#crystal-lang on 2015-12-17 — irc logs at freenode.irclog.whitequark.org

2015-10-30 12:56 jhass changed the topic of #crystal-lang to: The Crystal programming language | http://crystal-lang.org | Crystal 0.9.1 | Fund Crystals development: http://is.gd/X7PRtI | Paste > 3 lines of text to https://gist.github.com | GH: https://github.com/manastech/crystal | Docs: http://crystal-lang.org/docs/ | API: http://crystal-lang.org/api/ | Logs: http://irclog.whitequark.org/crystal-lang

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00:14 <crystal-gh> [crystal] asterite pushed 3 new commits to master: http://git.io/v0yTC

00:14 <crystal-gh> crystal/master 30bd486 Julien 'Lta' BALLET: delegate macro supports multiple methods

00:14 <crystal-gh> crystal/master b9a86d1 Julien 'Lta' BALLET: make delegate arg-safe again

00:14 <crystal-gh> crystal/master 5903709 Ary Borenszweig: Merge pull request #1955 from elthariel/delegate_multi...

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00:23 <travis-ci> manastech/crystal#5903709 (master - Merge pull request #1955 from elthariel/delegate_multi): The build passed. https://travis-ci.org/manastech/crystal/builds/97348336

00:23 <DeBot> https://github.com/manastech/crystal/pull/1955 (delegate macro supports multiple methods)

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13:42 <luislavena> has anyone used oprofile and opannotate for profiling?

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14:13 <asterite> luislavena: in mac osx I use Instruments, but I don't know what's a good way to profile in linux. If you find a way, a blog post or at least letting us know would be nice :-)

14:14 <asterite> I think I tried to use perftools without success

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14:17 <luislavena> asterite: it did work for me, showing me the source and everything

14:17 <luislavena> but couldn't figure out how to avoid the std code be included in the results

14:18 <asterite> Hm, maybe we need a way to not add debug data for 3rd party libraries somehow. Maybe the compiler could do that automatically: only debug the current project (src), libs and other paths are 3rd party

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14:23 <luislavena> perhaps make that an option?

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14:47 <BlaXpirit> gotta implement that first :p

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16:09 <sogard> Hello, guys. Any ideas why the Call object in a macro does not have the #obj method?

16:10 <jhass> sogard: #receiver

16:10 <sogard> Thanks a lot! Any idea why?

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16:11 <jhass> we're talking AST level here

16:11 <jhass> #receiver may return another call, a local variable etc

16:12 <sogard> Got it.

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16:21 <sogard> Also, any tips for writing helper functions that I would use in macros?

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16:50 <sogard> Anyone got any idea how I can write functions/helpers that I can use in macros? (e.g. stringify that you can all)

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17:05 <jhass> sogard: they have to be baked into the compiler

17:06 <jhass> sogard: https://github.com/manastech/crystal/blob/master/src/compiler/crystal/macros/methods.cr

17:06 <sogard> jhass: I was afraid so. Is there absolutely no way to call macros inside of macros?

17:06 <jhass> calling macros should work

17:07 <sogard> jhass: Calling macros recursively?

17:08 <sogard> jhass: I'm not able to call a macro that was previously defined.

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17:10 <jhass> https://carc.in/#/r/oew

17:11 <sogard> Yeah, sure, but then the code gets created. I mean, calling a macro within {{ }}.

17:12 <sogard> https://carc.in/#/r/oex

17:15 <jhass> https://carc.in/#/r/of1 ?

17:16 <sogard> jhass: Yes, this makes sense. :) I didn't realise you could just call the macro.

17:17 <jhass> the gotcha is that the result of each invocation must parse

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17:56 <sogard> jhass: Seems like I managed to break it somehow. I'm getting a segfault without going to the memory layer.

17:57 <jhass> sogard: endless recursion?

17:57 <sogard> jhass: You're good. :D

17:57 <sogard> jhass: I'm guessing it's already reported.

17:58 <jhass> well, a segfault is the normal reaction to a stack overflow, you're just used of runtimes handling it and turning it into a descriptive error

17:59 <sogard> I think the usual error was "Stack too deep" or something similar when using C & gcc.

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18:48 <crystal-gh> [crystal] asterite pushed 2 new commits to master: http://git.io/v07wQ

18:48 <crystal-gh> crystal/master d84c303 Sergio Gil: Basic YAML generation

18:48 <crystal-gh> crystal/master f9614e3 Ary Borenszweig: Merge pull request #1929 from porras/to-yaml...

18:49 <crystal-gh> [crystal] asterite pushed 4 new commits to master: http://git.io/v07rq

18:49 <crystal-gh> crystal/master af254a3 Ary Borenszweig: Removed `Array#buffer`, `StaticArray#buffer` and `Slice#buffer`. Use `to_unsafe` instead (so unsafe usages are easier to spot)

18:49 <crystal-gh> crystal/master 490be61 Ary Borenszweig: [ci skip] Updated Changelog

18:49 <crystal-gh> crystal/master 2fb81c5 Ary Borenszweig: Removed `String#cstr`. Use `to_unsafe` instead (so unsafe usages are easier to spot)

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19:06 <travis-ci> manastech/crystal#2fb81c5 (master - Removed `String#cstr`. Use `to_unsafe` instead (so unsafe usages are easier to spot)): The build passed. https://travis-ci.org/manastech/crystal/builds/97514617

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