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| author | Mahdi Dibaiee <mdibaiee@pm.me> | 2023-07-11 22:35:29 +0100 |
|---|---|---|
| committer | Mahdi Dibaiee <mdibaiee@pm.me> | 2023-07-14 13:27:35 +0100 |
| commit | fdb2e363d33e04aa306041e2c084e13c6ce489e1 (patch) | |
| tree | cb31ee729e17f74f6a8b3617c60e419937c07ffb /clippy_lints | |
| parent | 660ef4ffe8d58ba236555f7c191334b82ce5025f (diff) | |
| download | rust-fdb2e363d33e04aa306041e2c084e13c6ce489e1.tar.gz rust-fdb2e363d33e04aa306041e2c084e13c6ce489e1.zip | |
refactor(rustc_middle): Substs -> GenericArg
Diffstat (limited to 'clippy_lints')
85 files changed, 243 insertions, 243 deletions
diff --git a/clippy_lints/src/assertions_on_result_states.rs b/clippy_lints/src/assertions_on_result_states.rs index f6d6c23bb6e..2980c9d6db3 100644 --- a/clippy_lints/src/assertions_on_result_states.rs +++ b/clippy_lints/src/assertions_on_result_states.rs @@ -47,7 +47,7 @@ impl<'tcx> LateLintPass<'tcx> for AssertionsOnResultStates { && let result_type_with_refs = cx.typeck_results().expr_ty(recv) && let result_type = result_type_with_refs.peel_refs() && is_type_diagnostic_item(cx, result_type, sym::Result) - && let ty::Adt(_, substs) = result_type.kind() + && let ty::Adt(_, args) = result_type.kind() { if !is_copy(cx, result_type) { if result_type_with_refs != result_type { @@ -61,7 +61,7 @@ impl<'tcx> LateLintPass<'tcx> for AssertionsOnResultStates { let semicolon = if is_expr_final_block_expr(cx.tcx, e) {";"} else {""}; let mut app = Applicability::MachineApplicable; match method_segment.ident.as_str() { - "is_ok" if type_suitable_to_unwrap(cx, substs.type_at(1)) => { + "is_ok" if type_suitable_to_unwrap(cx, args.type_at(1)) => { span_lint_and_sugg( cx, ASSERTIONS_ON_RESULT_STATES, @@ -75,7 +75,7 @@ impl<'tcx> LateLintPass<'tcx> for AssertionsOnResultStates { app, ); } - "is_err" if type_suitable_to_unwrap(cx, substs.type_at(0)) => { + "is_err" if type_suitable_to_unwrap(cx, args.type_at(0)) => { span_lint_and_sugg( cx, ASSERTIONS_ON_RESULT_STATES, diff --git a/clippy_lints/src/bool_assert_comparison.rs b/clippy_lints/src/bool_assert_comparison.rs index e8775b08144..d984fddc57a 100644 --- a/clippy_lints/src/bool_assert_comparison.rs +++ b/clippy_lints/src/bool_assert_comparison.rs @@ -61,7 +61,7 @@ fn is_impl_not_trait_with_bool_out<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) - ) }) .map_or(false, |assoc_item| { - let proj = Ty::new_projection(cx.tcx,assoc_item.def_id, cx.tcx.mk_substs_trait(ty, [])); + let proj = Ty::new_projection(cx.tcx,assoc_item.def_id, cx.tcx.mk_args_trait(ty, [])); let nty = cx.tcx.normalize_erasing_regions(cx.param_env, proj); nty.is_bool() diff --git a/clippy_lints/src/casts/as_ptr_cast_mut.rs b/clippy_lints/src/casts/as_ptr_cast_mut.rs index 1633ffd589c..fa1550a0ef9 100644 --- a/clippy_lints/src/casts/as_ptr_cast_mut.rs +++ b/clippy_lints/src/casts/as_ptr_cast_mut.rs @@ -17,7 +17,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, cast_expr: &Expr<'_>, && let ExprKind::MethodCall(method_name, receiver, [], _) = cast_expr.peel_blocks().kind && method_name.ident.name == rustc_span::sym::as_ptr && let Some(as_ptr_did) = cx.typeck_results().type_dependent_def_id(cast_expr.peel_blocks().hir_id) - && let as_ptr_sig = cx.tcx.fn_sig(as_ptr_did).subst_identity() + && let as_ptr_sig = cx.tcx.fn_sig(as_ptr_did).instantiate_identity() && let Some(first_param_ty) = as_ptr_sig.skip_binder().inputs().iter().next() && let ty::Ref(_, _, Mutability::Not) = first_param_ty.kind() && let Some(recv) = snippet_opt(cx, receiver.span) diff --git a/clippy_lints/src/casts/cast_ptr_alignment.rs b/clippy_lints/src/casts/cast_ptr_alignment.rs index 6c8ee296c75..5bf467efa0f 100644 --- a/clippy_lints/src/casts/cast_ptr_alignment.rs +++ b/clippy_lints/src/casts/cast_ptr_alignment.rs @@ -66,7 +66,7 @@ fn is_used_as_unaligned(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { if matches!(name.ident.as_str(), "read_unaligned" | "write_unaligned") && let Some(def_id) = cx.typeck_results().type_dependent_def_id(parent.hir_id) && let Some(def_id) = cx.tcx.impl_of_method(def_id) - && cx.tcx.type_of(def_id).subst_identity().is_unsafe_ptr() + && cx.tcx.type_of(def_id).instantiate_identity().is_unsafe_ptr() { true } else { diff --git a/clippy_lints/src/copy_iterator.rs b/clippy_lints/src/copy_iterator.rs index 0fc11523298..5d04ad0112d 100644 --- a/clippy_lints/src/copy_iterator.rs +++ b/clippy_lints/src/copy_iterator.rs @@ -43,7 +43,7 @@ impl<'tcx> LateLintPass<'tcx> for CopyIterator { of_trait: Some(ref trait_ref), .. }) = item.kind; - let ty = cx.tcx.type_of(item.owner_id).subst_identity(); + let ty = cx.tcx.type_of(item.owner_id).instantiate_identity(); if is_copy(cx, ty); if let Some(trait_id) = trait_ref.trait_def_id(); if cx.tcx.is_diagnostic_item(sym::Iterator, trait_id); diff --git a/clippy_lints/src/default.rs b/clippy_lints/src/default.rs index 80c22742ba4..763ad0264ad 100644 --- a/clippy_lints/src/default.rs +++ b/clippy_lints/src/default.rs @@ -150,7 +150,7 @@ impl<'tcx> LateLintPass<'tcx> for Default { .fields .iter() .all(|field| { - is_copy(cx, cx.tcx.type_of(field.did).subst_identity()) + is_copy(cx, cx.tcx.type_of(field.did).instantiate_identity()) }); if !has_drop(cx, binding_type) || all_fields_are_copy; then { @@ -219,11 +219,11 @@ impl<'tcx> LateLintPass<'tcx> for Default { // give correct suggestion if generics are involved (see #6944) let binding_type = if_chain! { - if let ty::Adt(adt_def, substs) = binding_type.kind(); - if !substs.is_empty(); + if let ty::Adt(adt_def, args) = binding_type.kind(); + if !args.is_empty(); then { let adt_def_ty_name = cx.tcx.item_name(adt_def.did()); - let generic_args = substs.iter().collect::<Vec<_>>(); + let generic_args = args.iter().collect::<Vec<_>>(); let tys_str = generic_args .iter() .map(ToString::to_string) diff --git