On 10/20/06, Giovanni Bajo <rasky@develer.com> wrote:
> Garrett Rooney wrote:
>
> > The real kicker though, and the reason that Lua is in my opinion a
> > more practical solution than doing the same sort of thing in a
> > language like Perl or Ruby or Python is that Lua is tiny. The entire
> > lua5.1 interpreter on my Ubuntu machine is 124k.
>
> I don't get this. You're suggesting a non-mainstream under-supported
> second-class higher level language, just because the interpeter has a lower
> footprint than, say, Python? I don't remember anyone being concerned with
> Mercurial's memory occupation, or svk's.
It's not memory footprint I'm worrying about, it's dependencies. It's
practical to just bundle Lua with the system, it's not so reasonable
for Perl or Python or Ruby.
> I sincerely believe that choosing anything which is not Perl or Python is
> going to just go against us, in that people are not going to learn a
> language just to contribute to Subversion. It is already hard enough to get
> external contribution if you use a first-class language.
That is certainly something to worry about.
> > The actual Lua 5.1
> > codebase is just under 17000 lines of code, and is written in pure C89
> > (with the exception of some platform specific code for dlopen type
> > stuff, but it's already at least as portable as APR is, so no worries
> > there). It's also built for doing this sort of thing, calling C and
> > being called from it, which means it's far more practical to do things
> > like that in Lua than it is to do similar things in the other popular
> > scripting languages.
>
> Would you elaborate on why the svn command line client should support a C
> interface? I understand that we want to go higher-level for the svn* command
> line utils, but why should they expose an interface for being called from C
> applications?
I'm not advocating a C API for calling into the actual command line
code, just for calling into the kind of thing we put into
libsvn_client, which is theoretically client agnostic.
-garrett
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Received on Fri Oct 20 17:16:24 2006