feature: Declare proc-macro dependent crates in rust-project.json#9752
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Excellent, thank you! bors r+ |
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changelog feature (first contribution) support |
ojeda
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Aug 26, 2021
…ro field rust-analyzer now doesn't complain about unresolved imports anymore inside of the rust/macros crate. Upstream PR which added the field: rust-lang/rust-analyzer#9752 Signed-off-by: Boris-Chengbiao Zhou <bobo1239@web.de>
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This adds the
is_proc_macroflag inrust-project.json. By default, this isfalseand not required, so existing projects won't break/have the same behavior as before this change. If the flag is true, a dependency to theproc_macrosysroot crate is added (if it exists), so that rust-analyzer can resolve those imports.This fixes #9726 .
I've also added some tests in the second commit. The first is a smoke test for a basic, minimal
rust-project.jsonfile. The second is a more targeted test for the flag. Both tests depend on the fake sysroot (a bunch of directories in the correct layout with emptylib.rsfiles), and also onenv!("CARGO_MANIFEST_DIR")being an absolute path. I'm not sure if the later assumption is valid on all platforms. I wanted to at least try and add tests, but I'm happy to rework them or remove them if you don't think that's the way to go.(You can license/relicense my contribution in any way you wish without contacting me.)