1 (* Copyright (C) 2000, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://cs.unibo.it/helm/.
26 (* $Id: cicPp.ml 7413 2007-05-29 15:30:53Z tassi $ *)
29 let apply_subst subst t = assert (subst=[]); t;;
31 type typformerreference = NReference.reference
32 type reference = NReference.reference
36 | KArrow of kind * kind
37 | KSkip of kind (* dropped abstraction *)
43 | TConst of typformerreference
46 | Forall of string * kind * typ
53 | Lambda of string * (* typ **) term
55 | LetIn of string * (* typ **) term * term
56 | Match of reference * term * term list
57 | TLambda of (* string **) term
58 | Inst of (*typ_former **) term
61 NCic.Const (NReference.reference_of_spec (NUri.uri_of_string "cic:/matita/basics/types/unit.ind") (NReference.Ind (true,0,0)));;
63 (* None = dropped abstraction *)
64 type typ_context = (string * kind) option list
65 type term_context = (string * [`OfKind of kind | `OfType of typ]) option list
67 type typ_former_decl = typ_context * kind
68 type typ_former_def = typ_former_decl * typ
70 type term_former_decl = term_context * typ
71 type term_former_def = term_former_decl * term
74 TypeDeclaration of typ_former_decl
75 | TypeDefinition of typ_former_def
76 | TermDeclaration of term_former_decl
77 | TermDefinition of term_former_def
78 | LetRec of obj_kind list
79 (* inductive and records missing *)
81 type obj = NUri.uri * obj_kind
85 let rec classify_not_term status no_dep_prods context t =
86 match NCicReduction.whd status ~subst:[] context t with
90 | NCic.Type [`CProp,_] -> `PropKind
91 | NCic.Type [`Type,_] ->
92 if no_dep_prods then `Kind
94 raise NotInFOmega (* ?? *)
95 | NCic.Type _ -> assert false)
96 | NCic.Prod (b,s,t) ->
97 (*CSC: using invariant on "_" *)
98 classify_not_term status (no_dep_prods && b.[0] = '_')
99 ((b,NCic.Decl s)::context) t
103 | NCic.Const (NReference.Ref (_,NReference.CoFix _))
104 | NCic.Appl [] -> assert false (* NOT POSSIBLE *)
106 | NCic.Const (NReference.Ref (_,NReference.Fix _)) ->
107 (* be aware: we can be the head of an application *)
108 assert false (* TODO *)
109 | NCic.Meta _ -> assert false (* TODO *)
110 | NCic.Appl (he::_) -> classify_not_term status no_dep_prods context he
112 let rec find_sort typ =
113 match NCicReduction.whd status ~subst:[] context (NCicSubstitution.lift status n typ) with
114 NCic.Sort NCic.Prop -> `Proposition
115 | NCic.Sort (NCic.Type [`CProp,_]) -> `Proposition
116 | NCic.Sort (NCic.Type [`Type,_]) ->
117 (*CSC: we could be more precise distinguishing the user provided
118 minimal elements of the hierarchies and classify these
121 | NCic.Sort (NCic.Type _) -> assert false (* ALGEBRAIC *)
122 | NCic.Prod (_,_,t) ->
123 (* we skipped arguments of applications, so here we need to skip
126 | _ -> assert false (* NOT A SORT *)
128 (match List.nth context (n-1) with
129 _,NCic.Decl typ -> find_sort typ
130 | _,NCic.Def _ -> assert false (* IMPOSSIBLE *))
131 | NCic.Const (NReference.Ref (_,NReference.Decl) as ref) ->
132 let _,_,ty,_,_ = NCicEnvironment.get_checked_decl status ref in
133 (match classify_not_term status true [] ty with
135 | `Type -> assert false (* IMPOSSIBLE *)
137 | `KindOrType -> `Type
138 | `PropKind -> `Proposition)
139 | NCic.Const (NReference.Ref (_,NReference.Ind _) as ref) ->
140 let _,_,ityl,_,i = NCicEnvironment.get_checked_indtys status ref in
141 let _,_,arity,_ = List.nth ityl i in
142 (match classify_not_term status true [] arity with
145 | `KindOrType -> assert false (* IMPOSSIBLE *)
147 | `PropKind -> `Proposition)
148 | NCic.Const (NReference.Ref (_,NReference.Con _))
149 | NCic.Const (NReference.Ref (_,NReference.Def _)) ->
150 assert false (* IMPOSSIBLE *)
153 type not_term = [`Kind | `KindOrType | `PropKind | `Proposition | `Type];;
155 let classify status ~metasenv context t =
156 match NCicTypeChecker.typeof status ~metasenv ~subst:[] context t with
158 (classify_not_term status true context t : not_term :> [> not_term])
160 let ty = fix_sorts ty in
162 (match classify_not_term status true context ty with
163 | `Proposition -> `Proof
165 | `KindOrType -> `TypeFormerOrTerm
166 | `Kind -> `TypeFormer
167 | `PropKind -> `PropFormer)
171 let rec kind_of status ~metasenv context k =
172 match NCicReduction.whd status ~subst:[] context k with
173 | NCic.Sort NCic.Type _ -> Type
174 | NCic.Sort _ -> assert false (* NOT A KIND *)
175 | NCic.Prod (b,s,t) ->
176 (* CSC: non-invariant assumed here about "_" *)
177 (match classify status ~metasenv context s with
179 | `KindOrType -> (* KindOrType OK?? *)
180 KArrow (kind_of status ~metasenv context s,
181 kind_of ~metasenv status ((b,NCic.Decl s)::context) t)
185 KSkip (kind_of status ~metasenv ((b,NCic.Decl s)::context) t)
186 | `Term _ -> assert false (* IMPOSSIBLE *))
188 | NCic.LetIn _ -> assert false (* IMPOSSIBLE *)
191 | NCic.Const _ -> assert false (* NOT A KIND *)
192 | NCic.Appl _ -> assert false (* TODO: when head is a match/let rec;
193 otherwise NOT A KIND *)
195 | NCic.Match (_,_,_,_) -> assert false (* TODO *)
198 let rec skip_args status ~metasenv context =
201 | [],_ -> assert false (* IMPOSSIBLE *)
202 | None::tl1,_::tl2 -> skip_args status ~metasenv context (tl1,tl2)
204 match classify status ~metasenv context arg with
