Pass the context from which a given receiver is accessed explicitly

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 142 matching lines @@
 }
 
 
 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);
+  Handle<Context> context(isolate->context());
   do {
     if (PrototypeIterator::GetCurrent(iter)->IsAccessCheckNeeded() &&
-        !isolate->MayAccess(PrototypeIterator::GetCurrent<JSObject>(iter))) {
+        !isolate->MayAccess(context,
+                            PrototypeIterator::GetCurrent<JSObject>(iter))) {
       return isolate->heap()->null_value();
     }
     iter.AdvanceIgnoringProxies();
     if (PrototypeIterator::GetCurrent(iter)->IsJSProxy()) {
       return *PrototypeIterator::GetCurrent(iter);
     }
   } while (!iter.IsAtEnd(PrototypeIterator::END_AT_NON_HIDDEN));
   return *PrototypeIterator::GetCurrent(iter);
 }
 
@@ skipping 10 matching lines @@
       isolate, result, JSObject::SetPrototype(obj, prototype, false));
   return *result;
 }
 
 
 RUNTIME_FUNCTION(Runtime_SetPrototype) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
   CONVERT_ARG_HANDLE_CHECKED(JSObject, obj, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, prototype, 1);
-  if (obj->IsAccessCheckNeeded() && !isolate->MayAccess(obj)) {
+  if (obj->IsAccessCheckNeeded() &&
+      !isolate->MayAccess(handle(isolate->context()), obj)) {
     isolate->ReportFailedAccessCheck(obj);
     RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate);
     return isolate->heap()->undefined_value();
   }
   if (obj->map()->is_observed()) {
     Handle<Object> old_value =
         Object::GetPrototypeSkipHiddenPrototypes(isolate, obj);
     Handle<Object> result;
     ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
         isolate, result, JSObject::SetPrototype(obj, prototype, true));
@@ skipping 635 matching lines @@
             break;
           }
         }
       }
     }
     next_copy_index += own;
   }
 
   CHECK_EQ(total_property_count, next_copy_index);
 
-  if (object->IsAccessCheckNeeded() && !isolate->MayAccess(object)) {
+  if (object->IsAccessCheckNeeded() &&
+      !isolate->MayAccess(handle(isolate->context()), object)) {
     for (int i = 0; i < total_property_count; i++) {
       Handle<Name> name(Name::cast(names->get(i)));
       if (name.is_identical_to(hidden_string)) continue;
       LookupIterator it(object, name, LookupIterator::HIDDEN_SKIP_INTERCEPTOR);
       if (!JSObject::AllCanRead(&it)) {
         names->set(i, *hidden_string);
         hidden_strings++;
       }
     }
   }
@@ skipping 755 matching lines @@
 RUNTIME_FUNCTION(Runtime_IsAccessCheckNeeded) {
   SealHandleScope shs(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_CHECKED(Object, object, 0);
   return isolate->heap()->ToBoolean(object->IsAccessCheckNeeded());
 }
 
 
 }  // namespace internal
 }  // namespace v8