Perl 6 language and compiler development | Logs at colabti.org/irclogger/irclogger_logs/perl6-dev | For toolchain/installation stuff see #perl6-toolchain | For MoarVM see #moarvm
Set by AlexDaniel on 12 June 2018.
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MasterDuke .ask timotimo can you think of a reason a profile just wouldn't get written? i'm attempting to --profile-compile the rakudo build and it takes a long time (~16m) and finishes without any sort of error, but it never even starts the 'Writing profiler output...' stage 02:40
yoleaux MasterDuke: I'll pass your message to timotimo.
lizmat MasterDuke: fwiw, I've been never been able to do that 02:47
MasterDuke lizmat: i was last able to in september of last year 02:48
i did it for a couple release in a row 2016.12 - 2017.09. but then it stopped working, with various different errors 02:50
fewer errors now, but still no profile
lizmat you were luckier than me 03:25
MasterDuke: BTW, I forgot to explicitely mention your commit bit in the last P6W
it fell through the cracks :-( 03:26
will do it in the next!
MasterDuke i had to use a (free) google vm with the ram increased a lot 03:28
lizmat: no worries 03:30
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lizmat hmmmm 04:28
so I just created a new dir with "mi6 new", and all of a sudden the dir contains a subdir "inst#/Users/liz/.perl6/precomp/" 04:29
I guess that's mi6 not handling the home directory spec correctly ? 04:30
or is this a more general artefact ? 04:44
this feels like a potential blocker ?
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geekosaur suspect that is a recent change; [20 19:44:22] <Geth> ¦ rakudo: dcd5259a87 | (Aleks-Daniel Jakimenko-Aleksejev)++ (committed using GitHub Web editor) | src/core/CompUnit/RepositoryRegistry.pm6 05:02
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samcv MoarVM 2018.06 has now been released 06:09
.tar.gz has also been uploaded as well 06:10
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samcv AlexDaniel 06:16
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AlexDaniel samcv: yay, thanks 11:43
samcv++
lizmat: oh… huh 11:50
hoelzro: ping ↑
lizmat: can you ticket that? 11:52
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hoelzro AlexDaniel: pong 13:17
yeah, that definitely looks related to that change I made =/
AlexDaniel hoelzro: github.com/rakudo/rakudo/pull/1934...-399096218 13:22
hoelzro ah ha 13:23
ok, I'll fix that up real quick
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Geth rakudo: cf10780daa | (Rob Hoelz)++ | src/core/CompUnit/RepositoryRegistry.pm6
Use HOME path for CURLI prefix

  ...rather than a "inst#$HOME/.perl6" spec		 13:53
hoelzro AlexDaniel: done
lizmat: could you pull the latest and try that mi6 command again, please? 13:54
hoelzro leaves for a bit to walk the dog
AlexDaniel hoelzro++
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Geth roast: 9da44bb269 | (Jonathan Worthington)++ | S06-traits/is-copy.t
Test to cover `is copy` in a sub-signature

Got regressed during my Scalar container refactors, but no spectest caught the problem. Therefore, adding one.		 13:58
rakudo/rescalar: 68efe75203 | (Jonathan Worthington)++ | src/Perl6/Metamodel/BOOTSTRAP.nqp
Bring a comment up to date with recent changes
 14:20
rakudo/rescalar: 70bad89158 | (Jonathan Worthington)++ | src/Perl6/World.nqp
Fix regression in `is copy` in subsignatures

At least, that's what it fixes on the MoarVM backend. For JVM, it probably fixes the much more general `is copy` regression that was observed there.
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lizmat hoelzro: yup, that seems to have fixed it! 15:01
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AlexDaniel awesome 15:15
Geth rakudo/release/2018.06: d06e70c3de | (Rob Hoelz)++ (committed by Aleks-Daniel Jakimenko-Aleksejev) | src/core/CompUnit/RepositoryRegistry.pm6
Use HOME path for CURLI prefix

  ...rather than a "inst#$HOME/.perl6" spec		 15:17
nqp: 62ba16f6cf | (Jonathan Worthington)++ | src/vm/moar/QAST/QASTOperationsMAST.nqp
Add a wantdecont op

Which compiles its child with the want-decont flag set, thus giving the code-gen a hint it may not be able to otherwise figure out.		 15:33
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Geth rakudo/rescalar: b506292205 | (Jonathan Worthington)++ | src/Perl6/Actions.nqp
Add back compiling return value with want-decont

Which can lead to significantly better code quality in cases where the thing being returned might otherwise compile into a lexical reference.		 15:35
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hoelzro AlexDaniel: btw, should I have not pushed to master? 15:55
AlexDaniel hoelzro: no, it's ok. So you pushed to master and I cherry-picked into the release branch, no problem with that. If you pushed to the release branch, I would've merged the release branch into master instead, which is arguabbly a tiny bit better but doesn't really matter that much (in that case there's only one commit doing the change + merge, but cherry-picking results in two different commits) 16:04
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Geth rakudo/rescalar: ef712dcb12 | (Jonathan Worthington)++ | 2 files
Introduce nqp::p6scalarwithvalue

Which saves the assignment of the default value when we're only going to immediately replace it anyway.		 16:24
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Geth rakudo/rescalar: 43680f32ce | (Jonathan Worthington)++ | src/Perl6/Actions.nqp
Make sure p6scalarfromvalue will decont
 17:22
rakudo/rescalar: db7a77a1d7 | (Jonathan Worthington)++ | src/core/Array.pm6
Further usage of p6scalarwithvalue in Array

