Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant
++ #ifndef QV4OBJECTITERATOR_H
++ #define QV4OBJECTITERATOR_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists purely as an
++ // implementation detail. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include "qv4global_p.h"
++ #include "qv4object_p.h"
++
++ QT_BEGIN_NAMESPACE
++
++ namespace QV4 {
++
++ struct Q_QML_EXPORT ObjectIterator
++ {
++ enum Flags {
++ NoFlags = 0,
++ EnumerableOnly = 0x1,
++ WithSymbols = 0x2
++ };
++
++ ExecutionEngine *engine;
++ Object *object;
++ OwnPropertyKeyIterator *iterator = nullptr;
++ uint flags;
++
++ ObjectIterator(Scope &scope, const Object *o, uint flags)
++ {
++ engine = scope.engine;
++ object = static_cast<Object *>(scope.constructUndefined(1));
++ this->flags = flags;
++ object->setM(o ? o->m() : nullptr);
++ if (o)
++ iterator = object->ownPropertyKeys(object);
++ }
++ ~ObjectIterator()
++ {
++ delete iterator;
++ }
++
++ PropertyKey next(Property *pd = nullptr, PropertyAttributes *attributes = nullptr);
++ ReturnedValue nextPropertyName(Value *value);
++ ReturnedValue nextPropertyNameAsString(Value *value);
++ ReturnedValue nextPropertyNameAsString();
++ };
++
++ namespace Heap {
++
++ #define ForInIteratorObjectMembers(class, Member) \
++ Member(class, Pointer, Object *, object) \
++ Member(class, Pointer, Object *, current) \
++ Member(class, Pointer, Object *, target) \
++ Member(class, NoMark, OwnPropertyKeyIterator *, iterator)
++
++ DECLARE_HEAP_OBJECT(ForInIteratorObject, Object) {
++ void init(QV4::Object *o);
++ Value workArea[2];
++
++ static void markObjects(Heap::Base *that, MarkStack *markStack);
++ void destroy();
++ };
++
++ }
++
++ struct ForInIteratorPrototype : Object
++ {
++ V4_PROTOTYPE(iteratorPrototype)
++ void init(ExecutionEngine *engine);
++
++ static ReturnedValue method_next(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc);
++ };
++
++ struct ForInIteratorObject: Object {
++ V4_OBJECT2(ForInIteratorObject, Object)
++ Q_MANAGED_TYPE(ForInIterator)
++ V4_PROTOTYPE(forInIteratorPrototype)
++ V4_NEEDS_DESTROY
++
++ PropertyKey nextProperty() const;
++ };
++
++ inline
++ void Heap::ForInIteratorObject::init(QV4::Object *o)
++ {
++ Object::init();
++ if (!o)
++ return;
++ object.set(o->engine(), o->d());
++ current.set(o->engine(), o->d());
++ Scope scope(o);
++ ScopedObject obj(scope);
++ iterator = o->ownPropertyKeys(obj.getRef());
++ target.set(o->engine(), obj->d());
++ }
++
++
++ }
++
++ QT_END_NAMESPACE
++
++ #endif