[fix][clisp][ecl]

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Daniel Kochmański

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Sep 16, 2015, 7:10:28 AM9/16/15
to webl...@googlegroups.com

Hey,

vibhu.m...@gmail.com wrote:

> weblocks-stores-20150407-git/src/store/store-utils.lisp
> has a defmethod print-object
> that appears to modify something in package 'common-lisp or 'clos, which are locked in clisp.
>
> ----
> ** - Continuable Error
> DEFMETHOD((PRINT-OBJECT NIL STANDARD-OBJECT T)):
> (#<PACKAGE CLOS> #<PACKAGE COMMON-LISP> #<PACKAGE COMMON-LISP>
> #<PACKAGE COMMON-LISP>)
> is locked
> If you continue (by typing 'continue'): Ignore the lock and proceed
> ----
>
> I don't think you're supposed to be able to modify those packages, but I could be wrong.
> at any rate,
> 1) clisp can't (start-weblocks) because of this
> 2) ecl exceeds its stack and other memory limits because of it. (even
> if you "continue", weblocks never start> s).
>
> deleting that method definition fixed both issues for me.

ECL now has a workaround. Anyways I've sent PR on github to
weblocks-stores for this.
>
> --------
> further, to get clisp to run weblocks, you also need to define #'md5:md5-string.
> one way is by using ironclad:
>
> $ LANG=en_US.UTF-8 clisp
>
> (ql:quickload 'ironclad)
> (ql:quickload 'md5)
> (defun md5:md5sum-string (s)
> (ironclad:digest-sequence :md5 (ironclad:ascii-string-to-byte-array s)))
> (ql:quickload 'weblocks)
>

I did hit it some time ago and proposed patch, that md5 fallbacks to
flexi-stream method if md5sum-string isn't implemented for some
implementation. It got accepted, so this fix isn't necessary.
> --------
> lastly, for clisp:
>
> you can't name your webapp the same as your asdf system, else weblocks
> tries to (probe-file "pub/") which is > a dir, and clisp's probe-file doesn't accept dirs.
> i.e. if your asdf system is "mywebapp", you can't (defwebapp mywebapp).
> ideally weblocks would use a portability layer over the many compliant
> but incompatible probe-file implementa> tions.
> (such as http://www.gigamonkeys.com/book/practical-a-portable-pathname-library.html)
>
> in the meantime, a workaround is to explicity set the public-files-path:
> (defwebapp mywebapp :public-files-path #p"/path/to/pub/")

Regards,
Daniel

--
Daniel Kochmański | Poznań, Poland
;; aka jackdaniel

"Be the change that you wish to see in the world." - Mahatma Gandhi

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