207 | `Term `TypeFormer ->
208 Some arg::skip_args status ~metasenv context (tl1,tl2)
211 | `PropKind -> None::skip_args status ~metasenv context (tl1,tl2)
212 | `Term _ -> assert false (* IMPOSSIBLE *)
215 module ReferenceMap = Map.Make(struct type t = NReference.reference let compare = NReference.compare end)
217 type db = (typ_context * typ option) ReferenceMap.t
219 class type g_status =
221 method extraction_db: db
224 class virtual status =
227 val extraction_db = ReferenceMap.empty
228 method extraction_db = extraction_db
229 method set_extraction_db v = {< extraction_db = v >}
230 method set_extraction_status
231 : 'status. #g_status as 'status -> 'self
232 = fun o -> {< extraction_db = o#extraction_db >}
235 let rec split_kind_prods context =
237 | KArrow (so,ta)-> split_kind_prods (Some ("_",so)::context) ta
238 | KSkip ta -> split_kind_prods (None::context) ta
239 | Type -> context,Type
242 let rec split_typ_prods context =
244 | Arrow (so,ta)-> split_typ_prods (Some ("_",`OfType so)::context) ta
245 | Forall (name,so,ta)-> split_typ_prods (Some (name,`OfKind so)::context) ta
246 | Skip ta -> split_typ_prods (None::context) ta
247 | _ as t -> context,t
250 let rec glue_ctx_typ ctx typ =
253 | Some (_,`OfType so)::ctx -> glue_ctx_typ ctx (Arrow (so,typ))
254 | Some (name,`OfKind so)::ctx -> glue_ctx_typ ctx (Forall (name,so,typ))
255 | None::ctx -> glue_ctx_typ ctx (Skip typ)
258 let rec split_typ_lambdas status n ~metasenv context typ =
259 if n = 0 then context,typ
261 match NCicReduction.whd status ~delta:max_int ~subst:[] context typ with
262 | NCic.Lambda (name,s,t) ->
263 split_typ_lambdas status (n-1) ~metasenv ((name,NCic.Decl s)::context) t
265 (* eta-expansion required *)
266 let ty = NCicTypeChecker.typeof status ~metasenv ~subst:[] context t in
267 match NCicReduction.whd status ~delta:max_int ~subst:[] context ty with
268 | NCic.Prod (name,typ,_) ->
269 split_typ_lambdas status (n-1) ~metasenv
270 ((name,NCic.Decl typ)::context)
271 (NCicUntrusted.mk_appl t [NCic.Rel 1])
272 | _ -> assert false (* IMPOSSIBLE *)
276 let context_of_typformer status ~metasenv context =
278 NCic.Const (NReference.Ref (_,NReference.Ind _) as ref)
279 | NCic.Const (NReference.Ref (_,NReference.Def _) as ref)
280 | NCic.Const (NReference.Ref (_,NReference.Decl) as ref)
281 | NCic.Const (NReference.Ref (_,NReference.Fix _) as ref) ->
282 (try fst (ReferenceMap.find ref status#extraction_db)
284 Not_found -> assert false (* IMPOSSIBLE *))
285 | NCic.Match _ -> assert false (* TODO ???? *)
288 match List.nth context (n-1) with
289 _,NCic.Decl typ -> typ
290 | _,NCic.Def _ -> assert false (* IMPOSSIBLE *) in
291 let typ_ctx = snd (HExtlib.split_nth n context) in
292 let typ = kind_of status ~metasenv typ_ctx typ in
293 fst (split_kind_prods [] typ)
294 | NCic.Meta _ -> assert false (* TODO *)
295 | NCic.Const (NReference.Ref (_,NReference.Con _))
296 | NCic.Const (NReference.Ref (_,NReference.CoFix _))
297 | NCic.Sort _ | NCic.Implicit _ | NCic.Lambda _ | NCic.LetIn _
298 | NCic.Appl _ | NCic.Prod _ ->
299 assert false (* IMPOSSIBLE *)
301 let rec typ_of status ~metasenv context k =
302 match NCicReduction.whd status ~delta:max_int ~subst:[] context k with
303 | NCic.Prod (b,s,t) ->
304 (* CSC: non-invariant assumed here about "_" *)
305 (match classify status ~metasenv context s with
307 Forall (b, kind_of status ~metasenv context s,
308 typ_of ~metasenv status ((b,NCic.Decl s)::context) t)
310 | `KindOrType -> (* ??? *)
311 Arrow (typ_of status ~metasenv context s,
312 typ_of status ~metasenv ((b,NCic.Decl s)::context) t)
315 Skip (typ_of status ~metasenv ((b,NCic.Decl s)::context) t)
316 | `Term _ -> assert false (* IMPOSSIBLE *))
319 | NCic.LetIn _ -> assert false (* IMPOSSIBLE *)
320 | NCic.Lambda _ -> assert false (* NOT A TYPE *)
321 | NCic.Rel n -> Var n
322 | NCic.Const ref -> TConst ref
323 | NCic.Appl (he::args) ->
324 let he_context = context_of_typformer status ~metasenv context he in
325 TAppl (typ_of status ~metasenv context he ::
327 (function None -> Unit | Some ty -> typ_of status ~metasenv context ty)
328 (skip_args status ~metasenv context (List.rev he_context,args)))
329 | NCic.Appl _ -> assert false (* TODO: when head is a match/let rec;
330 otherwise NOT A TYPE *)
332 | NCic.Match (_,_,_,_) -> assert false (* TODO *)
335 let rec fomega_subst k t1 =
339 else if n < k then Var n
342 | TConst ref -> TConst ref
344 | Arrow (ty1,ty2) -> Arrow (fomega_subst k t1 ty1, fomega_subst (k+1) t1 ty2)
345 | Skip t -> Skip (fomega_subst (k+1) t1 t)
346 | Forall (n,kind,t) -> Forall (n,kind,fomega_subst (k+1) t1 t)
347 | TAppl args -> TAppl (List.map (fomega_subst k t1) args)
349 let fomega_lookup status ref = snd (ReferenceMap.find ref status#extraction_db)
351 let rec fomega_whd status ty =
354 (match fomega_lookup status r with
356 | Some ty -> fomega_whd status ty)
357 | TAppl (TConst r::args) ->
358 (match fomega_lookup status r with
360 | Some ty -> fomega_whd status (List.fold_right (fomega_subst 1) args ty))
363 let rec term_of status ~metasenv context =
367 | NCic.Prod _ -> assert false (* IMPOSSIBLE *)
368 | NCic.Lambda (b,ty,bo) ->
369 (* CSC: non-invariant assumed here about "_" *)
370 (match classify status ~metasenv context ty with
