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Diffstat (limited to 'shared/assert_static.h')
| -rw-r--r-- | shared/assert_static.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/shared/assert_static.h b/shared/assert_static.h new file mode 100644 index 00000000..9eb94f3c --- /dev/null +++ b/shared/assert_static.h @@ -0,0 +1,37 @@ +// ************************************************************************** +// * This file is part of the FreeFileSync project. It is distributed under * +// * GNU General Public License: http://www.gnu.org/licenses/gpl.html * +// * Copyright (C) 2008-2010 ZenJu (zhnmju123 AT gmx.de) * +// ************************************************************************** +// +#ifndef ASSERTSTATIC_H_INCLUDED +#define ASSERTSTATIC_H_INCLUDED + +//compile time assert based on Loki (http://loki-lib.sourceforge.net) + +#ifdef NDEBUG + +#define assert_static(x) ((void)0) + +#else /* debugging enabled */ +namespace StaticCheckImpl +{ +template<int> +struct CompileTimeError; + +template<> +struct CompileTimeError<true> {}; +} + +#define LOKI_CONCAT( X, Y ) LOKI_CONCAT_SUB( X, Y ) +#define LOKI_CONCAT_SUB( X, Y ) X##Y + +#define assert_static(expr) \ + enum { LOKI_CONCAT(loki_enum_dummy_value, __LINE__) = sizeof(StaticCheckImpl::CompileTimeError<static_cast<bool>(expr) >) } + +/*#define assert_static(expr) \ + { Loki::CompileTimeError<((expr) != 0)> Static_Assert_Has_Failed; (void)Static_Assert_Has_Failed; } */ + +#endif + +#endif //ASSERTSTATIC_H_INCLUDED |