Support breakpoints in deferred libraries

runtime/vm/dart_api_impl.cc

 // 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.
 
 #include "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_message.h"
 #include "vm/dart_api_state.h"
 #include "vm/dart_entry.h"
+#include "vm/debugger.h"
 #include "vm/debuginfo.h"
 #include "vm/exceptions.h"
 #include "vm/flags.h"
 #include "vm/growable_array.h"
 #include "vm/lockers.h"
 #include "vm/message.h"
 #include "vm/message_handler.h"
 #include "vm/native_entry.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
@@ skipping 5276 matching lines @@
 
   // TODO(hausner): move the remaining code below (finalization and
   // invoing of _completeDeferredLoads) into Isolate::DoneLoading().
 
   // Finalize all classes if needed.
   Dart_Handle state = Api::CheckAndFinalizePendingClasses(isolate);
   if (::Dart_IsError(state)) {
     return state;
   }
 
+  // Now that the newly loaded classes are finalized, notify the debugger
+  // that new code has been loaded. If there are latent breakpoints in
+  // the new code, the debugger convert them to unresolved source breakpoints.
+  // The code that completes the futures (invoked below) may call into the
+  // newly loaded code and trigger one of these breakpoints.
+  isolate->debugger()->NotifyDoneLoading();
+
   if (complete_futures) {
     const Library& corelib = Library::Handle(isolate, Library::CoreLibrary());
     const String& function_name =
         String::Handle(isolate, String::New("_completeDeferredLoads"));
     const Function& function =
         Function::Handle(isolate,
                          corelib.LookupFunctionAllowPrivate(function_name));
     ASSERT(!function.IsNull());
     const Array& args = Array::empty_array();
 
@@ skipping 90 matching lines @@
 
 
 DART_EXPORT void Dart_RegisterRootServiceRequestCallback(
     const char* name,
     Dart_ServiceRequestCallback callback,
     void* user_data) {
   Service::RegisterRootEmbedderCallback(name, callback, user_data);
 }
 
 }  // namespace dart