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 ImpossiblePossible;;
  29 exception NotImplemented;;
  30
  31 let dtdname ~ask_dtd_to_the_getter dtd =
  32  if ask_dtd_to_the_getter then
  33   Helm_registry.get "getter.url" ^ "getdtd?uri=" ^ dtd
  34  else
  35   "http://mowgli.cs.unibo.it/dtd/" ^ dtd
  36 ;;
  37
  38 let param_attribute_of_params params =
  39  String.concat " " (List.map UriManager.string_of_uri params)
  40 ;;
  41
  42 (*CSC ottimizzazione: al posto di curi cdepth (vedi codice) *)
  43 let print_term ~ids_to_inner_sorts =
  44  let rec aux =
  45   let module C = Cic in
  46   let module X = Xml in
  47   let module U = UriManager in
  48     function
  49        C.ARel (id,idref,n,b) ->
  50         let sort = Hashtbl.find ids_to_inner_sorts id in
  51          X.xml_empty "REL"
  52           [None,"value",(string_of_int n) ; None,"binder",b ; None,"id",id ;
  53            None,"idref",idref ; None,"sort",sort]
  54      | C.AVar (id,uri,exp_named_subst) ->
  55         let sort = Hashtbl.find ids_to_inner_sorts id in
  56          aux_subst uri
  57           (X.xml_empty "VAR"
  58             [None,"uri",U.string_of_uri uri;None,"id",id;None,"sort",sort])
  59           exp_named_subst
  60      | C.AMeta (id,n,l) ->
  61         let sort = Hashtbl.find ids_to_inner_sorts id in
  62          X.xml_nempty "META"
  63           [None,"no",(string_of_int n) ; None,"id",id ; None,"sort",sort]
  64           (List.fold_left
  65             (fun i t ->
  66               match t with
  67                  Some t' ->
  68                   [< i ; X.xml_nempty "substitution" [] (aux t') >]
  69                | None ->
  70                   [< i ; X.xml_empty "substitution" [] >]
  71             ) [< >] l)
  72      | C.ASort (id,s) ->
  73         let string_of_sort =
  74          function
  75             C.Prop  -> "Prop"
  76           | C.Set   -> "Set"
  77           | C.Type _ -> "Type" (* TASSI *)
  78           | C.CProp -> "CProp"
  79         in
  80          X.xml_empty "SORT" [None,"value",(string_of_sort s) ; None,"id",id]
  81      | C.AImplicit _ -> raise NotImplemented
  82      | C.AProd (last_id,_,_,_) as prods ->
  83         let rec eat_prods =
  84          function
  85             C.AProd (id,n,s,t) ->
  86              let prods,t' = eat_prods t in
  87               (id,n,s)::prods,t'
  88           | t -> [],t
  89         in
  90          let prods,t = eat_prods prods in
  91           let sort = Hashtbl.find ids_to_inner_sorts last_id in
  92            X.xml_nempty "PROD" [None,"type",sort]
  93             [< List.fold_left
  94                 (fun i (id,binder,s) ->
  95                   let sort =
  96                    Hashtbl.find ids_to_inner_sorts (Cic2acic.source_id_of_id id)
  97                   in
  98                    let attrs =
  99                     (None,"id",id)::(None,"type",sort)::
 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 = Hashtbl.find ids_to_inner_sorts id in
 110          X.xml_nempty "CAST" [None,"id",id ; None,"sort",sort]
 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 = Hashtbl.find ids_to_inner_sorts last_id in
 124            X.xml_nempty "LAMBDA" [None,"sort",sort]
 125             [< List.fold_left
 126                 (fun i (id,binder,s) ->
 127                   let sort =
 128                    Hashtbl.find ids_to_inner_sorts (Cic2acic.source_id_of_id id)
 129                   in
 130                    let attrs =
 131                     (None,"id",id)::(None,"type",sort)::
 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 = Hashtbl.find ids_to_inner_sorts last_id in
 152            X.xml_nempty "LETIN" [None,"sort",sort]
 153             [< List.fold_left
 154                 (fun i (id,binder,s) ->
 155                   let sort = Hashtbl.find ids_to_inner_sorts id in
 156                    let attrs =
 157                     (None,"id",id)::(None,"sort",sort)::
 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 = Hashtbl.find ids_to_inner_sorts id in
 168          X.xml_nempty "APPLY" [None,"id",id ; None,"sort",sort]
 169           [< (List.fold_right (fun x i -> [< (aux x) ; i >]) li [<>])
 170           >]
 171      | C.AConst (id,uri,exp_named_subst) ->
 172         let sort = Hashtbl.find ids_to_inner_sorts id in
 173          aux_subst uri
 174           (X.xml_empty "CONST"
 175             [None,"uri",(U.string_of_uri uri) ; None,"id",id ; None,"sort",sort]
 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 = Hashtbl.find ids_to_inner_sorts id in
