* (source, list of coercions to follow, target)
*)
let get_closure_coercions src tgt uri coercions =
+ let enrich (uri,sat,_) tgt =
+ let arity = match tgt with CoercDb.Fun n -> n | _ -> 0 in
+ uri,sat,arity
+ in
+ let uri = enrich uri tgt in
let eq_carr ?exact s t =
- try
- CoercDb.eq_carr ?exact s t
- with
- | CoercDb.EqCarrNotImplemented _ | CoercDb.EqCarrOnNonMetaClosed -> false
+ debug_print(lazy(CoercDb.string_of_carr s^" VS "^CoercDb.string_of_carr t));
+ let rc = CoercDb.eq_carr ?exact s t in
+ debug_print(lazy(string_of_bool rc));
+ rc
in
match src,tgt with
| CoercDb.Uri _, CoercDb.Uri _ ->
+ debug_print (lazy ("Uri, Uri4"));
let c_from_tgt =
List.filter
- (fun (f,t,_) -> eq_carr f tgt (*&& not (eq_carr t src)*))
+ (fun (f,t,_) ->
+ debug_print (lazy ("Uri, Uri3"));
+ eq_carr f tgt)
coercions
in
let c_to_src =
List.filter
- (fun (f,t,_) -> eq_carr t src (*&& not (eq_carr f tgt)*))
+ (fun (f,t,_) ->
+ debug_print (lazy ("Uri, Uri2"));
+ eq_carr t src)
coercions
in
(HExtlib.flatten_map
(fun (_,t,ul) ->
if eq_carr ~exact:true src t then [] else
- List.map (fun u -> src,[uri; u],t) ul) c_from_tgt) @
+ List.map (fun u -> src,[uri; enrich u t],t) ul) c_from_tgt) @
(HExtlib.flatten_map
- (fun (s,_,ul) ->
+ (fun (s,t,ul) ->
if eq_carr ~exact:true s tgt then [] else
- List.map (fun u -> s,[u; uri],tgt) ul) c_to_src) @
+ List.map (fun u -> s,[enrich u t; uri],tgt) ul) c_to_src) @
(HExtlib.flatten_map
- (fun (s,_,u1l) ->
+ (fun (s,t1,u1l) ->
HExtlib.flatten_map
(fun (_,t,u2l) ->
HExtlib.flatten_map
(fun u1 ->
+ debug_print (lazy ("Uri, Uri1"));
if eq_carr ~exact:true s t
|| eq_carr ~exact:true s tgt
|| eq_carr ~exact:true src t
then [] else
List.map
- (fun u2 -> (s,[u1;uri;u2],t))
+ (fun u2 -> (s,[enrich u1 t1;uri;enrich u2 t],t))
u2l)
u1l)
c_from_tgt)
exception UnableToCompose
(* generate_composite (c2 (c1 s)) in the universe graph univ
- * both living in the same context and metasenv *)
-let generate_composite' (c1,sat1) (c2,sat2) context metasenv univ arity =
+ both living in the same context and metasenv
+
+ c2 ?p2 (c1 ?p1 ?x ?s1) ?s2
+
+ where:
+ ?pn + 1 + ?sn = count_pi n - arity n
+*)
+let generate_composite' (c1,sat1,arity1) (c2,sat2,arity2) context metasenv univ=
let original_metasenv = metasenv in
let c1_ty,univ = CicTypeChecker.type_of_aux' metasenv context c1 univ in
let c2_ty,univ = CicTypeChecker.type_of_aux' metasenv context c2 univ in
names
in
let compose c1 nc1 c2 nc2 =
- Cic.Appl (CicSubstitution.lift 1 c2 :: mk_implicits (nc2 - sat2 - 1) @
- Cic.Appl (CicSubstitution.lift 1 c1 :: mk_implicits nc1 ) ::
+ Cic.Appl ((*CicSubstitution.lift 1*) c2 :: mk_implicits (nc2 - sat2 - 1) @
+ Cic.Appl ((*CicSubstitution.lift 1*) c1 :: mk_implicits nc1 ) ::
mk_implicits sat2)
in
let rec create_subst_from_metas_to_rels n = function
| t -> t
in
let skip_appl = function | Cic.Appl l -> List.tl l | _ -> assert false in
+ let rec metas_of_term_and_types t =
+ let metas = CicUtil.metas_of_term t in
+ let types =
+ List.flatten
+ (List.map
+ (fun (i,_) -> try
