Simplify find_attr! for HirId usage#153582
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Some changes occurred to the CTFE machinery Some changes occurred in src/tools/clippy cc @rust-lang/clippy Some changes occurred in compiler/rustc_hir/src/attrs |
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This PR was rebased onto a different main commit. Here's a range-diff highlighting what actually changed. Rebasing is a normal part of keeping PRs up to date, so no action is needed—this note is just to help reviewers. |
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r? JonathanBrouwer |
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Mar 9, 2026
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Sure Jonathan, I will do that tomorrow! |
Add a HasAttrs<'tcx, Tcx> trait to rustc_hir that allows find_attr! to accept DefId, LocalDefId, OwnerId, and HirId directly, instead of requiring callers to manually fetch the attribute slice first. Before: find_attr!(tcx.hir_attrs(hir_id), SomeAttr) After: find_attr!(tcx, hir_id, SomeAttr) The trait is defined in rustc_hir with a generic Tcx parameter to avoid a dependency cycle (rustc_hir cannot depend on rustc_middle). The four concrete impls for TyCtxt are in rustc_middle. Closes rust-lang#153103
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Add a
HasAttrs<'tcx, Tcx>trait torustc_hirthat allowsfind_attr!to acceptDefId,LocalDefId,OwnerId, andHirIddirectly, instead of requiring callers to manually fetch the attribute slice first.Before:
find_attr!(tcx.hir_attrs(hir_id), SomeAttr)After:
find_attr!(tcx, hir_id, SomeAttr)The trait is defined in
rustc_hirwith a genericTcxparameter to avoid a dependency cycle (rustc_hircannot depend onrustc_middle). The four concrete impls forTyCtxtare inrustc_middle.