X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=ocaml%2Flambda4.ml;h=02ac1e018ff96f1cb1d9cacb8e85dc58be733adb;hb=f7a60345135a4032bf63a7dc650bcc9fe30aa30a;hp=5422704a52f82a2b00c30323d647e7d2ab41e30f;hpb=608c40045f651c6402b17c437f997de4d63f6afd;p=fireball-separation.git

diff --git a/ocaml/lambda4.ml b/ocaml/lambda4.ml
index 5422704..02ac1e0 100644
--- a/ocaml/lambda4.ml
+++ b/ocaml/lambda4.ml
@@ -27,10 +27,14 @@ type problem =
  ; sigma: (int * nf) list (* the computed substitution *)
  ; deltas: discriminating_set ref list (* collection of all branches *)
  ; initialSpecialK: int
+ ; label : string
+ ; var_names : string list (* names of the original free variables *)
 
  ; trail: discriminating_set list list
 };;
 
+let label_of_problem {label} = label;;
+
 (* exceptions *)
 exception Pacman
 exception Bottom
@@ -75,7 +79,7 @@ let string_of_measure = string_of_int;;
 
 let string_of_problem label ({freshno; div; conv; ps; deltas} as p) =
  Console.print_hline ();
- prerr_string ("\n(* DISPLAY PROBLEM (" ^ label ^ ") - ");
+ prerr_string ("\n(* DISPLAY PROBLEM (" ^ p.label ^ " - " ^ label ^ ") ");
  let nl = "\n" in
  let deltas = String.concat (nl^"   ") (List.map (fun r -> String.concat " <> " (List.map (fun (i,_) -> string_of_int i) !r)) deltas) in
  let l = Array.to_list (Array.init (freshno + 1) string_of_var) in
@@ -806,6 +810,27 @@ let append_zero =
   | `N _ -> raise (Parser.ParsingError " numbers in ps")
 ;;
 
+let tmp (label, div, conv, nums, var_names) =
+ (* DA SPOSTARE NEI TEST: *)
+ let ps = List.map append_zero nums in (* crea lista applicando zeri o dummies *)
+ let ps = sort_uniq ~compare:eta_compare (ps :> nf list) in
+ let ps = List.map (cast_to_i_n_var) ps in
+
+ (* TODO: *)
+ (* replace div with bottom in problem??? *)
+ let all_tms = (match div with None -> [] | Some div -> [(div :> i_n_var)]) @ nums @ conv in
+ if all_tms = [] then failwith "FIXME: empty problem";
+ let initialSpecialK = compute_special_k (Listx.from_list (all_tms :> nf list)) in
+ let freshno = List.length var_names in
+ let deltas =
+  let dummy = `Var (max_int / 2, -666) in
+   [ ref (Array.to_list (Array.init (List.length ps) (fun i -> i, dummy))) ] in
+ let trail = [] in
+ let sigma = [] in
+ let p = {freshno; div; conv; ps; sigma; deltas; initialSpecialK; trail; var_names; label} in
+ p, check p
+;;
+
 let problem_of ~div ~conv ~nums =
  let all_tms = (match div with None -> [] | Some div -> [div]) @ nums @ conv in
  let all_tms, var_names = Parser.parse' all_tms in
@@ -829,20 +854,5 @@ let problem_of ~div ~conv ~nums =
    | #i_n_var as y -> y
    | _ -> raise (Parser.ParsingError "A term in num is not i_n_var")
   ) ps in
- (* DA SPOSTARE NEI TEST: *)
- let ps = List.map append_zero ps in (* crea lista applicando zeri o dummies *)
- let ps = sort_uniq ~compare:eta_compare (ps :> nf list) in
- let ps = List.map (cast_to_i_n_var) ps in
-
- (* TODO: *)
- (* replace div with bottom in problem??? *)
-
- let special_k = compute_special_k (Listx.from_list all_tms) in (* compute initial special K *)
- let freshno = List.length var_names in
- let deltas =
-  let dummy = `Var (max_int / 2, -666) in
-   [ ref (Array.to_list (Array.init (List.length ps) (fun i -> i, dummy))) ] in
- let trail = [] in
- let p = {freshno; div; conv; ps; sigma=[] ; deltas; initialSpecialK=special_k; trail} in
- p, check p
+ tmp("missing label", div, conv, ps, var_names)
 ;;