372 TLambda (term_of status ~metasenv ((b,NCic.Decl ty)::context) bo)
373 | `KindOrType (* ??? *)
375 Lambda (b, term_of status ~metasenv ((b,NCic.Decl ty)::context) bo)
379 term_of status ~metasenv ((b,NCic.Decl ty)::context) bo
380 | `Term _ -> assert false (* IMPOSSIBLE *))
381 | NCic.LetIn (b,ty,t,bo) ->
382 (match classify status ~metasenv context t with
383 | `Term `TypeFormerOrTerm (* ???? *)
385 LetIn (b,term_of status ~metasenv context t,
386 term_of status ~metasenv ((b,NCic.Def (t,ty))::context) bo)
395 (* not in programming languages, we expand it *)
396 term_of status ~metasenv context
397 (NCicSubstitution.subst status ~avoid_beta_redexes:true t bo))
398 | NCic.Rel n -> Rel n
399 | NCic.Const ref -> Const ref
400 | NCic.Appl (he::args) ->
401 eat_args status metasenv
402 (term_of status ~metasenv context he) context
403 (typ_of status ~metasenv context
404 (NCicTypeChecker.typeof status ~metasenv ~subst:[] context he))
407 let he_context = context_of_typformer status ~metasenv context he in
408 let process_args he =
411 | `Inst tl -> Inst (process_args he tl)
412 | `Appl (arg,tl) -> process_args (Appl (he,... arg)) tl
414 Appl (typ_of status ~metasenv context he ::
415 process_args (typ_of status ~metasenv context he)
416 (skip_term_args status ~metasenv context (List.rev he_context,args))
418 | NCic.Appl _ -> assert false (* TODO: when head is a match/let rec;
419 otherwise NOT A TYPE *)
420 | NCic.Meta _ -> assert false (* TODO *)
421 | NCic.Match (ref,_,t,pl) ->
422 Match (ref,term_of status ~metasenv context t,
423 List.map (term_of status ~metasenv context) pl)
424 and eat_args status metasenv acc context tyhe =
430 Appl args -> Appl (args@[x])
433 match fomega_whd status tyhe with
438 | _ -> term_of status ~metasenv context arg in
439 eat_args status metasenv (mk_appl acc arg) context t tl
441 eat_args status metasenv (Inst acc)
442 context (fomega_subst 1 (typ_of status ~metasenv context arg) t) tl
444 eat_args status metasenv acc context t tl
445 | Top -> assert false (*TODO: HOW??*)
446 | Unit | Var _ | TConst _ | TAppl _ -> assert false (* NOT A PRODUCT *)
449 let obj_of_constant status ~metasenv uri height bo ty =
450 match classify status ~metasenv [] ty with
452 let ty = kind_of status ~metasenv [] ty in
453 let ctx0,res = split_kind_prods [] ty in
455 split_typ_lambdas status ~metasenv (List.length ctx0) [] bo in
456 (match classify status ~metasenv ctx bo with
458 | `KindOrType -> (* ?? no kind formers in System F_omega *)
462 HExtlib.map_option (fun (_,k) ->
463 (*CSC: BUG here, clashes*)
464 String.uncapitalize (fst n),k) p1)
467 (* BUG here: for mutual type definitions the spec is not good *)
469 NReference.reference_of_spec uri (NReference.Def height) in
470 let bo = typ_of status ~metasenv ctx bo in
471 status#set_extraction_db
472 (ReferenceMap.add ref (nicectx,Some bo)
473 status#extraction_db),
474 Some (uri,TypeDefinition((nicectx,res),bo))
475 | `Kind -> status, None
477 | `Proposition -> status, None
478 | `Term _ -> assert false (* IMPOSSIBLE *))
480 | `Proposition -> status, None
481 | `KindOrType (* ??? *)
483 (* CSC: TO BE FINISHED, REF NON REGISTERED *)
484 let ty = typ_of status ~metasenv [] ty in
486 Some (uri, TermDefinition (split_typ_prods [] ty,
487 term_of status ~metasenv [] bo))
488 | `Term _ -> assert false (* IMPOSSIBLE *)
491 let obj_of status (uri,height,metasenv,subst,obj_kind) =
492 let obj_kind = apply_subst subst obj_kind in
495 | NCic.Constant (_,_,None,ty,_) ->
496 (match classify status ~metasenv [] ty with
498 let ty = kind_of status ~metasenv [] ty in
499 let ctx,_ as res = split_kind_prods [] ty in
500 let ref = NReference.reference_of_spec uri NReference.Decl in
501 status#set_extraction_db
502 (ReferenceMap.add ref (ctx,None) status#extraction_db),
503 Some (uri, TypeDeclaration res)
505 | `Proposition -> status, None
507 | `KindOrType (*???*) ->
508 let ty = typ_of status ~metasenv [] ty in
510 Some (uri, TermDeclaration (split_typ_prods [] ty))
511 | `Term _ -> assert false (* IMPOSSIBLE *))
512 | NCic.Constant (_,_,Some bo,ty,_) ->
513 obj_of_constant status ~metasenv uri height bo ty
514 | NCic.Fixpoint (_fix_or_cofix,fs,_) ->
517 (fun (_,_name,_,ty,bo) (status,res) ->
518 let status,obj = obj_of_constant ~metasenv status uri height bo ty in
520 None -> status,res (*CSC: PRETTY PRINT SOMETHING ERASED*)
521 | Some (_uri,obj) -> status,obj::res)
524 status, Some (uri,LetRec objs)
525 | NCic.Inductive _ -> status,None (*CSC: TO BE IMPLEMENTED*)
528 prerr_endline "-- NOT IN F_omega";
531 (************************ HASKELL *************************)
533 (*CSC: code to be changed soon when we implement constructors and
534 we fix the code for term application *)
535 let classify_reference status ref =
536 if ReferenceMap.mem ref status#extraction_db then
541 let capitalize classification name =
542 match classification with
544 | `TypeName -> String.capitalize name
545 | `FunctionName -> String.uncapitalize name
547 let pp_ref status ref =
548 capitalize (classify_reference status ref)
549 (NCicPp.r2s status false ref)
551 let name_of_uri classification uri =
552 capitalize classification (NUri.name_of_uri uri)
554 (* cons avoid duplicates *)
