X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_proof_checking%2FcicTypeChecker.mli;h=28f134e07ce925cbfd506bcd4e1d974d0d8da708;hb=4167cea65ca58897d1a3dbb81ff95de5074700cc;hp=5cbda28d638100874cf69a8836492947c996e56b;hpb=358cefe50cccd4cb7d8e2a9cecb7efcb5780b8a3;p=helm.git

diff --git a/helm/ocaml/cic_proof_checking/cicTypeChecker.mli b/helm/ocaml/cic_proof_checking/cicTypeChecker.mli
index 5cbda28d6..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
 
@@ -41,3 +41,14 @@ val type_of_aux':
 
 (* 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