+ let _,_,ty = CicUtil.lookup_meta i body_metasenv in metas_of_term_and_types ty
+ with CicUtil.Meta_not_found _ -> [])
+ metas)
+ in
+ metas @ types
+ in
+ let sorted_metas_of_term world t =
+ let metas = metas_of_term_and_types t in
+ (* this check should be useless *)
+ let metas = List.filter (fun (i,_)->List.exists (fun (j,_,_) -> j=i) world) metas in
+ let order_metas metasenv metas =
+ let module OT = struct type t = int let compare = Pervasives.compare end in
+ let module S = HTopoSort.Make (OT) in
+ let dep i =
+ try
+ let _,_,ty = List.find (fun (j,_,_) -> j=i) metasenv in
+ let metas = List.map fst (CicUtil.metas_of_term ty) in
+ HExtlib.list_uniq (List.sort Pervasives.compare metas)
+ with Not_found -> []
+ in
+ S.topological_sort (List.map (fun (i,_) -> i) metas) dep
+ in
+ order_metas world metas
+ in
let metas_that_saturate l =
List.fold_left
(fun (acc,n) t ->
- let metas = CicUtil.metas_of_term t in
- let metas = List.map fst metas in
+ let metas = sorted_metas_of_term body_metasenv t in
let metas =
List.filter (fun i -> List.for_all (fun (j,_) -> j<>i) acc) metas in
let metas = List.map (fun i -> i,n) metas in
let meta_to_be_coerced =
try
match List.nth l_c1 (c1_pis - sat1 - 1) with
- | Cic.Meta (i,_) -> i
- | _ -> assert false
+ | Cic.Meta (i,_) -> Some i
+ | t ->
+ debug_print
+ (lazy("meta_to_be_coerced: " ^ CicPp.ppterm t));
+ debug_print
+ (lazy("c1_pis: " ^ string_of_int c1_pis ^
+ " sat1:" ^ string_of_int sat1));
+ None
with
Failure _ -> assert false
in
- let meta2no = fst (metas_that_saturate (l_c2_b @ l_c1 @ l_c2_a)) in
+ (* BIG HACK ORRIBLE:
+ * it should be (l_c2_b @ l_c1 @ l_c2_a), but in this case sym (eq_f) gets
+ * \A,B,f,x,y,Exy and not \B,A,f,x,y,Exy
+ * as an orrible side effect, the other composites get a type lyke
+ * \A,x,y,Exy,B,f with 2 saturations
+ *)
+ let meta2no = fst (metas_that_saturate (l_c1 @ l_c2_b @ l_c2_a)) in
let sorted =
List.sort
(fun (i,ctx1,ty1) (j,ctx1,ty1) ->
| (i,_,_)::_ when i = n -> acc
| _::tl -> position_of n (acc + 1) tl
in
- debug_print
- (lazy ("META_TO_BE_COERCED: " ^ string_of_int meta_to_be_coerced));
- let position_of_meta_to_be_coerced =
- position_of meta_to_be_coerced 0 sorted in
- debug_print (lazy ("POSITION_OF_META_TO_BE_COERCED: " ^
- string_of_int position_of_meta_to_be_coerced));
- debug_print (lazy ("SATURATIONS: " ^
- string_of_int (List.length sorted - position_of_meta_to_be_coerced - 1)));
- sorted, List.length sorted - position_of_meta_to_be_coerced - 1
+ let saturations_res, position_of_meta_to_be_coerced =
+ match meta_to_be_coerced with
+ | None -> 0,0
+ | Some meta_to_be_coerced ->
+ debug_print
+ (lazy ("META_TO_BE_COERCED: " ^ string_of_int meta_to_be_coerced));
+ let position_of_meta_to_be_coerced =
+ position_of meta_to_be_coerced 0 sorted in
+ debug_print (lazy ("POSITION_OF_META_TO_BE_COERCED: " ^
+ string_of_int position_of_meta_to_be_coerced));
+ List.length sorted - position_of_meta_to_be_coerced - 1,
+ position_of_meta_to_be_coerced
+ in
+ debug_print (lazy ("SATURATIONS: " ^ string_of_int saturations_res));
