Cleanups

Remove duplicated methods. Remove some mostly unused methods,
and simplify some others.

Change-Id: I605b249e54417bb32c3dfc8e22f2c8b6b684a1e1
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

15 files changed, 46 insertions, 81 deletions

diff --git a/src/qml/jsruntime/qv4arrayobject.cpp b/src/qml/jsruntime/qv4arrayobject.cpp
index e4403f5a57..0361d0e628 100644
--- a/src/qml/jsruntime/qv4arrayobject.cpp
+++ b/src/qml/jsruntime/qv4arrayobject.cpp
@@ -257,7 +257,7 @@ ReturnedValue ArrayPrototype::method_pop(CallContext *ctx)
         instance->setArrayLength(len - 1);
     else
         instance->put(ctx->d()->engine->id_length, ScopedValue(scope, Primitive::fromDouble(len - 1)));
-    return result.asReturnedValue();
+    return result->asReturnedValue();
 }
 
 ReturnedValue ArrayPrototype::method_push(CallContext *ctx)
@@ -389,7 +389,7 @@ ReturnedValue ArrayPrototype::method_shift(CallContext *ctx)
         instance->setArrayLengthUnchecked(len - 1);
     else
         instance->put(ctx->d()->engine->id_length, ScopedValue(scope, Primitive::fromDouble(len - 1)));
-    return result.asReturnedValue();
+    return result->asReturnedValue();
 }
 
 ReturnedValue ArrayPrototype::method_slice(CallContext *ctx)
@@ -905,7 +905,7 @@ ReturnedValue ArrayPrototype::method_reduce(CallContext *ctx)
         }
         ++k;
     }
-    return acc.asReturnedValue();
+    return acc->asReturnedValue();
 }
 
 ReturnedValue ArrayPrototype::method_reduceRight(CallContext *ctx)
@@ -959,6 +959,6 @@ ReturnedValue ArrayPrototype::method_reduceRight(CallContext *ctx)
         }
         --k;
     }
-    return acc.asReturnedValue();
+    return acc->asReturnedValue();
 }
 
diff --git a/src/qml/jsruntime/qv4context.cpp b/src/qml/jsruntime/qv4context.cpp
index 3db957c9bb..27d32bbcd3 100644
--- a/src/qml/jsruntime/qv4context.cpp
+++ b/src/qml/jsruntime/qv4context.cpp
@@ -358,7 +358,7 @@ ReturnedValue ExecutionContext::getProperty(String *name)
             bool hasProperty = false;
             v = w->get(name, &hasProperty);
             if (hasProperty) {
-                return v.asReturnedValue();
+                return v->asReturnedValue();
             }
             continue;
         }
@@ -386,7 +386,7 @@ ReturnedValue ExecutionContext::getProperty(String *name)
                 bool hasProperty = false;
                 v = activation->get(name, &hasProperty);
                 if (hasProperty)
-                    return v.asReturnedValue();
+                    return v->asReturnedValue();
             }
             if (f->function() && f->function()->isNamedExpression()
                 && name->equals(ScopedString(scope, f->function()->name())))
@@ -398,7 +398,7 @@ ReturnedValue ExecutionContext::getProperty(String *name)
             bool hasProperty = false;
             v = global->get(name, &hasProperty);
             if (hasProperty)
-                return v.asReturnedValue();
+                return v->asReturnedValue();
         }
     }
     ScopedValue n(scope, name);
@@ -426,7 +426,7 @@ ReturnedValue ExecutionContext::getPropertyAndBase(String *name, Heap::Object **
             v = w->get(name, &hasProperty);
             if (hasProperty) {
                 *base = w->d();
-                return v.asReturnedValue();
+                return v->asReturnedValue();
             }
             continue;
         }
@@ -456,7 +456,7 @@ ReturnedValue ExecutionContext::getPropertyAndBase(String *name, Heap::Object **
                 if (hasProperty) {
                     if (ctx->d()->type == Heap::ExecutionContext::Type_QmlContext)
                         *base = activation->d();
-                    return v.asReturnedValue();
+                    return v->asReturnedValue();
                 }
             }
             if (f->function() && f->function()->isNamedExpression()
@@ -469,7 +469,7 @@ ReturnedValue ExecutionContext::getPropertyAndBase(String *name, Heap::Object **
             bool hasProperty = false;
             v = global->get(name, &hasProperty);
             if (hasProperty)
-                return v.asReturnedValue();
+                return v->asReturnedValue();
         }
     }
     ScopedValue n(scope, name);
diff --git a/src/qml/jsruntime/qv4engine.cpp b/src/qml/jsruntime/qv4engine.cpp
index 9dba5c2275..49d77863df 100644
--- a/src/qml/jsruntime/qv4engine.cpp
+++ b/src/qml/jsruntime/qv4engine.cpp
@@ -1400,7 +1400,7 @@ QV4::ReturnedValue QV4::ExecutionEngine::fromVariant(const QVariant &variant)
                 QV4::Scope scope(this);
                 QV4::ScopedValue retn(scope, QV4::SequencePrototype::fromVariant(this, variant, &succeeded));
                 if (succeeded)
-                    return retn.asReturnedValue();
+                    return retn->asReturnedValue();
                 return QV4::Encode(newArrayObject(*reinterpret_cast<const QStringList *>(ptr)));
                 }
             case QMetaType::QVariantList:
@@ -1457,7 +1457,7 @@ QV4::ReturnedValue QV4::ExecutionEngine::fromVariant(const QVariant &variant)
         bool succeeded = false;
         QV4::ScopedValue retn(scope, QV4::SequencePrototype::fromVariant(this, variant, &succeeded));
         if (succeeded)
-            return retn.asReturnedValue();
+            return retn->asReturnedValue();
 
