* (source, list of coercions to follow, target)
*)
let get_closure_coercions src tgt uri coercions =
- let enrich (uri,sat) tgt =
+ 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 =
- debug_print (lazy(CoercDb.name_of_carr s^" VS "^CoercDb.name_of_carr t));
- try
- let rc = CoercDb.eq_carr ?exact s t in
- debug_print(lazy(string_of_bool rc));
- rc
- with
- | CoercDb.EqCarrNotImplemented _ | CoercDb.EqCarrOnNonMetaClosed ->
- debug_print (lazy("false"));
- 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"));
+ debug_print (lazy ("Uri, Uri4"));
let c_from_tgt =
List.filter
(fun (f,t,_) ->
-
- debug_print (lazy ("Uri, Uri3"));
- eq_carr f tgt (*&& not (eq_carr t src)*))
+ debug_print (lazy ("Uri, Uri3"));
+ eq_carr f tgt)
coercions
in
let c_to_src =
List.filter
(fun (f,t,_) ->
-
- debug_print (lazy ("Uri, Uri2"));
- eq_carr t src (*&& not (eq_carr f tgt)*))
+ debug_print (lazy ("Uri, Uri2"));
+ eq_carr t src)
coercions
in
(HExtlib.flatten_map
| _ -> [] (* do not close in case source or target is not an indty ?? *)
;;
-let obj_attrs n = [`Class (`Coercion n); `Generated]
-
exception UnableToCompose
(* generate_composite (c2 (c1 s)) in the universe graph univ
| (i,_,_)::_ when i = n -> acc
| _::tl -> position_of n (acc + 1) tl
in
- let saturations_res =
+ let saturations_res, position_of_meta_to_be_coerced =
match meta_to_be_coerced with
- | None -> 0
+ | None -> 0,0
| Some meta_to_be_coerced ->
debug_print
(lazy ("META_TO_BE_COERCED: " ^ string_of_int 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
+ 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
+ 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
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 old_pack_coercions = !CicRefine.pack_coercions in
+ let c, metasenv, univ, saturationsres, cpos =
try
CicRefine.insert_coercions := false;
+ CicRefine.pack_coercions := false;
let term, ty, metasenv, ugraph =
CicRefine.type_of_aux' metasenv context c univ
in
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
+ CicRefine.pack_coercions := old_pack_coercions;
+ term, metasenv, ugraph, saturationsres, cpos
with
| CicRefine.RefineFailure s
| CicRefine.Uncertain s -> debug_print s;
CicRefine.insert_coercions := old_insert_coercions;
+ CicRefine.pack_coercions := old_pack_coercions;
raise UnableToCompose
| exn ->
CicRefine.insert_coercions := old_insert_coercions;
+ CicRefine.pack_coercions := old_pack_coercions;
raise exn
in
- c, metasenv, univ, saturationsres, arity2
+ let c_ty, univ =
+ CicTypeChecker.type_of_aux' ~subst:[] [] [] c univ
+ in
+ let real_composed = ref true in
+ let c =
+ let rec is_id = function
+ | Cic.Lambda(_,_,t) -> is_id t
+ | Cic.Rel 1 -> true
+ | _ -> false
+ in
+ let is_id = function
+ | Cic.Const (u,_) ->
+ (match CicEnvironment.get_obj CicUniv.empty_ugraph u with
+ | Cic.Constant (_,Some bo,_,_,_), _ -> is_id bo
+ | _ -> false)
+ | _ -> false
+ in
+ let unvariant u =
+ match CicEnvironment.get_obj CicUniv.empty_ugraph u with
+ | Cic.Constant (_,Some (Cic.Const (u',_)),_,_,attrs), _
+ when List.exists ((=) (`Flavour `Variant)) attrs ->
+ u'
+ | _ -> u
+ in
+ let is_variant u =
+ match CicEnvironment.get_obj CicUniv.empty_ugraph u with
+ | Cic.Constant (_,Some (Cic.Const (u',_)),_,_,attrs), _
+ when List.exists ((=) (`Flavour `Variant)) attrs -> true
+ | _ -> false
+ in
+ let rec aux = function
+ | Cic.Lambda(n,s,t) -> Cic.Lambda(n,s,aux t)
+ | Cic.Appl (c::_) as t ->
+ let t =
+ if is_id c then
+ (real_composed := false ;
+ CicReduction.head_beta_reduce ~delta:true t)
+ else t
+ in
+ (match t with
+ | Cic.Appl l -> Cic.Appl (List.map aux l)
+ | Cic.Const (u,[]) when is_variant u -> Cic.Const (unvariant u,[])
+ | t -> t)
+ | Cic.Const (u,[]) when is_variant u -> Cic.Const (unvariant u,[])
