webkitgtk-2.4.9webkitgtk-2.4.9

1 files changed, 0 insertions, 119 deletions

diff --git a/Source/JavaScriptCore/runtime/StructureIDTable.cpp b/Source/JavaScriptCore/runtime/StructureIDTable.cpp
deleted file mode 100644
index 8aa89b066..000000000
--- a/Source/JavaScriptCore/runtime/StructureIDTable.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * Copyright (C) 2013 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. AND ITS CONTRIBUTORS ``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 ITS 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 "StructureIDTable.h"
-
-#include <limits.h>
-#include <wtf/Atomics.h>
-#include <wtf/DataLog.h>
-
-namespace JSC {
-
-StructureIDTable::StructureIDTable()
-    : m_firstFreeOffset(0)
-    , m_table(std::make_unique<StructureOrOffset[]>(s_initialSize))
-    , m_size(0)
-    , m_capacity(s_initialSize)
-{
-    // We pre-allocate the first offset so that the null Structure
-    // can still be represented as the StructureID '0'.
-    allocateID(0);
-}
-
-void StructureIDTable::resize(size_t newCapacity)
-{
-    // Create the new table.
-    auto newTable = std::make_unique<StructureOrOffset[]>(newCapacity);
-
-    // Copy the contents of the old table to the new table.
-    memcpy(newTable.get(), table(), m_capacity * sizeof(StructureOrOffset));
-
-    // Store fence to make sure we've copied everything before doing the swap.
-    WTF::storeStoreFence();
-
-    // Swap the old and new tables.
-    swap(m_table, newTable);
-
-    // Put the old table (now labeled as new) into the list of old tables.
-    m_oldTables.append(WTF::move(newTable));
-
-    // Update the capacity.
-    m_capacity = newCapacity;
-}
-
-void StructureIDTable::flushOldTables()
-{
-    m_oldTables.clear();
-}
-
-StructureID StructureIDTable::allocateID(Structure* structure)
-{
-#if USE(JSVALUE64)
-    if (!m_firstFreeOffset) {
-        RELEASE_ASSERT(m_capacity <= UINT_MAX);
-        if (m_size == m_capacity)
-            resize(m_capacity * 2);
-        ASSERT(m_size < m_capacity);
-
-        StructureOrOffset newEntry;
-        newEntry.structure = structure;
-
-        if (m_size == s_unusedID) {
-            m_size++;
-            return allocateID(structure);
-        }
-
-        StructureID result = m_size;
-        table()[result] = newEntry;
-        m_size++;
-        return result;
-    }
-
-    ASSERT(m_firstFreeOffset != s_unusedID);
-
-    StructureID result = m_firstFreeOffset;
-    m_firstFreeOffset = table()[m_firstFreeOffset].offset;
-    table()[result].structure = structure;
-    return result;
-#else
-    return structure;
-#endif
-}
-
-void StructureIDTable::deallocateID(Structure* structure, StructureID structureID)
-{
-#if USE(JSVALUE64)
-    ASSERT(structureID != s_unusedID);
-    RELEASE_ASSERT(table()[structureID].structure == structure);
-    table()[structureID].offset = m_firstFreeOffset;
-    m_firstFreeOffset = structureID;
-#else
-    UNUSED_PARAM(structure);
-    UNUSED_PARAM(structureID);
-#endif
-}
-
-} // namespace JSC