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
80
81
82
83
84
85
86
type error =
[ `Premature_end_of_input
| `Unknown_field_type of int
| `Wrong_field_type of string * string
| `Illegal_value of string * Field.t
| `Unknown_enum_value of int
| `Unknown_enum_name of string
| `Required_field_missing of int * string ]
exception Error of error
type 'a t = ('a, error) result
let raise error = raise (Error error)
let catch f = try Ok (f ()) with Error (#error as v) -> Error v
let ( >>| ) : 'a t -> ('a -> 'b) -> 'b t = function Ok x -> fun f -> Ok (f x) | Error err -> fun _ -> Error err
let ( >>= ) : 'a t -> ('a -> 'b t) -> 'b t = function Ok x -> fun f -> f x | Error err -> fun _ -> Error err
let return x = Ok x
let fail : error -> 'a t = fun x -> Error x
let get ~msg = function
| Ok v -> v
| Error _ -> failwith msg
let pp_error : Format.formatter -> [> error] -> unit = fun fmt -> function
| `Premature_end_of_input ->
Format.pp_print_string fmt
"`Premature_end_of_input"
| `Unknown_field_type x ->
(Format.fprintf fmt
"`Unknown_field_type (@[<hov>";
(Format.fprintf fmt "%d") x;
Format.fprintf fmt "@])")
| `Wrong_field_type x ->
(Format.fprintf fmt
"`Wrong_field_type (@[<hov>";
((fun (a0, a1) ->
Format.fprintf fmt "(@[";
((Format.fprintf fmt "%S") a0;
Format.fprintf fmt ",@ ";
(Format.fprintf fmt "%S") a1);
Format.fprintf fmt "@])")) x;
Format.fprintf fmt "@])")
| `Illegal_value x ->
(Format.fprintf fmt
"`Illegal_value (@[<hov>";
((fun (a0, a1) ->
Format.fprintf fmt "(@[";
((Format.fprintf fmt "%S") a0;
Format.fprintf fmt ",@ ";
(Field.pp fmt) a1);
Format.fprintf fmt "@])")) x;
Format.fprintf fmt "@])")
| `Unknown_enum_value x ->
(Format.fprintf fmt
"`Unknown_enum_value (@[<hov>";
(Format.fprintf fmt "%d") x;
Format.fprintf fmt "@])")
| `Unknown_enum_name x ->
(Format.fprintf fmt
"`Unknown_enum_name (@[<hov>";
(Format.fprintf fmt "%s") x;
Format.fprintf fmt "@])")
| `Oneof_missing ->
Format.pp_print_string fmt "`Oneof_missing"
| `Required_field_missing x ->
(Format.fprintf fmt
"`Required_field_missing (@[<hov>";
((fun (a0, a1) ->
Format.fprintf fmt "(@[";
((Format.fprintf fmt "%d") a0;
Format.fprintf fmt ",@ ";
(Format.fprintf fmt "%s") a1);
Format.fprintf fmt "@])")) x;
Format.fprintf fmt "@])")
let show_error : error -> string = Format.asprintf "%a" pp_error
let _ =
Printexc.register_printer (function Error e -> Printf.sprintf "Ocaml_protoc_plugin.Result.Error (%s)" (show_error e) |> Option.some | _ -> None)
let pp pp fmt = function
| Ok v -> Format.fprintf fmt "Ok %a" pp v
| Error (#error as e) -> Format.fprintf fmt "Error %a" pp_error e