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
30 namespace JSC {
31
32 // Ensure the compiler generates a vtable for InternalFunction!
vtableAnchor()33 void InternalFunction::vtableAnchor() {}
34
35 ASSERT_CLASS_FITS_IN_CELL(InternalFunction);
36
37 const ClassInfo InternalFunction::s_info = { "Function", &JSObjectWithGlobalObject::s_info, 0, 0 };
38
InternalFunction(VPtrStealingHackType)39 InternalFunction::InternalFunction(VPtrStealingHackType)
40 : JSObjectWithGlobalObject(VPtrStealingHack)
41 {
42 }
43
InternalFunction(JSGlobalData * globalData,JSGlobalObject * globalObject,Structure * structure,const Identifier & name)44 InternalFunction::InternalFunction(JSGlobalData* globalData, JSGlobalObject* globalObject, Structure* structure, const Identifier& name)
45 : JSObjectWithGlobalObject(globalObject, structure)
46 {
47 ASSERT(inherits(&s_info));
48 putDirect(*globalData, globalData->propertyNames->name, jsString(globalData, name.isNull() ? "" : name.ustring()), DontDelete | ReadOnly | DontEnum);
49 }
50
name(ExecState * exec)51 const UString& InternalFunction::name(ExecState* exec)
52 {
53 return asString(getDirect(exec->globalData(), exec->globalData().propertyNames->name))->tryGetValue();
54 }
55
displayName(ExecState * exec)56 const UString InternalFunction::displayName(ExecState* exec)
57 {
58 JSValue displayName = getDirect(exec->globalData(), exec->globalData().propertyNames->displayName);
59
60 if (displayName && isJSString(&exec->globalData(), displayName))
61 return asString(displayName)->tryGetValue();
62
63 return UString();
64 }
65
calculatedDisplayName(ExecState * exec)66 const UString InternalFunction::calculatedDisplayName(ExecState* exec)
67 {
68 const UString explicitName = displayName(exec);
69
70 if (!explicitName.isEmpty())
71 return explicitName;
72
73 return name(exec);
74 }
75
76 } // namespace JSC
77