Move extensible into the internal class

With this, we can now save one pointer per Heap
object.

Change-Id: I7f69193ff51c9fd9c5dbfba90aa1ebb3f93da2e6
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/qml/jsruntime/qv4internalclass_p.h b/src/qml/jsruntime/qv4internalclass_p.h
index 5973ca2c7c..b92bee3fac 100644
--- a/src/qml/jsruntime/qv4internalclass_p.h
+++ b/src/qml/jsruntime/qv4internalclass_p.h
@@ -197,7 +197,8 @@ struct InternalClassTransition
     int flags;
     enum {
         // range 0-0xff is reserved for attribute changes
-        VTableChange = 0x100
+        VTableChange = 0x100,
+        NotExtensible = 0x200
     };
 
     bool operator==(const InternalClassTransition &other) const
@@ -223,9 +224,11 @@ struct InternalClass : public QQmlJS::Managed {
     InternalClass *m_frozen;
 
     uint size;
+    bool extensible;
 
     static InternalClass *create(ExecutionEngine *engine, const ManagedVTable *vtable);
     InternalClass *changeVTable(const ManagedVTable *vt);
+    InternalClass *nonExtensible();
     static void addMember(Object *object, String *string, PropertyAttributes data, uint *index);
     InternalClass *addMember(String *string, PropertyAttributes data, uint *index = 0);
     InternalClass *addMember(Identifier *identifier, PropertyAttributes data, uint *index = 0);