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/*
* @LANG: c
*/
#include <stdio.h>
#define IDENT_BUFLEN 256
struct erract
{
int cs;
};
%%{
machine erract;
variable cs fsm->cs;
# The data that is to go into the fsm structure.
action hello_fails { printf("hello fails\n");}
newline = ( any | '\n' @{printf("newline\n");} )*;
hello = 'hello\n'* $lerr hello_fails @eof hello_fails;
main := newline | hello;
}%%
%% write data;
void erract_init( struct erract *fsm )
{
%% write init;
}
void erract_execute( struct erract *fsm, const char *_data, int _len )
{
const char *p = _data;
const char *pe = _data+_len;
const char *eof = pe;
%% write exec;
}
int erract_finish( struct erract *fsm )
{
if ( fsm->cs == erract_error )
return -1;
else if ( fsm->cs >= erract_first_final )
return 1;
return 0;
}
#include <stdio.h>
#include <string.h>
struct erract fsm;
void test( char *buf )
{
int len = strlen(buf);
erract_init( &fsm );
erract_execute( &fsm, buf, len );
if ( erract_finish( &fsm ) > 0 )
printf("ACCEPT\n");
else
printf("FAIL\n");
}
int main()
{
test(
"hello\n"
"hello\n"
"hello\n"
);
test(
"hello\n"
"hello\n"
"hello there\n"
);
test(
"hello\n"
"hello\n"
"he" );
test( "" );
return 0;
}
#ifdef _____OUTPUT_____
newline
newline
newline
ACCEPT
newline
newline
hello fails
newline
ACCEPT
newline
newline
hello fails
ACCEPT
ACCEPT
#endif
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