Update clippy code

Author: GuillaumeGomez

src/tools/clippy/clippy_lints/src/doc/doc_suspicious_footnotes.rs

@@ -2,6 +2,7 @@ use clippy_utils::diagnostics::span_lint_and_then;
 use rustc_ast::attr::AttributeExt as _;
 use rustc_ast::token::{CommentKind, DocFragmentKind};
 use rustc_errors::Applicability;
+use rustc_hir::attrs::AttributeKind;
 use rustc_hir::{AttrStyle, Attribute};
 use rustc_lint::{LateContext, LintContext};
 
@@ -45,7 +46,13 @@ pub fn check(cx: &LateContext<'_>, doc: &str, range: Range<usize>, fragments: &F
                     if let DocFragmentKind::Sugared(_) = this_fragment.kind {
                         let (doc_attr, doc_attr_comment_kind, attr_style) = attrs
                             .iter()
-                            .filter(|attr| attr.span().overlaps(this_fragment.span))
+                            .filter(|attr| {
+                                matches!(
+                                    attr,
+                                    Attribute::Parsed(AttributeKind::DocComment { span, .. })
+                                    if span.overlaps(this_fragment.span),
+                                )
+                            })
                             .rev()
                             .find_map(|attr| {
                                 let (_, fragment) = attr.doc_str_and_fragment_kind()?;

src/tools/clippy/clippy_lints/src/doc/suspicious_doc_comments.rs

@@ -39,15 +39,15 @@ fn collect_doc_replacements(attrs: &[Attribute]) -> Vec<(Span, String)> {
         .filter_map(|attr| {
             if let Attribute::Parsed(AttributeKind::DocComment {
                 style: AttrStyle::Outer,
-                kind,
+                kind: DocFragmentKind::Sugared(comment_kind),
                 comment,
                 ..
             }) = attr
                 && let Some(com) = comment.as_str().strip_prefix('!')
             {
-                let sugg = match kind {
-                    DocFragmentKind::Sugared(CommentKind::Block) => format!("/*!{com}*/"),
-                    DocFragmentKind::Sugared(CommentKind::Line) | DocFragmentKind::Raw(_) => format!("//!{com}"),
+                let sugg = match comment_kind {
+                    CommentKind::Block => format!("/*!{com}*/"),
+                    CommentKind::Line => format!("//!{com}"),
                 };
                 Some((attr.span(), sugg))
             } else {

src/tools/clippy/clippy_utils/src/attrs.rs

@@ -2,7 +2,6 @@
 
 use crate::source::SpanRangeExt;
 use crate::{sym, tokenize_with_text};
-use rustc_ast::attr;
 use rustc_ast::attr::AttributeExt;
 use rustc_errors::Applicability;
 use rustc_hir::attrs::AttributeKind;
@@ -87,11 +86,7 @@ pub fn is_proc_macro(attrs: &[impl AttributeExt]) -> bool {
 
 /// Checks whether `attrs` contain `#[doc(hidden)]`
 pub fn is_doc_hidden(attrs: &[impl AttributeExt]) -> bool {
-    attrs
-        .iter()
-        .filter(|attr| attr.has_name(sym::doc))
-        .filter_map(AttributeExt::meta_item_list)
-        .any(|l| attr::list_contains_name(&l, sym::hidden))
+    attrs.iter().any(|attr| attr.is_doc_hidden())
 }
 
 /// Checks whether the given ADT, or any of its fields/variants, are marked as `#[non_exhaustive]`