Resynthesize top-level variables from Kernel.

pkg/analyzer/test/src/summary/element_text.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 'dart:io';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
@@ skipping 676 matching lines @@
   }
 
   void writePropertyInducingElement(PropertyInducingElement e) {
     if (e.isSynthetic && !withSyntheticFields && !isEnumField(e)) {
       return;
     }
 
     DartType type = e.type;
     expect(type, isNotNull);
 
+    if (!e.isSynthetic) {
+      expect(e.getter, isNotNull);
+      expect(e.getter.isSynthetic, isTrue);
+      expect(e.getter.variable, same(e));
+      if (!e.isFinal && !e.isConst) {
+        expect(e.setter, isNotNull);
+        expect(e.setter.isSynthetic, isTrue);
+        expect(e.setter.variable, same(e.getter.variable));
+      }

[Paul Berry, 2017/07/15 15:33:17]

Consider adding:

else {
  expect(e.setter, isNull);
}

+    }
+
     if (e.enclosingElement is ClassElement) {
       writeDocumentation(e, '  ');
       writeMetadata(e, '  ', '\n');
 
       buffer.write('  ');
 
       writeIf(e.isSynthetic, 'synthetic ');
       writeIf(e.isStatic, 'static ');
       writeIf(e is FieldElementImpl && e.isCovariant, 'covariant ');
     } else {
@@ skipping 116 matching lines @@
     return components.join(';');
   }
 }
 
 class _Replacement {
   final int offset;
   final int end;
   final String text;
   _Replacement(this.offset, this.end, this.text);
 }