Use of standard OCaml syntax

[helm.git] / matita / components / grafite_engine / nCicCoercDeclaration.ml

diff --git a/matita/components/grafite_engine/nCicCoercDeclaration.ml b/matita/components/grafite_engine/nCicCoercDeclaration.ml
index f1b051d46f229915a02bdfe15daaf9f238a0a3d0..810844b2a5788d25c08d5f6afa0a6f1cb1d66703 100644 (file)
--- a/matita/components/grafite_engine/nCicCoercDeclaration.ml
+++ b/matita/components/grafite_engine/nCicCoercDeclaration.ml
@@ -133,25 +133,27 @@ let src_tgt_cpos_arity_of_ty_id_src_tgt status ty id src tgt =
            (try 
             let metasenv,subst,status,src =
               GrafiteDisambiguate.disambiguate_nterm 
-                status None ctx [] [] ("",0,src) in
+                status `XTSort ctx [] [] ("",0,src) in
             let src = NCicUntrusted.apply_subst status subst [] src in
             (* CHECK that the declared pattern matches the abstraction *)
             let _ = NCicUnification.unify status metasenv subst ctx ty src in
             let src = cleanup_skel status () src in
             status, src, cpos
            with 
-           | NCicUnification.UnificationFailure _
-           | NCicUnification.Uncertain _
-           | MultiPassDisambiguator.DisambiguationError _ ->
-               raise (GrafiteTypes.Command_error "bad source pattern"))
+           | NCicUnification.UnificationFailure msg
+           | NCicUnification.Uncertain msg ->
+               raise (GrafiteTypes.Command_error ("bad source pattern: " ^ 
+Lazy.force msg))
+            | MultiPassDisambiguator.DisambiguationError _ ->
+               raise (GrafiteTypes.Command_error ("bad source pattern: disambiguation error")))
       | _ -> assert false
     in
       aux 0 [] ty
   in
   let status, tgt, arity = 
-    let metasenv,subst,status,tgt =
+    let _metasenv,subst,status,tgt =
       GrafiteDisambiguate.disambiguate_nterm 
-        status None [] [] [] ("",0,tgt) in
+        status `XTSort [] [] [] ("",0,tgt) in
     let tgt = NCicUntrusted.apply_subst status subst [] tgt in
     (* CHECK che sia unificabile mancante *)
     let rec count_prod = function
@@ -179,7 +181,7 @@ let fresh_uri status prefix suffix =
 
 exception Stop;;
 
-let close_graph name t s d to_s from_d p a status =
+let close_graph _name t s d to_s from_d _p a status =
   let c =
     List.find 
      (function (_,_,NCic.Appl (x::_),_,_) -> x = t | _ -> assert false) 
@@ -225,7 +227,7 @@ let close_graph name t s d to_s from_d p a status =
          let pos = 
            match p with 
            | NCic.Meta (p,_) -> pos_in_list p (List.map fst metasenv) 
-           | t -> raise Stop
+           | _t -> raise Stop
          in
          let ty = NCicTypeChecker.typeof status ~metasenv:[] ~subst:[] [] bo in
          let src,tgt = src_tgt_of_ty_cpos_arity status ty pos arity in
@@ -259,11 +261,11 @@ let close_graph name t s d to_s from_d p a status =
 ;;
 
 (* idempotent *)
-let basic_index_ncoercion (name,t,s,d,position,arity) status =
+let basic_index_ncoercion (name,_compose,t,s,d,position,arity) status =
   NCicCoercion.index_coercion status name t s d arity position
 ;;
 
-let basic_eval_ncoercion (name,t,s,d,p,a) status =
+let basic_eval_ncoercion (name,compose,t,s,d,p,a) status =
   let to_s = 
     NCicCoercion.look_for_coercion status [] [] [] skel_dummy s
   in
@@ -271,10 +273,11 @@ let basic_eval_ncoercion (name,t,s,d,p,a) status =
     NCicCoercion.look_for_coercion status [] [] [] d skel_dummy
   in
   let status = NCicCoercion.index_coercion status name t s d a p in
-  let composites = close_graph name t s d to_s from_d p a status in
+  let composites =
+   if compose then close_graph name t s d to_s from_d p a status else [] in
   List.fold_left 
     (fun (uris,infos,st) ((uri,_,_,_,_ as obj),name,t,s,d,p,a) -> 
-      let info = name,t,s,d,p,a in
+      let info = name,compose,t,s,d,p,a in
       let st = NCicLibrary.add_obj st obj in
       let st = basic_index_ncoercion info st in
       uri::uris, info::infos, st)
@@ -282,14 +285,14 @@ let basic_eval_ncoercion (name,t,s,d,p,a) status =
 ;;
 
 let record_ncoercion =
- let aux (name,t,s,d,p,a) ~refresh_uri_in_term =
+ let aux (name,compose,t,s,d,p,a) ~refresh_uri_in_term =
   let t = refresh_uri_in_term t in
   let s = refresh_uri_in_term s in
   let d = refresh_uri_in_term d in
-   basic_index_ncoercion (name,t,s,d,p,a)
+   basic_index_ncoercion (name,compose,t,s,d,p,a)
  in
- let aux_l l ~refresh_uri_in_universe ~refresh_uri_in_term
-  ~refresh_uri_in_reference ~alias_only status
+ let aux_l l ~refresh_uri_in_universe:_ ~refresh_uri_in_term
+  ~refresh_uri_in_reference:_ ~alias_only status
  =
   if not alias_only then
    List.fold_right (aux ~refresh_uri_in_term:(refresh_uri_in_term (status:>NCic.status))) l status
@@ -305,29 +308,29 @@ let basic_eval_and_record_ncoercion infos status =
 ;;
 
 let basic_eval_and_record_ncoercion_from_t_cpos_arity 
-      status (name,t,cpos,arity) 
+      status (name,compose,t,cpos,arity) 
 =
   let ty = NCicTypeChecker.typeof status ~subst:[] ~metasenv:[] [] t in
   let src,tgt = src_tgt_of_ty_cpos_arity status ty cpos arity in
   let status, uris =
-   basic_eval_and_record_ncoercion (name,t,src,tgt,cpos,arity) status
+   basic_eval_and_record_ncoercion (name,compose,t,src,tgt,cpos,arity) status
   in
    status,uris
 ;;
 
-let eval_ncoercion (status: #GrafiteTypes.status) name t ty (id,src) tgt = 
+let eval_ncoercion (status: #GrafiteTypes.status) name compose t ty (id,src) tgt = 
  let metasenv,subst,status,ty =
-  GrafiteDisambiguate.disambiguate_nterm status None [] [] [] ("",0,ty) in
+  GrafiteDisambiguate.disambiguate_nterm status `XTSort [] [] [] ("",0,ty) in
  assert (metasenv=[]);
  let ty = NCicUntrusted.apply_subst status subst [] ty in
  let metasenv,subst,status,t =
-  GrafiteDisambiguate.disambiguate_nterm status (Some ty) [] [] [] ("",0,t) in
+  GrafiteDisambiguate.disambiguate_nterm status (`XTSome ty) [] [] [] ("",0,t) in
  assert (metasenv=[]);
  let t = NCicUntrusted.apply_subst status subst [] t in
  let status, src, tgt, cpos, arity = 
    src_tgt_cpos_arity_of_ty_id_src_tgt status ty id src tgt in
  let status, uris =
-  basic_eval_and_record_ncoercion (name,t,src,tgt,cpos,arity) status
+  basic_eval_and_record_ncoercion (name,compose,t,src,tgt,cpos,arity) status
  in
   status,uris
 ;;