drew (Jun 24 2025 at 20:23): drew (Jun 24 2025 at 20:23):hey folks, just checking in on the state of projects with multiple files. It seems roc check still crashes on a simple multi-file projects, which means the LSP also doesn't work (see: https://gist.github.com/drewolson/358b196935083982d982339e672c7474). are others struggling with these same problems?
Brendan Hansknecht (Jun 24 2025 at 22:41):Intriguing. I definitely have seen it work with multiple files
Brendan Hansknecht (Jun 24 2025 at 22:42):So would require more debugging to know why that doesn't work
Brendan Hansknecht (Jun 24 2025 at 22:42):Must be something more specific than just multifile
drew (Jun 25 2025 at 00:24):hmm, interesting. this is the simplest multi file project i could come up with
drew (Jun 25 2025 at 00:29):as it is literally just two files, one main and one with an add function.
Anthony Bullard (Jun 25 2025 at 00:39):i wonder if removing the type annotation on add or changing it from using Int _ to using Int * (or Int a) would help
drew (Jun 25 2025 at 00:39):fails with all of these as well
drew (Jun 25 2025 at 00:40):Int * doesn't actually compile :slight_smile:
drew (Jun 25 2025 at 00:40):but no type annotation has the same error
Anthony Bullard (Jun 25 2025 at 00:41):wait it's just with Check
drew (Jun 25 2025 at 00:41):yes
Anthony Bullard (Jun 25 2025 at 00:41):and not when you build?
drew (Jun 25 2025 at 00:41):yes
drew (Jun 25 2025 at 00:41):which means the LSP also doesn't work
Anthony Bullard (Jun 25 2025 at 00:41):that's extra strange since check is a subset of the build pipeline
drew (Jun 25 2025 at 00:42):agreed. i think this same bug has been here for at least a year, but i don't know why i'm the only one experiencing it
Anthony Bullard (Jun 25 2025 at 00:42):what's the version you have?
drew (Jun 25 2025 at 00:42):i just pulled the rolling nightly
Anthony Bullard (Jun 25 2025 at 00:42):and what platform etc?
drew (Jun 25 2025 at 00:42):$ roc --version
roc nightly pre-release, built from commit c47a8e9cdac on Sat Mar 22 09:14:20 UTC 2025
drew (Jun 25 2025 at 00:42):i followed the install directions
drew (Jun 25 2025 at 00:42):see the gist above
Anthony Bullard (Jun 25 2025 at 00:43):i have never experienced this and i did all of AOC last winter in Roc
drew (Jun 25 2025 at 00:43):latest CLI platform
drew (Jun 25 2025 at 00:43):Anthony Bullard said:
i have never experienced this and i did all of AOC last winter in Roc
interesting, that's good to hear
drew (Jun 25 2025 at 00:44):can you reproduce this with the gist i shared?
Anthony Bullard (Jun 25 2025 at 00:44):oh you are checking a single file that's a module
Anthony Bullard (Jun 25 2025 at 00:44):hmmm
drew (Jun 25 2025 at 00:44):yep
Anthony Bullard (Jun 25 2025 at 00:44):i'm trying to think if i ever would have done that
Anthony Bullard (Jun 25 2025 at 00:45):semantic analysis requires an entire project. whether that's a package, a platform, or an app
Anthony Bullard (Jun 25 2025 at 00:45):i fixed a similar bug with apps that had a package dependency
Anthony Bullard (Jun 25 2025 at 00:46):i've been so deep in the compiler rewrite i've unfortunately not had the chance to write much of any Roc in the past 3-4 months
Anthony Bullard (Jun 25 2025 at 00:46):ironic, I know
drew (Jun 25 2025 at 00:46):np, i figured that is often the case!
Anthony Bullard (Jun 25 2025 at 00:53):can you try adding --main main.roc to your check command before Foo.roc?
Anthony Bullard (Jun 25 2025 at 00:55):so, roc check --main main.roc Foo.roc
drew (Jun 25 2025 at 00:58):same error
Anthony Bullard (Jun 25 2025 at 01:20):ok it looks like we have an issue here where the derived module is still locked because main is referencing it
Anthony Bullard (Jun 25 2025 at 01:22):Maybe @Anton can take a look into this when he comes on next. the load system is rather complicated to debug and i'm on my phone
Anthony Bullard (Jun 25 2025 at 01:34):i think we need main to not be queued for processing
Anthony Bullard (Jun 25 2025 at 01:35):if we don't reference a package or platform
Anton (Jun 25 2025 at 08:35):Sorry that this important issue did not get solved for so long @drew!
