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 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 "JSCInlines.h"
  34
  35 namespace JSC {
  36
  37 STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSNotAnObject);
  38
  39 const ClassInfo JSNotAnObject::s_info = { "Object", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSNotAnObject) };
  40
  41 // JSValue methods
  42 JSValue JSNotAnObject::defaultValue(const JSObject*, ExecState* exec, PreferredPrimitiveType)
  43 {
  44     ASSERT_UNUSED(exec, exec->hadException());
  45     return jsNumber(0);
  46 }
  47
  48 // JSObject methods
  49 bool JSNotAnObject::getOwnPropertySlot(JSObject*, ExecState* exec, PropertyName, PropertySlot&)
  50 {
  51     ASSERT_UNUSED(exec, exec->hadException());
  52     return false;
  53 }
  54
  55 bool JSNotAnObject::getOwnPropertySlotByIndex(JSObject*, ExecState* exec, unsigned, PropertySlot&)
  56 {
  57     ASSERT_UNUSED(exec, exec->hadException());
  58     return false;
  59 }
  60
  61 void JSNotAnObject::put(JSCell*, ExecState* exec, PropertyName , JSValue, PutPropertySlot&)
  62 {
  63     ASSERT_UNUSED(exec, exec->hadException());
  64 }
  65
  66 void JSNotAnObject::putByIndex(JSCell*, ExecState* exec, unsigned, JSValue, bool)
  67 {
  68     ASSERT_UNUSED(exec, exec->hadException());
  69 }
  70
  71 bool JSNotAnObject::deleteProperty(JSCell*, ExecState* exec, PropertyName)
  72 {
  73     ASSERT_UNUSED(exec, exec->hadException());
  74     return false;
  75 }
  76
  77 bool JSNotAnObject::deletePropertyByIndex(JSCell*, ExecState* exec, unsigned)
  78 {
  79     ASSERT_UNUSED(exec, exec->hadException());
  80     return false;
  81 }
  82
  83 void JSNotAnObject::getOwnPropertyNames(JSObject*, ExecState* exec, PropertyNameArray&, EnumerationMode)
  84 {
  85     ASSERT_UNUSED(exec, exec->hadException());
  86 }
  87
  88 } // namespace JSC