ChanServ changed the topic of #zig to: zig programming language | https://ziglang.org | be excellent to each other | channel logs: https://irclog.whitequark.org/zig/
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<daurnimator> u0jQx9gPyrYg: also `git stash show -p`
<daurnimator> also `git reset -p`
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<ifreund> git restore -p
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<Michcioperz> the worst part of `git restore` is when you go back to a device that doesn't have a recent version of git on it
<ifreund> true
<ifreund> idk why I started using it, I still never use git switch
<Michcioperz> i use both and zsh doesn't autocomplete them for me and it's awful
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<ifreund> what are the semantics of a pointer to a zero length array?
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<ifreund> tdeo: My scanner's now far enough along that I wanted to implement hello-wayland and I immediately hit the dependency loop in xdg-shell
<tdeo> yeah :(
<ifreund> have you looked at fixing this yet? I may give it a go if not
<ifreund> also is there an issue for it? I couldn't find one
<tdeo> i looked for a bit but didn't think of anything
<tdeo> there is an issue, sec
<ifreund> that's a low number
<tdeo> you could have an ugly initGlobalState() function which patches the interface stuff in
<tdeo> as a workaround
<tdeo> it's pretty terrible though
<ifreund> that sounds aweful
<ifreund> I think I'll bash my head against stage1 a bit first
<tdeo> i'll happily answer any questions that i can help with while i'm here
<tdeo> seemed hard to find people to do that with stage1
<ifreund> appreciate it
<tdeo> https://github.com/rust-lang/rust/pull/26630 will probably help as a reference
<ifreund> is there anything that's not in ir.cpp?
<tdeo> analyze.cpp/ir.cpp/codegen.cpp are the main files
<tdeo> codegen.cpp does most of the llvm stuff but analyze.cpp also creates some llvm types
<ifreund> cool
<ifreund> I guess one way to get started would be to make a simple test case and step through it with gdb
<tdeo> i like to break on add_node_error and go up the stack
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<tdeo> i think `const x: *const u8 = @ptrCast(*const u8, &x);` would pass with this working, which is kinda neat
<tdeo> seems like the simplest case
<ifreund> heh, that's weird but I like it
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<g-w1> r¹‘H„D"áъâñ8™LH!Žãxw.•JäóyLÓü€=ï¬(ӆKD+J¥R=Ü2慥~í{‰ž¼¸ÁWìÌ-“lm¢Í ¶6ôUg‡¢õĭõÄmáËÝ~Š·ô?Ø'P9ærŒN,î̒«Ôõ02օ}•£¨w ý>Åé¥lDEèC£Œv5ÓP|æúòœXüÞñ)öÖ×I[þ
<g-w1> ºZÐC©ö£ԩƒÑ-¶‡ë«՛c³|>µ
<g-w1> p±»ÁD¢2$Ù®³•B§Uö´ñ2zoÎ(v”=IEND®B`‚
<leeward> Indeed. Well said.
<g-w1> sorry about that
<leeward> :P
* pixelherodev will now spend thirty minutes attempting to decrypt that encoded message
<pixelherodev> /s
<leeward> Hah, right, you're actually going to spend the next 7 hours on it. We know.
<pixelherodev> lolnope
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<pjz> but you'll decrypt it using zig, right? :)
<ifreund> I'm happy that my font handled that
<pixelherodev> mine didn't :P
<pixelherodev> g-w1: dare I ask what that was?
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<g-w1> i tried to paste an image into a different server to see what would happen and then the terminal interpreted it as escape codes, switched to zig and pasted it. I have learned my lesson. lol. pixelherodev
<pixelherodev> heh
<ifreund> so it really was random binary
<ifreund> idk how i didn't get any unicode fallback boxes then
<leeward> Your font is fancier than mine. I got oodles.
