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|
(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* Luc Maranget, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 2004 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: extarray.ml 6489 2004-07-02 11:37:31Z maranget $ *)
type 'a t = {mutable next : int ; mutable data : 'a array}
let default_size = 32
;;
let create x = {next = 0 ; data = Array.create default_size x}
and reset t = t.next <- 0
;;
let size t = t.next
let incr_table table new_size =
let t = Array.create new_size table.data.(0) in
Array.blit table.data 0 t 0 (Array.length table.data) ;
table.data <- t
let do_emit table i =
let size = Array.length table.data in
if table.next >= size then
incr_table table (2*size);
table.data.(table.next) <- i ;
table.next <- table.next + 1
;;
let emit t x = do_emit t x ; t.next-1
exception Error
let get t i =
if 0 <= i && i < t.next then
t.data.(i)
else
raise Error
let trim t =
let r = Array.sub t.data 0 t.next in
reset t ;
r
let iter t f =
let size = t.next
and data = t.data in
for i = 0 to size-1 do
f data.(i)
done
|
