From: ishell@chromium.org <ishell@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Date: Thu, 24 Apr 2014 14:59:09 +0000 (+0000)
Subject: NameDictionary's key type is now Handle<Name> instead of Name*.
X-Git-Tag: upstream/4.7.83~9446
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cb46971aa392e5f6073733e7333ee1efba490179;p=platform%2Fupstream%2Fv8.git

NameDictionary's key type is now Handle<Name> instead of Name*.

R=yangguo@chromium.org

Review URL: https://codereview.chromium.org/252383006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@20947 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
---

diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index 250b27d..e7d9368 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -893,7 +893,7 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
         name = factory()->InternalizeString(Handle<String>::cast(name));
       }
       ASSERT(current.is_null() ||
-             current->property_dictionary()->FindEntry(*name) ==
+             current->property_dictionary()->FindEntry(name) ==
              NameDictionary::kNotFound);
 
       GenerateDictionaryNegativeLookup(masm(), miss, reg, name,
diff --git a/src/arm64/stub-cache-arm64.cc b/src/arm64/stub-cache-arm64.cc
index f6efccd..66f7303 100644
--- a/src/arm64/stub-cache-arm64.cc
+++ b/src/arm64/stub-cache-arm64.cc
@@ -844,7 +844,7 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
         name = factory()->InternalizeString(Handle<String>::cast(name));
       }
       ASSERT(current.is_null() ||
-             (current->property_dictionary()->FindEntry(*name) ==
+             (current->property_dictionary()->FindEntry(name) ==
               NameDictionary::kNotFound));
 
       GenerateDictionaryNegativeLookup(masm(), miss, reg, name,
diff --git a/src/ia32/stub-cache-ia32.cc b/src/ia32/stub-cache-ia32.cc
index 49a40da..45d9b93 100644
--- a/src/ia32/stub-cache-ia32.cc
+++ b/src/ia32/stub-cache-ia32.cc
@@ -878,7 +878,7 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
         name = factory()->InternalizeString(Handle<String>::cast(name));
       }
       ASSERT(current.is_null() ||
-             current->property_dictionary()->FindEntry(*name) ==
+             current->property_dictionary()->FindEntry(name) ==
              NameDictionary::kNotFound);
 
       GenerateDictionaryNegativeLookup(masm(), miss, reg, name,
diff --git a/src/mips/stub-cache-mips.cc b/src/mips/stub-cache-mips.cc
index db926b3..f09eb57 100644
--- a/src/mips/stub-cache-mips.cc
+++ b/src/mips/stub-cache-mips.cc
@@ -885,7 +885,7 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
         name = factory()->InternalizeString(Handle<String>::cast(name));
       }
       ASSERT(current.is_null() ||
-             current->property_dictionary()->FindEntry(*name) ==
+             current->property_dictionary()->FindEntry(name) ==
              NameDictionary::kNotFound);
 
       GenerateDictionaryNegativeLookup(masm(), miss, reg, name,
diff --git a/src/objects-inl.h b/src/objects-inl.h
index bc20132..741621e 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -6648,7 +6648,7 @@ Handle<Object> NumberDictionaryShape::AsHandle(Isolate* isolate, uint32_t key) {
 }
 
 
-bool NameDictionaryShape::IsMatch(Name* key, Object* other) {
+bool NameDictionaryShape::IsMatch(Handle<Name> key, Object* other) {
   // We know that all entries in a hash table had their hash keys created.
   // Use that knowledge to have fast failure.
   if (key->Hash() != Name::cast(other)->Hash()) return false;
@@ -6656,26 +6656,26 @@ bool NameDictionaryShape::IsMatch(Name* key, Object* other) {
 }
 
 
-uint32_t NameDictionaryShape::Hash(Name* key) {
+uint32_t NameDictionaryShape::Hash(Handle<Name> key) {
   return key->Hash();
 }
 
 
-uint32_t NameDictionaryShape::HashForObject(Name* key, Object* other) {
+uint32_t NameDictionaryShape::HashForObject(Handle<Name> key, Object* other) {
   return Name::cast(other)->Hash();
 }
 
