Reland v8::Private and related APIs

src/profiler/heap-snapshot-generator.cc

 // Copyright 2013 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/profiler/heap-snapshot-generator.h"
 
 #include "src/code-stubs.h"
 #include "src/conversions.h"
 #include "src/debug/debug.h"
 #include "src/profiler/allocation-tracker.h"
@@ skipping 818 matching lines @@
                       HeapEntry::kConsString,
                       "(concatenated string)");
     if (string->IsSlicedString())
       return AddEntry(object,
                       HeapEntry::kSlicedString,
                       "(sliced string)");
     return AddEntry(object,
                     HeapEntry::kString,
                     names_->GetName(String::cast(object)));
   } else if (object->IsSymbol()) {
-    return AddEntry(object, HeapEntry::kSymbol, "symbol");
+    if (Symbol::cast(object)->is_private())
+      return AddEntry(object, HeapEntry::kHidden, "private symbol");
+    else
+      return AddEntry(object, HeapEntry::kSymbol, "symbol");
   } else if (object->IsCode()) {
     return AddEntry(object, HeapEntry::kCode, "");
   } else if (object->IsSharedFunctionInfo()) {
     String* name = String::cast(SharedFunctionInfo::cast(object)->name());
     return AddEntry(object,
                     HeapEntry::kCode,
                     names_->GetName(name));
   } else if (object->IsScript()) {
     Object* name = Script::cast(object)->name();
     return AddEntry(object,
@@ skipping 2319 matching lines @@
   for (int i = 1; i < sorted_strings.length(); ++i) {
     writer_->AddCharacter(',');
     SerializeString(sorted_strings[i]);
     if (writer_->aborted()) return;
   }
 }
 
 
 }  // namespace internal
 }  // namespace v8