+#if 1
+#define mono_assert(expr) G_STMT_START{ \
+ if (!(expr)) \
+ { \
+ MonoException *ex; \
+ char *msg = g_strdup_printf ("file %s: line %d (%s): " \
+ "assertion failed: (%s)", __FILE__, __LINE__, \
+ __PRETTY_FUNCTION__, #expr); \
+ ex = mono_get_exception_execution_engine (msg); \
+ g_free (msg); \
+ mono_raise_exception (ex); \
+ }; }G_STMT_END
+
+#define mono_assert_not_reached() G_STMT_START{ \
+ MonoException *ex; \
+ char *msg = g_strdup_printf ("file %s: line %d (%s): " \
+ "should not be reached", __FILE__, __LINE__, __PRETTY_FUNCTION__); \
+ ex = mono_get_exception_execution_engine (msg); \
+ g_free (msg); \
+ mono_raise_exception (ex); \
+}G_STMT_END
+#else
+#define mono_assert(expr) g_assert(expr)
+#define mono_assert_not_reached() g_assert_not_reached()
+#endif
+
+#define MONO_CHECK_ARG(arg, expr) G_STMT_START{ \