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   (* TODO ZACK implement attributes pretty printing *)
 269 let xml_of_attrs attributes = [< >]
 270
 271 let print_object uri ~ids_to_inner_sorts ~ask_dtd_to_the_getter obj =
 272  let module C = Cic in
 273  let module X = Xml in
 274  let module U = UriManager in
 275   let dtdname = dtdname ~ask_dtd_to_the_getter "cic.dtd" in
 276    match obj with
 277        C.ACurrentProof (id,idbody,n,conjectures,bo,ty,params,obj_attrs) ->
 278         let params' = param_attribute_of_params params in
 279         let xml_attrs = xml_of_attrs obj_attrs in
 280         let xml_for_current_proof_body =
 281 (*CSC: Should the CurrentProof also have the list of variables it depends on? *)
 282 (*CSC: I think so. Not implemented yet.                                       *)
 283          X.xml_nempty "CurrentProof"
 284           [None,"of",UriManager.string_of_uri uri ; None,"id", id]
 285           [< xml_attrs;
 286             List.fold_left
 287               (fun i (cid,n,canonical_context,t) ->
 288                 [< i ;
 289                    X.xml_nempty "Conjecture"
 290                     [None,"id",cid ; None,"no",(string_of_int n)]
 291                     [< List.fold_left
 292                         (fun i (hid,t) ->
 293                           [< (match t with
 294                                  Some (n,C.ADecl t) ->
 295                                   X.xml_nempty "Decl"
 296                                    (match n with
 297                                        C.Name n' ->
 298                                         [None,"id",hid;None,"name",n']
 299                                      | C.Anonymous -> [None,"id",hid])
 300                                    (print_term ids_to_inner_sorts t)
 301                                | Some (n,C.ADef t) ->
 302                                   X.xml_nempty "Def"
 303                                    (match n with
 304                                        C.Name n' ->
 305                                         [None,"id",hid;None,"name",n']
 306                                      | C.Anonymous -> [None,"id",hid])
 307                                    (print_term ids_to_inner_sorts t)
 308                               | None -> X.xml_empty "Hidden" [None,"id",hid]
 309                              ) ;
 310                              i
 311                           >]
 312                         ) [< >] canonical_context ;
 313                        X.xml_nempty "Goal" []
 314                         (print_term ids_to_inner_sorts t)
 315                     >]
 316                 >])
 317               [< >] conjectures ;
 318              X.xml_nempty "body" [] (print_term ids_to_inner_sorts bo) >]
 319         in
 320         let xml_for_current_proof_type =
 321          X.xml_nempty "ConstantType"
 322           [None,"name",n ; None,"params",params' ; None,"id", id]
 323           (print_term ids_to_inner_sorts ty)
 324         in
 325         let xmlbo =
 326          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 327             X.xml_cdata ("<!DOCTYPE CurrentProof SYSTEM \""^ dtdname ^ "\">\n");
 328             xml_for_current_proof_body
 329          >] in
 330         let xmlty =
 331          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 332             X.xml_cdata ("<!DOCTYPE ConstantType SYSTEM \""^ dtdname ^ "\">\n");
 333             xml_for_current_proof_type
 334          >]
 335         in
 336          xmlty, Some xmlbo
 337      | C.AConstant (id,idbody,n,bo,ty,params,obj_attrs) ->
 338         let params' = param_attribute_of_params params in
 339         let xml_attrs = xml_of_attrs obj_attrs in
 340         let xmlbo =
 341          match bo with
 342             None -> None
 343           | Some bo ->
 344              Some
 345               [< X.xml_cdata
 346                   "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 347                  X.xml_cdata
 348                   ("<!DOCTYPE ConstantBody SYSTEM \"" ^ dtdname ^ "\">\n") ;
 349                  X.xml_nempty "ConstantBody"
 350                   [None,"for",UriManager.string_of_uri uri ;
