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%option prefix="fastd_config_"
%option noyywrap
%option bison-bridge
%option reentrant
%top {
#define YY_DECL int fastd_config_lex(YYSTYPE *yylval_param, fastd_context *ctx, void *yyscanner)
#include <fastd.h>
#include <config.yy.h>
YY_DECL;
}
%x STRING
%x ADDR6
%%
[0-9]+ { yylval->num = atoi(yytext); return TOK_INTEGER; }
interface { yylval->str = yytext; return TOK_INTERFACE; }
bind { yylval->str = yytext; return TOK_BIND; }
mtu { yylval->str = yytext; return TOK_MTU; }
mode { yylval->str = yytext; return TOK_MODE; }
protocol { yylval->str = yytext; return TOK_PROTOCOL; }
peer { yylval->str = yytext; return TOK_PEER; }
address { yylval->str = yytext; return TOK_ADDRESS; }
[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3} {
if (!inet_pton(AF_INET, yytext, &yylval->addr))
exit_error(ctx, "config error: invalid address");
return TOK_ADDR;
}
any { yylval->str = yytext; return TOK_ANY; }
tap { yylval->str = yytext; return TOK_TAP; }
tun { yylval->str = yytext; return TOK_TUN; }
[A-Za-z_][A-Za-z0-9_]* { yylval->str = yytext; return TOK_IDENTIFIER; }
[;:\{\}] { return *yytext; }
[ \t\n] ;
\" BEGIN(STRING);
<STRING>[^"]* { yylval->str = yytext; return TOK_STRING; }
<STRING>\" BEGIN(INITIAL);
\[ BEGIN(ADDR6);
<ADDR6>[^\]]+ {
if (!inet_pton(AF_INET6, yytext, &yylval->addr6))
exit_error(ctx, "config error: invalid address");
return TOK_ADDR6;
}
<ADDR6>\] BEGIN(INITIAL);
<INITIAL,STRING,ADDR6>. exit_error(ctx, "config error: invalid character");
%%
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