<radgeRayden_> maybe it just skipped all the obviously invalid codes, then you'd only see squares for valid codes that don't exist in your font
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<ifreund> judge for yourself if you like: https://paste.rs/SjD.png
<radgeRayden_> mine doesn't have the spaces
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<u0jQx9gPyrYg> i get a 'LLVM ERROR: Unsupported library call operation!' during zig build. but no other info, how can i debug this?
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<tdeo> u0jQx9gPyrYg: are you doing stuff with non-power-of-two ints?
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<u0jQx9gPyrYg> like with u7? no, but i do use a few u256
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<ifreund> well, you can always pull out gdb
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<tdeo> u0jQx9gPyrYg: yeah it's probably the u256 actually
<tdeo> even power-of-two but big things are affected
<tdeo> i'll find the issue
<tdeo> ttps://github.com/ziglang/zig/issues/1534
<pixelherodev> I think >u128 is worse than non-power-of-two
<pixelherodev> e.g. u7 usually gets extended to u8 by LLVM, whereas u256 just fails
<tdeo> yeah that was the wrong thing to ask, non-power-of-two is broken in packed structs not for library calls
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<u0jQx9gPyrYg> actually i do a ` const CreateReq = packed struct {op: ReqType, id: u256, alpha: u256};
<ifreund> hah, mixing u256 and packed structs, wcgw
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<pixelherodev> Oof
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<ifreund> man stage1 is kind hard to do anything with, I hate C++
* pixelherodev nods in complete agreement
<pixelherodev> I need to get some other stuff done today and tomorrow, and then rush ahead with some of next week's work to buy some time, then I'm dumping at least ten hours into CBE next week.
<ifreund> thing is, I want #131 before 0.7.0 so my wayland scanner is actually useful
<pixelherodev> ifreund: you could cheat for that
<pixelherodev> tweak translate-c instead ;)
<pixelherodev> ... wait
<ifreund> huh?
<pixelherodev> Are you generating from C?
<pixelherodev> Or from XML?
<ifreund> xml
<pixelherodev> Generating Zig, right?
<pixelherodev> Just generate `@as` in there for now
<pixelherodev> That'll get you going for 0.7, and then you can clean it up for, hopefully, 0.8
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<ifreund> I don't think that works?
<ifreund> the problem is recursive dependencies of globals
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<pixelherodev> wait, what?
<pixelherodev> #131, you said?
<pixelherodev> oh oops
<pixelherodev> I was looking at #137
* pixelherodev facepalms
<ifreund> heh
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<tdeo> ifreund: that function seems to only have to do with debug info at least
<tdeo> but maybe "actual" means non-debug-info
<manikawnth> Hi, Can't 1 bit integers be type coerced to bool? `@as(bool, var_u1)` ?
<tdeo> @intToBool
<tdeo> wait, that doesn't sound like it exists
<ifreund> no
<ifreund> foo == 1
<ifreund> tdeo: mostly just confused by the comment there, as zig has global variables :D
<u0jQx9gPyrYg> so you say, packed structs and u256 doesnt mix? :/ i wanted to unpack a thing sent over the network.
<tdeo> nah, packed structs are just generally buggy and so are ints larger than 128 bits
<tdeo> but nothing specifically about them together i think
<ifreund> yeah i think you're likely just hitting u256 bugs, packed structs should work fine with nice power of two stuff
<tdeo> so any ideas on fixing 131 ifreund?
<ifreund> not really yet :/ I've spent a couple hours reading through stage1 and gaining understanding of how things work
<ifreund> zig's laziness makes things a little complicated
<ifreund> probably need to do the same thing rust did, but I don't see how to implement it yet
<tdeo> i find it pretty weird that this seems so niche that only wayland users cared about it for rust and now zig
<ifreund> heh
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<ifreund> you only really run into it if you have some complex interlocking global constants
<ifreund> which doesn't usually come up in non-generated code
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<ifreund> I'm off to bed now, don't feel like I've made much progress on #131 today but I now have some vague ideas as to how stage1 works at least
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