wearable/tools/lexer.l

   1 %{
   2 /*
   3  *
   4  *  BlueZ - Bluetooth protocol stack for Linux
   5  *
   6  *  Copyright (C) 2002-2010  Marcel Holtmann <marcel@holtmann.org>
   7  *
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  22  *
  23  */
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 /* Nasty workaround, but flex defines isatty() twice */
  30 #define _UNISTD_H
  31
  32 #include <stdio.h>
  33 #include <errno.h>
  34 #include <sys/socket.h>
  35
  36 #include <bluetooth/bluetooth.h>
  37 #include <bluetooth/rfcomm.h>
  38
  39 #include "kword.h"
  40 #include "parser.h"
  41
  42 int yylex(void);
  43
  44 #define YY_NO_INPUT
  45
  46 #define ECHO {;}
  47 #define YY_DECL int yylex(void)
  48
  49 int yyerror(char *str);
  50
  51 %}
  52
  53 %option nounput
  54
  55 space           [ \t]
  56 linebreak       \n
  57 comment         \#.*\n
  58 keyword         [A-Za-z0-9\_\-]+
  59
  60 number          [0-9]+
  61 string          \".*\"
  62 bdaddr          [A-Za-z0-9]{2}:[A-Za-z0-9]{2}:[A-Za-z0-9]{2}:[A-Za-z0-9]{2}:[A-Za-z0-9]{2}:[A-Za-z0-9]{2}
  63
  64 %%
  65
  66 {space}         {
  67                         /* Skip spaces and tabs */
  68                         ;
  69                 }
  70
  71 {comment}       {
  72                         /* Skip comments */
  73                         lineno++;
  74                 }
  75
  76 {number}        {
  77                         yylval.number = atoi(yytext);
  78                         return NUMBER;
  79                 }
  80
  81 {string}        {
  82                         yylval.string = yytext;
  83                         return STRING;
  84                 }
  85
  86 {bdaddr}        {
  87                         bdaddr_t *ba = malloc(sizeof(bdaddr_t));
  88                         str2ba(yytext, ba);
  89                         yylval.bdaddr = ba;
  90                         return BDADDR;
  91                 }
  92
  93 {keyword}       {
  94                         int keyword = rfcomm_find_keyword(rfcomm_keyword, yytext);
  95                         if (keyword != -1)
  96                                 return keyword;
  97
  98                         if (strncmp(yytext, "rfcomm", 6) == 0) {
  99                                 yylval.number = atoi(yytext + 6);
 100                                 return RFCOMM;
 101                         }
 102
 103                         yylval.string = yytext;
 104                         return WORD;
 105                 }
 106
 107 {linebreak}     {
 108                         lineno++;
 109                 }
 110
 111 .               {
 112                         return *yytext;
 113                 }
 114
 115 %%
 116
 117 int yywrap(void)
 118 {
 119         return 1;
 120 }