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Validate proc macro attributes in AST validation #108859

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cjgillot
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@cjgillot cjgillot commented Mar 7, 2023

This avoids visiting the crate in proc-macro expansion just for error reporting.

I'm not sure what to do in the #[test] case.

r? @petrochenkov

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Mar 7, 2023
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This avoids visiting the crate in proc-macro expansion just for error reporting.

Sorry, I don't understand, it looks like we are still visiting the crate in compiler/rustc_builtin_macros/src/proc_macro_harness.rs, even more than before (no has_proc_macro_decls shortcut now).

I'm not sure what to do in the #[test] case.

Could you elaborate, what's wrong with the #[test] (--test?) case?

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@rustbot rustbot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Mar 9, 2023
petrochenkov
petrochenkov reviewed Mar 9, 2023
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compiler/rustc_ast_passes/src/ast_validation.rs
@@ -799,9 +862,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> {
}

fn visit_item(&mut self, item: &'a Item) {
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Also, what happens if the proc-macro attributes are put on non-items?

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bors commented Mar 23, 2023

☔ The latest upstream changes (presumably #109503) made this pull request unmergeable. Please resolve the merge conflicts.

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@cjgillot
ping from triage - can you post your status on this PR? There hasn't been an update in a few months. Thanks!

@cjgillot cjgillot closed this Oct 1, 2023
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