Object::GetElements() and friends maybehandlification.

src/ic.cc

 // 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 555 matching lines @@
       return *Accessors::FunctionGetPrototype(Handle<JSFunction>::cast(object));
     }
   }
 
   // Check if the name is trivially convertible to an index and get
   // the element or char if so.
   uint32_t index;
   if (kind() == Code::KEYED_LOAD_IC && name->AsArrayIndex(&index)) {
     // Rewrite to the generic keyed load stub.
     if (FLAG_use_ic) set_target(*generic_stub());
-    Handle<Object> result =
-        Runtime::GetElementOrCharAt(isolate(), object, index);
-    RETURN_IF_EMPTY_HANDLE(isolate(), result);
+    Handle<Object> result;
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+        isolate(), result,
+        Runtime::GetElementOrCharAt(isolate(), object, index));
     return *result;
   }
 
   bool use_ic = MigrateDeprecated(object) ? false : FLAG_use_ic;
 
   // Named lookup in the object.
   LookupResult lookup(isolate());
   LookupForRead(object, name, &lookup);
 
   // If we did not find a property, check if we need to throw an exception.
@@ skipping 489 matching lines @@
     return generic_stub();
   }
 
   return isolate()->stub_cache()->ComputeLoadElementPolymorphic(
       &target_receiver_maps);
 }
 
 
 MaybeObject* KeyedLoadIC::Load(Handle<Object> object, Handle<Object> key) {
   if (MigrateDeprecated(object)) {
-    Handle<Object> result = Runtime::GetObjectProperty(isolate(), object, key);
-    RETURN_IF_EMPTY_HANDLE(isolate(), result);
+    Handle<Object> result;
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+        isolate(), result, Runtime::GetObjectProperty(isolate(), object, key));
     return *result;
   }
 
   MaybeObject* maybe_object = NULL;
   Handle<Code> stub = generic_stub();
 
   // Check for non-string values that can be converted into an
   // internalized string directly or is representable as a smi.
   key = TryConvertKey(key, isolate());
 
@@ skipping 19 matching lines @@
 
   if (!is_target_set()) {
     if (*stub == *generic_stub()) {
       TRACE_GENERIC_IC(isolate(), "KeyedLoadIC", "set generic");
     }
     set_target(*stub);
     TRACE_IC("LoadIC", key);
   }
 
   if (maybe_object != NULL) return maybe_object;
-  Handle<Object> result = Runtime::GetObjectProperty(isolate(), object, key);
-  RETURN_IF_EMPTY_HANDLE(isolate(), result);
+  Handle<Object> result;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+      isolate(), result, Runtime::GetObjectProperty(isolate(), object, key));
   return *result;
 }
 
 
 static bool LookupForWrite(Handle<JSObject> receiver,
                            Handle<String> name,
                            Handle<Object> value,
                            LookupResult* lookup,
                            IC* ic) {
   Handle<JSObject> holder = receiver;
@@ skipping 1698 matching lines @@
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) {
   return IC_utilities[id];
 }
 
 
 } }  // namespace v8::internal