JavaScriptGlue/JSBase.cpp

   1 /*
   2  * Copyright (C) 2005 Apple Computer, 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 #include "config.h"
  30 #include "JSBase.h"
  31
  32 JSBase::JSBase(JSTypeID type) : fTypeID(type), fRetainCount(1)
  33 {
  34 }
  35
  36 JSBase::~JSBase()
  37 {
  38 }
  39
  40 JSBase* JSBase::Retain()
  41 {
  42     fRetainCount++; return this;
  43 }
  44
  45 void JSBase::Release()
  46 {
  47     if (--fRetainCount == 0)
  48     {
  49         JSLock lock(LockForReal);
  50         delete this;
  51     }
  52 }
  53
  54 CFIndex JSBase::RetainCount() const
  55 {
  56     return fRetainCount;
  57 }
  58
  59 JSTypeID JSBase::GetTypeID() const
  60 {
  61     return fTypeID;
  62 }
  63
  64 CFStringRef JSBase::CopyDescription()
  65 {
  66     return CFStringCreateWithFormat(
  67                 0,
  68                 0,
  69                 CFSTR("<JSTypeRef- ptr:0x%lx type: %d, retaincount: %ld>"),
  70                 (long)this,
  71                 (int)fTypeID,
  72                 (long)fRetainCount);
  73 }
  74
  75 UInt8 JSBase::Equal(JSBase* other)
  76 {
  77     return this == other;
  78 }