a/clippy_lints/src/default_numeric_fallback.rs b/clippy_lints/src/default_numeric_fallback.rs index e53a9877b20..9217edcef07 100644 --- a/clippy_lints/src/default_numeric_fallback.rs +++ b/clippy_lints/src/default_numeric_fallback.rs @@ -141,7 +141,7 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> { ExprKind::MethodCall(_, receiver, args, _) => { if let Some(def_id) = self.cx.typeck_results().type_dependent_def_id(expr.hir_id) { - let fn_sig = self.cx.tcx.fn_sig(def_id).subst_identity().skip_binder(); + let fn_sig = self.cx.tcx.fn_sig(def_id).instantiate_identity().skip_binder(); for (expr, bound) in iter::zip(std::iter::once(*receiver).chain(args.iter()), fn_sig.inputs()) { self.ty_bounds.push((*bound).into()); self.visit_expr(expr); @@ -167,7 +167,7 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> { .iter() .find_map(|f_def| { if f_def.ident(self.cx.tcx) == field.ident - { Some(self.cx.tcx.type_of(f_def.did).subst_identity()) } + { Some(self.cx.tcx.type_of(f_def.did).instantiate_identity()) } else { None } }); self.ty_bounds.push(bound.into()); @@ -213,9 +213,9 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> { fn fn_sig_opt<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<PolyFnSig<'tcx>> { let node_ty = cx.typeck_results().node_type_opt(hir_id)?; - // We can't use `Ty::fn_sig` because it automatically performs substs, this may result in FNs. + // We can't use `Ty::fn_sig` because it automatically performs args, this may result in FNs. match node_ty.kind() { - ty::FnDef(def_id, _) => Some(cx.tcx.fn_sig(*def_id).subst_identity()), + ty::FnDef(def_id, _) => Some(cx.tcx.fn_sig(*def_id).instantiate_identity()), ty::FnPtr(fn_sig) => Some(*fn_sig), _ => None, } diff --git a/clippy_lints/src/dereference.rs b/clippy_lints/src/dereference.rs index 73556c1053e..0e7efd53390 100644 --- a/clippy_lints/src/dereference.rs +++ b/clippy_lints/src/dereference.rs @@ -739,7 +739,7 @@ fn walk_parents<'tcx>( span, .. }) if span.ctxt() == ctxt => { - let ty = cx.tcx.type_of(owner_id.def_id).subst_identity(); + let ty = cx.tcx.type_of(owner_id.def_id).instantiate_identity(); Some(ty_auto_deref_stability(cx.tcx, cx.param_env, ty, precedence).position_for_result(cx)) }, @@ -763,7 +763,7 @@ fn walk_parents<'tcx>( }) if span.ctxt() == ctxt => { let output = cx .tcx - .erase_late_bound_regions(cx.tcx.fn_sig(owner_id).subst_identity().output()); + .erase_late_bound_regions(cx.tcx.fn_sig(owner_id).instantiate_identity().output()); Some(ty_auto_deref_stability(cx.tcx, cx.param_env, output, precedence).position_for_result(cx)) }, @@ -785,7 +785,7 @@ fn walk_parents<'tcx>( cx.tcx, // Use the param_env of the target type. cx.tcx.param_env(adt.did()), - cx.tcx.type_of(field_def.did).subst_identity(), + cx.tcx.type_of(field_def.did).instantiate_identity(), precedence, ) .position_for_arg() @@ -808,7 +808,7 @@ fn walk_parents<'tcx>( } else { let output = cx .tcx - .erase_late_bound_regions(cx.tcx.fn_sig(owner_id).subst_identity().output()); + .erase_late_bound_regions(cx.tcx.fn_sig(owner_id).instantiate_identity().output()); ty_auto_deref_stability(cx.tcx, cx.param_env, output, precedence).position_for_result(cx) }, ) @@ -879,9 +879,9 @@ fn walk_parents<'tcx>( && let ty::Ref(_, sub_ty, _) = *arg_ty.kind() && let subs = cx .typeck_results() - .node_substs_opt(parent.hir_id).map(|subs| &subs[1..]).unwrap_or_default() + .node_args_opt(parent.hir_id).map(|subs| &subs[1..]).unwrap_or_default() && let impl_ty = if cx.tcx.fn_sig(fn_id) - .subst_identity() + .instantiate_identity() .skip_binder() .inputs()[0].is_ref() { @@ -905,7 +905,7 @@ fn walk_parents<'tcx>( return Some(Position::MethodReceiver); } args.iter().position(|arg| arg.hir_id == child_id).map(|i| { - let ty = cx.tcx.fn_sig(fn_id).subst_identity().input(i + 1); + let ty = cx.tcx.fn_sig(fn_id).instantiate_identity().input(i + 1); // `e.hir_id == child_id` for https://github.com/rust-lang/rust-clippy/issues/9739 // `method.args.is_none()` for https://github.com/rust-lang/rust-clippy/issues/9782 if e.hir_id == child_id @@ -1124,10 +1124,10 @@ fn needless_borrow_impl_arg_position<'tcx>( let sized_trait_def_id = cx.tcx.lang_items().sized_trait(); let Some(callee_def_id) = fn_def_id(cx, parent) else { return Position::Other(precedence) }; - let fn_sig = cx.tcx.fn_sig(callee_def_id).subst_identity().skip_binder(); - let substs_with_expr_ty = cx + let fn_sig = cx.tcx.fn_sig(callee_def_id).instantiate_identity().skip_binder(); + let args_with_expr_ty = cx .typeck_results() - .node_substs(if let ExprKind::Call(callee, _) = parent.kind { + .node_args(if let ExprKind::Call(callee, _) = parent.kind { callee.hir_id } else { parent.hir_id @@ -1181,9 +1181,9 @@ fn needless_borrow_impl_arg_position<'tcx>( return Position::Other(precedence); } - // `substs_with_referent_ty` can be constructed outside of `check_referent` because the same + // `args_with_referent_ty` can be constructed outside of `check_referent` because the same // elements are modified each time `check_referent` is called. - let mut substs_with_referent_ty = substs_with_expr_ty.to_vec(); + let mut args_with_referent_ty = args_with_expr_ty.to_vec(); let mut check_reference_and_referent = |reference, referent| { let referent_ty = cx.typeck_results().expr_ty(referent); @@ -1207,7 +1207,7 @@ fn needless_borrow_impl_arg_position<'tcx>( fn_sig, arg_index, &projection_predicates, - &mut substs_with_referent_ty, + &mut args_with_referent_ty, ) { return false; } @@ -1216,14 +1216,14 @@ fn needless_borrow_impl_arg_position<'tcx>( if let ClauseKind::Trait(trait_predicate) = predicate.kind().skip_binder() && cx.tcx.is_diagnostic_item(sym::IntoIterator, trait_predicate.trait_ref.def_id) && let ty::Param(param_ty) = trait_predicate.self_ty().kind() - && let GenericArgKind::Type(ty) = substs_with_referent_ty[param_ty.index as usize].unpack() + && let