diff options
author | Michael Brasser <mbrasser@ford.com> | 2019-01-03 16:28:16 -0600 |
---|---|---|
committer | Michael Brasser <michael.brasser@live.com> | 2019-03-20 18:55:39 +0000 |
commit | f9dac6f900fde93014305854b1bf3a81d9e58b92 (patch) | |
tree | 66a5f73cdcefb41dca8cbd61d565748cef0ac037 /src/qml/jsruntime | |
parent | bb34abcc05d11f23c329f4c52aab638d991c1b98 (diff) |
Accelerate lookup of singleton properties
Task-number: QTBUG-69898
Change-Id: Id03ba543fa293da2690099c3e6f94b2725de562f
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Diffstat (limited to 'src/qml/jsruntime')
-rw-r--r-- | src/qml/jsruntime/qv4lookup_p.h | 3 | ||||
-rw-r--r-- | src/qml/jsruntime/qv4qobjectwrapper.cpp | 4 |
2 files changed, 5 insertions, 2 deletions
diff --git a/src/qml/jsruntime/qv4lookup_p.h b/src/qml/jsruntime/qv4lookup_p.h index ee6da21121..03dc5f6d3c 100644 --- a/src/qml/jsruntime/qv4lookup_p.h +++ b/src/qml/jsruntime/qv4lookup_p.h @@ -71,6 +71,7 @@ struct Lookup { ReturnedValue (*qmlContextPropertyGetter)(Lookup *l, ExecutionEngine *engine, Value *thisObject); bool (*setter)(Lookup *l, ExecutionEngine *engine, Value &object, const Value &v); }; + // NOTE: gc assumes the first two entries in the struct are pointers to heap objects or null union { struct { Heap::Base *h1; @@ -119,7 +120,7 @@ struct Lookup { } indexedLookup; struct { Heap::InternalClass *ic; - quintptr unused; + Heap::QObjectWrapper *staticQObject; QQmlPropertyCache *propertyCache; QQmlPropertyData *propertyData; } qobjectLookup; diff --git a/src/qml/jsruntime/qv4qobjectwrapper.cpp b/src/qml/jsruntime/qv4qobjectwrapper.cpp index 053581226f..351076ac28 100644 --- a/src/qml/jsruntime/qv4qobjectwrapper.cpp +++ b/src/qml/jsruntime/qv4qobjectwrapper.cpp @@ -867,6 +867,7 @@ ReturnedValue QObjectWrapper::virtualResolveLookupGetter(const Object *object, E } lookup->qobjectLookup.ic = This->internalClass(); + lookup->qobjectLookup.staticQObject = nullptr; lookup->qobjectLookup.propertyCache = ddata->propertyCache; lookup->qobjectLookup.propertyCache->addref(); lookup->qobjectLookup.propertyData = property; @@ -889,7 +890,8 @@ ReturnedValue QObjectWrapper::lookupGetter(Lookup *lookup, ExecutionEngine *engi if (!o || o->internalClass != lookup->qobjectLookup.ic) return revertLookup(); - const Heap::QObjectWrapper *This = static_cast<const Heap::QObjectWrapper *>(o); + const Heap::QObjectWrapper *This = lookup->qobjectLookup.staticQObject ? lookup->qobjectLookup.staticQObject : + static_cast<const Heap::QObjectWrapper *>(o); QObject *qobj = This->object(); if (QQmlData::wasDeleted(qobj)) return QV4::Encode::undefined(); |