And the software side gets better and better. Thanks Michael.
John On 11/10/2011 10:13 AM, Michael Haberler wrote: > the fellow over at > http://www.linuxcnc.org/component/option,com_kunena/Itemid,20/func,view/catid,38/id,14365/limit,6/limitstart,6/lang,english/#14623 > came up with the following gcode (101.ngc in the attachment; non-essential > lines deleted) > > > O<101> sub (tool change sub) > > o<101> if [#5400 eq #9 and #9 ne 0] > .. > o<101> endif > > o<101> if [#5400 EQ #9 AND #5399 EQ -1] > ... > ... > o<101> endif > > o<101> if [#5400 EQ #9 and #9 ne 0 AND #5399 NE -1] > o<101> endsub > o<101> endif > > As the interpreter stands now, this isnt detected, and as long as there are > no nested block structures, it isnt necessarily an error. It will fail > miserably as soon as nested block structures are used. > > however, I propose to firm up the usage of oword labels as follows: > > 1. labels marking a while/if/repeat shall not be reused > 2. 'endwhile','break', and 'continue' require a 'while' with the same label > name and lower line number > 3. 'elsif', 'else' and ' endif' require an 'if' with the same label name and > lower line number (yes, there's an undocumented 'elsif') > 4. 'endrepeat' requires a preceding 'repeat' with same label and lower line > number > > I've done it for 'if' to detect above example label reuse. It's about 8 lines > before making it a function. > > I'll make it warning for now (with canon MESSAGE() or to stderr) and see how > it works out > > -m > ------------------------------------------------------------------------------ > RSA(R) Conference 2012 > Save $700 by Nov 18 > Register now > http://p.sf.net/sfu/rsa-sfdev2dev1 > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers ------------------------------------------------------------------------------ RSA(R) Conference 2012 Save $700 by Nov 18 Register now http://p.sf.net/sfu/rsa-sfdev2dev1 _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
