parser/ParserArena.cpp

   1 /*
   2  * Copyright (C) 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 #include "ParserArena.h"
  28
  29 #include "Nodes.h"
  30
  31 namespace JSC {
  32
  33 ParserArena::~ParserArena()
  34 {
  35     deleteAllValues(m_deletableObjects);
  36 }
  37
  38 bool ParserArena::contains(ParserArenaRefCounted* object) const
  39 {
  40     return m_refCountedObjects.find(object) != notFound;
  41 }
  42
  43 ParserArenaRefCounted* ParserArena::last() const
  44 {
  45     return m_refCountedObjects.last().get();
  46 }
  47
  48 void ParserArena::removeLast()
  49 {
  50     m_refCountedObjects.removeLast();
  51 }
  52
  53 void ParserArena::reset()
  54 {
  55     deleteAllValues(m_deletableObjects);
  56     m_deletableObjects.shrink(0);
  57     m_refCountedObjects.shrink(0);
  58 }
  59
  60 }