<zacts>
tilpner: aren't both ruby-like and they both compile to binaries?
<tilpner>
zacts - AFAICT mruby can only compile to bytecode while Crystal compiles to native executables
<zacts>
oh I see
<zacts>
cool
<zacts>
that answers my question, I'll investigate specifically though
<zacts>
oh I see: "You can also compile Ruby programs into compiled byte code using the mruby compiler "mrbc". All those tools reside in the "bin" directory. "mrbc" is also able to generate compiled byte code in a C source file, see the "mrbtest" program under the "test" directory for an example."
<zacts>
^ from the github readme.md
<zacts>
it looks like you can compile to a binary via C as an IR
<zacts>
I think Chicken Scheme does this as well (compiles to C)
<zacts>
as a random side note, that is
<zacts>
anyway, this crystal-lang sounds really promising
<tilpner>
There's a difference here: Chicken and Crystal compile the source code to C, mruby compiles the source code to bytecode that happens to be represented as C.
<tilpner>
The bytecode will still need interpretation
<zacts>
ah ok
<zacts>
tilpner: so Crystal does use C as an IR as well?
<tilpner>
No, it uses LLVM to compile directly to native code (x86*, etc.). The crystal front-end compiles only to LLVM-IR, then LLVM takes care of the rest
<tilpner>
Sorry, I didn't realise I included Crystal above. It does not compile to C.
<zacts>
ah ok
<zacts>
neat
<tilpner>
I think I meant to say "Chicken and Crystal compile to the source to native code"
<zacts>
and the tools will help manage packages on this system
<zacts>
the problem with using plain ruby for it, is the need to install 3rd party gems. I'm assuming that I can statically link libraries into a crystal app?
<zacts>
ruby apps are more difficult to package as well, it seems
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<BlaXpirit>
zacts, statically linking is not widely used or well explained but it has been done
<BlaXpirit>
worth noting that Crystal programs depend on multiple external libraries like PCRE, GC
<BlaXpirit>
other than that, everything is great
<zacts>
ah ok
<zacts>
pcre and gc is fine
<zacts>
I mean crystal implemented libraries / gems
<zacts>
can those easily be statically linked?
<zacts>
similar to how Go can statically link Go libraries into a single binary
<BlaXpirit>
zacts, crystal does not link to crystal, it basically puts all source code together and compiles
<zacts>
otherwise, if I can somehow not have to `gem install` each library to package it
<zacts>
ah nice ok
<zacts>
so it all becomes a single binary in the end
<zacts>
I just want a single binary for my cli tool
<BlaXpirit>
crystal can link to C FFI though. both use it and produce unmangled function names
<zacts>
but I want to utilize several crystal libraries, for example
<BlaXpirit>
yes it compiles to 1 executable
<zacts>
cool cool
<zacts>
thanks! :-)
<zacts>
so, I think crystal will work perfect for my usecase
<zacts>
nice
<zacts>
I just compiled my first hello.cr program! :-)
<zacts>
I like this
<zacts>
crystal build hello.cr --release
<zacts>
and I can just crystal run hello.cr
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<zacts>
ok
<zacts>
are there emacs / vim syntax files?
<zacts>
so I can syntax highlight?
<BlaXpirit>
i dunno, search for it. vim is present, pretty sure
<wmoxam>
is there a script that packages releases?
<wmoxam>
I noticed the latest crystal release didn't include BSD versions
<zacts>
cool thanks
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<wmoxam>
zacts: that's probably the best list of crystal stuff in general
<zacts>
thanks
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<tankfeeder>
morning
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<Yxhuvud>
there is an emacs package but there is noone has put it in a package repository since they don't think it is good enough
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<Papierkorb>
I think I found two bugs related to enums with @[Flags] in the latest version, lemme see
<Papierkorb>
Err, one bug - Or an intended change which in turn make .from_X methods akward: If you have a typed enum like `enum Foo : UInt8`, then its .new method will now expect an UInt8 too. This is a change to the previous behaviour, which did accept Int or similar, regardless of the internal type
<Papierkorb>
Makes it akward as now from_X methods now have to cast to the correct integer type. If I'm not overlooking something.
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<FromGitter>
<spalladino> @Papierkorb I'm not sure if that's an intended change, but IMHO it makes sense. Crystal (at least for now) does not automatically convert between numeric types, so this code fails: ⏎ ⏎ ``` code paste, see link``` ⏎ ⏎ It makes sense that `from_X` methods behave the same way, if you ask me. [https://gitter.im/crystal-lang/crystal?at=583851438255fe6b76c9bf1a]
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<Papierkorb>
spalladino, with from_X it makes the code really bad. I was hinting at things like from_json, which now have to add yet another hardly readable line of macro code to do the casting
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<Papierkorb>
I mean, what's the point in allowing duck typing, when parts of the stdlib which would benefit from it do not allow it?
