components/cic_acic/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,
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  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 (* $Id$ *)
  27
  28 (*CSC codice cut & paste da cicPp e xmlcommand *)
  29
  30 exception NotImplemented;;
  31
  32 let dtdname ~ask_dtd_to_the_getter dtd =
  33  if ask_dtd_to_the_getter then
  34   Helm_registry.get "getter.url" ^ "getdtd?uri=" ^ dtd
  35  else
  36   "http://mowgli.cs.unibo.it/dtd/" ^ dtd
  37 ;;
  38
  39 let param_attribute_of_params params =
  40  String.concat " " (List.map UriManager.string_of_uri params)
  41 ;;
  42
  43 (*CSC ottimizzazione: al posto di curi cdepth (vedi codice) *)
  44 let print_term ?ids_to_inner_sorts =
  45  let find_sort name id =
  46   match ids_to_inner_sorts with
  47      None -> []
  48    | Some ids_to_inner_sorts ->
  49       [None,name,Cic2acic.string_of_sort (Hashtbl.find ids_to_inner_sorts id)]
  50  in
  51  let rec aux =
  52   let module C = Cic in
  53   let module X = Xml in
  54   let module U = UriManager in
  55     function
  56        C.ARel (id,idref,n,b) ->
  57         let sort = find_sort "sort" id in
  58          X.xml_empty "REL"
  59           (sort @
  60            [None,"value",(string_of_int n) ; None,"binder",b ; None,"id",id ;
  61            None,"idref",idref])
  62      | C.AVar (id,uri,exp_named_subst) ->
  63         let sort = find_sort "sort" id in
  64          aux_subst uri
  65           (X.xml_empty "VAR"
  66             (sort @ [None,"uri",U.string_of_uri uri;None,"id",id]))
  67           exp_named_subst
  68      | C.AMeta (id,n,l) ->
  69         let sort = find_sort "sort" id in
  70          X.xml_nempty "META"
  71           (sort @ [None,"no",(string_of_int n) ; None,"id",id])
  72           (List.fold_left
  73             (fun i t ->
  74               match t with
  75                  Some t' ->
  76                   [< i ; X.xml_nempty "substitution" [] (aux t') >]
  77                | None ->
  78                   [< i ; X.xml_empty "substitution" [] >]
  79             ) [< >] l)
  80      | C.ASort (id,s) ->
  81         let string_of_sort s =
  82           Cic2acic.string_of_sort (Cic2acic.sort_of_sort s)
  83         in
  84          X.xml_empty "SORT" [None,"value",(string_of_sort s) ; None,"id",id]
  85      | C.AImplicit _ -> raise NotImplemented
  86      | C.AProd (last_id,_,_,_) as prods ->
  87         let rec eat_prods =
  88          function
  89             C.AProd (id,n,s,t) ->
  90              let prods,t' = eat_prods t in
  91               (id,n,s)::prods,t'
  92           | t -> [],t
  93         in
  94          let prods,t = eat_prods prods in
  95           let sort = find_sort "type" last_id in
  96            X.xml_nempty "PROD" sort
  97             [< List.fold_left
  98                 (fun i (id,binder,s) ->
  99                   let sort = find_sort "type" (Cic2acic.source_id_of_id id) in
 100                    let attrs =
 101                     sort @ ((None,"id",id)::
 102                      match binder with
 103                         C.Anonymous -> []
 104                       | C.Name b -> [None,"binder",b])
 105                    in
 106                     [< i ; X.xml_nempty "decl" attrs (aux s) >]
 107                 ) [< >] prods ;
 108                X.xml_nempty "target" [] (aux t)
 109             >]
 110      | C.ACast (id,v,t) ->
 111         let sort = find_sort "sort" id in
 112          X.xml_nempty "CAST" (sort @ [None,"id",id])
 113           [< X.xml_nempty "term" [] (aux v) ;
 114              X.xml_nempty "type" [] (aux t)
 115           >]
 116      | C.ALambda (last_id,_,_,_) as lambdas ->
 117         let rec eat_lambdas =
 118          function
 119             C.ALambda (id,n,s,t) ->
 120              let lambdas,t' = eat_lambdas t in
 121               (id,n,s)::lambdas,t'
 122           | t -> [],t
 123         in
 124          let lambdas,t = eat_lambdas lambdas in
 125           let sort = find_sort "sort" last_id in
