JavaScriptCore-1097.3.tar.gz

[apple/javascriptcore.git] / runtime / RopeImpl.h

diff --git a/runtime/RopeImpl.h b/runtime/RopeImpl.h
deleted file mode 100644 (file)
index dfacbf5..0000000
--- a/runtime/RopeImpl.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Copyright (C) 2009, 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. 
- */
-
-#ifndef RopeImpl_h
-#define RopeImpl_h
-
-#include <wtf/text/StringImpl.h>
-
-namespace JSC {
-
-class RopeImpl : public StringImplBase {
-public:
-    // A RopeImpl is composed from a set of smaller strings called Fibers.
-    // Each Fiber in a rope is either StringImpl or another RopeImpl.
-    typedef StringImplBase* Fiber;
-
-    // Creates a RopeImpl comprising of 'fiberCount' Fibers.
-    // The RopeImpl is constructed in an uninitialized state - initialize must be called for each Fiber in the RopeImpl.
-    static PassRefPtr<RopeImpl> tryCreateUninitialized(unsigned fiberCount)
-    {
-        void* allocation;
-        if (tryFastMalloc(sizeof(RopeImpl) + (fiberCount - 1) * sizeof(Fiber)).getValue(allocation))
-            return adoptRef(new (allocation) RopeImpl(fiberCount));
-        return 0;
-    }
-
-    static bool isRope(Fiber fiber)
-    {
-        return !fiber->isStringImpl();
-    }
-
-    static void deref(Fiber fiber)
-    {
-        if (isRope(fiber))
-            static_cast<RopeImpl*>(fiber)->deref();
-        else
-            static_cast<StringImpl*>(fiber)->deref();
-    }
-
-    void initializeFiber(unsigned &index, Fiber fiber)
-    {
-        m_fibers[index++] = fiber;
-        fiber->ref();
-        m_length += fiber->length();
-    }
-
-    unsigned fiberCount() { return m_size; }
-    Fiber* fibers() { return m_fibers; }
-
-    ALWAYS_INLINE void deref()
-    {
-        m_refCountAndFlags -= s_refCountIncrement;
-        if (!(m_refCountAndFlags & s_refCountMask))
-            destructNonRecursive();
-    }
-
-private:
-    RopeImpl(unsigned fiberCount)
-        : StringImplBase(ConstructNonStringImpl)
-        , m_size(fiberCount)
-    {
-    }
-
-    void destructNonRecursive();
-    void derefFibersNonRecursive(Vector<RopeImpl*, 32>& workQueue);
-
-    bool hasOneRef() { return (m_refCountAndFlags & s_refCountMask) == s_refCountIncrement; }
-
-    unsigned m_size;
-    Fiber m_fibers[1];
-};
-
-}
-
-#endif