X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaExcPp.ml;h=af1aeb882964661d01e722ef905fc3d681c2e545;hb=b92a0ec32215eea5e0452154da54d5a29a84a53e;hp=b79fea6631212e79be1374aa8041800af9c91bc2;hpb=8653d506aacaf019deb3438bd4681ad1000061bd;p=helm.git

diff --git a/helm/matita/matitaExcPp.ml b/helm/matita/matitaExcPp.ml
index b79fea663..af1aeb882 100644
--- a/helm/matita/matitaExcPp.ml
+++ b/helm/matita/matitaExcPp.ml
@@ -31,11 +31,11 @@ let rec to_string =
       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
-  | MatitaTypes.Option_error ("baseuri", "not found" ) -> 
+  | GrafiteTypes.Option_error ("baseuri", "not found" ) -> 
       None,
       "Baseuri not set for this script. "
       ^ "Use 'set \"baseuri\" \"<uri>\".' to set it."
-  | MatitaTypes.Command_error msg -> None, "Error: " ^ 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
@@ -44,12 +44,12 @@ let rec to_string =
   | Unix.Unix_error (code, api, param) ->
       let err = Unix.error_message code in
       None, "Unix Error (" ^ api ^ "): " ^ err
-  | MatitaMoo.Corrupt_moo fname ->
+  | GrafiteMarshal.Corrupt_moo fname ->
       None, sprintf ".moo file '%s' is corrupt (shorter than expected)" fname
-  | MatitaMoo.Checksum_failure fname ->
+  | GrafiteMarshal.Checksum_failure fname ->
       None,
        sprintf "checksum failed for .moo file '%s', please recompile it'" fname
-  | MatitaMoo.Version_mismatch fname ->
+  | GrafiteMarshal.Version_mismatch fname ->
       None,
       sprintf
         (".moo file '%s' has been compiled by a different version of matita, "
@@ -61,24 +61,30 @@ let rec to_string =
      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
   | MatitaDisambiguator.DisambiguationError (offset,errorll) ->
-     let rec aux n =
+     let rec aux n ?(dummy=false) (prev_msg,phases) =
       function
-         [] -> ""
+         [] -> [prev_msg,phases]
        | phase::tl ->
-          aux (n+1) tl ^
-           "***** Errors obtained during phase " ^ string_of_int n ^": *****\n"^
-            String.concat "\n\n"
-             (List.map (fun (floc,msg) ->
-               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
-                "*Error" ^ loc_descr ^ ": " ^ Lazy.force msg) phase) ^
-            "\n\n\n" in
+          let msg =
+           String.concat "\n\n\n"
+            (List.map (fun (floc,msg) ->
+              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
+               "*Error" ^ loc_descr ^ ": " ^ Lazy.force msg) phase)
+          in
+           if msg = prev_msg then
+            aux (n+1) (msg,phases@[n]) tl
+           else
+            (if not dummy then [prev_msg,phases] else []) @
+             (aux (n+1) (msg,[n]) tl) in
      let loc =
       match errorll with
          ((Some floc,_)::_)::_ ->
@@ -90,10 +96,19 @@ let rec to_string =
            {flocb with Lexing.pos_cnum = x}, {floce with Lexing.pos_cnum = y}
           in
            Some floc
-       | _ -> None
+       | _ -> None 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" ^
-        aux 1 errorll
+        explain (aux 1 ~dummy:true ("",[]) errorll)
   | exn -> None, "Uncaught exception: " ^ Printexc.to_string exn