c48dcf7411
3549: Implement env! macro r=matklad a=edwin0cheng This PR implements `env!` macro by adding following things: 1. Added `additional_outdirs` settings in vscode. (naming to be bikeshed) 2. Added `ExternSourceId` which is a wrapping for SourceRootId but only used in extern sources. It is because `OUT_DIR` is not belonged to any crate and we have to access it behind an `AstDatabase`. 3. This PR does not implement the `OUT_DIR` parsing from `cargo check`. I don't have general design about this, @kiljacken could we reuse some cargo watch code for that ? ~~Block on [#3536]~~ PS: After this PR , we (kind of) completed the `include!(concat!(env!('OUT_DIR'), "foo.rs")` macro call combo. [Exodia Obliterate!](https://www.youtube.com/watch?v=RfqNH3FoGi0) Co-authored-by: Edwin Cheng <edwin0cheng@gmail.com> |
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