;;
+(*
let replace_metas (* context *) term =
let module C = Cic in
let rec aux = function
in
aux term
;;
+*)
+(*
let restore_metas (* context *) term =
let module C = Cic in
let rec aux = function
in
aux term
;;
+*)
-
+(*
let rec restore_subst (* context *) subst =
List.map
(fun (i, (c, t, ty)) ->
i, (c, restore_metas (* context *) t, ty))
subst
;;
+*)
let rec check_irl start = function
| Cic.Meta (i, l) -> check_irl 1 l
| Cic.Rel _ -> true
| Cic.Const _ -> true
+ | Cic.MutInd (_, _, []) -> true
+ | Cic.MutConstruct (_, _, _, []) -> true
| _ -> false
;;
unif subst menv t s
| C.Meta _, t when occurs_check subst s t ->
raise (U.UnificationFailure "Inference.unification.unif")
- | C.Meta (i, l), t ->
- let _, _, ty = CicUtil.lookup_meta i menv in
- let subst =
- if not (List.mem_assoc i subst) then (i, (context, t, ty))::subst
- else subst
- in
- let menv = List.filter (fun (m, _, _) -> i <> m) menv in
- subst, menv
+ | C.Meta (i, l), t -> (
+ try
+ let _, _, ty = CicUtil.lookup_meta i menv in
+ let subst =
+ if not (List.mem_assoc i subst) then (i, (context, t, ty))::subst
+ else subst
+ in
+ let menv = menv in (* List.filter (fun (m, _, _) -> i <> m) menv in *)
+ subst, menv
+ with CicUtil.Meta_not_found m ->
+ let names = names_of_context context in
+ debug_print (
+ Printf.sprintf "Meta_not_found %d!: %s %s\n%s\n\n%s" m
+ (CicPp.pp t1 names) (CicPp.pp t2 names)
+ (print_metasenv menv) (print_metasenv metasenv));
+ assert false
+ )
| _, C.Meta _ -> unif subst menv t s
| C.Appl (hds::_), C.Appl (hdt::_) when hds <> hdt ->
raise (U.UnificationFailure "Inference.unification.unif")
List.fold_left2
(fun (subst', menv) s t -> unif subst' menv s t)
(subst, menv) tls tlt
- with e ->
+ with Invalid_argument _ ->
raise (U.UnificationFailure "Inference.unification.unif")
)
| _, _ -> raise (U.UnificationFailure "Inference.unification.unif")
in
let subst, menv = unif [] metasenv t1 t2 in
+ let menv =
+ List.filter
+ (fun (m, _, _) ->
+ try let _ = List.find (fun (i, _) -> m = i) subst in false
+ with Not_found -> true)
+ menv
+ in
List.rev subst, menv, ugraph
;;
let unification metasenv context t1 t2 ugraph =
(* Printf.printf "| unification %s %s\n" (CicPp.ppterm t1) (CicPp.ppterm t2); *)
let subst, menv, ug =
- if not (is_simple_term t1) || not (is_simple_term t2) then
+ if not (is_simple_term t1) || not (is_simple_term t2) then (
+ debug_print (
+ Printf.sprintf "NOT SIMPLE TERMS: %s %s"
+ (CicPp.ppterm t1) (CicPp.ppterm t2));
CicUnification.fo_unif metasenv context t1 t2 ugraph
- else
+ ) else
unification_simple metasenv context t1 t2 ugraph
in
let rec fix_term = function
List.fold_left2
(fun (subst, menv) s t -> do_match subst menv s t)
(subst, menv) ls lt
- with e ->
+ with Invalid_argument _ ->
(* print_endline (Printexc.to_string e); *)
(* Printf.printf "NO MATCH: %s %s\n" (CicPp.ppterm s) (CicPp.ppterm t); *)
(* print_newline (); *)
(* print_newline (); *)
subst, metasenv, ugraph
- with e ->
+ with
+ | CicUnification.UnificationFailure _
+ | CicUnification.Uncertain _ ->
(* Printf.printf "failed to match %s %s\n" *)
(* (CicPp.ppterm t1) (CicPp.ppterm t2); *)
(* print_endline (Printexc.to_string e); *)
let module S = CicSubstitution in
let module C = Cic in
- let print_info = false in
-
(* let _ = *)
(* let names = names_of_context context in *)
(* Printf.printf "beta_expand:\nwhat: %s, %s\nwhere: %s, %s\n" *)
(* else *)
((C.Rel (1 + lift_amount), subst', metasenv', ugraph')::res,
lifted_term)
- with e ->
- if print_info then (
- print_endline ("beta_expand ERROR!: " ^ (Printexc.to_string e));
- );
- res, lifted_term
+ with
+ | MatchingFailure
+ | CicUnification.UnificationFailure _
+ | CicUnification.Uncertain _ ->