Will later do some further audit of the codebase for places where we can also use this.
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Geth nqp/truffle: 1d5e31c9fa | (Paweł Murias)++ | 4 files
[truffle] Call executeString when expecting an str
 18:41
nqp/truffle: 2ffd9144c1 | (Paweł Murias)++ | 21 files
[truffle] Calling simplest code-refs works

  ./nqp-j nqp-truffle.nqp -e '(sub () {nqp::say("Hello World")})()' works
nqp/truffle: ae931c0610 | (Paweł Murias)++ | README.pod
[truffle] Add some helpfull links to learning about Truffle
 19:01
nqp/truffle: 5fe4c8d99b | (Paweł Murias)++ | README.pod
[truffle] Describe how stuff is compiled
 19:09
pmurias found out that the truffle backend had a first contributor 22 days ago and he didn't notice :( 19:11
Geth roast: cb4945616d | (Will "Coke" Coleda)++ | S05-capture/match-object.t
tie back to RT
 19:35
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Geth rakudo/release/2018.06: cccf3c7200 | (Aleks-Daniel Jakimenko-Aleksejev)++ | 2 files
Log all changes (+ announcement)

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rakudo/release/2018.06: a3f07d4f45 | (Aleks-Daniel Jakimenko-Aleksejev)++ | docs/release_guide.pod
Actual date, claim next release
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AlexDaniel R#1946 23:31
synopsebot_ R#1946 [open]: github.com/rakudo/rakudo/issues/1946 %(), @(), $() are evil/weird
AlexDaniel how come %() isn't just an empty hash? 23:32
“Use %() as a shorthand for %($/) to flatten as a hash”
why
greppable6: \%\(\) 23:33
greppable6 AlexDaniel, Sorry kid, that's not my department.
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jnthn I think that's been around in Perl 6 longer than I have, so would probably have to ask TimToady why :) 23:33
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AlexDaniel greppable6: \%\(\) 23:34
greppable6 AlexDaniel, No! It wasn't me! It was the one-armed man! Backtrace: gist.github.com/75a25d6cd2a1f2082b...17bdbac81f
AlexDaniel ah come on
perlpilot seems like %() and @() being lazy ways at $/ should be excised. IMHO
jnthn m: 'blah blah' ~~ /$<foo>=\w+ . $<bar>=\w+/; say %$/ 23:35
camelia Map.new((bar => ｢blah｣, foo => ｢blah｣))
jnthn There's already a totally regular 3-char way to two out of the 3
(%() => %$/ and @() => @$/) 23:36
So in terms of brevity there's no really argument for those two 23:37
perlpilot Then $() should go too because it would be the odd one out :)
jnthn As for $() I can't right off remember a time when I wanted a shorter way to write $/.ast // ~$/ :)
Generally, either I expected an AST or I wanted the matched string. 23:38
So I'm not inclined to consider $() very useful either 23:39
I quite happily use {...} for hashes in a lot of cases, always write {] over %() for the empty hash literal, and can't imagine myself doing otherwise. But I understand others prefer %(...) consistently, and letting %() mean the empty hash rather than %$/ to help with that feels like the better use of that syntax. 23:42
AlexDaniel how to change that though? If anybody is using %() on purpose right now, changing the behavior is possibly not the best idea
deprecate in v6.d and reallow in v6.e? Complicated…
jnthn It'll take years.
But yeah, something like that
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jnthn It's a syntactic construct, so it's easy to switch over the current language version in the compiler. 23:43
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AlexDaniel so {} is not an empty block but an empty hash, and %() is not an empty hash but %$/. Fascinating 23:45
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jnthn Well, {...} never claimed to always be a block; it's long been (and always will be) both a way to write a hash and a way to write a block. 23:49
perlpilot AlexDaniel, an empty block looks like this: {;}
jnthn I'd prefer %() to mean an empty hash, though :)
AlexDaniel perlpilot: that's not empty, it has a semicolon in it!
:)
jnthn Wanting an empty hash is rather more common than wanting an empty block, so the {} case isn't much to worry about, IMO 23:50
AlexDaniel not true
I flipped the table a few times because of this :)
one example is in sake files
jnthn I like the name of that, because "for goodness sake" is what I say half the time when doing anything with build systems anyway :P 23:51
AlexDaniel when you'd write something like:
task ‘foo’ => <bar baz>, {;}
jnthn Why doesn't it just let you know pass a block there?
s/know//
oops 23:52
s/know/not/
But yeah, if there's an API that is designed to want empty blocks, I guess it can bite.
geekosaur wonders how long before someone comes up with a slang including "pass" >.> 23:53
AlexDaniel it does fail with “Cannot resolve caller task(Str, Hash); none of these signatures match:”
but my point is that wanting an empty block is fairly common 23:54
the block probably has to be optional there, so that you can literally pass nothing
well ok, wanting an empty hash is probably *more* common :) 23:55
perlpilot probably? :)
AlexDaniel quotable6: Beware_of_empty 23:56
quotable6 AlexDaniel, OK, working on it! This may take up to three minutes (4582161 messages to process)
jnthn perlpilot: Certainly in my experience, but I never used sake :) 23:57
quotable6 AlexDaniel, Found nothing!
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AlexDaniel quotable6: ‘empty block’ 23:57
quotable6 AlexDaniel, OK, working on it! This may take up to three minutes (4582161 messages to process)
AlexDaniel, Sorry kid, that's not my department. 23:58
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AlexDaniel this is really weird, some things are not working until I restart the bots… 23:59
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AlexDaniel quotable6: ‘empty block’ 23:59
quotable6 AlexDaniel, OK, working on it! This may take up to three minutes (4582161 messages to process)
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