Function block_follow

3rd/lua-5.4.3/src/lparser.c:776–784

** check whether current token is in the follow set of a block. ** 'until' closes syntactical blocks, but do not close scope, ** so it is handled in separate. */

** so it is handled in separate.
*/
static int block_follow (LexState *ls, int withuntil) {
  switch (ls->t.token) {
    case TK_ELSE: case TK_ELSEIF:
    case TK_END: case TK_EOS:
      return 1;
    case TK_UNTIL: return withuntil;
    default: return 0;
  }
}


static void statlist (LexState *ls) {