 126            X.xml_nempty "LAMBDA" sort
 127             [< List.fold_left
 128                 (fun i (id,binder,s) ->
 129                   let sort = find_sort "type" (Cic2acic.source_id_of_id id) in
 130                    let attrs =
 131                     sort @ ((None,"id",id)::
 132                      match binder with
 133                         C.Anonymous -> []
 134                       | C.Name b -> [None,"binder",b])
 135                    in
 136                     [< i ; X.xml_nempty "decl" attrs (aux s) >]
 137                 ) [< >] lambdas ;
 138                X.xml_nempty "target" [] (aux t)
 139             >]
 140      | C.ALetIn (xid,C.Anonymous,s,t) ->
 141        assert false
 142      | C.ALetIn (last_id,C.Name _,_,_) as letins ->
 143         let rec eat_letins =
 144          function
 145             C.ALetIn (id,n,s,t) ->
 146              let letins,t' = eat_letins t in
 147               (id,n,s)::letins,t'
 148           | t -> [],t
 149         in
 150          let letins,t = eat_letins letins in
 151           let sort = find_sort "sort" last_id in
 152            X.xml_nempty "LETIN" sort
 153             [< List.fold_left
 154                 (fun i (id,binder,s) ->
 155                   let sort = find_sort "sort" id in
 156                    let attrs =
 157                     sort @ ((None,"id",id)::
 158                      match binder with
 159                         C.Anonymous -> []
 160                       | C.Name b -> [None,"binder",b])
 161                    in
 162                     [< i ; X.xml_nempty "def" attrs (aux s) >]
 163                 ) [< >] letins ;
 164                X.xml_nempty "target" [] (aux t)
 165             >]
 166      | C.AAppl (id,li) ->
 167         let sort = find_sort "sort" id in
 168          X.xml_nempty "APPLY" (sort @ [None,"id",id])
 169           [< (List.fold_right (fun x i -> [< (aux x) ; i >]) li [<>])
 170           >]
 171      | C.AConst (id,uri,exp_named_subst) ->
 172         let sort = find_sort "sort" id in
 173          aux_subst uri
 174           (X.xml_empty "CONST"
 175             (sort @ [None,"uri",(U.string_of_uri uri) ; None,"id",id])
 176           ) exp_named_subst
 177      | C.AMutInd (id,uri,i,exp_named_subst) ->
 178         aux_subst uri
 179          (X.xml_empty "MUTIND"
 180            [None, "uri", (U.string_of_uri uri) ;
 181             None, "noType", (string_of_int i) ;
 182             None, "id", id]
 183          ) exp_named_subst
 184      | C.AMutConstruct (id,uri,i,j,exp_named_subst) ->
 185         let sort = find_sort "sort" id in
 186          aux_subst uri
 187           (X.xml_empty "MUTCONSTRUCT"
 188             (sort @
 189              [None,"uri", (U.string_of_uri uri) ;
 190               None,"noType",(string_of_int i) ;
 191               None,"noConstr",(string_of_int j) ;
 192               None,"id",id])
 193           ) exp_named_subst
 194      | C.AMutCase (id,uri,typeno,ty,te,patterns) ->
 195         let sort = find_sort "sort" id in
 196          X.xml_nempty "MUTCASE"
 197           (sort @
 198            [None,"uriType",(U.string_of_uri uri) ;
 199             None,"noType", (string_of_int typeno) ;
 200             None,"id", id])
 201           [< X.xml_nempty "patternsType" [] [< (aux ty) >] ;
 202              X.xml_nempty "inductiveTerm" [] [< (aux te) >] ;
 203              List.fold_right
 204               (fun x i -> [< X.xml_nempty "pattern" [] [< aux x >] ; i>])
 205               patterns [<>]
 206           >]
 207      | C.AFix (id, no, funs) ->
 208         let sort = find_sort "sort" id in
 209          X.xml_nempty "FIX"
 210           (sort @ [None,"noFun", (string_of_int no) ; None,"id",id])
 211           [< List.fold_right
 212               (fun (id,fi,ai,ti,bi) i ->
 213                 [< X.xml_nempty "FixFunction"
 214                     [None,"id",id ; None,"name", fi ;
 215                      None,"recIndex", (string_of_int ai)]
 216                     [< X.xml_nempty "type" [] [< aux ti >] ;
