Rustup (rust-lang#14163)

r? @ghost

changelog: none

Author: flip1995

book/src/development/adding_lints.md

@@ -788,7 +788,7 @@ don't hesitate to ask on [Zulip] or in the issue/PR.
 [`snippet`]: https://doc.rust-lang.org/nightly/nightly-rustc/clippy_utils/source/fn.snippet.html
 [let-chains]: https://github.com/rust-lang/rust/pull/94927
 [from_expansion]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_span/struct.Span.html#method.from_expansion
-[in_external_macro]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/lint/fn.in_external_macro.html
+[in_external_macro]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_span/struct.Span.html#method.in_external_macro
 [span]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_span/struct.Span.html
 [applicability]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_errors/enum.Applicability.html
 [rustc-dev-guide]: https://rustc-dev-guide.rust-lang.org/

book/src/development/common_tools_writing_lints.md

@@ -218,7 +218,7 @@ functions to deal with macros:
   > context. And so just using `span.from_expansion()` is often good enough.
 
 
-- `in_external_macro(span)`: detect if the given span is from a macro defined in
+- `span.in_external_macro(sm)`: detect if the given span is from a macro defined in
   a foreign crate. If you want the lint to work with macro-generated code, this
   is the next line of defense to avoid macros not defined in the current crate.
   It doesn't make sense to lint code that the coder can't change.
@@ -227,15 +227,13 @@ functions to deal with macros:
   crates
 
   ```rust
-  use rustc_middle::lint::in_external_macro;
-
   use a_crate_with_macros::foo;
 
   // `foo` is defined in `a_crate_with_macros`
   foo!("bar");
 
   // if we lint the `match` of `foo` call and test its span
-  assert_eq!(in_external_macro(cx.sess(), match_span), true);
+  assert_eq!(match_span.in_external_macro(cx.sess().source_map()), true);
   ```
 
 - `span.ctxt()`: the span's context represents whether it is from expansion, and

book/src/development/macro_expansions.md

@@ -120,7 +120,7 @@ assert_ne!(x_is_some_span.ctxt(), x_unwrap_span.ctxt());
 
 ### The `in_external_macro` function
 
-`rustc_middle::lint` provides a function ([`in_external_macro`]) that can
+`Span` provides a method ([`in_external_macro`]) that can
 detect if the given span is from a macro defined in a foreign crate.
 
