1 files changed, 0 insertions, 139 deletions
diff --git a/Source/JavaScriptCore/bytecode/PolymorphicAccessStructureList.h b/Source/JavaScriptCore/bytecode/PolymorphicAccessStructureList.h
deleted file mode 100644
index 61d97354f..000000000
--- a/Source/JavaScriptCore/bytecode/PolymorphicAccessStructureList.h
+++ /dev/null
@@ -1,139 +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. ``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 PolymorphicAccessStructureList_h
-#define PolymorphicAccessStructureList_h
-
-#include "JITStubRoutine.h"
-#include "Structure.h"
-#include "StructureChain.h"
-#include <wtf/Platform.h>
-
-#define POLYMORPHIC_LIST_CACHE_SIZE 8
-
-namespace JSC {
-
-// *Sigh*, If the JIT is enabled we need to track the stubRountine (of type CodeLocationLabel),
-// If the JIT is not in use we don't actually need the variable (that said, if the JIT is not in use we don't
-// curently actually use PolymorphicAccessStructureLists, which we should).  Anyway, this seems like the best
-// solution for now - will need to something smarter if/when we actually want mixed-mode operation.
-
-#if ENABLE(JIT)
-// Structure used by op_get_by_id_self_list and op_get_by_id_proto_list instruction to hold data off the main opcode stream.
-struct PolymorphicAccessStructureList {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    struct PolymorphicStubInfo {
-        bool isChain;
-        bool isDirect;
-        RefPtr<JITStubRoutine> stubRoutine;
-        WriteBarrier<Structure> base;
-        union {
-            WriteBarrierBase<Structure> proto;
-            WriteBarrierBase<StructureChain> chain;
-        } u;
-
-        PolymorphicStubInfo()
-        {
-            u.proto.clear();
-        }
-
-        void set(VM& vm, JSCell* owner, PassRefPtr<JITStubRoutine> _stubRoutine, Structure* _base, bool _isDirect)
-        {
-            stubRoutine = _stubRoutine;
-            base.set(vm, owner, _base);
-            u.proto.clear();
-            isChain = false;
-            isDirect = _isDirect;
-        }
-            
-        void set(VM& vm, JSCell* owner, PassRefPtr<JITStubRoutine> _stubRoutine, Structure* _base, Structure* _proto, bool _isDirect)
-        {
-            stubRoutine = _stubRoutine;
-            base.set(vm, owner, _base);
-            u.proto.set(vm, owner, _proto);
-            isChain = false;
-            isDirect = _isDirect;
-        }
-            
-        void set(VM& vm, JSCell* owner, PassRefPtr<JITStubRoutine> _stubRoutine, Structure* _base, StructureChain* _chain, bool _isDirect)
-        {
-            stubRoutine = _stubRoutine;
-            base.set(vm, owner, _base);
-            u.chain.set(vm, owner, _chain);
-            isChain = true;
-            isDirect = _isDirect;
-        }
-    } list[POLYMORPHIC_LIST_CACHE_SIZE];
-        
-    PolymorphicAccessStructureList()
-    {
-    }
-        
-    PolymorphicAccessStructureList(VM& vm, JSCell* owner, PassRefPtr<JITStubRoutine> stubRoutine, Structure* firstBase, bool isDirect)
-    {
-        list[0].set(vm, owner, stubRoutine, firstBase, isDirect);
-    }
-
-    PolymorphicAccessStructureList(VM& vm, JSCell* owner, PassRefPtr<JITStubRoutine> stubRoutine, Structure* firstBase, Structure* firstProto, bool isDirect)
-    {
-        list[0].set(vm, owner, stubRoutine, firstBase, firstProto, isDirect);
-    }
-
-    PolymorphicAccessStructureList(VM& vm, JSCell* owner, PassRefPtr<JITStubRoutine> stubRoutine, Structure* firstBase, StructureChain* firstChain, bool isDirect)
-    {
-        list[0].set(vm, owner, stubRoutine, firstBase, firstChain, isDirect);
-    }
-
-    bool visitWeak(int count)
-    {
-        for (int i = 0; i < count; ++i) {
-            PolymorphicStubInfo& info = list[i];
-            if (!info.base) {
-                // We're being marked during initialisation of an entry
-                ASSERT(!info.u.proto);
-                continue;
-            }
-                
-            if (!Heap::isMarked(info.base.get()))
-                return false;
-            if (info.u.proto && !info.isChain
-                && !Heap::isMarked(info.u.proto.get()))
-                return false;
-            if (info.u.chain && info.isChain
-                && !Heap::isMarked(info.u.chain.get()))
-                return false;
-        }
-            
-        return true;
-    }
-};
-
-#endif // ENABLE(JIT)
-
-} // namespace JSC
-
-#endif // PolymorphicAccessStructureList_h
-