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=675b548dc0e169421ac79ca841a47cd01c393813;hpb=8b55faddb06e3c4b0a13839210bb49170939b33e;p=helm.git diff --git a/helm/ocaml/cic_proof_checking/cicTypeChecker.mli b/helm/ocaml/cic_proof_checking/cicTypeChecker.mli index 675b548dc..28f134e07 100644 --- a/helm/ocaml/cic_proof_checking/cicTypeChecker.mli +++ b/helm/ocaml/cic_proof_checking/cicTypeChecker.mli @@ -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