diff options
Diffstat (limited to 'src/sail_lib.ml')
| -rw-r--r-- | src/sail_lib.ml | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/sail_lib.ml b/src/sail_lib.ml index 81685bec..6e2deff7 100644 --- a/src/sail_lib.ml +++ b/src/sail_lib.ml @@ -644,6 +644,15 @@ let spaces_matches_prefix s = | 0 -> ZNone () | n -> ZSome ((), Big_int.of_int n) +let hex_bits_6_matches_prefix s = + match maybe_int_of_prefix s with + | ZNone () -> ZNone () + | ZSome (n, len) -> + let n = Big_int.to_int n in + if 0 <= n && n < 64 then + ZSome ((bits_of_int 32 n, len)) + else + ZNone () let hex_bits_12_matches_prefix s = match maybe_int_of_prefix s with |