Move Source/WTF/wtf to Source/wtf

Source/WTF/wtf/text/StringStatics.cpp

-/*
- * Copyright (C) 2010 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 "StringStatics.h"
-
-#ifdef SKIP_STATIC_CONSTRUCTORS_ON_GCC
-#define ATOMICSTRING_HIDE_GLOBALS 1
-#endif
-
-#include "AtomicString.h"
-#include "DynamicAnnotations.h"
-#include "MainThread.h"
-#include "StaticConstructors.h"
-#include "StringImpl.h"
-
-namespace WTF {
-
-StringImpl* StringImpl::empty()
-{
-    // FIXME: This works around a bug in our port of PCRE, that a regular expression
-    // run on the empty string may still perform a read from the first element, and
-    // as such we need this to be a valid pointer. No code should ever be reading
-    // from a zero length string, so this should be able to be a non-null pointer
-    // into the zero-page.
-    // Replace this with 'reinterpret_cast<UChar*>(static_cast<intptr_t>(1))' once
-    // PCRE goes away.
-    static LChar emptyLCharData = 0;
-    DEFINE_STATIC_LOCAL(StringImpl, emptyString, (&emptyLCharData, 0, ConstructStaticString));
-    WTF_ANNOTATE_BENIGN_RACE(&emptyString, "Benign race on StringImpl::emptyString reference counter");
-    return &emptyString;
-}
-
-WTF_EXPORTDATA DEFINE_GLOBAL(AtomicString, nullAtom)
-WTF_EXPORTDATA DEFINE_GLOBAL(AtomicString, emptyAtom)
-WTF_EXPORTDATA DEFINE_GLOBAL(AtomicString, textAtom)
-WTF_EXPORTDATA DEFINE_GLOBAL(AtomicString, commentAtom)
-WTF_EXPORTDATA DEFINE_GLOBAL(AtomicString, starAtom)
-WTF_EXPORTDATA DEFINE_GLOBAL(AtomicString, xmlAtom)
-WTF_EXPORTDATA DEFINE_GLOBAL(AtomicString, xmlnsAtom)
-WTF_EXPORTDATA DEFINE_GLOBAL(AtomicString, xlinkAtom)
-
-NEVER_INLINE unsigned StringImpl::hashSlowCase() const
-{
-    if (is8Bit())
-        setHash(StringHasher::computeHashAndMaskTop8Bits(m_data8, m_length));
-    else
-        setHash(StringHasher::computeHashAndMaskTop8Bits(m_data16, m_length));
-    return existingHash();
-}
-
-void AtomicString::init()
-{
-    static bool initialized;
-    if (initialized)
-        return;
-    initialized = true;
-
-    ASSERT(isMainThread());
-
-    new (NotNull, (void*)&nullAtom) AtomicString;
-    new (NotNull, (void*)&emptyAtom) AtomicString("");
-}
-
-void StringStatics::init()
-{
-    static bool initialized;
-    if (initialized)
-        return;
-    initialized = true;
-
-    ASSERT(isMainThread());
-
-    // FIXME: These should be allocated at compile time.
-    new (NotNull, (void*)&textAtom) AtomicString("#text", AtomicString::ConstructFromLiteral);
-    new (NotNull, (void*)&commentAtom) AtomicString("#comment", AtomicString::ConstructFromLiteral);
-    new (NotNull, (void*)&starAtom) AtomicString("*", AtomicString::ConstructFromLiteral);
-    new (NotNull, (void*)&xmlAtom) AtomicString("xml", AtomicString::ConstructFromLiteral);
-    new (NotNull, (void*)&xmlnsAtom) AtomicString("xmlns", AtomicString::ConstructFromLiteral);
-    new (NotNull, (void*)&xlinkAtom) AtomicString("xlink", AtomicString::ConstructFromLiteral);
-}
-
-}