Desugar %DefaultConstructorCallSuper partially in parser.

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 157 matching lines @@
   Handle<Name> name;
   ASSIGN_RETURN_ON_EXCEPTION(isolate, name, Object::ToName(isolate, key),
                              Object);
 
   LookupIterator it = LookupIterator::PropertyOrElement(isolate, object, name);
   return Object::SetProperty(&it, value, language_mode,
                              Object::MAY_BE_STORE_FROM_KEYED);
 }
 
 
-MaybeHandle<Object> Runtime::GetPrototype(Isolate* isolate,
-                                          Handle<Object> obj) {
+RUNTIME_FUNCTION(Runtime_GetPrototype) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 1);
+  CONVERT_ARG_HANDLE_CHECKED(Object, obj, 0);
   // We don't expect access checks to be needed on JSProxy objects.
   DCHECK(!obj->IsAccessCheckNeeded() || obj->IsJSObject());
   PrototypeIterator iter(isolate, obj, PrototypeIterator::START_AT_RECEIVER);
   do {
     if (PrototypeIterator::GetCurrent(iter)->IsAccessCheckNeeded() &&
         !isolate->MayAccess(
             Handle<JSObject>::cast(PrototypeIterator::GetCurrent(iter)))) {
-      return isolate->factory()->null_value();
+      return isolate->heap()->null_value();
     }
     iter.AdvanceIgnoringProxies();
     if (PrototypeIterator::GetCurrent(iter)->IsJSProxy()) {
-      return PrototypeIterator::GetCurrent(iter);
+      return *PrototypeIterator::GetCurrent(iter);
     }
   } while (!iter.IsAtEnd(PrototypeIterator::END_AT_NON_HIDDEN));
-  return PrototypeIterator::GetCurrent(iter);
+  return *PrototypeIterator::GetCurrent(iter);
 }
 
 
-RUNTIME_FUNCTION(Runtime_GetPrototype) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, obj, 0);
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
-                                     Runtime::GetPrototype(isolate, obj));
-  return *result;
-}
-
-
 RUNTIME_FUNCTION(Runtime_InternalSetPrototype) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, obj, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, prototype, 1);
   DCHECK(!obj->IsAccessCheckNeeded());
   DCHECK(!obj->map()->is_observed());
   Handle<Object> result;
   ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
       isolate, result, JSObject::SetPrototype(obj, prototype, false));
@@ skipping 1344 matching lines @@
 RUNTIME_FUNCTION(Runtime_CreateIterResultObject) {
   HandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
   CONVERT_ARG_HANDLE_CHECKED(Object, value, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, done, 1);
   return *isolate->factory()->NewJSIteratorResult(value, done);
 }
 
 }  // namespace internal
 }  // namespace v8