blob: 43e6214a66292fec8179fc7f686c284031e78076 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
* @LANG: c
*/
#include <stdio.h>
#include <string.h>
struct range
{
int cs;
};
%%{
machine range;
variable cs fsm->cs;
main := ( 'a' .. 'c' | 'c' .. 'e' | 'm' .. 'n' | 'a' .. 'z' ) '\n';
}%%
%% write data;
void range_init( struct range *fsm )
{
%% write init;
}
void range_execute( struct range *fsm, const char *_data, int _len )
{
const char *p = _data;
const char *pe = _data+_len;
%% write exec;
}
int range_finish( struct range *fsm )
{
if ( fsm->cs == range_error )
return -1;
if ( fsm->cs >= range_first_final )
return 1;
return 0;
}
struct range fsm;
void test( char *buf )
{
int len = strlen( buf );
range_init( &fsm );
range_execute( &fsm, buf, len );
if ( range_finish( &fsm ) > 0 )
printf("ACCEPT\n");
else
printf("FAIL\n");
}
int main()
{
test( "a\n" );
test( "z\n" );
test( "g\n" );
test( "no\n" );
test( "1\n" );
return 0;
}
#ifdef _____OUTPUT_____
ACCEPT
ACCEPT
ACCEPT
FAIL
FAIL
#endif
|
