1 files changed, 0 insertions, 127 deletions
diff --git a/Source/JavaScriptCore/runtime/MarkStack.cpp b/Source/JavaScriptCore/runtime/MarkStack.cpp
deleted file mode 100644
index e9d1b13..0000000
--- a/Source/JavaScriptCore/runtime/MarkStack.cpp
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Copyright (C) 2009, 2011 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 "MarkStack.h"
-
-#include "ConservativeSet.h"
-#include "Heap.h"
-#include "JSArray.h"
-#include "JSCell.h"
-#include "JSObject.h"
-#include "ScopeChain.h"
-#include "Structure.h"
-
-namespace JSC {
-
-size_t MarkStack::s_pageSize = 0;
-
-void MarkStack::compact()
-{
-    ASSERT(s_pageSize);
-    m_values.shrinkAllocation(s_pageSize);
-    m_markSets.shrinkAllocation(s_pageSize);
-}
-
-void MarkStack::append(ConservativeRoots& conservativeRoots)
-{
-    JSCell** roots = conservativeRoots.roots();
-    size_t size = conservativeRoots.size();
-    for (size_t i = 0; i < size; ++i)
-        internalAppend(roots[i]);
-}
-
-inline void MarkStack::markChildren(JSCell* cell)
-{
-    ASSERT(Heap::isMarked(cell));
-    if (!cell->structure()->typeInfo().overridesMarkChildren()) {
-#ifdef NDEBUG
-        asObject(cell)->markChildrenDirect(*this);
-#else
-        ASSERT(!m_isCheckingForDefaultMarkViolation);
-        m_isCheckingForDefaultMarkViolation = true;
-        cell->markChildren(*this);
-        ASSERT(m_isCheckingForDefaultMarkViolation);
-        m_isCheckingForDefaultMarkViolation = false;
-#endif
-        return;
-    }
-    if (cell->vptr() == m_jsArrayVPtr) {
-        asArray(cell)->markChildrenDirect(*this);
-        return;
-    }
-    cell->markChildren(*this);
-}
-
-void MarkStack::drain()
-{
-#if !ASSERT_DISABLED
-    ASSERT(!m_isDraining);
-    m_isDraining = true;
-#endif
-    while (!m_markSets.isEmpty() || !m_values.isEmpty()) {
-        while (!m_markSets.isEmpty() && m_values.size() < 50) {
-            ASSERT(!m_markSets.isEmpty());
-            MarkSet& current = m_markSets.last();
-            ASSERT(current.m_values);
-            JSValue* end = current.m_end;
-            ASSERT(current.m_values);
-            ASSERT(current.m_values != end);
-        findNextUnmarkedNullValue:
-            ASSERT(current.m_values != end);
-            JSValue value = *current.m_values;
-            current.m_values++;
-
-            JSCell* cell;
-            if (!value || !value.isCell() || Heap::testAndSetMarked(cell = value.asCell())) {
-                if (current.m_values == end) {
-                    m_markSets.removeLast();
-                    continue;
-                }
-                goto findNextUnmarkedNullValue;
-            }
-
-            if (cell->structure()->typeInfo().type() < CompoundType) {
-                if (current.m_values == end) {
-                    m_markSets.removeLast();
-                    continue;
-                }
-                goto findNextUnmarkedNullValue;
-            }
-
-            if (current.m_values == end)
-                m_markSets.removeLast();
-
-            markChildren(cell);
-        }
-        while (!m_values.isEmpty())
-            markChildren(m_values.removeLast());
-    }
-#if !ASSERT_DISABLED
-    m_isDraining = false;
-#endif
-}
-
-} // namespace JSC