Add J-elements

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 '../closure.dart';
 import '../common.dart';
 import '../common/names.dart';
 import '../constants/constructors.dart';
@@ skipping 26 matching lines @@
 
   /// Returns the [FunctionType] of the [node].
   FunctionType getFunctionType(ir.FunctionNode node);
 
   /// Returns the list of [DartType]s corresponding to [types].
   List<DartType> getDartTypes(List<ir.DartType> types);
 
   /// Returns the [InterfaceType] corresponding to [type].
   InterfaceType getInterfaceType(ir.InterfaceType type);
 
-  /// Returns the 'this type' of [cls]. That is, the instantiation of [cls]
-  /// where the type arguments are the type variables of [cls].
-  InterfaceType getThisType(ClassEntity cls);
-
   /// Return the [InterfaceType] corresponding to the [cls] with the given
   /// [typeArguments].
   InterfaceType createInterfaceType(
       ir.Class cls, List<ir.DartType> typeArguments);
 
   /// Returns the [CallStructure] corresponding to the [arguments].
   CallStructure getCallStructure(ir.Arguments arguments);
 
   /// Returns the [Selector] corresponding to the invocation or getter/setter
   /// access of [node].
@@ skipping 18 matching lines @@
   ///
   /// Kernel will say that C()'s super initializer resolves to Object(), but
   /// this function will return an entity representing the unnamed mixin
   /// application "Object+M"'s constructor.
   ConstructorEntity getSuperConstructor(
       ir.Constructor constructor, ir.Member target);
 
   /// Returns the [MemberEntity] corresponding to the member [node].
   MemberEntity getMember(ir.Member node);
 
+  /// Returns the kernel IR node that defines the [member].
+  ir.Member getMemberNode(MemberEntity member);
+
   /// Returns the [FunctionEntity] corresponding to the procedure [node].
   FunctionEntity getMethod(ir.Procedure node);
 
   /// Returns the super [MemberEntity] for a super invocation, get or set of
   /// [name] from the member [context].
   ///
   /// The IR doesn't always resolve super accesses to the corresponding
   /// [target]. If not, the target is computed using [name] and [setter] from
   /// the enclosing class of [context].
   MemberEntity getSuperMember(ir.Member context, ir.Name name, ir.Member target,
@@ skipping 938 matching lines @@
 
   /// Returns the [JumpTarget] for the branch in [node].
   // TODO(johnniwinther): Split this by kind of [node]?
   JumpTarget getJumpTarget(ir.TreeNode node, {bool isContinueTarget: false});
 
   /// Returns the [LoopClosureRepresentationInfo] for the loop [node] in
   /// [closureClassMaps].
   LoopClosureRepresentationInfo getClosureRepresentationInfoForLoop(
       ClosureDataLookup closureLookup, ir.TreeNode node);
 }