Auto merge of rust-lang#133047 - matthiaskrgr:rollup-9se1vth, r=matthiaskrgr

Rollup of 4 pull requests

Successful merges:

 - rust-lang#128197 (Skip locking span interner for some syntax context checks)
 - rust-lang#133040 ([rustdoc] Fix handling of footnote reference in footnote definition)
 - rust-lang#133043 (rustdoc-search: case-sensitive only when capitals are used)
 - rust-lang#133046 (Clippy subtree update)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

compiler/rustc_span/src/lib.rs

@@ -559,12 +559,6 @@ impl Span {
         !self.is_dummy() && sm.is_span_accessible(self)
     }
 
-    /// Returns `true` if this span comes from any kind of macro, desugaring or inlining.
-    #[inline]
-    pub fn from_expansion(self) -> bool {
-        !self.ctxt().is_root()
-    }
-
     /// Returns `true` if `span` originates in a derive-macro's expansion.
     pub fn in_derive_expansion(self) -> bool {
         matches!(self.ctxt().outer_expn_data().kind, ExpnKind::Macro(MacroKind::Derive, _))

compiler/rustc_span/src/span_encoding.rs

@@ -303,6 +303,13 @@ impl Span {
         }
     }
 
+    /// Returns `true` if this span comes from any kind of macro, desugaring or inlining.
+    #[inline]
+    pub fn from_expansion(self) -> bool {
+        // If the span is fully inferred then ctxt > MAX_CTXT
+        self.inline_ctxt().map_or(true, |ctxt| !ctxt.is_root())
+    }
+
     /// Returns `true` if this is a dummy span with any hygienic context.
     #[inline]
     pub fn is_dummy(self) -> bool {
@@ -370,9 +377,10 @@ impl Span {
     pub fn eq_ctxt(self, other: Span) -> bool {
         match (self.inline_ctxt(), other.inline_ctxt()) {
             (Ok(ctxt1), Ok(ctxt2)) => ctxt1 == ctxt2,
-            (Ok(ctxt), Err(index)) | (Err(index), Ok(ctxt)) => {
-                with_span_interner(|interner| ctxt == interner.spans[index].ctxt)
-            }
+            // If `inline_ctxt` returns `Ok` the context is <= MAX_CTXT.
+            // If it returns `Err` the span is fully interned and the context is > MAX_CTXT.
+            // As these do not overlap an `Ok` and `Err` result cannot have an equal context.
+            (Ok(_), Err(_)) | (Err(_), Ok(_)) => false,
             (Err(index1), Err(index2)) => with_span_interner(|interner| {
                 interner.spans[index1].ctxt == interner.spans[index2].ctxt
             }),

src/librustdoc/html/markdown/footnotes.rs

@@ -1,7 +1,7 @@
 //! Markdown footnote handling.
 use std::fmt::Write as _;
 
-use pulldown_cmark::{Event, Tag, TagEnd, html};
+use pulldown_cmark::{CowStr, Event, Tag, TagEnd, html};
 use rustc_data_structures::fx::FxIndexMap;
 
 use super::SpannedEvent;
@@ -21,7 +21,7 @@ struct FootnoteDef<'a> {
     id: usize,
 }
 
-impl<'a, 'b, I> Footnotes<'a, 'b, I> {
+impl<'a, 'b, I: Iterator<Item = SpannedEvent<'a>>> Footnotes<'a, 'b, I> {
     pub(super) fn new(iter: I, existing_footnotes: &'b mut usize) -> Self {
         Footnotes { inner: iter, footnotes: FxIndexMap::default(), existing_footnotes }
     }
@@ -34,31 +34,50 @@ impl<'a, 'b, I> Footnotes<'a, 'b, I> {
         // Don't allow changing the ID of existing entrys, but allow changing the contents.
         (content, *id)
     }
+
+    fn handle_footnote_reference(&mut self, reference: &CowStr<'a>) -> Event<'a> {
+        // When we see a reference (to a footnote we may not know) the definition of,
+        // reserve a number for it, and emit a link to that number.
+        let (_, id) = self.get_entry(reference);
+        let reference = format!(
+            "<sup id=\"fnref{0}\"><a href=\"#fn{0}\">{1}</a></sup>",
+            id,
+            // Although the ID count is for the whole page, the footnote reference
+            // are local to the item so we make this ID "local" when displayed.
+            id - *self.existing_footnotes
+        );
+        Event::Html(reference.into())
+    }
+
+    fn collect_footnote_def(&mut self) -> Vec<Event<'a>> {
+        let mut content = Vec::new();
+        while let Some((event, _)) = self.inner.next() {
+            match event {
+                Event::End(TagEnd::FootnoteDefinition) => break,
+                Event::FootnoteReference(ref reference) => {
+                    content.push(self.handle_footnote_reference(reference));
+                }
+                event => content.push(event),
+            }
+        }
+        content
+    }
 }
 
