Implement type inference for super initializers.

pkg/front_end/lib/src/fasta/kernel/kernel_shadow_ast.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.
 
 /// This file declares a "shadow hierarchy" of concrete classes which extend
 /// the kernel class hierarchy, adding methods and fields needed by the
 /// BodyBuilder.
 ///
 /// Instances of these classes may be created using the factory methods in
 /// `ast_factory.dart`.
@@ skipping 1788 matching lines @@
       KernelTypeInferrer inferrer, DartType typeContext, bool typeNeeded) {
     typeNeeded =
         inferrer.listener.stringLiteralEnter(this, typeContext) || typeNeeded;
     var inferredType =
         typeNeeded ? inferrer.coreTypes.stringClass.rawType : null;
     inferrer.listener.stringLiteralExit(this, inferredType);
     return inferredType;
   }
 }
 
+/// Concrete shadow object representing a super initializer in kernel form.
+class KernelSuperInitializer extends SuperInitializer
+    implements KernelInitializer {
+  KernelSuperInitializer(Constructor target, Arguments arguments)
+      : super(target, arguments);
+
+  @override
+  void _inferInitializer(KernelTypeInferrer inferrer) {
+    inferrer.listener.superInitializerEnter(this);
+    inferrer.inferInvocation(null, false, fileOffset,
+        target.function.functionType, target.enclosingClass.thisType, arguments,
+        skipTypeArgumentInference: true);
+    inferrer.listener.superInitializerExit(this);
+  }
+}
+
 /// Shadow object for [SuperMethodInvocation].
 class KernelSuperMethodInvocation extends SuperMethodInvocation
     implements KernelExpression {
   KernelSuperMethodInvocation(Name name, Arguments arguments,
       [Procedure interfaceTarget])
       : super(name, arguments, interfaceTarget);
 
   @override
   void _collectDependencies(KernelDependencyCollector collector) {
     // Super expressions should never occur in top level type inference.
@@ skipping 609 matching lines @@
   accept(v) => unsupported("accept", -1, null);
 
   accept1(v, arg) => unsupported("accept1", -1, null);
 
   getStaticType(types) => unsupported("getStaticType", -1, null);
 
   transformChildren(v) => unsupported("transformChildren", -1, null);
 
   visitChildren(v) => unsupported("visitChildren", -1, null);
 }