Clarify presentation of the target in retaining paths.

runtime/observatory/lib/src/elements/instance_ref.dart

 // Copyright (c) 2013, 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:html';
 import 'dart:async';
 import 'package:observatory/models.dart' as M;
 import 'package:observatory/src/elements/curly_block.dart';
 import 'package:observatory/src/elements/field_ref.dart';
 import 'package:observatory/src/elements/helpers/any_ref.dart';
@@ skipping 120 matching lines @@
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..text = _instance.name
         ];
       case M.InstanceKind.closure:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..children = [
               new SpanElement()
                 ..classes = ['emphasize']
                 ..text = 'Closure',
-              new SpanElement()..text = _instance.closureFunction.name
+              new SpanElement()..text = ' (${_instance.closureFunction.name})'
             ]
         ];
       case M.InstanceKind.regExp:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..children = [
               new SpanElement()
                 ..classes = ['emphasize']
                 ..text = _instance.clazz.name,
-              new SpanElement()..text = _instance.pattern.name
+              new SpanElement()..text = ' (${_instance.pattern.valueAsString})'
             ]
         ];
       case M.InstanceKind.stackTrace:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
-            ..text = _instance.clazz.name,
-          new CurlyBlockElement(queue: _r.queue)
-            ..content = [
-              new DivElement()
-                ..classes = ['stackTraceBox']
-                ..text = _instance.valueAsString
+            ..children = [
+              new SpanElement()
+                ..classes = ['emphasize']
+                ..text = _instance.clazz.name,
             ]
         ];
       case M.InstanceKind.plainInstance:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..classes = ['emphasize']
             ..text = _instance.clazz.name
         ];
       case M.InstanceKind.list:
       case M.InstanceKind.map:
@@ skipping 26 matching lines @@
             ..classes = ['emphasize']
             ..text = _instance.clazz.name
         ];
       case M.InstanceKind.weakProperty:
         return [
           new AnchorElement(href: Uris.inspect(_isolate, object: _instance))
             ..classes = ['emphasize']
             ..text = _instance.clazz.name
         ];
     }
-    throw new Exception('Unkown InstanceKind: ${_instance.kind}');
+    throw new Exception('Unknown InstanceKind: ${_instance.kind}');
   }
 
   bool _hasValue() {
     switch (_instance.kind) {
       case M.InstanceKind.plainInstance:
       case M.InstanceKind.mirrorReference:
+      case M.InstanceKind.stackTrace:
       case M.InstanceKind.weakProperty:
         return true;
       case M.InstanceKind.list:
       case M.InstanceKind.map:
       case M.InstanceKind.uint8ClampedList:
       case M.InstanceKind.uint8List:
       case M.InstanceKind.uint16List:
       case M.InstanceKind.uint32List:
       case M.InstanceKind.uint64List:
       case M.InstanceKind.int8List:
@@ skipping 65 matching lines @@
         return _loadedInstance.typedElements
             .map((e) => new DivElement()..text = '[ ${index++} ] : $e')
             .toList()
               ..addAll(_createShowMoreButton());
       case M.InstanceKind.mirrorReference:
         return [
           new SpanElement()..text = '<referent> : ',
           new InstanceRefElement(_isolate, _loadedInstance.referent, _instances,
               queue: _r.queue)
         ];
+      case M.InstanceKind.stackTrace:
+        return [
+          new DivElement()
+            ..classes = ['stackTraceBox']
+            ..text = _instance.valueAsString
+        ];
       case M.InstanceKind.weakProperty:
         return [
           new SpanElement()..text = '<key> : ',
           new InstanceRefElement(_isolate, _loadedInstance.key, _instances,
               queue: _r.queue),
           new BRElement(),
           new SpanElement()..text = '<value> : ',
           new InstanceRefElement(_isolate, _loadedInstance.value, _instances,
               queue: _r.queue),
         ];
       default:
         return [];
     }
   }
 }