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(***********************************************************************)
(* *)
(* ocamlbuild *)
(* *)
(* Nicolas Pouillard, Berke Durak, projet Gallium, INRIA Rocquencourt *)
(* *)
(* Copyright 2007 Institut National de Recherche en Informatique et *)
(* en Automatique. All rights reserved. This file is distributed *)
(* under the terms of the Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* Original author: Nicolas Pouillard *)
open My_std
open Log
open Lexers
type t = Lexers.conf
let acknowledge_config config =
List.iter
(fun (_, config) -> List.iter Param_tags.acknowledge config.plus_tags)
config
let cache = Hashtbl.create 107
let (configs, add_config) =
let configs = ref [] in
(fun () -> !configs),
(fun config ->
acknowledge_config config;
configs := config :: !configs;
Hashtbl.clear cache)
let parse_string s =
let conf = Lexers.conf_lines None 1 (Printf.sprintf "string: %S" s) (Lexing.from_string s) in
add_config conf
let parse_file ?dir file =
try
with_input_file file begin fun ic ->
let conf = Lexers.conf_lines dir 1 (Printf.sprintf "file: %S" file) (Lexing.from_channel ic) in
add_config conf
end
with Lexers.Error msg -> raise (Lexers.Error (file ^ ": " ^ msg))
let key_match = Glob.eval
let apply_config s (config : t) init =
List.fold_left begin fun tags (key, v) ->
if key_match key s then
List.fold_right Tags.add v.plus_tags (List.fold_right Tags.remove v.minus_tags tags)
else tags
end init config
let apply_configs s = List.fold_right (apply_config s) (configs ()) Tags.empty
let tags_of_filename s =
try Hashtbl.find cache s
with Not_found ->
let res = apply_configs s in
let () = Hashtbl.replace cache s res in
res
let has_tag tag = Tags.mem tag (tags_of_filename "")
let tag_file file tags =
if tags <> [] then parse_string (Printf.sprintf "%S: %s" file (String.concat ", " tags));;
let tag_any tags =
if tags <> [] then parse_string (Printf.sprintf "true: %s" (String.concat ", " tags));;
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