(***********************************************************************)
(*                                                                     *)
(*                           Objective Caml                            *)
(*                                                                     *)
(*               Pierre Weis, projet Cristal, INRIA Rocquencourt       *)
(*                                                                     *)
(*  Copyright 2001 Institut National de Recherche en Informatique et   *)
(*  en Automatique.  All rights reserved.  This file is distributed    *)
(*  only by permission.                                                *)
(*                                                                     *)
(***********************************************************************)

{
open Parser;;        (* The type token is defined in parser.mli *)
exception Eof;;
}
rule token = parse
  | [' ' '\t']     { token lexbuf } (* Skip blanks *)
  | ['\n' ]        { EOL }
  | ['0'-'9']+     { INT (int_of_string (Lexing.lexeme lexbuf)) }
  | '+'            { PLUS }
  | '-'            { MINUS }
  | '*'            { TIMES }
  | '/'            { DIV }
  | '('            { LPAREN }
  | ')'            { RPAREN }
  | eof            { raise Eof }