webkitgtk-2.4.11webkitgtk-2.4.11

1 files changed, 0 insertions, 187 deletions

diff --git a/Source/JavaScriptCore/dfg/DFGLazyNode.h b/Source/JavaScriptCore/dfg/DFGLazyNode.h
deleted file mode 100644
index ffd572f85..000000000
--- a/Source/JavaScriptCore/dfg/DFGLazyNode.h
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * Copyright (C) 2015 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 DFGLazyNode_h
-#define DFGLazyNode_h
-
-#if ENABLE(DFG_JIT)
-
-#include "DFGCommon.h"
-#include "DFGInsertionSet.h"
-#include <wtf/PrintStream.h>
-
-namespace JSC { namespace DFG {
-
-class LazyNode {
-public:
-    static const size_t jsConstantTag = 0;
-    static const size_t doubleConstantTag = 1;
-    static const size_t int52ConstantTag = 2;
-
-    static const uintptr_t tagMask = 0x3;
-    static const uintptr_t pointerMask = ~tagMask;
-
-    explicit LazyNode(Node* node = nullptr)
-        : m_node(node)
-        , m_value(reinterpret_cast<uintptr_t>(nullptr))
-    {
-        if (node && node->isConstant())
-            setFrozenValue(node->constant(), node->op());
-    }
-
-    explicit LazyNode(FrozenValue* value, NodeType op = JSConstant)
-        : m_node(nullptr)
-        , m_value(reinterpret_cast<uintptr_t>(nullptr))
-    {
-        setFrozenValue(value, op);
-    }
-
-    LazyNode(std::nullptr_t)
-        : m_node(nullptr)
-        , m_value(reinterpret_cast<uintptr_t>(nullptr))
-    {
-    }
-
-    LazyNode(WTF::HashTableDeletedValueType)
-        : m_node(reinterpret_cast<Node*>(-1))
-    {
-    }
-
-    void setNode(Node* node)
-    {
-        m_node = node;
-        if (node && node->isConstant())
-            setFrozenValue(node->constant(), node->op());
-    }
-
-    bool isHashTableDeletedValue() const { return m_node == reinterpret_cast<Node*>(-1); }
-
-    bool isNode() const { return m_node; }
-
-    NodeType op() const
-    {
-        if (m_node)
-            return m_node->op();
-
-        switch (m_value & tagMask) {
-        case jsConstantTag:
-            return JSConstant;
-        case doubleConstantTag:
-            return DoubleConstant;
-        case int52ConstantTag:
-            return Int52Constant;
-        default:
-            RELEASE_ASSERT_NOT_REACHED();
-        }
-    }
-
-    Node* asNode() const
-    {
-        ASSERT(m_node || !asValue());
-        return m_node;
-    }
-
-    FrozenValue* asValue() const
-    {
-        return reinterpret_cast<FrozenValue*>(m_value & pointerMask);
-    }
-
-    unsigned hash() const
-    {
-        if (asValue())
-            return WTF::PtrHash<FrozenValue*>::hash(asValue());
-        return WTF::PtrHash<Node*>::hash(m_node);
-    }
-
-    bool operator==(const LazyNode& other) const
-    {
-        if (asValue() || other.asValue())
-            return m_value == other.m_value;
-        return m_node == other.m_node;
-    }
-
-    bool operator!=(const LazyNode& other) const
-    {
-        return !(*this == other);
-    }
-
-    Node* ensureIsNode(InsertionSet& insertionSet, BasicBlock* block, unsigned nodeIndex)
-    {
-        if (!m_node)
-            m_node = insertionSet.insertConstant(nodeIndex, block->at(nodeIndex)->origin, asValue(), op());
-
-        return asNode();
-    }
-
-    Node* operator->() const { return asNode(); }
-
-    Node& operator*() const { return *asNode(); }
-
-    bool operator!() const { return !asValue() && !asNode(); }
-
-    explicit operator bool() const { return !!*this; }
-
-    void dump(PrintStream& out) const;
-
-private:
-    void setFrozenValue(FrozenValue* value, NodeType op)
-    {
-        ASSERT(value);
-        m_value = reinterpret_cast<uintptr_t>(value);
-        ASSERT(m_value == (m_value & pointerMask));
-        switch (op) {
-        case JSConstant:
-            m_value |= jsConstantTag;
-            break;
-        case DoubleConstant:
-            m_value |= doubleConstantTag;
-            break;
-        case Int52Constant:
-            m_value |= int52ConstantTag;
-            break;
-        default:
-            RELEASE_ASSERT_NOT_REACHED();
-            break;
-        }
-    }
-
-    Node* m_node;
-    uintptr_t m_value;
-};
-
-} } // namespace JSC::DFG
-
-namespace WTF {
-
-template<typename T> struct HashTraits;
-template<> struct HashTraits<JSC::DFG::LazyNode> : SimpleClassHashTraits<JSC::DFG::LazyNode> {
-    static const bool emptyValueIsZero = true;
-};
-
-} // namespace WTF
-
-#endif // ENABLE(DFG_JIT)
-
-#endif // DFGLazyNode_h