From 284837daa07b29d6a63a748544a90b1f5842ac5c Mon Sep 17 00:00:00 2001
From: Simon Hausmann <simon.hausmann@nokia.com>
Date: Mon, 10 Sep 2012 19:10:20 +0200
Subject: Imported WebKit commit 68645295d2e3e09af2c942f092556f06aa5f8b0d
 (http://svn.webkit.org/repository/webkit/trunk@128073)

New snapshot
---
 Source/JavaScriptCore/runtime/JSVariableObject.h | 51 ++++++++----------------
 1 file changed, 16 insertions(+), 35 deletions(-)

(limited to 'Source/JavaScriptCore/runtime/JSVariableObject.h')

diff --git a/Source/JavaScriptCore/runtime/JSVariableObject.h b/Source/JavaScriptCore/runtime/JSVariableObject.h
index 2f0dd42e5..c9f989e68 100644
--- a/Source/JavaScriptCore/runtime/JSVariableObject.h
+++ b/Source/JavaScriptCore/runtime/JSVariableObject.h
@@ -48,53 +48,34 @@ namespace JSC {
     public:
         typedef JSSymbolTableObject Base;
 
-        WriteBarrier<Unknown>& registerAt(int index) const { return m_registers[index]; }
+        WriteBarrierBase<Unknown>& registerAt(int index) const { return m_registers[index]; }
 
-        WriteBarrier<Unknown>* const * addressOfRegisters() const { return &m_registers; }
+        WriteBarrierBase<Unknown>* const * addressOfRegisters() const { return &m_registers; }
         static size_t offsetOfRegisters() { return OBJECT_OFFSETOF(JSVariableObject, m_registers); }
 
-        JS_EXPORT_PRIVATE static void destroy(JSCell*);
-
     protected:
-        static const unsigned StructureFlags = JSSymbolTableObject::StructureFlags;
-
-        JSVariableObject(JSGlobalData& globalData, Structure* structure, SymbolTable* symbolTable, Register* registers)
-            : JSSymbolTableObject(globalData, structure, symbolTable)
-            , m_registers(reinterpret_cast<WriteBarrier<Unknown>*>(registers))
+        static const unsigned StructureFlags = Base::StructureFlags;
+
+        JSVariableObject(
+            JSGlobalData& globalData,
+            Structure* structure,
+            Register* registers,
+            JSScope* scope
+        )
+            : Base(globalData, structure, scope)
+            , m_registers(reinterpret_cast<WriteBarrierBase<Unknown>*>(registers))
         {
         }
 
-        void finishCreation(JSGlobalData& globalData)
+        void finishCreation(JSGlobalData& globalData, SharedSymbolTable* symbolTable = 0)
         {
-            Base::finishCreation(globalData);
-            COMPILE_ASSERT(sizeof(WriteBarrier<Unknown>) == sizeof(Register), Register_should_be_same_size_as_WriteBarrier);
+            Base::finishCreation(globalData, symbolTable);
+            COMPILE_ASSERT(sizeof(WriteBarrierBase<Unknown>) == sizeof(Register), Register_should_be_same_size_as_WriteBarrierBase);
         }
 
-        PassOwnArrayPtr<WriteBarrier<Unknown> > copyRegisterArray(JSGlobalData&, WriteBarrier<Unknown>* src, size_t count, size_t callframeStarts);
-        void setRegisters(WriteBarrier<Unknown>* registers, PassOwnArrayPtr<WriteBarrier<Unknown> > registerArray);
-
-        WriteBarrier<Unknown>* m_registers; // "r" in the register file.
-        OwnArrayPtr<WriteBarrier<Unknown> > m_registerArray; // Independent copy of registers, used when a variable object copies its registers out of the register file.
+        WriteBarrierBase<Unknown>* m_registers; // "r" in the register file.
     };
 
-    inline PassOwnArrayPtr<WriteBarrier<Unknown> > JSVariableObject::copyRegisterArray(JSGlobalData& globalData, WriteBarrier<Unknown>* src, size_t count, size_t callframeStarts)
-    {
-        OwnArrayPtr<WriteBarrier<Unknown> > registerArray = adoptArrayPtr(new WriteBarrier<Unknown>[count]);
-        for (size_t i = 0; i < callframeStarts; i++)
-            registerArray[i].set(globalData, this, src[i].get());
-        for (size_t i = callframeStarts + RegisterFile::CallFrameHeaderSize; i < count; i++)
-            registerArray[i].set(globalData, this, src[i].get());
-
-        return registerArray.release();
-    }
-
-    inline void JSVariableObject::setRegisters(WriteBarrier<Unknown>* registers, PassOwnArrayPtr<WriteBarrier<Unknown> > registerArray)
-    {
-        ASSERT(registerArray != m_registerArray);
-        m_registerArray = registerArray;
-        m_registers = registers;
-    }
-
 } // namespace JSC
 
 #endif // JSVariableObject_h
-- 
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