diff --git a/clippy_lints/src/doc.rs b/clippy_lints/src/doc.rs index 9840affbf..5511c3ea9 100644 --- a/clippy_lints/src/doc.rs +++ b/clippy_lints/src/doc.rs @@ -1,3 +1,4 @@ +use clippy_utils::attrs::is_doc_hidden; use clippy_utils::diagnostics::{span_lint, span_lint_and_help, span_lint_and_note}; use clippy_utils::source::first_line_of_span; use clippy_utils::ty::{implements_trait, is_type_diagnostic_item}; @@ -297,6 +298,17 @@ fn lint_for_missing_headers<'tcx>( if !cx.access_levels.is_exported(def_id) { return; // Private functions do not require doc comments } + + // do not lint if any parent has `#[doc(hidden)]` attribute (#7347) + if cx + .tcx + .hir() + .parent_iter(cx.tcx.hir().local_def_id_to_hir_id(def_id)) + .any(|(id, _node)| is_doc_hidden(cx.tcx.hir().attrs(id))) + { + return; + } + if !headers.safety && sig.header.unsafety == hir::Unsafety::Unsafe { span_lint( cx, diff --git a/tests/ui/doc_unsafe.rs b/tests/ui/doc_unsafe.rs index 8f823f167..03bb30f90 100644 --- a/tests/ui/doc_unsafe.rs +++ b/tests/ui/doc_unsafe.rs @@ -115,3 +115,13 @@ fn main() { drive(); } } + +// do not lint if any parent has `#[doc(hidden)]` attribute +// see #7347 +#[doc(hidden)] +pub mod __macro { + pub struct T; + impl T { + pub unsafe fn f() {} + } +}