+(* Goalfile parser
+ * Copyright (C) 2019 Richard W.M. Jones
+ * Copyright (C) 2019 Red Hat Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *)
+
+open Printf
+
+let usage =
+ "\
+goals: Build software.
+
+ goals [-f Goalfile] ['var = value' ...] [target ...]
+
+For detailed help see goals(1).
+
+Options:"
+
+let main () =
+ (* Command line arguments. *)
+ let filename = ref "Goalfile" in
+
+ let argspec = [
+ "-f", Arg.Set_string filename,
+ "filename Set name of Goalfile";
+ "--file", Arg.Set_string filename,
+ "filename Set name of Goalfile";
+ ] in
+ let argspec = Arg.align argspec in
+ let args = ref [] in
+ let anon_fun s = args := s :: !args in
+ Arg.parse argspec anon_fun usage;
+
+ (*let args = List.rev !args in*)
+ let filename = !filename in
+
+ (* Parse the input file. *)
+ let file = Parse.parse_from_file filename in
+
+ Ast.print_file stdout file
+
+let () = main ()