The Tech Help You Need

[Mario. <emefbee-Re5JQEeQqe8AvxtiuMwx3w@xxxxxxxxxxxxxxxx>]

The wiki link to your file is:

upload:extension.emc

not sure what the actual link is :D

On 12/31/06, Paul Fox <pgf-YqHaedqsyMbgnLo7xJiJXVwrdKVBSruJ@xxxxxxxxxxxxxxxx> 
wrote:
> kenneth wrote:
>  >
>  > Please see:
>  >
>  > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?AlternativeNamedParameterSyntax
>  ...
>  > 2 -- All those '$' characters are confusing (see flowsnake.ngc in nc_files
>  > in HEAD for the example).
>  ...
>  > 2 -- I took part of this comment to mean that the '$' characters are ugly.
>  > Because they are so blocky, they catch the eye and make the code harder to
>  > read (for a human). I had originally wanted to use [] characters, but
>  > (someone else) noticed that #[sqrt[#1]] is legal syntax. That would have
>  > required more lookahead in the parser than is currently supported. The
>  > alternative uses <>, instead.
>
> i'm not terribly familiar with the g-code language, and so i'm
> not sure about the parsing constraints.  but having looked at the
> flowsnake example:  would it be possible to make the bracketing
> characters optional, only requiring them in the cases where
> they're needed for disambiguation?  i realize this makes the
> parser more complicated, but it would clearly clean up the syntax
> quite a bit if it could be done.
>
> (for a familiar example where this kind of dual-syntax paradigm
> works well, consider the bourne shell, where $a and ${a} are
> identical semantically, but not syntacticaly.)
>
> paul
> =---------------------
>  paul fox, pgf-YqHaedqsyMbgnLo7xJiJXVwrdKVBSruJ@xxxxxxxxxxxxxxxx (arlington, 
> ma, where it's 28.0 degrees)
>
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