diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index e71c5676ce4f5..4ba3b079bd565 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -592,10 +592,7 @@ lint_non_local_definitions_cargo_update = the {$macro_kind} `{$macro_name}` may lint_non_local_definitions_deprecation = this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue lint_non_local_definitions_impl = non-local `impl` definition, `impl` blocks should be written at the same level as their item - .remove_help = remove `{$may_remove_part}` to make the `impl` local - .without_trait = methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` - .with_trait = an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` - .bounds = `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type + .non_local = an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` .doctest = make this doc-test a standalone test with its own `fn main() {"{"} ... {"}"}` .exception = items in an anonymous const item (`const _: () = {"{"} ... {"}"}`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint .const_anon = use a const-anon item to suppress this lint @@ -617,12 +614,6 @@ lint_non_local_definitions_macro_rules = non-local `macro_rules!` definition, `# remove the `#[macro_export]` or make this doc-test a standalone test with its own `fn main() {"{"} ... {"}"}` .non_local = a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute -lint_non_local_definitions_may_move = may need to be moved as well - -lint_non_local_definitions_of_trait_not_local = `{$of_trait_str}` is not local - -lint_non_local_definitions_self_ty_not_local = `{$self_ty_str}` is not local - lint_non_snake_case = {$sort} `{$name}` should have a snake case name .rename_or_convert_suggestion = rename the identifier or convert it to a snake case raw identifier .cannot_convert_note = `{$sc}` cannot be used as a raw identifier diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 76002cc842581..ba287e0e69898 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -1375,12 +1375,7 @@ pub(crate) enum NonLocalDefinitionsDiag { body_name: String, cargo_update: Option, const_anon: Option>, - move_to: Option<(Span, Vec)>, doctest: bool, - may_remove: Option<(Span, String)>, - has_trait: bool, - self_ty_str: String, - of_trait_str: Option, macro_to_change: Option<(String, &'static str)>, }, MacroRules { @@ -1401,22 +1396,13 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { body_name, cargo_update, const_anon, - move_to, doctest, - may_remove, - has_trait, - self_ty_str, - of_trait_str, macro_to_change, } => { diag.primary_message(fluent::lint_non_local_definitions_impl); diag.arg("depth", depth); diag.arg("body_kind_descr", body_kind_descr); diag.arg("body_name", body_name); - diag.arg("self_ty_str", self_ty_str); - if let Some(of_trait_str) = of_trait_str { - diag.arg("of_trait_str", of_trait_str); - } if let Some((macro_to_change, macro_kind)) = macro_to_change { diag.arg("macro_to_change", macro_to_change); @@ -1427,34 +1413,12 @@ impl<'a> LintDiagnostic<'a, ()> for NonLocalDefinitionsDiag { diag.subdiagnostic(cargo_update); } - if has_trait { - diag.note(fluent::lint_bounds); - diag.note(fluent::lint_with_trait); - } else { - diag.note(fluent::lint_without_trait); - } + diag.note(fluent::lint_non_local); - if let Some((move_help, may_move)) = move_to { - let mut ms = MultiSpan::from_span(move_help); - for sp in may_move { - ms.push_span_label(sp, fluent::lint_non_local_definitions_may_move); - } - diag.span_help(ms, fluent::lint_non_local_definitions_impl_move_help); - } if doctest { diag.help(fluent::lint_doctest); } - if let Some((span, part)) = may_remove { - diag.arg("may_remove_part", part); - diag.span_suggestion( - span, - fluent::lint_remove_help, - "", - Applicability::MaybeIncorrect, - ); - } - if let Some(const_anon) = const_anon { diag.note(fluent::lint_exception); if let Some(const_anon) = const_anon { diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index ef7ab7efd5444..56f930ea7f62e 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -1,20 +1,12 @@ use rustc_errors::MultiSpan; -use rustc_hir::def::DefKind; +use rustc_hir::def::{DefKind, Res}; use rustc_hir::intravisit::{self, Visitor}; -use rustc_hir::{Body, HirId, Item, ItemKind, Node, Path, QPath, TyKind}; -use rustc_infer::infer::InferCtxt; -use rustc_infer::traits::{Obligation, ObligationCause}; -use rustc_middle::ty::{ - self, Binder, EarlyBinder, TraitRef, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable, -}; +use rustc_hir::{Body, HirId, Item, ItemKind, Node, Path, TyKind}; +use rustc_middle::ty::TyCtxt; use rustc_session::{declare_lint, impl_lint_pass}; use rustc_span::def_id::{DefId, LOCAL_CRATE}; use rustc_span::symbol::kw; -use rustc_span::{ExpnKind, MacroKind, Span, Symbol, sym}; -use rustc_trait_selection::error_reporting::traits::ambiguity::{ - CandidateSource, compute_applicable_impls_for_diagnostics, -}; -use rustc_trait_selection::infer::TyCtxtInferExt; +use rustc_span::{ExpnKind, MacroKind, Span, sym}; use crate::lints::{NonLocalDefinitionsCargoUpdateNote, NonLocalDefinitionsDiag}; use crate::{LateContext, LateLintPass, LintContext, fluent_generated as fluent}; @@ -49,7 +41,7 @@ declare_lint! { /// All nested bodies (functions, enum discriminant, array length, consts) (expect for /// `const _: Ty = { ... }` in top-level module, which is still undecided) are checked. pub NON_LOCAL_DEFINITIONS, - Allow, + Warn, "checks for non-local definitions", report_in_external_macro } @@ -142,42 +134,28 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { None }; - // Part 1: Is the Self type local? - let self_ty_has_local_parent = - ty_has_local_parent(&impl_.self_ty.kind, cx, parent, parent_parent); - - if self_ty_has_local_parent { - return; - } - - // Part 2: Is the Trait local? - let of_trait_has_local_parent = impl_ - .of_trait - .map(|of_trait| path_has_local_parent(of_trait.path, cx, parent, parent_parent)) - .unwrap_or(false); - - if of_trait_has_local_parent { - return; + // 1. We collect all the `hir::Path` from the `Self` type and `Trait` ref + // of the `impl` definition + let mut collector = PathCollector { paths: Vec::new() }; + collector.visit_ty(&impl_.self_ty); + if let Some(of_trait) = &impl_.of_trait { + collector.visit_trait_ref(of_trait); } - // Part 3: Is the impl definition leaking outside it's defining scope? - // - // We always consider inherent impls to be leaking. - let impl_has_enough_non_local_candidates = cx - .tcx - .impl_trait_ref(def_id) - .map(|binder| { - impl_trait_ref_has_enough_non_local_candidates( - cx.tcx, - item.span, - def_id, - binder, - |did| did_has_local_parent(did, cx.tcx, parent, parent_parent), - ) - }) - .unwrap_or(false); + // 1.5. Remove any path that doesn't resolve to a `DefId` or if it resolve to a + // type-param (e.g. `T`). + collector.paths.retain( + |p| matches!