80 lines
2.5 KiB
OCaml
80 lines
2.5 KiB
OCaml
(***********************************************************************)
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(* *)
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(* ocamlbuild *)
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(* *)
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(* Nicolas Pouillard, Berke Durak, projet Gallium, INRIA Rocquencourt *)
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(* *)
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(* Copyright 2007 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the GNU Library General Public License, with *)
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(* the special exception on linking described in file ../LICENSE. *)
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(* *)
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(***********************************************************************)
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(* Original author: Nicolas Pouillard *)
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open Command
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open Bool (* FIXME remove me *)
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open Tags.Operators
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type decl = {
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tags: Tags.t;
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flags: Command.spec;
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deprecated: bool;
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}
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let flags_of_decl { flags; _ } = flags
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let tags_of_decl { tags; _ } = tags
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let all_decls = ref []
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let of_tags matched_tags =
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S begin
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List.fold_left begin fun acc { tags; flags; _ } ->
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if Tags.does_match matched_tags tags then flags :: acc
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else acc
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end [] !all_decls
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end
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let () = Command.tag_handler := of_tags
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let of_tag_list x = of_tags (Tags.of_list x)
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let add_decl decl =
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all_decls := decl :: !all_decls
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let flag ?(deprecated=false) tags flags =
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let tags = Tags.of_list tags in
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add_decl { tags; flags; deprecated }
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let pflag tags ptag flags =
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Param_tags.declare ptag
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(fun param -> flag (Param_tags.make ptag param :: tags) (flags param))
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let add x xs = x :: xs
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let remove me = List.filter (fun x -> me <> x)
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let pretty_print { tags; flags; deprecated } =
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let sflag = Command.string_of_command_spec flags in
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let header = if deprecated then "deprecated flag" else "flag" in
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let pp fmt = Log.raw_dprintf (-1) fmt in
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pp "@[<2>%s@ {. %a .}@ %S@]@\n@\n" header Tags.print tags sflag
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let show_documentation () =
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List.iter
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(fun decl -> if not decl.deprecated then pretty_print decl)
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!all_decls;
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List.iter
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(fun decl -> if decl.deprecated then pretty_print decl)
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!all_decls;
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let pp fmt = Log.raw_dprintf (-1) fmt in
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pp "@."
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let used_tags = ref Tags.empty
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let mark_tag_used tag =
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used_tags := Tags.add tag !used_tags
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let get_used_tags () =
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List.fold_left (fun acc decl -> Tags.union acc decl.tags)
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!used_tags !all_decls
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