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
|
/*
Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef qscriptprogram_p_h
#define qscriptprogram_p_h
#include "qscriptconverter_p.h"
#include "qscriptprogram.h"
#include <JavaScriptCore/JavaScript.h>
#include <QtCore/qshareddata.h>
#include <QtCore/qstring.h>
/*
FIXME The QScriptProgramPrivate potentially could be much faster. In current implementation we
gain CPU time only by avoiding QString -> JSStringRef conversion. In the ideal world we should
have a function inside the JSC C API that could provide us "parse once, execute multiple times"
functionality.
*/
class QScriptProgramPrivate : public QSharedData {
public:
inline static QScriptProgramPrivate* get(const QScriptProgram& program);
inline QScriptProgramPrivate();
inline QScriptProgramPrivate(const QString& sourceCode,
const QString fileName,
int firstLineNumber);
inline ~QScriptProgramPrivate();
inline bool isNull() const;
inline QString sourceCode() const;
inline QString fileName() const;
inline int firstLineNumber() const;
inline bool operator==(const QScriptProgramPrivate& other) const;
inline bool operator!=(const QScriptProgramPrivate& other) const;
inline JSStringRef program() const;
inline JSStringRef file() const;
inline int line() const;
private:
JSStringRef m_program;
JSStringRef m_fileName;
int m_line;
};
QScriptProgramPrivate* QScriptProgramPrivate::get(const QScriptProgram& program)
{
return const_cast<QScriptProgramPrivate*>(program.d_ptr.constData());
}
QScriptProgramPrivate::QScriptProgramPrivate()
: m_program(0)
, m_fileName(0)
, m_line(-1)
{}
QScriptProgramPrivate::QScriptProgramPrivate(const QString& sourceCode,
const QString fileName,
int firstLineNumber)
: m_program(QScriptConverter::toString(sourceCode))
, m_fileName(QScriptConverter::toString(fileName))
, m_line(firstLineNumber)
{}
QScriptProgramPrivate::~QScriptProgramPrivate()
{
if (!isNull()) {
JSStringRelease(m_program);
JSStringRelease(m_fileName);
}
}
bool QScriptProgramPrivate::isNull() const
{
return !m_program;
}
QString QScriptProgramPrivate::sourceCode() const
{
return QScriptConverter::toString(m_program);
}
QString QScriptProgramPrivate::fileName() const
{
return QScriptConverter::toString(m_fileName);
}
int QScriptProgramPrivate::firstLineNumber() const
{
return m_line;
}
bool QScriptProgramPrivate::operator==(const QScriptProgramPrivate& other) const
{
return m_line == other.m_line
&& JSStringIsEqual(m_fileName, other.m_fileName)
&& JSStringIsEqual(m_program, other.m_program);
}
bool QScriptProgramPrivate::operator!=(const QScriptProgramPrivate& other) const
{
return m_line != other.m_line
|| !JSStringIsEqual(m_fileName, other.m_fileName)
|| !JSStringIsEqual(m_program, other.m_program);
}
JSStringRef QScriptProgramPrivate::program() const { return m_program; }
JSStringRef QScriptProgramPrivate::file() const {return m_fileName; }
int QScriptProgramPrivate::line() const { return m_line; }
#endif // qscriptprogram_p_h
|
