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
|
/****************************************************************************
**
** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the $MODULE$ of the Qt Toolkit.
**
** $TROLLTECH_DUAL_LICENSE$
**
****************************************************************************/
#include "qscriptfunction_p.h"
#ifndef QT_NO_SCRIPT
#include "private/qscriptengine_p.h"
#include "qscriptcontext.h"
#include "private/qscriptcontext_p.h"
#include "JSGlobalObject.h"
QT_BEGIN_NAMESPACE
namespace JSC
{
ASSERT_CLASS_FITS_IN_CELL(QScript::FunctionWrapper);
ASSERT_CLASS_FITS_IN_CELL(QScript::FunctionWithArgWrapper);
}
namespace QScript
{
FunctionWrapper::FunctionWrapper(QScriptEngine *engine, int length, const JSC::Identifier &name,
QScriptEngine::FunctionSignature function)
: JSC::PrototypeFunction(QScriptEnginePrivate::get(engine)->globalObject->globalExec(),
length, name, proxyCall), data(new Data())
{
data->engine = engine;
data->function = function;
}
FunctionWrapper::~FunctionWrapper()
{
delete data;
}
JSC::ConstructType FunctionWrapper::getConstructData(JSC::ConstructData& consData)
{
consData.native.function = proxyConstruct;
return JSC::ConstructTypeHost;
}
JSC::JSValue FunctionWrapper::proxyCall(JSC::ExecState *exec, JSC::JSObject *callee,
JSC::JSValue thisObject, const JSC::ArgList &args)
{
FunctionWrapper *self = static_cast<FunctionWrapper*>(callee);
QScriptEnginePrivate *eng_p = QScriptEnginePrivate::get(self->data->engine);
JSC::ExecState *previousFrame = eng_p->currentFrame;
eng_p->currentFrame = exec;
QScriptContext *ctx = eng_p->contextForFrame(exec);
QScriptValue result = self->data->function(ctx, self->data->engine);
if (!result.isValid())
result = QScriptValue(QScriptValue::UndefinedValue);
eng_p->currentFrame = previousFrame;
eng_p->releaseContextForFrame(exec);
return eng_p->scriptValueToJSCValue(result);
}
JSC::JSObject* FunctionWrapper::proxyConstruct(JSC::ExecState *exec, JSC::JSObject *callee,
const JSC::ArgList &args)
{
FunctionWrapper *self = static_cast<FunctionWrapper*>(callee);
QScriptEnginePrivate *eng_p = QScriptEnginePrivate::get(self->data->engine);
JSC::ExecState *previousFrame = eng_p->currentFrame;
QScriptContext *ctx = eng_p->contextForFrame(exec);
eng_p->currentFrame = exec;
QScriptValue defaultObject = ctx->thisObject();
QScriptValue result = self->data->function(ctx, self->data->engine);
if (!result.isObject())
result = defaultObject;
eng_p->currentFrame = previousFrame;
eng_p->releaseContextForFrame(exec);
return JSC::asObject(eng_p->scriptValueToJSCValue(result));
}
FunctionWithArgWrapper::FunctionWithArgWrapper(QScriptEngine *engine, int length, const JSC::Identifier &name,
QScriptEngine::FunctionWithArgSignature function, void *arg)
: JSC::PrototypeFunction(QScriptEnginePrivate::get(engine)->globalObject->globalExec(),
length, name, proxyCall), data(new Data())
{
data->engine = engine;
data->function = function;
data->arg = arg;
}
FunctionWithArgWrapper::~FunctionWithArgWrapper()
{
delete data;
}
JSC::ConstructType FunctionWithArgWrapper::getConstructData(JSC::ConstructData& consData)
{
consData.native.function = proxyConstruct;
return JSC::ConstructTypeHost;
}
JSC::JSValue FunctionWithArgWrapper::proxyCall(JSC::ExecState *exec, JSC::JSObject *callee,
JSC::JSValue thisObject, const JSC::ArgList &args)
{
FunctionWithArgWrapper *self = static_cast<FunctionWithArgWrapper*>(callee);
QScriptEnginePrivate *eng_p = QScriptEnginePrivate::get(self->data->engine);
JSC::ExecState *previousFrame = eng_p->currentFrame;
QScriptContext *ctx = eng_p->contextForFrame(exec);
eng_p->currentFrame = exec;
QScriptValue result = self->data->function(ctx, self->data->engine, self->data->arg);
eng_p->currentFrame = previousFrame;
eng_p->releaseContextForFrame(exec);
return eng_p->scriptValueToJSCValue(result);
}
JSC::JSObject* FunctionWithArgWrapper::proxyConstruct(JSC::ExecState *exec, JSC::JSObject *callee,
const JSC::ArgList &args)
{
FunctionWithArgWrapper *self = static_cast<FunctionWithArgWrapper*>(callee);
QScriptEnginePrivate *eng_p = QScriptEnginePrivate::get(self->data->engine);
JSC::ExecState *previousFrame = eng_p->currentFrame;
QScriptContext *ctx = eng_p->contextForFrame(exec);
eng_p->currentFrame = exec;
QScriptValue defaultObject = ctx->thisObject();
QScriptValue result = self->data->function(ctx, self->data->engine, self->data->arg);
if (!result.isObject())
result = defaultObject;
eng_p->currentFrame = previousFrame;
eng_p->releaseContextForFrame(exec);
return JSC::asObject(eng_p->scriptValueToJSCValue(result));
}
} // namespace QScript
QT_END_NAMESPACE
#endif // QT_NO_SCRIPT
|
