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
|
/*
* Copyright (C) 1999-2002 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2004, 2007, 2008, 2009, 2014 Apple Inc. All rights reserved.
*
* 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.
*
*/
#include "config.h"
#include "GetterSetter.h"
#include "Error.h"
#include "Exception.h"
#include "JSObject.h"
#include "JSCInlines.h"
#include <wtf/Assertions.h>
namespace JSC {
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(GetterSetter);
const ClassInfo GetterSetter::s_info = { "GetterSetter", 0, 0, CREATE_METHOD_TABLE(GetterSetter) };
void GetterSetter::visitChildren(JSCell* cell, SlotVisitor& visitor)
{
GetterSetter* thisObject = jsCast<GetterSetter*>(cell);
ASSERT_GC_OBJECT_INHERITS(thisObject, info());
JSCell::visitChildren(thisObject, visitor);
visitor.append(&thisObject->m_getter);
visitor.append(&thisObject->m_setter);
}
GetterSetter* GetterSetter::withGetter(VM& vm, JSGlobalObject* globalObject, JSObject* newGetter)
{
if (isGetterNull()) {
setGetter(vm, globalObject, newGetter);
return this;
}
GetterSetter* result = GetterSetter::create(vm, globalObject);
result->setGetter(vm, globalObject, newGetter);
result->setSetter(vm, globalObject, setter());
return result;
}
GetterSetter* GetterSetter::withSetter(VM& vm, JSGlobalObject* globalObject, JSObject* newSetter)
{
if (isSetterNull()) {
setSetter(vm, globalObject, newSetter);
return this;
}
GetterSetter* result = GetterSetter::create(vm, globalObject);
result->setGetter(vm, globalObject, getter());
result->setSetter(vm, globalObject, newSetter);
return result;
}
JSValue callGetter(ExecState* exec, JSValue base, JSValue getterSetter)
{
// FIXME: Some callers may invoke get() without checking for an exception first.
// We work around that by checking here.
if (exec->hadException())
return exec->exception()->value();
JSObject* getter = jsCast<GetterSetter*>(getterSetter)->getter();
CallData callData;
CallType callType = getter->methodTable(exec->vm())->getCallData(getter, callData);
return call(exec, getter, callType, callData, base, ArgList());
}
void callSetter(ExecState* exec, JSValue base, JSValue getterSetter, JSValue value, ECMAMode ecmaMode)
{
GetterSetter* getterSetterObj = jsCast<GetterSetter*>(getterSetter);
if (getterSetterObj->isSetterNull()) {
if (ecmaMode == StrictMode)
throwTypeError(exec, StrictModeReadonlyPropertyWriteError);
return;
}
JSObject* setter = getterSetterObj->setter();
MarkedArgumentBuffer args;
args.append(value);
CallData callData;
CallType callType = setter->methodTable(exec->vm())->getCallData(setter, callData);
call(exec, setter, callType, callData, base, args);
}
} // namespace JSC
|
