--- /dev/null
+(* Copyright (C) 2005, HELM Team.
+ *
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ *
+ * HELM 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.
+ *
+ * HELM 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 HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * For details, see the HELM World-Wide-Web page,
+ * http://helm.cs.unibo.it/
+ *)
+
+(* $Id$ *)
+
+let _ =
+ let level = ref "2@" in
+ let ic = ref stdin in
+ let arg_spec = [ "-level", Arg.Set_string level, "set the notation level" ] in
+ let usage = "test_lexer [ -level level ] [ file ]" in
+ let open_file fname =
+ if !ic <> stdin then close_in !ic;
+ ic := open_in fname
+ in
+ Arg.parse arg_spec open_file usage;
+ let lexer =
+ match !level with
+ "1" -> CicNotationLexer.level1_pattern_lexer
+ | "2@" -> CicNotationLexer.level2_ast_lexer
+ | "2$" -> CicNotationLexer.level2_meta_lexer
+ | l ->
+ prerr_endline (Printf.sprintf "Unsupported level %s" l);
+ exit 2
+ in
+ let token_stream, loc_func =
+ lexer.Token.tok_func (Obj.magic (Ulexing.from_utf8_channel !ic)) in
+ Printf.printf "Lexing notation level %s\n" !level; flush stdout;
+ let tok_count = ref 0 in
+ let rec dump () =
+ let (a,b) = Stream.next token_stream in
+ if a = "EOI" then raise Stream.Failure;
+ let pos = loc_func !tok_count in
+ print_endline (Printf.sprintf "%s '%s' (@ %d-%d)" a b
+ (Stdpp.first_pos pos) (Stdpp.last_pos pos));
+ incr tok_count;
+ dump ()
+ in
+ try
+ dump ()
+ with Stream.Failure -> ()
+