JavaScriptCore-1218.tar.gz

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

diff --git a/runtime/ScopeChain.h b/runtime/ScopeChain.h
deleted file mode 100644 (file)
index c382008..0000000
--- a/runtime/ScopeChain.h
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- *  Copyright (C) 2003, 2008, 2009 Apple Inc. All rights reserved.
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Library General Public
- *  License as published by the Free Software Foundation; either
- *  version 2 of the License, or (at your option) any later version.
- *
- *  This library is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  Library General Public License for more details.
- *
- *  You should have received a copy of the GNU Library General Public License
- *  along with this library; see the file COPYING.LIB.  If not, write to
- *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- *  Boston, MA 02110-1301, USA.
- *
- */
-
-#ifndef ScopeChain_h
-#define ScopeChain_h
-
-#include "JSCell.h"
-#include "Structure.h"
-#include <wtf/FastAllocBase.h>
-
-namespace JSC {
-
-    class JSGlobalData;
-    class JSGlobalObject;
-    class JSObject;
-    class LLIntOffsetsExtractor;
-    class ScopeChainIterator;
-    class SlotVisitor;
-    
-    class ScopeChainNode : public JSCell {
-    private:
-        ScopeChainNode(ScopeChainNode* next, JSObject* object, JSGlobalData* globalData, JSGlobalObject* globalObject, JSObject* globalThis)
-            : JSCell(*globalData, globalData->scopeChainNodeStructure.get())
-            , globalData(globalData)
-            , next(*globalData, this, next, WriteBarrier<ScopeChainNode>::MayBeNull)
-            , object(*globalData, this, object)
-            , globalObject(*globalData, this, globalObject)
-            , globalThis(*globalData, this, globalThis)
-        {
-        }
-
-    protected:
-        void finishCreation(JSGlobalData* globalData, JSGlobalObject* globalObject)
-        {
-            Base::finishCreation(*globalData);
-            ASSERT_UNUSED(globalObject, globalObject);
-        }
-
-    public:
-        typedef JSCell Base;
-
-        static ScopeChainNode* create(ExecState* exec, ScopeChainNode* next, JSObject* object, JSGlobalData* globalData, JSGlobalObject* globalObject, JSObject* globalThis)
-        {
-            ScopeChainNode* node = new (NotNull, allocateCell<ScopeChainNode>(*exec->heap())) ScopeChainNode(next, object, globalData, globalObject, globalThis);
-            node->finishCreation(globalData, globalObject);
-            return node;
-        }
-        static ScopeChainNode* create(ScopeChainNode* next, JSObject* object, JSGlobalData* globalData, JSGlobalObject* globalObject, JSObject* globalThis)
-        {
-            ScopeChainNode* node = new (NotNull, allocateCell<ScopeChainNode>(globalData->heap)) ScopeChainNode(next, object, globalData, globalObject, globalThis);
-            node->finishCreation(globalData, globalObject);
-            return node;
-        }
-        
-        JSGlobalData* globalData;
-        WriteBarrier<ScopeChainNode> next;
-        WriteBarrier<JSObject> object;
-        WriteBarrier<JSGlobalObject> globalObject;
-        WriteBarrier<JSObject> globalThis;
-
-        ScopeChainNode* push(JSObject*);
-        ScopeChainNode* pop();
-
-        ScopeChainIterator begin();
-        ScopeChainIterator end();
-
-        int localDepth();
-
-#ifndef NDEBUG        
-        void print();
-#endif
-        
-        static Structure* createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue proto) { return Structure::create(globalData, globalObject, proto, TypeInfo(CompoundType, StructureFlags), &s_info); }
-        static void visitChildren(JSCell*, SlotVisitor&);
-        static JS_EXPORTDATA const ClassInfo s_info;
-
-    private:
-        friend class LLIntOffsetsExtractor;
-        
-        static const unsigned StructureFlags = OverridesVisitChildren;
-    };
-
-    inline ScopeChainNode* ScopeChainNode::push(JSObject* o)
-    {
-        ASSERT(o);
-        return ScopeChainNode::create(this, o, globalData, globalObject.get(), globalThis.get());
-    }
-
-    inline ScopeChainNode* ScopeChainNode::pop()
-    {
-        ASSERT(next);
-        return next.get();
-    }
-
-    class ScopeChainIterator {
-    public:
-        ScopeChainIterator(ScopeChainNode* node)
-            : m_node(node)
-        {
-        }
-
-        WriteBarrier<JSObject> const & operator*() const { return m_node->object; }
-        WriteBarrier<JSObject> const * operator->() const { return &(operator*()); }
-    
-        ScopeChainIterator& operator++() { m_node = m_node->next.get(); return *this; }
-
-        // postfix ++ intentionally omitted
-
-        bool operator==(const ScopeChainIterator& other) const { return m_node == other.m_node; }
-        bool operator!=(const ScopeChainIterator& other) const { return m_node != other.m_node; }
-
-    private:
-        ScopeChainNode* m_node;
-    };
-
-    inline ScopeChainIterator ScopeChainNode::begin()
-    {
-        return ScopeChainIterator(this); 
-    }
-
-    inline ScopeChainIterator ScopeChainNode::end()
-    { 
-        return ScopeChainIterator(0); 
-    }
-
-    ALWAYS_INLINE JSGlobalData& ExecState::globalData() const
-    {
-        ASSERT(scopeChain()->globalData);
-        return *scopeChain()->globalData;
-    }
-
-    ALWAYS_INLINE JSGlobalObject* ExecState::lexicalGlobalObject() const
-    {
-        return scopeChain()->globalObject.get();
-    }
-    
-    ALWAYS_INLINE JSObject* ExecState::globalThisValue() const
-    {
-        return scopeChain()->globalThis.get();
-    }
-    
-    ALWAYS_INLINE ScopeChainNode* Register::scopeChain() const
-    {
-        return static_cast<ScopeChainNode*>(jsValue().asCell());
-    }
-    
-    ALWAYS_INLINE Register& Register::operator=(ScopeChainNode* scopeChain)
-    {
-        *this = JSValue(scopeChain);
-        return *this;
-    }
-
-} // namespace JSC
-
-#endif // ScopeChain_h