Test change - can I push OK?
[kdeedu-porting.git] / kalzium / src / solver / lexer.mll
bloba6a4ab49e15358d04dfaf84ca8b56cd427ed3514
1 (***************************************************************************
2  *   Copyright (C) 2004 by Thomas Nagy                                     *
3  *   tnagy2^8@yahoo.fr                                                     *
4  *                                                                         *
5  *   This program is free software; you can redistribute it and/or modify  *
6  *   it under the terms of the GNU General Public License as published by  *
7  *   the Free Software Foundation; either version 2 of the License, or     *
8  *   (at your option) any later version.                                   *
9  *                                                                         *
10  *   This program is distributed in the hope that it will be useful,       *
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
15  *   You should have received a copy of the GNU General Public License     *
16  *   along with this program; if not, write to the                         *
17  *   Free Software Foundation, Inc.,                                       *
18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.             *
19  ***************************************************************************)
21 (* File lexer.mll*)
23         open Parser;;
24         exception IllegalChar
27 rule token = parse
28 [' ' '\t' '\n']   {token lexbuf} (* ignore whitespaces *)
29 | ['0'-'9']+      { INT(int_of_string(Lexing.lexeme lexbuf)) }
30 | ['A'-'Z']       { CAPITAL(Lexing.lexeme lexbuf) }
31 | ['a'-'z']+      { MINOR(Lexing.lexeme lexbuf) }
32 | '+'             { PLUS }
33 | '-'             { MINUS }
34 | '('             { LPAREN }
35 | ')'             { RPAREN }
36 | '['             { LBRACKET }
37 | ']'             { RBRACKET }
38 | "->"            { ARROW }
39 | _               { raise IllegalChar; }
40 | eof             { EOF }