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<mussela>
hello
<mussela>
I couldn't find on the docs a way for an Array to hold values of a class or any of its descendants
<mussela>
is it possible?
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<BlaXpirit>
mussela, [] of BaseClass
<BlaXpirit>
[subobj1, subobj2] of BaseClass
<mussela>
I see, thanks!
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<Papierkorb>
Is it possible to catch GC warnings and then just raise or something to debug where they come from?
<BlaXpirit>
if only...
<Papierkorb>
If nothing's there yet, I may look at it later. I guess boehmgc already has a hook for that somewhere.
<Papierkorb>
Else I'll resort to a malloc() hack or something
<BlaXpirit>
Papierkorb, let me know if u figure something out for debugging GC
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<Papierkorb>
Shameless plugging again: The torrent shard now offers an experimental implementation of Bittorrent DHT, it is not yet used to find/announce peers though
<FromGitter>
<splattael> @ysbaddaden Any news about "libs" vs "lib" issue since Crystal 0.20.0? Should I file an issue or even a PR to remove `libs` from search path?
<RX14>
@splattael which issue?
<FromGitter>
<splattael> > `libs` is taking precedence over `lib`, but upgrading dependencies will install them into `lib` but an older version is being picked.
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<Papierkorb>
For some reason I'm interested in porting crystal to windows. I don't even like windows, nor do I want to maintain it longterm, I just think that it should be available there..
<BlaXpirit>
yeah it's essential, what to say
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<FromGitter>
<sdogruyol> @papierkorb i agree with you
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<FromGitter>
<jwoertink> I second that
<FromGitter>
<jwoertink> What exactly would that take? Maybe we can get a wiki on the repo together that would talk about what things crystal would need on windows in order to run?
<BlaXpirit>
someone said llvm 3.8
<BlaXpirit>
well we got that and more
<Papierkorb>
LLVM isn't the issue, has been available for windows for ages
<Papierkorb>
libevent is most likely available too, libunwind .. probably? PCRE could be annoying, but there's probably a port of it too
<FromGitter>
<jwoertink> Yeah, see, a doc of these things would be awesome ^
<BlaXpirit>
i don't think GUI is doable with a posix emulation layer
<BlaXpirit>
what do i know though
<Papierkorb>
even if not, it's a start
<BlaXpirit>
support with an emulation layer is not what people want
<Yxhuvud>
well, define 'doable'. Is there any reason it shouldn't be a shim to a C lib? I'd assume the hard parts would be the differences in what the OS provide in terms of threads and other similar stuff that POSIX provides normally
<BlaXpirit>
i wonder if porting to windows with emulation layer even helps with bootstrapping
<FromGitter>
<drosehn> @maiha_twitter -- thanks for the pointer to the project which uses LMDB. I'll save that link and look at it when I get a chance. (which might be tomorrow, if I'm lucky)
<Papierkorb>
BlaXpirit: Yes, there are various comments in the issue outlining why
<BlaXpirit>
Yxhuvud, yeah, the event loop stuff is mindboggling
<Yxhuvud>
while some variant of llvm has been available for windows for long, has it supported the windows abstractions properly?
<Yxhuvud>
Papierkorb: compiles doesn't mean it is native in terms of using the stdlib as is given by the normal windows compiler.
<Papierkorb>
There are also some things that work entirely different on Windows, like good old fork(), which are not easily substituted
<Papierkorb>
Yxhuvud: A friend of mine compiled one of my projects I wrote with C++/Qt and Clang (-> LLVM flying around in there somewhere) using MinGW years ago
<Papierkorb>
That only required the mingw std lib, which is native to windows though, no posix emulation
<Yxhuvud>
sure, but mingw is a very very different beast to anything related to visual studio and MS compilers.
<Papierkorb>
.. so?
<Papierkorb>
It produces native code using the native API
<Papierkorb>
I'm more interested in having a MinGW based port too, don't care about MSVC stuff
<Yxhuvud>
a mingw port may be a feasible and good first step, but it would not be a first class citizen on the platform.
<BlaXpirit>
Papierkorb, i'm quite sure there is a big difference here
<Papierkorb>
I don't get it, why? Then it depends on mingw_x.dll instead of msvc12345.dll
<Papierkorb>
What's the difference?
<BlaXpirit>
you see, MinGW supplies a C++ compiler. using the compiler and relying on MinGW libraries may not be the same thing
<BlaXpirit>
though it probably is, i remember now..
<Yxhuvud>
The difference is that you won't be able to integrate properly to windows libraries. If that matters or not depends on what you build.