exception Bad_pattern of string Lazy.t
-let new_meta_of_proof ~proof:(_, metasenv, _, _, _) =
+let new_meta_of_proof ~proof:(_, metasenv, _, _, _, _) =
CicMkImplicit.new_meta metasenv []
let subst_meta_in_proof proof meta term newmetasenv =
- let uri,metasenv,bo,ty, attrs = proof in
+ let uri,metasenv,initial_subst,bo,ty, attrs = proof in
(* empty context is ok for term since it wont be used by apply_subst *)
(* hack: since we do not know the context and the type of term, we
create a substitution with cc =[] and type = Implicit; they will be
* since the parser does not reject as statements terms with
* metavariable therein *)
let ty' = subst_in ty in
- let newproof = uri,metasenv'',bo',ty', attrs in
+ let newproof = uri,metasenv'',initial_subst,bo',ty', attrs in
(newproof, metasenv'')
(*CSC: commento vecchio *)
(*CSC: ci ripasso sopra apply_subst!!! *)
(*CSC: Attenzione! Ora questa funzione applica anche [subst_in] a *)
(*CSC: [newmetasenv]. *)
-let subst_meta_and_metasenv_in_proof proof meta subst_in newmetasenv =
- let (uri,_,bo,ty, attrs) = proof in
+let subst_meta_and_metasenv_in_proof proof meta subst newmetasenv =
+ let (uri,_,initial_subst,bo,ty, attrs) = proof in
+ let subst_in = CicMetaSubst.apply_subst subst in
let bo' = subst_in bo in
(* Metavariables can appear also in the *statement* of the theorem
* since the parser does not reject as statements terms with
| _ -> i
) newmetasenv []
in
- let newproof = uri,metasenv',bo',ty', attrs in
+ (* qui da capire se per la fase transitoria si fa initial_subst @ subst
+ * oppure subst *)
+ let newproof = uri,metasenv',subst,bo',ty', attrs in
(newproof, metasenv')
let compare_metasenvs ~oldmetasenv ~newmetasenv =
| v -> aux true a n c (CicReduction.whd c v)
in
aux false [] 0 c t
+
+let split_with_normalize (c, t) =
+ let add s v c = Some (s, Cic.Decl v) :: c in
+ let rec aux a n c = function
+ | Cic.Prod (s, v, t) -> aux ((c, v) :: a) (succ n) (add s v c) t
+ | v -> (c, v) :: a, n
+ in
+ aux [] 0 c (CicReduction.normalize c t)
+
+ (* menv sorting *)
+module OT =
+ struct
+ type t = Cic.conjecture
+ let compare (i,_,_) (j,_,_) = Pervasives.compare i j
+ end
+module MS = HTopoSort.Make(OT)
+let relations_of_menv m c =
+ let i, ctx, ty = c in
+ let m = List.filter (fun (j,_,_) -> j <> i) m in
+ let m_ty = List.map fst (CicUtil.metas_of_term ty) in
+ let m_ctx =
+ List.flatten
+ (List.map
+ (function
+ | None -> []
+ | Some (_,Cic.Decl t)
+ | Some (_,Cic.Def (t,None)) ->
+ List.map fst (CicUtil.metas_of_term ty)
+ | Some (_,Cic.Def (t,Some ty)) ->
+ List.map fst (CicUtil.metas_of_term ty) @
+ List.map fst (CicUtil.metas_of_term t))
+ ctx)
+ in
+ let metas = HExtlib.list_uniq (List.sort compare (m_ty @ m_ctx)) in
+ List.filter (fun (i,_,_) -> List.exists ((=) i) metas) m
+;;
+let sort_metasenv (m : Cic.metasenv) =
+ (MS.topological_sort m (relations_of_menv m) : Cic.metasenv)
+;;
+