GenericArgKind::Type(ty) = args_with_referent_ty[param_ty.index as usize].unpack() && ty.is_array() && !msrv.meets(msrvs::ARRAY_INTO_ITERATOR) { return false; } - let predicate = EarlyBinder::bind(predicate).subst(cx.tcx, &substs_with_referent_ty); + let predicate = EarlyBinder::bind(predicate).instantiate(cx.tcx, &args_with_referent_ty); let obligation = Obligation::new(cx.tcx, ObligationCause::dummy(), cx.param_env, predicate); let infcx = cx.tcx.infer_ctxt().build(); infcx.predicate_must_hold_modulo_regions(&obligation) @@ -1252,7 +1252,7 @@ fn has_ref_mut_self_method(cx: &LateContext<'_>, trait_def_id: DefId) -> bool { .in_definition_order() .any(|assoc_item| { if assoc_item.fn_has_self_parameter { - let self_ty = cx.tcx.fn_sig(assoc_item.def_id).subst_identity().skip_binder().inputs()[0]; + let self_ty = cx.tcx.fn_sig(assoc_item.def_id).instantiate_identity().skip_binder().inputs()[0]; matches!(self_ty.kind(), ty::Ref(_, _, Mutability::Mut)) } else { false @@ -1323,7 +1323,7 @@ fn referent_used_exactly_once<'tcx>( } } -// Iteratively replaces `param_ty` with `new_ty` in `substs`, and similarly for each resulting +// Iteratively replaces `param_ty` with `new_ty` in `args`, and similarly for each resulting // projected type that is a type parameter. Returns `false` if replacing the types would have an // effect on the function signature beyond substituting `new_ty` for `param_ty`. // See: https://github.com/rust-lang/rust-clippy/pull/9136#discussion_r927212757 @@ -1334,11 +1334,11 @@ fn replace_types<'tcx>( fn_sig: FnSig<'tcx>, arg_index: usize, projection_predicates: &[ProjectionPredicate<'tcx>], - substs: &mut [ty::GenericArg<'tcx>], + args: &mut [ty::GenericArg<'tcx>], ) -> bool { - let mut replaced = BitSet::new_empty(substs.len()); + let mut replaced = BitSet::new_empty(args.len()); - let mut deque = VecDeque::with_capacity(substs.len()); + let mut deque = VecDeque::with_capacity(args.len()); deque.push_back((param_ty, new_ty)); while let Some((param_ty, new_ty)) = deque.pop_front() { @@ -1352,7 +1352,7 @@ fn replace_types<'tcx>( return false; } - substs[param_ty.index as usize] = ty::GenericArg::from(new_ty); + args[param_ty.index as usize] = ty::GenericArg::from(new_ty); // The `replaced.insert(...)` check provides some protection against infinite loops. if replaced.insert(param_ty.index) { @@ -1367,7 +1367,7 @@ fn replace_types<'tcx>( )); if let Ok(projected_ty) = cx.tcx.try_normalize_erasing_regions(cx.param_env, projection) - && substs[term_param_ty.index as usize] != ty::GenericArg::from(projected_ty) + && args[term_param_ty.index as usize] != ty::GenericArg::from(projected_ty) { deque.push_back((*term_param_ty, projected_ty)); } @@ -1442,7 +1442,7 @@ fn ty_auto_deref_stability<'tcx>( ty::Adt(..) if ty.has_placeholders() || ty.has_opaque_types() => { Position::ReborrowStable(precedence).into() }, - ty::Adt(_, substs) if substs.has_non_region_param() => { + ty::Adt(_, args) if args.has_non_region_param() => { TyPosition::new_deref_stable_for_result(precedence, ty) }, ty::Bool diff --git a/clippy_lints/src/derivable_impls.rs b/clippy_lints/src/derivable_impls.rs index 020ffe7f8fa..71b5104bed8 100644 --- a/clippy_lints/src/derivable_impls.rs +++ b/clippy_lints/src/derivable_impls.rs @@ -10,7 +10,7 @@ use rustc_hir::{ }; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::adjustment::{Adjust, PointerCoercion}; -use rustc_middle::ty::{self, Adt, AdtDef, SubstsRef, Ty, TypeckResults}; +use rustc_middle::ty::{self, Adt, AdtDef, GenericArgsRef, Ty, TypeckResults}; use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::sym; @@ -80,7 +80,7 @@ fn is_path_self(e: &Expr<'_>) -> bool { fn contains_trait_object(ty: Ty<'_>) -> bool { match ty.kind() { ty::Ref(_, ty, _) => contains_trait_object(*ty), - ty::Adt(def, substs) => def.is_box() && substs[0].as_type().map_or(false, contains_trait_object), + ty::Adt(def, args) => def.is_box() && args[0].as_type().map_or(false, contains_trait_object), ty::Dynamic(..) => true, _ => false, } @@ -92,18 +92,18 @@ fn check_struct<'tcx>( self_ty: &hir::Ty<'_>, func_expr: &Expr<'_>, adt_def: AdtDef<'_>, - substs: SubstsRef<'_>, + ty_args: GenericArgsRef<'_>, typeck_results: &'tcx TypeckResults<'tcx>, ) { if let TyKind::Path(QPath::Resolved(_, p)) = self_ty.kind { if let Some(PathSegment { args, .. }) = p.segments.last() { let args = args.map(|a| a.args).unwrap_or(&[]); - // substs contains the generic parameters of the type declaration, while args contains the arguments + // ty_args contains the generic parameters of the type declaration, while args contains the arguments // used at instantiation time. If both len are not equal, it means that some parameters were not // provided (which means that the default values were used); in this case we will not risk // suggesting too broad a rewrite. We won't either if any argument is a type or a const. - if substs.len() != args.len() || args.iter().any(|arg| !matches!(arg, GenericArg::Lifetime(_))) { + if ty_args.len() != args.len() || args.iter().any(|arg| !matches!