Allow in-object properties in JSCollections, JSWeakCollections and JSRegExp.

src/heap/objects-visiting-inl.h

 // Copyright 2012 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.
 
 #ifndef V8_OBJECTS_VISITING_INL_H_
 #define V8_OBJECTS_VISITING_INL_H_
 
 #include "src/heap/array-buffer-tracker.h"
 #include "src/heap/objects-visiting.h"
 #include "src/ic/ic-state.h"
@@ skipping 368 matching lines @@
   StaticVisitor::VisitPointers(
       heap, object,
       HeapObject::RawField(object, AllocationSite::kPointerFieldsBeginOffset),
       HeapObject::RawField(object, AllocationSite::kPointerFieldsEndOffset));
 }
 
 
 template <typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitWeakCollection(
     Map* map, HeapObject* object) {
+  typedef FlexibleBodyVisitor<StaticVisitor,
+                              JSWeakCollection::BodyDescriptorWeak,
+                              void> JSWeakCollectionBodyVisitor;
   Heap* heap = map->GetHeap();
   JSWeakCollection* weak_collection =
       reinterpret_cast<JSWeakCollection*>(object);
 
   // Enqueue weak collection in linked list of encountered weak collections.
   if (weak_collection->next() == heap->undefined_value()) {
     weak_collection->set_next(heap->encountered_weak_collections());
     heap->set_encountered_weak_collections(weak_collection);
   }
 
   // Skip visiting the backing hash table containing the mappings and the
   // pointer to the other enqueued weak collections, both are post-processed.
-  StaticVisitor::VisitPointers(
-      heap, object,
-      HeapObject::RawField(object, JSWeakCollection::kPropertiesOffset),
-      HeapObject::RawField(object, JSWeakCollection::kTableOffset));
-  STATIC_ASSERT(JSWeakCollection::kTableOffset + kPointerSize ==
-                JSWeakCollection::kNextOffset);
-  STATIC_ASSERT(JSWeakCollection::kNextOffset + kPointerSize ==
-                JSWeakCollection::kSize);
+  JSWeakCollectionBodyVisitor::Visit(map, object);
 
   // Partially initialized weak collection is enqueued, but table is ignored.
   if (!weak_collection->table()->IsHashTable()) return;
 
   // Mark the backing hash table without pushing it on the marking stack.
   Object** slot = HeapObject::RawField(object, JSWeakCollection::kTableOffset);
   HeapObject* obj = HeapObject::cast(*slot);
   heap->mark_compact_collector()->RecordSlot(object, slot, obj);
   StaticVisitor::MarkObjectWithoutPush(heap, obj);
 }
@@ skipping 95 matching lines @@
       StaticVisitor::MarkObject(heap, function->shared()->code());
     }
   }
   VisitJSFunctionStrongCode(map, object);
 }
 
 
 template <typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitJSRegExp(Map* map,
                                                         HeapObject* object) {
-  typedef FlexibleBodyVisitor<StaticVisitor, JSRegExp::BodyDescriptor, void>
-      JSRegExpBodyVisitor;
-  JSRegExpBodyVisitor::Visit(map, object);
+  JSObjectVisitor::Visit(map, object);
 }
 
 
 template <typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitJSArrayBuffer(
     Map* map, HeapObject* object) {
   Heap* heap = map->GetHeap();
 
   typedef FlexibleBodyVisitor<StaticVisitor, JSArrayBuffer::BodyDescriptor,
                               void> JSArrayBufferBodyVisitor;
@@ skipping 277 matching lines @@
   typedef FlexibleBodyVisitor<StaticVisitor, JSFunction::BodyDescriptorWeakCode,
                               void> JSFunctionWeakCodeBodyVisitor;
   JSFunctionWeakCodeBodyVisitor::Visit(map, object);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_VISITING_INL_H_