Register synthesized mixin application classes in the library and reuse them

runtime/lib/mirrors.cc

 // Copyright (c) 2012, 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 "lib/invocation_mirror.h"
 #include "vm/bootstrap_natives.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/exceptions.h"
@@ skipping 334 matching lines @@
 
   const Bool& is_generic = Bool::Get(cls.NumTypeParameters() != 0);
   const Bool& is_mixin_typedef = Bool::Get(cls.is_mixin_typedef());
 
   const Array& args = Array::Handle(Array::New(6));
   args.SetAt(0, MirrorReference::Handle(MirrorReference::New(cls)));
   args.SetAt(1, type);
   // We do not set the names of anonymous mixin applications because the mirrors
   // use a different naming convention than the VM (lib.S with lib.M and S&M
   // respectively).
-  if (!cls.IsMixinApplication() || cls.is_mixin_typedef()) {
+  if (!cls.IsAnonymousMixinApplication()) {
     args.SetAt(2, String::Handle(cls.Name()));
   }
   args.SetAt(3, is_generic);
   args.SetAt(4, is_mixin_typedef);
   args.SetAt(5, cls.NumTypeParameters() == 0 ? Bool::False() : is_declaration);
   return CreateMirror(Symbols::_LocalClassMirrorImpl(), args);
 }
 
 
 static RawInstance* CreateLibraryMirror(const Library& lib) {
@@ skipping 838 matching lines @@
 
   AbstractType& type = AbstractType::Handle();
 
   while (entries.HasNext()) {
     entry = entries.GetNext();
     if (entry.IsClass()) {
       const Class& klass = Class::Cast(entry);
       // We filter out function signature classes and dynamic.
       // TODO(12478): Should not need to filter out dynamic.
       if (!klass.IsCanonicalSignatureClass() &&
-          !klass.IsDynamicClass()) {
+          !klass.IsDynamicClass() &&
+          !klass.IsAnonymousMixinApplication()) {
         type = klass.DeclarationType();
         member_mirror = CreateClassMirror(klass,
                                           type,
                                           Bool::True(),  // is_declaration
                                           owner_mirror);
         member_mirrors.Add(member_mirror);
       }
     } else if (entry.IsField()) {
       const Field& field = Field::Cast(entry);
       member_mirror = CreateVariableMirror(field, owner_mirror);
@@ skipping 749 matching lines @@
 }
 
 
 DEFINE_NATIVE_ENTRY(VariableMirror_type, 1) {
   GET_NON_NULL_NATIVE_ARGUMENT(MirrorReference, ref, arguments->NativeArgAt(0));
   const Field& field = Field::Handle(ref.GetFieldReferent());
   return field.type();
 }
 
 }  // namespace dart