Add Service ID zones to service protocol

runtime/vm/service_isolate.cc

 // Copyright (c) 2015, 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/service_isolate.h"
 
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
 #include "vm/isolate.h"
@@ skipping 521 matching lines @@
       String::FromUTF8(reinterpret_cast<const uint8_t*>(resource), r));
   ASSERT(!source_str.IsNull());
   const Script& script = Script::Handle(
     isolate, Script::New(url_str, source_str, RawScript::kLibraryTag));
 
   // Compile script.
   Dart_EnterScope();  // Need to enter scope for tag handler.
   library.SetLoadInProgress();
   const Error& error = Error::Handle(isolate,
                                      Compiler::Compile(library, script));
+  if (!error.IsNull()) {
+    OS::PrintErr("vm-service: Isolate creation error: %s\n",
+          error.ToErrorCString());
+  }
   ASSERT(error.IsNull());
   Dart_Handle result = Dart_FinalizeLoading(false);
   ASSERT(!Dart_IsError(result));
   Dart_ExitScope();
 
   // Uninstall our library tag handler.
   isolate->set_library_tag_handler(NULL);
 }
 
 
@@ skipping 219 matching lines @@
     return result;
   }
   Dart_Handle source = GetSource(url_string);
   if (Dart_IsError(source)) {
     return source;
   }
   return Dart_LoadSource(library, url, source, 0, 0);
 }
 
 }  // namespace dart