* http://helm.cs.unibo.it/
*)
+open Printf
+
exception Meta_not_found of int
exception Subst_not_found of int
-
let lookup_meta index metasenv =
try
List.find (fun (index', _, _) -> index = index') metasenv
let xpointer_RE = Str.regexp "\\([^#]+\\)#xpointer(\\(.*\\))"
let slash_RE = Str.regexp "/"
-let term_of_uri s =
- let uri = UriManager.uri_of_string s in
+let term_of_uri uri =
+ let s = UriManager.string_of_uri uri in
try
- (if String.sub s (String.length s - 4) 4 = ".con" then
+ (if UriManager.uri_is_con uri then
Cic.Const (uri, [])
- else if String.sub s (String.length s - 4) 4 = ".var" then
+ else if UriManager.uri_is_var uri then
Cic.Var (uri, [])
else if not (Str.string_match xpointer_RE s 0) then
raise (UriManager.IllFormedUri s)
| Failure _
| Not_found -> raise (UriManager.IllFormedUri s)
+let uri_of_term = function
+ | Cic.Const (uri, [])
+ | Cic.Var (uri, []) -> uri
+ | Cic.MutInd (baseuri, tyno, []) ->
+ UriManager.uri_of_string
+ (sprintf "%s#xpointer(1/%d)" (UriManager.string_of_uri baseuri) (tyno+1))
+ | Cic.MutConstruct (baseuri, tyno, consno, []) ->
+ UriManager.uri_of_string
+ (sprintf "%s#xpointer(1/%d/%d)" (UriManager.string_of_uri baseuri)
+ (tyno + 1) consno)
+ | _ -> raise (Invalid_argument "uri_of_term")
+
+
+(*
+let pack terms =
+ List.fold_right
+ (fun term acc -> Cic.Prod (Cic.Anonymous, term, acc))
+ terms (Cic.Sort (Cic.Type (CicUniv.fresh ())))
+
+let rec unpack = function
+ | Cic.Prod (Cic.Anonymous, term, Cic.Sort (Cic.Type _)) -> [term]
+ | Cic.Prod (Cic.Anonymous, term, tgt) -> term :: unpack tgt
+ | _ -> assert false
+*)
+
+let rec strip_prods n = function
+ | t when n = 0 -> t
+ | Cic.Prod (_, _, tgt) when n > 0 -> strip_prods (n-1) tgt
+ | _ -> failwith "not enough prods"
+
+let params_of_obj = function
+ | Cic.Constant (_, _, _, params, _)
+ | Cic.Variable (_, _, _, params, _)
+ | Cic.CurrentProof (_, _, _, _, params, _)
+ | Cic.InductiveDefinition (_, params, _, _) ->
+ params
+
+let attributes_of_obj = function
+ | Cic.Constant (_, _, _, _, attributes)
+ | Cic.Variable (_, _, _, _, attributes)
+ | Cic.CurrentProof (_, _, _, _, _, attributes)
+ | Cic.InductiveDefinition (_, _, _, attributes) ->
+ attributes
+let rec mk_rels howmany from =
+ match howmany with
+ | 0 -> []
+ | _ -> (Cic.Rel (howmany + from)) :: (mk_rels (howmany-1) from)
+
+let id_of_annterm =
+ function
+ | Cic.ARel (id,_,_,_)
+ | Cic.AVar (id,_,_)
+ | Cic.AMeta (id,_,_)
+ | Cic.ASort (id,_)
+ | Cic.AImplicit (id,_)
+ | Cic.ACast (id,_,_)
+ | Cic.AProd (id,_,_,_)
+ | Cic.ALambda (id,_,_,_)
+ | Cic.ALetIn (id,_,_,_)
+ | Cic.AAppl (id,_)
+ | Cic.AConst (id,_,_)
+ | Cic.AMutInd (id,_,_,_)
+ | Cic.AMutConstruct (id,_,_,_,_)
+ | Cic.AMutCase (id,_,_,_,_,_)
+ | Cic.AFix (id,_,_)
+ | Cic.ACoFix (id,_,_) -> id