runtime/JSStaticScopeObject.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  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27
  28 #include "JSStaticScopeObject.h"
  29
  30 namespace JSC {
  31
  32 ASSERT_CLASS_FITS_IN_CELL(JSStaticScopeObject);
  33
  34 void JSStaticScopeObject::markChildren(MarkStack& markStack)
  35 {
  36     JSVariableObject::markChildren(markStack);
  37     markStack.append(d()->registerStore.jsValue());
  38 }
  39
  40 JSObject* JSStaticScopeObject::toThisObject(ExecState* exec) const
  41 {
  42     return exec->globalThisValue();
  43 }
  44
  45 void JSStaticScopeObject::put(ExecState*, const Identifier& propertyName, JSValue value, PutPropertySlot&)
  46 {
  47     if (symbolTablePut(propertyName, value))
  48         return;
  49
  50     ASSERT_NOT_REACHED();
  51 }
  52
  53 void JSStaticScopeObject::putWithAttributes(ExecState*, const Identifier& propertyName, JSValue value, unsigned attributes)
  54 {
  55     if (symbolTablePutWithAttributes(propertyName, value, attributes))
  56         return;
  57
  58     ASSERT_NOT_REACHED();
  59 }
  60
  61 bool JSStaticScopeObject::isDynamicScope(bool&) const
  62 {
  63     return false;
  64 }
  65
  66 JSStaticScopeObject::~JSStaticScopeObject()
  67 {
  68     ASSERT(d());
  69     delete d();
  70 }
  71
  72 inline bool JSStaticScopeObject::getOwnPropertySlot(ExecState*, const Identifier& propertyName, PropertySlot& slot)
  73 {
  74     return symbolTableGet(propertyName, slot);
  75 }
  76
  77 }