 Therefore, if we really want a new lint to work with macro-generated code,
@@ -144,7 +144,7 @@ Also assume that we get the corresponding variable `foo_span` for the
 results in `true` (note that `cx` can be `EarlyContext` or `LateContext`):
 
 ```rust
-if in_external_macro(cx.sess(), foo_span) {
+if foo_span.in_external_macro(cx.sess().source_map()) {
     // We should ignore macro from a foreign crate.
     return;
 }
@@ -153,6 +153,6 @@ if in_external_macro(cx.sess(), foo_span) {
 [`ctxt`]: https://doc.rust-lang.org/stable/nightly-rustc/rustc_span/struct.Span.html#method.ctxt
 [expansion]: https://rustc-dev-guide.rust-lang.org/macro-expansion.html#expansion-and-ast-integration
 [`from_expansion`]: https://doc.rust-lang.org/stable/nightly-rustc/rustc_span/struct.Span.html#method.from_expansion
-[`in_external_macro`]: https://doc.rust-lang.org/stable/nightly-rustc/rustc_middle/lint/fn.in_external_macro.html
+[`in_external_macro`]: https://doc.rust-lang.org/stable/nightly-rustc/rustc_span/struct.Span.html#method.in_external_macro
 [Span]: https://doc.rust-lang.org/stable/nightly-rustc/rustc_span/struct.Span.html
 [SyntaxContext]: https://doc.rust-lang.org/stable/nightly-rustc/rustc_span/hygiene/struct.SyntaxContext.html

clippy_dev/src/update_lints.rs

@@ -985,17 +985,23 @@ mod tests {
             Lint::new("incorrect_match", "group1", "\"abc\"", "module_name", Range::default()),
         ];
         let mut expected: HashMap<String, Vec<Lint>> = HashMap::new();
-        expected.insert("group1".to_string(), vec![
-            Lint::new("should_assert_eq", "group1", "\"abc\"", "module_name", Range::default()),
-            Lint::new("incorrect_match", "group1", "\"abc\"", "module_name", Range::default()),
-        ]);
-        expected.insert("group2".to_string(), vec![Lint::new(
-            "should_assert_eq2",
-            "group2",
-            "\"abc\"",
-            "module_name",
-            Range::default(),
-        )]);
+        expected.insert(
+            "group1".to_string(),
+            vec![
+                Lint::new("should_assert_eq", "group1", "\"abc\"", "module_name", Range::default()),
+                Lint::new("incorrect_match", "group1", "\"abc\"", "module_name", Range::default()),
+            ],
+        );
+        expected.insert(
+            "group2".to_string(),
+            vec![Lint::new(
+                "should_assert_eq2",
+                "group2",
+                "\"abc\"",
+                "module_name",
+                Range::default(),
+            )],
+        );
         assert_eq!(expected, Lint::by_lint_group(lints.into_iter()));
     }
 }

clippy_lints/src/almost_complete_range.rs

@@ -5,7 +5,6 @@ use clippy_utils::source::{trim_span, walk_span_to_context};
 use rustc_ast::ast::{Expr, ExprKind, LitKind, Pat, PatKind, RangeEnd, RangeLimits};
 use rustc_errors::Applicability;
 use rustc_lint::{EarlyContext, EarlyLintPass, LintContext};
-use rustc_middle::lint::in_external_macro;
 use rustc_session::impl_lint_pass;
 
 declare_clippy_lint! {
@@ -45,7 +44,7 @@ impl EarlyLintPass for AlmostCompleteRange {
     fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &Expr) {
         if let ExprKind::Range(Some(start), Some(end), RangeLimits::HalfOpen) = &e.kind
             && is_incomplete_range(start, end)
-            && !in_external_macro(cx.sess(), e.span)
+            && !e.span.in_external_macro(cx.sess().source_map())
         {
             span_lint_and_then(
                 cx,
@@ -74,7 +73,7 @@ impl EarlyLintPass for AlmostCompleteRange {
         if let PatKind::Range(Some(start), Some(end), kind) = &p.kind
             && matches!(kind.node, RangeEnd::Excluded)
             && is_incomplete_range(start, end)
-            && !in_external_macro(cx.sess(), p.span)
+            && !p.span.in_external_macro(cx.sess().source_map())
         {
             span_lint_and_then(
                 cx,

clippy_lints/src/arbitrary_source_item_ordering.rs

@@ -9,7 +9,6 @@ use rustc_hir::{
     Variant, VariantData,
 };
 use rustc_lint::{LateContext, LateLintPass, LintContext};
-use rustc_middle::lint::in_external_macro;
 use rustc_session::impl_lint_pass;
 
 declare_clippy_lint! {
@@ -248,7 +247,7 @@ impl<'tcx> LateLintPass<'tcx> for ArbitrarySourceItemOrdering {
             ItemKind::Enum(enum_def, _generics) if self.enable_ordering_for_enum => {
                 let mut cur_v: Option<&Variant<'_>> = None;
                 for variant in enum_def.variants {
-                    if in_external_macro(cx.sess(), variant.span) {
+                    if variant.span.in_external_macro(cx.sess().source_map()) {
                         continue;
