diff options
Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.cpp')
-rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.cpp | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.cpp deleted file mode 100644 index 4fde49e..0000000 --- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/UStringImpl.cpp +++ /dev/null @@ -1,84 +0,0 @@ -/* - * Copyright (C) 2009 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" -#include "UStringImpl.h" - -#include "Identifier.h" -#include "UString.h" -#include <wtf/unicode/UTF8.h> - -using namespace WTF::Unicode; -using namespace std; - -namespace JSC { - -SharedUChar* UStringImpl::baseSharedBuffer() -{ - ASSERT((bufferOwnership() == BufferShared) - || ((bufferOwnership() == BufferOwned) && !m_buffer)); - - if (bufferOwnership() != BufferShared) { - m_refCountAndFlags = (m_refCountAndFlags & ~s_refCountMaskBufferOwnership) | BufferShared; - m_bufferShared = SharedUChar::create(new OwnFastMallocPtr<UChar>(m_data)).releaseRef(); - } - - return m_bufferShared; -} - -SharedUChar* UStringImpl::sharedBuffer() -{ - if (m_length < s_minLengthToShare) - return 0; - ASSERT(!isStatic()); - - UStringImpl* owner = bufferOwnerString(); - if (owner->bufferOwnership() == BufferInternal) - return 0; - - return owner->baseSharedBuffer(); -} - -UStringImpl::~UStringImpl() -{ - ASSERT(!isStatic()); - checkConsistency(); - - if (isIdentifier()) - Identifier::remove(this); - - if (bufferOwnership() != BufferInternal) { - if (bufferOwnership() == BufferOwned) - fastFree(m_data); - else if (bufferOwnership() == BufferSubstring) - m_bufferSubstring->deref(); - else { - ASSERT(bufferOwnership() == BufferShared); - m_bufferShared->deref(); - } - } -} - -} |