runtime/GetterSetter.cpp

   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 "GetterSetter.h"
  25
  26 #include "JSObject.h"
  27 #include <wtf/Assertions.h>
  28
  29 namespace JSC {
  30
  31 void GetterSetter::mark()
  32 {
  33     JSCell::mark();
  34
  35     if (m_getter && !m_getter->marked())
  36         m_getter->mark();
  37     if (m_setter && !m_setter->marked())
  38         m_setter->mark();
  39 }
  40
  41 JSValuePtr GetterSetter::toPrimitive(ExecState*, PreferredPrimitiveType) const
  42 {
  43     ASSERT_NOT_REACHED();
  44     return jsNull();
  45 }
  46
  47 bool GetterSetter::getPrimitiveNumber(ExecState*, double& number, JSValuePtr& value)
  48 {
  49     ASSERT_NOT_REACHED();
  50     number = 0;
  51     value = noValue();
  52     return true;
  53 }
  54
  55 bool GetterSetter::toBoolean(ExecState*) const
  56 {
  57     ASSERT_NOT_REACHED();
  58     return false;
  59 }
  60
  61 double GetterSetter::toNumber(ExecState*) const
  62 {
  63     ASSERT_NOT_REACHED();
  64     return 0.0;
  65 }
  66
  67 UString GetterSetter::toString(ExecState*) const
  68 {
  69     ASSERT_NOT_REACHED();
  70     return UString::null();
  71 }
  72
  73 JSObject* GetterSetter::toObject(ExecState* exec) const
  74 {
  75     ASSERT_NOT_REACHED();
  76     return jsNull().toObject(exec);
  77 }
  78
  79 bool GetterSetter::isGetterSetter() const
  80 {
  81     return true;
  82 }
  83
  84 } // namespace JSC