JavaScriptCore-1097.3.tar.gz

[apple/javascriptcore.git] / heap / WeakSetInlines.h

diff --git a/heap/WeakSetInlines.h b/heap/WeakSetInlines.h
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+/*
+ * Copyright (C) 2012 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. AND ITS CONTRIBUTORS ``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 ITS 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.
+ */
+
+#ifndef WeakSetInlines_h
+#define WeakSetInlines_h
+
+#include "WeakSet.h"
+
+namespace JSC {
+
+inline WeakImpl* WeakSet::allocate(JSValue jsValue, WeakHandleOwner* weakHandleOwner, void* context)
+{
+    WeakSet& weakSet = *Heap::heap(jsValue.asCell())->weakSet();
+    WeakBlock::FreeCell* allocator = weakSet.m_allocator;
+    if (UNLIKELY(!allocator))
+        allocator = weakSet.findAllocator();
+    weakSet.m_allocator = allocator->next;
+
+    WeakImpl* weakImpl = WeakBlock::asWeakImpl(allocator);
+    return new (NotNull, weakImpl) WeakImpl(jsValue, weakHandleOwner, context);
+}
+
+} // namespace JSC
+
+#endif // WeakSetInlines_h