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authorMax Krasnyansky <maxk@qualcomm.com>2002-03-08 21:12:35 +0000
committerMax Krasnyansky <maxk@qualcomm.com>2002-03-08 21:12:35 +0000
commitc98b2f82a4e532ca61592b08e3ad60749eb9f8d7 (patch)
tree19a3df72d2cd6a8d64b7d98473261c7e07e306a0 /hcid/lexer.l
Initial revision
Diffstat (limited to 'hcid/lexer.l')
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diff --git a/hcid/lexer.l b/hcid/lexer.l
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+%{
+/*
+ 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;
+}