X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic%2FcicUtil.mli;h=4deec72419f148f292f75cbda418f4e0d5e3a830;hb=0aaed6f96b856d1181a3cd1f2ef3ea4a91990771;hp=a2548f933026e528f30413882e1f24e876441ae7;hpb=fb3367a180abd237b4096fe398178dd14b994f6d;p=helm.git

diff --git a/helm/ocaml/cic/cicUtil.mli b/helm/ocaml/cic/cicUtil.mli
index a2548f933..4deec7241 100644
--- a/helm/ocaml/cic/cicUtil.mli
+++ b/helm/ocaml/cic/cicUtil.mli
@@ -22,7 +22,47 @@
  * For details, see the HELM World-Wide-Web page,
  * http://helm.cs.unibo.it/
  *)
+
 exception Meta_not_found of int
+exception Subst_not_found of int
 
 val lookup_meta: int -> Cic.metasenv -> Cic.conjecture
+val lookup_subst: int -> Cic.substitution -> Cic.context * Cic.term * Cic.term
+val exists_meta: int -> Cic.metasenv -> bool
+val clean_up_local_context :
+  Cic.substitution -> Cic.metasenv -> int -> (Cic.term option) list 
+  -> (Cic.term option) list
+
+val is_closed : Cic.term -> bool
+val is_meta_closed : Cic.term -> bool
+
+  (** @raise UriManager.IllFormedUri *)
+val term_of_uri: string -> Cic.term
+
+  (** packing/unpacking of several terms into a single one *)
+val pack: Cic.term list -> Cic.term
+val unpack: Cic.term -> Cic.term list
+
+  (** @raise Failure "not enough prods" *)
+val strip_prods: int -> Cic.term -> Cic.term
+
+(** {2 Cic selectors} *)
+
+val params_of_obj: Cic.obj -> UriManager.uri list
+val attributes_of_obj: Cic.obj -> Cic.attribute list
+
+(** {2 Contexts}
+ * A context is a Cic term in which Cic.Implicit terms annotated with `Hole
+ * appears *)
+
+(** create a context from a term and a list of subterm.
+* @param equality equality function used while walking the term. Defaults to
+* physical equality (==) *)
+val context_of:
+  ?equality:(Cic.term -> Cic.term -> bool) -> term:Cic.term -> Cic.term list ->
+    Cic.term
+
+(** select all subterms of a given term matching a given context (i.e. subtrees
+* rooted at context's holes *)
+val select: term:Cic.term -> context:Cic.term -> Cic.term list