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1 | /* | |
2 | * Copyright (C) 1999-2002 Harri Porten (porten@kde.org) | |
3 | * Copyright (C) 2001 Peter Kelly (pmk@post.com) | |
4 | * Copyright (C) 2004, 2007, 2008 Apple Inc. All rights reserved. | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU Library General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2 of the License, or (at your option) any later version. | |
10 | * | |
11 | * This library is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * Library General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU Library General Public License | |
17 | * along with this library; see the file COPYING.LIB. If not, write to | |
18 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
19 | * Boston, MA 02110-1301, USA. | |
20 | * | |
21 | */ | |
22 | ||
23 | #include "config.h" | |
24 | #include "InternalFunction.h" | |
25 | ||
26 | #include "FunctionPrototype.h" | |
27 | #include "JSGlobalObject.h" | |
28 | #include "JSString.h" | |
29 | #include "Operations.h" | |
30 | ||
31 | namespace JSC { | |
32 | ||
33 | ASSERT_HAS_TRIVIAL_DESTRUCTOR(InternalFunction); | |
34 | ||
35 | const ClassInfo InternalFunction::s_info = { "Function", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(InternalFunction) }; | |
36 | ||
37 | InternalFunction::InternalFunction(JSGlobalObject* globalObject, Structure* structure) | |
38 | : JSDestructibleObject(globalObject->vm(), structure) | |
39 | { | |
40 | } | |
41 | ||
42 | void InternalFunction::finishCreation(VM& vm, const String& name) | |
43 | { | |
44 | Base::finishCreation(vm); | |
45 | ASSERT(inherits(&s_info)); | |
46 | ASSERT(methodTable()->getCallData != InternalFunction::s_info.methodTable.getCallData); | |
47 | putDirect(vm, vm.propertyNames->name, jsString(&vm, name), DontDelete | ReadOnly | DontEnum); | |
48 | } | |
49 | ||
50 | const String& InternalFunction::name(ExecState* exec) | |
51 | { | |
52 | return asString(getDirect(exec->vm(), exec->vm().propertyNames->name))->tryGetValue(); | |
53 | } | |
54 | ||
55 | const String InternalFunction::displayName(ExecState* exec) | |
56 | { | |
57 | JSValue displayName = getDirect(exec->vm(), exec->vm().propertyNames->displayName); | |
58 | ||
59 | if (displayName && isJSString(displayName)) | |
60 | return asString(displayName)->tryGetValue(); | |
61 | ||
62 | return String(); | |
63 | } | |
64 | ||
65 | CallType InternalFunction::getCallData(JSCell*, CallData&) | |
66 | { | |
67 | RELEASE_ASSERT_NOT_REACHED(); | |
68 | return CallTypeNone; | |
69 | } | |
70 | ||
71 | const String InternalFunction::calculatedDisplayName(ExecState* exec) | |
72 | { | |
73 | const String explicitName = displayName(exec); | |
74 | ||
75 | if (!explicitName.isEmpty()) | |
76 | return explicitName; | |
77 | ||
78 | return name(exec); | |
79 | } | |
80 | ||
81 | } // namespace JSC |