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 ASSERT_CLASS_FITS_IN_CELL(InternalFunction);

    33 

    34 const ClassInfo InternalFunction::info = { "Function", 0, 0, 0 };

    35 

    36 const ClassInfo* InternalFunction::classInfo() const

    37 {

    38     return &info;

    39 }

    40 

    41 InternalFunction::InternalFunction(NonNullPassRefPtr<Structure> structure)

    42     : JSObjectWithGlobalObject(structure)

    43 {

    44 }

    45 

    46 InternalFunction::InternalFunction(JSGlobalData* globalData, JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> structure, const Identifier& name)

    47     : JSObjectWithGlobalObject(globalObject, structure)

    48 {

    49     putDirect(globalData->propertyNames->name, jsString(globalData, name.isNull() ? "" : name.ustring()), DontDelete | ReadOnly | DontEnum);

    50 }

    51 

    52 const UString& InternalFunction::name(ExecState* exec)

    53 {

    54     return asString(getDirect(exec->globalData().propertyNames->name))->tryGetValue();

    55 }

    56 

    57 const UString InternalFunction::displayName(ExecState* exec)

    58 {

    59     JSValue displayName = getDirect(exec->globalData().propertyNames->displayName);

    60     

    61     if (displayName && isJSString(&exec->globalData(), displayName))

    62         return asString(displayName)->tryGetValue();

    63     

    64     return UString::null();

    65 }

    66 

    67 const UString InternalFunction::calculatedDisplayName(ExecState* exec)

    68 {

    69     const UString explicitName = displayName(exec);

    70     

    71     if (!explicitName.isEmpty())

    72         return explicitName;

    73     

    74     return name(exec);

    75 }

    76 

    77 } // namespace JSC