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0f9ee2c72e
- Use separate functions for successive passes in module `Driver.Passes` - Use other functions for end results printing in module `Driver.Commands` As a consequence, it is much more flexible to use by plugins or libs and we no longer need the complex polymorphic variant parameter. This patch leverages previous changes to use Cmdliner subcommands and effectively specialises the flags of each Catala subcommand. Other changes include: - an attempt to normalise the generic options and reduce the number of global references. Some are ok, like `debug` ; some would better be further cleaned up, e.g. the ones used by Proof backend were moved to a `Proof.globals` module and need discussion. The printer no longer relies on the global languages and prints money amounts in an agnostic way. - the plugin directory is automatically guessed and loaded even in dev setups. Plugins are shown by the main `catala` command and listed in `catala --help` - exception catching at the toplevel has been refactored a bit as well; return codes are normalised to follow the manpage and avoid codes >= 128 that are generally reserved for shells. Update tests
53 lines
1.8 KiB
OCaml
53 lines
1.8 KiB
OCaml
(* This file is part of the Catala compiler, a specification language for tax
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and social benefits computation rules. Copyright (C) 2022 Inria, OCamlPro;
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contributors: Louis Gesbert <louis.gesbert@ocamlpro.com>
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Licensed under the Apache License, Version 2.0 (the "License"); you may not
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use this file except in compliance with the License. You may obtain a copy of
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the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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License for the specific language governing permissions and limitations under
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the License. *)
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open Catala_utils
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open Cmdliner
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type t = unit Cmdliner.Cmd.t
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let backend_plugins : (string, t) Hashtbl.t = Hashtbl.create 17
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let register info term =
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let name = String.lowercase_ascii (Cmd.name (Cmd.v info (Term.const ()))) in
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Hashtbl.replace backend_plugins name
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(Cmd.v info Term.(term $ Cli.Flags.Global.options))
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let list () = Hashtbl.to_seq_values backend_plugins |> List.of_seq
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let names () = Hashtbl.to_seq_keys backend_plugins |> List.of_seq
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let load_file f =
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try
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Dynlink.loadfile f;
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Message.emit_debug "Plugin %S loaded" f
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with e ->
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Message.emit_warning "Could not load plugin %S: %s" f (Printexc.to_string e)
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let rec load_dir d =
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Message.emit_debug "Loading plugins from %s" d;
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let dynlink_exts =
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if Dynlink.is_native then [".cmxs"] else [".cmo"; ".cma"]
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in
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Array.iter
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(fun f ->
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if f.[0] = '.' then ()
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else
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let f = Filename.concat d f in
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if Sys.is_directory f then load_dir f
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else if List.exists (Filename.check_suffix f) dynlink_exts then
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load_file f)
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(Sys.readdir d)
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