555 let rec (@::) name l =
556 if name <> "" (* propositional things *) && name.[0] = '_' then
557 let name = String.sub name 1 (String.length name - 1) in
558 let name = if name = "" then "a" else name in
560 else if List.mem name l then (name ^ "'") @:: l
567 | KArrow (k1,k2) -> "(" ^ pp_kind k1 ^ ") -> " ^ pp_kind k2
568 | KSkip k -> pp_kind k
570 let rec pp_typ status ctx =
572 Var n -> List.nth ctx (n-1)
574 | Top -> assert false (* ??? *)
575 | TConst ref -> pp_ref status ref
576 | Arrow (t1,t2) -> "(" ^ pp_typ status ctx t1 ^ ") -> " ^ pp_typ status ("_"::ctx) t2
577 | Skip t -> pp_typ status ("_"::ctx) t
578 | Forall (name,_,t) ->
579 (*CSC: BUG HERE: avoid clashes due to uncapitalisation*)
580 let name = String.uncapitalize name in
581 "(forall " ^ name ^ ". " ^ pp_typ status (name@::ctx) t ^")"
582 | TAppl tl -> "(" ^ String.concat " " (List.map (pp_typ status ctx) tl) ^ ")"
584 let rec pp_term status ctx =
586 Rel n -> List.nth ctx (n-1)
588 | Const ref -> pp_ref status ref
589 | Lambda (name,t) -> "(\\" ^ name ^ " -> " ^ pp_term status (name@::ctx) t ^ ")"
590 | Appl tl -> "(" ^ String.concat " " (List.map (pp_term status ctx) tl) ^ ")"
591 | LetIn (name,s,t) ->
592 "(let " ^ name ^ " = " ^ pp_term status ctx s ^ " in " ^ pp_term status (name@::ctx) t ^
594 | Match (ref,matched,pl) ->
595 "case " ^ pp_term status ctx matched ^ " of\n" ^
599 (*CSC: BUG, TO BE IMPLEMENTED *)
600 let pattern,body = "???", pp_term status ctx p in
601 " " ^ pattern ^ " -> " ^ body
603 | TLambda t -> pp_term status ctx t
604 | Inst t -> pp_term status ctx t
607 type term_context = (string * [`OfKind of kind | `OfType of typ]) option list
609 type term_former_def = term_context * term * typ
610 type term_former_decl = term_context * typ
613 let rec pp_obj status (uri,obj_kind) =
615 String.concat " " (List.rev
616 (List.fold_right (fun (x,_) l -> x@::l)
617 (HExtlib.filter_map (fun x -> x) ctx) [])) in
618 let namectx_of_ctx ctx =
619 List.fold_right (@::)
620 (List.map (function None -> "" | Some (x,_) -> x) ctx) [] in
622 TypeDeclaration (ctx,_) ->
623 (* data?? unsure semantics: inductive type without constructor, but
624 not matchable apparently *)
625 "data " ^ name_of_uri `TypeName uri ^ " " ^ pp_ctx ctx
626 | TypeDefinition ((ctx,_),ty) ->
627 let namectx = namectx_of_ctx ctx in
628 "type " ^ name_of_uri `TypeName uri ^ " " ^ pp_ctx ctx ^ " = " ^
629 pp_typ status namectx ty
630 | TermDeclaration (ctx,ty) ->
631 (* Implemented with undefined, the best we can do *)
632 let name = name_of_uri `FunctionName uri in
633 name ^ " :: " ^ pp_typ status [] (glue_ctx_typ ctx ty) ^ "\n" ^
634 name ^ " = undefined"
635 | TermDefinition ((ctx,ty),bo) ->
636 let name = name_of_uri `FunctionName uri in
637 let namectx = namectx_of_ctx ctx in
638 name ^ " :: " ^ pp_typ status ["a";"b";"c"] (glue_ctx_typ ctx ty) ^ "\n" ^
639 name ^ " = " ^ pp_term status namectx bo
641 (*CSC: BUG always uses the name of the URI *)
642 String.concat "\n" (List.map (fun obj -> pp_obj status (uri,obj)) l)
643 (* inductive and records missing *)
645 let haskell_of_obj status obj =
646 let status, obj = obj_of status obj in
649 None -> "-- ERASED\n"
650 | Some obj -> pp_obj status obj ^ "\n"
653 let rec typ_of context =
659 (match get_nth context n with
660 Some (C.Name s,_) -> ppid s
661 | Some (C.Anonymous,_) -> "__" ^ string_of_int n
662 | None -> "_hidden_" ^ string_of_int n
665 NotEnoughElements -> string_of_int (List.length context - n)
670 "?" ^ (string_of_int n) ^ "[" ^
675 | Some t -> pp ~in_type:false t context) l1) ^
679 let _,context,_ = CicUtil.lookup_meta n metasenv in
680 "?" ^ (string_of_int n) ^ "[" ^
688 | Some _, Some t -> pp ~in_type:false t context
692 CicUtil.Meta_not_found _
693 | Invalid_argument _ ->
694 "???" ^ (string_of_int n) ^ "[" ^
696 (List.rev_map (function None -> "_" | Some t ->
697 pp ~in_type:false t context) l1) ^
705 (*| C.Type u -> ("Type" ^ CicUniv.string_of_universe u)*)
706 | C.CProp _ -> "CProp"
708 | C.Implicit (Some `Hole) -> "%"
709 | C.Implicit _ -> "?"
711 (match b, is_term s with
712 _, true -> typ_of (None::context) t
713 | "_",_ -> Arrow (typ_of context s) (typ_of (Some b::context) t)
714 | _,_ -> Forall (b,typ_of (Some b::context) t)
715 | C.Lambda (b,s,t) ->
716 (match analyze_type context s with
718 | `Statement -> pp ~in_type t ((Some (b,Cic.Decl s))::context)
719 | `Optimize -> prerr_endline "XXX lambda";assert false
721 "(function " ^ ppname b ^ " -> " ^
722 pp ~in_type t ((Some (b,Cic.Decl s))::context) ^ ")")
723 | C.LetIn (b,s,ty,t) ->
724 (match analyze_term context s with
726 | `Proof -> pp ~in_type t ((Some (b,Cic.Def (s,ty)))::context)
729 "(let " ^ ppname b ^ (*" : " ^ pp ~in_type:true ty context ^*)
730 " = " ^ pp ~in_type:false s context ^ " in " ^
731 pp ~in_type t ((Some (b,Cic.Def (s,ty)))::context) ^ ")")
732 | C.Appl (he::tl) when in_type ->
733 let hes = pp ~in_type he context in
734 let stl = String.concat "," (clean_args_for_ty context tl) in
735 (if stl = "" then "" else "(" ^ stl ^ ") ") ^ hes
736 | C.Appl (C.MutInd _ as he::tl) ->
737 let hes = pp ~in_type he context in
738 let stl = String.concat "," (clean_args_for_ty context tl) in
739 (if stl = "" then "" else "(" ^ stl ^ ") ") ^ hes
