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,
43 [ P.Literal (`Symbol "+");
44 P.Magic (P.Opt (P.Layout (P.Box (P.H,
45 [ P.Variable (P.TermVar "ugo");
46 P.Literal (`Symbol "+");
47 P.Variable (P.TermVar "pino")
50 (* [ P.Variable (P.TermVar "a");
51 P.Literal (`Symbol "+");
52 P.Variable (P.TermVar "b");
57 prerr_endline "reducing rule" ;
58 prerr_endline (sprintf "env = [ %s ]" (CicNotationParser.pp_env env));
60 [(_, (_, P.OptValue v))] ->
64 printf "Ugo c'e'? %s\n" (CicNotationParser.pp_value x);
66 | None -> prerr_endline "nooooo"
68 | _ -> assert false *)
72 CicNotationParser.print_l2_pattern ()
76 | 1 -> ignore (CicNotationParser.parse_syntax_pattern s)
78 let ast = CicNotationParser.parse_ast_pattern s in
79 if ast = P.Sort `Prop then
80 prerr_endline "eureka (ma sono cazzi)"
83 | 3 -> ignore (CicNotationParser.parse_interpretation s)
84 | _ -> Arg.usage arg_spec usage; exit 1
88 printf "Parsing notation level %d\n" !level; flush stdout;
90 let line = input_line ic in
91 let istream = Stream.of_string line in
95 with CicNotationParser.Parse_error (floc, msg) ->
96 let (x, y) = loc_of_floc floc in
97 let before = String.sub line 0 x in
98 let error = String.sub line x (y - x) in
99 let after = String.sub line y (String.length line - y) in
100 eprintf "%s
\e[01;31m%s
\e[00m%s\n" before error after;
101 prerr_endline (sprintf "at character %d-%d: %s" x y msg)