Add Observatory support for UnlinkedCall, SingleTargetCache and SubtypeTestCache.

runtime/vm/object_service.cc

 // Copyright (c) 2016, 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.
 
 #include "vm/debugger.h"
 #include "vm/disassembler.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/stub_code.h"
 #include "vm/symbols.h"
@@ skipping 738 matching lines @@
   }
 }
 
 
 void ExceptionHandlers::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Object::PrintJSONImpl(stream, ref);
 }
 
 
 void SingleTargetCache::PrintJSONImpl(JSONStream* stream, bool ref) const {
-  Object::PrintJSONImpl(stream, ref);
+  JSONObject jsobj(stream);
+  AddCommonObjectProperties(&jsobj, "Object", ref);
+  jsobj.AddServiceId(*this);
+  jsobj.AddProperty("_target", Code::Handle(target()));
+  if (ref) {
+    return;
+  }
+  jsobj.AddProperty("_lowerLimit", lower_limit());
+  jsobj.AddProperty("_upperLimit", upper_limit());
 }
 
 
 void UnlinkedCall::PrintJSONImpl(JSONStream* stream, bool ref) const {
-  Object::PrintJSONImpl(stream, ref);
+  JSONObject jsobj(stream);
+  AddCommonObjectProperties(&jsobj, "Object", ref);
+  jsobj.AddServiceId(*this);
+  jsobj.AddProperty("_selector", String::Handle(target_name()).ToCString());
+  if (ref) {
+    return;
+  }
+  jsobj.AddProperty("_argumentsDescriptor", Array::Handle(args_descriptor()));
 }
 
 
 void ICData::PrintJSONImpl(JSONStream* stream, bool ref) const {
   JSONObject jsobj(stream);
   AddCommonObjectProperties(&jsobj, "Object", ref);
   jsobj.AddServiceId(*this);
   jsobj.AddProperty("_owner", Object::Handle(Owner()));
   jsobj.AddProperty("_selector", String::Handle(target_name()).ToCString());
   if (ref) {
@@ skipping 143 matching lines @@
     return;
   }
   jsobj.AddProperty("_buckets", Object::Handle(buckets()));
   jsobj.AddProperty("_mask", mask());
   jsobj.AddProperty("_argumentsDescriptor",
                     Object::Handle(arguments_descriptor()));
 }
 
 
 void SubtypeTestCache::PrintJSONImpl(JSONStream* stream, bool ref) const {
-  Object::PrintJSONImpl(stream, ref);
+  JSONObject jsobj(stream);
+  AddCommonObjectProperties(&jsobj, "Object", ref);
+  jsobj.AddServiceId(*this);
+  if (ref) {
+    return;
+  }
+  jsobj.AddProperty("_cache", Array::Handle(cache()));
 }
 
 
 void Error::PrintJSONImpl(JSONStream* stream, bool ref) const {
   UNREACHABLE();
 }
 
 
 void ApiError::PrintJSONImpl(JSONStream* stream, bool ref) const {
   JSONObject jsobj(stream);
@@ skipping 624 matching lines @@
   jsobj.AddProperty("mirrorReferent", referent_handle);
 }
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 #endif
 
 }  // namespace dart