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setup.ml
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setup.ml
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(******************************************************************************)
(* OASIS: architecture for building OCaml libraries and applications *)
(* *)
(* Copyright (C) 2011-2016, Sylvain Le Gall *)
(* Copyright (C) 2008-2011, OCamlCore SARL *)
(* *)
(* This library 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; either version 2.1 of the License, or (at *)
(* your option) any later version, with the OCaml static compilation *)
(* exception. *)
(* *)
(* This library 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 file COPYING for more *)
(* details. *)
(* *)
(* You should have received a copy of the GNU Lesser General Public License *)
(* along with this library; if not, write to the Free Software Foundation, *)
(* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *)
(******************************************************************************)
(* OASIS_START *)
(* DO NOT EDIT (digest: ba786ae126b8ef96bff21f5a44b69ef6) *)
(*
Regenerated by OASIS v0.4.11
Visit http://oasis.forge.ocamlcore.org for more information and
documentation about functions used in this file.
*)
module OASISGettext = struct
# 22 "src/oasis/OASISGettext.ml"
let ns_ str = str
let s_ str = str
let f_ (str: ('a, 'b, 'c, 'd) format4) = str
let fn_ fmt1 fmt2 n =
if n = 1 then
fmt1^^""
else
fmt2^^""
let init = []
end
module OASISString = struct
# 22 "src/oasis/OASISString.ml"
(** Various string utilities.
Mostly inspired by extlib and batteries ExtString and BatString libraries.
@author Sylvain Le Gall
*)
let nsplitf str f =
if str = "" then
[]
else
let buf = Buffer.create 13 in
let lst = ref [] in
let push () =
lst := Buffer.contents buf :: !lst;
Buffer.clear buf
in
let str_len = String.length str in
for i = 0 to str_len - 1 do
if f str.[i] then
push ()
else
Buffer.add_char buf str.[i]
done;
push ();
List.rev !lst
(** [nsplit c s] Split the string [s] at char [c]. It doesn't include the
separator.
*)
let nsplit str c =
nsplitf str ((=) c)
let find ~what ?(offset=0) str =
let what_idx = ref 0 in
let str_idx = ref offset in
while !str_idx < String.length str &&
!what_idx < String.length what do
if str.[!str_idx] = what.[!what_idx] then
incr what_idx
else
what_idx := 0;
incr str_idx
done;
if !what_idx <> String.length what then
raise Not_found
else
!str_idx - !what_idx
let sub_start str len =
let str_len = String.length str in
if len >= str_len then
""
else
String.sub str len (str_len - len)
let sub_end ?(offset=0) str len =
let str_len = String.length str in
if len >= str_len then
""
else
String.sub str 0 (str_len - len)
let starts_with ~what ?(offset=0) str =
let what_idx = ref 0 in
let str_idx = ref offset in
let ok = ref true in
while !ok &&
!str_idx < String.length str &&
!what_idx < String.length what do
if str.[!str_idx] = what.[!what_idx] then
incr what_idx
else
ok := false;
incr str_idx
done;
!what_idx = String.length what
let strip_starts_with ~what str =
if starts_with ~what str then
sub_start str (String.length what)
else
raise Not_found
let ends_with ~what ?(offset=0) str =
let what_idx = ref ((String.length what) - 1) in
let str_idx = ref ((String.length str) - 1) in
let ok = ref true in
while !ok &&
offset <= !str_idx &&
0 <= !what_idx do
if str.[!str_idx] = what.[!what_idx] then
decr what_idx
else
ok := false;
decr str_idx
done;
!what_idx = -1
let strip_ends_with ~what str =
if ends_with ~what str then
sub_end str (String.length what)
else
raise Not_found
