ocaml/lex/compact.mli

35 lines
1.9 KiB
OCaml

(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 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. *)
(* *)
(**************************************************************************)
(* Compaction of an automata *)
type lex_tables =
{ tbl_base: int array; (* Perform / Shift *)
tbl_backtrk: int array; (* No_remember / Remember *)
tbl_default: int array; (* Default transition *)
tbl_trans: int array; (* Transitions (compacted) *)
tbl_check: int array; (* Check (compacted) *)
(* code addresses are managed in a similar fashion as transitions *)
tbl_base_code : int array; (* code ptr / base for Shift *)
tbl_backtrk_code : int array; (* nothing / code when Remember *)
(* moves to execute before transitions (compacted) *)
tbl_default_code : int array;
tbl_trans_code : int array;
tbl_check_code : int array;
(* byte code itself *)
tbl_code: int array;}
val compact_tables: Lexgen.automata array -> lex_tables