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
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtXmlPatterns 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 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 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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 Patternist_SourceLocationReflection_H
#define Patternist_SourceLocationReflection_H
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QString;
namespace QPatternist
{
/**
* @short Base class for all instances that represents something
* at a certain location.
*
* SourceLocationReflection does not provide the source location itself,
* the address to an instance is the mark for it, that in turn can be used
* for looking up the source location where that mapping is provided.
*
* However, this SourceLocationReflection is not itself the mark. The real
* mark is retrieved by calling actualReflection(). This mechanism
* allows a SourceLocationReflection sub-class to delegate, or be an alias,
* for another source location mark.
*
* If sourceLocation() returns a non-null object, it will be used instead
* of looking up via actualReflection().
*
* @author Frans Englich <frans.englich@nokia.com>
* @ingroup Patternist_expressions
*/
class Q_AUTOTEST_EXPORT SourceLocationReflection
{
public:
inline SourceLocationReflection()
{
}
virtual ~SourceLocationReflection()
{
}
virtual const SourceLocationReflection *actualReflection() const = 0;
/**
* A description of what represents the source code location, for
* human consumption. Must be translated, as appropriate.
*/
virtual QString description() const
{
return QString();
}
virtual QSourceLocation sourceLocation() const;
private:
Q_DISABLE_COPY(SourceLocationReflection)
};
class DelegatingSourceLocationReflection : public SourceLocationReflection
{
public:
inline DelegatingSourceLocationReflection(const SourceLocationReflection *const r) : m_r(r)
{
Q_ASSERT(r);
}
virtual const SourceLocationReflection *actualReflection() const;
virtual QString description() const;
private:
const SourceLocationReflection *const m_r;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
