Initial revision

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;
+}