--- /dev/null
+(* Copyright (C) 2004-2005, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+(* $Id$ *)
+
+open Printf
+
+let compact_disambiguation_errors all_passes errorll =
+ let choices =
+ List.flatten
+ (List.map
+ (fun (pass,l) ->
+ List.map
+ (fun (env,diff,offset,msg,significant) ->
+ offset, [[pass], [[pass], env, diff], msg, significant]) l
+ ) errorll) in
+ (* Here we are doing a stable sort and list_uniq returns the latter
+ "equal" element. I.e. we are showing the error corresponding to the
+ most advanced disambiguation pass *)
+ let choices =
+ let choices_compare (o1,_) (o2,_) = compare o1 o2 in
+ let choices_compare_by_passes (p1,_,_,_) (p2,_,_,_) =
+ compare p1 p2 in
+ let rec uniq =
+ function
+ [] -> []
+ | h::[] -> [h]
+ | (o1,res1)::(o2,res2)::tl when o1 = o2 ->
+ let merge_by_name errors =
+ let merge_by_env errors =
+ let choices_compare_by_env (_,e1,_) (_,e2,_) = compare e1 e2 in
+ let choices_compare_by_passes (p1,_,_) (p2,_,_) =
+ compare p1 p2 in
+ let rec uniq_by_env =
+ function
+ [] -> []
+ | h::[] -> [h]
+ | (p1,e1,_)::(p2,e2,d2)::tl when e1 = e2 ->
+ uniq_by_env ((p1@p2,e2,d2) :: tl)
+ | h1::tl -> h1 :: uniq_by_env tl
+ in
+ List.sort choices_compare_by_passes
+ (uniq_by_env (List.stable_sort choices_compare_by_env errors))
+ in
+ let choices_compare_by_msg (_,_,m1,_) (_,_,m2,_) =
+ compare (Lazy.force m1) (Lazy.force m2) in
+ let rec uniq_by_msg =
+ function
+ [] -> []
+ | h::[] -> [h]
+ | (p1,i1,m1,s1)::(p2,i2,m2,s2)::tl
+ when Lazy.force m1 = Lazy.force m2 && s1 = s2 ->
+ uniq_by_msg ((p1@p2,merge_by_env (i1@i2),m2,s2) :: tl)
+ | h1::tl -> h1 :: uniq_by_msg tl
+ in
+ List.sort choices_compare_by_msg
+ (uniq_by_msg (List.stable_sort choices_compare_by_msg errors))
+ in
+ let res = merge_by_name (res1@res2) in
+ uniq ((o1,res) :: tl)
+ | h1::tl -> h1 :: uniq tl
+ in
+ (* Errors in phase 3 that are not also in phase 4 are filtered out *)
+ let filter_phase_3 choices =
+ if all_passes then choices
+ else
+ let filter =
+ HExtlib.filter_map
+ (function
+ (loffset,messages) ->
+ let filtered_messages =
+ HExtlib.filter_map
+ (function
+ [3],_,_,_ -> None
+ | item -> Some item
+ ) messages
+ in
+ if filtered_messages = [] then
+ None
+ else
+ Some (loffset,filtered_messages))
+ in
+ filter choices
+ in
+ filter_phase_3
+ (List.map (fun o,l -> o,List.sort choices_compare_by_passes l)
+ (uniq (List.stable_sort choices_compare choices)))
+ in
+ choices
+;;
+
+let rec to_string =
+ function
+ | HExtlib.Localized (floc,exn) ->
+ let _,msg = to_string exn in
+ let (x, y) = HExtlib.loc_of_floc floc in
+ Some floc, sprintf "Error at %d-%d: %s" x y msg
+ | GrafiteTypes.Command_error msg -> None, "Error: " ^ msg
+ | CicNotationParser.Parse_error err ->
+ None, sprintf "Parse error: %s" err
+ | UriManager.IllFormedUri uri -> None, sprintf "invalid uri: %s" uri