 186          aux_subst uri
 187           (X.xml_empty "MUTCONSTRUCT"
 188             [None,"uri", (U.string_of_uri uri) ;
 189              None,"noType",(string_of_int i) ;
 190              None,"noConstr",(string_of_int j) ;
 191              None,"id",id ; None,"sort",sort]
 192           ) exp_named_subst
 193      | C.AMutCase (id,uri,typeno,ty,te,patterns) ->
 194         let sort = Hashtbl.find ids_to_inner_sorts id in
 195          X.xml_nempty "MUTCASE"
 196           [None,"uriType",(U.string_of_uri uri) ;
 197            None,"noType", (string_of_int typeno) ;
 198            None,"id", id ; None,"sort",sort]
 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 = Hashtbl.find ids_to_inner_sorts id in
 207          X.xml_nempty "FIX"
 208           [None,"noFun", (string_of_int no) ; None,"id",id ; None,"sort",sort]
 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 = Hashtbl.find ids_to_inner_sorts id in
 223          X.xml_nempty "COFIX"
 224           [None,"noFun", (string_of_int no) ; None,"id",id ; None,"sort",sort]
 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 print_object uri ~ids_to_inner_sorts ~ask_dtd_to_the_getter obj =
 269  let module C = Cic in
 270  let module X = Xml in
 271  let module U = UriManager in
 272   let dtdname = dtdname ~ask_dtd_to_the_getter "cic.dtd" in
 273    match obj with
 274        C.ACurrentProof (id,idbody,n,conjectures,bo,ty,params) ->
 275         let params' = param_attribute_of_params params in
 276         let xml_for_current_proof_body =
 277 (*CSC: Should the CurrentProof also have the list of variables it depends on? *)
 278 (*CSC: I think so. Not implemented yet.                                       *)
 279          X.xml_nempty "CurrentProof"
 280           [None,"of",UriManager.string_of_uri uri ; None,"id", id]
 281           [< List.fold_left
 282               (fun i (cid,n,canonical_context,t) ->
 283                 [< i ;
 284                    X.xml_nempty "Conjecture"
 285                     [None,"id",cid ; None,"no",(string_of_int n)]
 286                     [< List.fold_left
 287                         (fun i (hid,t) ->
 288                           [< (match t with
 289                                  Some (n,C.ADecl t) ->
 290                                   X.xml_nempty "Decl"
 291                                    (match n with
 292                                        C.Name n' ->
 293                                         [None,"id",hid;None,"name",n']
 294                                      | C.Anonymous -> [None,"id",hid])
 295                                    (print_term ids_to_inner_sorts t)
 296                                | Some (n,C.ADef t) ->
 297                                   X.xml_nempty "Def"
 298                                    (match n with
 299                                        C.Name n' ->
 300                                         [None,"id",hid;None,"name",n']
 301                                      | C.Anonymous -> [None,"id",hid])
 302                                    (print_term ids_to_inner_sorts t)
 303                               | None -> X.xml_empty "Hidden" [None,"id",hid]
 304                              ) ;
 305                              i
 306                           >]
 307                         ) [< >] canonical_context ;
 308                        X.xml_nempty "Goal" []
 309                         (print_term ids_to_inner_sorts t)
 310                     >]
 311                 >])
 312               [<>] conjectures ;
 313              X.xml_nempty "body" [] (print_term ids_to_inner_sorts bo) >]
 314         in
 315         let xml_for_current_proof_type =
 316          X.xml_nempty "ConstantType"
 317           [None,"name",n ; None,"params",params' ; None,"id", id]
 318           (print_term ids_to_inner_sorts ty)
 319         in
 320         let xmlbo =
 321          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 322             X.xml_cdata ("<!DOCTYPE CurrentProof SYSTEM \""^ dtdname ^ "\">\n");
 323             xml_for_current_proof_body
 324          >] in
 325         let xmlty =
 326          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 327             X.xml_cdata ("<!DOCTYPE ConstantType SYSTEM \""^ dtdname ^ "\">\n");
 328             xml_for_current_proof_type
 329          >]
 330         in
 331          xmlty, Some xmlbo
 332      | C.AConstant (id,idbody,n,bo,ty,params) ->
 333         let params' = param_attribute_of_params params in
