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// Copyright (C) 2018 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
#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
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