postmodern-devel April 2011

postmodern-devel@common-lisp.net

3 participants
3 discussions

[postmodern-devel] patch to make postmodern compile
by Nicolas Martyanoff 25 Apr '11

25 Apr '11

The last git version of postmodern doesn't compile on SBCL 1.0.47 because there are declaration order issues in postmodern/table.lisp. The following patch fixes these problems: Best regards, -- Nicolas Martyanoff http://codemore.org khaelin(a)gmail.com

3 4

[postmodern-devel] patch for array slicing
by Nicolas Martyanoff 25 Apr '11

25 Apr '11

Hi, I wrote a tiny patch to add support for array slicing: So now: (:[] #(1 2 4 8) 3) → "(ARRAY[1,2,4,8])[3]" (:[] #(1 2 4 8) 2 4) → "(ARRAY[1,2,4,8])[2:4]" I hope you will find it useful. Best regards, -- Nicolas Martyanoff http://codemore.org khaelin(a)gmail.com

2 1

[postmodern-devel] bug in the array interpreter
by Nicolas Martyanoff 25 Apr '11

25 Apr '11

I think I found a pretty nasty bug; the array parser loop foreven on empty arrays, eating all the RAM it can. Triggering it is really simple, just select an empty array. The effect is directly visible with: (funcall (cl-postgres::read-array-value #'parse-integer) "{}") I think there's something wrong in the following sexp in READ-ARRAY-VALUE: (loop :for x := arr :then (car x) :while (listp x) :collect (length x)) If ARR is nil, it loops forever since both (listp nil) and (car nil) yield t. I'm not sure I understand how the code works for multi-dimensional arrays, so I'd prefer not to break something trying a fix; would you mind fix it ? Thank you. Best regards, -- Nicolas Martyanoff http://codemore.org khaelin(a)gmail.com

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postmodern-devel April 2011