Make ClassMirror.typeVariables lazy and convert dependencies to native code.

runtime/vm/object.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 "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 14342 matching lines @@
   return Function::Cast(Object::Handle(referent())).raw();
 }
 
 
 RawLibrary* MirrorReference::GetLibraryReferent() const {
   ASSERT(Object::Handle(referent()).IsLibrary());
   return Library::Cast(Object::Handle(referent())).raw();
 }
 
 
+RawTypeParameter* MirrorReference::GetTypeParameterReferent() const {
+  ASSERT(Object::Handle(referent()).IsTypeParameter());
+  return TypeParameter::Cast(Object::Handle(referent())).raw();
+}
+
+
 RawMirrorReference* MirrorReference::New(const Object& referent,
                                          Heap::Space space) {
   ASSERT(Isolate::Current()->object_store()->mirror_reference_class()
          != Class::null());
   MirrorReference& result = MirrorReference::Handle();
   {
     RawObject* raw = Object::Allocate(MirrorReference::kClassId,
                                       MirrorReference::InstanceSize(),
                                       space);
     NoGCScope no_gc;
     result ^= raw;
   }
   result.set_referent(referent);
   return result.raw();
 }
 
 
 const char* MirrorReference::ToCString() const {
   return "_MirrorReference";
 }
 
 
 void MirrorReference::PrintToJSONStream(JSONStream* stream, bool ref) const {
   stream->OpenObject();
   stream->CloseObject();
 }
 
 
 }  // namespace dart