1 files changed, 50 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/MapBase.cpp b/Source/JavaScriptCore/runtime/MapBase.cpp
new file mode 100644
index 000000000..6527f8cf2
--- /dev/null
+++ b/Source/JavaScriptCore/runtime/MapBase.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "MapBase.h"
+
+#include "JSCInlines.h"
+
+namespace JSC {
+
+template <typename HashMapBucketType>
+void MapBase<HashMapBucketType>::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    MapBase* thisObject = static_cast<MapBase*>(cell);
+    Base::visitChildren(thisObject, visitor);
+    visitor.append(thisObject->m_map);
+}
+
+template <typename HashMapBucketType>
+size_t MapBase<HashMapBucketType>::estimatedSize(JSCell* cell)
+{
+    return Base::estimatedSize(cell) + static_cast<MapBase*>(cell)->m_map->approximateSize();
+}
+
+template class MapBase<HashMapBucket<HashMapBucketDataKeyValue>>;
+template class MapBase<HashMapBucket<HashMapBucketDataKey>>;
+
+} // namespace JSC