Optimize ExecutionContext::setProperty

Optimize the code in case the setProperty call tries to
set something in the activation. Avoid resolving the property
index twice.

Change-Id: I60a4535adc014f7118bc3ab6773e10ed688ca0d6
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 7 insertions, 1 deletions

diff --git a/src/qml/jsruntime/qv4context.cpp b/src/qml/jsruntime/qv4context.cpp
index 0d8e57bdd5..b43b4893a3 100644
--- a/src/qml/jsruntime/qv4context.cpp
+++ b/src/qml/jsruntime/qv4context.cpp
@@ -319,9 +319,15 @@ void ExecutionContext::setProperty(const StringRef name, const ValueRef value)
             }
 
             if (activation) {
-                if (ctx->type == Type_QmlContext || activation->hasOwnProperty(name)) {
+                if (ctx->type == Type_QmlContext) {
                     activation->put(name, value);
                     return;
+                } else {
+                    uint member = activation->internalClass->find(name);
+                    if (member < UINT_MAX) {
+                        activation->putValue(activation->propertyAt(member), activation->internalClass->propertyData[member], value);
+                        return;
+                    }
                 }
             }
         }