 334         let xmlbo =
 335          match bo with
 336             None -> None
 337           | Some bo ->
 338              Some
 339               [< X.xml_cdata
 340                   "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 341                  X.xml_cdata
 342                   ("<!DOCTYPE ConstantBody SYSTEM \"" ^ dtdname ^ "\">\n") ;
 343                  X.xml_nempty "ConstantBody"
 344                   [None,"for",UriManager.string_of_uri uri ;
 345                    None,"params",params' ; None,"id", id]
 346                   [< print_term ids_to_inner_sorts bo >]
 347               >]
 348         in
 349         let xmlty =
 350          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 351             X.xml_cdata ("<!DOCTYPE ConstantType SYSTEM \""^ dtdname ^ "\">\n");
 352              X.xml_nempty "ConstantType"
 353               [None,"name",n ; None,"params",params' ; None,"id", id]
 354               [< print_term ids_to_inner_sorts ty >]
 355          >]
 356         in
 357          xmlty, xmlbo
 358      | C.AVariable (id,n,bo,ty,params) ->
 359         let params' = param_attribute_of_params params in
 360         let xmlbo =
 361          match bo with
 362             None -> [< >]
 363           | Some bo ->
 364              X.xml_nempty "body" [] [< print_term ids_to_inner_sorts bo >]
 365         in
 366         let aobj =
 367          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 368             X.xml_cdata ("<!DOCTYPE Variable SYSTEM \"" ^ dtdname ^ "\">\n");
 369              X.xml_nempty "Variable"
 370               [None,"name",n ; None,"params",params' ; None,"id", id]
 371               [< xmlbo ;
 372                  X.xml_nempty "type" [] (print_term ids_to_inner_sorts ty)
 373               >]
 374          >]
 375         in
 376          aobj, None
 377      | C.AInductiveDefinition (id,tys,params,nparams) ->
 378         let params' = param_attribute_of_params params in
 379          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 380             X.xml_cdata
 381              ("<!DOCTYPE InductiveDefinition SYSTEM \"" ^ dtdname ^ "\">\n") ;
 382             X.xml_nempty "InductiveDefinition"
 383              [None,"noParams",string_of_int nparams ;
 384               None,"id",id ;
 385               None,"params",params']
 386              [< (List.fold_left
 387                   (fun i (id,typename,finite,arity,cons) ->
 388                     [< i ;
 389                        X.xml_nempty "InductiveType"
 390                         [None,"id",id ; None,"name",typename ;
 391                          None,"inductive",(string_of_bool finite)
 392                         ]
 393                         [< X.xml_nempty "arity" []
 394                             (print_term ids_to_inner_sorts arity) ;
 395                            (List.fold_left
 396                             (fun i (name,lc) ->
 397                               [< i ;
 398                                  X.xml_nempty "Constructor"
 399                                   [None,"name",name]
 400                                   (print_term ids_to_inner_sorts lc)
 401                               >]) [<>] cons
 402                            )
 403                         >]
 404                     >]
 405                   ) [< >] tys
 406                 )
 407              >]
 408          >], None
 409 ;;
 410
 411 let
 412  print_inner_types curi ~ids_to_inner_sorts ~ids_to_inner_types
 413   ~ask_dtd_to_the_getter
 414 =
 415  let module C2A = Cic2acic in
 416  let module X = Xml in
 417   let dtdname = dtdname ~ask_dtd_to_the_getter "cictypes.dtd" in
 418    [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 419       X.xml_cdata
 420        ("<!DOCTYPE InnerTypes SYSTEM \"" ^ dtdname ^ "\">\n") ;
 421       X.xml_nempty "InnerTypes" [None,"of",UriManager.string_of_uri curi]
 422        (Hashtbl.fold
 423          (fun id {C2A.annsynthesized = synty ; C2A.annexpected = expty} x ->
 424            [< x ;
 425               X.xml_nempty "TYPE" [None,"of",id]
 426                [< X.xml_nempty "synthesized" []
 427                  [< print_term ids_to_inner_sorts synty >] ;
 428                  match expty with
 429                    None -> [<>]
 430                  | Some expty' -> X.xml_nempty "expected" [] [< print_term ids_to_inner_sorts expty' >]
 431                >]
 432            >]
 433          ) ids_to_inner_types [<>]
 434        )
 435    >]
 436 ;;