Generate separate navigation regions for 'super' and optional 'name'.

pkg/analysis_server/lib/src/domains/analysis/navigation_dart.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 domains.analysis.navigation_dart;
 
 import 'package:analysis_server/plugin/analysis/navigation/navigation_core.dart';
 import 'package:analysis_server/src/protocol_server.dart' as protocol;
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
@@ skipping 225 matching lines @@
     computer._addRegionForToken(node.operator, node.bestElement);
   }
 
   @override
   visitPrefixExpression(PrefixExpression node) {
     computer._addRegionForToken(node.operator, node.bestElement);
     super.visitPrefixExpression(node);
   }
 
   @override
+  visitRedirectingConstructorInvocation(RedirectingConstructorInvocation node) {
+    Element element = node.staticElement;
+    if (element != null && element.isSynthetic) {
+      element = element.enclosingElement;
+    }
+    // add region
+    computer._addRegionForToken(node.thisKeyword, element);
+    computer._addRegionForNode(node.constructorName, element);
+    // process arguments
+    _safelyVisit(node.argumentList);
+  }
+
+  @override
   visitSimpleIdentifier(SimpleIdentifier node) {
     if (node.parent is ConstructorDeclaration) {
       return;
     }
     Element element = node.bestElement;
     computer._addRegionForNode(node, element);
   }
 
   @override
   visitSuperConstructorInvocation(SuperConstructorInvocation node) {
     Element element = node.staticElement;
     if (element != null && element.isSynthetic) {
       element = element.enclosingElement;
     }
     // add region
-    SimpleIdentifier name = node.constructorName;
-    if (name != null) {
-      computer._addRegion_nodeStart_nodeEnd(node, name, element);
-    } else {
-      computer._addRegionForToken(node.superKeyword, element);
-    }
+    computer._addRegionForToken(node.superKeyword, element);
+    computer._addRegionForNode(node.constructorName, element);
     // process arguments
     _safelyVisit(node.argumentList);
   }
 
   void _addConstructorName(AstNode parent, ConstructorName node) {
     Element element = node.staticElement;
     if (element == null) {
       return;
     }
     // if a synthetic constructor, navigate to the class
@@ skipping 26 matching lines @@
       }
     }
   }
 
   void _safelyVisit(AstNode node) {
     if (node != null) {
       node.accept(this);
     }
   }
 }