Fix for summarization of generic function type aliases and support for resynthesizing.

pkg/analyzer/lib/src/summary/prelink.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:analyzer/src/generated/utilities_dart.dart';
 import 'package:analyzer/src/summary/format.dart';
 import 'package:analyzer/src/summary/idl.dart';
 import 'package:analyzer/src/summary/name_filter.dart';
 
 /**
@@ skipping 365 matching lines @@
           executable.name,
           new _Meaning(
               unitNum,
               executable.kind == UnlinkedExecutableKind.functionOrMethod
                   ? ReferenceKind.topLevelFunction
                   : ReferenceKind.topLevelPropertyAccessor,
               0,
               executable.typeParameters.length));
     }
     for (UnlinkedTypedef typedef in unit.typedefs) {
-      privateNamespace.add(
-          typedef.name,
-          new _Meaning(unitNum, ReferenceKind.typedef, 0,
-              typedef.typeParameters.length));
+      ReferenceKind kind;
+      switch (typedef.style) {
+        case TypedefStyle.functionType:
+          kind = ReferenceKind.typedef;
+          break;
+        case TypedefStyle.genericFunctionType:
+          kind = ReferenceKind.genericFunctionTypedef;
+          break;
+      }
+      assert(kind != null);
+      privateNamespace.add(typedef.name,
+          new _Meaning(unitNum, kind, 0, typedef.typeParameters.length));
     }
     for (UnlinkedVariable variable in unit.variables) {
       privateNamespace.add(variable.name,
           new _Meaning(unitNum, ReferenceKind.topLevelPropertyAccessor, 0, 0));
       if (!(variable.isConst || variable.isFinal)) {
         privateNamespace.add(
             variable.name + '=',
             new _Meaning(
                 unitNum, ReferenceKind.topLevelPropertyAccessor, 0, 0));
       }
@@ skipping 216 matching lines @@
   String _selectUri(
       String defaultUri, List<UnlinkedConfiguration> configurations) {
     for (UnlinkedConfiguration configuration in configurations) {
       if (getDeclaredVariable(configuration.name) == configuration.value) {
         return configuration.uri;
       }
     }
     return defaultUri;
   }
 }