(arg, GenericArg::Lifetime(_))) { return; } } @@ -214,7 +214,7 @@ impl<'tcx> LateLintPass<'tcx> for DerivableImpls { if let Some(Node::ImplItem(impl_item)) = cx.tcx.hir().find(impl_item_hir); if let ImplItemKind::Fn(_, b) = &impl_item.kind; if let Body { value: func_expr, .. } = cx.tcx.hir().body(*b); - if let &Adt(adt_def, substs) = cx.tcx.type_of(item.owner_id).subst_identity().kind(); + if let &Adt(adt_def, args) = cx.tcx.type_of(item.owner_id).instantiate_identity().kind(); if let attrs = cx.tcx.hir().attrs(item.hir_id()); if !attrs.iter().any(|attr| attr.doc_str().is_some()); if let child_attrs = cx.tcx.hir().attrs(impl_item_hir); @@ -222,7 +222,7 @@ impl<'tcx> LateLintPass<'tcx> for DerivableImpls { then { if adt_def.is_struct() { - check_struct(cx, item, self_ty, func_expr, adt_def, substs, cx.tcx.typeck_body(*b)); + check_struct(cx, item, self_ty, func_expr, adt_def, args, cx.tcx.typeck_body(*b)); } else if adt_def.is_enum() && self.msrv.meets(msrvs::DEFAULT_ENUM_ATTRIBUTE) { check_enum(cx, item, func_expr, adt_def); } diff --git a/clippy_lints/src/derive.rs b/clippy_lints/src/derive.rs index a005a360e9c..78e7f93e2bf 100644 --- a/clippy_lints/src/derive.rs +++ b/clippy_lints/src/derive.rs @@ -211,7 +211,7 @@ impl<'tcx> LateLintPass<'tcx> for Derive { .. }) = item.kind { - let ty = cx.tcx.type_of(item.owner_id).subst_identity(); + let ty = cx.tcx.type_of(item.owner_id).instantiate_identity(); let is_automatically_derived = cx.tcx.has_attr(item.owner_id, sym::automatically_derived); check_hash_peq(cx, item.span, trait_ref, ty, is_automatically_derived); @@ -252,7 +252,7 @@ fn check_hash_peq<'tcx>( // Only care about `impl PartialEq<Foo> for Foo` // For `impl PartialEq<B> for A, input_types is [A, B] - if trait_ref.subst_identity().substs.type_at(1) == ty { + if trait_ref.instantiate_identity().args.type_at(1) == ty { span_lint_and_then( cx, DERIVED_HASH_WITH_MANUAL_EQ, @@ -300,7 +300,7 @@ fn check_ord_partial_ord<'tcx>( // Only care about `impl PartialOrd<Foo> for Foo` // For `impl PartialOrd<B> for A, input_types is [A, B] - if trait_ref.subst_identity().substs.type_at(1) == ty { + if trait_ref.instantiate_identity().args.type_at(1) == ty { let mess = if partial_ord_is_automatically_derived { "you are implementing `Ord` explicitly but have derived `PartialOrd`" } else { @@ -347,7 +347,7 @@ fn check_copy_clone<'tcx>(cx: &LateContext<'tcx>, item: &Item<'_>, trait_ref: &h let has_copy_impl = cx.tcx.all_local_trait_impls(()).get(©_id).map_or(false, |impls| { impls .iter() - .any(|&id| matches!(cx.tcx.type_of(id).subst_identity().kind(), ty::Adt(adt, _) if ty_adt.did() == adt.did())) + .any(|&id| matches!(cx.tcx.type_of(id).instantiate_identity().kind(), ty::Adt(adt, _) if ty_adt.did() == adt.did())) }); if !has_copy_impl { return; @@ -464,7 +464,7 @@ impl<'tcx> Visitor<'tcx> for UnsafeVisitor<'_, 'tcx> { /// Implementation of the `DERIVE_PARTIAL_EQ_WITHOUT_EQ` lint. fn check_partial_eq_without_eq<'tcx>(cx: &LateContext<'tcx>, span: Span, trait_ref: &hir::TraitRef<'_>, ty: Ty<'tcx>) { if_chain! { - if let ty::Adt(adt, substs) = ty.kind(); + if let ty::Adt(adt, args) = ty.kind(); if cx.tcx.visibility(adt.did()).is_public(); if let Some(eq_trait_def_id) = cx.tcx.get_diagnostic_item(sym::Eq); if let Some(def_id) = trait_ref.trait_def_id(); @@ -474,7 +474,7 @@ fn check_partial_eq_without_eq<'tcx>(cx: &LateContext<'tcx>, span: Span, trait_r // If all of our fields implement `Eq`, we can implement `Eq` too if adt .all_fields() - .map(|f| f.ty(cx.tcx, substs)) + .map(|f| f.ty(cx.tcx, args)) .all(|ty| implements_trait_with_env(cx.tcx, param_env, ty, eq_trait_def_id, [])); then { span_lint_and_sugg( diff --git a/clippy_lints/src/empty_enum.rs b/clippy_lints/src/empty_enum.rs index d94664daa56..1701d061128 100644 --- a/clippy_lints/src/empty_enum.rs +++ b/clippy_lints/src/empty_enum.rs @@ -49,7 +49,7 @@ impl<'tcx> LateLintPass<'tcx> for EmptyEnum { } if let ItemKind::Enum(..) = item.kind { - let ty = cx.tcx.type_of(item.owner_id).subst_identity(); + let ty = cx.tcx.type_of(item.owner_id).instantiate_identity(); let adt = ty.ty_adt_def().expect("already checked whether this is an enum"); if adt.variants().is_empty() { span_lint_and_help( diff --git a/clippy_lints/src/enum_clike.rs b/clippy_lints/src/enum_clike.rs index d85650712db..96c5c7fc509 100644 --- a/clippy_lints/src/enum_clike.rs +++ b/clippy_lints/src/enum_clike.rs @@ -45,7 +45,7 @@ impl<'tcx> LateLintPass<'tcx> for UnportableVariant { for var in def.variants { if let Some(anon_const) = &var.disr_expr { let def_id = cx.tcx.hir().body_owner_def_id(anon_const.body); - let mut ty = cx.tcx.type_of(def_id.to_def_id()).subst_identity(); + let mut ty = cx.tcx.type_of(def_id.to_def_id()).instantiate_identity(); let constant = cx .tcx .const_eval_poly(def_id.to_def_id()) diff --git a/clippy_lints/src/eta_reduction.rs b/clippy_lints/src/eta_reduction.rs index 58e62d1f3d3..22e10accd35 100644 --- a/clippy_lints/src/eta_reduction.rs +++ b/clippy_lints/src/eta_reduction.rs @@ -11,7 +11,7 @@ use rustc_hir::{Closure, Expr, ExprKind, Param, PatKind, Unsafety}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow}; use rustc_middle::ty::binding::BindingMode; -use rustc_middle::ty::{self, EarlyBinder, SubstsRef, Ty, TypeVisitableExt}; +use rustc_middle::ty::{self, EarlyBinder, GenericArgsRef, Ty, TypeVisitableExt}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::symbol::sym; @@ -108,18 +108,18 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction { if check_inputs(cx, body.params, None, args); let callee_ty = cx.typeck_results().expr_ty_adjusted(callee); let call_ty = cx.typeck_results().type_dependent_def_id(body.value.hir_id) - .map_or(callee_ty, |id| cx.tcx.type_of(id).subst_identity()); + .map_or(callee_ty, |id| cx.tcx.type_of(id).instantiate_identity()); if check_sig(cx, closure_ty, call_ty); - let substs = cx.typeck_results().node_substs(callee.hir_id); + let args = cx.typeck_results().node_args(callee.hir_id); // This fixes some false positives that I don't entirely understand - if substs.is_empty() || !cx.typeck_results().expr_ty(expr).has_late_bound_regions(); + if args.is_empty() || !cx.typeck_results().expr_ty(expr).has_late_bound_regions(); // A type param function ref like `T::f` is not 'static, however // it is if cast like `T::f as fn()`. This seems like a rustc bug. - if !substs.types().any(|t| matches!(t.kind(), ty::Param(_))); + if !args.types().any(|t| matches!