xoa utility updated

[helm.git] / matita / components / binaries / xoa / xoa.ml

diff --git a/matita/components/binaries/xoa/xoa.ml b/matita/components/binaries/xoa/xoa.ml
index de451f8148f9e17c0a64cd12dc3fdbc6e19d29f1..c5604f1e657243088e9682944122136d91618c91 100644 (file)
--- a/matita/components/binaries/xoa/xoa.ml
+++ b/matita/components/binaries/xoa/xoa.ml
@@ -9,31 +9,86 @@
      \ /   This software is distributed as is, NO WARRANTY.     
       V_______________________________________________________________ *)
 
-module R   = Helm_registry
+module R = Helm_registry
 
 module L = Lib
 module A = Ast
-module E = Engine 
+module E = Engine
+
+let incremental = ref true
+let separate = ref false
+
+let clear () =
+  incremental := true;
+  separate := false;
+  R.clear ()
 
 let unm_ex s =
-   Scanf.sscanf s "%u %u" A.mk_exists
+  Scanf.sscanf s "%u %u" A.mk_exists
 
 let unm_or s =
-   Scanf.sscanf s "%u" A.mk_or 
+  Scanf.sscanf s "%u" A.mk_or
 
 let unm_and s =
-   Scanf.sscanf s "%u" A.mk_and 
+  Scanf.sscanf s "%u" A.mk_and
+
+let process_centralized conf =
+  let preamble = L.get_preamble conf in
+  if R.has "xoa.objects" && R.has "xoa.notations" then begin
+    let ooch = L.open_out preamble (R.get_string "xoa.objects") in
+    let noch = L.open_out preamble (R.get_string "xoa.notations") in
+    List.iter (L.out_include ooch) (R.get_list R.string "xoa.include");
+    L.out_include ooch (R.get_string "xoa.notations" ^ ".ma");
+    List.iter (E.generate ooch noch) (R.get_list unm_ex "xoa.ex");
+    List.iter (E.generate ooch noch) (R.get_list unm_or "xoa.or");
+    List.iter (E.generate ooch noch) (R.get_list unm_and "xoa.and");
+    close_out noch; close_out ooch
+  end
+
+let generate (p, o, n) d =
+  let oname, nname = match d with
+    | A.Exists (c, v) ->
+      let oname = Printf.sprintf "%s/ex_%u_%u" o c v in
+      let nname = Printf.sprintf "%s/ex_%u_%u" n c v in
+      oname, nname
+    | A.Or c          ->
+      let oname = Printf.sprintf "%s/or_%u" o c in
+      let nname = Printf.sprintf "%s/or_%u" n c in
+      oname, nname
+    | A.And c         ->
+      let oname = Printf.sprintf "%s/and_%u" o c in
+      let nname = Printf.sprintf "%s/and_%u" n c in
+      oname, nname
+  in
+  if !incremental && L.exists_out oname && L.exists_out nname then () else
+  begin
+    let ooch = L.open_out p oname in
+    let noch = L.open_out p nname in
+    List.iter (L.out_include ooch) (R.get_list R.string "xoa.include");
+    L.out_include ooch (nname ^ ".ma");
+    E.generate ooch noch d;
+    close_out noch; close_out ooch
+  end
+
+let process_distributed conf =
+  let preamble = L.get_preamble conf in
+  if R.has "xoa.objects" && R.has "xoa.notations" then begin
+    let st = preamble, R.get_string "xoa.objects", R.get_string "xoa.notations" in
+    List.iter (generate st) (R.get_list unm_ex "xoa.ex");
+    List.iter (generate st) (R.get_list unm_or "xoa.or");
+    List.iter (generate st) (R.get_list unm_and "xoa.and");
+  end
 
 let process conf =
-   let preamble = L.get_preamble conf in
-   let ooch = L.open_out preamble (R.get_string "xoa.objects") in
-   let noch = L.open_out preamble (R.get_string "xoa.notations") in
-   List.iter (L.out_include ooch) (R.get_list R.string "xoa.include");   
-   List.iter (E.generate ooch noch) (R.get_list unm_ex "xoa.ex");
-   List.iter (E.generate ooch noch) (R.get_list unm_or "xoa.or");
-   List.iter (E.generate ooch noch) (R.get_list unm_and "xoa.and");
-   close_out noch; close_out ooch
+  if !separate then process_distributed conf else process_centralized conf
 
 let _ =
-   let help = "Usage: xoa [ <configuration file> ]*\n" in
-   Arg.parse [] process help
+  let help = "Usage: xoa [ -Xs | <configuration file> ]*\n" in
+  let help_X  = " Clear configuration" in
+  let help_s  = " Generate separate objects" in
+  let help_u  = " Update existing separate files" in
+  Arg.parse [
+    "-X", Arg.Unit clear, help_X;
+    "-s", Arg.Set separate, help_s;
+    "-u", Arg.Clear incremental, help_u;
+  ] process help