From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,1517370e39ffff64 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-12-07 08:15:47 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!transit.news.xs4all.nl!not-for-mail From: "Rob Veenker" Newsgroups: comp.lang.ada Subject: Re: JGNAT users Date: Fri, 7 Dec 2001 17:15:46 +0100 Organization: XS4ALL Internet BV Message-ID: <9uqpvi$t2o$1@news1.xs4all.nl> References: <9uq9v5$j87$1@newshost.mot.com> <3C10AB00.74E4DB85@earthlink.net> NNTP-Posting-Host: s340-modem1072.dial.xs4all.nl X-Trace: news1.xs4all.nl 1007741746 29784 194.109.164.48 (7 Dec 2001 16:15:46 GMT) X-Complaints-To: abuse@xs4all.nl NNTP-Posting-Date: 7 Dec 2001 16:15:46 GMT X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Xref: archiver1.google.com comp.lang.ada:17572 Date: 2001-12-07T16:15:46+00:00 List-Id: "Marc A. Criley" wrote in message news:3C10AB00.74E4DB85@earthlink.net... > Torben Hoffmann wrote: > > > > Hi. > > > > I was wondering if anyone is actually using JGNAT and, if so, if they have > > made a web-page or some other documentation of their deeds. > > > > I am contemplating using JGNAT instead of Java since I am less than > > satisfied with the software engineering level in Java compared to Ada - > > especially maintainability and the ability to return to some code after a > > while and actually "get into to" fast are important issues for me. > I am using the supported version of JGNAT in order to be able to reuse code that should run on Windows NT and on a PDA running a JVM. I have implemented a communications application that connects ruggedised PDA's to our main application. By using JGNAT I only needed to change a few Ada package bodies specific to the JVM environment :-) Nearly all of the problems I found are fixed already in the wavefront version. My compliments to the ACT people ! > I used JGNAT 1.1p quite heavily for awhile to build the client, > GUI-oriented portion of an application. While the effort was > successful--it runs and works well--I did have to work around some > problems and idiosyncracies of JGNAT. > > Mind you, I did not have problems with approach taken by JGNAT to > implement things like interfaces and inheriting from Java classes, but I > did have some problems with the compiler. A few months ago in this > newsgroup I characterized JGNAT 1.1p as almost, but not quite, > production quality. There were certain constructs that JGNAT did not > handle well, such as (as I recall from last spring) functions returning > unconstrained arrays. > > There was nothing show-stopping, but you did have to code around such > situations. I was hoping that there would be a new public release > addressing these problems (I did submit several error reports to ACT), > but nothing has turned up yet. (And for a one-person effort, commercial > support isn't an option.) > > My take on using JGNAT is that if it's something relatively small, or if > you're willing to be a technology explorer, go ahead with it. > I can't comment on the public version of JGNAT, but I don't feel the supported version is that restrictive ;-) I assume this technology will also become available in the public version. > Aonix also has an Ada-to-JBC compiler, but I have no experience, or > knowledge of other's experience, with it. > > Marc A. Criley > Senior Staff Engineer > Quadrus Corporation > www.quadruscorp.com Rob Veenker Dutch Ministry of Defense RNLA/DMKL/C3I/C2 Support Centre