(* $Id: terms.mli 9822 2009-06-03 15:37:06Z tassi $ *)
+let reference_of_oxuri = ref (fun _ -> assert false);;
+let set_reference_of_oxuri f = reference_of_oxuri := f;;
+
module type NCicContext =
sig
val metasenv : NCic.metasenv
val context : NCic.context
end
-module NCicBlob(C : NCicContext) : Terms.Blob with type t = NCic.term = struct
+module NCicBlob(C : NCicContext) : Terms.Blob
+with type t = NCic.term and type input = NCic.term = struct
type t = NCic.term
let rec compare x y =
match x,y with
- | NCic.Rel i, NCic.Rel j -> i-j
+ | NCic.Rel i, NCic.Rel j -> j-i
+ | NCic.Meta (i,_), NCic.Meta (j,_) -> i-j
| NCic.Const r1, NCic.Const r2 -> NReference.compare r1 r2
- | NCic.Appl l1, NCic.Appl l2 -> assert false (* TODO *)
+ | NCic.Appl l1, NCic.Appl l2 -> FoUtils.lexicograph compare l1 l2
+ | NCic.Rel _, ( NCic.Meta _ | NCic.Const _ | NCic.Appl _ ) -> ~-1
+ | ( NCic.Meta _ | NCic.Const _ | NCic.Appl _ ), NCic.Rel _ -> 1
+ | NCic.Const _, ( NCic.Meta _ | NCic.Appl _ ) -> ~-1
+ | ( NCic.Meta _ | NCic.Appl _ ), NCic.Const _ -> 1
+ | NCic.Appl _, NCic.Meta _ -> ~-1
+ | NCic.Meta _, NCic.Appl _ -> 1
| _ -> assert false
;;
+
+ let compare x y =
+ if NCicReduction.alpha_eq C.metasenv C.subst C.context x y then 0
+ else compare x y
+ ;;
let pp t =
NCicPp.ppterm ~context:C.context ~metasenv:C.metasenv ~subst:C.subst t;;
+ type input = NCic.term
+
let rec embed = function
| NCic.Meta (i,_) -> Terms.Var i, [i]
| NCic.Appl l ->
let eqP =
let r =
- OCic2NCic.reference_of_oxuri
+ !reference_of_oxuri
(UriManager.uri_of_string
"cic:/matita/logic/equality/eq.ind#xpointer(1/1)")
in
NCic.Const r
;;
-
end