X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fcic_disambiguation%2FcicDisambiguate.ml;h=3e9124e69bd2398c3eef1a02241d4154d1c607b7;hb=1bd6b7d2637d765f11ddbd1218d63474e9d0c63b;hp=ed28894a7f6320c0f326c5b3fbf3ce07c911c2e6;hpb=266fe24a5a5548c30f597ccd38578877643404d3;p=helm.git

diff --git a/helm/software/components/cic_disambiguation/cicDisambiguate.ml b/helm/software/components/cic_disambiguation/cicDisambiguate.ml
index ed28894a7..3e9124e69 100644
--- a/helm/software/components/cic_disambiguation/cicDisambiguate.ml
+++ b/helm/software/components/cic_disambiguation/cicDisambiguate.ml
@@ -37,15 +37,26 @@ let rec string_context_of_context =
 ;;
 
 let refine_term metasenv subst context uri ~use_coercions
- term ugraph ~localization_tbl =
+ term expty ugraph ~localization_tbl =
 (*   if benchmark then incr actual_refinements; *)
   assert (uri=None);
   debug_print (lazy (sprintf "TEST_INTERPRETATION: %s" (CicPp.ppterm term)));
   let saved_use_coercions = !CicRefine.insert_coercions in
   try
     CicRefine.insert_coercions := use_coercions;
+    let term = 
+      match expty with
+      | None -> term
+      | Some ty -> Cic.Cast(term,ty)
+    in
     let term', _, metasenv',ugraph1 = 
 	    CicRefine.type_of_aux' metasenv context term ugraph ~localization_tbl
+    in
+    let term' = 
+      match expty, term' with
+      | None,_ -> term'
+      | Some _,Cic.Cast (term',_) -> term'
+      | _ -> assert false 
     in
      CicRefine.insert_coercions := saved_use_coercions;
      (Disambiguate.Ok (term', metasenv',[],ugraph1))
@@ -66,7 +77,7 @@ let refine_term metasenv subst context uri ~use_coercions
     in
      process_exn Stdpp.dummy_loc exn
 
-let refine_obj metasenv subst context uri ~use_coercions obj ugraph
+let refine_obj metasenv subst context uri ~use_coercions obj _ ugraph
  ~localization_tbl =
    assert (context = []);
    assert (metasenv = []);
@@ -627,25 +638,11 @@ let string_context_of_context =
   List.map (function None -> None | Some (Cic.Name n,_) -> Some n | Some
   (Cic.Anonymous,_) -> Some "_");;
 
-let disambiguate_term ~context ~metasenv ~subst ?goal
+let disambiguate_term ~context ~metasenv ~subst ~expty 
   ?(initial_ugraph = CicUniv.oblivion_ugraph)
   ~mk_implicit ~description_of_alias ~mk_choice
   ~aliases ~universe ~lookup_in_library (text,prefix_len,term)
 =
-  let hint = match goal with
-    | None -> (fun _ x -> x), fun k -> k
-    | Some i ->
-        (fun metasenv t ->
-          let _,c,ty = CicUtil.lookup_meta i metasenv in
-          assert(c=context);
-          Cic.Cast(t,ty)),
-        function  
-        | Disambiguate.Ok (t,m,s,ug) ->
-            (match t with
-            | Cic.Cast(t,_) -> Disambiguate.Ok (t,m,s,ug)
-            | _ -> assert false) 
-        | k -> k
-  in
   let mk_localization_tbl x = Cic.CicHash.create x in
    MultiPassDisambiguator.disambiguate_thing ~context ~metasenv ~subst
     ~initial_ugraph ~aliases ~string_context_of_context
@@ -655,14 +652,13 @@ let disambiguate_term ~context ~metasenv ~subst ?goal
     ~interpretate_thing:(interpretate_term (?create_dummy_ids:None) ~mk_choice)
     ~refine_thing:refine_term (text,prefix_len,term)
     ~mk_localization_tbl
-    ~hint
+    ~expty
     ~freshen_thing:CicNotationUtil.freshen_term
     ~passes:(MultiPassDisambiguator.passes ())
 
 let disambiguate_obj ~mk_implicit ~description_of_alias ~mk_choice
  ~aliases ~universe ~lookup_in_library ~uri (text,prefix_len,obj)
 =
-  let hint = (fun _ x -> x), fun k -> k in
   let mk_localization_tbl x = Cic.CicHash.create x in
   MultiPassDisambiguator.disambiguate_thing ~context:[] ~metasenv:[] ~subst:[] 
     ~aliases ~universe ~uri ~string_context_of_context
@@ -673,7 +669,7 @@ let disambiguate_obj ~mk_implicit ~description_of_alias ~mk_choice
     ~interpretate_thing:(interpretate_obj ~mk_choice)
     ~refine_thing:refine_obj
     ~mk_localization_tbl
-    ~hint
+    ~expty:None
     ~passes:(MultiPassDisambiguator.passes ())
     ~freshen_thing:CicNotationUtil.freshen_obj
     (text,prefix_len,obj)