let replace_chars f s =
let buf = Buffer.create (String.length s) in
String.iter (fun c -> Buffer.add_char buf (f c)) s;
Buffer.contents buf
let lowercase_ascii =
replace_chars
(fun c ->
if (c >= 'A' && c <= 'Z') then
Char.chr (Char.code c + 32)
else
c)
let uncapitalize_ascii s =
if s <> "" then
(lowercase_ascii (String.sub s 0 1)) ^ (String.sub s 1 ((String.length s) - 1))
else
s
let uppercase_ascii =
replace_chars
(fun c ->
if (c >= 'a' && c <= 'z') then
Char.chr (Char.code c - 32)
else
c)
let capitalize_ascii s =
if s <> "" then
(uppercase_ascii (String.sub s 0 1)) ^ (String.sub s 1 ((String.length s) - 1))
else
s
end
module OASISUtils = struct
# 22 "src/oasis/OASISUtils.ml"
open OASISGettext
module MapExt =
struct
module type S =
sig
include Map.S
val add_list: 'a t -> (key * 'a) list -> 'a t
val of_list: (key * 'a) list -> 'a t
val to_list: 'a t -> (key * 'a) list
end
module Make (Ord: Map.OrderedType) =
struct
include Map.Make(Ord)
let rec add_list t =
function
| (k, v) :: tl -> add_list (add k v t) tl
| [] -> t
let of_list lst = add_list empty lst
let to_list t = fold (fun k v acc -> (k, v) :: acc) t []
end
end
module MapString = MapExt.Make(String)
module SetExt =
struct
module type S =
sig
include Set.S
val add_list: t -> elt list -> t
val of_list: elt list -> t
val to_list: t -> elt list
end
module Make (Ord: Set.OrderedType) =
struct
include Set.Make(Ord)
let rec add_list t =
function
| e :: tl -> add_list (add e t) tl
| [] -> t
let of_list lst = add_list empty lst
let to_list = elements
end
end
module SetString = SetExt.Make(String)
let compare_csl s1 s2 =
String.compare (OASISString.lowercase_ascii s1) (OASISString.lowercase_ascii s2)
module HashStringCsl =
Hashtbl.Make
(struct
type t = string
let equal s1 s2 = (compare_csl s1 s2) = 0
let hash s = Hashtbl.hash (OASISString.lowercase_ascii s)
end)
module SetStringCsl =
SetExt.Make
(struct
type t = string
let compare = compare_csl
end)
let varname_of_string ?(hyphen='_') s =
if String.length s = 0 then
begin
invalid_arg "varname_of_string"
end
else
begin
let buf =
OASISString.replace_chars
(fun c ->
if ('a' <= c && c <= 'z')
||
('A' <= c && c <= 'Z')
||
('0' <= c && c <= '9') then
c
else
hyphen)
s;
in
let buf =
(* Start with a _ if digit *)
if '0' <= s.[0] && s.[0] <= '9' then
"_"^buf
else
buf
in
OASISString.lowercase_ascii buf
end
let varname_concat ?(hyphen='_') p s =
let what = String.make 1 hyphen in
let p =
try
OASISString.strip_ends_with ~what p
with Not_found ->
p
in
let s =
try
OASISString.strip_starts_with ~what s
with Not_found ->
s
in
p^what^s
let is_varname str =
str = varname_of_string str
let failwithf fmt = Printf.ksprintf failwith fmt
let rec file_location ?pos1 ?pos2 ?lexbuf () =
match pos1, pos2, lexbuf with
| Some p, None, _ | None, Some p, _ ->
file_location ~pos1:p ~pos2:p ?lexbuf ()
| Some p1, Some p2, _ ->
let open Lexing in
let fn, lineno = p1.pos_fname, p1.pos_lnum in
let c1 = p1.pos_cnum - p1.pos_bol in
let c2 = c1 + (p2.pos_cnum - p1.pos_cnum) in
Printf.sprintf (f_ "file %S, line %d, characters %d-%d") fn lineno c1 c2
| _, _, Some lexbuf ->
file_location
~pos1:(Lexing.lexeme_start_p lexbuf)
~pos2:(Lexing.lexeme_end_p lexbuf)
()
| None, None, None ->
s_ "<position undefined>"
let failwithpf ?pos1 ?pos2 ?lexbuf fmt =
let loc = file_location ?pos1 ?pos2 ?lexbuf () in
Printf.ksprintf (fun s -> failwith (Printf.sprintf "%s: %s" loc s)) fmt
end
module OASISUnixPath = struct
# 22 "src/oasis/OASISUnixPath.ml"
type unix_filename = string
type unix_dirname = string
type host_filename = string
type host_dirname = string
let current_dir_name = "."
