Handlify GetProperty.

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 1515 matching lines @@
   MUST_USE_RESULT MaybeObject* ToObject(Context* native_context);
 
   // Converts this to a Smi if possible.
   // Failure is returned otherwise.
   static MUST_USE_RESULT inline Handle<Object> ToSmi(Isolate* isolate,
                                                      Handle<Object> object);
   MUST_USE_RESULT inline MaybeObject* ToSmi();
 
   void Lookup(Name* name, LookupResult* result);
 
-  // Property access.
-  MUST_USE_RESULT inline MaybeObject* GetProperty(Name* key);
-
   // TODO(yangguo): this should eventually replace the non-handlified version.

[Igor Sheludko, 2014/04/11 10:52:13]

I think this TODO is obsolete now.

   MUST_USE_RESULT static MaybeHandle<Object> GetPropertyWithReceiver(
       Handle<Object> object,
       Handle<Object> receiver,
       Handle<Name> name,
       PropertyAttributes* attributes);
-  MUST_USE_RESULT MaybeObject* GetPropertyWithReceiver(
-      Object* receiver,
-      Name* key,
-      PropertyAttributes* attributes);
-
   MUST_USE_RESULT static MaybeHandle<Object> GetPropertyOrElement(
       Handle<Object> object,
       Handle<Name> key);
 
-  static Handle<Object> GetProperty(Handle<Object> object,
-                                    Handle<Name> key);
+  MUST_USE_RESULT static MaybeHandle<Object> GetProperty(Handle<Object> object,
+                                                         Handle<Name> key);
   MUST_USE_RESULT static MaybeHandle<Object> GetProperty(
       Handle<Object> object,
       Handle<Object> receiver,
       LookupResult* result,
       Handle<Name> key,
       PropertyAttributes* attributes);
 
-  MUST_USE_RESULT MaybeObject* GetProperty(Object* receiver,
-                                           LookupResult* result,
-                                           Name* key,
-                                           PropertyAttributes* attributes);
-
   MUST_USE_RESULT static MaybeHandle<Object> GetPropertyWithDefinedGetter(
       Handle<Object> object,
       Handle<Object> receiver,
       Handle<JSReceiver> getter);
 
   MUST_USE_RESULT static inline MaybeHandle<Object> GetElement(
       Isolate* isolate,
       Handle<Object> object,
       uint32_t index);
 
-  // For use when we know that no exception can be thrown.
-  static inline Handle<Object> GetElementNoExceptionThrown(
-      Isolate* isolate,
-      Handle<Object> object,
-      uint32_t index);
-
   MUST_USE_RESULT static MaybeHandle<Object> GetElementWithReceiver(
       Isolate* isolate,
       Handle<Object> object,
       Handle<Object> receiver,
       uint32_t index);
 
   // Return the object's prototype (might be Heap::null_value()).
   Object* GetPrototype(Isolate* isolate);
   Map* GetMarkerMap(Isolate* isolate);
 
@@ skipping 6177 matching lines @@
 
   // [global context]: the most recent (i.e. innermost) global context.
   DECL_ACCESSORS(global_context, Context)
 
   // [global receiver]: the global receiver object of the context
   DECL_ACCESSORS(global_receiver, JSObject)
 
   // Retrieve the property cell used to store a property.
   PropertyCell* GetPropertyCell(LookupResult* result);
 
-  // This is like GetProperty, but is used when you know the lookup won't fail
-  // by throwing an exception.  This is for the debug and builtins global
-  // objects, where it is known which properties can be expected to be present
-  // on the object.
-  static inline Handle<Object> GetPropertyNoExceptionThrown(
-      Handle<GlobalObject> global,
-      Handle<Name> name);
-
   // Casting.
   static inline GlobalObject* cast(Object* obj);
 
   // Layout description.
   static const int kBuiltinsOffset = JSObject::kHeaderSize;
   static const int kNativeContextOffset = kBuiltinsOffset + kPointerSize;
   static const int kGlobalContextOffset = kNativeContextOffset + kPointerSize;
   static const int kGlobalReceiverOffset = kGlobalContextOffset + kPointerSize;
   static const int kHeaderSize = kGlobalReceiverOffset + kPointerSize;
 
@@ skipping 2010 matching lines @@
  public:
   // [handler]: The handler property.
   DECL_ACCESSORS(handler, Object)
 
   // [hash]: The hash code property (undefined if not initialized yet).
   DECL_ACCESSORS(hash, Object)
 
   // Casting.
   static inline JSProxy* cast(Object* obj);
 
-  MUST_USE_RESULT MaybeObject* GetPropertyWithHandler(
-      Object* receiver,
-      Name* name);
-  MUST_USE_RESULT MaybeObject* GetElementWithHandler(
-      Object* receiver,
+  MUST_USE_RESULT static MaybeHandle<Object> GetPropertyWithHandler(
+      Handle<JSProxy> proxy,
+      Handle<Object> receiver,
+      Handle<Name> name);
+  MUST_USE_RESULT static MaybeHandle<Object> GetElementWithHandler(
+      Handle<JSProxy> proxy,
+      Handle<Object> receiver,
       uint32_t index);
 
   // If the handler defines an accessor property with a setter, invoke it.
   // If it defines an accessor property without a setter, or a data property
   // that is read-only, throw. In all these cases set '*done' to true,
   // otherwise set it to false.
   MUST_USE_RESULT
   static MaybeHandle<Object> SetPropertyViaPrototypesWithHandler(
       Handle<JSProxy> proxy,
       Handle<JSReceiver> receiver,
@@ skipping 1185 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_