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|
(* Js_of_ocaml compiler
* http://www.ocsigen.org/js_of_ocaml/
* Copyright (C) 2014 Hugo Heuzard
*
* This program 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, with linking exception;
* either version 2.1 of the License, or (at your option) any later version.
*
* This program 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
open Js_of_ocaml_compiler
open Js_of_ocaml_compiler.Stdlib
open Cmdliner
type 'a on_off =
{ enable : 'a
; disable : 'a
}
type t =
{ debug : string list on_off
; optim : string list on_off
; quiet : bool
; werror : bool
; warnings : (bool * Warning.t) list
; custom_header : string option
}
let debug =
lazy
(let doc = "enable debug [$(docv)]." in
let all = List.map (Debug.available ()) ~f:(fun s -> s, s) in
let arg =
Arg.(value & opt_all (list (enum all)) [] & info [ "debug" ] ~docv:"SECTION" ~doc)
in
Term.(const List.flatten $ arg))
let enable =
lazy
(let doc = "Enable optimization [$(docv)]." in
let all = List.map (Config.Flag.available ()) ~f:(fun s -> s, s) in
let arg =
Arg.(value & opt_all (list (enum all)) [] & info [ "enable" ] ~docv:"OPT" ~doc)
in
Term.(const List.flatten $ arg))
let disable =
lazy
(let doc = "Disable optimization [$(docv)]." in
let all = List.map (Config.Flag.available ()) ~f:(fun s -> s, s) in
let arg =
Arg.(value & opt_all (list (enum all)) [] & info [ "disable" ] ~docv:"OPT" ~doc)
in
Term.(const List.flatten $ arg))
let parse_warning s =
let err s = `Msg (Printf.sprintf "Unknown warning %s" s) in
if String.is_empty s
then Error (err s)
else
match Warning.parse s with
| Some n -> Ok (true, n)
| None -> (
match String.drop_prefix ~prefix:"no-" s with
| Some n -> (
match Warning.parse n with
| Some n -> Ok (false, n)
| None -> Error (err n))
| None -> Error (err s))
let print_warning fmt (b, w) =
Format.fprintf
fmt
"%s%s"
(match b with
| true -> ""
| false -> "")
(Warning.name w)
let warnings : (bool * Warning.t) list Term.t =
let doc = "Enable or disable the warnings specified by the argument [$(docv)]." in
let c : 'a Arg.conv = Arg.conv ~docv:"" (parse_warning, print_warning) in
Arg.(value & opt_all c [] & info [ "w" ] ~docv:"WARN" ~doc)
let pretty =
let doc = "Pretty print the output." in
Arg.(value & flag & info [ "pretty" ] ~doc)
let debuginfo =
let doc = "Output debug information." in
Arg.(value & flag & info [ "debuginfo"; "debug-info" ] ~doc)
let noinline =
let doc = "Disable inlining." in
Arg.(value & flag & info [ "noinline"; "no-inline" ] ~doc)
let is_quiet =
let doc = "suppress non-error messages." in
Arg.(value & flag & info [ "quiet"; "q" ] ~doc)
let is_werror =
let doc = "turn all warnings into errors." in
Arg.(value & flag & info [ "Werror" ] ~doc)
let custom_header =
let doc =
"Provide a custom header for the generated JavaScript file, useful for making the \
script an executable file with #!/usr/bin/env node"
in
Arg.(value & opt (some string) None & info [ "custom-header" ] ~doc)
let t =
lazy
Term.(
const
(fun
debug
enable
disable
pretty
debuginfo
noinline
quiet
(warnings : (bool * Warning.t) list)
werror
c_header
->
let enable = if pretty then "pretty" :: enable else enable in
let enable = if debuginfo then "debuginfo" :: enable else enable in
let disable = if noinline then "inline" :: disable else disable in
let disable_if_pretty name disable =
if pretty && not (List.mem ~eq:String.equal name enable)
then name :: disable
else disable
in
let disable = disable_if_pretty "shortvar" disable in
let disable = disable_if_pretty "share" disable in
{ debug = { enable = debug; disable = [] }
; optim = { enable; disable }
; warnings
; quiet
; werror
; custom_header = c_header
})
$ Lazy.force debug
$ Lazy.force enable
$ Lazy.force disable
$ pretty
$ debuginfo
$ noinline
$ is_quiet
$ warnings
$ is_werror
$ custom_header)
let on_off on off t =
List.iter ~f:on t.enable;
List.iter ~f:off t.disable
let eval t =
Config.Flag.(on_off enable disable t.optim);
Debug.(on_off enable disable t.debug);
List.iter t.warnings ~f:(function
| true, w -> Warning.enable w
| false, w -> Warning.disable w);
Warning.quiet := t.quiet;
Warning.werror := t.werror
|
