On Mon, 6 Feb 2012 13:27:12 +0200 andy pugh <bodge...@gmail.com> wrote:
> On 6 February 2012 12:04, Erik Christiansen <dva...@internode.on.net> > wrote: > > Though I haven't thought that one through with a lot of caffeine in > > the veins, I'm having trouble working out how to do it. The current > > LinuxCNC dialect looks ugly, but is a powerful problem-domain > > language which provides problem-domain statements which do real > > things on the machine. Python-C-Basic-Fortran-whatever-style higher > > level flow control has been added to that, giving the best of both > > worlds. > > The G-code is converted to motion commands deep in the recesses of > LinuxCNC. What I think I am describing is an alternative interpreter > which sits in the same place in the chain as the current one, but > which accepts a different language. I am only suggesting keeping the > syntax of an existing language, not the language as such. > > So: > G95 G96 G7 > M3 S500 > G1 X100 Z50 > > Might become: > SpindleOn(mode=CSS, Speed=500) > Feed(X=100, Z=50, mode=FeedPerRev) Did this just break coordinated feed? I must say the clarity is better but you must be COBOL fans; way too verbose. G-code is terse and efficient. The other does look somewhat like functions calls. The idea of a new interp I find interesting but as a simple user it may not do much I need done. That is OK as long as I don't have to use it. That said the syntax for subroutines could use some help. I have other problems with the present interp but since I need to upgrade my mb and switch to 2.5 I will keep silent until I can test under the new system. The discussion here is good and if you grammer/parser people don't lose the rest of us in the fog ..... interesting. Dave > > The reason _not_ to convert this to G-code is that then we could have > all sorts of things that are not possible in G-code: > if (SpindleMode=CSS) uimessage "some relevant message" > That can't be converted to generic G-code because generic G-code is > bad at strings and has no mode introspection. > ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