+ sorted, saturations_res, position_of_meta_to_be_coerced
in
let namer l n =
let l = List.map (function Cic.Name s -> s | _ -> "A") l in
debug_print (lazy ("\nCOMPOSING"));
debug_print (lazy (" c1= "^CicPp.ppterm c1 ^" : "^ CicPp.ppterm c1_ty));
debug_print (lazy (" c2= "^CicPp.ppterm c2 ^" : "^ CicPp.ppterm c2_ty));
- let c1_pis, names_c1 = count_pis c1_ty 0 in
- let c2_pis, names_c2 = count_pis c2_ty arity in
+ let c1_pis, names_c1 = count_pis c1_ty arity1 in
+ let c2_pis, names_c2 = count_pis c2_ty arity2 in
let c = compose c1 c1_pis c2 c2_pis in
let spine_len = c1_pis + c2_pis in
let c = mk_lambda_spine c (namer (names_c1 @ names_c2)) spine_len in
debug_print (lazy ("COMPOSTA: " ^ CicPp.ppterm c));
let old_insert_coercions = !CicRefine.insert_coercions in
- let c, metasenv, univ, saturationsres =
+ let c, metasenv, univ, saturationsres, cpos =
try
CicRefine.insert_coercions := false;
let term, ty, metasenv, ugraph =
CicRefine.type_of_aux' metasenv context c univ
in
debug_print(lazy("COMPOSED REFINED: "^CicPp.ppterm term));
+ debug_print(lazy("COMPOSED REFINED (pretty): "^
+ CicMetaSubst.ppterm_in_context [] ~metasenv term context));
(* let metasenv = order_metasenv metasenv in *)
(* debug_print(lazy("ORDERED MENV: "^CicMetaSubst.ppmetasenv [] metasenv)); *)
let body_metasenv, lambdas_metasenv =
in
debug_print(lazy("B_MENV: "^CicMetaSubst.ppmetasenv [] body_metasenv));
debug_print(lazy("L_MENV: "^CicMetaSubst.ppmetasenv [] lambdas_metasenv));
- let body_metasenv, saturationsres =
+ let body_metasenv, saturationsres, cpos =
order_body_menv term body_metasenv c1_pis c2_pis
in
debug_print(lazy("ORDERED_B_MENV: "^CicMetaSubst.ppmetasenv [] body_metasenv));
debug_print (lazy ("MENV: "^CicMetaSubst.ppmetasenv [] metasenv));
debug_print (lazy ("####################"));
CicRefine.insert_coercions := old_insert_coercions;
- term, metasenv, ugraph, saturationsres
+ term, metasenv, ugraph, saturationsres, cpos
with
| CicRefine.RefineFailure s
| CicRefine.Uncertain s -> debug_print s;
CicRefine.insert_coercions := old_insert_coercions;
raise exn
in
- c, metasenv, univ, saturationsres
+ c, metasenv, univ, saturationsres, arity2, cpos
;;
let build_obj c univ arity =
(* removes from l the coercions that are in !coercions *)
let filter_duplicates l coercions =
List.filter (
- fun (src,l1,tgt) ->
- not (List.exists (fun (s,t,l2) ->
- CoercDb.eq_carr s src &&
- CoercDb.eq_carr t tgt &&
- try
- List.for_all2 (fun (u1,_) (u2,_) -> UriManager.eq u1 u2) l1 l2
- with
- | Invalid_argument "List.for_all2" -> false)
- coercions))
+ fun (src,l1,tgt) ->
+ not (List.exists (fun (s,t,l2) ->
+ CoercDb.eq_carr s src &&
+ CoercDb.eq_carr t tgt &&
+ try
+ List.for_all2 (fun (u1,_,_) (u2,_,_) -> UriManager.eq u1 u2) l1 l2
+ with
+ | Invalid_argument "List.for_all2" ->
+ debug_print (lazy("XXX")); false)
+ coercions))
l
+;;
let mangle s t l =
(*List.fold_left
let close_coercion_graph src tgt uri saturations baseuri =
(* check if the coercion already exists *)
let coercions = CoercDb.to_list () in
- let todo_list = get_closure_coercions src tgt (uri,saturations) coercions in