 
-MaybeObject* NameDictionaryShape::AsObject(Heap* heap, Name* key) {
+MaybeObject* NameDictionaryShape::AsObject(Heap* heap, Handle<Name> key) {
   ASSERT(key->IsUniqueName());
-  return key;
+  return *key;
 }
 
 
-Handle<Object> NameDictionaryShape::AsHandle(Isolate* isolate, Name* key) {
+Handle<Object> NameDictionaryShape::AsHandle(Isolate* isolate,
+                                             Handle<Name> key) {
   ASSERT(key->IsUniqueName());
-  // TODO(ishell): Convert Name* to Handle<Name> to avoid re-wrapping here.
-  return handle(key, isolate);
+  return key;
 }
 
 
diff --git a/src/objects.cc b/src/objects.cc
index a1c8a90..6cd0484 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -660,7 +660,7 @@ void JSObject::SetNormalizedProperty(Handle<JSObject> object,
         Handle<String>::cast(name));
   }
 
-  int entry = property_dictionary->FindEntry(*name);
+  int entry = property_dictionary->FindEntry(name);
   if (entry == NameDictionary::kNotFound) {
     Handle<Object> store_value = value;
     if (object->IsGlobalObject()) {
@@ -705,7 +705,7 @@ Handle<Object> JSObject::DeleteNormalizedProperty(Handle<JSObject> object,
   ASSERT(!object->HasFastProperties());
   Isolate* isolate = object->GetIsolate();
   Handle<NameDictionary> dictionary(object->property_dictionary());
-  int entry = dictionary->FindEntry(*name);
+  int entry = dictionary->FindEntry(name);
   if (entry != NameDictionary::kNotFound) {
     // If we have a global object set the cell to the hole.
     if (object->IsGlobalObject()) {
@@ -728,7 +728,7 @@ Handle<Object> JSObject::DeleteNormalizedProperty(Handle<JSObject> object,
       Handle<Object> deleted(dictionary->DeleteProperty(entry, mode), isolate);
       if (*deleted == isolate->heap()->true_value()) {
         Handle<NameDictionary> new_properties =
-            NameDictionary::Shrink(dictionary, *name);
+            NameDictionary::Shrink(dictionary, name);
         object->set_properties(*new_properties);
       }
       return deleted;
@@ -1924,7 +1924,7 @@ void JSObject::AddSlowProperty(Handle<JSObject> object,
   Handle<NameDictionary> dict(object->property_dictionary());
   if (object->IsGlobalObject()) {
     // In case name is an orphaned property reuse the cell.
-    int entry = dict->FindEntry(*name);
+    int entry = dict->FindEntry(name);
     if (entry != NameDictionary::kNotFound) {
       Handle<PropertyCell> cell(PropertyCell::cast(dict->ValueAt(entry)));
       PropertyCell::SetValueInferType(cell, value);
@@ -2054,7 +2054,7 @@ static void ReplaceSlowProperty(Handle<JSObject> object,
                                 Handle<Object> value,
                                 PropertyAttributes attributes) {
   NameDictionary* dictionary = object->property_dictionary();
-  int old_index = dictionary->FindEntry(*name);
+  int old_index = dictionary->FindEntry(name);
   int new_enumeration_index = 0;  // 0 means "Use the next available index."
   if (old_index != -1) {
     // All calls to ReplaceSlowProperty have had all transitions removed.
@@ -14627,8 +14627,17 @@ Handle<Derived> HashTable<Derived, Shape, Key>::New(
 }
 
