// Return value is C token
static int tok_findBeginningOfStatement(L<S> tok, int i) {
  i |= 1;
  int level = 0;
  
  while (i > 1) {
    S t = get(tok, i);
    if (eqOneOf(t, "{", "(")) { if (level-- < 0) break; }
    else if (eqOneOf(t, "}", ")")) level++;
    else if (level == 0 && eqGetOneOf(tok, i-2, "}", "{", ";"))
      break;
    i -= 2;
  }
  
  ret i;
}

Began life as a copy of #1017567