|  | // Copyright 2015 The Chromium 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 "tonic/dart_gc_visitor.h" | 
|  |  | 
|  | #include "tonic/dart_gc_context.h" | 
|  |  | 
|  | namespace tonic { | 
|  |  | 
|  | DartGCVisitor::DartGCVisitor(DartGCContext* context) | 
|  | : context_(context), current_set_(nullptr) { | 
|  | } | 
|  |  | 
|  | DartGCVisitor::~DartGCVisitor() { | 
|  | } | 
|  |  | 
|  | void DartGCVisitor::AddToSetForRoot(const void* root, | 
|  | Dart_WeakPersistentHandle handle) { | 
|  | Dart_WeakReferenceSet set = context_->AddToSetForRoot(root, handle); | 
|  | DCHECK(!current_set_ || current_set_ == set); | 
|  | current_set_ = set; | 
|  | } | 
|  |  | 
|  | }  // namespace tonic |