 
-// Find entry for key otherwise return kNotFound.
+// TODO(ishell): Remove this when all the callers are handlified.
 int NameDictionary::FindEntry(Name* key) {
+  DisallowHeapAllocation no_allocation;
+  Isolate* isolate = key->GetIsolate();
+  HandleScope scope(isolate);
+  return FindEntry(handle(key, isolate));
+}
+
+
+// Find entry for key otherwise return kNotFound.
+int NameDictionary::FindEntry(Handle<Name> key) {
   if (!key->IsUniqueName()) {
     return DerivedHashTable::FindEntry(key);
   }
@@ -14651,16 +14660,16 @@ int NameDictionary::FindEntry(Name* key) {
     int index = EntryToIndex(entry);
     Object* element = get(index);
     if (element->IsUndefined()) break;  // Empty entry.
-    if (key == element) return entry;
+    if (*key == element) return entry;
     if (!element->IsUniqueName() &&
         !element->IsTheHole() &&
-        Name::cast(element)->Equals(key)) {
+        Name::cast(element)->Equals(*key)) {
       // Replace a key that is a non-internalized string by the equivalent
       // internalized string for faster further lookups.
-      set(index, key);
+      set(index, *key);
       return entry;
     }
-    ASSERT(element->IsTheHole() || !Name::cast(element)->Equals(key));
+    ASSERT(element->IsTheHole() || !Name::cast(element)->Equals(*key));
     entry = NextProbe(entry, count++, capacity);
   }
   return kNotFound;
@@ -14877,7 +14886,7 @@ template class HashTable<ObjectHashTable, ObjectHashTableShape, Object*>;
 
 template class HashTable<WeakHashTable, WeakHashTableShape<2>, Object*>;
 
-template class Dictionary<NameDictionary, NameDictionaryShape, Name*>;
+template class Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >;
 
 template class Dictionary<SeededNumberDictionary,
                           SeededNumberDictionaryShape,
@@ -14895,11 +14904,12 @@ template MaybeObject*
 Dictionary<UnseededNumberDictionary, UnseededNumberDictionaryShape, uint32_t>::
     Allocate(Heap* heap, int at_least_space_for, PretenureFlag pretenure);
 
-template MaybeObject* Dictionary<NameDictionary, NameDictionaryShape, Name*>::
+template MaybeObject*
+Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::
     Allocate(Heap* heap, int n, PretenureFlag pretenure);
 
 template Handle<NameDictionary>
-Dictionary<NameDictionary, NameDictionaryShape, Name*>::
+Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::
     New(Isolate* isolate, int n, PretenureFlag pretenure);
 
 template Handle<SeededNumberDictionary>
@@ -14919,8 +14929,8 @@ Dictionary<UnseededNumberDictionary, UnseededNumberDictionaryShape, uint32_t>::
     SlowReverseLookup(Object* value);
 
 template Object*
-Dictionary<NameDictionary, NameDictionaryShape, Name*>::SlowReverseLookup(
-    Object*);
+Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::
+    SlowReverseLookup(Object* value);
 
 template void
 Dictionary<SeededNumberDictionary, SeededNumberDictionaryShape, uint32_t>::
@@ -14932,12 +14942,12 @@ Dictionary<SeededNumberDictionary, SeededNumberDictionaryShape, uint32_t>::
                    uint32_t>::SortMode);
 
 template Object*
-Dictionary<NameDictionary, NameDictionaryShape, Name*>::DeleteProperty(
+Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::DeleteProperty(
     int, JSObject::DeleteMode);
 
 template Handle<Object>
-Dictionary<NameDictionary, NameDictionaryShape, Name*>::DeleteProperty(
-    Handle<Dictionary<NameDictionary, NameDictionaryShape, Name*> >,
+Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::DeleteProperty(
+    Handle<Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> > >,
     int,
     JSObject::DeleteMode);
 
@@ -14955,34 +14965,35 @@ Dictionary<SeededNumberDictionary, SeededNumberDictionaryShape, uint32_t>::
         JSObject::DeleteMode);
 
 template Handle<NameDictionary>
-HashTable<NameDictionary, NameDictionaryShape, Name*>::
+HashTable<NameDictionary, NameDictionaryShape, Handle<Name> >::
     New(Isolate*, int, MinimumCapacity, PretenureFlag);
 
 template Handle<NameDictionary>
-HashTable<NameDictionary, NameDictionaryShape, Name*>::
-    Shrink(Handle<NameDictionary>, Name* n);
+HashTable<NameDictionary, NameDictionaryShape, Handle<Name> >::
+    Shrink(Handle<NameDictionary>, Handle<Name>);
 
 template Handle<SeededNumberDictionary>
 HashTable<SeededNumberDictionary, SeededNumberDictionaryShape, uint32_t>::
     Shrink(Handle<SeededNumberDictionary>, uint32_t);
 
