Implement handlified String::Equals and Name::Equals.

src/objects-inl.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * 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
@@ skipping 3028 matching lines @@
 bool Name::Equals(Name* other) {
   if (other == this) return true;
   if ((this->IsInternalizedString() && other->IsInternalizedString()) ||
       this->IsSymbol() || other->IsSymbol()) {
     return false;
   }
   return String::cast(this)->SlowEquals(String::cast(other));
 }
 
 
+bool Name::Equals(Handle<Name> one, Handle<Name> two) {
+  if (one.is_identical_to(two)) return true;
+  if ((one->IsInternalizedString() && two->IsInternalizedString()) ||
+      one->IsSymbol() || two->IsSymbol()) {
+    return false;
+  }
+  return String::SlowEquals(Handle<String>::cast(one),
+                            Handle<String>::cast(two));
+}
+
+
 ACCESSORS(Symbol, name, Object, kNameOffset)
 ACCESSORS(Symbol, flags, Smi, kFlagsOffset)
 BOOL_ACCESSORS(Symbol, flags, is_private, kPrivateBit)
 
 
 bool String::Equals(String* other) {
   if (other == this) return true;
   if (this->IsInternalizedString() && other->IsInternalizedString()) {
     return false;
   }
   return SlowEquals(other);
 }
 
 
+bool String::Equals(Handle<String> one, Handle<String> two) {
+  if (one.is_identical_to(two)) return true;
+  if (one->IsInternalizedString() && two->IsInternalizedString()) {
+    return false;
+  }
+  return SlowEquals(one, two);
+}
+
+
 Handle<String> String::Flatten(Handle<String> string, PretenureFlag pretenure) {
   if (!string->IsConsString()) return string;
   Handle<ConsString> cons = Handle<ConsString>::cast(string);
   if (cons->IsFlat()) return handle(cons->first());
   return SlowFlatten(cons, pretenure);
 }
 
 
-MaybeObject* String::TryFlatten(PretenureFlag pretenure) {
-  if (!StringShape(this).IsCons()) return this;
-  ConsString* cons = ConsString::cast(this);
-  if (cons->IsFlat()) return cons->first();
-  return SlowTryFlatten(pretenure);
-}
-
-
-String* String::TryFlattenGetString(PretenureFlag pretenure) {
-  MaybeObject* flat = TryFlatten(pretenure);
-  Object* successfully_flattened;
-  if (!flat->ToObject(&successfully_flattened)) return this;
-  return String::cast(successfully_flattened);
-}
-
-
 uint16_t String::Get(int index) {
   ASSERT(index >= 0 && index < length());
   switch (StringShape(this).full_representation_tag()) {
     case kSeqStringTag | kOneByteStringTag:
       return SeqOneByteString::cast(this)->SeqOneByteStringGet(index);
     case kSeqStringTag | kTwoByteStringTag:
       return SeqTwoByteString::cast(this)->SeqTwoByteStringGet(index);
     case kConsStringTag | kOneByteStringTag:
     case kConsStringTag | kTwoByteStringTag:
       return ConsString::cast(this)->ConsStringGet(index);
@@ skipping 3863 matching lines @@
 #undef READ_UINT32_FIELD
 #undef WRITE_UINT32_FIELD
 #undef READ_SHORT_FIELD
 #undef WRITE_SHORT_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_INL_H_