Re:g-code parsers

Jon,

Hay, it's all numbers! Right on! I can parse "G+0001.0000" just fine!
Although I like it *pretty*, "N0010 G01 Y -1.0000". And I even try to
line up the columns in long sets of move blocks! White space is cheap!

Alan KM6VV


Jon Elson wrote:

>
> Les Watts wrote:
>
> > Wow what quick responses!
> >
> > Terry, all I have is a book with the rs274-d standards. And yes
> > quite a bit of variation is encountered. I guess one advantage of writing my
> > own is that it would be easier to match a dialect later if needed.
> >
> > Andy, I took a look at emc's parser and although I don't follow all of c++
> > it does look good. Very good references to rs274 as well.
> >
> > Allan, I had looked at sscanf() in my borland compiler stuff but it was not
> > very well documented. It seems that it might be particularly suited to the
> > task as I don't expect fixed fields- G01 for example could be written as g1
> > as I read the standard.
>
> As far as I know, it can also be expressed as G+0001.0000 and still be acceptable
> to some systems. I'm sure others will reject that, however. I've even seen a few
> examples that had things like M05.25 which meant something specific.
> Ugh!
>
> Jon