Update clippy code to new doc attribute API

Author: GuillaumeGomez

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

@@ -1,10 +1,9 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use rustc_ast::attr::AttributeExt as _;
-use rustc_ast::token::CommentKind;
+use rustc_ast::token::{CommentKind, DocFragmentKind};
 use rustc_errors::Applicability;
 use rustc_hir::{AttrStyle, Attribute};
 use rustc_lint::{LateContext, LintContext};
-use rustc_resolve::rustdoc::DocFragmentKind;
 
 use std::ops::Range;
 
@@ -43,13 +42,18 @@ pub fn check(cx: &LateContext<'_>, doc: &str, range: Range<usize>, fragments: &F
                 span,
                 "looks like a footnote ref, but has no matching footnote",
                 |diag| {
-                    if this_fragment.kind == DocFragmentKind::SugaredDoc {
-                        let (doc_attr, (_, doc_attr_comment_kind), attr_style) = attrs
+                    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))
                             .rev()
                             .find_map(|attr| {
-                                Some((attr, attr.doc_str_and_comment_kind()?, attr.doc_resolution_scope()?))
+                                let (_, fragment) = attr.doc_str_and_fragment_kind()?;
+                                let fragment = match fragment {
+                                    DocFragmentKind::Sugared(kind) => kind,
+                                    DocFragmentKind::Raw(_) => CommentKind::Line,
+                                };
+                                Some((attr, fragment, attr.doc_resolution_scope()?))
                             })
                             .unwrap();
                         let (to_add, terminator) = match (doc_attr_comment_kind, attr_style) {

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

@@ -861,7 +861,7 @@ fn check_attrs(cx: &LateContext<'_>, valid_idents: &FxHashSet<String>, attrs: &[
 
     let (fragments, _) = attrs_to_doc_fragments(
         attrs.iter().filter_map(|attr| {
-            if attr.doc_str_and_comment_kind().is_none() || attr.span().in_external_macro(cx.sess().source_map()) {
+            if attr.doc_str_and_fragment_kind().is_none() || attr.span().in_external_macro(cx.sess().source_map()) {
                 None
             } else {
                 Some((attr, None))

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

@@ -1,6 +1,6 @@
 use clippy_utils::diagnostics::span_lint_and_then;
 use rustc_ast::AttrStyle;
-use rustc_ast::token::CommentKind;
+use rustc_ast::token::{CommentKind, DocFragmentKind};
 use rustc_errors::Applicability;
 use rustc_hir::Attribute;
 use rustc_hir::attrs::AttributeKind;
@@ -46,8 +46,8 @@ fn collect_doc_replacements(attrs: &[Attribute]) -> Vec<(Span, String)> {
                 && let Some(com) = comment.as_str().strip_prefix('!')
             {
                 let sugg = match kind {
-                    CommentKind::Line => format!("//!{com}"),
-                    CommentKind::Block => format!("/*!{com}*/"),
+                    DocFragmentKind::Sugared(CommentKind::Block) => format!("/*!{com}*/"),
+                    DocFragmentKind::Sugared(CommentKind::Line) | DocFragmentKind::Raw(_) => format!("//!{com}"),
                 };
                 Some((attr.span(), sugg))
             } else {