X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matitaB%2Fcomponents%2Fng_disambiguation%2FgrafiteDisambiguate.mli;h=fd9615cde7e5acbdc24bed36259677ebe3c6fe62;hb=3c8da07d7a5d7cf0432a83732a6d103f527afaef;hp=fcea29e437b80c9d1c5812bd1bfeda961cab292a;hpb=dee464f8cd331524663167659d1fad01e558d4e1;p=helm.git

diff --git a/matitaB/components/ng_disambiguation/grafiteDisambiguate.mli b/matitaB/components/ng_disambiguation/grafiteDisambiguate.mli
index fcea29e43..fd9615cde 100644
--- a/matitaB/components/ng_disambiguation/grafiteDisambiguate.mli
+++ b/matitaB/components/ng_disambiguation/grafiteDisambiguate.mli
@@ -28,6 +28,7 @@ type db
 class type g_status =
  object
   inherit Interpretations.g_status
+  inherit NCicLibrary.g_status
   method disambiguate_db: db
  end
 
@@ -36,12 +37,25 @@ class virtual status :
  object ('self)
   inherit g_status
   inherit Interpretations.status
+  inherit NCicLibrary.status
   method set_disambiguate_db: db -> 'self
   method reset_disambiguate_db: unit -> 'self
   method set_disambiguate_status: #g_status -> 'self
  end
 
-(* val eval_with_new_aliases:
+(* reports disambiguation errors *)
+exception Error of 
+  (* location of a choice point *)
+  (Stdpp.location * 
+    (* one possible choice (or no valid choice) *)
+    (GrafiteAst.alias_spec option *
+      (* list of asts together with the failing location and error msg *)  
+      ((Stdpp.location * GrafiteAst.alias_spec) list * 
+        Stdpp.location * string) list) 
+      list) 
+  list
+
+  (* val eval_with_new_aliases:
  #status as 'status -> ('status -> 'a) ->
   ((Stdpp.location * DisambiguateTypes.domain_item) * GrafiteAst.alias_spec) list * 'a
 *)
@@ -52,17 +66,23 @@ val add_to_interpr:
  #status as 'status ->
   (Stdpp.location * GrafiteAst.alias_spec) list -> 'status 
 
+(* val print_interpr:
+ #status as 'status -> unit *)
+
 val add_to_disambiguation_univ:
  #status as 'status ->
   (DisambiguateTypes.domain_item * GrafiteAst.alias_spec) list -> 'status 
 
 val aliases_for_objs:
- #NCic.status -> NUri.uri list ->
+ #NCicLibrary.status -> NUri.uri list ->
   (DisambiguateTypes.domain_item * GrafiteAst.alias_spec) list
 
 (* args: print function, message (may be empty), status *) 
 val dump_aliases: (string -> unit) -> string -> #status -> unit
 
+(* reports the first source of ambiguity and its possible interpretations *)
+exception Ambiguous_input of (Stdpp.location * GrafiteAst.alias_spec list)
+
 exception BaseUriNotSetYet
 
 val disambiguate_nterm :
@@ -81,7 +101,7 @@ type pattern =
   (string * NCic.term) list * NCic.term option
 
 val disambiguate_npattern:
- #NCic.status -> GrafiteAst.npattern Disambiguate.disambiguator_input -> pattern
+ #NCicEnvironment.status -> GrafiteAst.npattern Disambiguate.disambiguator_input -> pattern
 
 val disambiguate_cic_appl_pattern:
  #status ->