740 | C.Appl (C.MutConstruct (uri,n,_,_) as he::tl) ->
742 match fst(CicEnvironment.get_obj CicUniv.oblivion_ugraph uri) with
743 C.InductiveDefinition (_,_,nparams,_) -> nparams
744 | _ -> assert false in
745 let hes = pp ~in_type he context in
746 let stl = String.concat "," (clean_args_for_constr nparams context tl) in
747 "(" ^ hes ^ (if stl = "" then "" else "(" ^ stl ^ ")") ^ ")"
749 "(" ^ String.concat " " (clean_args context li) ^ ")"
750 | C.Const (uri,exp_named_subst) ->
751 qualified_name_of_uri status current_module_uri uri ^
752 pp_exp_named_subst exp_named_subst context
753 | C.MutInd (uri,n,exp_named_subst) ->
755 match fst(CicEnvironment.get_obj CicUniv.oblivion_ugraph uri) with
756 C.InductiveDefinition (dl,_,_,_) ->
757 let (name,_,_,_) = get_nth dl (n+1) in
758 qualified_name_of_uri status current_module_uri
759 (UriManager.uri_of_string
760 (UriManager.buri_of_uri uri ^ "/" ^ name ^ ".con")) ^
761 pp_exp_named_subst exp_named_subst context
762 | _ -> raise CicExportationInternalError
764 Sys.Break as exn -> raise exn
765 | _ -> UriManager.string_of_uri uri ^ "#1/" ^ string_of_int (n + 1)
767 | C.MutConstruct (uri,n1,n2,exp_named_subst) ->
769 match fst(CicEnvironment.get_obj CicUniv.oblivion_ugraph uri) with
770 C.InductiveDefinition (dl,_,_,_) ->
771 let _,_,_,cons = get_nth dl (n1+1) in
772 let id,_ = get_nth cons n2 in
773 qualified_name_of_uri status current_module_uri ~capitalize:true
774 (UriManager.uri_of_string
775 (UriManager.buri_of_uri uri ^ "/" ^ id ^ ".con")) ^
776 pp_exp_named_subst exp_named_subst context
777 | _ -> raise CicExportationInternalError
779 Sys.Break as exn -> raise exn
781 UriManager.string_of_uri uri ^ "#1/" ^ string_of_int (n1 + 1) ^ "/" ^
784 | C.MutCase (uri,n1,ty,te,patterns) ->
786 "unit (* TOO POLYMORPHIC TYPE *)"
788 let rec needs_obj_magic ty =
789 match CicReduction.whd context ty with
790 | Cic.Lambda (_,_,(Cic.Lambda(_,_,_) as t)) -> needs_obj_magic t
791 | Cic.Lambda (_,_,t) -> not (DoubleTypeInference.does_not_occur 1 t)
792 | _ -> false (* it can be a Rel, e.g. in *_rec *)
794 let needs_obj_magic = needs_obj_magic ty in
795 (match analyze_term context te with
796 `Type -> assert false
799 [] -> "assert false" (* empty type elimination *)
801 pp ~in_type:false he context (* singleton elimination *)
805 if patterns = [] then "assert false"
807 (let connames_and_argsno, go_up, go_pu, go_down, go_nwod =
808 (match fst(CicEnvironment.get_obj CicUniv.oblivion_ugraph uri) with
809 C.InductiveDefinition (dl,_,paramsno,_) ->
810 let (_,_,_,cons) = get_nth dl (n1+1) in
814 (* this is just an approximation since we do not have
816 let rec count_prods toskip =
818 C.Prod (_,_,bo) when toskip > 0 ->
819 count_prods (toskip - 1) bo
820 | C.Prod (_,_,bo) -> 1 + count_prods 0 bo
823 qualified_name_of_uri status current_module_uri
825 (UriManager.uri_of_string
826 (UriManager.buri_of_uri uri ^ "/" ^ id ^ ".con")),
827 count_prods paramsno ty
830 if not (is_mcu_type uri) then rc, "","","",""
831 else rc, !current_go_up, "))", "( .< (", " ) >.)"
832 | _ -> raise CicExportationInternalError
835 let connames_and_argsno_and_patterns =
839 | (x,no)::tlx,y::tly -> (x,no,y)::(combine (tlx,tly))
840 | _,_ -> assert false
842 combine (connames_and_argsno,patterns)
845 "\n(match " ^ pp ~in_type:false te context ^ " with \n " ^
846 (String.concat "\n | "
849 let rec aux argsno context =
851 Cic.Lambda (name,ty,bo) when argsno > 0 ->
854 Cic.Anonymous -> Cic.Anonymous
855 | Cic.Name n -> Cic.Name (ppid n) in
857 aux (argsno - 1) (Some (name,Cic.Decl ty)::context)
860 (match analyze_type context ty with
861 | `Optimize -> prerr_endline "XXX contructor with l2 arg"; assert false
863 | `Sort _ -> args,res
867 | C.Name s -> s)::args,res)
868 | t when argsno = 0 -> [],pp ~in_type:false t context
870 ["{" ^ string_of_int argsno ^ " args missing}"],
871 pp ~in_type:false t context
874 if argsno = 0 then x,pp ~in_type:false y context
876 let args,body = aux argsno context y in
877 let sargs = String.concat "," args in
878 x ^ (if sargs = "" then "" else "(" ^ sargs^ ")"),
881 pattern ^ " -> " ^ go_down ^
882 (if needs_obj_magic then
883 "Obj.magic (" ^ body ^ ")"
886 ) connames_and_argsno_and_patterns)) ^
888 | C.Fix (no, funs) ->
891 (fun (types,len) (n,_,ty,_) ->
892 (Some (C.Name n,(C.Decl (CicSubstitution.lift len ty)))::types,
898 (fun (name,ind,ty,bo) i -> name ^ " = \n" ^
899 pp ~in_type:false bo (names@context) ^ i)
902 (match get_nth names (no + 1) with
903 Some (Cic.Name n,_) -> n
905 | C.CoFix (no,funs) ->
908 (fun (types,len) (n,ty,_) ->
909 (Some (C.Name n,(C.Decl (CicSubstitution.lift len ty)))::types,
915 (fun (name,ty,bo) i -> "\n" ^ name ^
916 " : " ^ pp ~in_type:true ty context ^ " := \n" ^
917 pp ~in_type:false bo (names@context) ^ i)
923 exception CicExportationInternalError;;
924 exception NotEnoughElements;;
929 UriManager.eq (UriManager.uri_of_string
930 "cic:/matita/freescale/opcode/mcu_type.ind") u
933 (* Utility functions *)
935 let analyze_term context t =
936 match fst(CicTypeChecker.type_of_aux' [] context t CicUniv.oblivion_ugraph)with
937 | Cic.Sort _ -> `Type
938 | Cic.MutInd (u,0,_) when is_mcu_type u -> `Optimize
941 fst (CicTypeChecker.type_of_aux' [] context ty CicUniv.oblivion_ugraph)
