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Diffstat (limited to 'libdimension/dimension/compiler.h')
| -rw-r--r-- | libdimension/dimension/compiler.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libdimension/dimension/compiler.h b/libdimension/dimension/compiler.h new file mode 100644 index 0000000..5ce8ce8 --- /dev/null +++ b/libdimension/dimension/compiler.h @@ -0,0 +1,52 @@ +/************************************************************************* + * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> * + * * + * This file is part of The Dimension Library. * + * * + * The Dimension Library is free software; you can redistribute it and/ * + * or modify it under the terms of the GNU Lesser General Public License * + * as published by the Free Software Foundation; either version 3 of the * + * License, or (at your option) any later version. * + * * + * The Dimension Library is distributed in the hope that it will be * + * useful, but WITHOUT ANY WARRANTY; without even the implied warranty * + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * Lesser General Public License for more details. * + * * + * You should have received a copy of the GNU Lesser General Public * + * License along with this program. If not, see * + * <http://www.gnu.org/licenses/>. * + *************************************************************************/ + +/** + * @file + * Compiler abstractions. + */ + +/** + * @def DMNSN_INLINE + * A portable inline specifier. Expands to the correct method of declaring + * inline functions for the version of C you are using. + */ +#ifndef DMNSN_INLINE + #ifdef __cplusplus + /* C++ inline semantics */ + #define DMNSN_INLINE inline + #elif __STDC_VERSION__ >= 199901L + /* C99 inline semantics */ + #define DMNSN_INLINE inline + #elif defined(__GNUC__) + /* GCC inline semantics */ + #define DMNSN_INLINE __extension__ extern __inline__ + #else + /* Unknown C - mark functions static and hope the compiler is smart enough + to inline them */ + #define DMNSN_INLINE static + #endif +#endif + +#ifdef __GNUC__ + #define DMNSN_UNREACHABLE() __builtin_unreachable(); +#else + #define DMNSN_UNREACHABLE() +#endif |