Imported from /home/lorry/working-area/delta_VirtualBox/VirtualBox-4.2.4.tar.bz2.VirtualBox-4.2.4

1 files changed, 108 insertions, 0 deletions

diff --git a/include/VBox/com/assert.h b/include/VBox/com/assert.h
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+/** @file
+ * MS COM / XPCOM Abstraction Layer:
+ * Assertion macros for COM/XPCOM
+ */
+
+/*
+ * Copyright (C) 2006-2007 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef ___VBox_com_assert_h
+#define ___VBox_com_assert_h
+
+#include <iprt/assert.h>
+
+/**
+ *  Asserts that the COM result code is succeeded in strict builds.
+ *  In non-strict builds the result code will be NOREF'ed to kill compiler warnings.
+ *
+ *  @param rc   COM result code
+ */
+#define AssertComRC(rc)      \
+    do { AssertMsg (SUCCEEDED (rc), ("COM RC = %Rhrc (0x%08X)\n", rc, rc)); NOREF (rc); } while (0)
+
+/**
+ *  A special version of AssertComRC that returns the given expression
+ *  if the result code is failed.
+ *
+ *  @param rc   COM result code
+ *  @param ret  the expression to return
+ */
+#define AssertComRCReturn(rc, ret)      \
+    AssertMsgReturn (SUCCEEDED (rc), ("COM RC = %Rhrc (0x%08X)\n", rc, rc), ret)
+
+/**
+ *  A special version of AssertComRC that returns the given result code
+ *  if it is failed.
+ *
+ *  @param rc   COM result code
+ *  @param ret  the expression to return
+ */
+#define AssertComRCReturnRC(rc)         \
+    AssertMsgReturn (SUCCEEDED (rc), ("COM RC = %Rhrc (0x%08X)\n", rc, rc), rc)
+
+/**
+ *  A special version of AssertComRC that returns if the result code is failed.
+ *
+ *  @param rc   COM result code
+ *  @param ret  the expression to return
+ */
+#define AssertComRCReturnVoid(rc)      \
+    AssertMsgReturnVoid (SUCCEEDED (rc), ("COM RC = %Rhrc (0x%08X)\n", rc, rc))
+
+/**
+ *  A special version of AssertComRC that evaluates the given expression and
+ *  breaks if the result code is failed.
+ *
+ *  @param rc   COM result code
+ *  @param eval the expression to evaluate
+ */
+#define AssertComRCBreak(rc, eval)      \
+    if (!SUCCEEDED (rc)) { AssertComRC (rc); eval; break; } else do {} while (0)
+
+/**
+ *  A special version of AssertComRC that evaluates the given expression and
+ *  throws it if the result code is failed.
+ *
+ *  @param rc   COM result code
+ *  @param eval the expression to throw
+ */
+#define AssertComRCThrow(rc, eval)      \
+    if (!SUCCEEDED (rc)) { AssertComRC (rc); throw (eval); } else do {} while (0)
+
+/**
+ *  A special version of AssertComRC that just breaks if the result code is
+ *  failed.
+ *
+ *  @param rc   COM result code
+ */
+#define AssertComRCBreakRC(rc)          \
+    if (!SUCCEEDED (rc)) { AssertComRC (rc); break; } else do {} while (0)
+
+/**
+ *  A special version of AssertComRC that just throws @a rc if the result code is
+ *  failed.
+ *
+ *  @param rc   COM result code
+ */
+#define AssertComRCThrowRC(rc)          \
+    if (!SUCCEEDED (rc)) { AssertComRC (rc); throw rc; } else do {} while (0)
+
+#endif // !___VBox_com_assert_h