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
|
typedef /*@numabstract@*/ int apples;
typedef /*@numabstract@*/ int oranges;
/*@noaccess apples@*/
/*@noaccess oranges@*/
int adding (apples a, oranges o)
{
int i;
apples a2;
a++; /* Okay */
a2 = 13; /* error (unless +numabstractlit) ? */
a2 = 'a'; /* error */
i = 'c'; /* error */
a2 = (apples) 13; /* warning if +numabstractcast */
a2 = a + 5; /* okay */
a2 = o; /* error */
a2 = a2 - a; /* okay */
i = o; /* error */
i = a2 + a; /* error */
return a + o; /* error */
}
int comparing (apples a, oranges o, apples a2)
{
if (a < 3) { /* error unless +numabstractlit */
return 3;
}
if (a < o) { /* error */
return 5;
}
if (a == o) { /* error */
return 6;
}
if (a == a2) { /* okay */
return 23;
}
--a2;
if (a >= a2) {
return 523;
}
return 7;
}
|