 217                        X.xml_nempty "body" [] [< aux bi >]
 218                     >] ;
 219                    i
 220                 >]
 221               ) funs [<>]
 222           >]
 223      | C.ACoFix (id,no,funs) ->
 224         let sort = find_sort "sort" id in
 225          X.xml_nempty "COFIX"
 226           (sort @ [None,"noFun", (string_of_int no) ; None,"id",id])
 227           [< List.fold_right
 228               (fun (id,fi,ti,bi) i ->
 229                 [< X.xml_nempty "CofixFunction" [None,"id",id ; None,"name", fi]
 230                     [< X.xml_nempty "type" [] [< aux ti >] ;
 231                        X.xml_nempty "body" [] [< aux bi >]
 232                     >] ;
 233                    i
 234                 >]
 235               ) funs [<>]
 236           >]
 237  and aux_subst buri target subst =
 238 (*CSC: I have now no way to assign an ID to the explicit named substitution *)
 239   let id = None in
 240    if subst = [] then
 241     target
 242    else
 243     Xml.xml_nempty "instantiate"
 244      (match id with None -> [] | Some id -> [None,"id",id])
 245      [< target ;
 246         List.fold_left
 247          (fun i (uri,arg) ->
 248            let relUri =
 249             let buri_frags =
 250              Str.split (Str.regexp "/") (UriManager.string_of_uri buri) in
 251             let uri_frags =
 252              Str.split (Str.regexp "/") (UriManager.string_of_uri uri)  in
 253              let rec find_relUri buri_frags uri_frags =
 254               match buri_frags,uri_frags with
 255                  [_], _ -> String.concat "/" uri_frags
 256                | he1::tl1, he2::tl2 ->
 257                   assert (he1 = he2) ;
 258                   find_relUri tl1 tl2
 259                | _,_ -> assert false (* uri is not relative to buri *)
 260              in
 261               find_relUri buri_frags uri_frags
 262            in
 263             [< i ; Xml.xml_nempty "arg" [None,"relUri", relUri] (aux arg) >]
 264          ) [<>] subst
 265      >]
 266   in
 267    aux
 268 ;;
 269
 270 let xml_of_attrs attributes =
 271   let class_of = function
 272     | `Coercion -> Xml.xml_empty "class" [None,"value","coercion"]
 273     | `Elim s ->
 274         Xml.xml_nempty "class" [None,"value","elim"]
 275          [< Xml.xml_empty
 276              "SORT" [None,"value",
 277                       (Cic2acic.string_of_sort (Cic2acic.sort_of_sort s)) ;
 278                      None,"id","elimination_sort"] >]
 279     | `Record field_names ->
 280         Xml.xml_nempty "class" [None,"value","record"]
 281          (List.fold_right
 282            (fun (name,coercion) res ->
 283              [< Xml.xml_empty "field"
 284                 [None,"name",if coercion then name ^ " coercion" else name];
 285               res >]
 286            ) field_names [<>])
 287     | `Projection -> Xml.xml_empty "class" [None,"value","projection"]
 288   in
 289   let flavour_of = function
 290     | `Definition -> Xml.xml_empty "flavour" [None, "value", "definition"]
 291     | `Fact -> Xml.xml_empty "flavour" [None, "value", "fact"]
 292     | `Lemma -> Xml.xml_empty "flavour" [None, "value", "lemma"]
 293     | `Remark -> Xml.xml_empty "flavour" [None, "value", "remark"]
 294     | `Theorem -> Xml.xml_empty "flavour" [None, "value", "theorem"]
 295     | `Variant -> Xml.xml_empty "flavour" [None, "value", "variant"]
 296     | `Axiom -> Xml.xml_empty "flavour" [None, "value", "axiom"]
 297   in
 298   let xml_attr_of = function
 299     | `Generated -> Xml.xml_empty "generated" []
 300     | `Class c -> class_of c
 301     | `Flavour f -> flavour_of f
 302   in
 303   let xml_attrs =
 304    List.fold_right
 305     (fun attr res -> [< xml_attr_of attr ; res >]) attributes [<>]
 306   in
 307    Xml.xml_nempty "attributes" [] xml_attrs
 308
 309 let print_object uri ?ids_to_inner_sorts ~ask_dtd_to_the_getter obj =
 310  let module C = Cic in
 311  let module X = Xml in
 312  let module U = UriManager in
