Handlify JSObject::DefineAccessor method.

src/objects.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 1914 matching lines @@
       bool continue_search);
   PropertyAttributes GetElementAttributeWithReceiver(JSReceiver* receiver,
                                                      uint32_t index,
                                                      bool continue_search);
 
   static void DefineAccessor(Handle<JSObject> object,
                              Handle<Name> name,
                              Handle<Object> getter,
                              Handle<Object> setter,
                              PropertyAttributes attributes);
-  // Can cause GC.
-  MUST_USE_RESULT MaybeObject* DefineAccessor(Name* name,
-                                              Object* getter,
-                                              Object* setter,
-                                              PropertyAttributes attributes);
-  // Try to define a single accessor paying attention to map transitions.
-  // Returns a JavaScript null if this was not possible and we have to use the
-  // slow case. Note that we can fail due to allocations, too.
-  MUST_USE_RESULT MaybeObject* DefineFastAccessor(
-      Name* name,
-      AccessorComponent component,
-      Object* accessor,
-      PropertyAttributes attributes);
+
   Object* LookupAccessor(Name* name, AccessorComponent component);
 
   MUST_USE_RESULT MaybeObject* DefineAccessor(AccessorInfo* info);
 
   // Used from Object::GetProperty().
   MUST_USE_RESULT MaybeObject* GetPropertyWithFailedAccessCheck(
       Object* receiver,
       LookupResult* result,
       Name* name,
       PropertyAttributes* attributes);
@@ skipping 550 matching lines @@
 
   bool CanSetCallback(Name* name);
   MUST_USE_RESULT MaybeObject* SetElementCallback(
       uint32_t index,
       Object* structure,
       PropertyAttributes attributes);
   MUST_USE_RESULT MaybeObject* SetPropertyCallback(
       Name* name,
       Object* structure,
       PropertyAttributes attributes);
-  MUST_USE_RESULT MaybeObject* DefineElementAccessor(
-      uint32_t index,
-      Object* getter,
-      Object* setter,
-      PropertyAttributes attributes);
-  MUST_USE_RESULT MaybeObject* CreateAccessorPairFor(Name* name);
-  MUST_USE_RESULT MaybeObject* DefinePropertyAccessor(
-      Name* name,
-      Object* getter,
-      Object* setter,
-      PropertyAttributes attributes);
+  static void DefineElementAccessor(Handle<JSObject> object,
+                                    uint32_t index,
+                                    Handle<Object> getter,
+                                    Handle<Object> setter,
+                                    PropertyAttributes attributes);
+  static Handle<AccessorPair> CreateAccessorPairFor(Handle<JSObject> object,
+                                                    Handle<Name> name);
+  static void DefinePropertyAccessor(Handle<JSObject> object,
+                                     Handle<Name> name,
+                                     Handle<Object> getter,
+                                     Handle<Object> setter,
+                                     PropertyAttributes attributes);
 
+  // Try to define a single accessor paying attention to map transitions.
+  // Returns a JavaScript null if this was not possible and we have to use the
+  // slow case.
+  static Handle<Object> DefineFastAccessor(Handle<JSObject> object,
+                                           Handle<Name> name,
+                                           AccessorComponent component,
+                                           Handle<Object> accessor,
+                                           PropertyAttributes attributes);
 
   enum InitializeHiddenProperties {
     CREATE_NEW_IF_ABSENT,
     ONLY_RETURN_INLINE_VALUE
   };
 
   // If create_if_absent is true, return the hash table backing store
   // for hidden properties.  If there is no backing store, allocate one.
   // If create_if_absent is false, return the hash table backing store
   // or the inline stored identity hash, whatever is found.
@@ skipping 6711 matching lines @@
 //   * undefined: considered an accessor by the spec, too, strangely enough
 //   * the hole: an accessor which has not been set
 //   * a pointer to a map: a transition used to ensure map sharing
 class AccessorPair: public Struct {
  public:
   DECL_ACCESSORS(getter, Object)
   DECL_ACCESSORS(setter, Object)
 
   static inline AccessorPair* cast(Object* obj);
 
-  MUST_USE_RESULT MaybeObject* Copy();
+  static Handle<AccessorPair> Copy(Handle<AccessorPair> pair);
 
   Object* get(AccessorComponent component) {
     return component == ACCESSOR_GETTER ? getter() : setter();
   }
 
   void set(AccessorComponent component, Object* value) {
     if (component == ACCESSOR_GETTER) {
       set_getter(value);
     } else {
       set_setter(value);
@@ skipping 476 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_