diff options
| -rw-r--r-- | clippy_lints/src/extra_unused_type_parameters.rs | 7 | ||||
| -rw-r--r-- | clippy_lints/src/implied_bounds_in_impls.rs | 4 | ||||
| -rw-r--r-- | clippy_lints/src/lifetimes.rs | 10 | ||||
| -rw-r--r-- | clippy_lints/src/multiple_bound_locations.rs | 10 | ||||
| -rw-r--r-- | clippy_lints/src/needless_maybe_sized.rs | 4 | ||||
| -rw-r--r-- | clippy_lints/src/trait_bounds.rs | 22 | ||||
| -rw-r--r-- | clippy_utils/src/ast_utils.rs | 4 |
7 files changed, 31 insertions, 30 deletions
diff --git a/clippy_lints/src/extra_unused_type_parameters.rs b/clippy_lints/src/extra_unused_type_parameters.rs index 6ad879b9fe7..81152da8c85 100644 --- a/clippy_lints/src/extra_unused_type_parameters.rs +++ b/clippy_lints/src/extra_unused_type_parameters.rs @@ -6,7 +6,7 @@ use rustc_errors::Applicability; use rustc_hir::intravisit::{Visitor, walk_impl_item, walk_item, walk_param_bound, walk_ty}; use rustc_hir::{ BodyId, ExprKind, GenericBound, GenericParam, GenericParamKind, Generics, ImplItem, ImplItemKind, Item, ItemKind, - PredicateOrigin, Ty, WherePredicate, + PredicateOrigin, Ty, WherePredicate, WherePredicateKind }; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::hir::nested_filter; @@ -205,12 +205,13 @@ impl<'tcx> Visitor<'tcx> for TypeWalker<'_, 'tcx> { } fn visit_where_predicate(&mut self, predicate: &'tcx WherePredicate<'tcx>) { - if let WherePredicate::BoundPredicate(predicate) = predicate { + let span = predicate.span; + if let WherePredicateKind::BoundPredicate(predicate) = predicate.kind { // Collect spans for any bounds on type parameters. if let Some((def_id, _)) = predicate.bounded_ty.peel_refs().as_generic_param() { match predicate.origin { PredicateOrigin::GenericParam => { - self.inline_bounds.insert(def_id, predicate.span); + self.inline_bounds.insert(def_id, span); }, PredicateOrigin::WhereClause => { self.where_bounds.insert(def_id); diff --git a/clippy_lints/src/implied_bounds_in_impls.rs b/clippy_lints/src/implied_bounds_in_impls.rs index 65fdc93e0ed..4427edb752e 100644 --- a/clippy_lints/src/implied_bounds_in_impls.rs +++ b/clippy_lints/src/implied_bounds_in_impls.rs @@ -4,7 +4,7 @@ use rustc_errors::{Applicability, SuggestionStyle}; use rustc_hir::def_id::DefId; use rustc_hir::{ AssocItemConstraint, GenericArg, GenericBound, GenericBounds, PredicateOrigin, TraitBoundModifiers, TyKind, - WherePredicate, + WherePredicateKind, }; use rustc_hir_analysis::lower_ty; use rustc_lint::{LateContext, LateLintPass}; @@ -324,7 +324,7 @@ fn check<'tcx>(cx: &LateContext<'tcx>, bounds: GenericBounds<'tcx>) { impl<'tcx> LateLintPass<'tcx> for ImpliedBoundsInImpls { fn check_generics(&mut self, cx: &LateContext<'tcx>, generics: &rustc_hir::Generics<'tcx>) { for predicate in generics.predicates { - if let WherePredicate::BoundPredicate(predicate) = predicate + if let WherePredicateKind::BoundPredicate(predicate) = predicate.kind // In theory, the origin doesn't really matter, // we *could* also lint on explicit where clauses written out by the user, // not just impl trait desugared ones, but that contradicts with the lint name... diff --git a/clippy_lints/src/lifetimes.rs b/clippy_lints/src/lifetimes.rs index ce0e1a24a7b..6ff1a1e5ec7 100644 --- a/clippy_lints/src/lifetimes.rs +++ b/clippy_lints/src/lifetimes.rs @@ -12,7 +12,7 @@ use rustc_hir::intravisit::{ use rustc_hir::{ BareFnTy, BodyId, FnDecl, FnSig, GenericArg, GenericArgs, GenericBound, GenericParam, GenericParamKind, Generics, Impl, ImplItem, ImplItemKind, Item, ItemKind, Lifetime, LifetimeName, LifetimeParamKind, Node, PolyTraitRef, - PredicateOrigin, TraitFn, TraitItem, TraitItemKind, Ty, TyKind, WherePredicate, lang_items, + PredicateOrigin, TraitFn, TraitItem, TraitItemKind, Ty, TyKind, WherePredicate, WherePredicateKind, lang_items, }; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::hir::map::Map; @@ -442,9 +442,9 @@ impl<'tcx> Visitor<'tcx> for RefVisitor<'_, 'tcx> { /// reason about elision. fn has_where_lifetimes<'tcx>(cx: &LateContext<'tcx>, generics: &'tcx Generics<'_>) -> bool { for predicate in generics.predicates { - match *predicate { - WherePredicate::RegionPredicate(..) => return true, - WherePredicate::BoundPredicate(ref pred) => { + match *predicate.kind { + WherePredicateKind::RegionPredicate(..) => return true, + WherePredicateKind::BoundPredicate(ref pred) => { // a predicate like F: Trait or F: for<'a> Trait<'a> let mut visitor = RefVisitor::new(cx); // walk the type F, it may not contain LT refs @@ -467,7 +467,7 @@ fn has_where_lifetimes<'tcx>(cx: &LateContext<'tcx>, generics: &'tcx Generics<'_ } } }, - WherePredicate::EqPredicate(ref pred) => { + WherePredicateKind::EqPredicate(ref pred) => { let mut visitor = RefVisitor::new(cx); walk_ty(&mut visitor, pred.lhs_ty); walk_ty(&mut visitor, pred.rhs_ty); diff --git a/clippy_lints/src/multiple_bound_locations.rs b/clippy_lints/src/multiple_bound_locations.rs index d276e29bace..882ab2dda7a 100644 --- a/clippy_lints/src/multiple_bound_locations.rs +++ b/clippy_lints/src/multiple_bound_locations.rs @@ -1,5 +1,5 @@ use rustc_ast::visit::FnKind; -use rustc_ast::{NodeId, WherePredicate}; +use rustc_ast::{NodeId, WherePredicateKind}; use rustc_data_structures::fx::FxHashMap; use rustc_lint::{EarlyContext, EarlyLintPass}; use rustc_session::declare_lint_pass; @@ -51,8 +51,8 @@ impl EarlyLintPass for MultipleBoundLocations { } } for clause in &generics.where_clause.predicates { - match clause { - WherePredicate::BoundPredicate(pred) => { + match &clause.kind { + WherePredicateKind::BoundPredicate(pred) => { if (!pred.bound_generic_params.is_empty() || !pred.bounds.is_empty()) && let Some(Some(bound_span)) = pred .bounded_ty @@ -62,14 +62,14 @@ impl EarlyLintPass for MultipleBoundLocations { emit_lint(cx, *bound_span, pred.bounded_ty.span); } }, - WherePredicate::RegionPredicate(pred) => { + WherePredicateKind::RegionPredicate(pred) => { if !pred.bounds.is_empty() && let Some(bound_span) = generic_params_with_bounds.get(&pred.lifetime.ident.name.as_str()) { emit_lint(cx, *bound_span, pred.lifetime.ident.span); } }, - WherePredicate::EqPredicate(_) => {}, + WherePredicateKind::EqPredicate(_) => {}, } } } diff --git a/clippy_lints/src/needless_maybe_sized.rs b/clippy_lints/src/needless_maybe_sized.rs index 852a0ce8c6d..ad6313e391b 100644 --- a/clippy_lints/src/needless_maybe_sized.rs +++ b/clippy_lints/src/needless_maybe_sized.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use rustc_errors::Applicability; use rustc_hir::def_id::{DefId, DefIdMap}; -use rustc_hir::{BoundPolarity, GenericBound, Generics, PolyTraitRef, TraitBoundModifiers, WherePredicate}; +use rustc_hir::{BoundPolarity, GenericBound, Generics, PolyTraitRef, TraitBoundModifiers, WherePredicateKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{ClauseKind, PredicatePolarity}; use rustc_session::declare_lint_pass; @@ -52,7 +52,7 @@ fn type_param_bounds<'tcx>(generics: &'tcx Generics<'tcx>) -> impl Iterator<Item .iter() .enumerate() .filter_map(|(predicate_pos, predicate)| { - let WherePredicate::BoundPredicate(bound_predicate) = predicate else { + let WherePredicateKind::BoundPredicate(bound_predicate) = &predicate.kind else { return None; }; diff --git a/clippy_lints/src/trait_bounds.rs b/clippy_lints/src/trait_bounds.rs index 07bf4319ff0..6f3c6682305 100644 --- a/clippy_lints/src/trait_bounds.rs +++ b/clippy_lints/src/trait_bounds.rs @@ -11,7 +11,7 @@ use rustc_errors::Applicability; use rustc_hir::def::Res; use rustc_hir::{ BoundPolarity, GenericBound, Generics, Item, ItemKind, LangItem, Node, Path, PathSegment, PredicateOrigin, QPath, - TraitBoundModifiers, TraitItem, TraitRef, Ty, TyKind, WherePredicate, + TraitBoundModifiers, TraitItem, TraitRef, Ty, TyKind, WherePredicateKind, }; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::impl_lint_pass; @@ -124,9 +124,9 @@ impl<'tcx> LateLintPass<'tcx> for TraitBounds { let mut self_bounds_map = FxHashMap::default(); for predicate in item.generics.predicates { - if let WherePredicate::BoundPredicate(bound_predicate) = predicate + if let WherePredicateKind::BoundPredicate(bound_predicate) = predicate.kind && bound_predicate.origin != PredicateOrigin::ImplTrait - && !bound_predicate.span.from_expansion() + && !predicate.span.from_expansion() && let TyKind::Path(QPath::Resolved(_, Path { segments, .. })) = bound_predicate.bounded_ty.kind && let Some(PathSegment { res: Res::SelfTyParam { trait_: def_id }, @@ -268,10 +268,10 @@ impl TraitBounds { let mut map: UnhashMap<SpanlessTy<'_, '_>, Vec<&GenericBound<'_>>> = UnhashMap::default(); let mut applicability = Applicability::MaybeIncorrect; for bound in generics.predicates { - if let WherePredicate::BoundPredicate(p) = bound + if let WherePredicateKind::BoundPredicate(p) = bound.kind && p.origin != PredicateOrigin::ImplTrait && p.bounds.len() as u64 <= self.max_trait_bounds - && !p.span.from_expansion() + && !bound.span.from_expansion() && let bounds = p .bounds .iter() @@ -295,7 +295,7 @@ impl TraitBounds { span_lint_and_help( cx, TYPE_REPETITION_IN_BOUNDS, - p.span, + bound.span, "this type has already been used as a bound predicate", None, hint_string, @@ -322,8 +322,8 @@ fn check_trait_bound_duplication<'tcx>(cx: &LateContext<'tcx>, generics: &'_ Gen .predicates .iter() .filter_map(|pred| { - if pred.in_where_clause() - && let WherePredicate::BoundPredicate(bound_predicate) = pred + if pred.kind.in_where_clause() + && let WherePredicateKind::BoundPredicate(bound_predicate) = pred.kind && let TyKind::Path(QPath::Resolved(_, path)) = bound_predicate.bounded_ty.kind { return Some( @@ -347,10 +347,10 @@ fn check_trait_bound_duplication<'tcx>(cx: &LateContext<'tcx>, generics: &'_ Gen // | // compare trait bounds keyed by generic name and comparable trait to collected where // predicates eg. (T, Clone) - for predicate in generics.predicates.iter().filter(|pred| !pred.in_where_clause()) { - if let WherePredicate::BoundPredicate(bound_predicate) = predicate + for predicate in generics.predicates.iter().filter(|pred| !pred.kind.in_where_clause()) { + if let WherePredicateKind::BoundPredicate(bound_predicate) = predicate.kind && bound_predicate.origin != PredicateOrigin::ImplTrait - && !bound_predicate.span.from_expansion() + && !predicate.span.from_expansion() && let TyKind::Path(QPath::Resolved(_, path)) = bound_predicate.bounded_ty.kind { let traits = rollup_traits(cx, bound_predicate.bounds, "these bounds contain repeated elements"); diff --git a/clippy_utils/src/ast_utils.rs b/clippy_utils/src/ast_utils.rs index 0be6dc15a8e..c90f4a6ebfe 100644 --- a/clippy_utils/src/ast_utils.rs +++ b/clippy_utils/src/ast_utils.rs @@ -661,8 +661,8 @@ pub fn eq_generics(l: &Generics, r: &Generics) -> bool { } pub fn eq_where_predicate(l: &WherePredicate, r: &WherePredicate) -> bool { - use WherePredicate::*; - match (l, r) { + use WherePredicateKind::*; + match (&l.kind, &r.kind) { (BoundPredicate(l), BoundPredicate(r)) => { over(&l.bound_generic_params, &r.bound_generic_params, |l, r| { eq_generic_param(l, r) |
