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%{
/*
* Copyright (c) 2003
* Bill Paul <wpaul@windriver.com>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <regex.h>
#include <ctype.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "y.tab.h"
int lineno = 1;
int yylex(void);
void yyerror(const char *);
static void
update_lineno(const char *cp)
{
while (*cp)
if (*cp++ == '\n')
lineno++;
}
%}
%option nounput
%option noinput
%%
[ \t]+ ;
\n { lineno++; return EOL; }
\r ;
;.*$ ;
\/\/.*$ ;
= { return EQUALS; }
, { return COMMA; }
\"(\\\"|[^"]|\"\")*\" {
int len = strlen(yytext) - 2;
int blen = len + 1;
char *walker;
int i;
update_lineno(yytext);
yylval.str = (char *)malloc(blen);
if (yylval.str == NULL)
goto out;
walker = yylval.str;
for (i = 1; i <= len; i++) {
if (yytext[i] == '\"') {
switch (yytext[i + 1]) {
case '\"':
i++;
break;
default:
break;
}
}
if (yytext[i] == '\\') {
switch (yytext[i + 1]) {
case '\n':
i += 2;
while(isspace(yytext[i]))
i++;
break;
case '\"':
i++;
break;
case '(':
i++;
break;
default:
break;
}
}
*walker++ = yytext[i];
}
*walker++ = '\0';
out:;
return STRING;
}
\[[a-zA-Z0-9%&\{\}\-\.\/_\\\*\ ]+\] {
int len = strlen(yytext);
yytext[len-1] = '\0';
yylval.str = strdup(yytext+1);
return SECTION;
}
[a-zA-Z0-9%&\{\}\-\.\/_\\\*]+ {
yylval.str = strdup(yytext);
return WORD;
}
%%
void
yyerror(const char *s)
{
errx(1, "line %d: %s%s %s.", lineno, yytext, yytext?":":"", s);
}
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