1 files changed, 69 insertions, 0 deletions
diff --git a/boost/vmd/detail/assert.hpp b/boost/vmd/detail/assert.hpp
new file mode 100644
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+++ b/boost/vmd/detail/assert.hpp
@@ -0,0 +1,69 @@
+
+//  (C) Copyright Edward Diener 2011-2015
+//  Use, modification and distribution are subject to the Boost Software License,
+//  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt).
+
+#if !defined(BOOST_VMD_DETAIL_ASSERT_HPP)
+#define BOOST_VMD_DETAIL_ASSERT_HPP
+
+#include <boost/preprocessor/debug/assert.hpp>
+#include <boost/preprocessor/variadic/elem.hpp>
+
+#if BOOST_VMD_MSVC
+
+#include <boost/preprocessor/comparison/equal.hpp>
+#include <boost/preprocessor/control/if.hpp>
+#include <boost/preprocessor/control/iif.hpp>
+#include <boost/preprocessor/variadic/size.hpp>
+#include <boost/vmd/empty.hpp>
+
+#define BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_OUTPUT(errstr) \
+    BOOST_PP_ASSERT(0) \
+    typedef char errstr[-1]; \
+/**/
+
+#define BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_DEFAULT(...) \
+    BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_OUTPUT(BOOST_VMD_ASSERT_ERROR) \
+/**/
+
+#define BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_ERRSTR(...) \
+    BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_OUTPUT(BOOST_PP_VARIADIC_ELEM(1,__VA_ARGS__)) \
+/**/
+
+#define BOOST_VMD_DETAIL_ASSERT_TRUE(...) \
+    BOOST_PP_IIF \
+        ( \
+        BOOST_PP_EQUAL \
+            ( \
+            BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), \
+            1 \
+            ), \
+        BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_DEFAULT, \
+        BOOST_VMD_DETAIL_ASSERT_VC_GEN_ERROR_ERRSTR \
+        ) \
+    (__VA_ARGS__) \
+/**/
+
+#define BOOST_VMD_DETAIL_ASSERT(...) \
+    BOOST_PP_IF \
+      ( \
+      BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__), \
+      BOOST_VMD_EMPTY, \
+      BOOST_VMD_DETAIL_ASSERT_TRUE \
+      ) \
+    (__VA_ARGS__) \
+/**/
+
+#else
+
+#define BOOST_VMD_DETAIL_ASSERT_DO(cond) \
+    BOOST_PP_ASSERT(cond) \
+/**/
+
+#define BOOST_VMD_DETAIL_ASSERT(...) \
+    BOOST_VMD_DETAIL_ASSERT_DO(BOOST_PP_VARIADIC_ELEM(0,__VA_ARGS__)) \
+/**/
+
+#endif /* BOOST_VMD_MSVC */
+#endif /* BOOST_VMD_DETAIL_ASSERT_HPP */