                     }
 
@@ -263,7 +262,7 @@ impl<'tcx> LateLintPass<'tcx> for ArbitrarySourceItemOrdering {
             ItemKind::Struct(VariantData::Struct { fields, .. }, _generics) if self.enable_ordering_for_struct => {
                 let mut cur_f: Option<&FieldDef<'_>> = None;
                 for field in *fields {
-                    if in_external_macro(cx.sess(), field.span) {
+                    if field.span.in_external_macro(cx.sess().source_map()) {
                         continue;
                     }
 
@@ -281,7 +280,7 @@ impl<'tcx> LateLintPass<'tcx> for ArbitrarySourceItemOrdering {
                 let mut cur_t: Option<&TraitItemRef> = None;
 
                 for item in *item_ref {
-                    if in_external_macro(cx.sess(), item.span) {
+                    if item.span.in_external_macro(cx.sess().source_map()) {
                         continue;
                     }
 
@@ -304,7 +303,7 @@ impl<'tcx> LateLintPass<'tcx> for ArbitrarySourceItemOrdering {
                 let mut cur_t: Option<&ImplItemRef> = None;
 
                 for item in trait_impl.items {
-                    if in_external_macro(cx.sess(), item.span) {
+                    if item.span.in_external_macro(cx.sess().source_map()) {
                         continue;
                     }
 
@@ -348,7 +347,7 @@ impl<'tcx> LateLintPass<'tcx> for ArbitrarySourceItemOrdering {
         // as no sorting by source map/line of code has to be applied.
         //
         for item in items {
-            if in_external_macro(cx.sess(), item.span) {
+            if item.span.in_external_macro(cx.sess().source_map()) {
                 continue;
             }
 

clippy_lints/src/as_conversions.rs

@@ -2,7 +2,6 @@ use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::is_from_proc_macro;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::{LateContext, LateLintPass, LintContext};
-use rustc_middle::lint::in_external_macro;
 use rustc_session::declare_lint_pass;
 
 declare_clippy_lint! {
@@ -49,7 +48,7 @@ declare_lint_pass!(AsConversions => [AS_CONVERSIONS]);
 impl<'tcx> LateLintPass<'tcx> for AsConversions {
     fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) {
         if let ExprKind::Cast(_, _) = expr.kind
-            && !in_external_macro(cx.sess(), expr.span)
+            && !expr.span.in_external_macro(cx.sess().source_map())
             && !is_from_proc_macro(cx, expr)
         {
             #[expect(clippy::collapsible_span_lint_calls, reason = "rust-clippy#7797")]

clippy_lints/src/attrs/allow_attributes.rs

@@ -4,11 +4,10 @@ use clippy_utils::is_from_proc_macro;
 use rustc_ast::{AttrStyle, Attribute};
 use rustc_errors::Applicability;
 use rustc_lint::{EarlyContext, LintContext};
-use rustc_middle::lint::in_external_macro;
 
 // Separate each crate's features.
 pub fn check<'cx>(cx: &EarlyContext<'cx>, attr: &'cx Attribute) {
-    if !in_external_macro(cx.sess(), attr.span)
+    if !attr.span.in_external_macro(cx.sess().source_map())
         && let AttrStyle::Outer = attr.style
         && let Some(ident) = attr.ident()
         && !is_from_proc_macro(cx, attr)

clippy_lints/src/attrs/allow_attributes_without_reason.rs

@@ -3,7 +3,6 @@ use clippy_utils::diagnostics::span_lint_and_then;
 use clippy_utils::is_from_proc_macro;
 use rustc_ast::{MetaItemInner, MetaItemKind};
 use rustc_lint::{EarlyContext, LintContext};
-use rustc_middle::lint::in_external_macro;
 use rustc_span::sym;
 use rustc_span::symbol::Symbol;
 
@@ -17,7 +16,7 @@ pub(super) fn check<'cx>(cx: &EarlyContext<'cx>, name: Symbol, items: &[MetaItem
     }
 
     // Check if the attribute is in an external macro and therefore out of the developer's control
-    if in_external_macro(cx.sess(), attr.span) || is_from_proc_macro(cx, attr) {
+    if attr.span.in_external_macro(cx.sess().source_map()) || is_from_proc_macro(cx, attr) {
         return;
     }
 

clippy_lints/src/attrs/useless_attribute.rs

@@ -5,14 +5,13 @@ use clippy_utils::source::{SpanRangeExt, first_line_of_span};
 use rustc_ast::{Attribute, Item, ItemKind};
 use rustc_errors::Applicability;
 use rustc_lint::{EarlyContext, LintContext};
-use rustc_middle::lint::in_external_macro;
 use rustc_span::sym;
 
 pub(super) fn check(cx: &EarlyContext<'_>, item: &Item, attrs: &[Attribute]) {
     let skip_unused_imports = attrs.iter().any(|attr| attr.has_name(sym::macro_use));
 
     for attr in attrs {
-        if in_external_macro(cx.sess(), attr.span) {
+        if attr.span.in_external_macro(cx.sess().source_map()) {
             return;
         }
         if let Some(lint_list) = &attr.meta_item_list() {