(p.res, Res::Def(def_kind, _) if def_kind != DefKind::TyParam), + ); - if impl_has_enough_non_local_candidates { + // 2. We check if any of path reference a "local" parent and if that the case + // we bail out as asked by T-lang, even though this isn't correct from a + // type-system point of view, as inference exists and could still leak the impl. + if collector + .paths + .iter() + .any(|path| path_has_local_parent(path, cx, parent, parent_parent)) + { return; } @@ -199,76 +177,28 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { let const_anon = matches!(parent_def_kind, DefKind::Const | DefKind::Static { .. }) .then_some(span_for_const_anon_suggestion); - let may_remove = match &impl_.self_ty.kind { - TyKind::Ptr(mut_ty) | TyKind::Ref(_, mut_ty) - if ty_has_local_parent(&mut_ty.ty.kind, cx, parent, parent_parent) => - { - let type_ = - if matches!(impl_.self_ty.kind, TyKind::Ptr(_)) { "*" } else { "&" }; - let part = format!("{}{}", type_, mut_ty.mutbl.prefix_str()); - Some((impl_.self_ty.span.shrink_to_lo().until(mut_ty.ty.span), part)) - } - _ => None, - }; - let impl_span = item.span.shrink_to_lo().to(impl_.self_ty.span); let mut ms = MultiSpan::from_span(impl_span); - let (self_ty_span, self_ty_str) = - self_ty_kind_for_diagnostic(&impl_.self_ty, cx.tcx); - - ms.push_span_label( - self_ty_span, - fluent::lint_non_local_definitions_self_ty_not_local, - ); - let of_trait_str = if let Some(of_trait) = &impl_.of_trait { + for path in &collector.paths { + // FIXME: While a translatable diagnostic message can have an argument + // we (currently) have no way to set different args per diag msg with + // `MultiSpan::push_span_label`. + #[allow(rustc::untranslatable_diagnostic)] ms.push_span_label( - path_span_without_args(&of_trait.path), - fluent::lint_non_local_definitions_of_trait_not_local, + path_span_without_args(path), + format!("`{}` is not local", path_name_to_string(path)), ); - Some(path_name_to_string(&of_trait.path)) - } else { - None - }; - - let (doctest, move_to) = if is_at_toplevel_doctest() { - (true, None) - } else { - let mut collector = PathCollector { paths: Vec::new() }; - collector.visit_ty(&impl_.self_ty); - if let Some(of_trait) = &impl_.of_trait { - collector.visit_trait_ref(of_trait); - } - collector.visit_generics(&impl_.generics); - - let mut may_move: Vec = collector - .paths - .into_iter() - .filter_map(|path| { - if let Some(did) = path.res.opt_def_id() - && did_has_local_parent(did, cx.tcx, parent, parent_parent) - { - Some(cx.tcx.def_span(did)) - } else { - None - } - }) - .collect(); - may_move.sort(); - may_move.dedup(); + } - let move_to = if may_move.is_empty() { - ms.push_span_label( - cx.tcx.def_span(parent), - fluent::lint_non_local_definitions_impl_move_help, - ); - None - } else { - Some((cx.tcx.def_span(parent), may_move)) - }; + let doctest = is_at_toplevel_doctest(); - (false, move_to) - }; + if !doctest { + ms.push_span_label( + cx.tcx.def_span(parent), + fluent::lint_non_local_definitions_impl_move_help, + ); + } let macro_to_change = if let ExpnKind::Macro(kind, name) = item.span.ctxt().outer_expn_data().kind { @@ -285,12 +215,7 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { .unwrap_or_else(|| "".to_string()), cargo_update: cargo_update(), const_anon, - self_ty_str, - of_trait_str, - move_to, doctest, - may_remove, - has_trait: impl_.of_trait.is_some(), macro_to_change, }) } @@ -316,90 +241,6 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { } } -// Detecting if the impl definition is leaking outside of its defining scope. -// -// Rule: for each impl, instantiate all local types with inference vars and -// then assemble candidates for that goal, if there are more than 1 (non-private -// impls), it does not leak. -// -// https://github.com/rust-lang/rust/issues/121621#issuecomment-1976826895 -fn impl_trait_ref_has_enough_non_local_candidates<'tcx>( - tcx: TyCtxt<'tcx>, - infer_span: Span, - trait_def_id: DefId, - binder: EarlyBinder<'tcx, TraitRef<'tcx>>, - mut did_has_local_parent: impl FnMut(DefId) -> bool, -) -> bool { - let infcx = tcx - .infer_ctxt() - // We use the new trait solver since the obligation we are trying to - // prove here may overflow and those are fatal in the old trait solver. - // Which is unacceptable for a lint. - // - // Thanksfully the part we use here are very similar to the - // new-trait-solver-as-coherence, which is in stabilization. - // - // https://github.com/rust-lang/rust/issues/123573 - .with_next_trait_solver(true) - .build(); - - let trait_ref = binder.instantiate(tcx, infcx.fresh_args_for_item(infer_span, trait_def_id)); - - let trait_ref = trait_ref.fold_with(&mut ReplaceLocalTypesWithInfer { - infcx: &infcx, - infer_span, - did_has_local_parent: &mut did_has_local_parent, - }); - - let poly_trait_obligation = Obligation::new( - tcx, - ObligationCause::dummy(), - ty::ParamEnv::empty(), - Binder::dummy(trait_ref), - ); - - let ambiguities = compute_applicable_impls_for_diagnostics(&infcx, &poly_trait_obligation); - - let mut it = ambiguities.iter().filter(|ambi| match ambi { - CandidateSource::DefId(did) => !did_has_local_parent(*did), - CandidateSource::ParamEnv(_) => unreachable!(), - }); - - let _ = it.next(); - it.next().is_some() -} - -/// Replace every local type by inference variable. -/// -/// ```text -/// as std::cmp::PartialEq>> -/// to -/// as std::cmp::PartialEq>> -/// ``` -struct ReplaceLocalTypesWithInfer<'a, 'tcx, F: FnMut(DefId) -> bool> { - infcx: &'a InferCtxt<'tcx>, - did_has_local_parent: F, - infer_span: Span, -} - -impl<'a, 'tcx, F: FnMut(DefId) -> bool> TypeFolder> - for ReplaceLocalTypesWithInfer<'a, 'tcx, F> -{ - fn cx(&self) -> TyCtxt<'tcx> { - self.infcx.tcx - } - - fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx> { - if let Some(def) = t.ty_adt_def() - && (self.did_has_local_parent)(def.did()) - { - self.infcx.next_ty_var(self.infer_span) - } else { - t.super_fold_with(self) - } - } -} - /// Simple hir::Path collector struct PathCollector<'tcx> { paths: Vec>, @@ -412,42 +253,6 @@ impl<'tcx> Visitor<'tcx> for PathCollector<'tcx> { } } -/// Given a `Ty` we check if the (outermost) type is local. -fn ty_has_local_parent( - ty_kind: &TyKind<'_>, - cx: &LateContext<'_>, - impl_parent: DefId, - impl_parent_parent: Option, -) -> bool { - match ty_kind { - TyKind::Path(QPath::Resolved(_, ty_path)) => { - path_has_local_parent(ty_path, cx, impl_parent, impl_parent_parent) - } - TyKind::TraitObject([principle_poly_trait_ref, ..], _, _) => path_has_local_parent( - principle_poly_trait_ref.0.trait_ref.path, - cx, - impl_parent, - impl_parent_parent, - ), - TyKind::TraitObject([], _, _) - | TyKind::InferDelegation(_, _) - | TyKind::Slice(_) - | TyKind::Array(_, _) - | TyKind::Ptr(_) - | TyKind::Ref(_, _) - | TyKind::BareFn(_) - | TyKind::Never - | TyKind::Tup(_) - | TyKind::Path(_) - | TyKind::Pat(..) - | TyKind::AnonAdt(_) - | TyKind::OpaqueDef(_, _, _) - | TyKind::Typeof(_) - | TyKind::Infer - | TyKind::Err(_) => false, - } -} - /// Given a path and a parent impl def id, this checks if the if parent resolution /// def id correspond to the def id of the parent impl definition. /// @@ -503,38 +308,3 @@ fn path_span_without_args(path: &Path<'_>) -> Span { fn path_name_to_string(path: &Path<'_>) -> String { path.segments.last().unwrap().ident.name.to_ident_string() } - -/// Compute the `Span` and visual representation for the `Self` we want to point at; -/// It follows part of the actual logic of non-local, and if possible return the least -/// amount possible for the span and representation. -fn self_ty_kind_for_diagnostic(ty: &rustc_hir::Ty<'_>, tcx: TyCtxt<'_>) -> (Span, String) { - match ty.kind { - TyKind::Path(QPath::Resolved(_, ty_path)) => ( - path_span_without_args(ty_path), - ty_path - .res - .opt_def_id() - .map(|did| tcx.opt_item_name(did)) - .flatten() - .as_ref() - .map(|s| Symbol::as_str(s)) - .unwrap_or("") - .to_string(), - ), - TyKind::TraitObject([principle_poly_trait_ref, ..], _, _) => { - let path = &principle_poly_trait_ref.0.trait_ref.path; - ( - path_span_without_args(path), - path.res - .opt_def_id() - .map(|did| tcx.opt_item_name(did)) - .flatten() - .as_ref() - .map(|s| Symbol::as_str(s)) - .unwrap_or("") - .to_string(), - ) - } - _ => (ty.span, rustc_hir_pretty::ty_to_string(&tcx, ty)), - } -} diff --git a/tests/rustdoc-ui/doctest/non-local-defs-impl.rs b/tests/rustdoc-ui/doctest/non-local-defs-impl.rs index 37c80bc1f2728..b1ab5323a2bc8 100644 --- a/tests/rustdoc-ui/doctest/non-local-defs-impl.rs +++ b/tests/rustdoc-ui/doctest/non-local-defs-impl.rs @@ -15,7 +15,10 @@ /// # use pub_trait::Trait; /// /// struct Local; -/// impl Trait for &Local {} +/// +/// fn foo() { +/// impl Trait for &Local {} +/// } /// ``` /// /// But this shoudln't produce a warning: diff --git a/tests/rustdoc-ui/doctest/non-local-defs-impl.stdout b/tests/rustdoc-ui/doctest/non-local-defs-impl.stdout index 27797e22f8ecb..f39d2c2608b88 100644 --- a/tests/rustdoc-ui/doctest/non-local-defs-impl.stdout +++ b/tests/rustdoc-ui/doctest/non-local-defs-impl.stdout @@ -1,24 +1,23 @@ running 2 tests test $DIR/non-local-defs-impl.rs - doctest (line 13) - compile ... FAILED -test $DIR/non-local-defs-impl.rs - doctest (line 22) - compile ... ok +test $DIR/non-local-defs-impl.rs - doctest (line 25) - compile ... ok failures: ---- $DIR/non-local-defs-impl.rs - doctest (line 13) stdout ---- error: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/non-local-defs-impl.rs:18:1 + --> $DIR/non-local-defs-impl.rs:20:5 | -LL | impl Trait for &Local {} - | ^^^^^-----^^^^^------ - | | | - | | `&'_ Local` is not local - | | help: remove `&` to make the `impl` local - | `Trait` is not local +LL | fn foo() { + | -------- move the `impl` block outside of this function `foo` and up 3 bodies +LL | impl Trait for &Local {} + | ^^^^^-----^^^^^^----- + | | | + | | `Local` is not local + | `Trait` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = help: make this doc-test a standalone test with its own `fn main() { ... }` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue note: the lint level is defined here --> $DIR/non-local-defs-impl.rs:11:9 diff --git a/tests/rustdoc-ui/doctest/non_local_defs.rs b/tests/rustdoc-ui/doctest/non_local_defs.rs index 83327eb1e3f49..a2f66c392231a 100644 --- a/tests/rustdoc-ui/doctest/non_local_defs.rs +++ b/tests/rustdoc-ui/doctest/non_local_defs.rs @@ -4,8 +4,6 @@ //@ normalize-stderr-test: "tests/rustdoc-ui/doctest" -> "$$DIR" //@ normalize-stdout-test: "finished in \d+\.\d+s" -> "finished in $$TIME" -#![doc(test(attr(warn(non_local_definitions))))] - //! ``` //! #[macro_export] //! macro_rules! a_macro { () => {} } diff --git a/tests/rustdoc-ui/doctest/non_local_defs.stderr b/tests/rustdoc-ui/doctest/non_local_defs.stderr index 13cd2558793f8..2b47e6b5bc4d5 100644 --- a/tests/rustdoc-ui/doctest/non_local_defs.stderr +++ b/tests/rustdoc-ui/doctest/non_local_defs.stderr @@ -1,5 +1,5 @@ warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module - --> $DIR/non_local_defs.rs:11:1 + --> $DIR/non_local_defs.rs:9:1 | LL | macro_rules! a_macro { () => {} } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -7,11 +7,7 @@ LL | macro_rules! a_macro { () => {} } = help: remove the `#[macro_export]` or make this doc-test a standalone test with its own `fn main() { ... }` = note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/non_local_defs.rs:8:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ + = note: `#[warn(non_local_definitions)]` on by default warning: 1 warning emitted diff --git a/tests/rustdoc-ui/doctest/non_local_defs.stdout b/tests/rustdoc-ui/doctest/non_local_defs.stdout index 61b4074886e4b..bee195fcdd772 100644 --- a/tests/rustdoc-ui/doctest/non_local_defs.stdout +++ b/tests/rustdoc-ui/doctest/non_local_defs.stdout @@ -1,6 +1,6 @@ running 1 test -test $DIR/non_local_defs.rs - (line 9) ... ok +test $DIR/non_local_defs.rs - (line 7) ... ok test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in $TIME diff --git a/tests/ui/lint/non-local-defs/cargo-update.rs b/tests/ui/lint/non-local-defs/cargo-update.rs index 3c62a655a9f61..8b8c15795d376 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.rs +++ b/tests/ui/lint/non-local-defs/cargo-update.rs @@ -10,8 +10,6 @@ // of the `cargo update` suggestion we assert it here. //@ error-pattern: `cargo update -p non_local_macro` -#![warn(non_local_definitions)] - extern crate non_local_macro; struct LocalStruct; diff --git a/tests/ui/lint/non-local-defs/cargo-update.stderr b/tests/ui/lint/non-local-defs/cargo-update.stderr index 4dd41519455c6..77ee28b48cc7f 100644 --- a/tests/ui/lint/non-local-defs/cargo-update.stderr +++ b/tests/ui/lint/non-local-defs/cargo-update.stderr @@ -1,5 +1,5 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/cargo-update.rs:19:1 + --> $DIR/cargo-update.rs:17:1 | LL | non_local_macro::non_local_impl!(LocalStruct); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -10,15 +10,10 @@ LL | non_local_macro::non_local_impl!