         if (const QMetaObject *vtmo = QQmlValueTypeFactory::metaObjectForMetaType(type))
             return QV4::QQmlValueTypeWrapper::create(this, variant, vtmo, type);
diff --git a/src/qml/jsruntime/qv4functionobject.cpp b/src/qml/jsruntime/qv4functionobject.cpp
index f49d53f6f6..1ead3b747f 100644
--- a/src/qml/jsruntime/qv4functionobject.cpp
+++ b/src/qml/jsruntime/qv4functionobject.cpp
@@ -419,7 +419,7 @@ ReturnedValue ScriptFunction::construct(Managed *that, CallData *callData)
         return Encode::undefined();
 
     if (result->isObject())
-        return result.asReturnedValue();
+        return result->asReturnedValue();
     return obj.asReturnedValue();
 }
 
@@ -442,7 +442,7 @@ ReturnedValue ScriptFunction::call(Managed *that, CallData *callData)
     if (f->function()->compiledFunction->hasQmlDependencies())
         QmlContextWrapper::registerQmlDependencies(ctx->d()->engine, f->function()->compiledFunction);
 
-    return result.asReturnedValue();
+    return result->asReturnedValue();
 }
 
 DEFINE_OBJECT_VTABLE(SimpleScriptFunction);
@@ -546,7 +546,7 @@ ReturnedValue SimpleScriptFunction::call(Managed *that, CallData *callData)
     if (f->function()->compiledFunction->hasQmlDependencies())
         QmlContextWrapper::registerQmlDependencies(v4, f->function()->compiledFunction);
 
-    return result.asReturnedValue();
+    return result->asReturnedValue();
 }
 
 Heap::Object *SimpleScriptFunction::protoForConstructor()
diff --git a/src/qml/jsruntime/qv4include.cpp b/src/qml/jsruntime/qv4include.cpp
index 57aea74313..814e6fbfe8 100644
--- a/src/qml/jsruntime/qv4include.cpp
+++ b/src/qml/jsruntime/qv4include.cpp
@@ -235,7 +235,7 @@ QV4::ReturnedValue QV4Include::method_include(QV4::CallContext *ctx)
         callback(callbackFunction, result);
     }
 
