helm/ocaml/cic_transformations/cic2Xml.ml

   1 (* Copyright (C) 2000-2004, HELM Team.
   2  *
   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.
   6  *
   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.
  11  *
  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.
  16  *
  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,
  20  * MA  02111-1307, USA.
  21  *
  22  * For details, see the HELM World-Wide-Web page,
  23  * http://helm.cs.unibo.it/
  24  *)
  25
  26 (*CSC codice cut & paste da cicPp e xmlcommand *)
  27
  28 exception NotImplemented;;
  29
  30 let dtdname ~ask_dtd_to_the_getter dtd =
  31  if ask_dtd_to_the_getter then
  32   Helm_registry.get "getter.url" ^ "getdtd?uri=" ^ dtd
  33  else
  34   "http://mowgli.cs.unibo.it/dtd/" ^ dtd
  35 ;;
  36
  37 let param_attribute_of_params params =
  38  String.concat " " (List.map UriManager.string_of_uri params)
  39 ;;
  40
  41 (*CSC ottimizzazione: al posto di curi cdepth (vedi codice) *)
  42 let print_term ?ids_to_inner_sorts =
  43  let find_sort name id =
  44   match ids_to_inner_sorts with
  45      None -> []
  46    | Some ids_to_inner_sorts ->
  47       [None,name,Cic2acic.string_of_sort (Hashtbl.find ids_to_inner_sorts id)]
  48  in
  49  let rec aux =
  50   let module C = Cic in
  51   let module X = Xml in
  52   let module U = UriManager in
  53     function
  54        C.ARel (id,idref,n,b) ->
  55         let sort = find_sort "sort" id in
  56          X.xml_empty "REL"
  57           (sort @
  58            [None,"value",(string_of_int n) ; None,"binder",b ; None,"id",id ;
  59            None,"idref",idref])
  60      | C.AVar (id,uri,exp_named_subst) ->
  61         let sort = find_sort "sort" id in
  62          aux_subst uri
  63           (X.xml_empty "VAR"
  64             (sort @ [None,"uri",U.string_of_uri uri;None,"id",id]))
  65           exp_named_subst
  66      | C.AMeta (id,n,l) ->
  67         let sort = find_sort "sort" id in
  68          X.xml_nempty "META"
  69           (sort @ [None,"no",(string_of_int n) ; None,"id",id])
  70           (List.fold_left
  71             (fun i t ->
  72               match t with
  73                  Some t' ->
  74                   [< i ; X.xml_nempty "substitution" [] (aux t') >]
  75                | None ->
  76                   [< i ; X.xml_empty "substitution" [] >]
  77             ) [< >] l)
  78      | C.ASort (id,s) ->
  79         let string_of_sort s =
  80           Cic2acic.string_of_sort (Cic2acic.sort_of_sort s)
  81         in
  82          X.xml_empty "SORT" [None,"value",(string_of_sort s) ; None,"id",id]
  83      | C.AImplicit _ -> raise NotImplemented
  84      | C.AProd (last_id,_,_,_) as prods ->
  85         let rec eat_prods =
  86          function
  87             C.AProd (id,n,s,t) ->
  88              let prods,t' = eat_prods t in
  89               (id,n,s)::prods,t'
  90           | t -> [],t
  91         in
  92          let prods,t = eat_prods prods in
  93           let sort = find_sort "type" last_id in
  94            X.xml_nempty "PROD" sort
  95             [< List.fold_left
  96                 (fun i (id,binder,s) ->
  97                   let sort = find_sort "type" (Cic2acic.source_id_of_id id) in
  98                    let attrs =
  99                     sort @ ((None,"id",id)::
 100                      match binder with
 101                         C.Anonymous -> []
 102                       | C.Name b -> [None,"binder",b])
 103                    in
 104                     [< i ; X.xml_nempty "decl" attrs (aux s) >]
 105                 ) [< >] prods ;
 106                X.xml_nempty "target" [] (aux t)
 107             >]
 108      | C.ACast (id,v,t) ->
 109         let sort = find_sort "sort" id in
 110          X.xml_nempty "CAST" (sort @ [None,"id",id])
 111           [< X.xml_nempty "term" [] (aux v) ;
 112              X.xml_nempty "type" [] (aux t)
 113           >]
 114      | C.ALambda (last_id,_,_,_) as lambdas ->
 115         let rec eat_lambdas =
 116          function
 117             C.ALambda (id,n,s,t) ->
