1. Write the backing data array of a GrowableObjectArray as a reference

runtime/vm/snapshot.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_SNAPSHOT_H_
 #define VM_SNAPSHOT_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/bitfield.h"
@@ skipping 775 matching lines @@
   // Returns the id for the object it it exists in the list.
   intptr_t FindObject(RawObject* raw);
 
   // Exhaustively processes all unserialized objects in this list. 'writer' may
   // concurrently add more objects.
   void SerializeAll(ObjectVisitor* writer);
 
   // Restores the tags of all objects in this list.
   void UnmarkAll() const;
 
+  // Set state of object in forward list.
+  void SetState(RawObject* raw, SerializeState state);
+
  private:
   intptr_t first_object_id() const { return first_object_id_; }
   intptr_t next_object_id() const { return nodes_.length() + first_object_id_; }
 
   const intptr_t first_object_id_;
   GrowableArray<Node*> nodes_;
   intptr_t first_unprocessed_object_id_;
 
   friend class FullSnapshotWriter;
   DISALLOW_COPY_AND_ASSIGN(ForwardList);
@@ skipping 75 matching lines @@
 
  public:
   // Snapshot kind.
   Snapshot::Kind kind() const { return kind_; }
 
   // Serialize an object into the buffer.
   void WriteObject(RawObject* raw);
 
   uword GetObjectTags(RawObject* raw);
 
+  intptr_t GetObjectId(RawObject* raw);
+
   Exceptions::ExceptionType exception_type() const {
     return exception_type_;
   }
   void set_exception_type(Exceptions::ExceptionType type) {
     exception_type_ = type;
   }
   const char* exception_msg() const { return exception_msg_; }
   void set_exception_msg(const char* msg) {
     exception_msg_ = msg;
   }
@@ skipping 26 matching lines @@
   }
 
   bool CheckAndWritePredefinedObject(RawObject* raw);
   bool HandleVMIsolateObject(RawObject* raw);
 
   void WriteClassId(RawClass* cls);
   void WriteStaticImplicitClosure(intptr_t object_id,
                                   RawFunction* func,
                                   intptr_t tags);
   void WriteObjectImpl(RawObject* raw, bool as_reference);
-  void WriteObjectRef(RawObject* raw);
-  void WriteInlinedObject(RawObject* raw);
+  void WriteMarkedObjectImpl(RawObject* raw,
+                             intptr_t tags,
+                             intptr_t object_id,
+                             bool as_reference);
   void WriteForwardedObjects();
   void ArrayWriteTo(intptr_t object_id,
                     intptr_t array_kind,
                     intptr_t tags,
                     RawSmi* length,
                     RawTypeArguments* type_arguments,
-                    RawObject* data[]);
+                    RawObject* data[],
+                    bool as_reference);
   RawFunction* IsSerializableClosure(RawClass* cls, RawObject* obj);
   RawClass* GetFunctionOwner(RawFunction* func);
   void CheckForNativeFields(RawClass* cls);
   void SetWriteException(Exceptions::ExceptionType type, const char* msg);
-  void WriteInstance(intptr_t object_id,
-                     RawObject* raw,
+  void WriteInstance(RawObject* raw,
                      RawClass* cls,
-                     intptr_t tags);
-  void WriteInstanceRef(RawObject* raw, RawClass* cls);
+                     intptr_t tags,
+                     intptr_t object_id,
+                     bool as_reference);
   bool AllowObjectsInDartLibrary(RawLibrary* library);
   intptr_t FindVmSnapshotObject(RawObject* rawobj);
 
   void InitializeForwardList(ForwardList* forward_list) {
     ASSERT(forward_list_ == NULL);
     forward_list_ = forward_list;
   }
   void ResetForwardList() {
     ASSERT(forward_list_ != NULL);
     forward_list_ = NULL;
@@ skipping 161 matching lines @@
  private:
   SnapshotWriter* writer_;
   bool as_references_;
 
   DISALLOW_COPY_AND_ASSIGN(SnapshotWriterVisitor);
 };
 
 }  // namespace dart
 
 #endif  // VM_SNAPSHOT_H_