Resynthesize ParameterElementImpl.parameterKind lazily.

pkg/analyzer/lib/src/summary/resynthesize.dart

 // Copyright (c) 2015, 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.
 
 library summary_resynthesizer;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 2349 matching lines @@
         parameterElement.parameters = subParameters;
         parameterTypeElement.shareParameters(subParameters);
       }
       parameterTypeElement.returnType =
           buildType(serializedParameter.type, _currentTypeParameterizedElement);
       parameterElement.type = new FunctionTypeImpl.elementWithNameAndArgs(
           parameterTypeElement, null, getCurrentTypeArguments(), false);
       parameterTypeElement.type = parameterElement.type;
     }
     buildVariableInitializer(parameterElement, serializedParameter.initializer);
-    switch (serializedParameter.kind) {
-      case UnlinkedParamKind.named:
-        parameterElement.parameterKind = ParameterKind.NAMED;
-        break;
-      case UnlinkedParamKind.positional:
-        parameterElement.parameterKind = ParameterKind.POSITIONAL;
-        break;
-      case UnlinkedParamKind.required:
-        parameterElement.parameterKind = ParameterKind.REQUIRED;
-        break;
-    }
     return parameterElement;
   }
 
   /**
    * Handle the parts that are common to top level variables and fields.
    */
   void buildPropertyIntroducingElementCommonParts(
       PropertyInducingElementImpl element,
       UnlinkedVariable serializedVariable) {
     buildVariableCommonParts(element, serializedVariable);
@@ skipping 535 matching lines @@
   static String _getElementIdentifier(String name, ReferenceKind kind) {
     if (kind == ReferenceKind.topLevelPropertyAccessor ||
         kind == ReferenceKind.propertyAccessor) {
       if (!name.endsWith('=')) {
         return name + '?';
       }
     }
     return name;
   }
 }