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%{
#include "command_parse.h"
extern void set_buffer_string(const char *);
%}
WORD [a-z][-_a-z0-9]+
IPV4 A\.B\.C\.D
IPV4_PREFIX A\.B\.C\.D\/M
IPV6 X:X::X:X
IPV6_PREFIX X:X::X:X\/M
VARIABLE [A-Z][A-Z_]+
NUMBER [0-9]{1,20}
RANGE \({NUMBER}\-{NUMBER}\)
/* yytext shall be a pointer */
%pointer
%option noyywrap
%option nounput
%option noinput
%option outfile="command_lex.c"
%%
[ /t] /* ignore whitespace */;
{WORD} {yylval.string = strdup(yytext); return WORD;}
{IPV4} {yylval.string = strdup(yytext); return IPV4;}
{IPV4_PREFIX} {yylval.string = strdup(yytext); return IPV4_PREFIX;}
{IPV6} {yylval.string = strdup(yytext); return IPV6;}
{IPV6_PREFIX} {yylval.string = strdup(yytext); return IPV6_PREFIX;}
{VARIABLE} {yylval.string = strdup(yytext); return VARIABLE;}
{NUMBER} {yylval.integer = atoi(yytext); return NUMBER;}
{RANGE} {yylval.string = strdup(yytext); return RANGE;}
. {return yytext[0];}
%%
void
set_buffer_string(const char *string)
{
yy_scan_string(string);
}
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