diff options
Diffstat (limited to 'lib/cErrors.ml')
| -rw-r--r-- | lib/cErrors.ml | 69 |
1 files changed, 25 insertions, 44 deletions
diff --git a/lib/cErrors.ml b/lib/cErrors.ml index 5c56192f..97502211 100644 --- a/lib/cErrors.ml +++ b/lib/cErrors.ml @@ -1,10 +1,12 @@ -(***********************************************************************) -(* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *) -(* \VV/ *************************************************************) -(* // * This file is distributed under the terms of the *) -(* * GNU Lesser General Public License Version 2.1 *) -(***********************************************************************) +(************************************************************************) +(* * The Coq Proof Assistant / The Coq Development Team *) +(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *) +(* <O___,, * (see CREDITS file for the list of authors) *) +(* \VV/ **************************************************************) +(* // * This file is distributed under the terms of the *) +(* * GNU Lesser General Public License Version 2.1 *) +(* * (see LICENSE file for the text of the license) *) +(************************************************************************) open Pp @@ -14,17 +16,7 @@ let push = Backtrace.add_backtrace (* Errors *) -exception Anomaly of string option * std_ppcmds (* System errors *) - -(* XXX: To move to common tagging functions in Pp, blocked on tag - * system cleanup as we cannot define generic error tags now. - * - * Anyways, tagging should not happen here, but in the specific - * listener to the msg_* stuff. - *) -let tag_err_str s = tag Ppstyle.(Tag.inj error_tag tag) (str s) ++ spc () -let err_str = tag_err_str "Error:" -let ann_str = tag_err_str "Anomaly:" +exception Anomaly of string option * Pp.t (* System errors *) let _ = let pr = function @@ -36,25 +28,23 @@ let _ = let make_anomaly ?label pp = Anomaly (label, pp) -let anomaly ?loc ?label pp = match loc with - | None -> raise (Anomaly (label, pp)) - | Some loc -> Loc.raise loc (Anomaly (label, pp)) +let anomaly ?loc ?label pp = + Loc.raise ?loc (Anomaly (label, pp)) let is_anomaly = function | Anomaly _ -> true | _ -> false -exception UserError of string * std_ppcmds (* User errors *) -let error string = raise (UserError("_", str string)) -let errorlabstrm l pps = raise (UserError(l,pps)) - -exception AlreadyDeclared of std_ppcmds (* for already declared Schemes *) -let alreadydeclared pps = raise (AlreadyDeclared(pps)) +exception UserError of string option * Pp.t (* User errors *) let todo s = prerr_string ("TODO: "^s^"\n") -let user_err_loc (loc,s,strm) = Loc.raise loc (UserError (s,strm)) -let invalid_arg_loc (loc,s) = Loc.raise loc (Invalid_argument s) +let user_err ?loc ?hdr strm = Loc.raise ?loc (UserError (hdr, strm)) + +let invalid_arg ?loc s = Loc.raise ?loc (Invalid_argument s) + +exception AlreadyDeclared of Pp.t (* for already declared Schemes *) +let alreadydeclared pps = raise (AlreadyDeclared(pps)) exception Timeout exception Drop @@ -89,7 +79,7 @@ let where = function if !Flags.debug then str "in " ++ str s ++ str ":" ++ spc () else mt () let raw_anomaly e = match e with - | Anomaly (s, pps) -> where s ++ pps ++ str "." + | Anomaly (s, pps) -> where s ++ pps | Assert_failure _ | Match_failure _ -> str (Printexc.to_string e) ++ str "." | _ -> str "Uncaught exception " ++ str (Printexc.to_string e) ++ str "." @@ -103,9 +93,8 @@ let print_backtrace e = match Backtrace.get_backtrace e with let print_anomaly askreport e = if askreport then - hov 0 (ann_str ++ raw_anomaly e ++ spc () ++ - strbrk "Please report at " ++ str Coq_config.wwwbugtracker ++ - str ".") + hov 0 (str "Anomaly" ++ spc () ++ quote (raw_anomaly e)) ++ spc () ++ + hov 0 (str "Please report at " ++ str Coq_config.wwwbugtracker ++ str ".") else hov 0 (raw_anomaly e) @@ -125,7 +114,7 @@ let iprint_no_report (e, info) = let _ = register_handler begin function | UserError(s, pps) -> - hov 0 (err_str ++ where (Some s) ++ pps) + hov 0 (where s ++ pps) | _ -> raise Unhandled end @@ -133,12 +122,14 @@ end by inner functions during a [vernacinterp]. They should be handled only at the very end of interp, to be displayed to the user. *) +[@@@ocaml.warning "-52"] let noncritical = function | Sys.Break | Out_of_memory | Stack_overflow | Assert_failure _ | Match_failure _ | Anomaly _ | Timeout | Drop | Quit -> false | Invalid_argument "equal: functional value" -> false | _ -> true +[@@@ocaml.warning "+52"] (** Check whether an exception is handled *) @@ -148,13 +139,3 @@ let handled e = let bottom _ = raise Bottom in try let _ = print_gen bottom !handle_stack e in true with Bottom -> false - -(** Prints info which is either an error or - an anomaly and then exits with the appropriate - error code *) - -let fatal_error info anomaly = - let msg = info ++ fnl () in - pp_with ~pp_tag:Ppstyle.pp_tag !Pp_control.err_ft msg; - Format.pp_print_flush !Pp_control.err_ft (); - exit (if anomaly then 129 else 1) |