feature: teach rust-analyzer to discover `linked_projects` This PR's been a long-time coming, but like the title says, it introduces server-side project discovery and removes the extension hooks I previously introduced. I don't think this PR is ready to land, but here are the things I'm feeling squishy about: - I don't think I like the idea of introducing the `cargo-metadata` command-but-for-everything-else in the `flycheck` module, but the progress reporting infrastructure was too convenient to pass up. Happy to move it elsewhere. Here are the things I _know_ I need to change: - For progress reporting, I'm extracting from a `serde_json::Value` that corresponds to `tracing_subsciber::fmt::Layer`'s JSON output. I'd like to make this a bit more structured/documented than the current nonsense I wrote. - The progress reporting currently hardcodes "Buck"; it should be deriving that from the previously mentioned more-structured-output. - This doesn't handle *reloading* when a corresponding buildfile is changed. It should be doing that. <details> <summary>Anyway, here's a video of rust-analyzer discovering a Buck target.</summary> https://github.com/rust-lang/rust-analyzer/assets/2067774/be6cd9b9-2c9a-402d-847f-05f860a91df1 </details> |
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