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 "JSCInlines.h"
30
31namespace JSC {
32
33STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(InternalFunction);
34
35const ClassInfo InternalFunction::s_info = { "Function", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(InternalFunction) };
36
37InternalFunction::InternalFunction(VM& vm, Structure* structure)
38    : JSDestructibleObject(vm, structure)
39{
40}
41
42void InternalFunction::finishCreation(VM& vm, const String& name)
43{
44    Base::finishCreation(vm);
45    ASSERT(inherits(info()));
46    ASSERT(methodTable()->getCallData != InternalFunction::info()->methodTable.getCallData);
47    putDirect(vm, vm.propertyNames->name, jsString(&vm, name), DontDelete | ReadOnly | DontEnum);
48}
49
50const String& InternalFunction::name(ExecState* exec)
51{
52    return asString(getDirect(exec->vm(), exec->vm().propertyNames->name))->tryGetValue();
53}
54
55const 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
65CallType InternalFunction::getCallData(JSCell*, CallData&)
66{
67    RELEASE_ASSERT_NOT_REACHED();
68    return CallTypeNone;
69}
70
71const 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
82