X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/b80e619319b1def83d1e8b4f84042b661be1be7f..14957cd040308e3eeec43d26bae5d76da13fcd85:/runtime/MarkStack.h

diff --git a/runtime/MarkStack.h b/runtime/MarkStack.h
deleted file mode 100644
index c551bac..0000000
--- a/runtime/MarkStack.h
+++ /dev/null
@@ -1,187 +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. 
- */
-
-#ifndef MarkStack_h
-#define MarkStack_h
-
-#include "JSValue.h"
-#include <wtf/Noncopyable.h>
-
-namespace JSC {
-
-    class JSGlobalData;
-    class Register;
-    
-    enum MarkSetProperties { MayContainNullValues, NoNullValues };
-    
-    class MarkStack : Noncopyable {
-    public:
-        MarkStack(void* jsArrayVPtr)
-            : m_jsArrayVPtr(jsArrayVPtr)
-#ifndef NDEBUG
-            , m_isCheckingForDefaultMarkViolation(false)
-#endif
-        {
-        }
-
-        ALWAYS_INLINE void append(JSValue);
-        void append(JSCell*);
-        
-        ALWAYS_INLINE void appendValues(Register* values, size_t count, MarkSetProperties properties = NoNullValues)
-        {
-            appendValues(reinterpret_cast<JSValue*>(values), count, properties);
-        }
-
-        ALWAYS_INLINE void appendValues(JSValue* values, size_t count, MarkSetProperties properties = NoNullValues)
-        {
-            if (count)
-                m_markSets.append(MarkSet(values, values + count, properties));
-        }
-
-        inline void drain();
-        void compact();
-
-        ~MarkStack()
-        {
-            ASSERT(m_markSets.isEmpty());
-            ASSERT(m_values.isEmpty());
-        }
-
-    private:
-        void markChildren(JSCell*);
-
-        struct MarkSet {
-            MarkSet(JSValue* values, JSValue* end, MarkSetProperties properties)
-                : m_values(values)
-                , m_end(end)
-                , m_properties(properties)
-            {
-                ASSERT(values);
-            }
-            JSValue* m_values;
-            JSValue* m_end;
-            MarkSetProperties m_properties;
-        };
-
-        static void* allocateStack(size_t size);
-        static void releaseStack(void* addr, size_t size);
-
-        static void initializePagesize();
-        static size_t pageSize()
-        {
-            if (!s_pageSize)
-                initializePagesize();
-            return s_pageSize;
-        }
-
-        template <typename T> struct MarkStackArray {
-            MarkStackArray()
-                : m_top(0)
-                , m_allocated(MarkStack::pageSize())
-                , m_capacity(m_allocated / sizeof(T))
-            {
-                m_data = reinterpret_cast<T*>(allocateStack(m_allocated));
-            }
-
-            ~MarkStackArray()
-            {
-                releaseStack(m_data, m_allocated);
-            }
-
-            void expand()
-            {
-                size_t oldAllocation = m_allocated;
-                m_allocated *= 2;
-                m_capacity = m_allocated / sizeof(T);
-                void* newData = allocateStack(m_allocated);
-                memcpy(newData, m_data, oldAllocation);
-                releaseStack(m_data, oldAllocation);
-                m_data = reinterpret_cast<T*>(newData);
-            }
-
-            inline void append(const T& v)
-            {
-                if (m_top == m_capacity)
-                    expand();
-                m_data[m_top++] = v;
-            }
-
-            inline T removeLast()
-            {
-                ASSERT(m_top);
-                return m_data[--m_top];
-            }
-            
-            inline T& last()
-            {
-                ASSERT(m_top);
-                return m_data[m_top - 1];
-            }
-
-            inline bool isEmpty()
-            {
-                return m_top == 0;
-            }
-
-            inline size_t size() { return m_top; }
-
-            inline void shrinkAllocation(size_t size)
-            {
-                ASSERT(size <= m_allocated);
-                ASSERT(0 == (size % MarkStack::pageSize()));
-                if (size == m_allocated)
-                    return;
-#if OS(WINDOWS) || OS(SYMBIAN) || PLATFORM(BREWMP)
-                // We cannot release a part of a region with VirtualFree.  To get around this,
-                // we'll release the entire region and reallocate the size that we want.
-                releaseStack(m_data, m_allocated);
-                m_data = reinterpret_cast<T*>(allocateStack(size));
-#else
-                releaseStack(reinterpret_cast<char*>(m_data) + size, m_allocated - size);
-#endif
-                m_allocated = size;
-                m_capacity = m_allocated / sizeof(T);
-            }
-
-        private:
-            size_t m_top;
-            size_t m_allocated;
-            size_t m_capacity;
-            T* m_data;
-        };
-
-        void* m_jsArrayVPtr;
-        MarkStackArray<MarkSet> m_markSets;
-        MarkStackArray<JSCell*> m_values;
-        static size_t s_pageSize;
-
-#ifndef NDEBUG
-    public:
-        bool m_isCheckingForDefaultMarkViolation;
-#endif
-    };
-}
-
-#endif