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(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* 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 Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* $Id$ *)
(* The shallow abstract syntax *)
type location =
{ 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 }
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