943 | Cic.Sort Cic.Prop -> `Proof
947 let analyze_type context t =
950 Cic.Sort s -> `Sort s
951 | Cic.MutInd (u,0,_) when is_mcu_type u -> `Optimize
952 | Cic.Prod (_,_,t) -> aux t
953 | _ -> `SomethingElse
956 `Sort _ | `Optimize as res -> res
959 fst(CicTypeChecker.type_of_aux' [] context t CicUniv.oblivion_ugraph)
961 Cic.Sort Cic.Prop -> `Statement
975 let n = String.uncapitalize n in
976 if List.mem n reserved then n ^ "_" else n
982 | Cic.Anonymous -> "_"
985 (* get_nth l n returns the nth element of the list l if it exists or *)
986 (* raises NotEnoughElements if l has less than n elements *)
987 let rec get_nth l n =
990 | (n, he::tail) when n > 1 -> get_nth tail (n-1)
991 | (_,_) -> raise NotEnoughElements
994 let qualified_name_of_uri status current_module_uri ?(capitalize=false) uri =
997 String.capitalize (UriManager.name_of_uri status uri)
999 ppid (UriManager.name_of_uri status uri) in
1001 let suri = UriManager.buri_of_uri uri in
1002 let s = String.sub suri 5 (String.length suri - 5) in
1003 let s = Pcre.replace ~pat:"/" ~templ:"_" s in
1004 String.uncapitalize s in
1005 if current_module_uri = UriManager.buri_of_uri uri then
1008 String.capitalize filename ^ "." ^ name
1011 let current_go_up = ref "(.!(";;
1014 current_go_up := "(.~(";
1016 current_go_up := "(.!(";
1019 current_go_up := "(.!(";
1023 let pp current_module_uri ?metasenv ~in_type =
1024 let rec pp ~in_type t context =
1025 let module C = Cic in
1030 (match get_nth context n with
1031 Some (C.Name s,_) -> ppid s
1032 | Some (C.Anonymous,_) -> "__" ^ string_of_int n
1033 | None -> "_hidden_" ^ string_of_int n
1036 NotEnoughElements -> string_of_int (List.length context - n)
1038 | C.Var (uri,exp_named_subst) ->
1039 qualified_name_of_uri status current_module_uri uri ^
1040 pp_exp_named_subst exp_named_subst context
1042 (match metasenv with
1044 "?" ^ (string_of_int n) ^ "[" ^
1049 | Some t -> pp ~in_type:false t context) l1) ^
1053 let _,context,_ = CicUtil.lookup_meta n metasenv in
1054 "?" ^ (string_of_int n) ^ "[" ^
1062 | Some _, Some t -> pp ~in_type:false t context
1066 CicUtil.Meta_not_found _
1067 | Invalid_argument _ ->
1068 "???" ^ (string_of_int n) ^ "[" ^
1070 (List.rev_map (function None -> "_" | Some t ->
1071 pp ~in_type:false t context) l1) ^
1078 | C.Type _ -> "Type"
1079 (*| C.Type u -> ("Type" ^ CicUniv.string_of_universe u)*)
1080 | C.CProp _ -> "CProp"
1082 | C.Implicit (Some `Hole) -> "%"
1083 | C.Implicit _ -> "?"
1087 let n = "'" ^ String.uncapitalize n in
1088 "(" ^ pp ~in_type:true s context ^ " -> " ^
1089 pp ~in_type:true t ((Some (Cic.Name n,Cic.Decl s))::context) ^ ")"
1091 "(" ^ pp ~in_type:true s context ^ " -> " ^
1092 pp ~in_type:true t ((Some (b,Cic.Decl s))::context) ^ ")")
1093 | C.Cast (v,t) -> pp ~in_type v context
1094 | C.Lambda (b,s,t) ->
1095 (match analyze_type context s with
1097 | `Statement -> pp ~in_type t ((Some (b,Cic.Decl s))::context)
1098 | `Optimize -> prerr_endline "XXX lambda";assert false
1100 "(function " ^ ppname b ^ " -> " ^
1101 pp ~in_type t ((Some (b,Cic.Decl s))::context) ^ ")")
1102 | C.LetIn (b,s,ty,t) ->
1103 (match analyze_term context s with
1105 | `Proof -> pp ~in_type t ((Some (b,Cic.Def (s,ty)))::context)
1108 "(let " ^ ppname b ^ (*" : " ^ pp ~in_type:true ty context ^*)
1109 " = " ^ pp ~in_type:false s context ^ " in " ^
1110 pp ~in_type t ((Some (b,Cic.Def (s,ty)))::context) ^ ")")
1111 | C.Appl (he::tl) when in_type ->
1112 let hes = pp ~in_type he context in
1113 let stl = String.concat "," (clean_args_for_ty context tl) in
1114 (if stl = "" then "" else "(" ^ stl ^ ") ") ^ hes
1115 | C.Appl (C.MutInd _ as he::tl) ->
1116 let hes = pp ~in_type he context in
1117 let stl = String.concat "," (clean_args_for_ty context tl) in
1118 (if stl = "" then "" else "(" ^ stl ^ ") ") ^ hes
1119 | C.Appl (C.MutConstruct (uri,n,_,_) as he::tl) ->
1121 match fst(CicEnvironment.get_obj CicUniv.oblivion_ugraph uri) with
1122 C.InductiveDefinition (_,_,nparams,_) -> nparams
1123 | _ -> assert false in
1124 let hes = pp ~in_type he context in
1125 let stl = String.concat "," (clean_args_for_constr nparams context tl) in
1126 "(" ^ hes ^ (if stl = "" then "" else "(" ^ stl ^ ")") ^ ")"
1128 "(" ^ String.concat " " (clean_args context li) ^ ")"
1129 | C.Const (uri,exp_named_subst) ->
1130 qualified_name_of_uri status current_module_uri uri ^
1131 pp_exp_named_subst exp_named_subst context
1132 | C.MutInd (uri,n,exp_named_subst) ->
1134 match fst(CicEnvironment.get_obj CicUniv.oblivion_ugraph uri) with
1135 C.InductiveDefinition (dl,_,_,_) ->
1136 let (name,_,_,_) = get_nth dl (n+1) in
1137 qualified_name_of_uri status current_module_uri
1138 (UriManager.uri_of_string
1139 (UriManager.buri_of_uri uri ^ "/" ^ name ^ ".con")) ^
1140 pp_exp_named_subst exp_named_subst context
1141 | _ -> raise CicExportationInternalError
1143 Sys.Break as exn -> raise exn
1144 | _ -> UriManager.string_of_uri uri ^ "#1/" ^ string_of_int (n + 1)
1146 | C.MutConstruct (uri,n1,n2,exp_named_subst) ->
1148 match fst(CicEnvironment.get_obj CicUniv.oblivion_ugraph uri) with
1149 C.InductiveDefinition (dl,_,_,_) ->
1150 let _,_,_,cons = get_nth dl (n1+1) in
1151 let id,_ = get_nth cons n2 in
