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/*
* @LANG: c
*/
#include <stdio.h>
#include <string.h>
struct forder
{
int cs;
};
%%{
machine forder;
variable cs fsm->cs;
m1 = ( "" %{printf("enter m1 aa\n");} |
'aa'* >{printf("enter m1 aa\n");} %{printf("leave m1 aa\n");} )
'b' @{printf("through m1 b\n");} . 'b'* . 'a'*;
m2 = 'bbb'* 'aa'*;
main := (
m1 %{printf("accept m1\n");} |
"" %{printf("enter m2\n");} |
m2 >{printf("enter m2\n");} %{printf("accept m2\n");}
) . '\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( "aaaaaabbbaa\n" );
test( "\n" );
test( "bbbbbbaaaaaaa\n" );
test( "bbbbbbaaaaaa\n" );
test( "aaaaa\n" );
return 0;
}
#ifdef _____OUTPUT_____
enter m1 aa
enter m2
leave m1 aa
through m1 b
accept m1
ACCEPT
enter m2
enter m2
accept m2
ACCEPT
enter m1 aa
enter m1 aa
leave m1 aa
through m1 b
enter m2
accept m1
ACCEPT
enter m1 aa
enter m1 aa
leave m1 aa
through m1 b
enter m2
accept m1
accept m2
ACCEPT
enter m1 aa
enter m2
FAIL
#endif
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