-    return result.asReturnedValue();
+    return result->asReturnedValue();
 }
 
 QT_END_NAMESPACE
diff --git a/src/qml/jsruntime/qv4jsonobject.cpp b/src/qml/jsruntime/qv4jsonobject.cpp
index 1423c4ac6a..724a2e0d7b 100644
--- a/src/qml/jsruntime/qv4jsonobject.cpp
+++ b/src/qml/jsruntime/qv4jsonobject.cpp
@@ -213,7 +213,7 @@ ReturnedValue JsonParser::parse(QJsonParseError *error)
     END;
     error->offset = 0;
     error->error = QJsonParseError::NoError;
-    return v.asReturnedValue();
+    return v->asReturnedValue();
 }
 
 /*
@@ -726,7 +726,7 @@ QString Stringify::Str(const QString &key, const Value &v)
         value = replacerFunction->call(callData);
     }
 
-    o = value.asReturnedValue();
+    o = value->asReturnedValue();
     if (o) {
         if (NumberObject *n = o->asNumberObject())
             value = n->value();
@@ -748,7 +748,7 @@ QString Stringify::Str(const QString &key, const Value &v)
         return std::isfinite(d) ? value->toQString() : QStringLiteral("null");
     }
 
-    o = value.asReturnedValue();
+    o = value->asReturnedValue();
     if (o) {
         if (!o->asFunctionObject()) {
             if (o->asArrayObject()) {
@@ -904,7 +904,7 @@ ReturnedValue JsonObject::method_parse(CallContext *ctx)
         return ctx->engine()->throwSyntaxError(QStringLiteral("JSON.parse: Parse error"));
     }
 
-    return result.asReturnedValue();
+    return result->asReturnedValue();
 }
 
 ReturnedValue JsonObject::method_stringify(CallContext *ctx)
diff --git a/src/qml/jsruntime/qv4managed_p.h b/src/qml/jsruntime/qv4managed_p.h
index 8780243bae..812e1be207 100644
--- a/src/qml/jsruntime/qv4managed_p.h
+++ b/src/qml/jsruntime/qv4managed_p.h
@@ -136,11 +136,8 @@ struct Q_QML_PRIVATE_EXPORT Managed : Value
     };
 private:
     void *operator new(size_t);
-    Managed();
-    Managed(const Managed &other);
-    void operator = (const Managed &other);
-    void *operator new(size_t size, MemoryManager *mm);
-    void *operator new(size_t, Managed *m) { return m; }
+    Managed() Q_DECL_EQ_DELETE;
+    Q_DISABLE_COPY(Managed)
 
 public:
 
@@ -222,8 +219,6 @@ public:
 
     static bool isEqualTo(Managed *m, Managed *other);
 
-    ReturnedValue asReturnedValue() { return Value::fromManaged(this).asReturnedValue(); }
-
     bool inUse() const { return d()->inUse(); }
     bool markBit() const { return d()->isMarked(); }
 
diff --git a/src/qml/jsruntime/qv4objectproto.cpp b/src/qml/jsruntime/qv4objectproto.cpp
index 64d5f5641c..289421e867 100644
--- a/src/qml/jsruntime/qv4objectproto.cpp
+++ b/src/qml/jsruntime/qv4objectproto.cpp
@@ -416,7 +416,7 @@ ReturnedValue ObjectPrototype::method_valueOf(CallContext *ctx)
     ScopedValue v(scope, ctx->d()->callData->thisObject.toObject(scope.engine));
     if (ctx->d()->engine->hasException)
         return Encode::undefined();
-    return v.asReturnedValue();
+    return v->asReturnedValue();
 }
 
