blob: a346feade1bb9fabca27356b12a7ca9124cfa3b3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
; SILex - Scheme Implementation of Lex
; Copyright (C) 2001 Danny Dube'
;
; This program is free software; you can redistribute it and/or
; modify it under the terms of the GNU General Public License
; as published by the Free Software Foundation; either version 2
; of the License, or (at your option) any later version.
;
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, write to the Free Software
; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
space " "
tab " "
comment ";".*
hblank {space}|{tab}|{comment}
vblank "\n"
digit [0123456789]
letter [abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]
specini "!"|"$"|"%"|"&"|"*"|"/"|":"|"<"|"="|">"|"?"|"~"|"_"|"^"
specsub "."|"+"|"-"
initial {letter}|{specini}
subseq {letter}|{digit}|{specini}|{specsub}
peculid "+"|"-"|"..."
id {initial}{subseq}*|{peculid}
%%
{hblank} (make-tok hblank-tok yytext yyline yycolumn)
{vblank} (make-tok vblank-tok yytext yyline yycolumn)
"%%" (make-tok percent-percent-tok yytext yyline yycolumn)
{id} (parse-id yytext yyline yycolumn)
[^] (make-tok illegal-tok yytext yyline yycolumn)
<<EOF>> (make-tok eof-tok yytext yyline yycolumn)
|
