1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
// 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
#ifndef QQMLVALUETYPEWRAPPER_P_H
#define QQMLVALUETYPEWRAPPER_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 <QtCore/qglobal.h>
#include <private/qtqmlglobal_p.h>
#include <private/qv4referenceobject_p.h>
#include <private/qqmlpropertycache_p.h>
#include <private/qqmltype_p_p.h>
#include <private/qqmltypewrapper_p.h>
#include <private/qv4object_p.h>
#include <private/qv4qobjectwrapper_p.h>
#include <private/qv4sequenceobject_p.h>
#include <private/qv4value_p.h>
#include <private/qv4referenceobject_p.h>
QT_BEGIN_NAMESPACE
class QQmlValueType;
namespace QV4 {
namespace Heap {
#define QQmlValueTypeWrapperMembers(class, Member)
DECLARE_HEAP_OBJECT(QQmlValueTypeWrapper, ReferenceObject) {
DECLARE_MARKOBJECTS(QQmlValueTypeWrapper);
void init(
const void *data, QMetaType metaType, const QMetaObject *metaObject,
Object *object, int property, Flags flags)
{
ReferenceObject::init(object, property, flags);
setMetaType(metaType);
setMetaObject(metaObject);
if (data)
setData(data);
}
QQmlValueTypeWrapper *detached() const;
void destroy();
QMetaType metaType() const
{
Q_ASSERT(m_metaType != nullptr);
return QMetaType(m_metaType);
}
void setGadgetPtr(void *gadgetPtr) { m_gadgetPtr = gadgetPtr; }
void *gadgetPtr() const { return m_gadgetPtr; }
const QMetaObject *metaObject() const { return m_metaObject; }
void setData(const void *data)
{
const QMetaType type = metaType();
void *gadget = gadgetPtr();
if (gadget) {
type.destruct(gadget);
} else {
gadget = ::operator new(type.sizeOf());
setGadgetPtr(gadget);
}
type.construct(gadget, data);
}
QVariant toVariant() const;
void *storagePointer();
bool setVariant(const QVariant &variant);
bool readReference();
bool writeBack(int propertyIndex = QV4::ReferenceObject::AllProperties);
private:
void setMetaObject(const QMetaObject *metaObject) { m_metaObject = metaObject; }
void setMetaType(QMetaType metaType)
{
Q_ASSERT(metaType.isValid());
m_metaType = metaType.iface();
}
void *m_gadgetPtr;
const QtPrivate::QMetaTypeInterface *m_metaType;
const QMetaObject *m_metaObject;
};
}
struct Q_QML_EXPORT QQmlValueTypeWrapper : public ReferenceObject
{
V4_OBJECT2(QQmlValueTypeWrapper, ReferenceObject)
V4_PROTOTYPE(valueTypeWrapperPrototype)
V4_NEEDS_DESTROY
public:
static ReturnedValue create(
ExecutionEngine *engine, const void *data, const QMetaObject *metaObject,
QMetaType type, Heap::Object *object, int property, Heap::ReferenceObject::Flags flags);
static ReturnedValue create(
ExecutionEngine *engine, Heap::QQmlValueTypeWrapper *cloneFrom, Heap::Object *object);
static ReturnedValue create(
ExecutionEngine *engine, const void *, const QMetaObject *metaObject, QMetaType type);
QVariant toVariant() const;
template<typename ValueType>
ValueType *cast()
{
if (QMetaType::fromType<ValueType>() != d()->metaType())
return nullptr;
if (d()->isReference() && !readReferenceValue())
return nullptr;
return static_cast<ValueType *>(d()->gadgetPtr());
}
bool toGadget(void *data) const;
bool isEqual(const QVariant& value) const;
int typeId() const;
QMetaType type() const;
bool write(QObject *target, int propertyIndex) const;
bool readReferenceValue() const { return d()->readReference(); }
const QMetaObject *metaObject() const { return d()->metaObject(); }
QQmlPropertyData dataForPropertyKey(PropertyKey id) const;
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 virtualIsEqualTo(Managed *m, Managed *other);
static bool virtualHasProperty(const Managed *m, PropertyKey id);
static PropertyAttributes virtualGetOwnProperty(const Managed *m, PropertyKey id, Property *p);
static OwnPropertyKeyIterator *virtualOwnPropertyKeys(const Object *m, Value *target);
static ReturnedValue method_toString(const FunctionObject *b, const Value *thisObject, const Value *argv, int argc);
static ReturnedValue virtualResolveLookupGetter(const Object *object, ExecutionEngine *engine, Lookup *lookup);
static bool virtualResolveLookupSetter(Object *object, ExecutionEngine *engine, Lookup *lookup, const Value &value);
static ReturnedValue lookupGetter(Lookup *lookup, ExecutionEngine *engine, const Value &object);
static bool lookupSetter(QV4::Lookup *l, QV4::ExecutionEngine *engine,
QV4::Value &object, const QV4::Value &value);
static void initProto(ExecutionEngine *v4);
static int virtualMetacall(Object *object, QMetaObject::Call call, int index, void **a);
};
}
QT_END_NAMESPACE
#endif // QV8VALUETYPEWRAPPER_P_H
|
