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+(***********************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team    *)
+(* <O___,, *        INRIA-Rocquencourt  &  LRI-CNRS-Orsay              *)
+(*   \VV/  *************************************************************)
+(*    //   *      This file is distributed under the terms of the      *)
+(*         *       GNU Lesser General Public License Version 2.1       *)
+(***********************************************************************)
+(******************************************************************************)
+(*                                                                            *)
+(*                               PROJECT HELM                                 *)
+(*                                                                            *)
+(*                     A module to print Coq objects in XML                   *)
+(*                                                                            *)
+(*                Claudio Sacerdoti Coen <sacerdot@cs.unibo.it>               *)
+(*                                 06/12/2000                                 *)
+(*                                                                            *)
+(* This module adds to the vernacular interpreter the functions that fullfill *)
+(* the new commands defined in Xml.v                                          *)
+(*                                                                            *)
+(******************************************************************************)
+(*i camlp4deps: "parsing/grammar.cma" i*)
+
+(* $Id$ *)
+
+open Util;;
+open Vernacinterp;;
+
+open Extend;;
+open Genarg;;
+open Pp;;
+open Pcoq;;
+
+(* File name *)
+
+let wit_filename, rawwit_filename = Genarg.create_arg "filename"
+let filename = Pcoq.create_generic_entry "filename" rawwit_filename
+let _ = Tacinterp.add_genarg_interp "filename"
+  (fun ist x ->
+    (in_gen wit_filename
+      (out_gen (wit_opt wit_string)
+	(Tacinterp.genarg_interp ist
+	  (in_gen (wit_opt rawwit_string)
+	    (out_gen rawwit_filename x))))))
+
+GEXTEND Gram
+  GLOBAL: filename;
+  filename: [ [ IDENT "File"; fn = STRING -> Some fn | -> None ] ];
+END
+
+let pr_filename = function Some fn -> str " File" ++ str fn | None -> mt ()
+
+let _ = 
+  Pptactic.declare_extra_genarg_pprule 
+    (rawwit_filename, pr_filename)
+    (wit_filename, pr_filename)
+
+(* Disk name *)
+
+let wit_diskname, rawwit_diskname = Genarg.create_arg "diskname"
+let diskname = create_generic_entry "diskname" rawwit_diskname
+let _ = Tacinterp.add_genarg_interp "diskname"
+  (fun ist x ->
+    (in_gen wit_diskname
+      (out_gen (wit_opt wit_string)
+	(Tacinterp.genarg_interp ist
+	  (in_gen (wit_opt rawwit_string)
+	    (out_gen rawwit_diskname x))))))
+
+GEXTEND Gram
+  GLOBAL: diskname;
+  diskname: [ [ IDENT "Disk"; fn = STRING -> Some fn | -> None ] ];
+END
+
+open Pp
+
+let pr_diskname = function Some fn -> str " Disk" ++ str fn | None -> mt ()
+
+let _ = 
+  Pptactic.declare_extra_genarg_pprule 
+    (rawwit_diskname, pr_diskname)
+    (wit_diskname, pr_diskname)
+
+VERNAC COMMAND EXTEND Xml
+| [ "Print" "XML" filename(fn) qualid(id) ] -> [ Xmlcommand.print id fn ]
+
+| [ "Show" "XML" filename(fn) "Proof" ] -> [ Xmlcommand.show fn ]
+
+| [ "Print" "XML" "All" ] -> [ Xmlcommand.printAll () ]
+
+| [ "Print" "XML" "Module" diskname(dn) qualid(id) ] ->
+    [ Xmlcommand.printModule id dn ]
+
+| [ "Print" "XML" "Section" diskname(dn) ident(id) ] ->
+    [ Xmlcommand.printSection id dn ]
+END
+(*
+vinterp_add "Print"
+ (function
+     [VARG_QUALID id] ->
+        (fun () -> Xmlcommand.print id None)
+   | [VARG_QUALID id ; VARG_STRING fn] ->
+        (fun () -> Xmlcommand.print id (Some fn))
+   | _ -> anomaly "This should be trapped");;
+
+vinterp_add "Show"
+ (function
+     [] ->
+        (fun () -> Xmlcommand.show None)
+   | [VARG_STRING fn] ->
+        (fun () -> Xmlcommand.show (Some fn))
+   | _ -> anomaly "This should be trapped");;
+
+vinterp_add "XmlPrintAll"
+ (function
+     [] -> (fun () -> Xmlcommand.printAll ())
+   | _  -> anomaly "This should be trapped");;
+
+vinterp_add "XmlPrintModule"
+ (function
+     [VARG_QUALID id] -> (fun () -> Xmlcommand.printModule id None)
+   | [VARG_QUALID id ; VARG_STRING dn] ->
+        (fun () -> Xmlcommand.printModule id (Some dn))
+   | _  -> anomaly "This should be trapped");;
+
+vinterp_add "XmlPrintSection"
+ (function
+     [VARG_IDENTIFIER id] -> (fun () -> Xmlcommand.printSection id None)
+   | [VARG_IDENTIFIER id ; VARG_STRING dn] ->
+        (fun () -> Xmlcommand.printSection id (Some dn))
+   | _  -> anomaly "This should be trapped");;
+*)