 313   let dtdname = dtdname ~ask_dtd_to_the_getter "cic.dtd" in
 314    match obj with
 315        C.ACurrentProof (id,idbody,n,conjectures,bo,ty,params,obj_attrs) ->
 316         let params' = param_attribute_of_params params in
 317         let xml_attrs = xml_of_attrs obj_attrs in
 318         let xml_for_current_proof_body =
 319 (*CSC: Should the CurrentProof also have the list of variables it depends on? *)
 320 (*CSC: I think so. Not implemented yet.                                       *)
 321          X.xml_nempty "CurrentProof"
 322           [None,"of",UriManager.string_of_uri uri ; None,"id", id]
 323           [< xml_attrs;
 324             List.fold_left
 325               (fun i (cid,n,canonical_context,t) ->
 326                 [< i ;
 327                    X.xml_nempty "Conjecture"
 328                     [None,"id",cid ; None,"no",(string_of_int n)]
 329                     [< List.fold_left
 330                         (fun i (hid,t) ->
 331                           [< (match t with
 332                                  Some (n,C.ADecl t) ->
 333                                   X.xml_nempty "Decl"
 334                                    (match n with
 335                                        C.Name n' ->
 336                                         [None,"id",hid;None,"name",n']
 337                                      | C.Anonymous -> [None,"id",hid])
 338                                    (print_term ?ids_to_inner_sorts t)
 339                                | Some (n,C.ADef t) ->
 340                                   X.xml_nempty "Def"
 341                                    (match n with
 342                                        C.Name n' ->
 343                                         [None,"id",hid;None,"name",n']
 344                                      | C.Anonymous -> [None,"id",hid])
 345                                    (print_term ?ids_to_inner_sorts t)
 346                               | None -> X.xml_empty "Hidden" [None,"id",hid]
 347                              ) ;
 348                              i
 349                           >]
 350                         ) [< >] canonical_context ;
 351                        X.xml_nempty "Goal" []
 352                         (print_term ?ids_to_inner_sorts t)
 353                     >]
 354                 >])
 355               [< >] conjectures ;
 356              X.xml_nempty "body" [] (print_term ?ids_to_inner_sorts bo) >]
 357         in
 358         let xml_for_current_proof_type =
 359          X.xml_nempty "ConstantType"
 360           [None,"name",n ; None,"params",params' ; None,"id", id]
 361           (print_term ?ids_to_inner_sorts ty)
 362         in
 363         let xmlbo =
 364          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 365             X.xml_cdata ("<!DOCTYPE CurrentProof SYSTEM \""^ dtdname ^ "\">\n");
 366             xml_for_current_proof_body
 367          >] in
 368         let xmlty =
 369          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 370             X.xml_cdata ("<!DOCTYPE ConstantType SYSTEM \""^ dtdname ^ "\">\n");
 371             xml_for_current_proof_type
 372          >]
 373         in
 374          xmlty, Some xmlbo
 375      | C.AConstant (id,idbody,n,bo,ty,params,obj_attrs) ->
 376         let params' = param_attribute_of_params params in
 377         let xml_attrs = xml_of_attrs obj_attrs in
 378         let xmlbo =
 379          match bo with
 380             None -> None
 381           | Some bo ->
 382              Some
 383               [< X.xml_cdata
 384                   "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 385                  X.xml_cdata
 386                   ("<!DOCTYPE ConstantBody SYSTEM \"" ^ dtdname ^ "\">\n") ;
 387                  X.xml_nempty "ConstantBody"
 388                   [None,"for",UriManager.string_of_uri uri ;
 389                    None,"params",params' ; None,"id", id]
 390                   [< print_term ?ids_to_inner_sorts bo >]
 391               >]
 392         in
 393         let xmlty =
