diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 41bd3933fee..09e1390cc3e 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -194,7 +194,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { node => unreachable!("{node:?}"), }; - // Try to get the span of the identifier within the expression's syntax context (if that's different). + // Try to get the span of the identifier within the expression's syntax context + // (if that's different). let within_macro_span = span.within_macro(expr_span); // Avoid suggestions when we don't know what's going on. diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 0e14e7671b1..c86305e23d1 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -429,6 +429,12 @@ impl<'ast, 'ra: 'ast, 'tcx> LateResolutionVisitor<'_, 'ast, 'ra, 'tcx> { let mut err = self.r.dcx().struct_span_err(base_error.span, base_error.msg.clone()); err.code(code); + // Try to get the span of the identifier within the path's syntax context + // (if that's different). + if let Some(within_macro_span) = base_error.span.within_macro(span) { + err.span_label(within_macro_span, "within this macro"); + } + self.detect_missing_binding_available_from_pattern(&mut err, path, following_seg); self.suggest_at_operator_in_slice_pat_with_range(&mut err, path); self.suggest_swapping_misplaced_self_ty_and_trait(&mut err, source, res, base_error.span); diff --git a/tests/ui/hygiene/generate-mod.stderr b/tests/ui/hygiene/generate-mod.stderr index 32a2e145ca9..58b9c642dab 100644 --- a/tests/ui/hygiene/generate-mod.stderr +++ b/tests/ui/hygiene/generate-mod.stderr @@ -1,12 +1,18 @@ error[E0412]: cannot find type `FromOutside` in this scope --> $DIR/generate-mod.rs:35:13 | +LL | type A = $FromOutside; + | ------------ due to this macro variable +... LL | genmod!(FromOutside, Outer); | ^^^^^^^^^^^ not found in this scope error[E0412]: cannot find type `Outer` in this scope --> $DIR/generate-mod.rs:35:26 | +LL | struct $Outer; + | ------ due to this macro variable +... LL | genmod!(FromOutside, Outer); | ^^^^^ not found in this scope diff --git a/tests/ui/hygiene/globs.stderr b/tests/ui/hygiene/globs.stderr index 3f7a0ae7efa..31f25b182f1 100644 --- a/tests/ui/hygiene/globs.stderr +++ b/tests/ui/hygiene/globs.stderr @@ -50,6 +50,9 @@ error[E0425]: cannot find function `f` in this scope LL | n!(f); | ----- in this macro invocation ... +LL | $j(); + | -- due to this macro variable +... LL | n!(f); | ^ not found in this scope | @@ -63,6 +66,9 @@ error[E0425]: cannot find function `f` in this scope LL | n!(f); | ----- in this macro invocation ... +LL | $j(); + | -- due to this macro variable +... LL | f | ^ not found in this scope | diff --git a/tests/ui/macros/macro-parameter-span.stderr b/tests/ui/macros/macro-parameter-span.stderr index 247750a8ad7..44c8c56dff9 100644 --- a/tests/ui/macros/macro-parameter-span.stderr +++ b/tests/ui/macros/macro-parameter-span.stderr @@ -1,6 +1,9 @@ error[E0425]: cannot find value `x` in this scope --> $DIR/macro-parameter-span.rs:11:9 | +LL | $id + | --- due to this macro variable +... LL | x | ^ not found in this scope diff --git a/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr b/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr index ce7694ecb1d..d9646760cea 100644 --- a/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr +++ b/tests/ui/macros/rfc-3086-metavar-expr/syntax-errors.stderr @@ -338,6 +338,9 @@ LL | no_curly__no_rhs_dollar__no_round!(a); error[E0425]: cannot find value `a` in this scope --> $DIR/syntax-errors.rs:152:37 | +LL | ( $i:ident ) => { count($i) }; + | -- due to this macro variable +... LL | no_curly__rhs_dollar__no_round!(a); | ^ not found in this scope