X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_kernel%2FnCicEnvironment.mli;h=5128831bea9ed279a6097203e99e253578294e6c;hb=2da35c1dc1aff5f852886ac64d641774f2f187cf;hp=a9feb4d20f22007b8e2798cc1c6f9586d94d455b;hpb=bd1e80fb01cfb419e256d5899ac5bf8818f11e64;p=helm.git

diff --git a/helm/software/components/ng_kernel/nCicEnvironment.mli b/helm/software/components/ng_kernel/nCicEnvironment.mli
index a9feb4d20..5128831be 100644
--- a/helm/software/components/ng_kernel/nCicEnvironment.mli
+++ b/helm/software/components/ng_kernel/nCicEnvironment.mli
@@ -14,7 +14,7 @@
 exception CircularDependency of string Lazy.t;;
 exception ObjectNotFound of string Lazy.t;;
 exception BadDependency of string Lazy.t * exn;;
-exception BadConstraint of string Lazy.t;;
+exception AlreadyDefined of string Lazy.t;;
 
 val set_get_obj: (NUri.uri -> NCic.obj) -> unit
 
@@ -24,19 +24,6 @@ val check_and_add_obj: NCic.obj -> unit
 
 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
@@ -51,10 +38,48 @@ val get_checked_fixes_or_cofixes:
    NCic.inductiveFun list * NCic.f_attr * int
 
 (* invalidate the object and all those that entered the environment after it *)
-val invalidate_obj: NUri.uri -> unit
+val invalidate_item: 
+      [ `Obj of NUri.uri * NCic.obj 
+      | `Constr of NCic.universe * NCic.universe ] -> unit
 
 val invalidate: unit -> unit
 
 val set_typecheck_obj: (NCic.obj -> unit) -> unit
 
+(* =========== universes ============= *)
+
+(* utils *)
+val ppsort : Format.formatter -> NCic.sort -> unit
+val pp_constraints: unit -> string
+val get_universes: unit -> NCic.universe list
+
+(* use to type products *)
+val max: NCic.universe -> NCic.universe -> NCic.universe
+
+(* raise BadConstraints if the second arg. is an inferred universe or
+ * if the added constraint gives circularity *)
+exception BadConstraint of string Lazy.t;;
+val add_lt_constraint: NCic.universe -> NCic.universe -> unit
+val universe_eq: NCic.universe -> NCic.universe -> bool
+val universe_leq: NCic.universe -> NCic.universe -> bool
+val universe_lt: NCic.universe -> NCic.universe -> bool
+
+(* checks if s1 <= s2 *)
+val are_sorts_convertible: test_eq_only:bool -> NCic.sort -> NCic.sort -> bool
+
+(* to type a Match *)
+val allowed_sort_elimination: NCic.sort -> NCic.sort -> [ `Yes | `UnitOnly ]
+
+(* algebraic successor function *)
+exception UntypableSort of string Lazy.t
+exception AssertFailure of string Lazy.t
+val typeof_sort: NCic.sort -> NCic.sort
+
+(* looks for a declared universe that is the least one above the input *)
+val sup : NCic.universe -> NCic.universe option
+val inf : strict:bool -> NCic.universe -> NCic.universe option
+val family_of : NCic.universe -> [ `CProp | `Type ]
+
+(* =========== /universes ============= *)
+
 (* EOF *)