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|
(* Js_of_ocaml compiler
* http://www.ocsigen.org/js_of_ocaml/
* Copyright (C) 2021 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.Stdlib
open Js_of_ocaml_compiler
let group_by_snd l =
l
|> List.sort_uniq ~compare:(fun (n1, l1) (n2, l2) ->
match Poly.compare l1 l2 with
| 0 -> String.compare n1 n2
| c -> c)
|> List.group ~f:(fun (_, g1) (_, g2) -> Poly.equal g1 g2)
let print_groups output l =
List.iter l ~f:(fun group ->
match group with
| [] -> assert false
| (_, loc) :: _ ->
(match loc with
| [] -> ()
| loc ->
output_string
output
(Printf.sprintf "\nFrom %s:\n" (String.concat ~sep:"," loc)));
List.iter group ~f:(fun (name, _) ->
output_string output (Printf.sprintf "%s\n" name)))
let f (runtime_files, bytecode, target_env) =
Config.set_target `JavaScript;
Linker.reset ();
let runtime_files, builtin =
List.partition_map runtime_files ~f:(fun name ->
match Builtins.find name with
| Some t -> `Snd t
| None -> `Fst name)
in
let builtin =
if false then builtin else Js_of_ocaml_compiler_runtime_files.runtime @ builtin
in
List.iter builtin ~f:(fun t ->
let filename = Builtins.File.name t in
let runtimes = Linker.Fragment.parse_builtin t in
Linker.load_fragments ~target_env ~filename runtimes);
Linker.load_files ~target_env runtime_files;
Linker.check_deps ();
let all_prims =
List.concat_map bytecode ~f:(fun f ->
let ic = open_in_bin f in
let prims =
match Parse_bytecode.from_channel ic with
| `Cmo x -> x.Cmo_format.cu_primitives
| `Cma x ->
List.concat_map
~f:(fun x -> x.Cmo_format.cu_primitives)
x.Cmo_format.lib_units
| `Exe ->
let toc = Parse_bytecode.Toc.read ic in
Parse_bytecode.read_primitives toc ic
in
close_in ic;
List.map ~f:(fun p -> p, f) prims)
in
let _percent_prim, needed =
List.partition all_prims ~f:(fun (x, _) -> Char.equal (String.get x 0) '%')
in
let origin =
List.fold_left
~f:(fun acc (x, y) ->
let l = try StringMap.find x acc with Not_found -> [] in
StringMap.add x (y :: l) acc)
~init:StringMap.empty
needed
in
let needed = StringSet.of_list (List.map ~f:fst needed) in
let from_runtime1 = Linker.list_all () in
let from_runtime2 = Primitive.get_external () in
(* [from_runtime2] is a superset of [from_runtime1].
Extra primitives are registered on the ocaml side (e.g. generate.ml) *)
assert (StringSet.is_empty (StringSet.diff from_runtime1 from_runtime2));
let missing' = StringSet.diff needed from_runtime1 in
let all_used, missing =
let state = Linker.init () in
let state, missing = Linker.resolve_deps state needed in
StringSet.of_list (Linker.all state), missing
in
assert (StringSet.equal missing missing');
let extra = StringSet.diff from_runtime1 all_used |> StringSet.elements in
let extra =
extra
|> List.map ~f:(fun name ->
( (name ^ if Linker.deprecated ~name then " (deprecated)" else "")
, match Linker.origin ~name with
| None -> []
| Some x -> [ x ] ))
|> group_by_snd
in
let missing_for_real =
StringSet.diff missing from_runtime2
|> StringSet.elements
|> List.map ~f:(fun x -> x, StringMap.find x origin)
|> group_by_snd
in
let output = stdout in
set_binary_mode_out output true;
output_string output "Missing\n";
output_string output "-------\n";
print_groups output missing_for_real;
output_string output "\n";
output_string output "Unused\n";
output_string output "-------\n";
print_groups output extra;
output_string output "\n";
()
let options =
let open Cmdliner in
(* TODO: add flags to only display missing or extra primitives *)
let files =
let doc = "Bytecode and JavaScript files [$(docv)]. " in
Arg.(value & pos_all string [] & info [] ~docv:"FILES" ~doc)
in
let build_t files target_env =
let runtime_files, bc_files =
List.partition files ~f:(fun file -> Filename.check_suffix file ".js")
in
`Ok (runtime_files, bc_files, target_env)
in
let target_env =
let doc = "Runtime compile target." in
let options = List.map ~f:(fun env -> Target_env.to_string env, env) Target_env.all in
let docv = Printf.sprintf "{%s}" (String.concat ~sep:"," (List.map ~f:fst options)) in
Arg.(
value & opt (enum options) Target_env.Isomorphic & info [ "target-env" ] ~docv ~doc)
in
let t = Term.(const build_t $ files $ target_env) in
Term.ret t
let info =
Info.make
~name:"check-runtime"
~doc:"Check runtime"
~description:"js_of_ocaml-check-runtime checks the runtime."
let command =
let t = Cmdliner.Term.(const f $ options) in
Cmdliner.Cmd.v info t
|