(LocalStruct); | = note: the macro `non_local_macro::non_local_impl` defines the non-local `impl`, and may need to be changed = note: the macro `non_local_macro::non_local_impl` may come from an old version of the `non_local_macro` crate, try updating your dependency with `cargo update -p non_local_macro` - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/cargo-update.rs:13:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ + = note: `#[warn(non_local_definitions)]` on by default = note: this warning originates in the macro `non_local_macro::non_local_impl` (in Nightly builds, run with -Z macro-backtrace for more info) warning: 1 warning emitted diff --git a/tests/ui/lint/non-local-defs/consts.rs b/tests/ui/lint/non-local-defs/consts.rs index e7ee611529b96..d8a497e43e502 100644 --- a/tests/ui/lint/non-local-defs/consts.rs +++ b/tests/ui/lint/non-local-defs/consts.rs @@ -2,8 +2,6 @@ //@ edition:2021 //@ rustc-env:CARGO_CRATE_NAME=non_local_def -#![warn(non_local_definitions)] - struct Test; trait Uto {} diff --git a/tests/ui/lint/non-local-defs/consts.stderr b/tests/ui/lint/non-local-defs/consts.stderr index ed7bd56fe4a54..7f76056c0210c 100644 --- a/tests/ui/lint/non-local-defs/consts.stderr +++ b/tests/ui/lint/non-local-defs/consts.stderr @@ -1,5 +1,5 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/consts.rs:15:5 + --> $DIR/consts.rs:13:5 | LL | const Z: () = { | ----------- @@ -8,23 +8,18 @@ LL | const Z: () = { | move the `impl` block outside of this constant `Z` ... LL | impl Uto for &Test {} - | ^^^^^---^^^^^----- - | | | - | | `&'_ Test` is not local + | ^^^^^---^^^^^^---- + | | | + | | `Test` is not local | `Uto` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/consts.rs:5:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ + = note: `#[warn(non_local_definitions)]` on by default warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/consts.rs:26:5 + --> $DIR/consts.rs:24:5 | LL | static A: u32 = { | ------------- move the `impl` block outside of this static `A` @@ -34,13 +29,12 @@ LL | impl Uto2 for Test {} | | `Test` is not local | `Uto2` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/consts.rs:34:5 + --> $DIR/consts.rs:32:5 | LL | const B: u32 = { | ------------ move the `impl` block outside of this constant `B` @@ -50,13 +44,12 @@ LL | impl Uto3 for Test {} | | `Test` is not local | `Uto3` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/consts.rs:45:5 + --> $DIR/consts.rs:43:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` @@ -65,11 +58,11 @@ LL | impl Test { | | | `Test` is not local | - = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/consts.rs:52:9 + --> $DIR/consts.rs:50:9 | LL | const { | ___________- @@ -84,11 +77,11 @@ LL | | 1 LL | | }; | |_____- move the `impl` block outside of this inline constant `` and up 2 bodies | - = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/consts.rs:61:9 + --> $DIR/consts.rs:59:9 | LL | const _: u32 = { | ------------ move the `impl` block outside of this constant `_` and up 2 bodies @@ -97,12 +90,12 @@ LL | impl Test { | | | `Test` is not local | - = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/consts.rs:74:9 + --> $DIR/consts.rs:72:9 | LL | let _a = || { | -- move the `impl` block outside of this closure `` and up 2 bodies @@ -112,12 +105,11 @@ LL | impl Uto9 for Test {} | | `Test` is not local | `Uto9` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/consts.rs:81:9 + --> $DIR/consts.rs:79:9 | LL | type A = [u32; { | ____________________- @@ -131,7 +123,6 @@ LL | | LL | | }]; | |_____- move the `impl` block outside of this constant expression `` and up 2 bodies | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue diff --git a/tests/ui/lint/non-local-defs/exhaustive-trait.rs b/tests/ui/lint/non-local-defs/exhaustive-trait.rs index 79f8cc4620b97..40d2314460f86 100644 --- a/tests/ui/lint/non-local-defs/exhaustive-trait.rs +++ b/tests/ui/lint/non-local-defs/exhaustive-trait.rs @@ -1,8 +1,6 @@ //@ check-pass //@ edition:2021 -#![warn(non_local_definitions)] - struct Dog; fn main() { diff --git a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr index 24c9a6b4f01e2..c58ec12aaacaa 100644 --- a/tests/ui/lint/non-local-defs/exhaustive-trait.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive-trait.stderr @@ -1,5 +1,5 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive-trait.rs:9:5 + --> $DIR/exhaustive-trait.rs:7:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` @@ -9,92 +9,84 @@ LL | impl PartialEq<()> for Dog { | | `Dog` is not local | `PartialEq` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/exhaustive-trait.rs:4:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ + = note: `#[warn(non_local_definitions)]` on by default warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive-trait.rs:16:5 + --> $DIR/exhaustive-trait.rs:14:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl PartialEq<()> for &Dog { - | ^^^^^---------^^^^^^^^^---- - | | | - | | `&'_ Dog` is not local + | ^^^^^---------^^^^^^^^^^--- + | | | + | | `Dog` is not local | `PartialEq` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive-trait.rs:23:5 + --> $DIR/exhaustive-trait.rs:21:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl PartialEq for () { - | ^^^^^---------^^^^^^^^^^-- - | | | - | | `()` is not local + | ^^^^^---------^---^^^^^^^^ + | | | + | | `Dog` is not local | `PartialEq` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive-trait.rs:30:5 + --> $DIR/exhaustive-trait.rs:28:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl PartialEq<&Dog> for () { - | ^^^^^---------^^^^^^^^^^^-- - | | | - | | `()` is not local + | ^^^^^---------^^---^^^^^^^^ + | | | + | | `Dog` is not local | `PartialEq` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive-trait.rs:37:5 + --> $DIR/exhaustive-trait.rs:35:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl PartialEq for &Dog { - | ^^^^^---------^^^^^^^^^^---- - | | | - | | `&'_ Dog` is not local + | ^^^^^---------^---^^^^^^^--- + | | | | + | | | `Dog` is not local + | | `Dog` is not local | `PartialEq` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive-trait.rs:44:5 + --> $DIR/exhaustive-trait.rs:42:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl PartialEq<&Dog> for &Dog { - | ^^^^^---------^^^^^^^^^^^---- - | | | - | | `&'_ Dog` is not local + | ^^^^^---------^^---^^^^^^^--- + | | | | + | | | `Dog` is not local + | | `Dog` is not local | `PartialEq` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue diff --git a/tests/ui/lint/non-local-defs/exhaustive.rs b/tests/ui/lint/non-local-defs/exhaustive.rs index f59a85c7ed94f..5036e427060fc 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.rs +++ b/tests/ui/lint/non-local-defs/exhaustive.rs @@ -1,8 +1,6 @@ //@ check-pass //@ edition:2021 -#![warn(non_local_definitions)] - use std::fmt::Display; trait Trait {} @@ -57,18 +55,13 @@ fn main() { struct InsideMain; + impl Trait for &InsideMain {} impl Trait for *mut InsideMain {} - //~^ WARN non-local `impl` definition impl Trait for *mut [InsideMain] {} - //~^ WARN non-local `impl` definition impl Trait for [InsideMain; 8] {} - //~^ WARN non-local `impl` definition impl Trait for (InsideMain,) {} - //~^ WARN non-local `impl` definition impl Trait for fn(InsideMain) -> () {} - //~^ WARN non-local `impl` definition impl Trait for fn() -> InsideMain {} - //~^ WARN non-local `impl` definition fn inside_inside() { impl