diff options
Diffstat (limited to 'hcid/lexer.l')
-rw-r--r-- | hcid/lexer.l | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/hcid/lexer.l b/hcid/lexer.l new file mode 100644 index 00000000..a7af9c63 --- /dev/null +++ b/hcid/lexer.l @@ -0,0 +1,129 @@ +%{ +/* + BlueZ - Bluetooth protocol stack for Linux + Copyright (C) 2000-2001 Qualcomm Incorporated + + Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 as + published by the Free Software Foundation; + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. + IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY CLAIM, + OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER + RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE + USE OR PERFORMANCE OF THIS SOFTWARE. + + ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, COPYRIGHTS, + TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS SOFTWARE IS DISCLAIMED. +*/ + +/* + * $Id$ + */ + +#include <string.h> + +#include "hcid.h" +#include "kword.h" +#include "parser.h" + +static char str_buf[255]; + +#define ECHO {;} +#define YY_DECL int yylex(void) + +int cfg_error(const char *ftm, ...); +int yyerror(char *str); + +%} + +hex 0x[0-9a-zA-Z]+ +num [0-9]+ +kword [A-Za-z0-9\_\-]+ +word [A-Za-z0-9\-\_+=\!\$\#\%\&\*\^\@@\\\~\.]+ +wordnm {word}:{num} +list ({word}\,*)+ +comment \#.*\n +fname [A-Za-z0-9\_\.\-]+ +path (\/{fname})+ +string \".*\" + +%x OPTION PARAM + +%% +[ \t] { + /* Skip spaces and tabs */ + ; +} + +{comment} { + /* Skip comments */ + lineno++; +} + +\n { + lineno++; +} + +{hex} { + yylval.num = strtol(yytext, NULL, 16); + return NUM; +} + +{num} { + yylval.num = atoi(yytext); + return NUM; +} + +{kword} { + int kw = find_keyword(cfg_keyword, yytext); + if( kw != -1 ) + return kw; + + yylval.str = yytext; + return WORD; +} + +{word} { + yylval.str = yytext; + return WORD; +} + +{string} { + if(yyleng > sizeof(str_buf)-1){ + yyerror("string too long"); + return 0; + } + + strncpy(str_buf, yytext+1, yyleng-2); + str_buf[yyleng-2] = '\0'; + + yylval.str = str_buf; + return STRING; +} + +{list} { + yylval.str = yytext; + return LIST; +} + +{path} { + yylval.str = yytext; + return PATH; +} + +. { + return *yytext; +} + +%% + +int yywrap(void) +{ + return 1; +} |