 impl<'a, 'b, I: Iterator<Item = SpannedEvent<'a>>> Iterator for Footnotes<'a, 'b, I> {
     type Item = SpannedEvent<'a>;
 
     fn next(&mut self) -> Option<Self::Item> {
         loop {
-            match self.inner.next() {
+            let next = self.inner.next();
+            match next {
                 Some((Event::FootnoteReference(ref reference), range)) => {
-                    // When we see a reference (to a footnote we may not know) the definition of,
-                    // reserve a number for it, and emit a link to that number.
-                    let (_, id) = self.get_entry(reference);
-                    let reference = format!(
-                        "<sup id=\"fnref{0}\"><a href=\"#fn{0}\">{1}</a></sup>",
-                        id,
-                        // Although the ID count is for the whole page, the footnote reference
-                        // are local to the item so we make this ID "local" when displayed.
-                        id - *self.existing_footnotes
-                    );
-                    return Some((Event::Html(reference.into()), range));
+                    return Some((self.handle_footnote_reference(reference), range));
                 }
                 Some((Event::Start(Tag::FootnoteDefinition(def)), _)) => {
                     // When we see a footnote definition, collect the assocated content, and store
                     // that for rendering later.
-                    let content = collect_footnote_def(&mut self.inner);
+                    let content = self.collect_footnote_def();
                     let (entry_content, _) = self.get_entry(&def);
                     *entry_content = content;
                 }
@@ -80,17 +99,6 @@ impl<'a, 'b, I: Iterator<Item = SpannedEvent<'a>>> Iterator for Footnotes<'a, 'b
     }
 }
 
-fn collect_footnote_def<'a>(events: impl Iterator<Item = SpannedEvent<'a>>) -> Vec<Event<'a>> {
-    let mut content = Vec::new();
-    for (event, _) in events {
-        if let Event::End(TagEnd::FootnoteDefinition) = event {
-            break;
-        }
-        content.push(event);
-    }
-    content
-}
-
 fn render_footnotes_defs(mut footnotes: Vec<FootnoteDef<'_>>) -> String {
     let mut ret = String::from("<div class=\"footnotes\"><hr><ol>");
 

src/librustdoc/html/static/js/search.js

@@ -2667,6 +2667,7 @@ class DocSearch {
         const sortResults = async(results, typeInfo, preferredCrate) => {
             const userQuery = parsedQuery.userQuery;
             const normalizedUserQuery = parsedQuery.userQuery.toLowerCase();
+            const isMixedCase = normalizedUserQuery !== userQuery;
             const result_list = [];
             for (const result of results.values()) {
                 result.item = this.searchIndex[result.id];
@@ -2678,10 +2679,12 @@ class DocSearch {
                 let a, b;
 
                 // sort by exact case-sensitive match
-                a = (aaa.item.name !== userQuery);
-                b = (bbb.item.name !== userQuery);
-                if (a !== b) {
-                    return a - b;
+                if (isMixedCase) {
+                    a = (aaa.item.name !== userQuery);
+                    b = (bbb.item.name !== userQuery);
+                    if (a !== b) {
+                        return a - b;
+                    }
                 }
 