Display for InsideMain { diff --git a/tests/ui/lint/non-local-defs/exhaustive.stderr b/tests/ui/lint/non-local-defs/exhaustive.stderr index 6d8c2ec0bc7cf..dd41b2206d842 100644 --- a/tests/ui/lint/non-local-defs/exhaustive.stderr +++ b/tests/ui/lint/non-local-defs/exhaustive.stderr @@ -1,5 +1,5 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:12:5 + --> $DIR/exhaustive.rs:10:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` @@ -8,16 +8,12 @@ LL | impl Test { | | | `Test` is not local | - = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/exhaustive.rs:4:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ + = note: `#[warn(non_local_definitions)]` on by default warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:17:5 + --> $DIR/exhaustive.rs:15:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` @@ -28,12 +24,11 @@ LL | impl Display for Test { | | `Test` is not local | `Display` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:24:5 + --> $DIR/exhaustive.rs:22:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` @@ -43,11 +38,11 @@ LL | impl dyn Trait {} | | | `Trait` is not local | - = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:27:5 + --> $DIR/exhaustive.rs:25:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` @@ -58,124 +53,116 @@ LL | impl Trait for Vec { } | | `Vec` is not local | `Trait` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:30:5 + --> $DIR/exhaustive.rs:28:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl Trait for &dyn Trait {} - | ^^^^^-----^^^^^---------- - | | | - | | `&'_ dyn Trait` is not local + | ^^^^^-----^^^^^^^^^^----- + | | | + | | `Trait` is not local | `Trait` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:33:5 + --> $DIR/exhaustive.rs:31:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl Trait for *mut Test {} - | ^^^^^-----^^^^^--------- - | | | - | | `*mut Test` is not local + | ^^^^^-----^^^^^^^^^^---- + | | | + | | `Test` is not local | `Trait` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:36:5 + --> $DIR/exhaustive.rs:34:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl Trait for *mut [Test] {} - | ^^^^^-----^^^^^----------- - | | | - | | `*mut [Test]` is not local + | ^^^^^-----^^^^^^^^^^^----^ + | | | + | | `Test` is not local | `Trait` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:39:5 + --> $DIR/exhaustive.rs:37:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl Trait for [Test; 8] {} - | ^^^^^-----^^^^^--------- - | | | - | | `[Test; 8]` is not local + | ^^^^^-----^^^^^^----^^^^ + | | | + | | `Test` is not local | `Trait` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:42:5 + --> $DIR/exhaustive.rs:40:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl Trait for (Test,) {} - | ^^^^^-----^^^^^------- - | | | - | | `(Test,)` is not local + | ^^^^^-----^^^^^^----^^ + | | | + | | `Test` is not local | `Trait` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:45:5 + --> $DIR/exhaustive.rs:43:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl Trait for fn(Test) -> () {} - | ^^^^^-----^^^^^-------------- - | | | - | | `fn(: Test) -> ()` is not local + | ^^^^^-----^^^^^^^^----^^^^^^^ + | | | + | | `Test` is not local | `Trait` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:48:5 + --> $DIR/exhaustive.rs:46:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` ... LL | impl Trait for fn() -> Test {} - | ^^^^^-----^^^^^------------ - | | | - | | `fn() -> Test` is not local + | ^^^^^-----^^^^^^^^^^^^^---- + | | | + | | `Test` is not local | `Trait` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:52:9 + --> $DIR/exhaustive.rs:50:9 | LL | let _a = || { | -- move the `impl` block outside of this closure `` and up 2 bodies @@ -185,139 +172,11 @@ LL | impl Trait for Test {} | | `Test` is not local | `Trait` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:60:5 - | -LL | impl Trait for *mut InsideMain {} - | ^^^^^-----^^^^^--------------- - | | | - | | `*mut InsideMain` is not local - | | help: remove `*mut ` to make the `impl` local - | `Trait` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `main` - --> $DIR/exhaustive.rs:11:1 - | -LL | fn main() { - | ^^^^^^^^^ -... -LL | struct InsideMain; - | ----------------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:62:5 - | -LL | impl Trait for *mut [InsideMain] {} - | ^^^^^-----^^^^^----------------- - | | | - | | `*mut [InsideMain]` is not local - | `Trait` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `main` - --> $DIR/exhaustive.rs:11:1 - | -LL | fn main() { - | ^^^^^^^^^ -... -LL | struct InsideMain; - | ----------------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:64:5 - | -LL | impl Trait for [InsideMain; 8] {} - | ^^^^^-----^^^^^--------------- - | | | - | | `[InsideMain; 8]` is not local - | `Trait` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `main` - --> $DIR/exhaustive.rs:11:1 - | -LL | fn main() { - | ^^^^^^^^^ -... -LL | struct InsideMain; - | ----------------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:66:5 - | -LL | impl Trait for (InsideMain,) {} - | ^^^^^-----^^^^^------------- - | | | - | | `(InsideMain,)` is not local - | `Trait` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `main` - --> $DIR/exhaustive.rs:11:1 - | -LL | fn main() { - | ^^^^^^^^^ -... -LL | struct InsideMain; - | ----------------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:68:5 - | -LL | impl Trait for fn(InsideMain) -> () {} - | ^^^^^-----^^^^^-------------------- - | | | - | | `fn(: InsideMain) -> ()` is not local - | `Trait` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `main` - --> $DIR/exhaustive.rs:11:1 - | -LL | fn main() { - | ^^^^^^^^^ -... -LL | struct InsideMain; - | ----------------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:70:5 - | -LL | impl Trait for fn() -> InsideMain {} - | ^^^^^-----^^^^^------------------ - | | | - | | `fn() -> InsideMain` is not local - | `Trait` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `main` - --> $DIR/exhaustive.rs:11:1 - | -LL | fn main() { - | ^^^^^^^^^ -... -LL | struct InsideMain; - | ----------------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:74:9 + --> $DIR/exhaustive.rs:67:9 | LL | fn inside_inside() { | ------------------ move the `impl` block outside of this function `inside_inside` and up 2 bodies @@ -327,12 +186,11 @@ LL | impl Display for InsideMain { | | `InsideMain` is not local | `Display` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/exhaustive.rs:81:9 + --> $DIR/exhaustive.rs:74:9 | LL | fn inside_inside() { | ------------------ move the `impl` block outside of this function `inside_inside` and up 2 bodies @@ -342,8 +200,8 @@ LL | impl InsideMain { | | | `InsideMain` is not local | - = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: 20 warnings emitted +warning: 14 warnings emitted diff --git a/tests/ui/lint/non-local-defs/from-local-for-global.rs b/tests/ui/lint/non-local-defs/from-local-for-global.rs index 1d8f4845c2860..6654fcc4f23d7 100644 --- a/tests/ui/lint/non-local-defs/from-local-for-global.rs +++ b/tests/ui/lint/non-local-defs/from-local-for-global.rs @@ -1,8 +1,6 @@ //@ check-pass //@ edition:2021 -#![warn(non_local_definitions)] - struct Cat; struct Wrap(T); @@ -18,7 +16,6 @@ fn main() { struct Elephant; impl From>> for () { - //~^ WARN non-local `impl` definition fn from(_: Wrap>) -> Self { todo!