static void ctxProcessAction(S body) {
  ctxProcessAction(javaTok(body));
}

static void ctxProcessAction(L<S> tok) {
  while (ctxProcessIf(tok)) {}
  if (l(tok) <= 1) ret;
  
  // find end of statement
  int j = indexOf(tok, ";");
  j = j < 0 ? l(tok)-1 : j+1;
  
  L<S> rest = newSubList(tok, j);
  tok = newSubList(tok, 0, j+1);
  
  ctxProcessStatement(tok);
  ctxProcessAction(rest);
}