1 files changed, 8 insertions, 16 deletions
diff --git a/Source/JavaScriptCore/runtime/SparseArrayValueMap.h b/Source/JavaScriptCore/runtime/SparseArrayValueMap.h
index 113beb350..1c7dcb256 100644
--- a/Source/JavaScriptCore/runtime/SparseArrayValueMap.h
+++ b/Source/JavaScriptCore/runtime/SparseArrayValueMap.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
+ * Copyright (C) 2011-2016 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -23,8 +23,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
-#ifndef SparseArrayValueMap_h
-#define SparseArrayValueMap_h
+#pragma once
 
 #include "JSCell.h"
 #include "JSTypeInfo.h"
@@ -32,7 +31,6 @@
 #include "PutDirectIndexMode.h"
 #include "WriteBarrier.h"
 #include <wtf/HashMap.h>
-#include <wtf/Platform.h>
 
 namespace JSC {
 
@@ -43,18 +41,18 @@ struct SparseArrayEntry : public WriteBarrier<Unknown> {
 
     SparseArrayEntry() : attributes(0) { }
 
-    JSValue get(ExecState*, JSObject*) const;
     void get(JSObject*, PropertySlot&) const;
     void get(PropertyDescriptor&) const;
-    void put(ExecState*, JSValue thisValue, SparseArrayValueMap*, JSValue, bool shouldThrow);
+    bool put(ExecState*, JSValue thisValue, SparseArrayValueMap*, JSValue, bool shouldThrow);
     JSValue getNonSparseMode() const;
 
     unsigned attributes;
 };
 
-class SparseArrayValueMap : public JSCell {
+class SparseArrayValueMap final : public JSCell {
 public:
     typedef JSCell Base;
+    static const unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal;
     
 private:
     typedef HashMap<uint64_t, SparseArrayEntry, WTF::IntHash<uint64_t>, WTF::UnsignedWithZeroKeyHashTraits<uint64_t>> Map;
@@ -70,8 +68,6 @@ private:
     
     void finishCreation(VM&);
 
-    static const unsigned StructureFlags = OverridesVisitChildren | JSCell::StructureFlags;
-
 public:
     DECLARE_EXPORT_INFO;
     
@@ -82,7 +78,6 @@ public:
     static SparseArrayValueMap* create(VM&);
     
     static const bool needsDestruction = true;
-    static const bool hasImmortalStructure = true;
     static void destroy(JSCell*);
     
     static Structure* createStructure(VM&, JSGlobalObject*, JSValue prototype);
@@ -110,13 +105,13 @@ public:
     }
 
     // These methods may mutate the contents of the map
-    void putEntry(ExecState*, JSObject*, unsigned, JSValue, bool shouldThrow);
+    bool putEntry(ExecState*, JSObject*, unsigned, JSValue, bool shouldThrow);
     bool putDirect(ExecState*, JSObject*, unsigned, JSValue, unsigned attributes, PutDirectIndexMode);
     AddResult add(JSObject*, unsigned);
     iterator find(unsigned i) { return m_map.find(i); }
     // This should ASSERT the remove is valid (check the result of the find).
-    void remove(iterator it) { m_map.remove(it); }
-    void remove(unsigned i) { m_map.remove(i); }
+    void remove(iterator it);
+    void remove(unsigned i);
 
     // These methods do not mutate the contents of the map.
     iterator notFound() { return m_map.end(); }
@@ -134,6 +129,3 @@ private:
 };
 
 } // namespace JSC
-
-#endif // SparseArrayValueMap_h
-