Dictionary::SetEntry() and Dictionary::AddEntry() handlified.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/250913003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20981 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/elements.cc

@@ -1467,7 +1467,7 @@ class DictionaryElementsAccessor
       DisallowHeapAllocation no_gc;
       // Remove elements that should be deleted.
       int removed_entries = 0;
-      Object* the_hole_value = isolate->heap()->the_hole_value();
+      Handle<Object> the_hole_value = isolate->factory()->the_hole_value();
       for (int i = 0; i < capacity; i++) {
         Object* key = dict->KeyAt(i);
         if (key->IsNumber()) {

src/objects-inl.h

@@ -6586,16 +6586,16 @@ bool AccessorPair::prohibits_overwriting() {
 
 template<typename Derived, typename Shape, typename Key>
 void Dictionary<Derived, Shape, Key>::SetEntry(int entry,
-                                               Object* key,
-                                               Object* value) {
+                                               Handle<Object> key,
+                                               Handle<Object> value) {
   SetEntry(entry, key, value, PropertyDetails(Smi::FromInt(0)));
 }
 
 
 template<typename Derived, typename Shape, typename Key>
 void Dictionary<Derived, Shape, Key>::SetEntry(int entry,
-                                               Object* key,
-                                               Object* value,
+                                               Handle<Object> key,
+                                               Handle<Object> value,
                                                PropertyDetails details) {
   ASSERT(!key->IsName() ||
          details.IsDeleted() ||
@@ -6603,8 +6603,8 @@ void Dictionary<Derived, Shape, Key>::SetEntry(int entry,
   int index = DerivedHashTable::EntryToIndex(entry);
   DisallowHeapAllocation no_gc;
   WriteBarrierMode mode = FixedArray::GetWriteBarrierMode(no_gc);
-  FixedArray::set(index, key, mode);
-  FixedArray::set(index+1, value, mode);
+  FixedArray::set(index, *key, mode);
+  FixedArray::set(index+1, *value, mode);
   FixedArray::set(index+2, details.AsSmi());
 }
 
@@ -6705,7 +6705,7 @@ MaybeObject* ObjectHashTableShape::AsObject(Heap* heap, Object* key) {
 
 Handle<ObjectHashTable> ObjectHashTable::Shrink(
     Handle<ObjectHashTable> table, Handle<Object> key) {
-  return HashTable_::Shrink(table, *key);
+  return DerivedHashTable::Shrink(table, *key);
 }
 
 

src/objects.cc

@@ -692,7 +692,7 @@ void JSObject::SetNormalizedProperty(Handle<JSObject> object,
     // Please note we have to update the property details.
     property_dictionary->DetailsAtPut(entry, details);
   } else {
-    property_dictionary->SetEntry(entry, *name, *value, details);
+    property_dictionary->SetEntry(entry, name, value, details);
   }
 }
 
@@ -1932,7 +1932,7 @@ void JSObject::AddSlowProperty(Handle<JSObject> object,
       int index = dict->NextEnumerationIndex();
       PropertyDetails details = PropertyDetails(attributes, NORMAL, index);
       dict->SetNextEnumerationIndex(index + 1);
-      dict->SetEntry(entry, *name, *cell, details);
+      dict->SetEntry(entry, name, cell, details);
       return;
     }
     Handle<PropertyCell> cell = isolate->factory()->NewPropertyCell(value);
@@ -14980,18 +14980,6 @@ template Handle<NameDictionary>
 Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::
     EnsureCapacity(Handle<NameDictionary>, int, Handle<Name>);
 