+ | CicEnvironment.Object_not_found uri ->
+ None, sprintf "object not found: %s" (UriManager.string_of_uri uri)
+ | Unix.Unix_error (code, api, param) ->
+ let err = Unix.error_message code in
+ None, "Unix Error (" ^ api ^ "): " ^ err
+ | HMarshal.Corrupt_file fname -> None, sprintf "file '%s' is corrupt" fname
+ | HMarshal.Format_mismatch fname
+ | HMarshal.Version_mismatch fname ->
+ None,
+ sprintf "format/version mismatch for file '%s', please recompile it'"
+ fname
+ | ProofEngineTypes.Fail msg -> None, "Tactic error: " ^ Lazy.force msg
+ | Continuationals.Error s -> None, "Tactical error: " ^ Lazy.force s
+ | ProofEngineHelpers.Bad_pattern msg ->
+ None, "Bad pattern: " ^ Lazy.force msg
+ | CicRefine.RefineFailure msg
+ | CicRefine.AssertFailure msg ->
+ None, "Refiner error: " ^ Lazy.force msg
+ | CicTypeChecker.TypeCheckerFailure msg ->
+ None, "Type checking error: " ^ Lazy.force msg
+ | CicTypeChecker.AssertFailure msg ->
+ None, "Type checking assertion failed: " ^ Lazy.force msg
+ | LibrarySync.AlreadyDefined s ->
+ None, "Already defined: " ^ UriManager.string_of_uri s
+ | CoercDb.EqCarrNotImplemented msg ->
+ None, ("EqCarrNotImplemented: " ^ Lazy.force msg)
+ | MatitaEngine.EnrichedWithLexiconStatus (exn,_) ->
+ None, "EnrichedWithLexiconStatus "^snd(to_string exn)
+ | GrafiteDisambiguator.DisambiguationError (offset,errorll) ->
+ let loc =
+ match errorll with
+ ((_,_,Some floc,_,_)::_)::_ ->
+ let (x, y) = HExtlib.loc_of_floc floc in
+ let x = x + offset in
+ let y = y + offset in
+ let floc = HExtlib.floc_of_loc (x,y) in
+ Some floc
+ | _ -> None in
+ let annotated_errorll =
+ List.rev
+ (snd
+ (List.fold_left (fun (pass,res) item -> pass+1,(pass+1,item)::res)
+ (0,[]) errorll)) in
+ let choices = compact_disambiguation_errors true annotated_errorll in
+ let errorll =
+ (List.map
+ (function (loffset,l) ->
+ List.map
+ (function
+ passes,envs_and_diffs,msg,significant ->
+ let _,env,diff = List.hd envs_and_diffs in
+ passes,env,diff,loffset,msg,significant
+ ) l
+ ) choices) in
+ let rec aux =
+ function
+ [] -> []
+ | phase::tl ->
+ let msg =
+ (List.map (fun (passes,_,_,floc,msg,significant) ->
+ let loc_descr =
+ match floc with
+ None -> ""
+ | Some floc ->
+ let (x, y) = HExtlib.loc_of_floc floc in
+ sprintf " at %d-%d" (x+offset) (y+offset)
+ in
+ "*" ^ (if not significant then "(Spurious?) " else "")
+ ^ "Error" ^ loc_descr ^ ": " ^ Lazy.force msg,
+ passes) phase)
+ in
+ msg@aux tl in
+ let rec explain =
+ function
+ [] -> ""
+ | (msg,phases)::tl ->
+ explain tl ^
+ "***** Errors obtained during phase" ^
+ (if phases = [] then " " else "s ") ^
+ String.concat "," (List.map string_of_int phases) ^": *****\n"^
+ msg ^ "\n\n"
+ in
+ loc,
+ "********** DISAMBIGUATION ERRORS: **********\n" ^
+ explain (aux errorll)
+ | exn -> None, "Uncaught exception: " ^ Printexc.to_string exn
+