diff options
Diffstat (limited to 'toplevel/cerrors.ml')
-rw-r--r-- | toplevel/cerrors.ml | 42 |
1 files changed, 25 insertions, 17 deletions
diff --git a/toplevel/cerrors.ml b/toplevel/cerrors.ml index ab9c4c63..f6c5c3af 100644 --- a/toplevel/cerrors.ml +++ b/toplevel/cerrors.ml @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(* $Id: cerrors.ml 8003 2006-02-07 22:11:50Z herbelin $ *) +(* $Id: cerrors.ml 9306 2006-10-28 18:28:19Z herbelin $ *) open Pp open Util @@ -28,19 +28,21 @@ let guill s = "\""^s^"\"" let where s = if !Options.debug then (str"in " ++ str s ++ str":" ++ spc ()) else (mt ()) +let anomaly_string () = str "Anomaly: " + let report () = (str "." ++ spc () ++ str "Please report.") (* assumption : explain_sys_exn does NOT end with a 'FNL anymore! *) -let rec explain_exn_default = function +let rec explain_exn_default_aux anomaly_string report_fn = function | Stream.Failure -> - hov 0 (str "Anomaly: uncaught Stream.Failure.") + hov 0 (anomaly_string () ++ str "uncaught Stream.Failure.") | Stream.Error txt -> hov 0 (str "Syntax error: " ++ str txt) | Token.Error txt -> hov 0 (str "Syntax error: " ++ str txt) | Sys_error msg -> - hov 0 (str "Anomaly: uncaught exception Sys_error " ++ str (guill msg) ++ report ()) + hov 0 (anomaly_string () ++ str "uncaught exception Sys_error " ++ str (guill msg) ++ report_fn ()) | UserError(s,pps) -> hov 1 (str "User error: " ++ where s ++ pps) | Out_of_memory -> @@ -48,26 +50,26 @@ let rec explain_exn_default = function | Stack_overflow -> hov 0 (str "Stack overflow") | Anomaly (s,pps) -> - hov 1 (str "Anomaly: " ++ where s ++ pps ++ report ()) + hov 1 (anomaly_string () ++ where s ++ pps ++ report_fn ()) | Match_failure(filename,pos1,pos2) -> - hov 1 (str "Anomaly: Match failure in file " ++ str (guill filename) ++ + hov 1 (anomaly_string () ++ str "Match failure in file " ++ str (guill filename) ++ if Sys.ocaml_version = "3.06" then (str " from character " ++ int pos1 ++ str " to " ++ int pos2) else (str " at line " ++ int pos1 ++ str " character " ++ int pos2) - ++ report ()) + ++ report_fn ()) | Not_found -> - hov 0 (str "Anomaly: uncaught exception Not_found" ++ report ()) + hov 0 (anomaly_string () ++ str "uncaught exception Not_found" ++ report_fn ()) | Failure s -> - hov 0 (str "Anomaly: uncaught exception Failure " ++ str (guill s) ++ report ()) + hov 0 (anomaly_string () ++ str "uncaught exception Failure " ++ str (guill s) ++ report_fn ()) | Invalid_argument s -> - hov 0 (str "Anomaly: uncaught exception Invalid_argument " ++ str (guill s) ++ report ()) + hov 0 (anomaly_string () ++ str "uncaught exception Invalid_argument " ++ str (guill s) ++ report_fn ()) | Sys.Break -> - hov 0 (fnl () ++ str "User Interrupt.") + hov 0 (fnl () ++ str "User interrupt.") | Univ.UniverseInconsistency -> - hov 0 (str "Error: Universe Inconsistency.") + hov 0 (str "Error: Universe inconsistency.") | TypeError(ctx,te) -> hov 0 (str "Error:" ++ spc () ++ Himsg.explain_type_error ctx te) | PretypeError(ctx,te) -> @@ -97,7 +99,7 @@ let rec explain_exn_default = function | Stdpp.Exc_located (loc,exc) -> hov 0 ((if loc = dummy_loc then (mt ()) else (str"At location " ++ print_loc loc ++ str":" ++ fnl ())) - ++ explain_exn_default exc) + ++ explain_exn_default_aux anomaly_string report_fn exc) | Lexer.Error Illegal_character -> hov 0 (str "Syntax error: Illegal character.") | Lexer.Error Unterminated_comment -> @@ -109,7 +111,7 @@ let rec explain_exn_default = function | Lexer.Error (Bad_token s) -> hov 0 (str "Syntax error: Bad token" ++ spc () ++ str s ++ str ".") | Assert_failure (s,b,e) -> - hov 0 (str "Anomaly: assert failure" ++ spc () ++ + hov 0 (anomaly_string () ++ str "assert failure" ++ spc () ++ (if s <> "" then if Sys.ocaml_version = "3.06" then (str ("(file \"" ^ s ^ "\", characters ") ++ @@ -120,16 +122,22 @@ let rec explain_exn_default = function int (e+6) ++ str ")") else (mt ())) ++ - report ()) + report_fn ()) | reraise -> - hov 0 (str "Anomaly: Uncaught exception " ++ - str (Printexc.to_string reraise) ++ report ()) + hov 0 (anomaly_string () ++ str "Uncaught exception " ++ + str (Printexc.to_string reraise) ++ report_fn ()) + +let explain_exn_default = + explain_exn_default_aux (fun () -> str "Anomaly: ") report let raise_if_debug e = if !Options.debug then raise e let _ = Tactic_debug.explain_logic_error := explain_exn_default +let _ = Tactic_debug.explain_logic_error_no_anomaly := + explain_exn_default_aux (fun () -> mt()) (fun () -> mt()) + let explain_exn_function = ref explain_exn_default let explain_exn e = !explain_exn_function e |