xoa: new binary for the generation of multiple logical constants

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

diff --git a/matita/components/binaries/xoa/xoa.ml b/matita/components/binaries/xoa/xoa.ml
new file mode 100644 (file)
index 0000000..92b473d
--- /dev/null
+++ b/matita/components/binaries/xoa/xoa.ml
@@ -0,0 +1,35 @@
+(*
+    ||M||  This file is part of HELM, an Hypertextual, Electronic        
+    ||A||  Library of Mathematics, developed at the Computer Science     
+    ||T||  Department, University of Bologna, Italy.                     
+    ||I||                                                                
+    ||T||  HELM is free software; you can redistribute it and/or         
+    ||A||  modify it under the terms of the GNU General Public License   
+    \   /  version 2 or (at your option) any later version.      
+     \ /   This software is distributed as is, NO WARRANTY.     
+      V_______________________________________________________________ *)
+
+module R   = Helm_registry
+
+module L = Lib
+module A = Ast
+module E = Engine 
+
+let unm_ex s =
+   Scanf.sscanf s "%u %u" A.mk_exists
+
+let unm_or s =
+   Scanf.sscanf s "%u" A.mk_or 
+
+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");
+   close_out noch; close_out ooch
+
+let _ =
+   let help = "Usage: xoa [ <configuration file> ]*\n" in
+   Arg.parse [] process help