expand: Turn ast::Crate into a first class expansion target
#91313
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And stop creating a fake `mod` item for the crate root when expanding a crate.
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| let mut fold_crate = |krate: ast::Crate| { | ||
| let mut krate = match self.configure(krate) { | ||
| Some(krate) => krate, | ||
| None => return empty_crate(), |
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Can the entire crate really be removed with something like #![cfg(FALSE)]? Is there a test case for this?
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Yes, libcore has #![cfg(not(test))] in its root in particular.
There are some tests for this as well, e.g. src\test\ui\issues\issue-34932.rs and src\test\ui\conditional-compilation\cfg-in-crate-1.rs.
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@bors r+ |
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📌 Commit 141c6cc has been approved by |
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…askrgr Rollup of 5 pull requests Successful merges: - rust-lang#88502 (Add slice take methods) - rust-lang#91313 (expand: Turn `ast::Crate` into a first class expansion target) - rust-lang#91424 (Update LLVM with patches for better llvm-cov diagnostics) - rust-lang#91425 (Include lint errors in error count for `-Ztreat-err-as-bug`) - rust-lang#91430 (Add tests for `normalize-docs` overflow errors) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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ast: Avoid aborts on fatal errors thrown from mutable AST visitor Set the node to some dummy value and rethrow the error instead. When using the old aborting `visit_clobber` in `InvocationCollector::visit_crate` the next tests abort due to fatal errors: ``` ui\modules\path-invalid-form.rs ui\modules\path-macro.rs ui\modules\path-no-file-name.rs ui\parser\issues\issue-5806.rs ui\parser\mod_file_with_path_attr.rs ``` Follow up to rust-lang#91313.
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ast: Always keep a `NodeId` in `ast::Crate` This makes it more uniform with other expanded nodes. It makes generic code in rust-lang#92573 simpler in particular. This is another follow-up to rust-lang#91313. r? `@Aaron1011`
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And stop creating a fake
moditem for the crate root when expanding a crate, thus addressing FIXMEs left in #82238, and making a step towards a proper support for crate-level macro attributes (cc #54726).I haven't added token collection support for the whole crate in this PR, maybe later.
r? @Aaron1011