1152 qualified_name_of_uri status current_module_uri ~capitalize:true
1153 (UriManager.uri_of_string
1154 (UriManager.buri_of_uri uri ^ "/" ^ id ^ ".con")) ^
1155 pp_exp_named_subst exp_named_subst context
1156 | _ -> raise CicExportationInternalError
1158 Sys.Break as exn -> raise exn
1160 UriManager.string_of_uri uri ^ "#1/" ^ string_of_int (n1 + 1) ^ "/" ^
1163 | C.MutCase (uri,n1,ty,te,patterns) ->
1165 "unit (* TOO POLYMORPHIC TYPE *)"
1167 let rec needs_obj_magic ty =
1168 match CicReduction.whd context ty with
1169 | Cic.Lambda (_,_,(Cic.Lambda(_,_,_) as t)) -> needs_obj_magic t
1170 | Cic.Lambda (_,_,t) -> not (DoubleTypeInference.does_not_occur 1 t)
1171 | _ -> false (* it can be a Rel, e.g. in *_rec *)
1173 let needs_obj_magic = needs_obj_magic ty in
1174 (match analyze_term context te with
1175 `Type -> assert false
1177 (match patterns with
1178 [] -> "assert false" (* empty type elimination *)
1180 pp ~in_type:false he context (* singleton elimination *)
1181 | _ -> assert false)
1184 if patterns = [] then "assert false"
1186 (let connames_and_argsno, go_up, go_pu, go_down, go_nwod =
1187 (match fst(CicEnvironment.get_obj CicUniv.oblivion_ugraph uri) with
1188 C.InductiveDefinition (dl,_,paramsno,_) ->
1189 let (_,_,_,cons) = get_nth dl (n1+1) in
1193 (* this is just an approximation since we do not have
1195 let rec count_prods toskip =
1197 C.Prod (_,_,bo) when toskip > 0 ->
1198 count_prods (toskip - 1) bo
1199 | C.Prod (_,_,bo) -> 1 + count_prods 0 bo
1202 qualified_name_of_uri status current_module_uri
1204 (UriManager.uri_of_string
1205 (UriManager.buri_of_uri uri ^ "/" ^ id ^ ".con")),
1206 count_prods paramsno ty
1209 if not (is_mcu_type uri) then rc, "","","",""
1210 else rc, !current_go_up, "))", "( .< (", " ) >.)"
1211 | _ -> raise CicExportationInternalError
1214 let connames_and_argsno_and_patterns =
1218 | (x,no)::tlx,y::tly -> (x,no,y)::(combine (tlx,tly))
1219 | _,_ -> assert false
1221 combine (connames_and_argsno,patterns)
1224 "\n(match " ^ pp ~in_type:false te context ^ " with \n " ^
1225 (String.concat "\n | "
1227 (fun (x,argsno,y) ->
1228 let rec aux argsno context =
1230 Cic.Lambda (name,ty,bo) when argsno > 0 ->
1233 Cic.Anonymous -> Cic.Anonymous
1234 | Cic.Name n -> Cic.Name (ppid n) in
1236 aux (argsno - 1) (Some (name,Cic.Decl ty)::context)
1239 (match analyze_type context ty with
1240 | `Optimize -> prerr_endline "XXX contructor with l2 arg"; assert false
1242 | `Sort _ -> args,res
1246 | C.Name s -> s)::args,res)
1247 | t when argsno = 0 -> [],pp ~in_type:false t context
1249 ["{" ^ string_of_int argsno ^ " args missing}"],
1250 pp ~in_type:false t context
1253 if argsno = 0 then x,pp ~in_type:false y context
1255 let args,body = aux argsno context y in
1256 let sargs = String.concat "," args in
1257 x ^ (if sargs = "" then "" else "(" ^ sargs^ ")"),
1260 pattern ^ " -> " ^ go_down ^
1261 (if needs_obj_magic then
1262 "Obj.magic (" ^ body ^ ")"
1265 ) connames_and_argsno_and_patterns)) ^
1267 | C.Fix (no, funs) ->
1270 (fun (types,len) (n,_,ty,_) ->
1271 (Some (C.Name n,(C.Decl (CicSubstitution.lift len ty)))::types,
1277 (fun (name,ind,ty,bo) i -> name ^ " = \n" ^
1278 pp ~in_type:false bo (names@context) ^ i)
1281 (match get_nth names (no + 1) with
1282 Some (Cic.Name n,_) -> n
1283 | _ -> assert false)
1284 | C.CoFix (no,funs) ->
1287 (fun (types,len) (n,ty,_) ->
1288 (Some (C.Name n,(C.Decl (CicSubstitution.lift len ty)))::types,
1294 (fun (name,ty,bo) i -> "\n" ^ name ^
1295 " : " ^ pp ~in_type:true ty context ^ " := \n" ^
1296 pp ~in_type:false bo (names@context) ^ i)
1299 and pp_exp_named_subst exp_named_subst context =
1300 if exp_named_subst = [] then "" else
1302 String.concat " ; " (
1304 (function (uri,t) -> UriManager.name_of_uri status uri ^ " \\Assign " ^ pp ~in_type:false t context)
1307 and clean_args_for_constr nparams context =
1308 let nparams = ref nparams in
1312 match analyze_term context t with
1313 `Term when !nparams < 0 -> Some (pp ~in_type:false t context)
1318 and clean_args context =
1320 | [] | [_] -> assert false
1321 | he::arg1::tl as l ->
1322 let head_arg1, rest =
1323 match analyze_term context arg1 with
1325 !current_go_up :: pp ~in_type:false he context ::
1326 pp ~in_type:false arg1 context :: ["))"], tl
1332 match analyze_term context t with
1333 | `Term -> Some (pp ~in_type:false t context)
1335 prerr_endline "XXX function taking twice (or not as first) a l2 term"; assert false
1337 | `Proof -> None) rest
1338 and clean_args_for_ty context =
1341 match analyze_term context t with
1342 `Type -> Some (pp ~in_type:true t context)
1350 let ppty current_module_uri =
1351 (* nparams is the number of left arguments
1352 left arguments should either become parameters or be skipped altogether *)
1353 let rec args nparams context =
1358 Cic.Anonymous -> Cic.Anonymous
1359 | Cic.Name n -> Cic.Name (String.uncapitalize n)
1361 (match analyze_type context s with
1365 args (nparams - 1) ((Some (n,Cic.Decl s))::context) t
1366 | `Type when nparams > 0 ->
1367 args (nparams - 1) ((Some (n,Cic.Decl s))::context) t
1370 args (nparams - 1) ((Some (n,Cic.Decl s))::context) t in
1371 abstr,pp ~in_type:true current_module_uri s context::args
1372 | `Sort _ when nparams <= 0 ->
