Add a SimpleScriptFunction class

Choose whether we use a stack based context for a function, when
the actual closure is generated, not at call time. This speeds up
function calling for leaf functions.

Change-Id: Ibcbf3acb5610a7f59b6474e982122df03c1c5298
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/src/qml/jsruntime/qv4functionobject_p.h b/src/qml/jsruntime/qv4functionobject_p.h
index 71691ba1c4..89e2b14ca7 100644
--- a/src/qml/jsruntime/qv4functionobject_p.h
+++ b/src/qml/jsruntime/qv4functionobject_p.h
@@ -121,6 +121,8 @@ struct Q_QML_EXPORT FunctionObject: Object {
         return vtbl->call(this, thisObject, args, argc);
     }
 
+    static FunctionObject *creatScriptFunction(ExecutionContext *scope, Function *function);
+
 protected:
     static const ManagedVTable static_vtbl;
     static void markObjects(Managed *that);
@@ -199,6 +201,16 @@ protected:
     static const ManagedVTable static_vtbl;
 };
 
+struct SimpleScriptFunction: FunctionObject {
+    SimpleScriptFunction(ExecutionContext *scope, Function *function);
+
+    static Value construct(Managed *, Value *args, int argc);
+    static Value call(Managed *that, const Value &, Value *, int);
+
+protected:
+    static const ManagedVTable static_vtbl;
+};
+
 struct BoundFunction: FunctionObject {
     FunctionObject *target;
     Value boundThis;