Rework array handling for JS objects

Split up ArrayData into two classes, one for regular
arrays, one for sparse arrays and cleanly separate
the two cases. Only create array data on demand.

Change-Id: I9ca8d0b53592174f213ba0f20caf93e77dba690a
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/qml/jsruntime/qv4string_p.h b/src/qml/jsruntime/qv4string_p.h
index 7e2824d8a0..bc5b30518e 100644
--- a/src/qml/jsruntime/qv4string_p.h
+++ b/src/qml/jsruntime/qv4string_p.h
@@ -91,6 +91,7 @@ struct Q_QML_EXPORT String : public Managed {
 
         return toQString() == other->toQString();
     }
+
     inline bool compare(const String *other) {
         return toQString() < other->toQString();
     }
@@ -172,6 +173,7 @@ protected:
     static bool deleteProperty(Managed *, const StringRef);
     static bool deleteIndexedProperty(Managed *m, uint index);
     static bool isEqualTo(Managed *that, Managed *o);
+    static uint getLength(const Managed *m);
 
 private:
     QChar *recursiveAppend(QChar *ch) const;