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(**************************************************************************)
(* *)
(* 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. *)
(* *)
(**************************************************************************)
(* The shallow abstract syntax *)
type location = {
loc_file : string;
start_pos : int;
end_pos : int;
start_line : int;
start_col : int;
}
type regular_expression =
Epsilon
| Characters of Cset.t
| Eof
| Sequence of regular_expression * regular_expression
| Alternative of regular_expression * regular_expression
| Repetition of regular_expression
| Bind of regular_expression * (string * location)
type ('arg,'action) entry =
{name:string ;
shortest : bool ;
args : 'arg ;
clauses : (regular_expression * 'action) list}
type lexer_definition = {
header: location;
entrypoints: ((string list, location) entry) list;
trailer: location;
refill_handler : location option;
}
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