+ let todo_list = get_closure_coercions src tgt (uri,saturations,0) coercions in
+ debug_print (lazy("composed " ^ string_of_int (List.length todo_list)));
let todo_list = filter_duplicates todo_list coercions in
try
let new_coercions =
List.fold_left
(fun acc (src, l , tgt) ->
try
- (match l with
+ match l with
| [] -> assert false
- | (he,saturations1) :: tl ->
- let arity = match tgt with CoercDb.Fun n -> n | _ -> 0 in
+ | (he,saturations1,arity1) :: tl ->
let first_step =
- Cic.Constant ("",
- Some (CoercDb.term_of_carr (CoercDb.Uri he)),
- Cic.Sort Cic.Prop, [], obj_attrs arity), saturations1
+ Cic.Constant ("", Some (CicUtil.term_of_uri he),
+ Cic.Sort Cic.Prop, [], obj_attrs arity1),
+ saturations1,
+ arity1,0
in
let o,_ =
- List.fold_left (fun (o,univ) (coer,saturations) ->
+ List.fold_left (fun (o,univ) (coer,saturations2,arity2) ->
match o with
- | Cic.Constant (_,Some u,_,[],_),saturations1 ->
- let t, menv, univ, saturationsres =
- generate_composite' (u,saturations1)
- (CoercDb.term_of_carr (CoercDb.Uri coer),
- saturations) [] [] univ arity
+ | Cic.Constant (_,Some u,_,[],_),saturations1,arity1,_ ->
+ let t, menv, univ, saturationsres, arityres, cposres =
+ generate_composite' (u,saturations1,arity1)
+ (CicUtil.term_of_uri coer,
+ saturations2, arity2) [] [] univ
in
if (menv = []) then
HLog.warn "MENV non empty after composing coercions";
- let o,univ = build_obj t univ arity in
- (o,saturationsres),univ
+ let o,univ = build_obj t univ arityres in
+ (o,saturationsres,arityres,cposres),univ
| _ -> assert false
- ) (first_step, CicUniv.empty_ugraph) tl
+ ) (first_step, CicUniv.oblivion_ugraph) tl
in
- let name_src = CoercDb.name_of_carr src in
- let name_tgt = CoercDb.name_of_carr tgt in
- let by = List.map (fun u,_ -> UriManager.name_of_uri u) l in
+ let name_src = CoercDb.string_of_carr src in
+ let name_tgt = CoercDb.string_of_carr tgt in
+ let by = List.map (fun u,_,_ -> UriManager.name_of_uri u) l in
let name = mangle name_tgt name_src by in
let c_uri =
number_if_already_defined baseuri name
- (List.map (fun (_,_,u,_,_) -> u) acc)
+ (List.map (fun (_,_,u,_,_,_,_) -> u) acc)
in
- let named_obj,saturations =
+ let named_obj,saturations,arity,cpos =
match o with
- | Cic.Constant (_,bo,ty,vl,attrs),saturations ->
- Cic.Constant (name,bo,ty,vl,attrs),saturations
+ | Cic.Constant (_,bo,ty,vl,attrs),saturations,arity,cpos ->
+ Cic.Constant (name,bo,ty,vl,attrs),saturations,arity,cpos
| _ -> assert false
in
- (src,tgt,c_uri,saturations,named_obj))::acc
+ (src,tgt,c_uri,saturations,named_obj,arity,cpos)::acc
with UnableToCompose -> acc
) [] todo_list
in
(* generate_composite (c2 (c1 s)) in the universe graph univ
* both living in the same context and metasenv *)
-let generate_composite c1 c2 context metasenv univ arity =
- let a,b,c,_ =
- generate_composite' (c1,0) (c2,0) context metasenv univ arity
+let generate_composite c1 c2 context metasenv univ sat1 sat2 =
+ let a,b,c,_,_,_ =
+ generate_composite' (c1,sat1,0) (c2,sat2,0) context metasenv univ
in
a,b,c
;;