X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Facic_procedural%2FproceduralConversion.ml;h=3eadc2fcf985395f9613a64a859decb0fb45d515;hb=ffdd3ddd6ce10a5fa0729ab407647bd46c44b9d8;hp=53898136940f369667b3625e126d5171690c61aa;hpb=93afc8e27cf27754ff73b426e0b1d4df97224dee;p=helm.git diff --git a/helm/software/components/acic_procedural/proceduralConversion.ml b/helm/software/components/acic_procedural/proceduralConversion.ml index 538981369..3eadc2fcf 100644 --- a/helm/software/components/acic_procedural/proceduralConversion.ml +++ b/helm/software/components/acic_procedural/proceduralConversion.ml @@ -26,14 +26,16 @@ module C = Cic module E = CicEnvironment module Un = CicUniv -module TC = CicTypeChecker -module D = Deannotate +module TC = CicTypeChecker module UM = UriManager module Rd = CicReduction +module PEH = ProofEngineHelpers +module PT = PrimitiveTactics +module DTI = DoubleTypeInference -(* helpers ******************************************************************) +module H = ProceduralHelpers -let cic = D.deannotate_term +(* helpers ******************************************************************) let rec list_sub start length = function | _ :: tl when start > 0 -> list_sub (pred start) length tl @@ -68,12 +70,52 @@ let lift k n = | C.AMutCase (id, sp, i, outty, t, pl) -> C.AMutCase (id, sp, i, lift_term k outty, lift_term k t, List.map (lift_term k) pl) | C.AProd (id, n, s, t) -> C.AProd (id, n, lift_term k s, lift_term (succ k) t) | C.ALambda (id, n, s, t) -> C.ALambda (id, n, lift_term k s, lift_term (succ k) t) - | C.ALetIn (id, n, s, t) -> C.ALetIn (id, n, lift_term k s, lift_term (succ k) t) + | C.ALetIn (id, n, ty, s, t) -> C.ALetIn (id, n, lift_term k ty, lift_term k s, lift_term (succ k) t) | C.AFix (id, i, fl) -> C.AFix (id, i, List.map (lift_fix (List.length fl) k) fl) | C.ACoFix (id, i, fl) -> C.ACoFix (id, i, List.map (lift_cofix (List.length fl) k) fl) in lift_term k + let fake_annotate id c = + let get_binder c m = + try match List.nth c (pred m) with + | Some (C.Name s, _) -> s + | _ -> assert false + with + | Invalid_argument _ -> assert false + in + let mk_decl n v = Some (n, C.Decl v) in + let mk_def n v ty = Some (n, C.Def (v, ty)) in + let mk_fix (name, _, ty, bo) = mk_def (C.Name name) bo ty in + let mk_cofix (name, ty, bo) = mk_def (C.Name name) bo ty in + let rec ann_xns c (uri, t) = uri, ann_term c t + and ann_ms c = function + | None -> None + | Some t -> Some (ann_term c t) + and ann_fix newc c (name, i, ty, bo) = + id, name, i, ann_term c ty, ann_term (List.rev_append newc c) bo + and ann_cofix newc c (name, ty, bo) = + id, name, ann_term c ty, ann_term (List.rev_append newc c) bo + and ann_term c = function + | C.Sort sort -> C.ASort (id, sort) + | C.Implicit ann -> C.AImplicit (id, ann) + | C.Rel m -> C.ARel (id, id, m, get_binder c m) + | C.Const (uri, xnss) -> C.AConst (id, uri, List.map (ann_xns c) xnss) + | C.Var (uri, xnss) -> C.AVar (id, uri, List.map (ann_xns c) xnss) + | C.MutInd (uri, tyno, xnss) -> C.AMutInd (id, uri, tyno, List.map (ann_xns c) xnss) + | C.MutConstruct (uri, tyno, consno, xnss) -> C.AMutConstruct (id, uri,tyno,consno, List.map (ann_xns c) xnss) + | C.Meta (i, mss) -> C.AMeta(id, i, List.map (ann_ms c) mss) + | C.Appl ts -> C.AAppl (id, List.map (ann_term c) ts) + | C.Cast (te, ty) -> C.ACast (id, ann_term c te, ann_term c ty) + | C.MutCase (sp, i, outty, t, pl) -> C.AMutCase (id, sp, i, ann_term c outty, ann_term c t, List.map (ann_term c) pl) + | C.Prod (n, s, t) -> C.AProd (id, n, ann_term c s, ann_term (mk_decl n s :: c) t) + | C.Lambda (n, s, t) -> C.ALambda (id, n, ann_term c s, ann_term (mk_decl n s :: c) t) + | C.LetIn (n, s, ty, t) -> C.ALetIn (id, n, ann_term c s, ann_term c ty, ann_term (mk_def n s ty :: c) t) + | C.Fix (i, fl) -> C.AFix (id, i, List.map (ann_fix (List.rev_map mk_fix fl) c) fl) + | C.CoFix (i, fl) -> C.ACoFix (id, i, List.map (ann_cofix (List.rev_map mk_cofix fl) c) fl) + in + ann_term c + let clear_absts m = let rec aux k n = function | C.AImplicit (_, None) as t -> t @@ -82,7 +124,7 @@ let clear_absts m = | C.ALambda (_, _, _, t) when n > 0 -> aux 0 (pred n) (lift 1 (-1) t) | t when n > 0 -> - Printf.eprintf "CLEAR: %u %s\n" n (CicPp.ppterm (cic t)); + Printf.eprintf "CLEAR: %u %s\n" n (CicPp.ppterm (H.cic t)); assert false | t -> t in @@ -115,7 +157,7 @@ let generalize n = | C.AMutConstruct (id, _, _, _, _) | C.AMeta (id, _, _) -> meta id | C.ARel (id, _, m, _) -> - if m = succ (k - n) then hole id else meta id + if succ (k - n) <= m && m <= k then hole id else meta id | C.AAppl (id, ts) -> let ts = List.map (gen_term k) ts in if is_meta ts then meta id else C.AAppl (id, ts) @@ -131,14 +173,81 @@ let generalize n = | C.ALambda (id, _, s, t) -> let s, t = gen_term k s, gen_term (succ k) t in if is_meta [s; t] then meta id else C.ALambda (id, anon, s, t) - | C.ALetIn (id, _, s, t) -> - let s, t = gen_term k s, gen_term (succ k) t in - if is_meta [s; t] then meta id else C.ALetIn (id, anon, s, t) + | C.ALetIn (id, _, s, ty, t) -> + let s, ty, t = gen_term k s, gen_term k ty, gen_term (succ k) t in + if is_meta [s; t] then meta id else C.ALetIn (id, anon, s, ty, t) | C.AFix (id, i, fl) -> C.AFix (id, i, List.map (gen_fix (List.length fl) k) fl) | C.ACoFix (id, i, fl) -> C.ACoFix (id, i, List.map (gen_cofix (List.length fl) k) fl) in gen_term 0 -let mk_pattern rpsno predicate = - let body = generalize rpsno predicate in - clear_absts 0 rpsno body +let mk_pattern psno predicate = + let body = generalize psno predicate in + clear_absts 0 psno body + +let get_clears c p xtypes = + let meta = C.Implicit None in + let rec aux c names p it et = function + | [] -> + List.rev c, List.rev names + | Some (C.Name name as n, C.Decl v) as hd :: tl -> + let hd, names, v = + if DTI.does_not_occur 1 p && DTI.does_not_occur 1 it && DTI.does_not_occur 1 et then + Some (C.Anonymous, C.Decl v), name :: names, meta + else + hd, names, v + in + let p = C.Lambda (n, v, p) in + let it = C.Prod (n, v, it) in + let et = C.Prod (n, v, et) in + aux (hd :: c) names p it et tl + | Some (C.Name name as n, C.Def (v, x)) as hd :: tl -> + let hd, names, v = + if DTI.does_not_occur 1 p && DTI.does_not_occur 1 it && DTI.does_not_occur 1 et then + Some (C.Anonymous, C.Def (v, x)), name :: names, meta + else + hd, names, v + in + let p = C.LetIn (n, v, x, p) in + let it = C.LetIn (n, v, x, it) in + let et = C.LetIn (n, v, x, et) in + aux (hd :: c) names p it et tl + | Some (C.Anonymous as n, C.Decl v) as hd :: tl -> + let p = C.Lambda (n, meta, p) in + let it = C.Lambda (n, meta, it) in + let et = C.Lambda (n, meta, et) in + aux (hd :: c) names p it et tl + | Some (C.Anonymous as n, C.Def (v, _)) as hd :: tl -> + let p = C.LetIn (n, meta, meta, p) in + let it = C.LetIn (n, meta, meta, it) in + let et = C.LetIn (n, meta, meta, et) in + aux (hd :: c) names p it et tl + | None :: tl -> assert false + in + match xtypes with + | Some (it, et) -> aux [] [] p it et c + | None -> c, [] + +let clear c hyp = + let rec aux c = function + | [] -> List.rev c + | Some (C.Name name, entry) :: tail when name = hyp -> + aux (Some (C.Anonymous, entry) :: c) tail + | entry :: tail -> aux (entry :: c) tail + in + aux [] c + +let elim_inferred_type context goal arg using cpattern = + let metasenv, ugraph = [], Un.default_ugraph in + let ety = H.get_type "elim_inferred_type" context using in + let _splits, args_no = PEH.split_with_whd (context, ety) in + let _metasenv, predicate, _arg, actual_args = PT.mk_predicate_for_elim + ~context ~metasenv ~ugraph ~goal ~arg ~using ~cpattern ~args_no + in + let ty = C.Appl (predicate :: actual_args) in + let upto = List.length actual_args in + Rd.head_beta_reduce ~delta:false ~upto ty + +let does_not_occur = function + | C.AImplicit (_, None) -> true + | _ -> false