runtime/JSNotAnObject.cpp

   1 /*
   2  * Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  *
   8  * 1.  Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  * 2.  Redistributions in binary form must reproduce the above copyright
  11  *     notice, this list of conditions and the following disclaimer in the
  12  *     documentation and/or other materials provided with the distribution.
  13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
  14  *     its contributors may be used to endorse or promote products derived
  15  *     from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29
  30 #include "config.h"
  31 #include "JSNotAnObject.h"
  32
  33 #include <wtf/UnusedParam.h>
  34
  35 namespace JSC {
  36
  37 ASSERT_CLASS_FITS_IN_CELL(JSNotAnObject);
  38 ASSERT_HAS_TRIVIAL_DESTRUCTOR(JSNotAnObject);
  39
  40 const ClassInfo JSNotAnObject::s_info = { "Object", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSNotAnObject) };
  41
  42 // JSValue methods
  43 JSValue JSNotAnObject::defaultValue(const JSObject*, ExecState* exec, PreferredPrimitiveType)
  44 {
  45     ASSERT_UNUSED(exec, exec->hadException());
  46     return jsNumber(0);
  47 }
  48
  49 // JSObject methods
  50 bool JSNotAnObject::getOwnPropertySlot(JSCell*, ExecState* exec, const Identifier&, PropertySlot&)
  51 {
  52     ASSERT_UNUSED(exec, exec->hadException());
  53     return false;
  54 }
  55
  56 bool JSNotAnObject::getOwnPropertySlotByIndex(JSCell*, ExecState* exec, unsigned, PropertySlot&)
  57 {
  58     ASSERT_UNUSED(exec, exec->hadException());
  59     return false;
  60 }
  61
  62 bool JSNotAnObject::getOwnPropertyDescriptor(JSObject*, ExecState* exec, const Identifier&, PropertyDescriptor&)
  63 {
  64     ASSERT_UNUSED(exec, exec->hadException());
  65     return false;
  66 }
  67
  68 void JSNotAnObject::put(JSCell*, ExecState* exec, const Identifier& , JSValue, PutPropertySlot&)
  69 {
  70     ASSERT_UNUSED(exec, exec->hadException());
  71 }
  72
  73 void JSNotAnObject::putByIndex(JSCell*, ExecState* exec, unsigned, JSValue, bool)
  74 {
  75     ASSERT_UNUSED(exec, exec->hadException());
  76 }
  77
  78 bool JSNotAnObject::deleteProperty(JSCell*, ExecState* exec, const Identifier&)
  79 {
  80     ASSERT_UNUSED(exec, exec->hadException());
  81     return false;
  82 }
  83
  84 bool JSNotAnObject::deletePropertyByIndex(JSCell*, ExecState* exec, unsigned)
  85 {
  86     ASSERT_UNUSED(exec, exec->hadException());
  87     return false;
  88 }
  89
  90 void JSNotAnObject::getOwnPropertyNames(JSObject*, ExecState* exec, PropertyNameArray&, EnumerationMode)
  91 {
  92     ASSERT_UNUSED(exec, exec->hadException());
  93 }
  94
  95 } // namespace JSC