 394          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 395             X.xml_cdata ("<!DOCTYPE ConstantType SYSTEM \""^ dtdname ^ "\">\n");
 396              X.xml_nempty "ConstantType"
 397               [None,"name",n ; None,"params",params' ; None,"id", id]
 398               [< xml_attrs; print_term ?ids_to_inner_sorts ty >]
 399          >]
 400         in
 401          xmlty, xmlbo
 402      | C.AVariable (id,n,bo,ty,params,obj_attrs) ->
 403         let params' = param_attribute_of_params params in
 404         let xml_attrs = xml_of_attrs obj_attrs in
 405         let xmlbo =
 406          match bo with
 407             None -> [< >]
 408           | Some bo ->
 409              X.xml_nempty "body" [] [< print_term ?ids_to_inner_sorts bo >]
 410         in
 411         let aobj =
 412          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 413             X.xml_cdata ("<!DOCTYPE Variable SYSTEM \"" ^ dtdname ^ "\">\n");
 414              X.xml_nempty "Variable"
 415               [None,"name",n ; None,"params",params' ; None,"id", id]
 416               [< xml_attrs; xmlbo;
 417                  X.xml_nempty "type" [] (print_term ?ids_to_inner_sorts ty)
 418               >]
 419          >]
 420         in
 421          aobj, None
 422      | C.AInductiveDefinition (id,tys,params,nparams,obj_attrs) ->
 423         let params' = param_attribute_of_params params in
 424         let xml_attrs = xml_of_attrs obj_attrs in
 425          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 426             X.xml_cdata
 427              ("<!DOCTYPE InductiveDefinition SYSTEM \"" ^ dtdname ^ "\">\n") ;
 428             X.xml_nempty "InductiveDefinition"
 429              [None,"noParams",string_of_int nparams ;
 430               None,"id",id ;
 431               None,"params",params']
 432              [< xml_attrs;
 433                 (List.fold_left
 434                   (fun i (id,typename,finite,arity,cons) ->
 435                     [< i ;
 436                        X.xml_nempty "InductiveType"
 437                         [None,"id",id ; None,"name",typename ;
 438                          None,"inductive",(string_of_bool finite)
 439                         ]
 440                         [< X.xml_nempty "arity" []
 441                             (print_term ?ids_to_inner_sorts arity) ;
 442                            (List.fold_left
 443                             (fun i (name,lc) ->
 444                               [< i ;
 445                                  X.xml_nempty "Constructor"
 446                                   [None,"name",name]
 447                                   (print_term ?ids_to_inner_sorts lc)
 448                               >]) [<>] cons
 449                            )
 450                         >]
 451                     >]
 452                   ) [< >] tys
 453                 )
 454              >]
 455          >], None
 456 ;;
 457
 458 let
 459  print_inner_types curi ~ids_to_inner_sorts ~ids_to_inner_types
 460   ~ask_dtd_to_the_getter
 461 =
 462  let module C2A = Cic2acic in
 463  let module X = Xml in
 464   let dtdname = dtdname ~ask_dtd_to_the_getter "cictypes.dtd" in
 465    [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 466       X.xml_cdata
 467        ("<!DOCTYPE InnerTypes SYSTEM \"" ^ dtdname ^ "\">\n") ;
 468       X.xml_nempty "InnerTypes" [None,"of",UriManager.string_of_uri curi]
 469        (Hashtbl.fold
 470          (fun id {C2A.annsynthesized = synty ; C2A.annexpected = expty} x ->
 471            [< x ;
 472               X.xml_nempty "TYPE" [None,"of",id]
 473                [< X.xml_nempty "synthesized" []
 474                  [< print_term ~ids_to_inner_sorts synty >] ;
 475                  match expty with
 476                    None -> [<>]
 477                  | Some expty' -> X.xml_nempty "expected" []
 478                     [< print_term ~ids_to_inner_sorts expty' >]
 479                >]
 480            >]
 481          ) ids_to_inner_types [<>]
 482        )
 483    >]
 484 ;;