Compute NativeBehavior for native methods and fields.

pkg/compiler/lib/src/ssa/kernel_impact.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.
 
 import 'package:kernel/ast.dart' as ir;
 
 import '../common.dart';
 import '../common/names.dart';
 import '../compiler.dart';
 import '../constants/expressions.dart';
@@ skipping 95 matching lines @@
   ResolutionImpact buildField(ir.Field field) {
     checkType(field.type);
     if (field.initializer != null) {
       visitNode(field.initializer);
       if (!field.isInstanceMember && !field.isConst) {
         impactBuilder.registerFeature(Feature.LAZY_FIELD);
       }
     } else {
       impactBuilder.registerFeature(Feature.FIELD_WITHOUT_INITIALIZER);
     }
+    if (field.isInstanceMember && astAdapter.isNative(field.enclosingClass)) {
+      impactBuilder
+          .registerNativeData(astAdapter.getNativeBehaviorForFieldLoad(field));
+      impactBuilder
+          .registerNativeData(astAdapter.getNativeBehaviorForFieldStore(field));
+    }
     return impactBuilder;
   }
 
   ResolutionImpact buildConstructor(ir.Constructor constructor) {
     handleSignature(constructor.function, checkReturnType: false);
     visitNodes(constructor.initializers);
     visitNode(constructor.function.body);
     return impactBuilder;
   }
 
   ResolutionImpact buildProcedure(ir.Procedure procedure) {
     handleSignature(procedure.function);
     visitNode(procedure.function.body);
     switch (procedure.function.asyncMarker) {
       case ir.AsyncMarker.Sync:
         break;
       case ir.AsyncMarker.SyncStar:
         impactBuilder.registerFeature(Feature.SYNC_STAR);
         break;
       case ir.AsyncMarker.Async:
         impactBuilder.registerFeature(Feature.ASYNC);
         break;
       case ir.AsyncMarker.AsyncStar:
         impactBuilder.registerFeature(Feature.ASYNC_STAR);
         break;
       case ir.AsyncMarker.SyncYielding:
         compiler.reporter.internalError(resolvedAst.element,
             "Unexpected async marker: ${procedure.function.asyncMarker}");
     }
+    if (procedure.isExternal &&
+        !astAdapter.isForeignLibrary(procedure.enclosingLibrary)) {
+      impactBuilder
+          .registerNativeData(astAdapter.getNativeBehaviorForMethod(procedure));
+    }
     return impactBuilder;
   }
 
   void visitNode(ir.Node node) => node?.accept(this);
 
   void visitNodes(Iterable<ir.Node> nodes) {
     nodes.forEach(visitNode);
   }
 
   @override
@@ skipping 402 matching lines @@
     Element target = astAdapter.getElement(node.target).declaration;
     impactBuilder.registerStaticUse(new StaticUse.superConstructorInvoke(
         target, astAdapter.getCallStructure(node.arguments)));
   }
 
   // TODO(johnniwinther): Make this throw and visit child nodes explicitly
   // instead to ensure that we don't visit unwanted parts of the ir.
   @override
   void defaultNode(ir.Node node) => node.visitChildren(this);
 }