module C = NCic
module Ref = NReference
+let debug = ref false;;
let indent = ref "";;
-let inside c = indent := !indent ^ String.make 1 c;;
-let outside () = indent := String.sub !indent 0 (String.length !indent -1);;
-
-
-let pp s =
+let pp s =
+ if !debug then
prerr_endline (Printf.sprintf "%-20s" !indent ^ " " ^ Lazy.force s)
-;;
+ else
+ ()
+;;
+let inside c =
+ indent := !indent ^ String.make 1 c;
+ if !debug then prerr_endline ("{{{" ^ !indent ^ " ")
+;;
+let outside ok =
+ if !debug then prerr_endline "}}}";
+ if not ok then pp (lazy "exception raised!");
+ try
+ indent := String.sub !indent 0 (String.length !indent -1)
+ with
+ Invalid_argument _ -> indent := "??"; ()
+;;
-let pp _ = ();;
let wrap_exc msg = function
| NCicUnification.Uncertain _ -> Uncertain msg
| e -> raise e
;;
-let exp_implicit ~localise metasenv context expty t =
- let foo x = match expty with Some t -> `WithType t | None -> x in
+let exp_implicit rdb ~localise metasenv subst context expty t =
+ let foo x = function 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)
+ | `Closed ->
+ let metasenv,subst,expty =
+ match expty with
+ None -> metasenv,subst,None
+ | Some typ ->
+ let (metasenv,subst),typ =
+ try
+ NCicMetaSubst.delift
+ ~unify:(fun m s c t1 t2 ->
+ try Some (NCicUnification.unify rdb m s c t1 t2)
+ with NCicUnification.UnificationFailure _ | NCicUnification.Uncertain _ -> None)
+ metasenv subst context 0 (0,NCic.Irl 0) typ
+ with
+ NCicMetaSubst.MetaSubstFailure _
+ | NCicMetaSubst.Uncertain _ ->
+ raise (RefineFailure (lazy (localise t,"Trying to create a closed meta with a non closed type")))
+
+ in
+ metasenv,subst,Some typ
+ in
+ NCicMetaSubst.mk_meta metasenv [] (foo `Term expty),subst
+ | `Type -> NCicMetaSubst.mk_meta metasenv context (foo `Type expty),subst
+ | `Term -> NCicMetaSubst.mk_meta metasenv context (foo `Term expty),subst
| `Tagged s ->
- NCicMetaSubst.mk_meta ~attrs:[`Name s] metasenv context (foo `Term)
+ NCicMetaSubst.mk_meta ~attrs:[`Name s] metasenv context (foo `Term expty),subst
| `Vector ->
raise (RefineFailure (lazy (localise t, "A vector of implicit terms " ^
"can only be used in argument position")))
with exc -> raise (wrap_exc (lazy (localise orig,
"Sort elimination not allowed ")) exc))
| _ -> assert false
- (*D*)in outside(); rc with exc -> outside (); raise exc
+ (*D*)in outside true; rc with exc -> outside false; raise exc
in
aux
;;
let metasenv, subst =
(*D*)inside 'U'; try let rc =
NCicUnification.unify rdb metasenv subst context infty expty
- (*D*)in outside(); rc with exc -> outside (); raise exc
+ (*D*)in outside true; rc with exc -> outside false; raise exc
in
metasenv, subst, t, expty
with
try_coercions rdb ~localise
metasenv subst context t orig infty expty true exc)
| None -> metasenv, subst, t, infty
- (*D*)in outside(); rc with exc -> outside (); raise exc
+ (*D*)in outside true; rc with exc -> outside false; raise exc
in
let rec typeof_aux metasenv subst context expty =
fun t as orig ->
raise (RefineFailure (lazy (localise t, Lazy.force msg)))
| NCicEnvironment.AssertFailure msg -> raise (AssertFailure msg))
| C.Implicit infos ->
- let metasenv,_,t,ty =
- exp_implicit ~localise metasenv context expty t infos
+ let (metasenv,_,t,ty),subst =
+ exp_implicit rdb ~localise metasenv subst context expty t infos
in
metasenv, subst, t, ty
| C.Meta (n,l) as t ->
| Some x ->
let m, s, x =
NCicUnification.delift_type_wrt_terms
- rdb metasenv subst context x [t]
+ rdb metasenv subst context1 (NCicSubstitution.lift 1 x)
+ [NCicSubstitution.lift 1 t]
in
m, s, Some x
in
pp (lazy (NCicPp.ppterm ~metasenv ~subst ~context t ^ " ::inf:: "^
NCicPp.ppterm ~metasenv ~subst ~context infty ));
force_ty true true metasenv subst context orig t infty expty
- (*D*)in outside(); rc with exc -> outside (); raise exc
+ (*D*)in outside true; rc with exc -> outside false; raise exc
in
typeof_aux metasenv subst context expty term
let rec first exc = function
| [] ->
raise (wrap_exc (lazy (localise orig_t, Printf.sprintf
- "The term %s has type %s but is here used with type %s"
+ "The term\n%s\nhas type\n%s\nbut is here used with type\n%s"
(NCicPp.ppterm ~metasenv ~subst ~context t)
(NCicPp.ppterm ~metasenv ~subst ~context infty)
(NCicPp.ppterm ~metasenv ~subst ~context expty))) exc)
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
+ let rec aux metasenv subst args_so_far he ty_he xxx =
+ (*D*)inside 'V'; try let rc =
+ match xxx with
| [] ->
let res = NCicUntrusted.mk_appl he (List.rev args_so_far) in
pp(lazy("FORCE FINAL APPL: " ^
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)))
+ Uncertain msg | RefineFailure msg -> raise (wrap_exc msg exc))
+ | RefineFailure msg when not (has_some_more_pis ty_he) ->
+ (* instantiating the head could change the has_some_more_pis flag *)
+ raise (Uncertain msg))
| arg::tl ->
match NCicReduction.whd ~subst context ty_he with
| C.Prod (_,s,t) ->
(List.length args) (List.length args_so_far))))
in
aux metasenv subst [] newhead newheadty (arg :: tl)
+ (*D*)in outside true; rc with exc -> outside false; raise exc
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 *)
List.partition (fun (i,_) -> i <= highest_meta) metasenv
in
(List.rev metasenv_new) @ metasenv_old, subst, newhead, newheadty
- (*D*)in outside(); rc with exc -> outside (); raise exc
+ (*D*)in outside true; rc with exc -> outside false; raise exc
;;
let rec first f l1 l2 =
projects / helm.git / blobdiff