 ReturnedValue ObjectPrototype::method_hasOwnProperty(CallContext *ctx)
diff --git a/src/qml/jsruntime/qv4qobjectwrapper.cpp b/src/qml/jsruntime/qv4qobjectwrapper.cpp
index 6190dd0bad..c65b7b6d55 100644
--- a/src/qml/jsruntime/qv4qobjectwrapper.cpp
+++ b/src/qml/jsruntime/qv4qobjectwrapper.cpp
@@ -217,7 +217,7 @@ static QV4::ReturnedValue LoadProperty(QV4::ExecutionEngine *v4, QObject *object
         bool succeeded = false;
         QV4::ScopedValue retn(scope, QV4::SequencePrototype::newSequence(v4, property.propType, object, property.coreIndex, &succeeded));
         if (succeeded)
-            return retn.asReturnedValue();
+            return retn->asReturnedValue();
     }
 
     if (property.propType == QMetaType::UnknownType) {
@@ -277,7 +277,7 @@ ReturnedValue QObjectWrapper::getQmlProperty(QQmlContextData *qmlContext, String
         QV4::ScopedValue method(scope, QV4::QObjectMethod::create(global, d()->object, index));
         if (hasProperty)
             *hasProperty = true;
-        return method.asReturnedValue();
+        return method->asReturnedValue();
     }
 
     QQmlPropertyData local;
@@ -376,7 +376,7 @@ ReturnedValue QObjectWrapper::getProperty(QObject *object, ExecutionContext *ctx
             }
         }
 
-        return rv.asReturnedValue();
+        return rv->asReturnedValue();
     }
 
     if (captureRequired && ep && !property->isConstant())
@@ -594,7 +594,7 @@ ReturnedValue QObjectWrapper::wrap(ExecutionEngine *engine, QObject *object)
         QV4::ScopedValue rv(scope, create(engine, object));
         ddata->jsWrapper.set(scope.engine, rv);
         ddata->jsEngineId = engine->m_engineId;
-        return rv.asReturnedValue();
+        return rv->asReturnedValue();
 
     } else {
         // If this object is tainted, we have to check to see if it is in our
@@ -609,7 +609,7 @@ ReturnedValue QObjectWrapper::wrap(ExecutionEngine *engine, QObject *object)
             QV4::ScopedValue result(scope, create(engine, object));
             ddata->jsWrapper.set(scope.engine, result);
             ddata->jsEngineId = engine->m_engineId;
-            return result.asReturnedValue();
+            return result->asReturnedValue();
         }
 
         if (!alternateWrapper) {
@@ -1725,7 +1725,7 @@ QV4::ReturnedValue CallArgument::toValue(QV4::ExecutionEngine *engine)
             if (QObject *object = qobjectWrapper->object())
                 QQmlData::get(object, true)->setImplicitDestructible();
         }
-        return rv.asReturnedValue();
+        return rv->asReturnedValue();
     } else {
         return QV4::Encode::undefined();
     }
@@ -1878,7 +1878,7 @@ ReturnedValue QObjectMethod::callInternal(CallData *callData)
         void *args[] = { 0, &funcptr };
         object.metacall(QMetaObject::InvokeMetaMethod, method.coreIndex, args);
 
-        return rv.asReturnedValue();
+        return rv->asReturnedValue();
     }
 
     if (!method.isOverload()) {
diff --git a/src/qml/jsruntime/qv4regexpobject.cpp b/src/qml/jsruntime/qv4regexpobject.cpp
index b9d22794bb..0736056838 100644
--- a/src/qml/jsruntime/qv4regexpobject.cpp
+++ b/src/qml/jsruntime/qv4regexpobject.cpp
@@ -385,7 +385,7 @@ ReturnedValue RegExpPrototype::method_exec(CallContext *ctx)
     }
     array->setArrayLengthUnchecked(len);
     array->memberData()->data[Index_ArrayIndex] = Primitive::fromInt32(result);
-    array->memberData()->data[Index_ArrayInput] = arg.asReturnedValue();
+    array->memberData()->data[Index_ArrayInput] = arg;
 
     RegExpCtor::Data *dd = regExpCtor->d();
     dd->lastMatch = array;
@@ -441,7 +441,7 @@ ReturnedValue RegExpPrototype::method_get_lastMatch_n(CallContext *ctx)
     ScopedValue result(scope, lastMatch ? lastMatch->getIndexed(index) : Encode::undefined());
     if (result->isUndefined())
         return ctx->d()->engine->newString()->asReturnedValue();
-    return result.asReturnedValue();
+    return result->asReturnedValue();
 }
 
