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From: Zach Beane on 24 May 2010 14:13
pjb(a)informatimago.com (Pascal J. Bourguignon) writes:

> Zach Beane <xach(a)xach.com> writes:
>
>> D Herring <dherring(a)at.tentpost.dot.com> writes:
>>
>>> On 05/23/2010 05:38 AM, Bastien Dejean wrote:
>>>> I'm trying to use the pprint function as a code beautifier.
>>>> Here's my first draft :
>>>>
>>>> #!/opt/local/bin/sbcl --script
>>>>
>>>> (let ((*print-case* :downcase))
>>>> (do ((c (read nil nil nil) (read nil nil nil)))
>>>> ((null c))
>>>> (pprint c)
>>>> (terpri)))
>>>>
>>>> Meant usage : cat foo.lisp | cltidy.
>>>> Unfortunately, comments are ignored…
>>>
>>> Yes, that will happen. Unfortunately, the standard reader cannot
>>> return forms with annotations like comments.
>>
>> Comments aren't too big an issue, since you can just make a readtable
>> that does something different with ; and #|. Package prefixes would be a
>> bigger issue, since the behavior of : and :: in symbols can't be
>> customized in a standard way.
>
> Funny, I don't remember having used anything out of pure standard
> Common Lisp to implement my reader, and with it, the behavior of : and
> :: in symbols can be perfectly well customized.

That's cheating, of course! I was talking about *the* CL reader, not *a*
CL reader.

Zach
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