Track live instance and allocation counts for classes

runtime/vm/raw_object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_RAW_OBJECT_H_
 #define VM_RAW_OBJECT_H_
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/token.h"
@@ skipping 50 matching lines @@
       V(Double)                                                                \
     V(Bool)                                                                    \
     V(GrowableObjectArray)                                                     \
     V(TypedData)                                                               \
     V(ExternalTypedData)                                                       \
     V(Stacktrace)                                                              \
     V(JSRegExp)                                                                \
     V(WeakProperty)                                                            \
     V(MirrorReference)                                                         \
     V(Float32x4)                                                               \
-    V(Int32x4)                                                                \
+    V(Int32x4)                                                                 \
 
 #define CLASS_LIST_ARRAYS(V)                                                   \
   V(Array)                                                                     \
     V(ImmutableArray)                                                          \
 
 #define CLASS_LIST_STRINGS(V)                                                  \
   V(String)                                                                    \
     V(OneByteString)                                                           \
     V(TwoByteString)                                                           \
     V(ExternalOneByteString)                                                   \
@@ skipping 353 matching lines @@
     return ClassIdTag::decode(tags);
   }
 
   friend class Api;
   friend class Array;
   friend class FreeListElement;
   friend class GCMarker;
   friend class ExternalTypedData;
   friend class Heap;
   friend class HeapProfiler;
+  friend class ClassStatsVisitor;
   friend class HeapProfilerRootVisitor;
   friend class MarkingVisitor;
   friend class Object;
   friend class ObjectHistogram;
   friend class RawExternalTypedData;
   friend class RawInstructions;
   friend class RawInstance;
   friend class RawTypedData;
   friend class Scavenger;
   friend class SnapshotReader;
@@ skipping 1265 matching lines @@
   // Make sure this is updated when new TypedData types are added.
   ASSERT(kTypedDataInt8ArrayViewCid == kTypedDataInt8ArrayCid + 13);
   ASSERT(kExternalTypedDataInt8ArrayCid == kTypedDataInt8ArrayViewCid + 14);
   ASSERT(kNullCid == kExternalTypedDataInt8ArrayCid + 13);
   return (kNullCid - kTypedDataInt8ArrayCid);
 }
 
 }  // namespace dart
 
 #endif  // VM_RAW_OBJECT_H_