diff options
Diffstat (limited to 'plugins/syntax/nat_syntax.ml')
| -rw-r--r-- | plugins/syntax/nat_syntax.ml | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/plugins/syntax/nat_syntax.ml b/plugins/syntax/nat_syntax.ml index 5f44904c..a9eb126b 100644 --- a/plugins/syntax/nat_syntax.ml +++ b/plugins/syntax/nat_syntax.ml @@ -6,6 +6,10 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) +(* Poor's man DECLARE PLUGIN *) +let __coq_plugin_name = "nat_syntax_plugin" +let () = Mltop.add_known_module __coq_plugin_name + (* This file defines the printer for natural numbers in [nat] *) (*i*) @@ -13,7 +17,7 @@ open Glob_term open Bigint open Coqlib open Pp -open Errors +open CErrors (*i*) (**********************************************************************) @@ -22,14 +26,16 @@ open Errors let threshold = of_int 5000 +let warn_large_nat = + CWarnings.create ~name:"large-nat" ~category:"numbers" + (fun () -> strbrk "Stack overflow or segmentation fault happens when " ++ + strbrk "working with large numbers in nat (observed threshold " ++ + strbrk "may vary from 5000 to 70000 depending on your system " ++ + strbrk "limits and on the command executed).") + let nat_of_int dloc n = if is_pos_or_zero n then begin - if less_than threshold n then - msg_warning - (strbrk "Stack overflow or segmentation fault happens when " ++ - strbrk "working with large numbers in nat (observed threshold " ++ - strbrk "may vary from 5000 to 70000 depending on your system " ++ - strbrk "limits and on the command executed)."); + if less_than threshold n then warn_large_nat (); let ref_O = GRef (dloc, glob_O, None) in let ref_S = GRef (dloc, glob_S, None) in let rec mk_nat acc n = |