update in basic_2 + new tool "roles"

[helm.git] / matita / matita / contribs / lambdadelta / bin / roles / roles.ml

diff --git a/matita/matita/contribs/lambdadelta/bin/roles/roles.ml b/matita/matita/contribs/lambdadelta/bin/roles/roles.ml
new file mode 100644 (file)
index 0000000..1c7866e
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/bin/roles/roles.ml
@@ -0,0 +1,47 @@
+(*
+    ||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 EE = RolesEngine
+module EG = RolesGlobal
+module ET = RolesTypes
+module EU = RolesUtils
+
+let help_C = "<dir>  Set this working directory (default: current directory)"
+let help_L = " Debug osn lexer"
+let help_X = " Reset all options to defaults"
+let help_r = " Load current status"
+let help_s = "<version>  Start a stage with this version"
+let help_t = "<pointer>  Toggle the selection of this pointed entry"
+let help_w = " Save current status"
+let help   = "Usage: roles [ -LXrw | -C <dir> | -s <version> | -t <pointer> | <file> ]*"
+
+let new_stage s =
+  EE.new_stage (EU.version_of_string s)
+
+let toggle_entry s =
+  EE.toggle_entry (EU.pointer_of_string s)
+
+let process s =
+  match Filename.extension s with
+  | ".txt" -> EE.read_waiting s
+  | x      -> EU.raise_error (ET.EExt x)
+
+let _main = try
+  Arg.parse [
+    "-C", Arg.String ((:=) EG.wd), help_C;
+    "-L", Arg.Set EG.debug_lexer, help_L;
+    "-X", Arg.Unit EG.clear, help_X;
+    "-r", Arg.Unit EE.read_status, help_r;
+    "-s", Arg.String new_stage, help_s;
+    "-t", Arg.String toggle_entry, help_t;
+    "-w", Arg.Unit EE.write_status, help_w;
+  ] process help
+with ET.Error e -> Printf.eprintf "roles: %s\n%!" (EU.string_of_error e)