X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Flambda-delta%2Ftoplevel%2Ftop.ml;h=245c00d4a951cd5f600c05d6546c830040f6406c;hb=ef98db5ff416ef53004e57cc054e28abd1bf871e;hp=865271a4a04d2c21e512257e2e8a781770c82b3f;hpb=4c157ac5c58f34fffc98289c2d2e71032d584a83;p=helm.git

diff --git a/helm/software/lambda-delta/toplevel/top.ml b/helm/software/lambda-delta/toplevel/top.ml
index 865271a4a..245c00d4a 100644
--- a/helm/software/lambda-delta/toplevel/top.ml
+++ b/helm/software/lambda-delta/toplevel/top.ml
@@ -121,9 +121,9 @@ let count_entity st = function
    | BagEntity e  -> {st with bagc = BagO.count_entity C.start st.bagc e}
    | _            -> st
 
-let export_entity si moch = function
-   | CrgEntity e  -> X.export_entity DO.export_term si e
-   | BrgEntity e  -> X.export_entity BrgO.export_term si e
+let export_entity si xdir moch = function
+   | CrgEntity e  -> X.export_entity DO.export_term si xdir e
+   | BrgEntity e  -> X.export_entity BrgO.export_term si xdir e
    | MetaEntity e ->
       begin match moch with
          | None     -> ()
@@ -180,13 +180,20 @@ let txt_xl = initial_lexer TxtLexer.token
 
 let aut_xl = initial_lexer AutLexer.token 
 
-let entity_of_input lexbuf = function
-   | Text     -> 
+let parbuf = ref [] (* parser buffer *)
+
+let gen_text command = 
+   parbuf := TxtEntity command :: !parbuf
+
+let entity_of_input lexbuf i = match i, !parbuf with
+   | Text, []       -> 
       begin match TxtParser.entry (token txt_xl) lexbuf with
          | Some e, unget -> txt_xl.unget <- unget; Some (TxtEntity e)
          | None, _       -> None
       end
-   | Automath -> 
+   | Text, hd :: tl ->
+      parbuf := tl; Some hd
+   | Automath, _    -> 
       begin match AutParser.entry (token aut_xl) lexbuf with
          | Some e, unget -> aut_xl.unget <- unget; Some (AutEntity e)
          | None, _       -> None
@@ -211,19 +218,19 @@ let progress = ref false
 let preprocess = ref false
 let root = ref ""
 let cc = ref false
-let export = ref false
+let export = ref ""
 let old = ref false
 let st = ref (initial_status ())
 
 let process_2 st entity =
    let st = if !L.level > 2 then count_entity st entity else st in
-   if !export then export_entity !O.si !moch entity;
+   if !export <> "" then export_entity !O.si !export !moch entity;
    if !stage > 2 then type_check st entity else st
 	    
 let process_1 st entity = 
    if !progress then pp_progress entity;
    let st = if !L.level > 2 then count_entity st entity else st in
-   if !export && !stage = 1 then export_entity !O.si !moch entity;
+   if !export <> "" && !stage = 1 then export_entity !O.si !export !moch entity;
    if !stage > 1 then process_2 st (xlate_entity entity) else st 
 
 let process_0 st entity = 
@@ -238,7 +245,7 @@ let process_0 st entity =
       match entity, !old with
          | AutEntity e, true  -> MA.meta_of_aut frr h st.mst e 
          | AutEntity e, false -> DA.crg_of_aut err g st.dst e
-	 | TxtEntity e, false -> DT.crg_of_txt crr d st.tst e
+	 | TxtEntity e, false -> DT.crg_of_txt crr d gen_text st.tst e
 	 | _                  -> assert false
    in
    let st = if !L.level > 2 then count_input st entity else st in 
@@ -275,6 +282,7 @@ try
       let f och = moch := Some och in
       ML.open_out f name
    in
+   let set_xdir s = export := s in
    let set_root s = root := s in
    let close = function
       | None     -> ()
@@ -282,7 +290,7 @@ try
    in
    let clear_options () =
       stage := 3; moch := None; meta := false; progress := false;
-      preprocess := false; root := ""; cc := false; export := false;
+      preprocess := false; root := ""; cc := false; export := "";
       old := false; kernel := Brg; st := initial_status ();
       L.clear (); O.clear (); H.clear (); Op.clear_reductions ()
    in
@@ -318,7 +326,7 @@ try
       flush_all ()
    in
    let help = 
-      "Usage: helena [ -VXcgijmopqux | -Ss <number> | -hkr <string> ] <file> ...\n\n" ^
+      "Usage: helena [ -VXcgijmopqu | -Ss <number> | -x <dir> | -hkr <string> ]* [ <file> ]*\n\n" ^
       "Summary levels: 0 just errors (default), 1 time stamps, 2 processed file names, \
        3 data information, 4 typing information, 5 reduction information\n\n" ^
        "Stages: 0 parsing, 1 to intermediate, 2 to untrusted, 3 to trusted (default)\n"
@@ -340,7 +348,7 @@ try
    let help_r = "<string>  set initial segment of URI hierarchy" in
    let help_s = "<number>  set translation stage (see above)" in
    let help_u = " activate sort inclusion" in
-   let help_x = " export kernel entities (XML)" in
+   let help_x = "<dir>  export kernel entities (XML) to <dir>" in
    L.box 0; L.box_err ();
    at_exit exit;
    Arg.parse [
@@ -360,6 +368,6 @@ try
       ("-r", Arg.String set_root, help_r);
       ("-s", Arg.Int set_stage, help_s);
       ("-u", Arg.Set O.si, help_u);
-      ("-x", Arg.Set export, help_x)
+      ("-x", Arg.String set_xdir, help_x)
    ] process_file help;
 with BagT.TypeError msg -> bag_error "Type Error" msg