From cad810f21b803229eb11403f9209855525a25d57 Mon Sep 17 00:00:00 2001
From: Steve Block <steveblock@google.com>
Date: Fri, 6 May 2011 11:45:16 +0100
Subject: Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
---
 Source/JavaScriptCore/wtf/ValueCheck.h | 53 ++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 Source/JavaScriptCore/wtf/ValueCheck.h

(limited to 'Source/JavaScriptCore/wtf/ValueCheck.h')

diff --git a/Source/JavaScriptCore/wtf/ValueCheck.h b/Source/JavaScriptCore/wtf/ValueCheck.h
new file mode 100644
index 0000000..2a86eb0
--- /dev/null
+++ b/Source/JavaScriptCore/wtf/ValueCheck.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2010 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. 
+ */
+
+#ifndef ValueCheck_h
+#define ValueCheck_h
+
+#include <wtf/FastMalloc.h>
+
+namespace WTF {
+
+template<typename T> struct ValueCheck {
+    typedef T TraitType;
+    static void checkConsistency(const T&) { }
+};
+
+#if !ASSERT_DISABLED
+template<typename P> struct ValueCheck<P*> {
+    typedef P* TraitType;
+    static void checkConsistency(const P* p)
+    {
+        if (!p)
+            return;
+        ASSERT(fastMallocSize(p));
+        ValueCheck<P>::checkConsistency(*p);
+    }
+};
+#endif
+
+}
+
+#endif // ValueCheck_h
-- 
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