-template MaybeObject*
-Dictionary<SeededNumberDictionary, SeededNumberDictionaryShape, uint32_t>::
-    AddEntry(uint32_t, Object*, PropertyDetails, uint32_t);
-
-template MaybeObject*
-Dictionary<UnseededNumberDictionary, UnseededNumberDictionaryShape, uint32_t>::
-    AddEntry(uint32_t, Object*, PropertyDetails, uint32_t);
-
-template MaybeObject*
-Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::AddEntry(
-    Handle<Name>, Object*, PropertyDetails, uint32_t);
-
 template
 int Dictionary<SeededNumberDictionary, SeededNumberDictionaryShape, uint32_t>::
     NumberOfEnumElements();
@@ -15840,8 +15828,9 @@ Handle<Object> Dictionary<Derived, Shape, Key>::DeleteProperty(
   if (details.IsDontDelete() && mode != JSReceiver::FORCE_DELETION) {
     return factory->false_value();
   }
+
   dictionary->SetEntry(
-      entry, *factory->the_hole_value(), *factory->the_hole_value());
+      entry, factory->the_hole_value(), factory->the_hole_value());
   dictionary->ElementRemoved();
   return factory->true_value();
 }
@@ -15866,7 +15855,8 @@ Handle<Derived> Dictionary<Derived, Shape, Key>::AtPut(
   USE(k);
   PropertyDetails details = PropertyDetails(NONE, NORMAL, 0);
 
-  return AddEntry(dictionary, key, value, details, dictionary->Hash(key));
+  AddEntry(dictionary, key, value, details, dictionary->Hash(key));
+  return dictionary;
 }
 
 
@@ -15881,52 +15871,37 @@ Handle<Derived> Dictionary<Derived, Shape, Key>::Add(
   // Check whether the dictionary should be extended.
   dictionary = EnsureCapacity(dictionary, 1, key);
 
-  return AddEntry(dictionary, key, value, details, dictionary->Hash(key));
+  AddEntry(dictionary, key, value, details, dictionary->Hash(key));
+  return dictionary;
 }
 
 
 // Add a key, value pair to the dictionary.
 template<typename Derived, typename Shape, typename Key>
-Handle<Derived> Dictionary<Derived, Shape, Key>::AddEntry(
+void Dictionary<Derived, Shape, Key>::AddEntry(
     Handle<Derived> dictionary,
     Key key,
     Handle<Object> value,
     PropertyDetails details,
     uint32_t hash) {
-  CALL_HEAP_FUNCTION(
-      dictionary->GetIsolate(),
-      dictionary->AddEntry(key, *value, details, hash),
-      Derived);
-}
-
-template<typename Derived, typename Shape, typename Key>
-MaybeObject* Dictionary<Derived, Shape, Key>::AddEntry(
-    Key key,
-    Object* value,
-    PropertyDetails details,
-    uint32_t hash) {
   // Compute the key object.
-  Object* k;
-  { MaybeObject* maybe_k = Shape::AsObject(this->GetHeap(), key);
-    if (!maybe_k->ToObject(&k)) return maybe_k;
-  }
+  Handle<Object> k = Shape::AsHandle(dictionary->GetIsolate(), key);
 
-  uint32_t entry = Dictionary::FindInsertionEntry(hash);
+  uint32_t entry = dictionary->FindInsertionEntry(hash);
   // Insert element at empty or deleted entry
   if (!details.IsDeleted() &&
       details.dictionary_index() == 0 &&
       Shape::kIsEnumerable) {
     // Assign an enumeration index to the property and update
     // SetNextEnumerationIndex.
-    int index = NextEnumerationIndex();
+    int index = dictionary->NextEnumerationIndex();
     details = PropertyDetails(details.attributes(), details.type(), index);
-    SetNextEnumerationIndex(index + 1);
+    dictionary->SetNextEnumerationIndex(index + 1);
   }
-  SetEntry(entry, k, value, details);
-  ASSERT((Dictionary::KeyAt(entry)->IsNumber() ||
-          Dictionary::KeyAt(entry)->IsName()));
-  DerivedHashTable::ElementAdded();
-  return this;
+  dictionary->SetEntry(entry, k, value, details);
+  ASSERT((dictionary->KeyAt(entry)->IsNumber() ||
+          dictionary->KeyAt(entry)->IsName()));
+  dictionary->ElementAdded();
 }
 
