1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtQml module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QQMLPROFILEREVENTLOCATION_P_H
41#define QQMLPROFILEREVENTLOCATION_P_H
42
43#include <QtCore/qstring.h>
44#include <QtCore/qhash.h>
45#include <QtCore/qdatastream.h>
46
47//
48// W A R N I N G
49// -------------
50//
51// This file is not part of the Qt API. It exists purely as an
52// implementation detail. This header file may change from version to
53// version without notice, or even be removed.
54//
55// We mean it.
56//
57
58QT_BEGIN_NAMESPACE
59
60class QQmlProfilerEventLocation
61{
62public:
63 QQmlProfilerEventLocation() : m_line(-1),m_column(-1) {}
64 QQmlProfilerEventLocation(const QString &file, int lineNumber, int columnNumber) :
65 m_filename(file), m_line(lineNumber), m_column(columnNumber)
66 {}
67
68 void clear()
69 {
70 m_filename.clear();
71 m_line = m_column = -1;
72 }
73
74 bool isValid() const
75 {
76 return !m_filename.isEmpty();
77 }
78
79 QString filename() const { return m_filename; }
80 int line() const { return m_line; }
81 int column() const { return m_column; }
82
83private:
84 friend QDataStream &operator>>(QDataStream &stream, QQmlProfilerEventLocation &location);
85 friend QDataStream &operator<<(QDataStream &stream, const QQmlProfilerEventLocation &location);
86
87 QString m_filename;
88 int m_line;
89 int m_column;
90};
91
92inline bool operator==(const QQmlProfilerEventLocation &location1,
93 const QQmlProfilerEventLocation &location2)
94{
95 // compare filename last as it's expensive.
96 return location1.line() == location2.line() && location1.column() == location2.column()
97 && location1.filename() == location2.filename();
98}
99
100inline bool operator!=(const QQmlProfilerEventLocation &location1,
101 const QQmlProfilerEventLocation &location2)
102{
103 return !(location1 == location2);
104}
105
106inline uint qHash(const QQmlProfilerEventLocation &location)
107{
108 return qHash(key: location.filename())
109 ^ ((location.line() & 0xfff) // 12 bits of line number
110 | ((location.column() << 16) & 0xff0000)); // 8 bits of column
111
112}
113
114QDataStream &operator>>(QDataStream &stream, QQmlProfilerEventLocation &location);
115QDataStream &operator<<(QDataStream &stream, const QQmlProfilerEventLocation &location);
116
117Q_DECLARE_TYPEINFO(QQmlProfilerEventLocation, Q_MOVABLE_TYPE);
118
119QT_END_NAMESPACE
120
121#endif // QQMLPROFILEREVENTLOCATION_P_H
122

source code of qtdeclarative/src/qmldebug/qqmlprofilereventlocation_p.h