On 11/10/2014 08:23 PM, David Roundy wrote:
All three of these are very quick and dirty scripts that are specific
to my particular scientific code. But none of them would I be very
happy implementing in lua. And in the matplotlib parser, I do indeed
use the eval function, so even though it's just a hokey regular
expression munger, it handles (some) python code in a way that would
be very much more difficult in lua.
In general, when thinking about scripting, I recommend keeping the
case of a non-trivial build in mind. And if the lua-based scripting
doesn't help much with the case of a non-trivial build, then it might
not be worth its weight.
First of all - you have the ability to use run scripts, so I'm not sure
what the problem is... There is no plan to remove that feature, so you
can use tup for your very spiecific needs.
Another thing - while using tup for very complex and non trivial
scenarios is important, I think that is should also be useful for these
simple and trivial cases, which are probably 99% of all cases tup has to
deal with... Tup's original parser is very simple, but I lacks some very
basic things, like an equivalent of make's patsubst(), or actually any
basic string processing. This is where lua fills the gap and it fills it
pretty well - it's very small and pretty simple.
Don't get me wrong, I'm not against any improvements, I just don't
really know what your problem is and what is the intention of this
thread... Everyone could find a feature of tup and prove that it lacks
features necessary for their very specific use case - take for instance
the support for tup.config files generated by kconfig tool - I'm sure
everyone could find something wrong with that easily... If your proposal
is to replace lua with python, then you should really compare tup to
SCons of WAF projects - I haven't tried them (; , but I've heard that
these are hard to use and really slow, but both are written in Python
and use it as the script language.
Regards,
FCh
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