 ReturnedValue RegExpPrototype::method_get_lastParen(CallContext *ctx)
@@ -451,7 +451,7 @@ ReturnedValue RegExpPrototype::method_get_lastParen(CallContext *ctx)
     ScopedValue result(scope, lastMatch ? lastMatch->getIndexed(lastMatch->getLength() - 1) : Encode::undefined());
     if (result->isUndefined())
         return ctx->d()->engine->newString()->asReturnedValue();
-    return result.asReturnedValue();
+    return result->asReturnedValue();
 }
 
 ReturnedValue RegExpPrototype::method_get_input(CallContext *ctx)
diff --git a/src/qml/jsruntime/qv4runtime.cpp b/src/qml/jsruntime/qv4runtime.cpp
index 73ae88f80c..4bbbb6f401 100644
--- a/src/qml/jsruntime/qv4runtime.cpp
+++ b/src/qml/jsruntime/qv4runtime.cpp
@@ -325,7 +325,7 @@ QV4::ReturnedValue Runtime::instanceof(ExecutionEngine *engine, const Value &lef
     if (!v)
         return Encode(false);
 
-    ScopedObject o(scope, QV4::Value::fromReturnedValue(f->protoProperty()).asObject());
+    ScopedObject o(scope, f->protoProperty());
     if (!o)
         return engine->throwTypeError();
 
diff --git a/src/qml/jsruntime/qv4scopedvalue_p.h b/src/qml/jsruntime/qv4scopedvalue_p.h
index 81b81f6c5c..6fc04cc289 100644
--- a/src/qml/jsruntime/qv4scopedvalue_p.h
+++ b/src/qml/jsruntime/qv4scopedvalue_p.h
@@ -169,7 +169,7 @@ struct ScopedValue
     }
 
     ScopedValue &operator=(Managed *m) {
-        ptr->val = m->asReturnedValue();
+        *ptr = *m;
         return *this;
     }
 
@@ -194,8 +194,6 @@ struct ScopedValue
     operator Value *() { return ptr; }
     operator const Value &() const { return *ptr; }
 
-    ReturnedValue asReturnedValue() const { return ptr->val; }
-
     Value *ptr;
 };
 
@@ -203,13 +201,11 @@ template<typename T>
 struct Scoped
 {
     enum _Convert { Convert };
-    enum _Cast { Cast };
 
     inline void setPointer(Managed *p) {
-#if QT_POINTER_SIZE == 8
         ptr->m = p ? p->m : 0;
-#else
-        *ptr = QV4::Value::fromManaged(p);
+#if QT_POINTER_SIZE == 4
+        ptr->tag = QV4::Value::Managed_Type;
 #endif
     }
 
@@ -237,10 +233,7 @@ struct Scoped
     Scoped(const Scope &scope, Heap::Base *o)
     {
         Value v;
-        v.m = o;
-#if QT_POINTER_SIZE == 4
-        v.tag = QV4::Value::Managed_Type;
-#endif
+        v = o;
         ptr = scope.engine->jsStackTop++;
         setPointer(value_cast<T>(v));
 #ifndef QT_NO_DEBUG
@@ -290,15 +283,6 @@ struct Scoped
         ++scope.size;
 #endif
     }
-    template<typename X>
-    Scoped(const Scope &scope, X *t, _Cast)
-    {
-        ptr = scope.engine->jsStackTop++;
-        setPointer(managed_cast<T>(t));
-#ifndef QT_NO_DEBUG
-        ++scope.size;
-#endif
-    }
 
     Scoped(const Scope &scope, const ReturnedValue &v)
     {
@@ -319,10 +303,7 @@ struct Scoped
 
