Phantom references support internal fields

src/debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 677 matching lines @@
       reinterpret_cast<ScriptCache*>(data.GetParameter());
   HashMap::Entry* entry = script_cache->Lookup(key, hash, false);
   Object** location = reinterpret_cast<Object**>(entry->value);
   script_cache->Remove(key, hash);
 
   // Clear the weak handle.
   GlobalHandles::Destroy(location);
 }
 
 
-void Debug::HandleWeakDebugInfo(
-    const v8::WeakCallbackData<v8::Value, void>& data) {
+void Debug::HandlePhantomDebugInfo(const v8::PhantomCallbackData<void>& data) {
   Debug* debug = reinterpret_cast<Isolate*>(data.GetIsolate())->debug();
   DebugInfoListNode* node =
       reinterpret_cast<DebugInfoListNode*>(data.GetParameter());
   debug->RemoveDebugInfo(node->debug_info().location());
 #ifdef DEBUG
   for (DebugInfoListNode* n = debug->debug_info_list_;
        n != NULL;
        n = n->next()) {
     DCHECK(n != node);
   }
 #endif
 }
 
 
 DebugInfoListNode::DebugInfoListNode(DebugInfo* debug_info): next_(NULL) {
   // Globalize the request debug info object and make it weak.
   GlobalHandles* global_handles = debug_info->GetIsolate()->global_handles();
   debug_info_ = Handle<DebugInfo>::cast(global_handles->Create(debug_info));
-  GlobalHandles::MakeWeak(reinterpret_cast<Object**>(debug_info_.location()),
-                          this, Debug::HandleWeakDebugInfo,
-                          GlobalHandles::Phantom);
+  GlobalHandles::MakePhantom(reinterpret_cast<Object**>(debug_info_.location()),
+                             this, Debug::HandlePhantomDebugInfo);
 }
 
 
 DebugInfoListNode::~DebugInfoListNode() {
   GlobalHandles::Destroy(reinterpret_cast<Object**>(debug_info_.location()));
 }
 
 
 bool Debug::CompileDebuggerScript(Isolate* isolate, int index) {
   Factory* factory = isolate->factory();
@@ skipping 2711 matching lines @@
   logger_->DebugEvent("Put", message.text());
 }
 
 
 void LockingCommandMessageQueue::Clear() {
   base::LockGuard<base::Mutex> lock_guard(&mutex_);
   queue_.Clear();
 }
 
 } }  // namespace v8::internal