JavaScriptCore-621.1.tar.gz

[apple/javascriptcore.git] / runtime / UStringImpl.cpp

diff --git a/runtime/UStringImpl.cpp b/runtime/UStringImpl.cpp
deleted file mode 100644 (file)
index 4b0d1c9..0000000
--- a/runtime/UStringImpl.cpp
+++ /dev/null
@@ -1,82 +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_dataBuffer.asPtr<void*>()));
-
-    if (bufferOwnership() != BufferShared)
-        m_dataBuffer = UntypedPtrAndBitfield(SharedUChar::create(new OwnFastMallocPtr<UChar>(m_data)).releaseRef(), BufferShared);
-
-    return m_dataBuffer.asPtr<SharedUChar*>();
-}
-
-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_dataBuffer.asPtr<UStringImpl*>()->deref();
-        else {
-            ASSERT(bufferOwnership() == BufferShared);
-            m_dataBuffer.asPtr<SharedUChar*>()->deref();
-        }
-    }
-}
-
-}