coccinelle/in_set.cocci

   1 /* Limit the number of expressions to 6 for performance reasons */
   2 @@
   3 expression e;
   4 /* Exclude JsonVariant * from the transformation, as it can't work with the
   5  * current version of the IN_SET macro */
   6 typedef JsonVariant;
   7 type T != JsonVariant*;
   8 constant T n0, n1, n2, n3, n4, n5;
   9 @@
  10 (
  11 - e == n0 || e == n1 || e == n2 || e == n3 || e == n4 || e == n5
  12 + IN_SET(e, n0, n1, n2, n3, n4, n5)
  13 |
  14 - e == n0 || e == n1 || e == n2 || e == n3 || e == n4
  15 + IN_SET(e, n0, n1, n2, n3, n4)
  16 |
  17 - e == n0 || e == n1 || e == n2 || e == n3
  18 + IN_SET(e, n0, n1, n2, n3)
  19 |
  20 - e == n0 || e == n1 || e == n2
  21 + IN_SET(e, n0, n1, n2)
  22 |
  23 - e == n0 || e == n1
  24 + IN_SET(e, n0, n1)
  25 )