X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_proof_checking%2FcicTypeChecker.mli;h=e9419171e906140ea1c9685ff56e7deba12858d9;hb=55ba0a660f91e491e904dad63b14ddf2bcc2754d;hp=8c0354398e4d375d21eacdf59d9e1940c3818aef;hpb=ef0f69ef068c79109420f8f2afdfd93d19fa6604;p=helm.git diff --git a/helm/ocaml/cic_proof_checking/cicTypeChecker.mli b/helm/ocaml/cic_proof_checking/cicTypeChecker.mli index 8c0354398..e9419171e 100644 --- a/helm/ocaml/cic_proof_checking/cicTypeChecker.mli +++ b/helm/ocaml/cic_proof_checking/cicTypeChecker.mli @@ -23,16 +23,39 @@ * http://cs.unibo.it/helm/. *) -exception NotWellTyped of string -exception WrongUriToConstant of string -exception WrongUriToVariable of string -exception WrongUriToMutualInductiveDefinitions of string -exception ListTooShort -exception NotPositiveOccurrences of string -exception NotWellFormedTypeOfInductiveConstructor of string -exception WrongRequiredArgument of string -val typecheck : UriManager.uri -> unit +(* These are the only exceptions that will be raised *) +exception TypeCheckerFailure of string Lazy.t +exception AssertFailure of string Lazy.t + +(* this function is exported to be used also by the refiner; + the callback function (defaul value: ignore) is invoked on each + processed subterm; its first argument is the undebrujined term (the + input); its second argument the corresponding debrujined term (the + output). The callback is used to relocalize the error messages *) +val debrujin_constructor : + ?cb:(Cic.term -> Cic.term -> unit) -> + UriManager.uri -> int -> Cic.term -> Cic.term + +val typecheck : UriManager.uri -> Cic.obj * CicUniv.universe_graph + +(* FUNCTIONS USED ONLY IN THE TOPLEVEL *) -(* used only in the toplevel *) (* type_of_aux' metasenv context term *) -val type_of_aux': (int * Cic.term) list -> Cic.term list -> Cic.term -> Cic.term +val type_of_aux': + ?subst:Cic.substitution -> Cic.metasenv -> Cic.context -> + Cic.term -> CicUniv.universe_graph -> + Cic.term * CicUniv.universe_graph + +(* 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