/**************************************************************************** ** ** Copyright (C) 2018 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQml module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QV4PROXY_P_H #define QV4PROXY_P_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 "qv4object_p.h" #include "qv4functionobject_p.h" QT_BEGIN_NAMESPACE namespace QV4 { namespace Heap { #define ProxyObjectMembers(class, Member) \ Member(class, Pointer, Object *, target) \ Member(class, Pointer, Object *, handler) DECLARE_HEAP_OBJECT(ProxyObject, FunctionObject) { DECLARE_MARKOBJECTS(ProxyObject) void init(const QV4::Object *target, const QV4::Object *handler); }; struct ProxyFunctionObject : ProxyObject { void init(const QV4::FunctionObject *target, const QV4::Object *handler); }; #define ProxyMembers(class, Member) \ Member(class, Pointer, Symbol *, revokableProxySymbol) \ DECLARE_HEAP_OBJECT(Proxy, FunctionObject) { DECLARE_MARKOBJECTS(Proxy) void init(QV4::ExecutionContext *ctx); }; } /* * The inheritance from FunctionObject is a hack. Regular proxy objects are no function objects. * But this helps implement the proxy for function objects, where we need this and thus gives us * all the virtual methods from ProxyObject without having to duplicate them. * * But it does require a few hacks to make sure we don't recognize regular proxy objects as function * objects in the runtime. */ struct ProxyObject : FunctionObject { V4_OBJECT2(ProxyObject, Object) Q_MANAGED_TYPE(ProxyObject) V4_INTERNALCLASS(ProxyObject) enum { IsFunctionObject = false }; static ReturnedValue virtualGet(const Managed *m, PropertyKey id, const Value *receiver, bool *hasProperty); static bool virtualPut(Managed *m, PropertyKey id, const Value &value, Value *receiver); static bool virtualDeleteProperty(Managed *m, PropertyKey id); static bool virtualHasProperty(const Managed *m, PropertyKey id); static PropertyAttributes virtualGetOwnProperty(const Managed *m, PropertyKey id, Property *p); static bool virtualDefineOwnProperty(Managed *m, PropertyKey id, const Property *p, PropertyAttributes attrs); static bool virtualIsExtensible(const Managed *m); static bool virtualPreventExtensions(Managed *); static Heap::Object *virtualGetPrototypeOf(const Managed *); static bool virtualSetPrototypeOf(Managed *, const Object *); static OwnPropertyKeyIterator *virtualOwnPropertyKeys(const Object *m, Value *iteratorTarget); }; struct ProxyFunctionObject : ProxyObject { V4_OBJECT2(ProxyFunctionObject, FunctionObject) Q_MANAGED_TYPE(ProxyObject) V4_INTERNALCLASS(ProxyFunctionObject) enum { IsFunctionObject = true }; static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *); static ReturnedValue virtualCall(const FunctionObject *f, const Value *thisObject, const Value *argv, int argc); }; struct Proxy : FunctionObject { V4_OBJECT2(Proxy, FunctionObject) static ReturnedValue virtualCallAsConstructor(const FunctionObject *f, const Value *argv, int argc, const Value *); static ReturnedValue virtualCall(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); static ReturnedValue method_revocable(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); static ReturnedValue method_revoke(const FunctionObject *, const Value *thisObject, const Value *argv, int argc); }; } QT_END_NAMESPACE #endif // QV4ECMAOBJECTS_P_H