 118              let lambdas,t' = eat_lambdas t in
 119               (id,n,s)::lambdas,t'
 120           | t -> [],t
 121         in
 122          let lambdas,t = eat_lambdas lambdas in
 123           let sort = find_sort "sort" last_id in
 124            X.xml_nempty "LAMBDA" sort
 125             [< List.fold_left
 126                 (fun i (id,binder,s) ->
 127                   let sort = find_sort "type" (Cic2acic.source_id_of_id id) in
 128                    let attrs =
 129                     sort @ ((None,"id",id)::
 130                      match binder with
 131                         C.Anonymous -> []
 132                       | C.Name b -> [None,"binder",b])
 133                    in
 134                     [< i ; X.xml_nempty "decl" attrs (aux s) >]
 135                 ) [< >] lambdas ;
 136                X.xml_nempty "target" [] (aux t)
 137             >]
 138      | C.ALetIn (xid,C.Anonymous,s,t) ->
 139        assert false
 140      | C.ALetIn (last_id,C.Name _,_,_) as letins ->
 141         let rec eat_letins =
 142          function
 143             C.ALetIn (id,n,s,t) ->
 144              let letins,t' = eat_letins t in
 145               (id,n,s)::letins,t'
 146           | t -> [],t
 147         in
 148          let letins,t = eat_letins letins in
 149           let sort = find_sort "sort" last_id in
 150            X.xml_nempty "LETIN" sort
 151             [< List.fold_left
 152                 (fun i (id,binder,s) ->
 153                   let sort = find_sort "sort" id in
 154                    let attrs =
 155                     sort @ ((None,"id",id)::
 156                      match binder with
 157                         C.Anonymous -> []
 158                       | C.Name b -> [None,"binder",b])
 159                    in
 160                     [< i ; X.xml_nempty "def" attrs (aux s) >]
 161                 ) [< >] letins ;
 162                X.xml_nempty "target" [] (aux t)
 163             >]
 164      | C.AAppl (id,li) ->
 165         let sort = find_sort "sort" id in
 166          X.xml_nempty "APPLY" (sort @ [None,"id",id])
 167           [< (List.fold_right (fun x i -> [< (aux x) ; i >]) li [<>])
 168           >]
 169      | C.AConst (id,uri,exp_named_subst) ->
 170         let sort = find_sort "sort" id in
 171          aux_subst uri
 172           (X.xml_empty "CONST"
 173             (sort @ [None,"uri",(U.string_of_uri uri) ; None,"id",id])
 174           ) exp_named_subst
 175      | C.AMutInd (id,uri,i,exp_named_subst) ->
 176         aux_subst uri
 177          (X.xml_empty "MUTIND"
 178            [None, "uri", (U.string_of_uri uri) ;
 179             None, "noType", (string_of_int i) ;
 180             None, "id", id]
 181          ) exp_named_subst
 182      | C.AMutConstruct (id,uri,i,j,exp_named_subst) ->
 183         let sort = find_sort "sort" id in
 184          aux_subst uri
 185           (X.xml_empty "MUTCONSTRUCT"
 186             (sort @
 187              [None,"uri", (U.string_of_uri uri) ;
 188               None,"noType",(string_of_int i) ;
 189               None,"noConstr",(string_of_int j) ;
 190               None,"id",id])
 191           ) exp_named_subst
 192      | C.AMutCase (id,uri,typeno,ty,te,patterns) ->
 193         let sort = find_sort "sort" id in
 194          X.xml_nempty "MUTCASE"
 195           (sort @
 196            [None,"uriType",(U.string_of_uri uri) ;
 197             None,"noType", (string_of_int typeno) ;
 198             None,"id", id])
 199           [< X.xml_nempty "patternsType" [] [< (aux ty) >] ;
 200              X.xml_nempty "inductiveTerm" [] [< (aux te) >] ;
 201              List.fold_right
 202               (fun x i -> [< X.xml_nempty "pattern" [] [< aux x >] ; i>])
 203               patterns [<>]
 204           >]
 205      | C.AFix (id, no, funs) ->
 206         let sort = find_sort "sort" id in
 207          X.xml_nempty "FIX"
 208           (sort @ [None,"noFun", (string_of_int no) ; None,"id",id])
 209           [< List.fold_right
 210               (fun (id,fi,ai,ti,bi) i ->
