- Add a minimal implementation of Capability.

runtime/vm/raw_object_snapshot.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/bigint_operations.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/snapshot.h"
 #include "vm/stub_code.h"
 #include "vm/symbols.h"
@@ skipping 2494 matching lines @@
       EXT_TYPED_DATA_WRITE(kTypedDataFloat64ArrayCid, double);  // NOLINT.
       break;
     default:
       UNREACHABLE();
   }
 }
 #undef TYPED_DATA_WRITE
 #undef EXT_TYPED_DATA_WRITE
 
 
+RawCapability* Capability::ReadFrom(SnapshotReader* reader,
+                                    intptr_t object_id,
+                                    intptr_t tags,
+                                    Snapshot::Kind kind) {
+  UNIMPLEMENTED();
+  return Capability::null();
+}
+
+
+void RawCapability::WriteTo(SnapshotWriter* writer,
+                            intptr_t object_id,
+                            Snapshot::Kind kind) {
+  UNIMPLEMENTED();
+}
+
+
+RawReceivePort* ReceivePort::ReadFrom(SnapshotReader* reader,
+                                      intptr_t object_id,
+                                      intptr_t tags,
+                                      Snapshot::Kind kind) {
+  UNIMPLEMENTED();

[siva, 2014/04/23 00:20:31]

Should this be UNREACHABLE() we don't expect to send receive ports out in
messages correct?

[Ivan Posva, 2014/04/23 19:43:35]

Throwing an exception in that case.

+  return ReceivePort::null();
+}
+
+
+void RawReceivePort::WriteTo(SnapshotWriter* writer,
+                             intptr_t object_id,
+                             Snapshot::Kind kind) {
+  UNIMPLEMENTED();

[siva, 2014/04/23 00:20:31]

Ditto comment.

+}
+
+
+RawSendPort* SendPort::ReadFrom(SnapshotReader* reader,
+                                intptr_t object_id,
+                                intptr_t tags,
+                                Snapshot::Kind kind) {
+  uint64_t id = reader->Read<uint64_t>();
+
+  SendPort& result = SendPort::ZoneHandle(reader->isolate(),
+                                          SendPort::New(id));
+  reader->AddBackRef(object_id, &result, kIsDeserialized);
+  return result.raw();
+}
+
+
+void RawSendPort::WriteTo(SnapshotWriter* writer,
+                          intptr_t object_id,
+                          Snapshot::Kind kind) {
+  // Write out the serialization header value for this object.
+  writer->WriteInlinedObjectHeader(object_id);
+
+  // Write out the class and tags information.
+  writer->WriteIndexedObject(kSendPortCid);
+  writer->WriteIntptrValue(writer->GetObjectTags(this));
+
+  writer->Write(ptr()->id_);
+}
+
+
 RawStacktrace* Stacktrace::ReadFrom(SnapshotReader* reader,
                                     intptr_t object_id,
                                     intptr_t tags,
                                     Snapshot::Kind kind) {
   if (kind == Snapshot::kFull) {
     Stacktrace& result = Stacktrace::ZoneHandle(reader->isolate(),
                                                 reader->NewStacktrace());
     reader->AddBackRef(object_id, &result, kIsDeserialized);
 
     // There are no non object pointer fields.
@@ skipping 185 matching lines @@
     // We do not allow objects with native fields in an isolate message.
     writer->SetWriteException(Exceptions::kArgument,
                               "Illegal argument in isolate message"
                               " : (object is a UserTag)");
   } else {
     UNREACHABLE();
   }
 }
 
 }  // namespace dart