     Scoped<T> &operator=(Heap::Base *o) {
         Value v;
-        v.m = o;
-#if QT_POINTER_SIZE == 4
-        v.tag = QV4::Value::Managed_Type;
-#endif
+        v = o;
         setPointer(value_cast<T>(v));
         return *this;
     }
@@ -373,18 +354,14 @@ struct Scoped
     }
 
     T *getPointer() {
-        return static_cast<T *>(ptr->managed());
+        return ptr->cast<T>();
     }
     typename T::Data **getRef() {
         return reinterpret_cast<typename T::Data **>(&ptr->m);
     }
 
     ReturnedValue asReturnedValue() const {
-#if QT_POINTER_SIZE == 8
-        return ptr->val ? ptr->val : Primitive::undefinedValue().asReturnedValue();
-#else
-        return ptr->val;
-#endif
+        return ptr->m ? ptr->val : Encode::undefined();
     }
 
     Value *ptr;
@@ -444,13 +421,6 @@ inline TypedValue<T> &TypedValue<T>::operator =(const Scoped<T> &v)
     return *this;
 }
 
-//template<typename T>
-//inline TypedValue<T> &TypedValue<T>::operator =(const ManagedRef<T> &v)
-//{
-//    val = v.asReturnedValue();
-//    return *this;
-//}
-
 template<typename T>
 inline TypedValue<T> &TypedValue<T>::operator=(const TypedValue<T> &t)
 {
diff --git a/src/qml/jsruntime/qv4script.cpp b/src/qml/jsruntime/qv4script.cpp
index a38e87e550..06dc6e8f05 100644
--- a/src/qml/jsruntime/qv4script.cpp
+++ b/src/qml/jsruntime/qv4script.cpp
@@ -138,7 +138,7 @@ ReturnedValue QmlBindingWrapper::call(Managed *that, CallData *)
     ScopedValue result(scope, This->function()->code(engine, This->function()->codeData));
     engine->popContext();
 
-    return result.asReturnedValue();
+    return result->asReturnedValue();
 }
 
 void QmlBindingWrapper::markObjects(Heap::Base *m, ExecutionEngine *e)
@@ -397,5 +397,5 @@ QV4::ReturnedValue Script::evaluate(ExecutionEngine *engine,  const QString &scr
         scope.engine->catchException();
         return Encode::undefined();
     }
-    return result.asReturnedValue();
+    return result->asReturnedValue();
 }
diff --git a/src/qml/jsruntime/qv4serialize.cpp b/src/qml/jsruntime/qv4serialize.cpp
index 765fef3332..286a2c82c9 100644
--- a/src/qml/jsruntime/qv4serialize.cpp
+++ b/src/qml/jsruntime/qv4serialize.cpp
@@ -325,7 +325,7 @@ ReturnedValue Serialize::deserialize(const char *&data, ExecutionEngine *engine)
         for (quint32 ii = 0; ii < size; ++ii) {
             name = deserialize(data, engine);
             value = deserialize(data, engine);
-            n = name.asReturnedValue();
+            n = name->asReturnedValue();
             o->put(n, value);
         }
         return o.asReturnedValue();
@@ -360,7 +360,7 @@ ReturnedValue Serialize::deserialize(const char *&data, ExecutionEngine *engine)
 
         agent->release();
         agent->setEngine(engine);
-        return rv.asReturnedValue();
+        return rv->asReturnedValue();
     }
     case WorkerSequence:
     {
diff --git a/src/qml/jsruntime/qv4stringobject.cpp b/src/qml/jsruntime/qv4stringobject.cpp
index dad3cf0ebc..55bc3c58db 100644
--- a/src/qml/jsruntime/qv4stringobject.cpp
+++ b/src/qml/jsruntime/qv4stringobject.cpp
@@ -182,7 +182,7 @@ ReturnedValue StringCtor::call(Managed *m, CallData *callData)
         value = callData->args[0].toString(v4);
     else
         value = v4->newString();
-    return value.asReturnedValue();
+    return value->asReturnedValue();
 }
 
 void StringPrototype::init(ExecutionEngine *engine, Object *ctor)