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[helm.git] / helm / software / components / grafite_engine / grafiteEngine.ml

diff --git a/helm/software/components/grafite_engine/grafiteEngine.ml b/helm/software/components/grafite_engine/grafiteEngine.ml
index ceaa759622a741ab37768c6482fd415a0b62494e..5c418ac9d22eb54e1d14134d888f3e9c2f0abe02 100644 (file)
--- a/helm/software/components/grafite_engine/grafiteEngine.ml
+++ b/helm/software/components/grafite_engine/grafiteEngine.ml
@@ -637,12 +637,14 @@ let basic_eval_ncoercion (name,t,s,d,p,a) status =
          in
          let ty = NCicTypeChecker.typeof ~metasenv:[] ~subst:[] [] bo in
          let src,tgt = src_tgt_of_ty_cpos_arity ty pos arity in
+(*
          prerr_endline (
            NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] bo ^ " : " ^
            NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] ty ^ " as " ^
            NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] src ^ " ===> " ^
            NCicPp.ppterm ~metasenv:[] ~subst:[] ~context:[] tgt ^
            " cpos=" ^ string_of_int pos ^ " arity=" ^ string_of_int arity);
+*)
          Some (bo,src,tgt,arity,pos)
        with 
        | NCicTypeChecker.TypeCheckerFailure _
@@ -700,6 +702,12 @@ let src_tgt_cpos_arity_of_ty_id_src_tgt status ty id src tgt =
   status, src, tgt, cpos, arity
 ;;
 
+let basic_eval_and_inject_ncoercion infos status =
+ let status = basic_eval_ncoercion infos status in
+ let dump = inject_ncoercion infos::status#dump in
+  status#set_dump dump
+;;
+
 let eval_ncoercion status name t ty (id,src) tgt = 
 
  let metasenv,subst,status,ty =
@@ -712,12 +720,10 @@ let eval_ncoercion status name t ty (id,src) tgt =
  let t = NCicUntrusted.apply_subst subst [] t in
 
  let status, src, tgt, cpos, arity = 
-   src_tgt_cpos_arity_of_ty_id_src_tgt status ty id src tgt
+   src_tgt_cpos_arity_of_ty_id_src_tgt status ty id src tgt in
+ let status =
+  basic_eval_and_inject_ncoercion (name,t,src,tgt,cpos,arity) status
  in
-
- let status = basic_eval_ncoercion (name,t,src,tgt,cpos,arity) status in
- let dump = inject_ncoercion (name,t,src,tgt,cpos,arity)::status#dump in
- let status = status#set_dump dump in
   status,`New []
 ;;
 
@@ -960,31 +966,69 @@ let rec eval_ncommand opts status (text,prefix_len,cmd) =
           | _ -> obj_kind
         in
         let obj = uri,height,[],[],obj_kind in
-         let status = NCicLibrary.add_obj status obj in
-       prerr_endline (NCicPp.ppobj obj);
-         let boxml = NCicElim.mk_elims obj in
+        let old_status = status in
+        let status = NCicLibrary.add_obj status obj in
+        HLog.message ("New object: " ^ NUri.string_of_uri uri);
+         (try
+       (*prerr_endline (NCicPp.ppobj obj);*)
+           let boxml = NCicElim.mk_elims obj in
+           let boxml = boxml @ NCicElim.mk_projections obj in
 (*
-         let objs = [] in
-         let timestamp,uris_rev =
-           List.fold_left
-            (fun (status,uris_rev) (uri,_,_,_,_) as obj ->
-              let status = NCicLibrary.add_obj status obj in
-               status,uri::uris_rev
-            ) (status,[]) objs in
-         let uris = uri::List.rev uris_rev in
+           let objs = [] in
+           let timestamp,uris_rev =
+             List.fold_left
+              (fun (status,uris_rev) (uri,_,_,_,_) as obj ->
+                let status = NCicLibrary.add_obj status obj in
+                 status,uri::uris_rev
+              ) (status,[]) objs in
+           let uris = uri::List.rev uris_rev in
 *)
-         let status = status#set_ng_mode `CommandMode in
-let status = LexiconSync.add_aliases_for_objs status (`New [uri]) in
-         List.fold_left
-          (fun (status,uris) boxml ->
-            let status,nuris =
-             eval_ncommand opts status
-              ("",0,GrafiteAst.NObj (HExtlib.dummy_floc,boxml))
-            in
-             match uris,nuris with
-                `New uris, `New nuris -> status,`New (nuris@uris)
-              | _ -> assert false
-          ) (status,`New [] (* uris *)) boxml
+           let status = status#set_ng_mode `CommandMode in
+           let status = LexiconSync.add_aliases_for_objs status (`New [uri]) in
+           let status,uris =
+            List.fold_left
+             (fun (status,uris) boxml ->
+               try
+                let status,nuris =
+                 eval_ncommand opts status
+                  ("",0,GrafiteAst.NObj (HExtlib.dummy_floc,boxml))
+                in
+                 match uris,nuris with
+                    `New uris, `New nuris -> status,`New (nuris@uris)
+                  | _ -> assert false
+               with
+                NCicTypeChecker.TypeCheckerFailure msg
+                 when Lazy.force msg =
+                 "Sort elimination not allowed" ->
+                  status,uris
+             ) (status,`New [] (* uris *)) boxml in
+           let coercions =
+            match obj with
+              _,_,_,_,NCic.Inductive
+               (true,leftno,[_,_,_,[_,_,_]],(_,`Record fields))
+               ->
+                HExtlib.filter_map
+                 (fun (name,is_coercion,arity) ->
+                   if is_coercion then Some(name,leftno,arity) else None) fields
+            | _ -> [] in
+           let status =
+            List.fold_left
+             (fun status (name,cpos,arity) ->
+               let metasenv,subst,status,t =
+                GrafiteDisambiguate.disambiguate_nterm None status [] [] []
+                 ("",0,CicNotationPt.Ident (name,None)) in
+               assert (metasenv = [] && subst = []);
+               let ty = NCicTypeChecker.typeof ~subst ~metasenv [] t in
+               let src,tgt = src_tgt_of_ty_cpos_arity ty cpos arity in
+                basic_eval_and_inject_ncoercion (name,t,src,tgt,cpos,arity)
+                 status
+             ) status coercions
+           in
+            status,uris
+          with
+           exn ->
+            NCicLibrary.time_travel old_status;
+            raise exn)
   | GrafiteAst.NCopy (log,tgt,src_uri, map) ->
      if status#ng_mode <> `CommandMode then
       raise (GrafiteTypes.Command_error "Not in command mode")
@@ -1011,7 +1055,7 @@ let status = LexiconSync.add_aliases_for_objs status (`New [uri]) in
        in
        let ninitial_stack = Continuationals.Stack.of_nmetasenv [] in
        let status = status#set_obj (tgt_uri,0,[],[],ok) in
-       prerr_endline (NCicPp.ppobj (tgt_uri,0,[],[],ok));
+       (*prerr_endline (NCicPp.ppobj (tgt_uri,0,[],[],ok));*)
        let status = status#set_stack ninitial_stack in
        let status = subst_metasenv_and_fix_names status in
        let status = status#set_ng_mode `ProofMode in