                 // sort by exact match with regard to the last word (mismatch goes later)

src/tools/clippy/CHANGELOG.md

@@ -6071,6 +6071,7 @@ Released 2018-09-13
 [`unnecessary_literal_bound`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_literal_bound
 [`unnecessary_literal_unwrap`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_literal_unwrap
 [`unnecessary_map_on_constructor`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_map_on_constructor
+[`unnecessary_map_or`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_map_or
 [`unnecessary_min_or_max`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_min_or_max
 [`unnecessary_mut_passed`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
 [`unnecessary_operation`]: https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_operation

src/tools/clippy/clippy_dev/src/setup/vscode.rs

@@ -84,7 +84,7 @@ fn delete_vs_task_file(path: &Path) -> bool {
 /// It may fail silently.
 fn try_delete_vs_directory_if_empty() {
     let path = Path::new(VSCODE_DIR);
-    if path.read_dir().map_or(false, |mut iter| iter.next().is_none()) {
+    if path.read_dir().is_ok_and(|mut iter| iter.next().is_none()) {
         // The directory is empty. We just try to delete it but allow a silence
         // fail as an empty `.vscode` directory is still valid
         let _silence_result = fs::remove_dir(path);

src/tools/clippy/clippy_lints/src/attrs/useless_attribute.rs

@@ -16,7 +16,7 @@ pub(super) fn check(cx: &EarlyContext<'_>, item: &Item, attrs: &[Attribute]) {
             return;
         }
         if let Some(lint_list) = &attr.meta_item_list() {
-            if attr.ident().map_or(false, |ident| is_lint_level(ident.name, attr.id)) {
+            if attr.ident().is_some_and(|ident| is_lint_level(ident.name, attr.id)) {
                 for lint in lint_list {
                     match item.kind {
                         ItemKind::Use(..) => {

src/tools/clippy/clippy_lints/src/attrs/utils.rs

@@ -50,7 +50,7 @@ fn is_relevant_block(cx: &LateContext<'_>, typeck_results: &ty::TypeckResults<'_
         block
             .expr
             .as_ref()
-            .map_or(false, |e| is_relevant_expr(cx, typeck_results, e)),
+            .is_some_and(|e| is_relevant_expr(cx, typeck_results, e)),
         |stmt| match &stmt.kind {
             StmtKind::Let(_) => true,
             StmtKind::Expr(expr) | StmtKind::Semi(expr) => is_relevant_expr(cx, typeck_results, expr),
@@ -60,7 +60,7 @@ fn is_relevant_block(cx: &LateContext<'_>, typeck_results: &ty::TypeckResults<'_
 }
 
 fn is_relevant_expr(cx: &LateContext<'_>, typeck_results: &ty::TypeckResults<'_>, expr: &Expr<'_>) -> bool {
-    if macro_backtrace(expr.span).last().map_or(false, |macro_call| {
+    if macro_backtrace(expr.span).last().is_some_and(|macro_call| {
         is_panic(cx, macro_call.def_id) || cx.tcx.item_name(macro_call.def_id) == sym::unreachable
     }) {
         return false;

src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs

@@ -60,8 +60,8 @@ fn is_impl_not_trait_with_bool_out<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -
                 trait_id,
             )
         })
-        .map_or(false, |assoc_item| {
-            let proj = Ty::new_projection_from_args(cx.tcx, assoc_item.def_id, cx.tcx.mk_args_trait(ty, []));
+        .is_some_and(|assoc_item| {
+            let proj = Ty::new_projection(cx.tcx, assoc_item.def_id, cx.tcx.mk_args_trait(ty, []));
             let nty = cx.tcx.normalize_erasing_regions(cx.param_env, proj);
 
             nty.is_bool()

src/tools/clippy/clippy_lints/src/booleans.rs

@@ -667,5 +667,5 @@ fn implements_ord(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool {
     let ty = cx.typeck_results().expr_ty(expr);
     cx.tcx
         .get_diagnostic_item(sym::Ord)
-        .map_or(false, |id| implements_trait(cx, ty, id, &[]))
+        .is_some_and(|id| implements_trait(cx, ty, id, &[]))
 }