We can now name the current VM using the service protocol.

runtime/vm/json_stream.h

 // Copyright (c) 2013, 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_JSON_STREAM_H_
 #define VM_JSON_STREAM_H_
 
 #include "include/dart_api.h"  // for Dart_Port
 #include "platform/json.h"
 #include "vm/allocation.h"
@@ skipping 120 matching lines @@
   void PrintValueNoEscape(const char* s);
   void PrintfValue(const char* format, ...) PRINTF_ATTRIBUTE(2, 3);
   void PrintValue(const Object& o, bool ref = true);
   void PrintValue(Breakpoint* bpt);
   void PrintValue(const ServiceEvent* event);
   void PrintValue(Metric* metric);
   void PrintValue(MessageQueue* queue);
   void PrintValue(Isolate* isolate, bool ref = true);
   bool PrintValueStr(const String& s, intptr_t limit);
   void PrintValue(TimelineEvent* timeline_event);
+  void PrintValueVM(bool ref = true);
 
   void PrintServiceId(const Object& o);
   void PrintPropertyBool(const char* name, bool b);
   void PrintProperty(const char* name, intptr_t i);
   void PrintProperty64(const char* name, int64_t i);
   void PrintPropertyTimeMillis(const char* name, int64_t millis);
   void PrintPropertyTimeMicros(const char* name, int64_t micros);
   void PrintProperty(const char* name, double d);
   void PrintPropertyBase64(const char* name,
                            const uint8_t* bytes,
                            intptr_t length);
   void PrintProperty(const char* name, const char* s);
   bool PrintPropertyStr(const char* name, const String& s, intptr_t limit);
   void PrintPropertyNoEscape(const char* name, const char* s);
   void PrintfProperty(const char* name, const char* format, ...)
   PRINTF_ATTRIBUTE(3, 4);
   void PrintProperty(const char* name, const Object& o, bool ref = true);
 
   void PrintProperty(const char* name, const ServiceEvent* event);
   void PrintProperty(const char* name, Breakpoint* bpt);
   void PrintProperty(const char* name, Metric* metric);
   void PrintProperty(const char* name, MessageQueue* queue);
   void PrintProperty(const char* name, Isolate* isolate);
   void PrintProperty(const char* name, TimelineEvent* timeline_event);
+  void PrintPropertyVM(const char* name, bool ref = true);
   void PrintPropertyName(const char* name);
   void PrintCommaIfNeeded();
   bool NeedComma();
 
   bool AddDartString(const String& s, intptr_t limit);
   void AddEscapedUTF8String(const char* s);
   void AddEscapedUTF8String(const char* s, intptr_t len);
 
   intptr_t nesting_level() const { return open_objects_; }
 
@@ skipping 94 matching lines @@
   }
   void AddProperty(const char* name, MessageQueue* queue) const {
     stream_->PrintProperty(name, queue);
   }
   void AddProperty(const char* name, Isolate* isolate) const {
     stream_->PrintProperty(name, isolate);
   }
   void AddProperty(const char* name, TimelineEvent* timeline_event) const {
     stream_->PrintProperty(name, timeline_event);
   }
+  void AddPropertyVM(const char* name, bool ref = true) const {
+    stream_->PrintPropertyVM(name, ref);
+  }
   void AddPropertyF(const char* name, const char* format, ...) const
       PRINTF_ATTRIBUTE(3, 4);
 
  private:
   JSONStream* stream_;
 
   friend class JSONArray;
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(JSONObject);
@@ skipping 40 matching lines @@
   }
   void AddValue(Metric* metric) const {
     stream_->PrintValue(metric);
   }
   void AddValue(MessageQueue* queue) const {
     stream_->PrintValue(queue);
   }
   void AddValue(TimelineEvent* timeline_event) const {
     stream_->PrintValue(timeline_event);
   }
+  void AddValueVM(bool ref = true) const {
+    stream_->PrintValueVM(ref);
+  }
   void AddValueF(const char* format, ...) const PRINTF_ATTRIBUTE(2, 3);
 
  private:
   JSONStream* stream_;
 
   friend class JSONObject;
 
   DISALLOW_ALLOCATION();
   DISALLOW_COPY_AND_ASSIGN(JSONArray);
 };
 
 }  // namespace dart
 
 #endif  // VM_JSON_STREAM_H_