(t.kind(), ty::Param(_))); let callee_ty_unadjusted = cx.typeck_results().expr_ty(callee).peel_refs(); if !is_type_diagnostic_item(cx, callee_ty_unadjusted, sym::Arc); if !is_type_diagnostic_item(cx, callee_ty_unadjusted, sym::Rc); - if let ty::Closure(_, substs) = *closure_ty.kind(); + if let ty::Closure(_, args) = *closure_ty.kind(); // Don't lint if this is an inclusive range expression. // They desugar to a call to `RangeInclusiveNew` which would have odd suggestions. (#10684) if !matches!(higher::Range::hir(body.value), Some(higher::Range { @@ -131,7 +131,7 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction { span_lint_and_then(cx, REDUNDANT_CLOSURE, expr.span, "redundant closure", |diag| { if let Some(mut snippet) = snippet_opt(cx, callee.span) { if let Some(fn_mut_id) = cx.tcx.lang_items().fn_mut_trait() - && let args = cx.tcx.erase_late_bound_regions(substs.as_closure().sig()).inputs() + && let args = cx.tcx.erase_late_bound_regions(args.as_closure().sig()).inputs() && implements_trait( cx, callee_ty.peel_refs(), @@ -160,12 +160,12 @@ impl<'tcx> LateLintPass<'tcx> for EtaReduction { if let ExprKind::MethodCall(path, receiver, args, _) = body.value.kind; if check_inputs(cx, body.params, Some(receiver), args); let method_def_id = cx.typeck_results().type_dependent_def_id(body.value.hir_id).unwrap(); - let substs = cx.typeck_results().node_substs(body.value.hir_id); - let call_ty = cx.tcx.type_of(method_def_id).subst(cx.tcx, substs); + let args = cx.typeck_results().node_args(body.value.hir_id); + let call_ty = cx.tcx.type_of(method_def_id).instantiate(cx.tcx, args); if check_sig(cx, closure_ty, call_ty); then { span_lint_and_then(cx, REDUNDANT_CLOSURE_FOR_METHOD_CALLS, expr.span, "redundant closure", |diag| { - let name = get_ufcs_type_name(cx, method_def_id, substs); + let name = get_ufcs_type_name(cx, method_def_id, args); diag.span_suggestion( expr.span, "replace the closure with the method itself", @@ -228,14 +228,14 @@ fn check_sig<'tcx>(cx: &LateContext<'tcx>, closure_ty: Ty<'tcx>, call_ty: Ty<'tc if !closure_ty.has_late_bound_regions() { return true; } - let ty::Closure(_, substs) = closure_ty.kind() else { + let ty::Closure(_, args) = closure_ty.kind() else { return false; }; - let closure_sig = cx.tcx.signature_unclosure(substs.as_closure().sig(), Unsafety::Normal); + let closure_sig = cx.tcx.signature_unclosure(args.as_closure().sig(), Unsafety::Normal); cx.tcx.erase_late_bound_regions(closure_sig) == cx.tcx.erase_late_bound_regions(call_sig) } -fn get_ufcs_type_name<'tcx>(cx: &LateContext<'tcx>, method_def_id: DefId, substs: SubstsRef<'tcx>) -> String { +fn get_ufcs_type_name<'tcx>(cx: &LateContext<'tcx>, method_def_id: DefId, args: GenericArgsRef<'tcx>) -> String { let assoc_item = cx.tcx.associated_item(method_def_id); let def_id = assoc_item.container_id(cx.tcx); match assoc_item.container { @@ -251,7 +251,7 @@ fn get_ufcs_type_name<'tcx>(cx: &LateContext<'tcx>, method_def_id: DefId, substs | ty::Ref(..) | ty::Slice(_) | ty::Tuple(_) => { - format!("<{}>", EarlyBinder::bind(ty).subst(cx.tcx, substs)) + format!("<{}>", EarlyBinder::bind(ty).instantiate(cx.tcx, args)) }, _ => ty.to_string(), } diff --git a/clippy_lints/src/from_over_into.rs b/clippy_lints/src/from_over_into.rs index 92d67ef359d..35061fc64c9 100644 --- a/clippy_lints/src/from_over_into.rs +++ b/clippy_lints/src/from_over_into.rs @@ -76,9 +76,9 @@ impl<'tcx> LateLintPass<'tcx> for FromOverInto { && let Some(into_trait_seg) = hir_trait_ref.path.segments.last() // `impl Into<target_ty> for self_ty` && let Some(GenericArgs { args: [GenericArg::Type(target_ty)], .. }) = into_trait_seg.args - && let Some(middle_trait_ref) = cx.tcx.impl_trait_ref(item.owner_id).map(ty::EarlyBinder::subst_identity) + && let Some(middle_trait_ref) = cx.tcx.impl_trait_ref(item.owner_id).map(ty::EarlyBinder::instantiate_identity) && cx.tcx.is_diagnostic_item(sym::Into, middle_trait_ref.def_id) - && !matches!(middle_trait_ref.substs.type_at(1).kind(), ty::Alias(ty::Opaque, _)) + && !matches!(middle_trait_ref.args.type_at(1).kind(), ty::Alias(ty::Opaque, _)) { span_lint_and_then( cx, diff --git a/clippy_lints/src/functions/must_use.rs b/clippy_lints/src/functions/must_use.rs index d0ad2628264..1b173de856b 100644 --- a/clippy_lints/src/functions/must_use.rs +++ b/clippy_lints/src/functions/must_use.rs @@ -198,14 +198,14 @@ fn is_mutable_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, tys: &mut DefIdSet) match *ty.kind() { // primitive types are never mutable ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::Str => false, - ty::Adt(adt, substs) => { + ty::Adt(adt, args) => { tys.insert(adt.did()) && !ty.is_freeze(cx.tcx, cx.param_env) || KNOWN_WRAPPER_TYS .iter() .any(|&sym| cx.tcx.is_diagnostic_item(sym, adt.did())) - && substs.types().any(|ty| is_mutable_ty(cx, ty, tys)) + && args.types().any(|ty| is_mutable_ty(cx, ty, tys)) }, - ty::Tuple(substs) => substs.iter().any(|ty| is_mutable_ty(cx, ty, tys)), + ty::Tuple(args) => args.iter().any(|ty| is_mutable_ty(cx, ty, tys)), ty::Array(ty, _) | ty::Slice(ty) => is_mutable_ty(cx, ty, tys), ty::RawPtr(ty::TypeAndMut { ty, mutbl }) | ty::Ref(_, ty, mutbl) => { mutbl == hir::Mutability::Mut || is_mutable_ty(cx, ty, tys) diff --git a/clippy_lints/src/functions/result.rs b/clippy_lints/src/functions/result.rs index fa2a9b30c05..90fc0d4f662 100644 --- a/clippy_lints/src/functions/result.rs +++ b/clippy_lints/src/functions/result.rs @@ -21,11 +21,11 @@ fn result_err_ty<'tcx>( ) -> Option<(&'tcx hir::Ty<'tcx>, Ty<'tcx>)> { if !in_external_macro(cx.sess(), item_span) && let hir::FnRetTy::Return(hir_ty) = decl.output - && let ty = cx.tcx.erase_late_bound_regions(cx.tcx.fn_sig(id).subst_identity().output()) + && let ty = cx.tcx.erase_late_bound_regions(cx.tcx.fn_sig(id).instantiate_identity().output()) && is_type_diagnostic_item(cx, ty, sym::Result) - && let ty::Adt(_, substs) = ty.kind() + && let ty::Adt(_, args) = ty.kind() { - let err_ty = substs.type_at(1); + let err_ty = args.type_at(1); Some((hir_ty, err_ty)) } else { None diff --git