X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_refiner%2FnCicRefiner.ml;h=a3316294712c0fdffa0eafbcfddd18bb65ce7a6a;hb=20427121e8114fa60b64bd1669a0fc734bf39205;hp=8872cbc9b576f855a8f65334addc871864e3bc6c;hpb=0e135d52a8c1b825a7844b897546bb7ae4af44d2;p=helm.git diff --git a/helm/software/components/ng_refiner/nCicRefiner.ml b/helm/software/components/ng_refiner/nCicRefiner.ml index 8872cbc9b..a33162947 100644 --- a/helm/software/components/ng_refiner/nCicRefiner.ml +++ b/helm/software/components/ng_refiner/nCicRefiner.ml @@ -36,16 +36,18 @@ let wrap_exc msg = function | e -> raise e ;; -let exp_implicit metasenv context expty = +let exp_implicit ~localise metasenv context expty t = let foo x = match expty with Some t -> `WithType t | None -> x in function | `Closed -> NCicMetaSubst.mk_meta metasenv [] (foo `Term) | `Type -> NCicMetaSubst.mk_meta metasenv context (foo `Type) | `Term -> NCicMetaSubst.mk_meta metasenv context (foo `Term) + | `Vector -> + raise (RefineFailure (lazy (localise t, "A vector of implicit terms " ^ + "can only be used in argument position"))) | _ -> assert false ;; - let check_allowed_sort_elimination rdb localise r orig = let mkapp he arg = match he with @@ -98,13 +100,14 @@ let rec typeof rdb ?(localise=fun _ -> Stdpp.dummy_loc) metasenv subst context term expty = - let force_ty skip_lambda metasenv subst context orig t infty expty = + let force_ty skip_lambda skip_appl metasenv subst context orig t infty expty = (*D*)inside 'F'; try let rc = match expty with | Some expty -> (match t with | C.Implicit _ -> assert false | C.Lambda _ when skip_lambda -> metasenv, subst, t, expty + | C.Appl _ when skip_appl -> metasenv, subst, t, expty | _ -> pp (lazy ( (NCicPp.ppterm ~metasenv ~subst ~context infty) ^ " === " ^ @@ -145,8 +148,10 @@ let rec typeof rdb NCicPp.ppterm ~subst ~metasenv ~context t))) | C.Sort _ -> metasenv,subst,t,(C.Sort (C.Type NCicEnvironment.type0)) | C.Implicit infos -> - let metasenv,_,t,ty = exp_implicit metasenv context expty infos in - metasenv, subst, t, ty + let metasenv,_,t,ty = + exp_implicit ~localise metasenv context expty t infos + in + metasenv, subst, t, ty | C.Meta (n,l) as t -> let ty = try @@ -209,7 +214,7 @@ let rec typeof rdb typeof_aux metasenv subst context_for_t exp_ty_t t in if force_after then - force_ty false metasenv subst context orig + force_ty false true metasenv subst context orig (C.Lambda(n,s,t)) (C.Prod (n,s,ty_t)) expty else metasenv, subst, C.Lambda(n,s,t), C.Prod (n,s,ty_t) @@ -228,15 +233,12 @@ let rec typeof rdb let bo_ty = NCicSubstitution.subst ~avoid_beta_redexes:true t bo_ty in metasenv, subst, C.LetIn (n, ty, t, bo), bo_ty | C.Appl ((he as orig_he)::(_::_ as args)) -> - let upto = - match orig_he with C.Meta _ -> List.length args | _ -> 0 - in + let upto = match orig_he with C.Meta _ -> List.length args | _ -> 0 in let metasenv, subst, he, ty_he = typeof_aux metasenv subst context None he in let metasenv, subst, t, ty = - eat_prods rdb ~localise - metasenv subst context orig_he he ty_he args - in + eat_prods rdb ~localise force_ty metasenv subst context expty t + orig_he he ty_he args in let t = if upto > 0 then NCicReduction.head_beta_reduce ~upto t else t in metasenv, subst, t, ty | C.Appl _ -> raise (AssertFailure (lazy "Appl of length < 2")) @@ -329,7 +331,7 @@ let rec typeof rdb in pp (lazy (NCicPp.ppterm ~metasenv ~subst ~context t ^ " :: "^ NCicPp.ppterm ~metasenv ~subst ~context infty )); - force_ty true metasenv subst context orig t infty expty + force_ty true true metasenv subst context orig t infty expty (*D*)in outside(); rc with exc -> outside (); raise exc in typeof_aux metasenv subst context expty term @@ -346,7 +348,7 @@ and try_coercions rdb (NCicPp.ppterm ~metasenv ~subst ~context t) (NCicPp.ppterm ~metasenv ~subst ~context infty) (NCicPp.ppterm ~metasenv ~subst ~context expty))) exc) - | (metasenv, newterm, newtype, meta)::tl -> + | (_,metasenv, newterm, newtype, meta)::tl -> try pp (lazy ( "UNIFICATION in CTX:\n"^ NCicPp.ppcontext ~metasenv ~subst context @@ -376,7 +378,8 @@ and try_coercions rdb | NCicUnification.Uncertain _ as exc -> first exc tl in first exc - (NCicCoercion.look_for_coercion rdb metasenv subst context infty expty) + (NCicCoercion.look_for_coercion + rdb metasenv subst context infty expty) and force_to_sort rdb metasenv subst context t orig_t localise ty = match NCicReduction.whd ~subst context ty with @@ -436,12 +439,28 @@ and guess_name subst ctx ty = with NCicUtils.Subst_not_found _ -> aux 'M') | _ -> aux 'H' -and eat_prods rdb - ~localise metasenv subst context orig_he he ty_he args -= +and eat_prods rdb ~localise force_ty metasenv subst context expty orig_t orig_he he ty_he args = (*D*)inside 'E'; try let rc = let rec aux metasenv subst args_so_far he ty_he = function - | []->metasenv, subst, NCicUntrusted.mk_appl he (List.rev args_so_far), ty_he + | [] -> + let res = NCicUntrusted.mk_appl he (List.rev args_so_far) in + force_ty true false metasenv subst context orig_t res ty_he expty + | NCic.Implicit `Vector::tl -> + let has_some_more_pis x = + match NCicReduction.whd ~subst context x with + | NCic.Meta _ | NCic.Appl (NCic.Meta _::_) -> false + | _ -> true + in + (try + aux metasenv subst args_so_far he ty_he tl + with + | Uncertain _ + | RefineFailure _ as exc when has_some_more_pis ty_he -> + (try + aux metasenv subst args_so_far he ty_he + (NCic.Implicit `Term :: NCic.Implicit `Vector :: tl) + with + Uncertain msg | RefineFailure msg -> raise (wrap_exc msg exc))) | arg::tl -> match NCicReduction.whd ~subst context ty_he with | C.Prod (_,s,t) -> @@ -470,7 +489,7 @@ and eat_prods rdb ^ "\nOF: " ^ NCicPp.ppterm ~metasenv ~subst ~context t ^ " === " ^ NCicPp.ppterm ~metasenv ~subst ~context flex_prod ^ "\n")); - let metasenv, subst = + let metasenv, subst = try NCicUnification.unify rdb metasenv subst context t flex_prod with exc -> raise (wrap_exc (lazy (localise orig_he, Printf.sprintf ("The term %s has an inferred type %s, but is applied to the" ^^ @@ -501,7 +520,7 @@ and eat_prods rdb "only %d arguments") (NCicPp.ppterm ~metasenv ~subst ~context he) (List.length args) (List.length args_so_far)))) in - aux metasenv subst [] newhead newheadty (arg :: tl) + aux metasenv subst [] newhead newheadty (arg :: tl) in (* We need to reverse the order of the new created metas since they are pushed on top of the metasenv in the wrong order *) @@ -745,4 +764,6 @@ let typeof_obj uri, height, metasenv, subst, C.Inductive (ind, leftno, itl, attr) ;; +NCicUnification.set_refiner_typeof typeof;; + (* vim:set foldmethod=marker: *)