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|
(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Luc Maranget, projet Moscova, INRIA Rocquencourt *)
(* *)
(* Copyright 2002 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
type 'a t = {mutable next : int ; mutable data : 'a array}
let default_size = 32
let create x = {next = 0 ; data = Array.make default_size x}
and reset t = t.next <- 0
let incr_table table new_size =
let t = Array.make new_size table.data.(0) in
Array.blit table.data 0 t 0 (Array.length table.data) ;
table.data <- t
let 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
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
let size t = t.next
|
