[heap] Introduce HeapVisitor interface.

src/heap/objects-visiting.cc

 // Copyright 2011 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/heap/objects-visiting.h"
 
 #include "src/heap/heap-inl.h"
 #include "src/heap/mark-compact-inl.h"
 #include "src/heap/objects-visiting-inl.h"
 
 namespace v8 {
 namespace internal {
 
-
-StaticVisitorBase::VisitorId StaticVisitorBase::GetVisitorId(Map* map) {
+VisitorId StaticVisitorBase::GetVisitorId(Map* map) {
   return GetVisitorId(map->instance_type(), map->instance_size(),
                       FLAG_unbox_double_fields && !map->HasFastPointerLayout());
 }
 
-
-StaticVisitorBase::VisitorId StaticVisitorBase::GetVisitorId(
-    int instance_type, int instance_size, bool has_unboxed_fields) {
+VisitorId StaticVisitorBase::GetVisitorId(int instance_type, int instance_size,
+                                          bool has_unboxed_fields) {
   if (instance_type < FIRST_NONSTRING_TYPE) {
     switch (instance_type & kStringRepresentationMask) {
       case kSeqStringTag:
         if ((instance_type & kStringEncodingMask) == kOneByteStringTag) {
           return kVisitSeqOneByteString;
         } else {
           return kVisitSeqTwoByteString;
         }
 
       case kConsStringTag:
@@ skipping 147 matching lines @@
       return kVisitDataObject;
 
     case FIXED_UINT8_ARRAY_TYPE:
     case FIXED_INT8_ARRAY_TYPE:
     case FIXED_UINT16_ARRAY_TYPE:
     case FIXED_INT16_ARRAY_TYPE:
     case FIXED_UINT32_ARRAY_TYPE:
     case FIXED_INT32_ARRAY_TYPE:
     case FIXED_FLOAT32_ARRAY_TYPE:
     case FIXED_UINT8_CLAMPED_ARRAY_TYPE:
-      return kVisitFixedTypedArray;
+      return kVisitFixedTypedArrayBase;
 
     case FIXED_FLOAT64_ARRAY_TYPE:
       return kVisitFixedFloat64Array;
 
 #define MAKE_STRUCT_CASE(NAME, Name, name) case NAME##_TYPE:
       STRUCT_LIST(MAKE_STRUCT_CASE)
 #undef MAKE_STRUCT_CASE
       if (instance_type == ALLOCATION_SITE_TYPE) {
         return kVisitAllocationSite;
       }
@@ skipping 193 matching lines @@
 };
 
 
 template Object* VisitWeakList<Context>(Heap* heap, Object* list,
                                         WeakObjectRetainer* retainer);
 
 template Object* VisitWeakList<AllocationSite>(Heap* heap, Object* list,
                                                WeakObjectRetainer* retainer);
 }  // namespace internal
 }  // namespace v8