() } @@ -32,7 +29,6 @@ impl StillNonLocal for &str {} fn only_global() { struct Foo; impl StillNonLocal for &Foo {} - //~^ WARN non-local `impl` definition } struct GlobalSameFunction; @@ -40,7 +36,6 @@ struct GlobalSameFunction; fn same_function() { struct Local1(GlobalSameFunction); impl From for GlobalSameFunction { - //~^ WARN non-local `impl` definition fn from(x: Local1) -> GlobalSameFunction { x.0 } @@ -48,7 +43,6 @@ fn same_function() { struct Local2(GlobalSameFunction); impl From for GlobalSameFunction { - //~^ WARN non-local `impl` definition fn from(x: Local2) -> GlobalSameFunction { x.0 } @@ -61,8 +55,6 @@ fn diff_function_1() { struct Local(GlobalDifferentFunction); impl From for GlobalDifferentFunction { - // FIXME(Urgau): Should warn but doesn't since we currently consider - // the other impl to be "global", but that's not the case for the type-system fn from(x: Local) -> GlobalDifferentFunction { x.0 } @@ -73,8 +65,6 @@ fn diff_function_2() { struct Local(GlobalDifferentFunction); impl From for GlobalDifferentFunction { - // FIXME(Urgau): Should warn but doesn't since we currently consider - // the other impl to be "global", but that's not the case for the type-system fn from(x: Local) -> GlobalDifferentFunction { x.0 } diff --git a/tests/ui/lint/non-local-defs/from-local-for-global.stderr b/tests/ui/lint/non-local-defs/from-local-for-global.stderr index 04eba8435fc04..6839ebd2c8a3e 100644 --- a/tests/ui/lint/non-local-defs/from-local-for-global.stderr +++ b/tests/ui/lint/non-local-defs/from-local-for-global.stderr @@ -1,104 +1,17 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/from-local-for-global.rs:10:5 + --> $DIR/from-local-for-global.rs:8:5 | LL | fn main() { | --------- move the `impl` block outside of this function `main` LL | impl From for () { - | ^^^^^----^^^^^^^^^^-- - | | | - | | `()` is not local + | ^^^^^----^---^^^^^^^^ + | | | + | | `Cat` is not local | `From` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/from-local-for-global.rs:4:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/from-local-for-global.rs:20:5 - | -LL | impl From>> for () { - | ^^^^^----^^^^^^^^^^^^^^^^^^^^^^^^^^^-- - | | | - | `From` is not local `()` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `main` - --> $DIR/from-local-for-global.rs:9:1 - | -LL | fn main() { - | ^^^^^^^^^ -... -LL | struct Elephant; - | --------------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/from-local-for-global.rs:34:5 - | -LL | impl StillNonLocal for &Foo {} - | ^^^^^-------------^^^^^---- - | | | - | | `&'_ Foo` is not local - | | help: remove `&` to make the `impl` local - | `StillNonLocal` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `only_global` - --> $DIR/from-local-for-global.rs:32:1 - | -LL | fn only_global() { - | ^^^^^^^^^^^^^^^^ -LL | struct Foo; - | ---------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/from-local-for-global.rs:42:5 - | -LL | impl From for GlobalSameFunction { - | ^^^^^----^^^^^^^^^^^^^------------------ - | | | - | | `GlobalSameFunction` is not local - | `From` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `same_function` - --> $DIR/from-local-for-global.rs:40:1 - | -LL | fn same_function() { - | ^^^^^^^^^^^^^^^^^^ -LL | struct Local1(GlobalSameFunction); - | ------------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/from-local-for-global.rs:50:5 - | -LL | impl From for GlobalSameFunction { - | ^^^^^----^^^^^^^^^^^^^------------------ - | | | - | | `GlobalSameFunction` is not local - | `From` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `same_function` - --> $DIR/from-local-for-global.rs:40:1 - | -LL | fn same_function() { - | ^^^^^^^^^^^^^^^^^^ -... -LL | struct Local2(GlobalSameFunction); - | ------------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue + = note: `#[warn(non_local_definitions)]` on by default -warning: 5 warnings emitted +warning: 1 warning emitted diff --git a/tests/ui/lint/non-local-defs/generics.rs b/tests/ui/lint/non-local-defs/generics.rs index 13e392c510c64..381b3caacb6b5 100644 --- a/tests/ui/lint/non-local-defs/generics.rs +++ b/tests/ui/lint/non-local-defs/generics.rs @@ -1,8 +1,6 @@ //@ check-pass //@ edition:2021 -#![warn(non_local_definitions)] - trait Global {} fn main() { @@ -32,7 +30,6 @@ fn fun() { #[derive(Debug)] struct OwO; impl Default for UwU { - //~^ WARN non-local `impl` definition fn default() -> Self { UwU(OwO) } @@ -43,7 +40,6 @@ fn meow() { #[derive(Debug)] struct Cat; impl AsRef for () { - //~^ WARN non-local `impl` definition fn as_ref(&self) -> &Cat { &Cat } } } @@ -54,7 +50,6 @@ fn fun2() { #[derive(Debug, Default)] struct B; impl PartialEq for G { - //~^ WARN non-local `impl` definition fn eq(&self, _: &B) -> bool { true } @@ -69,14 +64,12 @@ fn rawr() { struct Lion; impl From>> for () { - //~^ WARN non-local `impl` definition fn from(_: Wrap>) -> Self { todo!() } } impl From<()> for Wrap { - //~^ WARN non-local `impl` definition fn from(_: ()) -> Self { todo!() } diff --git a/tests/ui/lint/non-local-defs/generics.stderr b/tests/ui/lint/non-local-defs/generics.stderr index 35366ed8ecf94..aefe8921fe2c7 100644 --- a/tests/ui/lint/non-local-defs/generics.stderr +++ b/tests/ui/lint/non-local-defs/generics.stderr @@ -1,165 +1,47 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/generics.rs:11:5 + --> $DIR/generics.rs:9:5 | +LL | fn main() { + | --------- move the `impl` block outside of this function `main` +... LL | impl Global for Vec { } | ^^^^^^^^^^^^^^^------^^^^^---^^^ | | | | | `Vec` is not local | `Global` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `main` - --> $DIR/generics.rs:8:1 - | -LL | fn main() { - | ^^^^^^^^^ -LL | trait Local {}; - | ----------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/generics.rs:4:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ + = note: `#[warn(non_local_definitions)]` on by default warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/generics.rs:22:5 + --> $DIR/generics.rs:20:5 | +LL | fn bad() { + | -------- move the `impl` block outside of this function `bad` +LL | struct Local; LL | impl Uto7 for Test where Local: std::any::Any {} | ^^^^^----^^^^^---- | | | | | `Test` is not local | `Uto7` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `bad` - --> $DIR/generics.rs:20:1 - | -LL | fn bad() { - | ^^^^^^^^ -LL | struct Local; - | ------------ may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/generics.rs:25:5 + --> $DIR/generics.rs:23:5 | LL | fn bad() { | -------- move the `impl` block outside of this function `bad` ... LL | impl Uto8 for T {} - | ^^^^^^^^----^^^^^- - | | | - | | `T` is not local + | ^^^^^^^^----^^^^^^ + | | | `Uto8` is not local | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/generics.rs:34:5 - | -LL | impl Default for UwU { - | ^^^^^-------^^^^^---^^^^^ - | | | - | | `UwU` is not local - | `Default` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `fun` - --> $DIR/generics.rs:31:1 - | -LL | fn fun() { - | ^^^^^^^^ -LL | #[derive(Debug)] -LL | struct OwO; - | ---------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/generics.rs:45:5 - | -LL | impl AsRef for () { - | ^^^^^-----^^^^^^^^^^-- - | | | - | | `()` is not local - | `AsRef` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `meow` - --> $DIR/generics.rs:42:1 - | -LL | fn meow() { - | ^^^^^^^^^ -LL | #[derive(Debug)] -LL | struct Cat; - | ---------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/generics.rs:56:5 - | -LL | impl PartialEq for G { - | ^^^^^---------^^^^^^^^- - | | | - | | `G` is not local - | `PartialEq` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `fun2` - --> $DIR/generics.rs:53:1 - | -LL | fn fun2() { - | ^^^^^^^^^ -LL | #[derive(Debug, Default)] -LL | struct B; - | -------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/generics.rs:71:5 - | -LL | impl From>> for () { - | ^^^^^----^^^^^^^^^^^^^^^^^^^^^^^-- - | | | - | `From` is not local `()` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `rawr` - --> $DIR/generics.rs:68:1 - | -LL | fn rawr() { - | ^^^^^^^^^ -LL | struct Lion; - | ----------- may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue - -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/generics.rs:78:5 - | -LL | impl From<()> for Wrap { - | ^^^^^----^^^^^^^^^----^^^^^^ - | | | - | | `Wrap` is not local - | `From` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `rawr` - --> $DIR/generics.rs:68:1 - | -LL | fn rawr() { - | ^^^^^^^^^ -LL | struct Lion; - | ----------- may need to be moved as well = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -warning: 8 warnings emitted +warning: 3 warnings emitted diff --git a/tests/ui/lint/non-local-defs/inside-macro_rules.rs b/tests/ui/lint/non-local-defs/inside-macro_rules.rs index 744a1f7a6f1ab..9f21cc89852e2 100644 --- a/tests/ui/lint/non-local-defs/inside-macro_rules.rs +++ b/tests/ui/lint/non-local-defs/inside-macro_rules.rs @@ -1,8 +1,6 @@ //@ check-pass //@ edition:2021 -#![warn(non_local_definitions)] - macro_rules! m { () => { trait MacroTrait {} diff --git a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr index 89835372c8a53..faab6aea2b318 100644 --- a/tests/ui/lint/non-local-defs/inside-macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/inside-macro_rules.stderr @@ -1,5 +1,5 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/inside-macro_rules.rs:11:13 + --> $DIR/inside-macro_rules.rs:9:13 | LL | fn my_func() { | ------------ move the `impl` block outside of this function `my_func` @@ -13,14 +13,9 @@ LL | m!(); | ---- in this macro invocation | = note: the macro `m` defines the non-local `impl`, and may need to be changed - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/inside-macro_rules.rs:4:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ + = note: `#[warn(non_local_definitions)]` on by default = note: this warning originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) warning: 1 warning emitted diff --git a/tests/ui/lint/non-local-defs/local.rs b/tests/ui/lint/non-local-defs/local.rs index e9dbff1300f28..166ee88c0210c 100644 --- a/tests/ui/lint/non-local-defs/local.rs +++ b/tests/ui/lint/non-local-defs/local.rs @@ -1,8 +1,6 @@ //@ check-pass //@ edition:2021 -#![warn(non_local_definitions)] - use std::fmt::Debug; trait GlobalTrait {} diff --git a/tests/ui/lint/non-local-defs/macro_rules.rs b/tests/ui/lint/non-local-defs/macro_rules.rs index 20672cf0a3225..ed30a24903d01 100644 --- a/tests/ui/lint/non-local-defs/macro_rules.rs +++ b/tests/ui/lint/non-local-defs/macro_rules.rs @@ -3,8 +3,6 @@ //@ aux-build:non_local_macro.rs //@ rustc-env:CARGO_CRATE_NAME=non_local_def -#![warn(non_local_definitions)] - extern crate non_local_macro; const B: u32 = { diff --git a/tests/ui/lint/non-local-defs/macro_rules.stderr b/tests/ui/lint/non-local-defs/macro_rules.stderr index f9995bf82183c..4e86fc7b987e6 100644 --- a/tests/ui/lint/non-local-defs/macro_rules.stderr +++ b/tests/ui/lint/non-local-defs/macro_rules.stderr @@ -1,5 +1,5 @@ warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module - --> $DIR/macro_rules.rs:12:5 + --> $DIR/macro_rules.rs:10:5 | LL | macro_rules! m0 { () => { } }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -7,14 +7,10 @@ LL | macro_rules! m0 { () => { } }; = help: remove the `#[macro_export]` or move this `macro_rules!` outside the of the current constant `B` = note: a `macro_rules!` definition is non-local if it is nested inside an item and has a `#[macro_export]` attribute = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/macro_rules.rs:6:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ + = note: `#[warn(non_local_definitions)]` on by default warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module - --> $DIR/macro_rules.rs:18:1 + --> $DIR/macro_rules.rs:16:1 | LL | non_local_macro::non_local_macro_rules!(my_macro); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -26,7 +22,7 @@ LL | non_local_macro::non_local_macro_rules!(my_macro); = note: this warning originates in the macro `non_local_macro::non_local_macro_rules` (in Nightly builds, run with -Z macro-backtrace for more info) warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module - --> $DIR/macro_rules.rs:23:5 + --> $DIR/macro_rules.rs:21:5 | LL | macro_rules! m { () => { } }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -36,7 +32,7 @@ LL | macro_rules! m { () => { } }; = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `macro_rules!