 
@@ -16002,7 +15977,7 @@ Handle<SeededNumberDictionary> SeededNumberDictionary::Set(
                             dictionary->DetailsAt(entry).dictionary_index());
   Handle<Object> object_key =
       SeededNumberDictionaryShape::AsHandle(dictionary->GetIsolate(), key);
-  dictionary->SetEntry(entry, *object_key, *value, details);
+  dictionary->SetEntry(entry, object_key, value, details);
   return dictionary;
 }
 
@@ -16015,7 +15990,7 @@ Handle<UnseededNumberDictionary> UnseededNumberDictionary::Set(
   if (entry == kNotFound) return AddNumberEntry(dictionary, key, value);
   Handle<Object> object_key =
       UnseededNumberDictionaryShape::AsHandle(dictionary->GetIsolate(), key);
-  dictionary->SetEntry(entry, *object_key, *value);
+  dictionary->SetEntry(entry, object_key, value);
   return dictionary;
 }
 

src/objects.h

@@ -3822,7 +3822,7 @@ class HashTable: public FixedArray {
   }
 
   // Attempt to shrink hash table after removal of key.
-  static Handle<Derived> Shrink(Handle<Derived> table, Key key);
+  MUST_USE_RESULT static Handle<Derived> Shrink(Handle<Derived> table, Key key);
 
   // Ensure enough space for n additional elements.
   MUST_USE_RESULT static Handle<Derived> EnsureCapacity(
@@ -3998,7 +3998,9 @@ class Dictionary: public HashTable<Derived, Shape, Key> {
       JSObject::DeleteMode mode);
 
   // Attempt to shrink the dictionary after deletion of key.
-  static inline Handle<Derived> Shrink(Handle<Derived> dictionary, Key key) {
+  MUST_USE_RESULT static inline Handle<Derived> Shrink(
+      Handle<Derived> dictionary,
+      Key key) {
     return DerivedHashTable::Shrink(dictionary, key);
   }
 
@@ -4047,11 +4049,11 @@ class Dictionary: public HashTable<Derived, Shape, Key> {
 
   // Sets the entry to (key, value) pair.
   inline void SetEntry(int entry,
-                       Object* key,
-                       Object* value);
+                       Handle<Object> key,
+                       Handle<Object> value);
   inline void SetEntry(int entry,
-                       Object* key,
-                       Object* value,
+                       Handle<Object> key,
+                       Handle<Object> value,
                        PropertyDetails details);
 
   MUST_USE_RESULT static Handle<Derived> Add(
@@ -4068,11 +4070,7 @@ class Dictionary: public HashTable<Derived, Shape, Key> {
       Handle<Object> value);
 
   // Add entry to dictionary.
-  MUST_USE_RESULT MaybeObject* AddEntry(Key key,
-                                        Object* value,
-                                        PropertyDetails details,
-                                        uint32_t hash);
-  MUST_USE_RESULT static Handle<Derived> AddEntry(
+  static void AddEntry(
       Handle<Derived> dictionary,
       Key key,
       Handle<Object> value,
@@ -4256,7 +4254,8 @@ class ObjectHashTableShape : public BaseShape<Object*> {
 class ObjectHashTable: public HashTable<ObjectHashTable,
                                         ObjectHashTableShape,
                                         Object*> {
-  typedef HashTable<ObjectHashTable, ObjectHashTableShape, Object*> HashTable_;
+  typedef HashTable<
+      ObjectHashTable, ObjectHashTableShape, Object*> DerivedHashTable;
  public:
   static inline ObjectHashTable* cast(Object* obj) {
     ASSERT(obj->IsHashTable());
@@ -4264,8 +4263,9 @@ class ObjectHashTable: public HashTable<ObjectHashTable,
   }
 
   // Attempt to shrink hash table after removal of key.
-  static inline Handle<ObjectHashTable> Shrink(Handle<ObjectHashTable> table,
-                                               Handle<Object> key);
+  MUST_USE_RESULT static inline Handle<ObjectHashTable> Shrink(
+      Handle<ObjectHashTable> table,
+      Handle<Object> key);
 
   // Looks up the value associated with the given key. The hole value is
   // returned in case the key is not present.