demos/sgrep/a_and_b.sgrep

   1 @ rule1 @
   2 identifier fn;
   3 @@
   4
   5 fn(...) {
   6  <...
   7 \+ foo();
   8  ...>
   9 }
  10
  11 @ rule2 depends on rule1 @
  12 identifier rule1.fn;
  13 @@
  14
  15 - fn(...) {
  16 - <...
  17 -\+  bar();
  18 - ...>
  19 - }