[runtime] Unify the ToObject handling.

src/runtime/runtime-object.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
 #include "src/isolate-inl.h"
@@ skipping 256 matching lines @@
 
 
 // ES6 19.1.2.6
 RUNTIME_FUNCTION(Runtime_GetOwnProperty) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, raw_name, 1);
   // 1. Let obj be ? ToObject(O).
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, object,
-                                     Execution::ToObject(isolate, object));
+                                     Object::ToObject(isolate, object));
   // 2. Let key be ? ToPropertyKey(P).
   Handle<Name> key;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, key,
                                      Object::ToName(isolate, raw_name));
 
   // 3. Let desc be ? obj.[[GetOwnProperty]](key).
   PropertyDescriptor desc;
   Maybe<bool> found = JSReceiver::GetOwnPropertyDescriptor(
       isolate, Handle<JSReceiver>::cast(object), key, &desc);
   MAYBE_RETURN(found, isolate->heap()->exception());
@@ skipping 268 matching lines @@
   return *result;
 }
 
 
 namespace {
 
 // ES6 section 12.5.4.
 Object* DeleteProperty(Isolate* isolate, Handle<Object> object,
                        Handle<Object> key, LanguageMode language_mode) {
   Handle<JSReceiver> receiver;
-  if (!JSReceiver::ToObject(isolate, object).ToHandle(&receiver)) {
-    THROW_NEW_ERROR_RETURN_FAILURE(
-        isolate, NewTypeError(MessageTemplate::kUndefinedOrNullToObject));
-  }
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, receiver,
+                                     Object::ToObject(isolate, object));
   Maybe<bool> result =
       Runtime::DeleteObjectProperty(isolate, receiver, key, language_mode);
   MAYBE_RETURN(result, isolate->heap()->exception());
   return isolate->heap()->ToBoolean(result.FromJust());
 }
 
 }  // namespace
 
 
 RUNTIME_FUNCTION(Runtime_DeleteProperty_Sloppy) {
@@ skipping 476 matching lines @@
                                setter, attrs));
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_ToObject) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(Object, object, 0);
   Handle<JSReceiver> receiver;
-  if (JSReceiver::ToObject(isolate, object).ToHandle(&receiver)) {
-    return *receiver;
-  }
-  THROW_NEW_ERROR_RETURN_FAILURE(
-      isolate, NewTypeError(MessageTemplate::kUndefinedOrNullToObject));
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, receiver,
+                                     Object::ToObject(isolate, object));
+  return *receiver;
 }
 
 
 RUNTIME_FUNCTION(Runtime_ToPrimitive) {
   HandleScope scope(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_HANDLE_CHECKED(Object, input, 0);
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
                                      Object::ToPrimitive(input));
@@ skipping 237 matching lines @@
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(Object, o, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, properties, 1);
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, o, JSReceiver::DefineProperties(isolate, o, properties));
   return *o;
 }
 
 }  // namespace internal
 }  // namespace v8