1 (* Copyright (C) 2005, HELM Team.
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4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
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15 * GNU General Public License for more details.
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28 (* cut and past from CicAst.loc_of_floc *)
29 let loc_of_floc = function
30 | { Lexing.pos_cnum = loc_begin }, { Lexing.pos_cnum = loc_end } ->
34 let module P = CicNotationPt in
35 let level = ref ~-1 in
36 let arg_spec = [ "-level", Arg.Set_int level, "set the notation level" ] in
37 let usage = "test_parser -level { 1 | 2 | 3 }" in
38 Arg.parse arg_spec (fun _ -> raise (Arg.Bad usage)) usage;
39 if !level = 2 then begin
41 CicNotationParser.extend ~precedence:50 ~associativity:Gramext.LeftA
42 (P.Layout (P.Box (P.H,
46 (P.Layout (P.Box (P.H,
47 [ P.Literal (`Symbol "|");
48 P.Variable (P.TermVar "ugo");
49 P.Magic (P.Opt (P.Layout (P.Box (P.H,
50 [ P.Literal (`Symbol ",");
51 P.Variable (P.TermVar "pino")]))));
52 P.Literal (`Symbol "|");
55 (* P.Literal (`Symbol "+");
56 P.Magic (P.Opt (P.Layout (P.Box (P.H,
58 P.Variable (P.TermVar "ugo");
59 P.Literal (`Symbol "+");
60 P.Variable (P.TermVar "pino")
62 (* P.Variable (P.TermVar "a");
63 P.Literal (`Symbol "+");
64 P.Variable (P.TermVar "b"); *)
67 prerr_endline "reducing rule" ;
68 prerr_endline (sprintf "env = [ %s ]" (CicNotationParser.pp_env env));
71 CicNotationParser.print_l2_pattern ()
75 | 1 -> ignore (CicNotationParser.parse_syntax_pattern s)
77 let ast = CicNotationParser.parse_ast_pattern s in
78 if ast = P.Sort `Prop then
79 prerr_endline "eureka (ma sono cazzi)"
82 | 3 -> ignore (CicNotationParser.parse_interpretation s)
83 | _ -> Arg.usage arg_spec usage; exit 1
87 printf "Parsing notation level %d\n" !level; flush stdout;
89 let line = input_line ic in
90 let istream = Stream.of_string line in
94 with CicNotationParser.Parse_error (floc, msg) ->
95 let (x, y) = loc_of_floc floc in
96 let before = String.sub line 0 x in
97 let error = String.sub line x (y - x) in
98 let after = String.sub line y (String.length line - y) in
99 eprintf "%s
\e[01;31m%s
\e[00m%s\n" before error after;
100 prerr_endline (sprintf "at character %d-%d: %s" x y msg)