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
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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.
//
#ifndef QJSVALUE_P_H
#define QJSVALUE_P_H
#include <qjsvalue.h>
#include <private/qtqmlglobal_p.h>
#include <private/qv4value_inl_p.h>
#include <private/qv4string_p.h>
#include <private/qv4engine_p.h>
#include <private/qv4object_p.h>
#include <private/qflagpointer_p.h>
#include <private/qv4mm_p.h>
#include <private/qv4persistent_p.h>
QT_BEGIN_NAMESPACE
/*!
\internal
\class QJSValuePrivate
*/
class Q_QML_PRIVATE_EXPORT QJSValuePrivate
{
public:
QJSValuePrivate()
: refcount(1)
{}
QJSValuePrivate(QV4::ExecutionEngine *e, const QV4::ValueRef v)
: refcount(1),
persistent(e, v)
{
Q_ASSERT(!v->isEmpty());
}
QJSValuePrivate(QV4::ExecutionEngine *e, QV4::ReturnedValue v)
: refcount(1),
persistent(e, v)
{
}
explicit QJSValuePrivate(const QVariant &v)
: refcount(1),
unboundData(v)
{
}
bool checkEngine(QV4::ExecutionEngine *e) {
if (persistent.isEmpty())
getValue(e);
return persistent.engine() == e;
}
QV4::ReturnedValue getValue(QV4::ExecutionEngine *e);
static QJSValuePrivate *get(const QJSValue &v) { return v.d; }
QV4::ExecutionEngine *engine() const { return persistent.engine(); }
void ref() { ++refcount; }
void deref() {
if (!--refcount)
delete this;
}
QV4::Value *valueForData(QV4::Value *scratch) const {
QV4::Value *v = persistent.valueRef();
if (v)
return v;
*scratch = primitiveValueForUnboundData();
return (scratch->isEmpty() ? 0 : scratch);
}
QV4::Value primitiveValueForUnboundData() const;
int refcount;
QV4::PersistentValue persistent;
QVariant unboundData;
private:
QJSValuePrivate(QV4::ReturnedValue v) Q_DECL_EQ_DELETE;
};
QT_END_NAMESPACE
#endif
|
