X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Finterface%2FcicSubstitution.ml;fp=helm%2Finterface%2FcicSubstitution.ml;h=0000000000000000000000000000000000000000;hb=fa11ed6dc134f8ad3421c37a97271018e075bbed;hp=e69a8a96a3ab38d3226e9574e8aea3e49f7ce96b;hpb=c03d2c1fdab8d228cb88aaba5ca0f556318bebc5;p=helm.git

diff --git a/helm/interface/cicSubstitution.ml b/helm/interface/cicSubstitution.ml
deleted file mode 100644
index e69a8a96a..000000000
--- a/helm/interface/cicSubstitution.ml
+++ /dev/null
@@ -1,115 +0,0 @@
-let lift n =
- let rec liftaux k =
-  let module C = Cic in
-   function
-      C.Rel m ->
-       if m < k then
-        C.Rel m
-       else
-        C.Rel (m + n)
-    | C.Var _  as t -> t
-    | C.Meta _ as t -> t
-    | C.Sort _ as t -> t
-    | C.Implicit as t -> t
-    | C.Cast (te,ty) -> C.Cast (liftaux k te, liftaux k ty)
-    | C.Prod (n,s,t) -> C.Prod (n, liftaux k s, liftaux (k+1) t)
-    | C.Lambda (n,s,t) -> C.Lambda (n, liftaux k s, liftaux (k+1) t)
-    | C.Appl l -> C.Appl (List.map (liftaux k) l)
-    | C.Const _ as t -> t
-    | C.Abst _  as t -> t
-    | C.MutInd _ as t -> t
-    | C.MutConstruct _ as t -> t
-    | C.MutCase (sp,cookingsno,i,outty,t,pl) ->
-       C.MutCase (sp, cookingsno, i, liftaux k outty, liftaux k t,
-        List.map (liftaux k) pl)
-    | C.Fix (i, fl) ->
-       let len = List.length fl in
-       let liftedfl =
-        List.map
-         (fun (name, i, ty, bo) -> (name, i, liftaux k ty, liftaux (k+len) bo))
-          fl
-       in
-        C.Fix (i, liftedfl)
-    | C.CoFix (i, fl) ->
-       let len = List.length fl in
-       let liftedfl =
-        List.map
-         (fun (name, ty, bo) -> (name, liftaux k ty, liftaux (k+len) bo))
-          fl
-       in
-        C.CoFix (i, liftedfl)
- in
-  liftaux 1
-;;
-
-let subst arg =
- let rec substaux k =
-  let module C = Cic in
-   function
-      C.Rel n as t ->
-       (match n with
-           n when n = k -> lift (k - 1) arg
-         | n when n < k -> t
-         | _            -> C.Rel (n - 1)
-       )
-    | C.Var _ as t  -> t
-    | C.Meta _ as t -> t
-    | C.Sort _ as t -> t
-    | C.Implicit as t -> t
-    | C.Cast (te,ty) -> C.Cast (substaux k te, substaux k ty) (*CSC ??? *)
-    | C.Prod (n,s,t) -> C.Prod (n, substaux k s, substaux (k + 1) t)
-    | C.Lambda (n,s,t) -> C.Lambda (n, substaux k s, substaux (k + 1) t)
-    | C.Appl l -> C.Appl (List.map (substaux k) l)
-    | C.Const _ as t -> t
-    | C.Abst _ as t -> t
-    | C.MutInd _ as t -> t
-    | C.MutConstruct _ as t -> t
-    | C.MutCase (sp,cookingsno,i,outt,t,pl) ->
-       C.MutCase (sp,cookingsno,i,substaux k outt, substaux k t,
-        List.map (substaux k) pl)
-    | C.Fix (i,fl) ->
-       let len = List.length fl in
-       let substitutedfl =
-        List.map
-         (fun (name,i,ty,bo) -> (name, i, substaux k ty, substaux (k+len) bo))
-          fl
-       in
-        C.Fix (i, substitutedfl)
-    | C.CoFix (i,fl) ->
-       let len = List.length fl in
-       let substitutedfl =
-        List.map
-         (fun (name,ty,bo) -> (name, substaux k ty, substaux (k+len) bo))
-          fl
-       in
-        C.CoFix (i, substitutedfl)
- in
-  substaux 1
-;;
-
-let undebrujin_inductive_def uri =
- function
-    Cic.InductiveDefinition (dl,params,n_ind_params) ->
-     let dl' =
-      List.map
-       (fun (name,inductive,arity,constructors) ->
-         let constructors' =
-          List.map
-           (fun (name,ty,r) ->
-             let ty' =
-              let counter = ref (List.length dl) in
-               List.fold_right
-                (fun _ ->
-                  decr counter ;
-                  subst (Cic.MutInd (uri,0,!counter))
-                ) dl ty
-             in
-              (name,ty',r)
-           ) constructors
-         in
-          (name,inductive,arity,constructors')
-       ) dl
-      in
-       Cic.InductiveDefinition (dl', params, n_ind_params)
-  | obj -> obj
-;;