Add equivalence check of NativeData and InterceptorData

pkg/compiler/lib/src/kernel/element_map.dart

 // Copyright (c) 2017, 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 '../constants/constructors.dart';
 import '../constants/expressions.dart';
@@ skipping 65 matching lines @@
   /// Returns the [Name] corresponding to [name].
   Name getName(ir.Name name);
 
   /// Returns `true` is [node] has a `@Native(...)` annotation.
   bool isNativeClass(ir.Class node);
 
   /// Return `true` if [node] is the `dart:_foreign_helper` library.
   bool isForeignLibrary(ir.Library node);
 
   /// Computes the native behavior for reading the native [field].
-  native.NativeBehavior getNativeBehaviorForFieldLoad(ir.Field field);
+  native.NativeBehavior getNativeBehaviorForFieldLoad(ir.Field field,
+      {bool isJsInterop});
 
   /// Computes the native behavior for writing to the native [field].
   native.NativeBehavior getNativeBehaviorForFieldStore(ir.Field field);
 
   /// Computes the native behavior for calling [procedure].
-  native.NativeBehavior getNativeBehaviorForMethod(ir.Procedure procedure);
+  native.NativeBehavior getNativeBehaviorForMethod(ir.Procedure procedure,
+      {bool isJsInterop});
 
   /// Computes the [native.NativeBehavior] for a call to the [JS] function.
   native.NativeBehavior getNativeBehaviorForJsCall(ir.StaticInvocation node);
 
   /// Computes the [native.NativeBehavior] for a call to the [JS_BUILTIN]
   /// function.
   native.NativeBehavior getNativeBehaviorForJsBuiltinCall(
       ir.StaticInvocation node);
 
   /// Computes the [native.NativeBehavior] for a call to the
@@ skipping 307 matching lines @@
     }
     ir.Node argument = node.arguments.positional.first;
     if (argument is ir.TypeLiteral && argument.type is ir.InterfaceType) {
       return getInterfaceType(argument.type);
     }
     return null;
   }
 
   /// Computes the native behavior for reading the native [field].
   // TODO(johnniwinther): Cache this for later use.
-  native.NativeBehavior getNativeBehaviorForFieldLoad(ir.Field field) {
+  native.NativeBehavior getNativeBehaviorForFieldLoad(ir.Field field,
+      {bool isJsInterop}) {
     DartType type = getDartType(field.type);
     List<ConstantValue> metadata = getMetadata(field.annotations);
-    // TODO(johnniwinther): Provide the correct value for [isJsInterop].
     return nativeBehaviorBuilder.buildFieldLoadBehavior(
         type, metadata, typeLookup(resolveAsRaw: false),
-        isJsInterop: false);
+        isJsInterop: isJsInterop);
   }
 
   /// Computes the native behavior for writing to the native [field].
   // TODO(johnniwinther): Cache this for later use.
   native.NativeBehavior getNativeBehaviorForFieldStore(ir.Field field) {
     DartType type = getDartType(field.type);
     return nativeBehaviorBuilder.buildFieldStoreBehavior(type);
   }
 
   /// Computes the native behavior for calling [procedure].
   // TODO(johnniwinther): Cache this for later use.
-  native.NativeBehavior getNativeBehaviorForMethod(ir.Procedure procedure) {
+  native.NativeBehavior getNativeBehaviorForMethod(ir.Procedure procedure,
+      {bool isJsInterop}) {
     DartType type = getFunctionType(procedure.function);
     List<ConstantValue> metadata = getMetadata(procedure.annotations);
-    // TODO(johnniwinther): Provide the correct value for [isJsInterop].
     return nativeBehaviorBuilder.buildMethodBehavior(
         type, metadata, typeLookup(resolveAsRaw: false),
-        isJsInterop: false);
+        isJsInterop: isJsInterop);
   }
 }
 
 /// Visitor that converts string literals and concatenations of string literals
 /// into the string value.
 class Stringifier extends ir.ExpressionVisitor<String> {
   @override
   String visitStringLiteral(ir.StringLiteral node) => node.value;
 
   @override
@@ skipping 357 matching lines @@
     }
     if (isRedirecting) {
       return new RedirectingGenerativeConstantConstructor(
           defaultValues, superConstructorInvocation);
     } else {
       return new GenerativeConstantConstructor(
           type, defaultValues, fieldMap, superConstructorInvocation);
     }
   }
 }