-template void Dictionary<NameDictionary, NameDictionaryShape, Name*>::
+template void Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::
     CopyKeysTo(
         FixedArray*,
         int,
         PropertyAttributes,
-        Dictionary<NameDictionary, NameDictionaryShape, Name*>::SortMode);
+        Dictionary<
+            NameDictionary, NameDictionaryShape, Handle<Name> >::SortMode);
 
 template int
-Dictionary<NameDictionary, NameDictionaryShape, Name*>::
+Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::
     NumberOfElementsFilterAttributes(PropertyAttributes);
 
 template MaybeObject*
-Dictionary<NameDictionary, NameDictionaryShape, Name*>::Add(
-    Name*, Object*, PropertyDetails);
+Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::Add(
+    Handle<Name>, Object*, PropertyDetails);
 
 template MaybeObject*
-Dictionary<NameDictionary, NameDictionaryShape, Name*>::
+Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::
     GenerateNewEnumerationIndices();
 
 template int
@@ -15006,8 +15017,8 @@ Dictionary<UnseededNumberDictionary, UnseededNumberDictionaryShape, uint32_t>::
     EnsureCapacity(int, uint32_t);
 
 template MaybeObject*
-Dictionary<NameDictionary, NameDictionaryShape, Name*>::
-    EnsureCapacity(int, Name*);
+Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::
+    EnsureCapacity(int, Handle<Name>);
 
 template MaybeObject*
 Dictionary<SeededNumberDictionary, SeededNumberDictionaryShape, uint32_t>::
@@ -15018,15 +15029,15 @@ Dictionary<UnseededNumberDictionary, UnseededNumberDictionaryShape, uint32_t>::
     AddEntry(uint32_t, Object*, PropertyDetails, uint32_t);
 
 template MaybeObject*
-Dictionary<NameDictionary, NameDictionaryShape, Name*>::AddEntry(
-    Name*, Object*, PropertyDetails, uint32_t);
+Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::AddEntry(
+    Handle<Name>, Object*, PropertyDetails, uint32_t);
 
 template
 int Dictionary<SeededNumberDictionary, SeededNumberDictionaryShape, uint32_t>::
     NumberOfEnumElements();
 
 template
-int Dictionary<NameDictionary, NameDictionaryShape, Name*>::
+int Dictionary<NameDictionary, NameDictionaryShape, Handle<Name> >::
     NumberOfEnumElements();
 
 template
@@ -15039,7 +15050,7 @@ Handle<NameDictionary> NameDictionary::AddNameEntry(Handle<NameDictionary> dict,
                                                     Handle<Object> value,
                                                     PropertyDetails details) {
   CALL_HEAP_FUNCTION(dict->GetIsolate(),
-                     dict->Add(*name, *value, details),
+                     dict->Add(name, *value, details),
                      NameDictionary);
 }
 
@@ -15477,7 +15488,7 @@ Handle<PropertyCell> JSGlobalObject::EnsurePropertyCell(
     Handle<JSGlobalObject> global,
     Handle<Name> name) {
   ASSERT(!global->HasFastProperties());
-  int entry = global->property_dictionary()->FindEntry(*name);
+  int entry = global->property_dictionary()->FindEntry(name);
   if (entry == NameDictionary::kNotFound) {
     Isolate* isolate = global->GetIsolate();
     Handle<PropertyCell> cell = isolate->factory()->NewPropertyCell(
diff --git a/src/objects.h b/src/objects.h
index 37eb139..5f695db 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -4119,14 +4119,14 @@ class Dictionary: public HashTable<Derived, Shape, Key> {
 };
 