+ | t -> t
+ in
+ let simple_eta_c t =
+ let incr =
+ List.map (function Cic.Rel n -> Cic.Rel (n+1) | _ -> assert false)
+ in
+ let rec aux acc ctx = function
+ | Cic.Lambda (n,s,tgt) ->
+ aux (incr acc @ [Cic.Rel 1]) (Some (n,Cic.Decl s) ::ctx) tgt
+ | Cic.Appl (t::tl) when tl = acc &&
+ CicTypeChecker.does_not_occur ctx 0 (List.length acc) t -> true, t
+ | t -> false, t
+ in
+ let b, newt = aux [] [] t in
+ if b then newt else t
+ in
+ simple_eta_c (aux c)
+ in
+ debug_print (lazy ("COMPOSED COMPRESSED: " ^ string_of_bool !real_composed ^" : " ^ CicPp.ppterm c));
+ c, c_ty, metasenv, univ, saturationsres, arity2, cpos, !real_composed
;;
-let build_obj c univ arity =
- let c_ty,univ =
- try
- CicTypeChecker.type_of_aux' [] [] c univ
- with CicTypeChecker.TypeCheckerFailure s ->
- debug_print (lazy (Printf.sprintf "Generated composite coercion:\n%s\n%s"
- (CicPp.ppterm c) (Lazy.force s)));
- raise UnableToCompose
- in
+let build_obj c c_ty univ arity is_var =
let cleaned_ty =
FreshNamesGenerator.clean_dummy_dependent_types c_ty
in
- let obj = Cic.Constant ("xxxx",Some c,cleaned_ty,[],obj_attrs arity) in
+ let obj = Cic.Constant ("xxxx",Some c,cleaned_ty,[],
+ [`Generated] @ if not is_var then [`Flavour `Variant] else [] ) in
+
obj,univ
;;
(* 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" -> debug_print (lazy("XXX")); 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
("Unable to give an altenative name to " ^ buri ^ "/" ^ name ^ ".con"))
in
let rec aux n =
- let suffix = if n > 0 then string_of_int n else "" in
+ let suffix = if n > 0 then ("__" ^ string_of_int n) else "" in
let suri = buri ^ "/" ^ name ^ suffix ^ ".con" in
let uri = UriManager.uri_of_string suri in
- let retry () =
- if n < 100 then
- begin
- HLog.warn ("Uri " ^ suri ^ " already exists.");
- aux (n+1)
- end
- else
- err ()
- in
+ let retry () = if n < max_int then aux (n+1) else err () in
if List.exists (UriManager.eq uri) l then retry ()
else
try
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
List.fold_left
(fun acc (src, l , tgt) ->
try
- (match l with
+ match l with
| [] -> assert false
| (he,saturations1,arity1) :: tl ->
let first_step =
- Cic.Constant ("",
- Some (CoercDb.term_of_carr (CoercDb.Uri he)),
- Cic.Sort Cic.Prop, [], obj_attrs arity1),
+ Cic.Constant ("", Some (CicUtil.term_of_uri he),
+ Cic.Sort Cic.Prop, [], [`Generated]),
saturations1,
- arity1
+ arity1,0
in
let o,_ =
List.fold_left (fun (o,univ) (coer,saturations2,arity2) ->
match o with
- | Cic.Constant (_,Some u,_,[],_),saturations1,arity1 ->
- let t, menv, univ, saturationsres, arityres =
+ | Cic.Constant (_,Some u,_,[],_),saturations1,arity1,_ ->
+ let t, t_ty, menv, univ, saturationsres,
+ arityres, cposres, is_var
+ =
generate_composite' (u,saturations1,arity1)
- (CoercDb.term_of_carr (CoercDb.Uri coer),
+ (CicUtil.term_of_uri coer,
saturations2, arity2) [] [] univ
in
- if (menv = []) then
+ if (menv <> []) then
HLog.warn "MENV non empty after composing coercions";
- let o,univ = build_obj t univ arityres in
- (o,saturationsres,arityres),univ
+ let o,univ = build_obj t t_ty univ arityres is_var in
+ (o,saturationsres,arityres,cposres),univ
| _ -> assert false
) (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 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,arity =
+ let named_obj,saturations,arity,cpos =
match o with
- | Cic.Constant (_,bo,ty,vl,attrs),saturations,arity ->
- Cic.Constant (name,bo,ty,vl,attrs),saturations,arity
+ | 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,arity))::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 sat1 sat2 =
- let a,b,c,_,_ =
+ let a,_,b,c,_,_,_,_ =
generate_composite' (c1,sat1,0) (c2,sat2,0) context metasenv univ
in
a,b,c
projects / helm.git / blobdiff