */
 QQmlTypeLoader::QQmlTypeLoader(QQmlEngine *engine)
     : m_engine(engine), m_thread(new QQmlTypeLoaderThread(this)),
-#ifndef QT_NO_QML_DEBUGGER
-      m_profiler(nullptr),
-#endif
       m_typeCacheTrimThreshold(TYPELOADER_MINIMUM_TRIM_THRESHOLD)
 {
 }
@@ -1615,10 +1620,6 @@ QQmlTypeLoader::~QQmlTypeLoader()
     clearCache();
 
     invalidate();
-
-#ifndef QT_NO_QML_DEBUGGER
-    delete m_profiler;
-#endif
 }
 
 QQmlImportDatabase *QQmlTypeLoader::importDatabase() const

src/qml/qml/qqmltypeloader_p.h

@@ -249,7 +249,7 @@ private:
     QString m_location;
 };
 
-class Q_AUTOTEST_EXPORT QQmlTypeLoader
+class Q_QML_PRIVATE_EXPORT QQmlTypeLoader
 {
     Q_DECLARE_TR_FUNCTIONS(QQmlTypeLoader)
 public:
@@ -325,8 +325,8 @@ public:
     QQmlProfiler *profiler() const { return nullptr; }
     void setProfiler(QQmlProfiler *) {}
 #else
-    QQmlProfiler *profiler() const { return m_profiler; }
-    void setProfiler(QQmlProfiler *profiler) { Q_ASSERT(!m_profiler); m_profiler = profiler; }
+    QQmlProfiler *profiler() const { return m_profiler.data(); }
+    void setProfiler(QQmlProfiler *profiler);
 #endif // QT_NO_QML_DEBUGGER
 
 
@@ -380,7 +380,7 @@ private:
     QQmlTypeLoaderThread *m_thread;
 
 #ifndef QT_NO_QML_DEBUGGER
-    QQmlProfiler *m_profiler;
+    QScopedPointer<QQmlProfiler> m_profiler;
 #endif
 
 #if QT_CONFIG(qml_network)