 
-class NameDictionaryShape : public BaseShape<Name*> {
+class NameDictionaryShape : public BaseShape<Handle<Name> > {
  public:
-  static inline bool IsMatch(Name* key, Object* other);
-  static inline uint32_t Hash(Name* key);
-  static inline uint32_t HashForObject(Name* key, Object* object);
+  static inline bool IsMatch(Handle<Name> key, Object* other);
+  static inline uint32_t Hash(Handle<Name> key);
+  static inline uint32_t HashForObject(Handle<Name> key, Object* object);
   MUST_USE_RESULT static inline MaybeObject* AsObject(Heap* heap,
-                                                      Name* key);
-  static inline Handle<Object> AsHandle(Isolate* isolate, Name* key);
+                                                      Handle<Name> key);
+  static inline Handle<Object> AsHandle(Isolate* isolate, Handle<Name> key);
   static const int kPrefixSize = 2;
   static const int kEntrySize = 3;
   static const bool kIsEnumerable = true;
@@ -4135,7 +4135,7 @@ class NameDictionaryShape : public BaseShape<Name*> {
 
 class NameDictionary: public Dictionary<NameDictionary,
                                         NameDictionaryShape,
-                                        Name*> {
+                                        Handle<Name> > {
  public:
   static inline NameDictionary* cast(Object* obj) {
     ASSERT(obj->IsDictionary());
@@ -4149,6 +4149,9 @@ class NameDictionary: public Dictionary<NameDictionary,
 
   // Find entry for key, otherwise return kNotFound. Optimized version of
   // HashTable::FindEntry.
+  int FindEntry(Handle<Name> key);
+
+  // TODO(ishell): Remove this when all the callers are handlified.
   int FindEntry(Name* key);
 
   // TODO(mstarzinger): Temporary wrapper until handlified.
diff --git a/src/runtime.cc b/src/runtime.cc
index 42535be..c908780 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -3074,7 +3074,7 @@ RUNTIME_FUNCTION(Runtime_FunctionSetReadOnlyPrototype) {
   } else {  // Dictionary properties.
     // Directly manipulate the property details.
     DisallowHeapAllocation no_gc;
-    int entry = function->property_dictionary()->FindEntry(*name);
+    int entry = function->property_dictionary()->FindEntry(name);
     ASSERT(entry != NameDictionary::kNotFound);
     PropertyDetails details = function->property_dictionary()->DetailsAt(entry);
     PropertyDetails new_details(
@@ -15138,7 +15138,7 @@ void Runtime::InitializeIntrinsicFunctionNames(Isolate* isolate,
 
 const Runtime::Function* Runtime::FunctionForName(Handle<String> name) {
   Heap* heap = name->GetHeap();
-  int entry = heap->intrinsic_function_names()->FindEntry(*name);
+  int entry = heap->intrinsic_function_names()->FindEntry(name);
   if (entry != kNotFound) {
     Object* smi_index = heap->intrinsic_function_names()->ValueAt(entry);
     int function_index = Smi::cast(smi_index)->value();
diff --git a/src/stub-cache.cc b/src/stub-cache.cc
index 87cdf42..28a4977 100644
--- a/src/stub-cache.cc
+++ b/src/stub-cache.cc
@@ -891,7 +891,7 @@ void LoadStubCompiler::NonexistentHandlerFrontend(Handle<HeapType> type,
       name = factory()->InternalizeString(Handle<String>::cast(name));
     }
     ASSERT(last.is_null() ||
-           last->property_dictionary()->FindEntry(*name) ==
+           last->property_dictionary()->FindEntry(name) ==
                NameDictionary::kNotFound);
     GenerateDictionaryNegativeLookup(masm(), &miss, holder, name,
                                      scratch2(), scratch3());
diff --git a/src/x64/stub-cache-x64.cc b/src/x64/stub-cache-x64.cc
index 3fe64ac..cf62f6e 100644
--- a/src/x64/stub-cache-x64.cc
+++ b/src/x64/stub-cache-x64.cc
@@ -796,7 +796,7 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
         name = factory()->InternalizeString(Handle<String>::cast(name));
       }
       ASSERT(current.is_null() ||
-             current->property_dictionary()->FindEntry(*name) ==
+             current->property_dictionary()->FindEntry(name) ==
              NameDictionary::kNotFound);
 
       GenerateDictionaryNegativeLookup(masm(), miss, reg, name,