Bug fixed: the debrujinate function (hence the one to compute objects height)

[helm.git] / helm / software / components / ng_refiner / nCicMetaSubst.mli

diff --git a/helm/software/components/ng_refiner/nCicMetaSubst.mli b/helm/software/components/ng_refiner/nCicMetaSubst.mli
index 293e3a01f0b3d456a0110fd4daafe573fe0375a2..7bde2c1d6b2c7ea95e1a54ebd0c2d83880bae59f 100644 (file)
--- a/helm/software/components/ng_refiner/nCicMetaSubst.mli
+++ b/helm/software/components/ng_refiner/nCicMetaSubst.mli
@@ -14,22 +14,12 @@
 exception MetaSubstFailure of string Lazy.t
 exception Uncertain of string Lazy.t
 
-(*
-exception AssertFailure of string Lazy.t
-exception DeliftingARelWouldCaptureAFreeVariable;;
-val apply_subst : Cic.substitution -> Cic.term -> Cic.term 
-val apply_subst_context : Cic.substitution -> Cic.context -> Cic.context 
-val apply_subst_metasenv: Cic.substitution -> Cic.metasenv -> Cic.metasenv 
-
-(*** delifting ***)
-
-val restrict :
-  Cic.substitution -> (int * int) list -> Cic.metasenv -> 
-  Cic.metasenv * Cic.substitution 
-*)
+(* the index of the last created meta *)
+val maxmeta: unit -> int
 
 (* the delift function takes in input a metavariable index, a local_context
- * and a term t, and substitutes every Rel in t with its position in
+ * and a term t, and substitutes every subterm t' of t with its position 
+ * (searched up-to unification) in
  * the local_context (which is the Rel moved to the canonical context).
  * Typically, the list of optional terms is the explicit
  * substitution that is applied to a metavariable occurrence and the result of
@@ -67,3 +57,9 @@ val saturate:
     NCic.context -> NCic.term -> int ->
        NCic.term * NCic.metasenv * NCic.term list
 
+val flexible: NCic.substitution -> NCic.term list -> bool
+
+val in_scope_tag : string
+val out_scope_tag : int -> string
+val is_out_scope_tag : string -> bool
+val int_of_out_scope_tag : string -> int