a/clippy_lints/src/future_not_send.rs b/clippy_lints/src/future_not_send.rs index 818ebd1134d..e54429aee8e 100644 --- a/clippy_lints/src/future_not_send.rs +++ b/clippy_lints/src/future_not_send.rs @@ -63,10 +63,10 @@ impl<'tcx> LateLintPass<'tcx> for FutureNotSend { return; } let ret_ty = return_ty(cx, cx.tcx.hir().local_def_id_to_hir_id(fn_def_id).expect_owner()); - if let ty::Alias(ty::Opaque, AliasTy { def_id, substs, .. }) = *ret_ty.kind() { + if let ty::Alias(ty::Opaque, AliasTy { def_id, args, .. }) = *ret_ty.kind() { let preds = cx.tcx.explicit_item_bounds(def_id); let mut is_future = false; - for (p, _span) in preds.subst_iter_copied(cx.tcx, substs) { + for (p, _span) in preds.arg_iter_copied(cx.tcx, args) { if let Some(trait_pred) = p.as_trait_clause() { if Some(trait_pred.skip_binder().trait_ref.def_id) == cx.tcx.lang_items().future_trait() { is_future = true; diff --git a/clippy_lints/src/implicit_saturating_sub.rs b/clippy_lints/src/implicit_saturating_sub.rs index 1e99b6faa6c..b99d4544681 100644 --- a/clippy_lints/src/implicit_saturating_sub.rs +++ b/clippy_lints/src/implicit_saturating_sub.rs @@ -102,7 +102,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitSaturatingSub { if let Some(const_id) = cx.typeck_results().type_dependent_def_id(cond_num_val.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(const_id); if let None = cx.tcx.impl_trait_ref(impl_id); // An inherent impl - if cx.tcx.type_of(impl_id).subst_identity().is_integral(); + if cx.tcx.type_of(impl_id).instantiate_identity().is_integral(); then { print_lint_and_sugg(cx, var_name, expr) } @@ -115,7 +115,7 @@ impl<'tcx> LateLintPass<'tcx> for ImplicitSaturatingSub { if let Some(func_id) = cx.typeck_results().type_dependent_def_id(func.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(func_id); if let None = cx.tcx.impl_trait_ref(impl_id); // An inherent impl - if cx.tcx.type_of(impl_id).subst_identity().is_integral(); + if cx.tcx.type_of(impl_id).instantiate_identity().is_integral(); then { print_lint_and_sugg(cx, var_name, expr) } diff --git a/clippy_lints/src/inherent_impl.rs b/clippy_lints/src/inherent_impl.rs index 7c41699f307..3ac40401e89 100644 --- a/clippy_lints/src/inherent_impl.rs +++ b/clippy_lints/src/inherent_impl.rs @@ -66,7 +66,7 @@ impl<'tcx> LateLintPass<'tcx> for MultipleInherentImpl { ) }) { for impl_id in impl_ids.iter().map(|id| id.expect_local()) { - let impl_ty = cx.tcx.type_of(impl_id).subst_identity(); + let impl_ty = cx.tcx.type_of(impl_id).instantiate_identity(); match type_map.entry(impl_ty) { Entry::Vacant(e) => { // Store the id for the first impl block of this type. The span is retrieved lazily. diff --git a/clippy_lints/src/iter_not_returning_iterator.rs b/clippy_lints/src/iter_not_returning_iterator.rs index c924d7361ce..bb100ec632e 100644 --- a/clippy_lints/src/iter_not_returning_iterator.rs +++ b/clippy_lints/src/iter_not_returning_iterator.rs @@ -68,7 +68,7 @@ fn check_sig(cx: &LateContext<'_>, name: &str, sig: &FnSig<'_>, fn_id: LocalDefI if sig.decl.implicit_self.has_implicit_self() { let ret_ty = cx .tcx - .erase_late_bound_regions(cx.tcx.fn_sig(fn_id).subst_identity().output()); + .erase_late_bound_regions(cx.tcx.fn_sig(fn_id).instantiate_identity().output()); let ret_ty = cx .tcx .try_normalize_erasing_regions(cx.param_env, ret_ty) diff --git a/clippy_lints/src/large_enum_variant.rs b/clippy_lints/src/large_enum_variant.rs index 1c99bd2f3d0..693218f8a9c 100644 --- a/clippy_lints/src/large_enum_variant.rs +++ b/clippy_lints/src/large_enum_variant.rs @@ -83,7 +83,7 @@ impl<'tcx> LateLintPass<'tcx> for LargeEnumVariant { return; } if let ItemKind::Enum(ref def, _) = item.kind { - let ty = cx.tcx.type_of(item.owner_id).subst_identity(); + let ty = cx.tcx.type_of(item.owner_id).instantiate_identity(); let Adt(adt, subst) = ty.kind() else { panic!("already checked whether this is an enum") }; @@ -169,8 +169,8 @@ impl<'tcx> LateLintPass<'tcx> for LargeEnumVariant { } fn maybe_copy<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { - if let Adt(_def, substs) = ty.kind() - && substs.types().next().is_some() + if let Adt(_def, args) = ty.kind() + && args.types().next().is_some() && let Some(copy_trait) = cx.tcx.lang_items().copy_trait() { return cx.tcx.non_blanket_impls_for_ty(copy_trait, ty).next().is_some(); diff --git a/clippy_lints/src/len_zero.rs b/clippy_lints/src/len_zero.rs index 17bd89efaee..83fa25c795a 100644 --- a/clippy_lints/src/len_zero.rs +++ b/clippy_lints/src/len_zero.rs @@ -145,7 +145,7 @@ impl<'tcx> LateLintPass<'tcx> for LenZero { if let Some(local_id) = ty_id.as_local(); let ty_hir_id = cx.tcx.hir().local_def_id_to_hir_id(local_id); if !is_lint_allowed(cx, LEN_WITHOUT_IS_EMPTY, ty_hir_id); - if let Some(output) = parse_len_output(cx, cx.tcx.fn_sig(item.owner_id).subst_identity().skip_binder()); + if let Some(output) = parse_len_output(cx, cx.tcx.fn_sig(item.owner_id).instantiate_identity().skip_binder()); then { let (name, kind) = match cx.tcx.hir().find(ty_hir_id) { Some(Node::ForeignItem(x)) => (x.ident.name, "extern type"), @@ -425,7 +425,7 @@ fn check_for_is_empty( if !