diff options
Diffstat (limited to 'toplevel/coqloop.ml')
| -rw-r--r-- | toplevel/coqloop.ml | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/toplevel/coqloop.ml b/toplevel/coqloop.ml index ae0b94476..7ad8e2c05 100644 --- a/toplevel/coqloop.ml +++ b/toplevel/coqloop.ml @@ -339,6 +339,8 @@ let loop_flush_all () = Format.pp_print_flush !Topfmt.std_ft (); Format.pp_print_flush !Topfmt.err_ft () +let drop_last_doc = ref None + let rec loop ~time ~state = let open Vernac.State in Sys.catch_break true; @@ -353,7 +355,14 @@ let rec loop ~time ~state = not possible due exceptions. *) in vernac_loop ~state with - | CErrors.Drop -> state + | CErrors.Drop -> + (* Due to using exceptions as a form of control, state here goes + out of sync as [do_vernac] will never return. We must thus do + this hack until we make `Drop` a toplevel-only command. See + bug #6872. *) + let state = { state with sid = Stm.get_current_state ~doc:state.doc } in + drop_last_doc := Some state; + state | CErrors.Quit -> exit 0 | any -> top_stderr (str "Anomaly: main loop exited with exception: " ++ |