let parent_dir_name = ".."
let is_current_dir fn =
fn = current_dir_name || fn = ""
let concat f1 f2 =
if is_current_dir f1 then
f2
else
let f1' =
try OASISString.strip_ends_with ~what:"/" f1 with Not_found -> f1
in
f1'^"/"^f2
let make =
function
| hd :: tl ->
List.fold_left
(fun f p -> concat f p)
hd
tl
| [] ->
invalid_arg "OASISUnixPath.make"
let dirname f =
try
String.sub f 0 (String.rindex f '/')
with Not_found ->
current_dir_name
let basename f =
try
let pos_start =
(String.rindex f '/') + 1
in
String.sub f pos_start ((String.length f) - pos_start)
with Not_found ->
f
let chop_extension f =
try
let last_dot =
String.rindex f '.'
in
let sub =
String.sub f 0 last_dot
in
try
let last_slash =
String.rindex f '/'
in
if last_slash < last_dot then
sub
else
f
with Not_found ->
sub
with Not_found ->
f
let capitalize_file f =
let dir = dirname f in
let base = basename f in
concat dir (OASISString.capitalize_ascii base)
let uncapitalize_file f =
let dir = dirname f in
let base = basename f in
concat dir (OASISString.uncapitalize_ascii base)
end
module OASISHostPath = struct
# 22 "src/oasis/OASISHostPath.ml"
open Filename
open OASISGettext
module Unix = OASISUnixPath
let make =
function
| [] ->
invalid_arg "OASISHostPath.make"
| hd :: tl ->
List.fold_left Filename.concat hd tl
let of_unix ufn =
match Sys.os_type with
| "Unix" | "Cygwin" -> ufn
| "Win32" ->
make
(List.map
(fun p ->
if p = Unix.current_dir_name then
current_dir_name
else if p = Unix.parent_dir_name then
parent_dir_name
else
p)
(OASISString.nsplit ufn '/'))
| os_type ->
OASISUtils.failwithf
(f_ "Don't know the path format of os_type %S when translating unix \
filename. %S")
os_type ufn
end
module OASISFileSystem = struct
# 22 "src/oasis/OASISFileSystem.ml"
(** File System functions
@author Sylvain Le Gall
*)
type 'a filename = string
class type closer =
object
method close: unit
end
class type reader =
object
inherit closer
method input: Buffer.t -> int -> unit
end
class type writer =
object
inherit closer
method output: Buffer.t -> unit
end
class type ['a] fs =
object
method string_of_filename: 'a filename -> string
method open_out: ?mode:(open_flag list) -> ?perm:int -> 'a filename -> writer
method open_in: ?mode:(open_flag list) -> ?perm:int -> 'a filename -> reader
method file_exists: 'a filename -> bool
method remove: 'a filename -> unit
end
module Mode =
struct
let default_in = [Open_rdonly]
let default_out = [Open_wronly; Open_creat; Open_trunc]
let text_in = Open_text :: default_in
let text_out = Open_text :: default_out
let binary_in = Open_binary :: default_in
let binary_out = Open_binary :: default_out
end
let std_length = 4096 (* Standard buffer/read length. *)
let binary_out = Mode.binary_out
let binary_in = Mode.binary_in
let of_unix_filename ufn = (ufn: 'a filename)
let to_unix_filename fn = (fn: string)
let defer_close o f =
try
let r = f o in o#close; r
with e ->
o#close; raise e
let stream_of_reader rdr =
let buf = Buffer.create std_length in
let pos = ref 0 in
let eof = ref false in
let rec next idx =
let bpos = idx - !pos in
if !eof then begin
None
end else if bpos < Buffer.length buf then begin
Some (Buffer.nth buf bpos)
end else begin
pos := !pos + Buffer.length buf;
Buffer.clear buf;
begin
try
rdr#input buf std_length;
with End_of_file ->
if Buffer.length buf = 0 then
eof := true
end;
next idx
end
in
Stream.from next
let read_all buf rdr =
try
while true do
rdr#input buf std_length
done
with End_of_file ->
()
class ['a] host_fs rootdir : ['a] fs =
object (self)
method private host_filename fn = Filename.concat rootdir fn
method string_of_filename = self#host_filename
method open_out ?(mode=Mode.text_out) ?(perm=0o666) fn =
let chn = open_out_gen mode perm (self#host_filename fn) in
object
method close = close_out chn
method output buf = Buffer.output_buffer chn buf
end
method open_in ?(mode=Mode.text_in) ?(perm=0o666) fn =
(* TODO: use Buffer.add_channel when minimal version of OCaml will
* be >= 4.03.0 (previous version was discarding last chars).