I may be close to solving #compiler development > slow build with lots of `?` and will take a look after that.
Anton (Jun 25 2025 at 11:50):and will take a look after that.
I could not resist, fix coming in :airplane_arrival:
Gemini 2.5 pro was able to fix the bug given some debug logs, I'm pretty impressed, this requires real understanding.
Anthony Bullard (Jun 25 2025 at 11:54):would love to see that PR!
Anthony Bullard (Jun 25 2025 at 11:54):mainly to see if my high level diagnosis was correct
Anton (Jun 25 2025 at 12:01): Anton (Jun 25 2025 at 12:04):@drew tomorrow's nightly will contain fixed binaries for roc and roc_language_server
Anton (Jun 25 2025 at 12:05):Gemini 2.5 pro was able to fix the bug given some debug logs, I'm pretty impressed, this requires real understanding.
The file with the bug(file.rs) is nearly 7000 lines too :p
Anthony Bullard (Jun 25 2025 at 12:23):Approved @Anton but there is a check failure
drew (Jun 25 2025 at 12:26):Anton said:
and will take a look after that.
I could not resist, fix coming in :airplane_arrival:
Gemini 2.5 pro was able to fix the bug given some debug logs, I'm pretty impressed, this requires real understanding.
how did you interface with gemini to fix the bug? aider? something else?
Anton (Jun 25 2025 at 13:36):Raw :p through aistudio.google.com share link
Anton (Jun 25 2025 at 13:36):I like to have full control over the messages, no prompt pollution from middle men
drew (Jun 25 2025 at 14:02):timely — https://blog.google/technology/developers/introducing-gemini-cli-open-source-ai-agent/
Anthony Bullard (Jun 25 2025 at 14:13):drew said:
timely — https://blog.google/technology/developers/introducing-gemini-cli-open-source-ai-agent/
This quote from the blog sent me:
That free license gets you access to Gemini 2.5 Pro and its massive 1 million token context window. To ensure you rarely, if ever, hit a limit during this preview, we offer the industry’s largest allowance: 60 model requests per minute and 1,000 requests per day at no charge.
Anthony Bullard (Jun 25 2025 at 14:13):60 requests per MINUTE on 2.5 pro free-of-charge???
drew (Jun 25 2025 at 14:14):indeed
Anthony Bullard (Jun 25 2025 at 14:14):Google may have just looped me back in, and that is something I would probably put on my machine (after some inspection of the source, of course)
Anthony Bullard (Jun 25 2025 at 14:16):Now I just gotta get code assist working in Neovim
drew (Jun 25 2025 at 14:17):i think the point of the cli is it is editor independent like claude code
Anthony Bullard (Jun 25 2025 at 14:18):Yeah, but i'll have to check the tools it has to see if I can have it access the open files and projects in my editors
Anton (Jun 25 2025 at 18:04):Anthony Bullard said:
Approved Anton but there is a check failure
@drew it's possible that the change causes issues on some machines, so it's not going to be in tomorrow's nightly yet. I need to investigate some more.
Anton (Jun 27 2025 at 11:31):Problem resolved, fix will be in tomorrow's nightly
drew (Jun 27 2025 at 18:08):do i get access to this buy downloading the alpha3-rolling binary from github?
drew (Jun 27 2025 at 18:08):(tomorrow, that is :slight_smile:)
Anton (Jun 28 2025 at 09:22):No, there have been breaking changes since alpha3, you can get the nightly here in less than an hour probably https://github.com/roc-lang/roc/releases/tag/nightly
Anton (Jun 28 2025 at 10:26):Fresh nightlies are up :)
drew (Jun 28 2025 at 13:49):drew:~/code/hello-roc (main)$ roc main.roc
3
Hello, World!
drew:~/code/hello-roc (main)$ roc check Foo.roc
0 errors and 0 warnings found in 20 ms.
drew (Jun 28 2025 at 13:49):it's working!
drew (Jun 28 2025 at 13:49):thanks
drew (Jun 28 2025 at 13:50):confirmed the language server also now works
Last updated: Jul 26 2025 at 12:14 UTC