Serialize more native data.

pkg/compiler/lib/src/js_backend/backend_serialization.dart

 // Copyright (c) 2016, 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.
 
 library js_backend.serialization;
 
 import '../common/backend_api.dart' show BackendSerialization;
 import '../dart_types.dart';
 import '../elements/elements.dart';
 import '../js/js.dart' as js;
@@ skipping 17 matching lines @@
 
 class JavaScriptBackendSerialization implements BackendSerialization {
   final JavaScriptBackendSerializer serializer;
   final JavaScriptBackendDeserializer deserializer;
 
   JavaScriptBackendSerialization(JavaScriptBackend backend)
       : serializer = new JavaScriptBackendSerializer(backend),
         deserializer = new JavaScriptBackendDeserializer(backend);
 }
 
+const Key JS_INTEROP_NAME = const Key('jsInteropName');
+const Key NATIVE_MEMBER_NAME = const Key('nativeMemberName');
+const Key NATIVE_CLASS_TAG_INFO = const Key('nativeClassTagInfo');
+
 class JavaScriptBackendSerializer implements SerializerPlugin {
   final JavaScriptBackend backend;
 
   JavaScriptBackendSerializer(this.backend);
 
   @override
   void onElement(Element element, ObjectEncoder createEncoder(String tag)) {
-    // TODO(johnniwinther): Add more data, e.g. js-interop names, native tags,
-    // etc.
-    String nativeName = backend.nativeData.nativeMemberName[element];
-    if (nativeName != null) {
-      ObjectEncoder encoder = createEncoder(_BACKEND_DATA_TAG);
-      encoder.setString(Key.NAME, nativeName);
+    ObjectEncoder encoder;
+    ObjectEncoder getEncoder() {
+      return encoder ??= createEncoder(_BACKEND_DATA_TAG);
+    }
+
+    String jsInteropName = backend.nativeData.jsInteropNames[element];
+    if (jsInteropName != null) {
+      getEncoder().setString(JS_INTEROP_NAME, jsInteropName);
+    }
+    String nativeMemberName = backend.nativeData.nativeMemberName[element];
+    if (nativeMemberName != null) {
+      getEncoder().setString(NATIVE_MEMBER_NAME, nativeMemberName);
+    }
+    String nativeClassTagInfo = backend.nativeData.nativeClassTagInfo[element];
+    if (nativeClassTagInfo != null) {
+      getEncoder().setString(NATIVE_CLASS_TAG_INFO, nativeClassTagInfo);
     }
   }
 
   /// Returns a list of the [DartType]s in [types].
   static List<DartType> filterDartTypes(List types) {
     return types.where((type) => type is DartType).toList();
   }
 
   /// Returns a list of the names of the [SpecialType]s in [types].
   static List<String> filterSpecialTypes(List types) {
@@ skipping 28 matching lines @@
 
 class JavaScriptBackendDeserializer implements DeserializerPlugin {
   final JavaScriptBackend backend;
 
   JavaScriptBackendDeserializer(this.backend);
 
   @override
   void onElement(Element element, ObjectDecoder getDecoder(String tag)) {
     ObjectDecoder decoder = getDecoder(_BACKEND_DATA_TAG);
     if (decoder != null) {
-      String nativeName = decoder.getString(Key.NAME);
-      backend.nativeData.nativeMemberName[element] = nativeName;
+      String jsInteropName =
+          decoder.getString(JS_INTEROP_NAME, isOptional: true);
+      if (jsInteropName != null) {
+        backend.nativeData.jsInteropNames[element] = jsInteropName;
+      }
+      String nativeMemberName =
+          decoder.getString(NATIVE_MEMBER_NAME, isOptional: true);
+      if (nativeMemberName != null) {
+        backend.nativeData.nativeMemberName[element] = nativeMemberName;
+      }
+      String nativeClassTagInfo =
+          decoder.getString(NATIVE_CLASS_TAG_INFO, isOptional: true);
+      if (nativeClassTagInfo != null) {
+        backend.nativeData.nativeClassTagInfo[element] = nativeClassTagInfo;
+      }
     }
   }
 
   @override
   NativeBehavior onData(ObjectDecoder decoder) {
     SideEffects sideEffects =
         new SideEffects.fromFlags(decoder.getInt(SIDE_EFFECTS));
     NativeBehavior behavior = new NativeBehavior.internal(sideEffects);
 
     behavior.typesReturned
@@ skipping 14 matching lines @@
       behavior.codeTemplate = js.js.parseForeignJS(behavior.codeTemplateText);
     }
 
     behavior.throwBehavior =
         decoder.getEnum(THROW_BEHAVIOR, NativeThrowBehavior.values);
     behavior.isAllocation = decoder.getBool(IS_ALLOCATION);
     behavior.useGvn = decoder.getBool(USE_GVN);
     return behavior;
   }
 }