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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtScript module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSCRIPTFUNCTION_P_H
#define QSCRIPTFUNCTION_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 "qscriptobjectdata_p.h"
#ifndef QT_NO_SCRIPT
#include "qscriptglobals_p.h"
#include "qscriptnodepool_p.h"
#include <QtCore/QList>
#ifndef QT_NO_QOBJECT
# include <QtCore/QPointer>
# include <QtCore/QMetaMethod>
#endif
QT_BEGIN_NAMESPACE
class QScriptContext;
class QScriptContextPrivate;
class QScriptNameIdImpl;
class QScriptFunction: public QScriptObjectData
{
public:
enum Type {
Unknown,
Script,
C,
C2,
C3,
Qt,
QtProperty
};
QScriptFunction(int len = 0)
: length(len)
{ }
virtual ~QScriptFunction();
virtual void execute(QScriptContextPrivate *context) = 0;
virtual QString toString(QScriptContextPrivate *context) const;
virtual Type type() const { return Unknown; }
// name of the file the function is defined in
virtual QString fileName() const;
virtual QString functionName() const;
virtual int startLineNumber() const;
virtual int endLineNumber() const;
virtual void mark(QScriptEnginePrivate *engine, int generation);
public: // ### private
int length;
QList<QScriptNameIdImpl*> formals;
};
namespace QScript {
// public API function
class CFunction: public QScriptFunction
{
public:
CFunction(QScriptFunctionSignature funPtr, int length)
: QScriptFunction(length), m_funPtr(funPtr)
{ }
virtual ~CFunction() { }
virtual void execute(QScriptContextPrivate *context);
virtual Type type() const { return QScriptFunction::C; }
virtual QString functionName() const;
private:
QScriptFunctionSignature m_funPtr;
};
// internal API function
class C2Function: public QScriptFunction
{
public:
C2Function(QScriptInternalFunctionSignature funPtr, int length,
QScriptClassInfo *classInfo, const QString &name)
: QScriptFunction(length), m_funPtr(funPtr),
m_classInfo(classInfo), m_name(name)
{ }
virtual ~C2Function() {}
virtual void execute(QScriptContextPrivate *context);
virtual Type type() const { return QScriptFunction::C2; }
virtual QString functionName() const;
private:
QScriptInternalFunctionSignature m_funPtr;
QScriptClassInfo *m_classInfo;
QString m_name;
};
class C3Function: public QScriptFunction
{
public:
C3Function(QScriptFunctionWithArgSignature funPtr, void *arg, int length)
: QScriptFunction(length), m_funPtr(funPtr), m_arg(arg)
{ }
virtual ~C3Function() { }
virtual void execute(QScriptContextPrivate *context);
virtual Type type() const { return QScriptFunction::C3; }
private:
QScriptFunctionWithArgSignature m_funPtr;
void *m_arg;
};
namespace AST {
class FunctionExpression;
}
// implemented in qscriptcontext_p.cpp
class ScriptFunction: public QScriptFunction
{
public:
ScriptFunction(AST::FunctionExpression *definition, NodePool *astPool):
m_definition(definition), m_astPool(astPool), m_compiledCode(0) {}
virtual ~ScriptFunction() {}
virtual void execute(QScriptContextPrivate *context);
virtual QString toString(QScriptContextPrivate *context) const;
virtual Type type() const
{ return QScriptFunction::Script; }
virtual QString fileName() const;
virtual QString functionName() const;
virtual int startLineNumber() const;
virtual int endLineNumber() const;
private:
AST::FunctionExpression *m_definition;
QExplicitlySharedDataPointer<NodePool> m_astPool;
Code *m_compiledCode;
};
} // namespace QScript
QT_END_NAMESPACE
#endif // QT_NO_SCRIPT
#endif // QSCRIPTFUNCTION_P_H
|
