[ltk-user] why MAKE-INSTANCE not exported

Matus Kmit simply.nitaai at gmail.com
Mon Jun 27 21:08:17 UTC 2011


Sorry, i am using SBCL. My problem is solved now.

Thanks for the tip about uninterning symbols and recompilation. Matus

On Mon, Jun 27, 2011 at 12:02 PM, Ken Tilton <kentilton at gmail.com> wrote:
> On 6/27/2011 2:30 AM, Matus Kmit wrote:
>>
>> Thanks for the swift answer.
>>
>> Let me correct myself: make-instance seems to be correctly exported by
>> CL package (SBCL), but when i try to, let's say create an instance of
>> a frame object in my user-defined package the interpreter signals a
>> name colision between the FRAME symbols of LTK and my package,
>> although i never defined any symbol with that name. i am simply using:
>>
>> (make-instance 'frame :master nil ...)
>>
>> i think the error refers to this "frame* class designator.. Do i have
>> to qualify it somehow and if yes how does one do that?
>>
>> That said, i have to admit, that i am still learning how to properly
>> use lisp package system.
>
> You have not divulged which Lisp you are using. With AllegroCL, if I open a
> project and happen to open a source file or two before compiling anything,
> the ACL IDE interns symbols as it finds them, and does so in my package
> because that is the only one it sees (well, aside from the packages it ships
> with, including common lisp. But it would not know about the LTk package
> until I compiled the whole project.)
>
> Thus the solution is to start your Lisp, build your project (perhaps with
> ASDF), and then start poking around.
>
> btw, the warning you are getting probably offers a restart to "unintern
> conflicting symbols" or some such and you can use that to remove the
> conflicts, but there is a gotcha: any source compiled thinking the symbol
> was in your package still needs to be recompiled. Uninterning just cleans up
> the packages, not your FASLs.
>
> kt
>
>
>
>> Thanks for any advice,
>> Matus
>>
>>
>> On Sun, Jun 26, 2011 at 10:54 PM, Peter Herth<herth at peter-herth.de>
>>  wrote:
>>>
>>> Hi Matus,
>>>
>>> it should be exported from the common-lisp package. Which lisp are you
>>> using?
>>>
>>> Peter
>>>
>>> On Sun, Jun 26, 2011 at 10:44 PM, Matus Kmit<simply.nitaai at gmail.com>
>>>  wrote:
>>>>
>>>> Hi
>>>>
>>>> Sorry i am a newbie, but i have a question: What is the reason that
>>>> MAKE-INSTANCE is not exported from the LTK package?
>>>>
>>>> Thank you
>>>> matus
>>>>
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