*)
let chn = open_in_gen mode perm (self#host_filename fn) in
let strm = Stream.of_channel chn in
object
method close = close_in chn
method input buf len =
let read = ref 0 in
try
for _i = 0 to len do
Buffer.add_char buf (Stream.next strm);
incr read
done
with Stream.Failure ->
if !read = 0 then
raise End_of_file
end
method file_exists fn = Sys.file_exists (self#host_filename fn)
method remove fn = Sys.remove (self#host_filename fn)
end
end
module OASISContext = struct
# 22 "src/oasis/OASISContext.ml"
open OASISGettext
type level =
[ `Debug
| `Info
| `Warning
| `Error]
type source
type source_filename = source OASISFileSystem.filename
let in_srcdir ufn = OASISFileSystem.of_unix_filename ufn
type t =
{
(* TODO: replace this by a proplist. *)
quiet: bool;
info: bool;
debug: bool;
ignore_plugins: bool;
ignore_unknown_fields: bool;
printf: level -> string -> unit;
srcfs: source OASISFileSystem.fs;
load_oasis_plugin: string -> bool;
}
let printf lvl str =
let beg =
match lvl with
| `Error -> s_ "E: "
| `Warning -> s_ "W: "
| `Info -> s_ "I: "
| `Debug -> s_ "D: "
in
prerr_endline (beg^str)
let default =
ref
{
quiet = false;
info = false;
debug = false;
ignore_plugins = false;
ignore_unknown_fields = false;
printf = printf;
srcfs = new OASISFileSystem.host_fs(Sys.getcwd ());
load_oasis_plugin = (fun _ -> false);
}
let quiet =
{!default with quiet = true}
let fspecs () =
(* TODO: don't act on default. *)
let ignore_plugins = ref false in
["-quiet",
Arg.Unit (fun () -> default := {!default with quiet = true}),
s_ " Run quietly";
"-info",
Arg.Unit (fun () -> default := {!default with info = true}),
s_ " Display information message";
"-debug",
Arg.Unit (fun () -> default := {!default with debug = true}),
s_ " Output debug message";
"-ignore-plugins",
Arg.Set ignore_plugins,
s_ " Ignore plugin's field.";
"-C",
Arg.String
(fun str ->
Sys.chdir str;
default := {!default with srcfs = new OASISFileSystem.host_fs str}),
s_ "dir Change directory before running (affects setup.{data,log})."],
fun () -> {!default with ignore_plugins = !ignore_plugins}
end
module PropList = struct
# 22 "src/oasis/PropList.ml"
open OASISGettext
type name = string
exception Not_set of name * string option
exception No_printer of name
exception Unknown_field of name * name
let () =
Printexc.register_printer
(function
| Not_set (nm, Some rsn) ->
Some
(Printf.sprintf (f_ "Field '%s' is not set: %s") nm rsn)
| Not_set (nm, None) ->
Some
(Printf.sprintf (f_ "Field '%s' is not set") nm)
| No_printer nm ->
Some
(Printf.sprintf (f_ "No default printer for value %s") nm)
| Unknown_field (nm, schm) ->
Some
(Printf.sprintf
(f_ "Field %s is not defined in schema %s") nm schm)
| _ ->
None)
module Data =
struct
type t =
(name, unit -> unit) Hashtbl.t
let create () =
Hashtbl.create 13
let clear t =
Hashtbl.clear t
# 77 "src/oasis/PropList.ml"
end
module Schema =
struct
type ('ctxt, 'extra) value =
{
get: Data.t -> string;
