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Nix + dotnet

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7 Feb 2025
@emma:rory.gayEmma [it/its]i was trying to figure out why my code parsing a 780 byte file takes 109 KB of allocations, but the built in profiler wasnt giving me anything at all17:28:28
@6pak:matrix.org6pakbtw rider has dotmemory builtin aswell17:29:11
@emma:rory.gayEmma [it/its]

but the built in profiler wasnt giving me anything at all

17:29:40
@6pak:matrix.org6pakoh I thought you meant dotnet-sos/dotnet-dump etc17:29:57
@6pak:matrix.org6pakbut rider literally embeds dotmemory so they should work the same17:30:16
8 Feb 2025
@emma:rory.gayEmma [it/its]yeah my issue is that the rider builtin variant doesnt do anything at all01:34:16
@emma:rory.gayEmma [it/its]the problem is that i cant make a snapshot because the process exits in less than a second01:34:46
10 Feb 2025
@gggkiller:matrix.orgGGG Corngood: it seems like the switch to the source-built variant did have some issues 03:06:16
@gggkiller:matrix.orgGGGI updated my nix config, and the source-built SDKs don't work with the roslyn-ls packaged with the C# VSCode extension03:06:46
@gggkiller:matrix.orgGGG

Initially I thought it was an issue with the new extension version, but I downgraded and the issue remains.
No source generators work with the following error:

Generator 'RegexGenerator' failed to initialize. It will not contribute to the output and compilation errors may occur as a result. Exception was of type 'FileNotFoundException' with message 'Could not load file or assembly 'System.Collections.Immutable, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.
'.
System.IO.FileNotFoundException: Could not load file or assembly 'System.Collections.Immutable, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'. The system cannot find the file specified.

File name: 'System.Collections.Immutable, Version=9.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
   at System.Text.RegularExpressions.Generator.RegexGenerator.Initialize(IncrementalGeneratorInitializationContext context)
   at Microsoft.CodeAnalysis.GeneratorDriver.RunGeneratorsCore(Compilation compilation, DiagnosticBag diagnosticsBag, Func`2 generatorFilter, CancellationToken cancellationToken) in /_/src/Compilers/Core/Portable/SourceGeneration/GeneratorDriver.cs:line 252
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03:12:41
@corngood:corngood.comCorngoodDo you have a minimal repro?12:26:53
@corngood:corngood.comCorngood I tried https://github.com/dotnet/roslyn-sdk/tree/main/samples/CSharp/SourceGenerators on dotnetCorePackages.sdk_8_0-source and it worked. 15:25:37
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