Source file generate_opam_files.ml

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
87
88
89
(*********************************************************************************)
(*  Dunolint - A tool to lint and help manage files in dune projects             *)
(*  Copyright (C) 2024-2025 Mathieu Barbin <mathieu.barbin@gmail.com>            *)
(*                                                                               *)
(*  This file is part of Dunolint.                                               *)
(*                                                                               *)
(*  Dunolint is free software; you can redistribute it and/or modify it          *)
(*  under the terms of the GNU Lesser General Public License as published by     *)
(*  the Free Software Foundation either version 3 of the License, or any later   *)
(*  version, with the LGPL-3.0 Linking Exception.                                *)
(*                                                                               *)
(*  Dunolint 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 Lesser General Public License  *)
(*  and the file `NOTICE.md` at the root of this repository for more details.    *)
(*                                                                               *)
(*  You should have received a copy of the GNU Lesser General Public License     *)
(*  and the LGPL-3.0 Linking Exception along with this library. If not, see      *)
(*  <http://www.gnu.org/licenses/> and <https://spdx.org>, respectively.         *)
(*********************************************************************************)

let field_name = "generate_opam_files"

type t = { args : Sexp.t list } [@@deriving sexp_of]

let create () = { args = [] }

module Handler = Dunolinter.Sexp_handler.Make_sexp_list (struct
    let field_name = field_name
  end)

let read ~sexps_rewriter ~field =
  let args = Handler.read ~sexps_rewriter ~field in
  { args }
;;

let write t = Handler.write t.args
let rewrite t ~sexps_rewriter ~field = Handler.rewrite t.args ~sexps_rewriter ~field

type predicate = Dune_project.Generate_opam_files.Predicate.t

let eval _t ~predicate =
  match (predicate : predicate) with
  | `is_present -> true |> Dunolint.Trilang.const
;;

let enforce =
  Dunolinter.Linter.enforce
    (module Dune_project.Generate_opam_files.Predicate)
    ~eval
    ~enforce:(fun _ predicate ->
      match predicate with
      | Not `is_present -> Eval
      | T `is_present -> Ok)
;;

module Top = struct
  type nonrec t = t

  let eval = eval
  let enforce = enforce
end

module Linter = struct
  type t = Top.t
  type predicate = Dune_project.Predicate.t

  let eval (t : t) ~predicate =
    match (predicate : predicate) with
    | `generate_opam_files condition ->
      Dunolint.Trilang.eval condition ~f:(fun predicate -> Top.eval t ~predicate)
    | `implicit_transitive_deps _ | `name _ -> Dunolint.Trilang.Undefined
  ;;

  let enforce =
    Dunolinter.Linter.enforce
      (module Dune_project.Predicate)
      ~eval
      ~enforce:(fun t predicate ->
        match predicate with
        | Not _ -> Eval
        | T dune_project ->
          (match dune_project with
           | `generate_opam_files condition ->
             Top.enforce t ~condition;
             Ok
           | `implicit_transitive_deps _ | `name _ -> Unapplicable))
  ;;
end