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/*
* @LANG: c
*/
#include <stdio.h>
#include <string.h>
struct forder
{
int cs;
};
%%{
machine forder;
variable cs fsm->cs;
second = 'b'
>{printf("enter b1\n");}
>{printf("enter b2\n");}
;
first = 'a'
%{printf("leave a\n");}
@{printf("finish a\n");}
;
main := first . second . '\n';
}%%
%% write data;
void forder_init( struct forder *fsm )
{
%% write init;
}
void forder_execute( struct forder *fsm, const char *_data, int _len )
{
const char *p = _data;
const char *pe = _data+_len;
%% write exec;
}
int forder_finish( struct forder *fsm )
{
if ( fsm->cs == forder_error )
return -1;
if ( fsm->cs >= forder_first_final )
return 1;
return 0;
}
struct forder fsm;
void test( char *buf )
{
int len = strlen(buf);
forder_init( &fsm );
forder_execute( &fsm, buf, len );
if ( forder_finish( &fsm ) > 0 )
printf("ACCEPT\n");
else
printf("FAIL\n");
}
int main()
{
test( "ab\n");
test( "abx\n");
test( "" );
test(
"ab\n"
"fail after newline\n"
);
return 0;
}
#ifdef _____OUTPUT_____
finish a
leave a
enter b1
enter b2
ACCEPT
finish a
leave a
enter b1
enter b2
FAIL
FAIL
finish a
leave a
enter b1
enter b2
FAIL
#endif
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