Collect closure functions in isolate

runtime/vm/isolate.h

 // 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.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/atomic.h"
@@ skipping 647 matching lines @@
                            const Instance& id);
   void RegisterServiceExtensionHandler(const String& name,
                                        const Instance& closure);
   RawInstance* LookupServiceExtensionHandler(const String& name);
 
   static void VisitIsolates(IsolateVisitor* visitor);
 
   // Handle service messages until we are told to resume execution.
   void PauseEventHandler();
 
+  void AddClosureFunction(const Function& function) const;
+  RawFunction* LookupClosureFunction(const Script& script,
+                                     intptr_t token_pos) const;
+  intptr_t FindClosureIndex(const Function& needle) const;
+  RawFunction* ClosureFunctionFromIndex(intptr_t idx) const;
+
   bool is_service_isolate() const { return is_service_isolate_; }
 
   static void KillAllIsolates(LibMsgId msg_id);
   static void KillIfExists(Isolate* isolate, LibMsgId msg_id);
 
   static void DisableIsolateCreation();
   static void EnableIsolateCreation();
 
  private:
   friend class Dart;  // Init, InitOnce, Shutdown.
@@ skipping 315 matching lines @@
   uint8_t* serialized_message_;
   intptr_t serialized_message_len_;
   Isolate::Flags isolate_flags_;
   bool paused_;
   bool errors_are_fatal_;
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_