[racket-dev] [plt] Push #20578: master branch updated

Yes, I agree. There are lots of these symbol-property based things.
(Perhaps there should be some different syntax-friendly way to set
these up?) drracket's tool language has one or two such things too.

Robby

On Sat, Jun 26, 2010 at 7:05 PM, Jay McCarthy <jay.mccarthy at gmail.com> wrote:
> It would be nice to be able to create something searchable or perhaps
> a central index of things that can go in the lang-info. (Similar for
> things that can go in info files, struct properties, etc.)
>
> Jay
>
> On Sat, Jun 26, 2010 at 6:04 PM, Jay McCarthy <jay.mccarthy at gmail.com> wrote:
>> You are right. I used it and it works. Nice!
>>
>> Jay
>>
>> On Sat, Jun 26, 2010 at 4:58 PM, Robby Findler
>> <robby at eecs.northwestern.edu> wrote:
>>> It should be set by the 'configure-runtime thunk (from
>>> module->language-info), right?
>>>
>>> (I'm not sure about the bug, tho.)
>>>
>>> Robby
>>>
>>> On Sat, Jun 26, 2010 at 8:47 AM, Jay McCarthy <jay.mccarthy at gmail.com> wrote:
>>>> Just using the core of even-read didn't work. It would start to read
>>>> after parse-statement had returned and then my parser would just sit
>>>> there because the port wasn't returning EOF. I think it is a bug.
>>>>
>>>> Jay
>>>>
>>>> On Fri, Jun 25, 2010 at 10:44 PM, Eli Barzilay <eli at barzilay.org> wrote:
>>>>> On Jun 26, jay at racket-lang.org wrote:
>>>>>> +  ; XXX This is almost certainly wrong.
>>>>>> +  (define (even-read src ip)
>>>>>> +    (begin0
>>>>>> +      (parameterize ([current-source-name src])
>>>>>> +       (datum->syntax #f (parse-statement ip)))
>>>>>> +      (current-read-interaction odd-read)))
>>>>>> +  (define (odd-read src ip)
>>>>>> +    (current-read-interaction even-read)
>>>>>> +    eof)
>>>>>> +
>>>>>> +  (current-read-interaction
>>>>>> +   even-read))
>>>>>
>>>>> This is not just wrong -- it is likely to break things randomly.
>>>>> Something like -- if you happen to invoke the datalog reader
>>>>> indirectly (like just `read' a file in the language), you'd end up
>>>>> with one of these readers as a side-effect.  This is exactly how the
>>>>> scribble/text language messed things up in a very confusing way: by
>>>>> banging `current-print' to do its own thing.
>>>>>
>>>>> --
>>>>>          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
>>>>>                    http://barzilay.org/                   Maze is Life!
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Jay McCarthy <jay at cs.byu.edu>
>>>> Assistant Professor / Brigham Young University
>>>> http://teammccarthy.org/jay
>>>>
>>>> "The glory of God is Intelligence" - D&C 93
>>>> _________________________________________________
>>>>  For list-related administrative tasks:
>>>>  http://lists.racket-lang.org/listinfo/dev
>>>
>>
>>
>>
>> --
>> Jay McCarthy <jay at cs.byu.edu>
>> Assistant Professor / Brigham Young University
>> http://teammccarthy.org/jay
>>
>> "The glory of God is Intelligence" - D&C 93
>>
>
>
>
> --
> Jay McCarthy <jay at cs.byu.edu>
> Assistant Professor / Brigham Young University
> http://teammccarthy.org/jay
>
> "The glory of God is Intelligence" - D&C 93
>