 211                 [< X.xml_nempty "FixFunction"
 212                     [None,"id",id ; None,"name", fi ;
 213                      None,"recIndex", (string_of_int ai)]
 214                     [< X.xml_nempty "type" [] [< aux ti >] ;
 215                        X.xml_nempty "body" [] [< aux bi >]
 216                     >] ;
 217                    i
 218                 >]
 219               ) funs [<>]
 220           >]
 221      | C.ACoFix (id,no,funs) ->
 222         let sort = find_sort "sort" id in
 223          X.xml_nempty "COFIX"
 224           (sort @ [None,"noFun", (string_of_int no) ; None,"id",id])
 225           [< List.fold_right
 226               (fun (id,fi,ti,bi) i ->
 227                 [< X.xml_nempty "CofixFunction" [None,"id",id ; None,"name", fi]
 228                     [< X.xml_nempty "type" [] [< aux ti >] ;
 229                        X.xml_nempty "body" [] [< aux bi >]
 230                     >] ;
 231                    i
 232                 >]
 233               ) funs [<>]
 234           >]
 235  and aux_subst buri target subst =
 236 (*CSC: I have now no way to assign an ID to the explicit named substitution *)
 237   let id = None in
 238    if subst = [] then
 239     target
 240    else
 241     Xml.xml_nempty "instantiate"
 242      (match id with None -> [] | Some id -> [None,"id",id])
 243      [< target ;
 244         List.fold_left
 245          (fun i (uri,arg) ->
 246            let relUri =
 247             let buri_frags =
 248              Str.split (Str.regexp "/") (UriManager.string_of_uri buri) in
 249             let uri_frags =
 250              Str.split (Str.regexp "/") (UriManager.string_of_uri uri)  in
 251              let rec find_relUri buri_frags uri_frags =
 252               match buri_frags,uri_frags with
 253                  [_], _ -> String.concat "/" uri_frags
 254                | he1::tl1, he2::tl2 ->
 255                   assert (he1 = he2) ;
 256                   find_relUri tl1 tl2
 257                | _,_ -> assert false (* uri is not relative to buri *)
 258              in
 259               find_relUri buri_frags uri_frags
 260            in
 261             [< i ; Xml.xml_nempty "arg" [None,"relUri", relUri] (aux arg) >]
 262          ) [<>] subst
 263      >]
 264   in
 265    aux
 266 ;;
 267
 268 let xml_of_attrs attributes =
 269   let class_of = function
 270     | `Coercion -> Xml.xml_empty "class" [None,"value","coercion"]
 271     | `Elim s ->
 272         Xml.xml_nempty "class" [None,"value","elim"]
 273          [< Xml.xml_empty
 274              "SORT" [None,"value",
 275                       (Cic2acic.string_of_sort (Cic2acic.sort_of_sort s)) ;
 276                      None,"id","elimination_sort"] >]
 277     | `Record field_names ->
 278         Xml.xml_nempty "class" [None,"value","record"]
 279          (List.fold_right
 280            (fun name res ->
 281              [< Xml.xml_empty "field" [None,"name",name]; res >]
 282            ) field_names [<>])
 283     | `Projection -> Xml.xml_empty "class" [None,"value","projection"]
 284   in
 285   let flavour_of = function
 286     | `Definition -> Xml.xml_empty "flavour" [None, "value", "definition"]
 287     | `Fact -> Xml.xml_empty "flavour" [None, "value", "fact"]
 288     | `Lemma -> Xml.xml_empty "flavour" [None, "value", "lemma"]
 289     | `Remark -> Xml.xml_empty "flavour" [None, "value", "remark"]
 290     | `Theorem -> Xml.xml_empty "flavour" [None, "value", "theorem"]
 291     | `Variant -> Xml.xml_empty "flavour" [None, "value", "variant"]
 292   in
 293   let xml_attr_of = function
 294     | `Generated -> Xml.xml_empty "generated" []
 295     | `Class c -> class_of c
 296     | `Flavour f -> flavour_of f
 297   in
 298   let xml_attrs =
 299    List.fold_right
 300     (fun attr res -> [< xml_attr_of attr ; res >]) attributes [<>]
 301   in
 302    Xml.xml_nempty "attributes" [] xml_attrs
 303
 304 let print_object uri ?ids_to_inner_sorts ~ask_dtd_to_the_getter obj =
 305  let module C = Cic in
 306  let module X = Xml in
