blob: 8fb718918d0a9132043d3f2d6d59a5ccda8a0a9a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
open StdLabels
module Report = Qsp_syntax.Report
type result = Report.t list [@@deriving show]
(** Filter the results given by the analysis *)
let filter_report : Args.filters -> Report.t list -> Report.t -> Report.t list =
fun filters reports r ->
let is_ok =
match filters.level with
| None -> true
| Some level -> Report.level_to_enum level >= Report.level_to_enum r.level
in
match is_ok with true -> r :: reports | _ -> reports
(** Read the source file until getting a report (the whole location has been
read properly), or until the first syntax error.
*)
let parse_location : Qparser.Lexbuf.t -> Args.filters -> unit =
fun lexbuf filters ->
let result = Qparser.Analyzer.parse (module Qsp_syntax.Type_of) lexbuf in
let result =
Result.map
(fun f -> List.fold_left (f []) ~init:[] ~f:(filter_report filters))
result
in
match result with
| Ok report -> (
(* Display the result *)
match report with
| [] -> ()
| _ ->
let start_position, _ = Qparser.Lexbuf.positions lexbuf in
Format.fprintf Format.std_formatter "Location@ %s@;@[%a@]@."
start_position.Lexing.pos_fname pp_result report;
())
| Error e ->
let start_position, _ = Qparser.Lexbuf.positions lexbuf in
Format.fprintf Format.std_formatter "Location@ %s@;@[%a]@."
start_position.Lexing.pos_fname Report.pp e
let () =
let file_names, parameters = Args.parse () in
let file_name = List.hd file_names in
let ic = Stdlib.open_in_bin file_name in
(*let lexer = Lexing.from_channel ~with_positions:true ic in*)
let lexer, parameters =
match Filename.extension file_name with
| ".qsrc" ->
(* The source file are in UTF-8, and we can use the file line number as
we have only a single location. *)
(Sedlexing.Utf8.from_channel ic, { parameters with reset_line = false })
| ".txt" ->
(Sedlexing.Utf16.from_channel ic (Some Little_endian), parameters)
| _ -> raise (Failure "unknown extension")
in
let lexer =
Qparser.Lexbuf.from_lexbuf ~reset_line:parameters.reset_line lexer
in
let () =
try
while true do
parse_location lexer parameters.filters
done
with Qparser.Lexer.EOF -> ()
in
let () =
match parameters.interractive with
| true ->
print_endline "Press <Enter> to terminate";
ignore @@ read_line ()
| _ -> ()
in
()
|
