X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicEnvironment.mli;h=4604bd2fdf2fe4a49537862fe88fc3f53f2ebf9b;hb=1b70a1f66be53f76e475383e86d63c2b5c1fbcaa;hp=048dd7b96a46bd8cde85da950bbe556b075214b4;hpb=cf4da27b865107f9b89f3d2726f14d6e2694c548;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicEnvironment.mli b/helm/software/components/ng_kernel/nCicEnvironment.mli
index 048dd7b96..4604bd2fd 100644
--- a/helm/software/components/ng_kernel/nCicEnvironment.mli
+++ b/helm/software/components/ng_kernel/nCicEnvironment.mli
@@ -13,12 +13,26 @@
 
 exception CircularDependency of string Lazy.t;;
 exception ObjectNotFound of string Lazy.t;;
-exception BadDependency of string Lazy.t;;
+exception BadDependency of string Lazy.t * exn;;
+exception BadConstraint of string Lazy.t;;
 
 val get_checked_obj: NUri.uri -> NCic.obj
 
 val get_relevance: NReference.reference -> bool list
 
+val type0: NCic.universe
+val max: NCic.universe -> NCic.universe -> NCic.universe
+(* universe_* raise BadConstraints if the second arg. is an inferred universe *)
+val universe_eq: NCic.universe -> NCic.universe -> bool
+val universe_leq: NCic.universe -> NCic.universe -> bool
+(* add_constraint raise BadConstraint in case of universe inconsistency
+   or if the second argument is an inferred universe
+   true -> strict check (<); false -> loose check (<=)
+*)
+val add_constraint: bool -> NCic.universe -> NCic.universe -> unit
+val sup : NCic.universe -> NCic.universe option
+val pp_constraints: unit -> string
+
 val get_checked_def:
   NReference.reference -> 
     NCic.relevance * string * NCic.term * NCic.term * NCic.c_attr * int
@@ -32,8 +46,6 @@ val get_checked_fixes_or_cofixes:
   NReference.reference -> 
    NCic.inductiveFun list * NCic.f_attr * int
 
-val get_indty_leftno: NReference.reference -> int
-
 val invalidate: unit -> unit
 
 val set_typecheck_obj: (NCic.obj -> unit) -> unit