- Add different types for persistent and weak persistent handles

runtime/vm/object.h

 // Copyright (c) 2012, 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_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 2032 matching lines @@
     Object& obj_;
     intptr_t cur_token_pos_;
     Token::Kind cur_token_kind_;
     intptr_t cur_token_obj_index_;
   };
 
  private:
   void SetPrivateKey(const String& value) const;
 
   static RawTokenStream* New();
-  static void DataFinalizer(Dart_Handle handle, void *peer);
+  static void DataFinalizer(Dart_WeakPersistentHandle handle, void *peer);
 
   FINAL_HEAP_OBJECT_IMPLEMENTATION(TokenStream, Object);
   friend class Class;
 };
 
 
 class Script : public Object {
  public:
   RawString* url() const { return raw_ptr()->url_; }
   bool HasSource() const;
@@ skipping 2680 matching lines @@
     return &(raw_ptr(str)->external_data_->data()[index]);
   }
 
   static void SetExternalData(const String& str,
                               ExternalStringData<uint8_t>* data) {
     ASSERT(str.IsExternalOneByteString());
     NoGCScope no_gc;
     raw_ptr(str)->external_data_ = data;
   }
 
-  static void Finalize(Dart_Handle handle, void* peer);
+  static void Finalize(Dart_WeakPersistentHandle handle, void* peer);
 
   static RawExternalOneByteString* ReadFrom(SnapshotReader* reader,
                                             intptr_t object_id,
                                             intptr_t tags,
                                             Snapshot::Kind kind);
 
   friend class Class;
   friend class String;
   friend class SnapshotReader;
 };
@@ skipping 45 matching lines @@
     return &(raw_ptr(str)->external_data_->data()[index]);
   }
 
   static void SetExternalData(const String& str,
                               ExternalStringData<uint16_t>* data) {
     ASSERT(str.IsExternalTwoByteString());
     NoGCScope no_gc;
     raw_ptr(str)->external_data_ = data;
   }
 
-  static void Finalize(Dart_Handle handle, void* peer);
+  static void Finalize(Dart_WeakPersistentHandle handle, void* peer);
 
   static RawExternalTwoByteString* ReadFrom(SnapshotReader* reader,
                                             intptr_t object_id,
                                             intptr_t tags,
                                             Snapshot::Kind kind);
 
   friend class Class;
   friend class String;
   friend class SnapshotReader;
 };
@@ skipping 989 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_