Add a VM page to the observatory.

runtime/bin/vmservice/client/lib/src/service/cache.dart

 // Copyright (c) 2014, 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.
 
 part of service;
 
 /// Abstract [ServiceObjectCache].
 abstract class ServiceObjectCache<T extends ServiceObject> {
   final Isolate isolate;
   final _cache = new ObservableMap<String, T>();
@@ skipping 56 matching lines @@
     this[so.id] = so;
     return so;
   }
 }
 
 class ScriptCache extends ServiceObjectCache<Script> {
   ScriptCache(Isolate isolate) : super(isolate);
 
   bool cachesId(String id) => _matcher.hasMatch(id);
   Script _upgrade(ObservableMap obj) => new Script.fromMap(isolate, obj);
-  static final RegExp _matcher = new RegExp(r'scripts/.+');
+  static final RegExp _matcher = new RegExp(r'^scripts/.+');
 
   void _processCoverage(ServiceMap coverage) {
     assert(coverage.serviceType == 'CodeCoverage');
     var coverageList = coverage['coverage'];
     assert(coverageList != null);
     coverageList.forEach((scriptCoverage) {
       _processScriptCoverage(scriptCoverage);
     });
   }
 
   void _processScriptCoverage(ObservableMap scriptCoverage) {
     // Because the coverage data was upgraded into a ServiceObject,
     // the script can be directly accessed.
     Script script = scriptCoverage['script'];
     script._processHits(scriptCoverage['hits']);
   }
 }
 
 class CodeCache extends ServiceObjectCache<Code> {
   CodeCache(Isolate isolate) : super(isolate);
 
   bool cachesId(String id) => _matcher.hasMatch(id);
   Code _upgrade(ObservableMap obj) => new Code.fromMap(isolate, obj);
 
-  static final RegExp _matcher = new RegExp(r'code/.+');
+  static final RegExp _matcher = new RegExp(r'^code/.+');
 
   List<Code> topExclusive(int count) {
     var codeList = _cache.values.toList();
     codeList.sort((Code a, Code b) {
       return b.exclusiveTicks - a.exclusiveTicks;
     });
     if (codeList.length < count) {
       return codeList;
     }
     codeList.length = count;
@@ skipping 24 matching lines @@
 }
 
 class ClassCache extends ServiceObjectCache<ServiceMap> {
   ClassCache(Isolate isolate) : super(isolate);
 
   bool cachesId(String id) => _matcher.hasMatch(id);
   bool cachesType(String type) => ServiceObject.stripRef(type) == 'Class';
   ServiceMap _upgrade(ObservableMap obj) =>
       new ServiceMap.fromMap(isolate, obj);
 
-  static final RegExp _matcher = new RegExp(r'classes/\d+$');
+  static final RegExp _matcher = new RegExp(r'^classes/\d+$');
 }
 
 class FunctionCache extends ServiceObjectCache<ServiceMap> {
   FunctionCache(Isolate isolate) : super(isolate);
 
   bool cachesId(String id) => _matcher.hasMatch(id);
 
   bool cachesType(String type) => ServiceObject.stripRef(type) == 'Function';
   ServiceMap _upgrade(ObservableMap obj) =>
       new ServiceMap.fromMap(isolate, obj);
 
   static final RegExp _matcher =
       new RegExp(r'^functions/native-.+|'
                  r'^functions/collected-.+|'
                  r'^functions/reused-.+|'
                  r'^functions/stub-.+|'
                  r'^functions/tag-.+|'
                  r'^classes/\d+/functions/.+|'
                  r'^classes/\d+/closures/.+|'
                  r'^classes/\d+/implicit_closures/.+|'
                  r'^classes/\d+/dispatchers/.+');
 }