 307  let module U = UriManager in
 308   let dtdname = dtdname ~ask_dtd_to_the_getter "cic.dtd" in
 309    match obj with
 310        C.ACurrentProof (id,idbody,n,conjectures,bo,ty,params,obj_attrs) ->
 311         let params' = param_attribute_of_params params in
 312         let xml_attrs = xml_of_attrs obj_attrs in
 313         let xml_for_current_proof_body =
 314 (*CSC: Should the CurrentProof also have the list of variables it depends on? *)
 315 (*CSC: I think so. Not implemented yet.                                       *)
 316          X.xml_nempty "CurrentProof"
 317           [None,"of",UriManager.string_of_uri uri ; None,"id", id]
 318           [< xml_attrs;
 319             List.fold_left
 320               (fun i (cid,n,canonical_context,t) ->
 321                 [< i ;
 322                    X.xml_nempty "Conjecture"
 323                     [None,"id",cid ; None,"no",(string_of_int n)]
 324                     [< List.fold_left
 325                         (fun i (hid,t) ->
 326                           [< (match t with
 327                                  Some (n,C.ADecl t) ->
 328                                   X.xml_nempty "Decl"
 329                                    (match n with
 330                                        C.Name n' ->
 331                                         [None,"id",hid;None,"name",n']
 332                                      | C.Anonymous -> [None,"id",hid])
 333                                    (print_term ?ids_to_inner_sorts t)
 334                                | Some (n,C.ADef t) ->
 335                                   X.xml_nempty "Def"
 336                                    (match n with
 337                                        C.Name n' ->
 338                                         [None,"id",hid;None,"name",n']
 339                                      | C.Anonymous -> [None,"id",hid])
 340                                    (print_term ?ids_to_inner_sorts t)
 341                               | None -> X.xml_empty "Hidden" [None,"id",hid]
 342                              ) ;
 343                              i
 344                           >]
 345                         ) [< >] canonical_context ;
 346                        X.xml_nempty "Goal" []
 347                         (print_term ?ids_to_inner_sorts t)
 348                     >]
 349                 >])
 350               [< >] conjectures ;
 351              X.xml_nempty "body" [] (print_term ?ids_to_inner_sorts bo) >]
 352         in
 353         let xml_for_current_proof_type =
 354          X.xml_nempty "ConstantType"
 355           [None,"name",n ; None,"params",params' ; None,"id", id]
 356           (print_term ?ids_to_inner_sorts ty)
 357         in
 358         let xmlbo =
 359          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 360             X.xml_cdata ("<!DOCTYPE CurrentProof SYSTEM \""^ dtdname ^ "\">\n");
 361             xml_for_current_proof_body
 362          >] in
 363         let xmlty =
 364          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 365             X.xml_cdata ("<!DOCTYPE ConstantType SYSTEM \""^ dtdname ^ "\">\n");
 366             xml_for_current_proof_type
 367          >]
 368         in
 369          xmlty, Some xmlbo
 370      | C.AConstant (id,idbody,n,bo,ty,params,obj_attrs) ->
 371         let params' = param_attribute_of_params params in
 372         let xml_attrs = xml_of_attrs obj_attrs in
 373         let xmlbo =
 374          match bo with
 375             None -> None
 376           | Some bo ->
 377              Some
 378               [< X.xml_cdata
 379                   "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 380                  X.xml_cdata
 381                   ("<!DOCTYPE ConstantBody SYSTEM \"" ^ dtdname ^ "\">\n") ;
 382                  X.xml_nempty "ConstantBody"
 383                   [None,"for",UriManager.string_of_uri uri ;
 384                    None,"params",params' ; None,"id", id]
 385                   [< print_term ?ids_to_inner_sorts bo >]
 386               >]
 387         in