+ res, lifted_term
in
(* Printf.printf "exit aux\n"; *)
retval
(* if match_only then replace_metas (\* context *\) where *)
(* else where *)
(* in *)
- if print_info then (
- Printf.printf "searching %s inside %s\n"
- (CicPp.ppterm what) (CicPp.ppterm where);
- );
aux 0 where context metasenv [] ugraph
in
let mapfun =
let module S = CicSubstitution in
let module T = CicTypeChecker in
let newmeta = ProofEngineHelpers.new_meta_of_proof ~proof in
+ let ok_types ty menv =
+ List.for_all (fun (_, _, mt) -> mt = ty) menv
+ in
let rec aux index newmeta = function
| [] -> [], newmeta
| (Some (_, C.Decl (term)))::tl ->
(* let newmeta = ProofEngineHelpers.new_meta_of_proof ~proof in *)
let (head, newmetas, args, newmeta) =
ProofEngineHelpers.saturate_term newmeta []
- context (S.lift index term)
+ context (S.lift index term) 0
in
let p =
if List.length args = 0 then
in (
match head with
| C.Appl [C.MutInd (uri, _, _); ty; t1; t2]
- when UriManager.eq uri eq_uri ->
- Printf.printf "OK: %s\n" (CicPp.ppterm term);
+ when (UriManager.eq uri eq_uri) && (ok_types ty newmetas) ->
+ debug_print (
+ Printf.sprintf "OK: %s" (CicPp.ppterm term));
+(* debug_print ( *)
+(* Printf.sprintf "args: %s\n" *)
+(* (String.concat ", " (List.map CicPp.ppterm args))); *)
+(* debug_print ( *)
+(* Printf.sprintf "newmetas:\n%s\n" *)
+(* (print_metasenv newmetas)); *)
let o = !Utils.compare_terms t1 t2 in
let w = compute_equality_weight ty t1 t2 in
let proof = BasicProof p in
"cic:/Coq/Init/Logic/f_equal.con";
"cic:/Coq/Init/Logic/f_equal2.con";
"cic:/Coq/Init/Logic/f_equal3.con";
- "cic:/Coq/Init/Logic/sym_eq.con"
+ "cic:/Coq/Init/Logic/sym_eq.con";
+(* "cic:/Coq/Logic/Eqdep/UIP_refl.con"; *)
+(* "cic:/Coq/Init/Peano/mult_n_Sm.con"; *)
+
+ (* ALB !!!! questo e` imbrogliare, ma x ora lo lasciamo cosi`...
+ perche' questo cacchio di teorema rompe le scatole :'( *)
+ "cic:/Rocq/SUBST/comparith/mult_n_2.con";
]
;;
let candidates =
List.fold_left
(fun l uri ->
+ let suri = UriManager.string_of_uri uri in
if UriManager.UriSet.mem uri equations_blacklist then
l
else
let iseq uri =
(UriManager.eq uri eq_uri1) || (UriManager.eq uri eq_uri2)
in
+ let ok_types ty menv =
+ List.for_all (fun (_, _, mt) -> mt = ty) menv
+ in
let rec aux newmeta = function
| [] -> [], newmeta
| (term, termty)::tl ->
+ debug_print (
+ Printf.sprintf "Examining: %s (%s)"
+ (UriManager.string_of_uri (CicUtil.uri_of_term term))(* (CicPp.ppterm term) *) (CicPp.ppterm termty));
let res, newmeta =
match termty with
| C.Prod (name, s, t) ->
let head, newmetas, args, newmeta =
- ProofEngineHelpers.saturate_term newmeta [] context termty
+ ProofEngineHelpers.saturate_term newmeta [] context termty 0
in
let p =
if List.length args = 0 then
C.Appl (term::args)
in (
match head with
- | C.Appl [C.MutInd (uri, _, _); ty; t1; t2] when iseq uri ->
- Printf.printf "OK: %s\n" (CicPp.ppterm term);
+ | C.Appl [C.MutInd (uri, _, _); ty; t1; t2]
+ when (iseq uri) && (ok_types ty newmetas) ->
+ debug_print (
+ Printf.sprintf "OK: %s" (CicPp.ppterm term));
let o = !Utils.compare_terms t1 t2 in
let w = compute_equality_weight ty t1 t2 in
let proof = BasicProof p in
| None ->
aux newmeta tl
in
- aux maxmeta candidates
+ let found, maxm = aux maxmeta candidates in
+ (List.fold_left
+ (fun l e ->
+ if List.exists (meta_convertibility_eq e) l then (
+ debug_print (
+ Printf.sprintf "NO!! %s already there!" (string_of_equality e));
+ l
+ )
+ else e::l)
+ [] found), maxm
;;
(* (i, (context, Cic.Meta (j, l), ty))::s *)
let _, context, ty = CicUtil.lookup_meta i menv in
(i, (context, Cic.Meta (j, l), ty))::s
- with _ -> s
+ with Not_found -> s
)
| _ -> assert false)
[] args
projects / helm.git / blobdiff