1373 let n = Cic.Name "unit (* EXISTENTIAL TYPE *)" in
1374 args (nparams - 1) ((Some (n,Cic.Decl s))::context) t
1378 Cic.Anonymous -> Cic.Anonymous
1379 | Cic.Name name -> Cic.Name ("'" ^ name) in
1381 args (nparams - 1) ((Some (n,Cic.Decl s))::context) t
1384 Cic.Anonymous -> abstr
1385 | Cic.Name name -> name::abstr),
1392 exception DoNotExtract;;
1394 let pp_abstracted_ty current_module_uri =
1395 let rec args context =
1397 Cic.Lambda (n,s,t) ->
1400 Cic.Anonymous -> Cic.Anonymous
1401 | Cic.Name n -> Cic.Name (String.uncapitalize n)
1403 (match analyze_type context s with
1408 args ((Some (n,Cic.Decl s))::context) t
1412 Cic.Anonymous -> Cic.Anonymous
1413 | Cic.Name name -> Cic.Name ("'" ^ name) in
1415 args ((Some (n,Cic.Decl s))::context) t
1418 Cic.Anonymous -> abstr
1419 | Cic.Name name -> name::abstr),
1422 match analyze_type context ty with
1424 prerr_endline "XXX abstracted l2 ty"; assert false
1426 | `Statement -> raise DoNotExtract
1428 (* BUG HERE: this can be a real System F type *)
1429 let head = pp ~in_type:true current_module_uri ty context in
1436 (* ppinductiveType (typename, inductive, arity, cons) *)
1437 (* pretty-prints a single inductive definition *)
1438 (* (typename, inductive, arity, cons) *)
1439 let ppinductiveType current_module_uri nparams (typename, inductive, arity, cons)
1441 match analyze_type [] arity with
1442 `Sort Cic.Prop -> ""
1445 | `Type -> assert false
1448 "type " ^ String.uncapitalize typename ^ " = unit (* empty type *)\n"
1452 (fun (id,ty) (_abstr,i) -> (* we should verify _abstr = abstr' *)
1453 let abstr',sargs = ppty current_module_uri nparams [] ty in
1454 let sargs = String.concat " * " sargs in
1456 String.capitalize id ^
1457 (if sargs = "" then "" else " of " ^ sargs) ^
1458 (if i = "" then "" else "\n | ") ^ i)
1462 let s = String.concat "," abstr in
1463 if s = "" then "" else "(" ^ s ^ ") "
1465 "type " ^ abstr ^ String.uncapitalize typename ^ " =\n" ^ scons ^ "\n")
1468 let ppobj current_module_uri obj =
1469 let module C = Cic in
1470 let module U = UriManager in
1471 let pp ~in_type = pp ~in_type current_module_uri in
1473 C.Constant (name, Some t1, t2, params, _) ->
1474 (match analyze_type [] t2 with
1480 | Cic.Lambda (Cic.Name arg, s, t) ->
1481 (match analyze_type [] s with
1484 "let " ^ ppid name ^ "__1 = function " ^ ppid arg
1486 at_level2 (pp ~in_type:false t) [Some (Cic.Name arg, Cic.Decl s)]
1488 ^ "let " ^ ppid name ^ "__2 = ref ([] : (unit list*unit list) list);;\n"
1489 ^ "let " ^ ppid name ^ " = function " ^ ppid arg
1490 ^ " -> (try ignore (List.assoc "^ppid arg^" (Obj.magic !"^ppid name
1491 ^"__2)) with Not_found -> "^ppid name^"__2 := (Obj.magic ("
1492 ^ ppid arg^",.! ("^ppid name^"__1 "^ppid arg^")))::!"
1493 ^ppid name^"__2); .< List.assoc "^ppid arg^" (Obj.magic (!"
1494 ^ppid name^"__2)) >.\n;;\n"
1495 ^" let xxx = prerr_endline \""^ppid name^"\"; .!("^ppid
1496 name^" Matita_freescale_opcode.HCS08)"
1498 "let " ^ ppid name ^ " =\n" ^ pp ~in_type:false t1 [] ^ "\n")
1499 | _ -> "let " ^ ppid name ^ " =\n" ^ pp ~in_type:false t1 [] ^ "\n")
1501 match analyze_type [] t1 with
1502 `Sort Cic.Prop -> ""
1503 | `Optimize -> prerr_endline "XXX aliasing l2 type"; assert false
1506 let abstr,res = pp_abstracted_ty current_module_uri [] t1 in
1508 let s = String.concat "," abstr in
1509 if s = "" then "" else "(" ^ s ^ ") "
1511 "type " ^ abstr ^ ppid name ^ " = " ^ res ^ "\n"
1513 DoNotExtract -> ""))
1514 | C.Constant (name, None, ty, params, _) ->
1515 (match analyze_type [] ty with
1517 | `Optimize -> prerr_endline "XXX axiom l2"; assert false
1519 | `Sort _ -> "type " ^ ppid name ^ "\n"
1520 | `Type -> "let " ^ ppid name ^ " = assert false\n")
1521 | C.Variable (name, bo, ty, params, _) ->
1522 "Variable " ^ name ^
1523 "(" ^ String.concat ";" (List.map UriManager.string_of_uri params) ^
1525 pp ~in_type:true ty [] ^ "\n" ^
1526 (match bo with None -> "" | Some bo -> ":= " ^ pp ~in_type:false bo [])
1527 | C.CurrentProof (name, conjectures, value, ty, params, _) ->
1528 "Current Proof of " ^ name ^
1529 "(" ^ String.concat ";" (List.map UriManager.string_of_uri params) ^
1531 let separate s = if s = "" then "" else s ^ " ; " in
1533 (fun (n, context, t) i ->
1534 let conjectures',name_context =
1536 (fun context_entry (i,name_context) ->
1537 (match context_entry with
1538 Some (n,C.Decl at) ->
1541 pp ~in_type:true ~metasenv:conjectures
1542 at name_context ^ " ",
1543 context_entry::name_context
1544 | Some (n,C.Def (at,aty)) ->
1547 pp ~in_type:true ~metasenv:conjectures
1549 ":= " ^ pp ~in_type:false
1550 ~metasenv:conjectures at name_context ^ " ",
1551 context_entry::name_context
1553 (separate i) ^ "_ :? _ ", context_entry::name_context)
1556 conjectures' ^ " |- " ^ "?" ^ (string_of_int n) ^ ": " ^
1557 pp ~in_type:true ~metasenv:conjectures t name_context ^ "\n" ^ i
1559 "\n" ^ pp ~in_type:false ~metasenv:conjectures value [] ^ " : " ^
1560 pp ~in_type:true ~metasenv:conjectures ty []
1561 | C.InductiveDefinition (l, params, nparams, _) ->
1563 (fun x i -> ppinductiveType current_module_uri nparams x ^ i) l ""
1566 let ppobj current_module_uri obj =
1567 let res = ppobj current_module_uri obj in
1568 if res = "" then "" else res ^ ";;\n\n"