ocaml/ocamlbuild/ocaml_arch.ml

136 lines
5.3 KiB
OCaml

(***********************************************************************)
(* 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. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* Original author: Nicolas Pouillard *)
open My_std
open Command
open Pathname.Operators
type 'a arch =
| Arch_dir of string * 'a * 'a arch list
| Arch_dir_pack of string * 'a * 'a arch list
| Arch_file of string * 'a
let dir name contents = Arch_dir(name, (), contents)
let dir_pack name contents = Arch_dir_pack(name, (), contents)
let file name = Arch_file(name, ())
type info =
{
current_path : string;
include_dirs : string list;
for_pack : string;
}
let join_pack parent base =
if parent = "" then base else parent ^ "." ^ base
let annotate arch =
let rec self arch acc =
match arch with
| Arch_dir_pack(name, _, contents) ->
let acc = { (acc) with for_pack = join_pack acc.for_pack name } in
let (_, _, i, new_contents) = self_contents name contents acc in
([], Arch_dir_pack(name, i, List.rev new_contents))
| Arch_dir(name, _, contents) ->
let (current_path, include_dirs, i, new_contents) = self_contents name contents acc in
(current_path :: include_dirs, Arch_dir(name, i, List.rev new_contents))
| Arch_file(name, _) ->
([], Arch_file(name, acc))
and self_contents name contents acc =
let current_path = acc.current_path/name in
let include_dirs = if current_path = "" then acc.include_dirs else current_path :: acc.include_dirs in
let i = { (acc) with current_path = current_path; include_dirs = include_dirs } in
let (include_dirs, new_contents) =
List.fold_left begin fun (include_dirs, new_contents) x ->
let j = { (i) with include_dirs = include_dirs @ i.include_dirs } in
let (include_dirs', x') = self x j in
(include_dirs @ include_dirs', x' :: new_contents)
end ([], []) contents in
(current_path, include_dirs, i, new_contents) in
let init = { current_path = ""; include_dirs = []; for_pack = "" } in
snd (self arch init)
let rec print print_info f =
let rec print_contents f =
function
| [] -> ()
| x :: xs -> Format.fprintf f "@ %a%a" (print print_info) x print_contents xs in
function
| Arch_dir(name, info, contents) ->
Format.fprintf f "@[<v2>dir %S%a%a@]" name print_info info print_contents contents
| Arch_dir_pack(name, info, contents) ->
Format.fprintf f "@[<v2>dir_pack %S%a%a@]" name print_info info print_contents contents
| Arch_file(name, info) ->
Format.fprintf f "@[<2>file %S%a@]" name print_info info
let print_include_dirs = List.print String.print
let print_info f i =
Format.fprintf f "@ @[<v2>{ @[<2>current_path =@ %S@];@\
\ @[<2>include_dirs =@ %a@];@\
\ @[<2>for_pack =@ %S@] }@]"
i.current_path print_include_dirs i.include_dirs i.for_pack
let rec iter_info f =
function
| Arch_dir_pack(_, i, xs) | Arch_dir(_, i, xs) ->
f i; List.iter (iter_info f) xs
| Arch_file(_, i) -> f i
let rec fold_info f arch acc =
match arch with
| Arch_dir_pack(_, i, xs) | Arch_dir(_, i, xs) ->
List.fold_right (fold_info f) xs (f i acc)
| Arch_file(_, i) -> f i acc
module SS = Set.Make(String)
let iter_include_dirs arch =
let set = fold_info (fun i -> List.fold_right SS.add i.include_dirs) arch SS.empty in
fun f -> SS.iter f set
let forpack_flags_of_pathname = ref (fun _ -> N)
let print_table print_value f table =
Format.fprintf f "@[<hv0>{:@[<hv0>";
Hashtbl.iter begin fun k v ->
if k <> "" then
Format.fprintf f "@ @[<2>%S =>@ %a@];" k print_value v;
end table;
Format.fprintf f "@]@ :}@]"
let print_tables f (include_dirs_table, for_pack_table) =
Format.fprintf f "@[<2>@[<2>include_dirs_table:@ %a@];@ @[<2>for_pack_table: %a@]@]"
(print_table (List.print String.print)) include_dirs_table
(print_table String.print) for_pack_table
let mk_tables arch =
let include_dirs_table = Hashtbl.create 17
and for_pack_table = Hashtbl.create 17 in
iter_info begin fun i ->
Hashtbl.replace include_dirs_table i.current_path i.include_dirs;
Hashtbl.replace for_pack_table i.current_path i.for_pack
end arch;
let previous_forpack_flags_of_pathname = !forpack_flags_of_pathname in
forpack_flags_of_pathname := begin fun m ->
let m' = Pathname.dirname m in
try
let for_pack = Hashtbl.find for_pack_table m' in
if for_pack = "" then N else S[A"-for-pack"; A for_pack]
with Not_found -> previous_forpack_flags_of_pathname m
end;
(* Format.eprintf "@[<2>%a@]@." print_tables (include_dirs_table, for_pack_table); *)
(include_dirs_table, for_pack_table)
let forpack_flags_of_pathname m = !forpack_flags_of_pathname m