 351                    None,"params",params' ; None,"id", id]
 352                   [< print_term ids_to_inner_sorts bo >]
 353               >]
 354         in
 355         let xmlty =
 356          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 357             X.xml_cdata ("<!DOCTYPE ConstantType SYSTEM \""^ dtdname ^ "\">\n");
 358              X.xml_nempty "ConstantType"
 359               [None,"name",n ; None,"params",params' ; None,"id", id]
 360               [< xml_attrs; print_term ids_to_inner_sorts ty >]
 361          >]
 362         in
 363          xmlty, xmlbo
 364      | C.AVariable (id,n,bo,ty,params,obj_attrs) ->
 365         let params' = param_attribute_of_params params in
 366         let xml_attrs = xml_of_attrs obj_attrs in
 367         let xmlbo =
 368          match bo with
 369             None -> [< >]
 370           | Some bo ->
 371              X.xml_nempty "body" [] [< print_term ids_to_inner_sorts bo >]
 372         in
 373         let aobj =
 374          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 375             X.xml_cdata ("<!DOCTYPE Variable SYSTEM \"" ^ dtdname ^ "\">\n");
 376              X.xml_nempty "Variable"
 377               [None,"name",n ; None,"params",params' ; None,"id", id]
 378               [< xml_attrs; xmlbo;
 379                  X.xml_nempty "type" [] (print_term ids_to_inner_sorts ty)
 380               >]
 381          >]
 382         in
 383          aobj, None
 384      | C.AInductiveDefinition (id,tys,params,nparams,obj_attrs) ->
 385         let params' = param_attribute_of_params params in
 386         let xml_attrs = xml_of_attrs obj_attrs in
 387          [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 388             X.xml_cdata
 389              ("<!DOCTYPE InductiveDefinition SYSTEM \"" ^ dtdname ^ "\">\n") ;
 390             X.xml_nempty "InductiveDefinition"
 391              [None,"noParams",string_of_int nparams ;
 392               None,"id",id ;
 393               None,"params",params']
 394              [< xml_attrs;
 395                 (List.fold_left
 396                   (fun i (id,typename,finite,arity,cons) ->
 397                     [< i ;
 398                        X.xml_nempty "InductiveType"
 399                         [None,"id",id ; None,"name",typename ;
 400                          None,"inductive",(string_of_bool finite)
 401                         ]
 402                         [< X.xml_nempty "arity" []
 403                             (print_term ids_to_inner_sorts arity) ;
 404                            (List.fold_left
 405                             (fun i (name,lc) ->
 406                               [< i ;
 407                                  X.xml_nempty "Constructor"
 408                                   [None,"name",name]
 409                                   (print_term ids_to_inner_sorts lc)
 410                               >]) [<>] cons
 411                            )
 412                         >]
 413                     >]
 414                   ) [< >] tys
 415                 )
 416              >]
 417          >], None
 418 ;;
 419
 420 let
 421  print_inner_types curi ~ids_to_inner_sorts ~ids_to_inner_types
 422   ~ask_dtd_to_the_getter
 423 =
 424  let module C2A = Cic2acic in
 425  let module X = Xml in
 426   let dtdname = dtdname ~ask_dtd_to_the_getter "cictypes.dtd" in
 427    [< X.xml_cdata "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n" ;
 428       X.xml_cdata
 429        ("<!DOCTYPE InnerTypes SYSTEM \"" ^ dtdname ^ "\">\n") ;
 430       X.xml_nempty "InnerTypes" [None,"of",UriManager.string_of_uri curi]
 431        (Hashtbl.fold
 432          (fun id {C2A.annsynthesized = synty ; C2A.annexpected = expty} x ->
 433            [< x ;
 434               X.xml_nempty "TYPE" [None,"of",id]
 435                [< X.xml_nempty "synthesized" []
 436                  [< print_term ids_to_inner_sorts synty >] ;
 437                  match expty with
 438                    None -> [<>]
 439                  | Some expty' -> X.xml_nempty "expected" [] [< print_term ids_to_inner_sorts expty' >]
 440                >]
 441            >]
 442          ) ids_to_inner_types [<>]
 443        )
 444    >]
 445 ;;