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| author | Xiretza <xiretza@xiretza.xyz> | 2020-05-04 21:12:30 +0200 |
|---|---|---|
| committer | Xiretza <xiretza@xiretza.xyz> | 2020-05-07 13:39:34 +0200 |
| commit | 695150b0378528233837348b598033b137b8a949 (patch) | |
| tree | df1720c84ac61299984dde8a0c0ac3bf52c99924 /kernel | |
| parent | a299e606f864942c7edf90c4ad3998f4f4a346cf (diff) | |
| download | yosys-695150b0378528233837348b598033b137b8a949.tar.gz yosys-695150b0378528233837348b598033b137b8a949.tar.bz2 yosys-695150b0378528233837348b598033b137b8a949.zip | |
Add YS_FALLTHROUGH macro to mark case fall-through
C++17 introduced [[fallthrough]], GCC and clang had their own vendored
attributes before that. MSVC doesn't seem to have such a warning at all.
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/yosys.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/yosys.h b/kernel/yosys.h index af1e376b1..62f76a63f 100644 --- a/kernel/yosys.h +++ b/kernel/yosys.h @@ -155,6 +155,16 @@ extern Tcl_Obj *Tcl_ObjSetVar2(Tcl_Interp *interp, Tcl_Obj *part1Ptr, Tcl_Obj *p # define YS_NORETURN #endif +#if __cplusplus >= 201703L +# define YS_FALLTHROUGH [[fallthrough]]; +#elif defined(__GNUC__) +# define YS_FALLTHROUGH [[gnu::fallthrough]]; +#elif defined(__clang__) +# define YS_FALLTHROUGH [[clang::fallthrough]]; +#else +# define YS_FALLTHROUGH +#endif + YOSYS_NAMESPACE_BEGIN // Note: All headers included in hashlib.h must be included |