` definition, `#[macro_export]` macro should be written at top level module - --> $DIR/macro_rules.rs:31:13 + --> $DIR/macro_rules.rs:29:13 | LL | macro_rules! m2 { () => { } }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/lint/non-local-defs/suggest-moving-inner.rs b/tests/ui/lint/non-local-defs/ref-complex.rs similarity index 76% rename from tests/ui/lint/non-local-defs/suggest-moving-inner.rs rename to tests/ui/lint/non-local-defs/ref-complex.rs index 9360ace4d805b..ce4e0a3dc0a19 100644 --- a/tests/ui/lint/non-local-defs/suggest-moving-inner.rs +++ b/tests/ui/lint/non-local-defs/ref-complex.rs @@ -1,7 +1,5 @@ //@ check-pass -#![warn(non_local_definitions)] - trait Trait {} fn main() { @@ -12,7 +10,6 @@ fn main() { trait HasFoo {} impl Trait for &Vec> - //~^ WARN non-local `impl` definition where T: HasFoo {} diff --git a/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr b/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr deleted file mode 100644 index a214415316f84..0000000000000 --- a/tests/ui/lint/non-local-defs/suggest-moving-inner.stderr +++ /dev/null @@ -1,33 +0,0 @@ -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/suggest-moving-inner.rs:14:5 - | -LL | impl Trait for &Vec> - | ^^^^^^^^-----^^^^^^^^^^^^^^^^^---------------------------------- - | | | - | | `&'_ Vec>` is not local - | `Trait` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `main` - --> $DIR/suggest-moving-inner.rs:7:1 - | -LL | fn main() { - | ^^^^^^^^^ -LL | mod below { -LL | pub struct Type(T); - | ------------------ may need to be moved as well -LL | } -LL | struct InsideMain; - | ----------------- may need to be moved as well -LL | trait HasFoo {} - | ------------ may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/suggest-moving-inner.rs:3:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ - -warning: 1 warning emitted - diff --git a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.rs b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.rs index b726398bf9c9a..6e8014f10f85a 100644 --- a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.rs +++ b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.rs @@ -3,8 +3,6 @@ // https://github.com/rust-lang/rust/issues/123573#issue-2229428739 -#![warn(non_local_definitions)] - pub trait Test {} impl<'a, T: 'a> Test for &[T] where &'a T: Test {} @@ -12,5 +10,4 @@ impl<'a, T: 'a> Test for &[T] where &'a T: Test {} fn main() { struct Local {} impl Test for &Local {} - //~^ WARN non-local `impl` definition } diff --git a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr b/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr deleted file mode 100644 index 2eb71cecacaaf..0000000000000 --- a/tests/ui/lint/non-local-defs/trait-solver-overflow-123573.stderr +++ /dev/null @@ -1,28 +0,0 @@ -warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/trait-solver-overflow-123573.rs:14:5 - | -LL | impl Test for &Local {} - | ^^^^^----^^^^^------ - | | | - | | `&'_ Local` is not local - | | help: remove `&` to make the `impl` local - | `Test` is not local - | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type - = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` -help: move the `impl` block outside of this function `main` - --> $DIR/trait-solver-overflow-123573.rs:12:1 - | -LL | fn main() { - | ^^^^^^^^^ -LL | struct Local {} - | ------------ may need to be moved as well - = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/trait-solver-overflow-123573.rs:6:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ - -warning: 1 warning emitted - diff --git a/tests/ui/lint/non-local-defs/weird-exprs.rs b/tests/ui/lint/non-local-defs/weird-exprs.rs index fbf1fd941eecb..1d9cecea0c971 100644 --- a/tests/ui/lint/non-local-defs/weird-exprs.rs +++ b/tests/ui/lint/non-local-defs/weird-exprs.rs @@ -1,8 +1,6 @@ //@ check-pass //@ edition:2021 -#![warn(non_local_definitions)] - trait Uto {} struct Test; diff --git a/tests/ui/lint/non-local-defs/weird-exprs.stderr b/tests/ui/lint/non-local-defs/weird-exprs.stderr index 49aba904ebb0e..f6ce063929e8f 100644 --- a/tests/ui/lint/non-local-defs/weird-exprs.stderr +++ b/tests/ui/lint/non-local-defs/weird-exprs.stderr @@ -1,29 +1,24 @@ warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/weird-exprs.rs:10:5 + --> $DIR/weird-exprs.rs:8:5 | LL | type A = [u32; { | ________________- LL | | impl Uto for *mut Test {} - | | ^^^^^---^^^^^--------- - | | | | - | | | `*mut Test` is not local + | | ^^^^^---^^^^^^^^^^---- + | | | | + | | | `Test` is not local | | `Uto` is not local LL | | ... | LL | | }]; | |_- move the `impl` block outside of this constant expression `` | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue -note: the lint level is defined here - --> $DIR/weird-exprs.rs:4:9 - | -LL | #![warn(non_local_definitions)] - | ^^^^^^^^^^^^^^^^^^^^^ + = note: `#[warn(non_local_definitions)]` on by default warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/weird-exprs.rs:18:9 + --> $DIR/weird-exprs.rs:16:9 | LL | Discr = { | _____________- @@ -37,12 +32,11 @@ LL | | LL | | } | |_____- move the `impl` block outside of this constant expression `` | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/weird-exprs.rs:27:9 + --> $DIR/weird-exprs.rs:25:9 | LL | let _array = [0i32; { | _________________________- @@ -57,63 +51,61 @@ LL | | 1 LL | | }]; | |_____- move the `impl` block outside of this constant expression `` and up 2 bodies | - = note: methods and associated constants are still usable outside the current expression, only `impl Local` and `impl dyn Local` can ever be private, and only if the type is nested in the same item as the `impl` + = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/weird-exprs.rs:36:9 + --> $DIR/weird-exprs.rs:34:9 | LL | type A = [u32; { | ____________________- LL | | impl Uto for &Test {} - | | ^^^^^---^^^^^----- - | | | | - | | | `&'_ Test` is not local + | | ^^^^^---^^^^^^---- + | | | | + | | | `Test` is not local | | `Uto` is not local LL | | ... | LL | | }]; | |_____- move the `impl` block outside of this constant expression `` and up 2 bodies | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/weird-exprs.rs:43:9 + --> $DIR/weird-exprs.rs:41:9 | LL | fn a(_: [u32; { | ___________________- LL | | impl Uto for &(Test,) {} - | | ^^^^^---^^^^^-------- - | | | | - | | | `&'_ (Test,)` is not local + | | ^^^^^---^^^^^^^----^^ + | | | | + | | | `Test` is not local | | `Uto` is not local LL | | ... | LL | | }]) {} | |_____- move the `impl` block outside of this constant expression `` and up 2 bodies | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item - --> $DIR/weird-exprs.rs:50:9 + --> $DIR/weird-exprs.rs:48:9 | LL | fn b() -> [u32; { | _____________________- LL | | impl Uto for &(Test,Test) {} - | | ^^^^^---^^^^^------------ - | | | | - | | | `&'_ (Test, Test)` is not local + | | ^^^^^---^^^^^^^----^----^ + | | | | | + | | | | `Test` is not local + | | | `Test` is not local | | `Uto` is not local LL | | ... | LL | | }] { todo!() } | |_____- move the `impl` block outside of this constant expression `` and up 2 bodies | - = note: `impl` may be usable in bounds, etc. from outside the expression, which might e.g. make something constructible that previously wasn't, because it's still on a publicly-visible type = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` = note: this lint may become deny-by-default in the edition 2024 and higher, see the tracking issue