Date: Wed, 24 Sep 2014 22:19:05 -0300 From: Pedro Arthur <bygrandao@gmail.com> To: Pedro Giffuni <pfg@freebsd.org> Cc: "Wojciech A. Koszek" <wkoszek@freebsd.org>, "<freebsd-hackers@freebsd.org>" <freebsd-hackers@freebsd.org>, "<dteske@FreeBSD.org>" <dteske@freebsd.org>, Jordan Hubbard <jkh@ixsystems.com>, Rui Paulo <rpaulo@felyko.com> Subject: Re: Lua in the bootloader Message-ID: <CAKN1MR7pnABzezs=oUCEpqs3XHN2KXi=U-RydQpSQyXdFw1mfQ@mail.gmail.com> In-Reply-To: <53FBC329.6020107@freebsd.org> References: <3D62F4F4-ECCF-4622-BB57-D028160F3451@freebsd.org> <157901cfbe83$6cbf18d0$463d4a70$@FreeBSD.org> <A87AA9EB-373F-400E-986E-4D9017EB2375@freebsd.org> <16e101cfbfee$42b3b930$c81b2b90$@FreeBSD.org> <5FE57E4E-A627-4ABA-AB73-F0D60A3602D5@ixsystems.com> <236878C4-2C3E-4744-A04B-736C91032BFC@felyko.com> <96E32478-5450-4A35-B68A-4791668AA701@ixsystems.com> <53FBC329.6020107@freebsd.org>
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Hi, I've done some updates about the issues (1,2, 4, 6, 8) reviewed. I would like you to review these changes, following is my wiki page updated and the files changed. wiki <https://wiki.freebsd.org/SummerOfCode2014/LuaLoader#New_milestones>; head/sys/boot/lua/core.lua <https://socsvn.freebsd.org/socsvn/soc2014/pedrosouza/lua_loader/head/sys/b= oot/lua/core.lua> head/sys/boot/lua/menu.lua <https://socsvn.freebsd.org/socsvn/soc2014/pedrosouza/lua_loader/head/sys/b= oot/lua/menu.lua> head/sys/boot/lua/screen.lua <https://socsvn.freebsd.org/socsvn/soc2014/pedrosouza/lua_loader/head/sys/b= oot/lua/screen.lua> Thanks, Pedro. 2014-08-25 20:13 GMT-03:00 Pedro Giffuni <pfg@freebsd.org>: > > On 08/25/14 01:27, Jordan Hubbard wrote: > >> ... >> >>> The limitation of the dictionary and the size of the stack isn't the >>> main reason why I would prefer lua over forth. Why do we need to subje= ct >>> ourselves to a stack based language in 2014? The very limited number o= f >>> people hacking on the Forth boot loader on FreeBSD might have a differe= nt >>> opinion, but the language is so arcane that I fail to see why we should= n't >>> replace it. >>> >> Again, no disagreement, though I do wonder how many Lua programmers >> FreeBSD has that will be able to hit the ground running as a result of t= his >> evolution. Anyone? Raise your hands! I can=E2=80=99t raise mine - I= =E2=80=99ve never >> used Lua. :) >> >> - Jordan >> > > One one hand we have Forth which seems to be under-appreciated. I would > think that it is still better than nothing, but then nothing is what othe= r > people use and they are not complaining (perhaps because they don't know > what they are missing? I don't know). > > On the other hand there is Lua: If we do a quick look in the net for Lua > related code we can find many examples. It seems like there is a new > generation of game developers that are very fond of Lua, to the point tha= t > it is more popular than Python in gaming. Other than Angry Birds, I am al= so > seeing Lua embedded in Apache httpd, Trafficserver, VLC, there is even a > Forth implemented in Lua! To put it someway: Lua absolutely looks better > than forth in your resume. > > FWIW, although somewhat oldish, this looks like an interesting thing to > play with > http://lua-cui.sourceforge.net/ > > And there's also this: > https://code.google.com/p/llvm-lua/ > > No equivalents for Forth, AFAICT. > > This said, while Lua seems to be powerful and exciting, it is not the > mighty thing we want everywhere. Apparently Grub2 at some point embedded > Lua and later reverted it. NetBSD introduced Lua in their kernel but > apparently has found no use for it. DragonFly's installer had an old Lua > backend that they removed (they also removed bootforth very early). > > Options are good, I welcome the Lua option and I will love to see how far > it goes but let's not get too excited about the imminent death of Forth > just yet. Ultimately, being Devin the driving force behind the bootloader > enhancements, I think he is in the best position to choose. > > Pedro. >
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