Remove unused private functions

As found by Cppcheck.

Change-Id: I697ea69992425ff41e35990ad00be312b35ba70a
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/libs/cplusplus/CppDocument.h

@@ -293,9 +293,6 @@ public:
         { return _beginLine; }
 
     private:
-        void setArguments(const QVector<Block> &arguments)
-        { _arguments = arguments; }
-
         void addArgument(const Block &block)
         { _arguments.append(block); }
 

src/libs/cplusplus/ExpressionUnderCursor.cpp

@@ -225,18 +225,6 @@ int ExpressionUnderCursor::startOfExpression_helper(BackwardsScanner &tk, int in
     return index;
 }
 
-bool ExpressionUnderCursor::isAccessToken(const Token &tk)
-{
-    switch (tk.kind()) {
-    case T_COLON_COLON:
-    case T_DOT:      case T_ARROW:
-    case T_DOT_STAR: case T_ARROW_STAR:
-        return true;
-    default:
-        return false;
-    } // switch
-}
-
 QString ExpressionUnderCursor::operator()(const QTextCursor &cursor)
 {
     BackwardsScanner scanner(cursor, _languageFeatures);

src/libs/cplusplus/ExpressionUnderCursor.h

@@ -50,7 +50,6 @@ public:
 private:
     int startOfExpression(BackwardsScanner &tk, int index);
     int startOfExpression_helper(BackwardsScanner &tk, int index);
-    bool isAccessToken(const Token &tk);
 
 private:
     bool _jumpedComma;

src/libs/qmljs/qmljsinterpreter.cpp

@@ -1080,25 +1080,6 @@ void ObjectValue::accept(ValueVisitor *visitor) const
     visitor->visit(this);
 }
 
-bool ObjectValue::checkPrototype(const ObjectValue *, QSet<const ObjectValue *> *) const
-{
-#if 0
-    const int previousSize = processed->size();
-    processed->insert(this);
-
-    if (previousSize != processed->size()) {
-        if (this == proto)
-            return false;
-
-        if (prototype() && ! prototype()->checkPrototype(proto, processed))
-            return false;
-
-        return true;
-    }
-#endif
-    return false;
-}
-
 void ObjectValue::processMembers(MemberProcessor *processor) const
 {
     for (auto it = m_members.cbegin(), end = m_members.cend(); it != end; ++it) {

src/libs/qmljs/qmljsinterpreter.h

@@ -526,10 +526,6 @@ public:
     QString originId() const
     { return m_originId; }
 
-
-private:
-    bool checkPrototype(const ObjectValue *prototype, QSet<const ObjectValue *> *processed) const;
-
 private:
     ValueOwner *m_valueOwner;
     QHash<QString, PropertyData> m_members;

src/plugins/qmldesigner/components/curveeditor/detail/selector.cpp

@@ -136,41 +136,6 @@ void Selector::mouseRelease(QMouseEvent *event, GraphicsScene *scene)
     m_rect = QRectF();
 }
 
-bool Selector::isOverMovableItem(const QPointF &pos, GraphicsScene *scene)
-{
-    auto intersect = [pos](QGraphicsObject *item) {
-        return item->mapRectToScene(item->boundingRect()).contains(pos);
-    };
-
-    const auto frames = scene->keyframes();
-    for (auto *frame : frames) {
-        if (intersect(frame))
-            return true;
-
-        if (auto *leftHandle = frame->leftHandle()) {
-            if (intersect(leftHandle))
-                return true;
-        }
-
-        if (auto *rightHandle = frame->rightHandle()) {
-            if (intersect(rightHandle))
-                return true;
-        }
-    }
-    return false;
-}
-
-bool Selector::isOverSelectedKeyframe(const QPointF &pos, GraphicsScene *scene)
-{
-    const auto frames = scene->selectedKeyframes();
-    for (auto *frame : frames) {
-        QRectF frameRect = frame->mapRectToScene(frame->boundingRect());
-        if (frameRect.contains(pos))
-            return true;
-    }
-    return false;
-}
-
 bool Selector::select(const SelectionTool &tool, const QPointF &pos, GraphicsScene *scene)
 {
     auto selectWidthTool = [this,

src/plugins/qmldesigner/components/curveeditor/detail/selector.h

@@ -50,10 +50,6 @@ public:
     void mouseRelease(QMouseEvent *event, GraphicsScene *scene);
 
 private:
-    bool isOverSelectedKeyframe(const QPointF &pos, GraphicsScene *scene);
-
-    bool isOverMovableItem(const QPointF &pos, GraphicsScene *scene);
-
     bool select(const SelectionTool &tool, const QPointF &pos, GraphicsScene *scene);
 
     bool pressSelection(SelectionMode mode, const QPointF &pos, GraphicsScene *scene);