More gotos...

[D'Arcy Cain]

In article <10353 at phoenix.Princeton.EDU> tbrakitz at phoenix.Princeton.EDU (Byron Rakitzis) writes:
>I came across what I thought was a good application for a goto:
>token_grabbing_function()
> {
>
> get_a_token:
>
>   while (is_white_space(c = getchar()); /* skip it */
>
>   /* So, c contains a non-whitespace character */
>
>   if (c == comment_delimiter)
>    { 
>    while (c = getchar() != other_comment_delimiter); /* skip it */
>    goto get_a_token;
>    }
>   else
>    {
>    deal_with_the_token_properly_and_return;
>    }
> }
>
>Can anyone see a goto-less version which is as concise?

OK how about;

token_grabbing_function()
{
  for (;;)
  {
    while (is_white_space(c = getchar()); /* skip it */

    /* So, c contains a non-whitespace character */

    if (c == comment_delimiter)
      while (c = getchar() != other_comment_delimiter); /* skip it */
    else
    {
      deal_with_the_token_properly_and_return;
    }
  }
}

D'Arcy J.M. Cain
(darcy at bbm, darcy at cain)