Set the loaded_ flag in RawLibrary when it is completely loaded. This

vm/dart_api_impl.cc

 // Copyright (c) 2011, 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 "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart.h"
@@ skipping 343 matching lines @@
 
 // NOTE: Need to pass 'result' as a parameter here in order to avoid
 // warning: variable 'result' might be clobbered by 'longjmp' or 'vfork'
 // which shows up because of the use of setjmp.
 static void CompileSource(Isolate* isolate,
                           const Library& lib,
                           const String& url,
                           const String& source,
                           RawScript::Kind kind,
                           Dart_Handle* result) {
+  bool update_lib_status = (kind == RawScript::kScript ||
+                            kind == RawScript::kLibrary);
+  if (update_lib_status) {
+    lib.SetLoadInProgress();
+  }
   const Script& script = Script::Handle(Script::New(url, source, kind));
   ASSERT(isolate != NULL);
   LongJump* base = isolate->long_jump_base();
   LongJump jump;
   isolate->set_long_jump_base(&jump);
   if (setjmp(*jump.Set()) == 0) {
     Compiler::Compile(lib, script);
     *result = Api::NewLocalHandle(lib);
+    if (update_lib_status) {
+      lib.SetLoaded();
+    }
   } else {
     SetupErrorResult(result);
+    if (update_lib_status) {
+      lib.SetLoadError();
+    }
   }
   isolate->set_long_jump_base(base);
 }
 
 
 DART_EXPORT Dart_Handle Dart_LoadScript(Dart_Handle url,
                                         Dart_Handle source,
                                         Dart_LibraryTagHandler handler) {
   Isolate* isolate = Isolate::Current();
   DARTSCOPE(isolate);
@@ skipping 1749 matching lines @@
   ASSERT(isolate != NULL);
   ApiState* state = isolate->api_state();
   ASSERT(state != NULL);
   ApiLocalScope* scope = state->top_scope();
   ASSERT(scope != NULL);
   return scope->zone().Reallocate(ptr, old_size, new_size);
 }
 
 
 }  // namespace dart