set: Data.t -> ?context:'ctxt -> string -> unit;
help: (unit -> string) option;
extra: 'extra;
}
type ('ctxt, 'extra) t =
{
name: name;
fields: (name, ('ctxt, 'extra) value) Hashtbl.t;
order: name Queue.t;
name_norm: string -> string;
}
let create ?(case_insensitive=false) nm =
{
name = nm;
fields = Hashtbl.create 13;
order = Queue.create ();
name_norm =
(if case_insensitive then
OASISString.lowercase_ascii
else
fun s -> s);
}
let add t nm set get extra help =
let key =
t.name_norm nm
in
if Hashtbl.mem t.fields key then
failwith
(Printf.sprintf
(f_ "Field '%s' is already defined in schema '%s'")
nm t.name);
Hashtbl.add
t.fields
key
{
set = set;
get = get;
help = help;
extra = extra;
};
Queue.add nm t.order
let mem t nm =
Hashtbl.mem t.fields nm
let find t nm =
try
Hashtbl.find t.fields (t.name_norm nm)
with Not_found ->
raise (Unknown_field (nm, t.name))
let get t data nm =
(find t nm).get data
let set t data nm ?context x =
(find t nm).set
data
?context
x
let fold f acc t =
Queue.fold
(fun acc k ->
let v =
find t k
in
f acc k v.extra v.help)
acc
t.order
let iter f t =
fold
(fun () -> f)
()
t
let name t =
t.name
end
module Field =
struct
type ('ctxt, 'value, 'extra) t =
{
set: Data.t -> ?context:'ctxt -> 'value -> unit;
get: Data.t -> 'value;
sets: Data.t -> ?context:'ctxt -> string -> unit;
gets: Data.t -> string;
help: (unit -> string) option;
extra: 'extra;
}
let new_id =
let last_id =
ref 0
in
fun () -> incr last_id; !last_id
let create ?schema ?name ?parse ?print ?default ?update ?help extra =
(* Default value container *)
let v =
ref None
in
(* If name is not given, create unique one *)
let nm =
match name with
| Some s -> s
| None -> Printf.sprintf "_anon_%d" (new_id ())
in
(* Last chance to get a value: the default *)
let default () =
match default with
| Some d -> d
| None -> raise (Not_set (nm, Some (s_ "no default value")))
in
(* Get data *)
let get data =
(* Get value *)
try
(Hashtbl.find data nm) ();
match !v with
| Some x -> x
| None -> default ()
with Not_found ->
default ()
in
(* Set data *)
let set data ?context x =
let x =
match update with
| Some f ->
begin
try
f ?context (get data) x
with Not_set _ ->
x
end
| None ->
x
in
Hashtbl.replace
data
nm
(fun () -> v := Some x)
in
(* Parse string value, if possible *)
let parse =
match parse with
| Some f ->
f
| None ->
fun ?context s ->
failwith
(Printf.sprintf
(f_ "Cannot parse field '%s' when setting value %S")
nm
s)
in
(* Set data, from string *)
let sets data ?context s =
set ?context data (parse ?context s)
in
(* Output value as string, if possible *)
let print =
match print with
| Some f ->
f
| None ->
fun _ -> raise (No_printer nm)
in
(* Get data, as a string *)
let gets data =
print (get data)
in
begin
match schema with
| Some t ->
Schema.add t nm sets gets extra help
| None ->
()
end;
{
set = set;
get = get;
sets = sets;
gets = gets;
help = help;
extra = extra;
}
let fset data t ?context x =
t.set data ?context x