X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_proof_checking%2FcicTypeChecker.mli;h=28f134e07ce925cbfd506bcd4e1d974d0d8da708;hb=97c2d258a5c524eb5c4b85208899d80751a2c82f;hp=a845a332d350e9b05b21b4d15da4d04166053742;hpb=0aa359c7943ea10c70ae1ec053062c658b28b8ce;p=helm.git

diff --git a/helm/ocaml/cic_proof_checking/cicTypeChecker.mli b/helm/ocaml/cic_proof_checking/cicTypeChecker.mli
index a845a332d..28f134e07 100644
--- a/helm/ocaml/cic_proof_checking/cicTypeChecker.mli
+++ b/helm/ocaml/cic_proof_checking/cicTypeChecker.mli
@@ -24,8 +24,8 @@
  *)
 
 (* These are the only exceptions that will be raised *)
-exception TypeCheckerFailure of string
-exception AssertFailure of string
+exception TypeCheckerFailure of string Lazy.t
+exception AssertFailure of string Lazy.t
 
 val debrujin_constructor : UriManager.uri -> int -> Cic.term -> Cic.term
 
@@ -39,10 +39,16 @@ val type_of_aux':
   Cic.term -> CicUniv.universe_graph -> 
   Cic.term * CicUniv.universe_graph
 
-(* does_not_occur context lower upper term                  *)
-(* searches for a Cic.Rel i in term with lower < i <= upper *)
-val does_not_occur : Cic.context -> int -> int -> Cic.term -> bool
-
 (* typechecks the obj and puts it in the environment *)
 val typecheck_obj : UriManager.uri -> Cic.obj -> unit
 
+(* check_allowed_sort_elimination uri i s1 s2
+   This function is used outside the kernel to determine in advance whether
+   a MutCase will be allowed or not.
+   [uri,i] is the type of the term to match
+   [s1] is the sort of the term to eliminate (i.e. the head of the arity
+        of the inductive type [uri,i])
+   [s2] is the sort of the goal (i.e. the head of the type of the outtype
+        of the MutCase) *)
+val check_allowed_sort_elimination:
+ UriManager.uri -> int -> Cic.sort -> Cic.sort -> bool