1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
(* Js_of_ocaml compiler
* http://www.ocsigen.org/js_of_ocaml/
*
* This program 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, with linking exception;
* either version 2.1 of the License, or (at your option) any later version.
*
* This program 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
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*)
open! Stdlib
type t = int list
let split_char ~sep p =
let len = String.length p in
let rec split beg cur =
if cur >= len
then if cur - beg > 0 then [ String.sub p ~pos:beg ~len:(cur - beg) ] else []
else if sep p.[cur]
then String.sub p ~pos:beg ~len:(cur - beg) :: split (cur + 1) (cur + 1)
else split beg (cur + 1)
in
split 0 0
let split v =
match
split_char
~sep:(function
| '+' | '-' | '~' -> true
| _ -> false)
v
with
| [] -> assert false
| x :: _ ->
List.map
(split_char
~sep:(function
| '.' -> true
| _ -> false)
x)
~f:int_of_string
let current = split Sys.ocaml_version
let compint (a : int) b = compare a b
let rec compare v v' =
match v, v' with
| [ x ], [ y ] -> compint x y
| [], [] -> 0
| [], y :: _ -> compint 0 y
| x :: _, [] -> compint x 0
| x :: xs, y :: ys -> (
match compint x y with
| 0 -> compare xs ys
| n -> n)
|