 388         let xmlty =
 389          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 390             X.xml_cdata ("<!DOCTYPE ConstantType SYSTEM \""^ dtdname ^ "\">\n");
 391              X.xml_nempty "ConstantType"
 392               [None,"name",n ; None,"params",params' ; None,"id", id]
 393               [< xml_attrs; print_term ?ids_to_inner_sorts ty >]
 394          >]
 395         in
 396          xmlty, xmlbo
 397      | C.AVariable (id,n,bo,ty,params,obj_attrs) ->
 398         let params' = param_attribute_of_params params in
 399         let xml_attrs = xml_of_attrs obj_attrs in
 400         let xmlbo =
 401          match bo with
 402             None -> [< >]
 403           | Some bo ->
 404              X.xml_nempty "body" [] [< print_term ?ids_to_inner_sorts bo >]
 405         in
 406         let aobj =
 407          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 408             X.xml_cdata ("<!DOCTYPE Variable SYSTEM \"" ^ dtdname ^ "\">\n");
 409              X.xml_nempty "Variable"
 410               [None,"name",n ; None,"params",params' ; None,"id", id]
 411               [< xml_attrs; xmlbo;
 412                  X.xml_nempty "type" [] (print_term ?ids_to_inner_sorts ty)
 413               >]
 414          >]
 415         in
 416          aobj, None
 417      | C.AInductiveDefinition (id,tys,params,nparams,obj_attrs) ->
 418         let params' = param_attribute_of_params params in
 419         let xml_attrs = xml_of_attrs obj_attrs in
 420          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 421             X.xml_cdata
 422              ("<!DOCTYPE InductiveDefinition SYSTEM \"" ^ dtdname ^ "\">\n") ;
 423             X.xml_nempty "InductiveDefinition"
 424              [None,"noParams",string_of_int nparams ;
 425               None,"id",id ;
 426               None,"params",params']
 427              [< xml_attrs;
 428                 (List.fold_left
 429                   (fun i (id,typename,finite,arity,cons) ->
 430                     [< i ;
 431                        X.xml_nempty "InductiveType"
 432                         [None,"id",id ; None,"name",typename ;
 433                          None,"inductive",(string_of_bool finite)
 434                         ]
 435                         [< X.xml_nempty "arity" []
 436                             (print_term ?ids_to_inner_sorts arity) ;
 437                            (List.fold_left
 438                             (fun i (name,lc) ->
 439                               [< i ;
 440                                  X.xml_nempty "Constructor"
 441                                   [None,"name",name]
 442                                   (print_term ?ids_to_inner_sorts lc)
 443                               >]) [<>] cons
 444                            )
 445                         >]
 446                     >]
 447                   ) [< >] tys
 448                 )
 449              >]
 450          >], None
 451 ;;
 452
 453 let
 454  print_inner_types curi ~ids_to_inner_sorts ~ids_to_inner_types
 455   ~ask_dtd_to_the_getter
 456 =
 457  let module C2A = Cic2acic in
 458  let module X = Xml in
 459   let dtdname = dtdname ~ask_dtd_to_the_getter "cictypes.dtd" in
 460    [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 461       X.xml_cdata
 462        ("<!DOCTYPE InnerTypes SYSTEM \"" ^ dtdname ^ "\">\n") ;
 463       X.xml_nempty "InnerTypes" [None,"of",UriManager.string_of_uri curi]
 464        (Hashtbl.fold
 465          (fun id {C2A.annsynthesized = synty ; C2A.annexpected = expty} x ->
 466            [< x ;
 467               X.xml_nempty "TYPE" [None,"of",id]
 468                [< X.xml_nempty "synthesized" []
 469                  [< print_term ~ids_to_inner_sorts synty >] ;
 470                  match expty with
 471                    None -> [<>]
 472                  | Some expty' -> X.xml_nempty "expected" []
 473                     [< print_term ~ids_to_inner_sorts expty' >]
 474                >]
 475            >]
 476          ) ids_to_inner_types [<>]
 477        )
 478    >]
 479 ;;