rdnzl-announce November 2009

rdnzl-announce@common-lisp.net

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[rdnzl-announce] New release 0.13.0 (Was: [rdnzl-devel] LoadWithPartialName vs Load)
by Edi Weitz 12 Nov '09

12 Nov '09

Thanks Raymond, I've just made a new release. I made a few cosmetic changes, so please check if I didn't break anything. On Tue, Nov 10, 2009 at 11:55 AM, Raymond Wiker <rwiker(a)gmail.com> wrote: > I've had a little startup trouble with RDNZL, but this is mainly due to my > lack of familiarity with .NET. The use of Load instead of > LoadWithPartialName will most likely not be noticed by most people, but will > provide (IMO) more helpful behaviour in case of errors. It can also be > extended, at some later point, to use fully-qualified assembly names. > > The enclosed patch includes the trivial change to load-assembly, as well as > a new macro called do-rdnzl-container. do-rdnzl-container does for general > enumerable collections what do-rdnzl-arrays does for arrays. > > Thank you for making rdnzl available! > > > > > On Nov 9, 2009, at 22:16 , Edi Weitz wrote: > >> Hi Raymond, >> >> I have to admit that I rarely, if ever, used RDNZL myself. I started >> writing it for fun and only finished it because I gave a talk about >> it. At that time I was ambitious enough to bring it into a usable >> state, but as I didn't have any serious projects relying on it, I >> didn't keep track with .NET development and I'm sure it's out of tune >> now. >> >> If you have changes to make RDNZL better, I'm happy to accept patches, >> but I won't be able to test or evaluate them due to lack of time. >> I'll simply pack them into a new release if they follow the usual >> patch guidelines: >> >> http://weitz.de/patches.html >> >> Thanks, >> Edi. >> >> >> On Mon, Nov 9, 2009 at 9:36 AM, Raymond Wiker <rwiker(a)gmail.com> wrote: >>> >>> Hi, >>> I'm trying to use rdnzl to interface with certain .NET libraries. >>> These libraries have a callback mechanism that requires me to subclass >>> a C# class (or implement a C# interface) with two specific methods. I >>> haven't seen any mention that RDNZL can be used to subclass C# classes >>> (which I guess would be non-trivial to do), so I'm guessing that I >>> need to write a C# wrapper class for interfacing with Lisp. >>> >>> I'm having certain problems with this, probably caused by some .NET >>> details that I haven't (yet) understood. As part of unravelling this, >>> I've discovered that import-assembly calls load-assembly and that a >>> failure in load-assembly will cause a null assembly to be returned, >>> from which import-assembly will import exactly zero items. In other >>> words, any errors from load-assembly will not be signalled until >>> later. >>> >>> The MS documentation states that LoadWithPartialName (as used by >>> load-assembly) is an obsolete call, and that that >>> System.Reflection.Assembly.Load() should be used instead. Load() can >>> even be used with partial names, like this: >>> >>> (defun load-assembly-2 (name) >>> (let ((fullname (new "System.Reflection.AssemblyName"))) >>> (setf [%Name fullname] name) >>> [System.Reflection.Assembly.Load fullname])) >>> >>> I've just tried this, and load-assembly-2 gives an exception which is >>> transferred perfectly through RDNZL in cases where load-assembly >>> returns null. >>> >>> Regards, >>> Raymond Wiker >>> >>> _______________________________________________ >>> rdnzl-devel mailing list >>> rdnzl-devel(a)common-lisp.net >>> http://common-lisp.net/cgi-bin/mailman/listinfo/rdnzl-devel >>> >>> >> >> _______________________________________________ >> rdnzl-devel mailing list >> rdnzl-devel(a)common-lisp.net >> http://common-lisp.net/cgi-bin/mailman/listinfo/rdnzl-devel > > >

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rdnzl-announce November 2009