(is_empty.fn_has_self_parameter && check_is_empty_sig( cx, - cx.tcx.fn_sig(is_empty.def_id).subst_identity().skip_binder(), + cx.tcx.fn_sig(is_empty.def_id).instantiate_identity().skip_binder(), self_kind, output, )) => diff --git a/clippy_lints/src/let_underscore.rs b/clippy_lints/src/let_underscore.rs index e6614180920..b7a47002080 100644 --- a/clippy_lints/src/let_underscore.rs +++ b/clippy_lints/src/let_underscore.rs @@ -5,7 +5,7 @@ use clippy_utils::{is_must_use_func_call, paths}; use rustc_hir::{Local, PatKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::lint::in_external_macro; -use rustc_middle::ty::subst::GenericArgKind; +use rustc_middle::ty::GenericArgKind; use rustc_middle::ty::IsSuggestable; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::{BytePos, Span}; diff --git a/clippy_lints/src/loops/explicit_iter_loop.rs b/clippy_lints/src/loops/explicit_iter_loop.rs index 5c5a4cfce88..a84a0a6eeb8 100644 --- a/clippy_lints/src/loops/explicit_iter_loop.rs +++ b/clippy_lints/src/loops/explicit_iter_loop.rs @@ -125,7 +125,7 @@ fn is_ref_iterable<'tcx>( } let res_ty = cx.tcx.erase_regions(EarlyBinder::bind(req_res_ty) - .subst(cx.tcx, typeck.node_substs(call_expr.hir_id))); + .instantiate(cx.tcx, typeck.node_args(call_expr.hir_id))); let mutbl = if let ty::Ref(_, _, mutbl) = *req_self_ty.kind() { Some(mutbl) } else { diff --git a/clippy_lints/src/loops/missing_spin_loop.rs b/clippy_lints/src/loops/missing_spin_loop.rs index 8412875b11b..0e49f08d898 100644 --- a/clippy_lints/src/loops/missing_spin_loop.rs +++ b/clippy_lints/src/loops/missing_spin_loop.rs @@ -35,7 +35,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, cond: &'tcx Expr<'_>, body: &' if let ExprKind::Block(Block { stmts: [], expr: None, ..}, _) = body.kind; if let ExprKind::MethodCall(method, callee, ..) = unpack_cond(cond).kind; if [sym::load, sym::compare_exchange, sym::compare_exchange_weak].contains(&method.ident.name); - if let ty::Adt(def, _substs) = cx.typeck_results().expr_ty(callee).kind(); + if let ty::Adt(def, _args) = cx.typeck_results().expr_ty(callee).kind(); if cx.tcx.is_diagnostic_item(sym::AtomicBool, def.did()); then { span_lint_and_sugg( diff --git a/clippy_lints/src/loops/needless_range_loop.rs b/clippy_lints/src/loops/needless_range_loop.rs index cb446567506..2c20e9e8693 100644 --- a/clippy_lints/src/loops/needless_range_loop.rs +++ b/clippy_lints/src/loops/needless_range_loop.rs @@ -370,7 +370,7 @@ impl<'a, 'tcx> Visitor<'tcx> for VarVisitor<'a, 'tcx> { ExprKind::MethodCall(_, receiver, args, _) => { let def_id = self.cx.typeck_results().type_dependent_def_id(expr.hir_id).unwrap(); for (ty, expr) in iter::zip( - self.cx.tcx.fn_sig(def_id).subst_identity().inputs().skip_binder(), + self.cx.tcx.fn_sig(def_id).instantiate_identity().inputs().skip_binder(), std::iter::once(receiver).chain(args.iter()), ) { self.prefer_mutable = false; diff --git a/clippy_lints/src/manual_bits.rs b/clippy_lints/src/manual_bits.rs index 4629b22d171..6c7c57ba1d6 100644 --- a/clippy_lints/src/manual_bits.rs +++ b/clippy_lints/src/manual_bits.rs @@ -110,7 +110,7 @@ fn get_size_of_ty<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) -> Option< if let Some(def_id) = cx.qpath_res(count_func_qpath, count_func.hir_id).opt_def_id(); if cx.tcx.is_diagnostic_item(sym::mem_size_of, def_id); then { - cx.typeck_results().node_substs(count_func.hir_id).types().next().map(|resolved_ty| (*real_ty, resolved_ty)) + cx.typeck_results().node_args(count_func.hir_id).types().next().map(|resolved_ty| (*real_ty, resolved_ty)) } else { None } diff --git a/clippy_lints/src/manual_slice_size_calculation.rs b/clippy_lints/src/manual_slice_size_calculation.rs index 703a6b25840..f97600b53e4 100644 --- a/clippy_lints/src/manual_slice_size_calculation.rs +++ b/clippy_lints/src/manual_slice_size_calculation.rs @@ -92,7 +92,7 @@ fn simplify_half<'tcx>( && let ExprKind::Path(ref func_qpath) = func.kind && let Some(def_id) = cx.qpath_res(func_qpath, func.hir_id).opt_def_id() && cx.tcx.is_diagnostic_item(sym::mem_size_of, def_id) - && let Some(ty2) = cx.typeck_results().node_substs(func.hir_id).types().next() + && let Some(ty2) = cx.typeck_results().node_args(func.hir_id).types().next() // T1 == T2? && *ty1 == ty2 { diff --git a/clippy_lints/src/map_unit_fn.rs b/clippy_lints/src/map_unit_fn.rs index edcab6968cb..75605fb3091 100644 --- a/clippy_lints/src/map_unit_fn.rs +++ b/clippy_lints/src/map_unit_fn.rs @@ -104,7 +104,7 @@ fn is_unit_function(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool { let ty = cx.typeck_results().expr_ty(expr); if let ty::FnDef(id, _) = *ty.kind() { - if let Some(fn_type) = cx.tcx.fn_sig(id).subst_identity().no_bound_vars() { + if let Some(fn_type) = cx.tcx.fn_sig(id).instantiate_identity().no_bound_vars() { return is_unit_type(fn_type.output()); } } diff --git a/clippy_lints/src/matches/match_as_ref.rs b/clippy_lints/src/matches/match_as_ref.rs index 2818f030b7a..29c6e11134f 100644 --- a/clippy_lints/src/matches/match_as_ref.rs +++ b/clippy_lints/src/matches/match_as_ref.rs @@ -27,10 +27,10 @@ pub(crate) fn check(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>], expr: let input_ty = cx.typeck_results().expr_ty(ex); let cast = if_chain! { - if let ty::Adt(_, substs) = input_ty.kind(); - let input_ty = substs.type_at(0); - if let ty::Adt(_, substs) = output_ty.kind(); - let output_ty = substs.type_at(0); + if let ty::Adt(_, args) = input_ty.kind(); + let input_ty = args.type_at(0); + if let ty::Adt(_, args) = output_ty.kind(); + let output_ty = args.type_at(0); if let ty::Ref(_, output_ty, _) = *output_ty.kind(); if input_ty != output_ty; then { diff --git a/clippy_lints/src/matches/redundant_pattern_match.rs b/clippy_lints/src/matches/redundant_pattern_match.rs index 479cfd83512..039c2134cf8 100644 --- a/clippy_lints/src/matches/redundant_pattern_match.rs +++ b/clippy_lints/src/matches/redundant_pattern_match.rs @@ -12,7 +12,7 @@ use rustc_hir::def::{DefKind, Res}; use rustc_hir::LangItem::{self, OptionNone, OptionSome, PollPending, PollReady, ResultErr, ResultOk}; use rustc_hir::{Arm, Expr, ExprKind, Node, Pat, PatKind, QPath, UnOp}; use rustc_lint::LateContext; -use rustc_middle::ty::{self, subst::GenericArgKind, Ty}; +use rustc_middle::ty::{self, GenericArgKind, Ty}; use rustc_span::{sym, Symbol}; pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { diff --git a/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs b/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs index d06bcdaa27f..4efe93d4b54 100644 --- a/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs +++ b/clippy_lints/src/matches/rest_pat_in_fully_bound_struct.rs @@ -10,7 +10,7 @@ pub(crate) fn check(cx: &LateContext<'_>, pat: &Pat<'_>) { if !pat.span.from_expansion(); if let PatKind::Struct(QPath::Resolved(_, path), fields, true) = pat.kind; if let Some(def_id) = path.res.opt_def_id(); - let ty = cx.tcx.type_of(def_id).subst_identity(); + let ty = cx.tcx.type_of(def_id).instantiate_identity(); if let ty::Adt(def, _) = ty.kind(); if def.is_struct() || def.is_union(); if fields.len() == def.non_enum_variant().fields.len(); diff --git a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs index 37528d9f7f2..02500fac293 100644 --- a/clippy_lints/src/matches/significant_drop_in_scrutinee.rs +++ b/clippy_lints/src/matches/significant_drop_in_scrutinee.rs @@ -6,7 +6,7 @@ use rustc_errors::{Applicability, Diagnostic}; use rustc_hir::intravisit::{walk_expr, Visitor}; use rustc_hir::{Arm, Expr, ExprKind, MatchSource}; use rustc_lint::{LateContext, LintContext}; -use rustc_middle::ty::subst::GenericArgKind; +use rustc_middle::ty::GenericArgKind; use rustc_middle::ty::{Ty, TypeAndMut}; use rustc_span::Span; diff --git a/clippy_lints/src/methods/bytes_count_to_len.rs b/clippy_lints/src/methods/bytes_count_to_len.rs index 46a20ad412b..649fc46e4ad 100644 --- a/clippy_lints/src/methods/bytes_count_to_len.rs +++ b/clippy_lints/src/methods/bytes_count_to_len.rs @@ -17,7 +17,7 @@ pub(super) fn check<'tcx>( if_chain! { if let Some(bytes_id) = cx.typeck_results().type_dependent_def_id(count_recv.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(bytes_id); - if cx.tcx.type_of(impl_id).subst_identity().is_str(); + if cx.tcx.type_of(impl_id).instantiate_identity().is_str(); let ty = cx.typeck_results().expr_ty(bytes_recv).peel_refs(); if ty.is_str() || is_type_lang_item(cx, ty, hir::LangItem::String); then { diff --git a/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs b/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs index 7711aa78b23..fb10f782f7a 100644 --- a/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs +++ b/clippy_lints/src/methods/case_sensitive_file_extension_comparisons.rs @@ -30,7 +30,7 @@ pub(super) fn check<'tcx>( if_chain! { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(method_id); - if cx.tcx.type_of(impl_id).subst_identity().is_str(); + if cx.tcx.type_of(impl_id).instantiate_identity().is_str(); if let ExprKind::Lit(Spanned { node: LitKind::Str(ext_literal, ..), ..}) = arg.kind; if (2..=6).contains(&ext_literal.as_str().len()); let ext_str = ext_literal.as_str(); diff --git a/clippy_lints/src/methods/err_expect.rs b/clippy_lints/src/methods/err_expect.rs index ae03da0d3f9..4ab06bf2ae8 100644 --- a/clippy_lints/src/methods/err_expect.rs +++ b/clippy_lints/src/methods/err_expect.rs @@ -47,7 +47,7 @@ pub(super) fn check( /// Given a `Result<T, E>` type, return its data (`T`). fn get_data_type<'a>(cx: &LateContext<'_>, ty: Ty<'a>) -> Option<Ty<'a>> { match ty.kind() { - ty::Adt(_, substs) if is_type_diagnostic_item(cx, ty, sym::Result) => substs.types().next(), + ty::Adt(_, args) if is_type_diagnostic_item(cx, ty, sym::Result) => args.types().next(), _ => None, } } diff --git a/clippy_lints/src/methods/expect_fun_call.rs b/clippy_lints/src/methods/expect_fun_call.rs index 92d21bb8932..9af11f08c26 100644 --- a/clippy_lints/src/methods/expect_fun_call.rs +++ b/clippy_lints/src/methods/expect_fun_call.rs @@ -70,7 +70,7 @@ pub(super) fn check<'tcx>( if let hir::ExprKind::Path(ref p) = fun.kind { match cx.qpath_res(p, fun.hir_id) { hir::def::Res::Def(hir::def::DefKind::Fn | hir::def::DefKind::AssocFn, def_id) => matches!( - cx.tcx.fn_sig(def_id).subst_identity().output().skip_binder().kind(), + cx.tcx.fn_sig(def_id).instantiate_identity().output().skip_binder().kind(), ty::Ref(re, ..) if re.is_static(), ), _ => false, @@ -84,7 +84,7 @@ pub(super) fn check<'tcx>( .type_dependent_def_id(arg.hir_id) .map_or(false, |method_id| { matches!( - cx.tcx.fn_sig(method_id).subst_identity().output().skip_binder().kind(), + cx.tcx.fn_sig(method_id).instantiate_identity().output().skip_binder().kind(), ty::Ref(re, ..) if re.is_static() ) }) diff --git a/clippy_lints/src/methods/flat_map_option.rs b/clippy_lints/src/methods/flat_map_option.rs index 615bde94133..4737a101345 100644 --- a/clippy_lints/src/methods/flat_map_option.rs +++ b/clippy_lints/src/methods/flat_map_option.rs @@ -15,7 +15,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>, arg } let arg_ty = cx.typeck_results().expr_ty_adjusted(arg); let sig = match arg_ty.kind() { - ty::Closure(_, substs) => substs.as_closure().sig(), + ty::Closure(_, args) => args.as_closure().sig(), _ if arg_ty.is_fn() => arg_ty.fn_sig(cx.tcx), _ => return, }; diff --git a/clippy_lints/src/methods/get_first.rs b/clippy_lints/src/methods/get_first.rs index 945bbf53bcf..ee063adac64 100644 --- a/clippy_lints/src/methods/get_first.rs +++ b/clippy_lints/src/methods/get_first.rs @@ -19,7 +19,7 @@ pub(super) fn check<'tcx>( if_chain! { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(method_id); - if cx.tcx.type_of(impl_id).subst_identity().is_slice(); + if cx.tcx.type_of(impl_id).instantiate_identity().is_slice(); if let Some(_) = is_slice_of_primitives(cx, recv); if let hir::ExprKind::Lit(Spanned { node: LitKind::Int(0, _), .. }) = arg.kind; then { diff --git a/clippy_lints/src/methods/implicit_clone.rs b/clippy_lints/src/methods/implicit_clone.rs index 5a78a416877..043425300d8 100644 --- a/clippy_lints/src/methods/implicit_clone.rs +++ b/clippy_lints/src/methods/implicit_clone.rs @@ -54,7 +54,7 @@ pub fn is_clone_like(cx: &LateContext<'_>, method_name: &str, method_def_id: hir .tcx .impl_of_method(method_def_id) .filter(|&impl_did| { - cx.tcx.type_of(impl_did).subst_identity().is_slice() && cx.tcx.impl_trait_ref(impl_did).is_none() + cx.tcx.type_of(impl_did).instantiate_identity().is_slice() && cx.tcx.impl_trait_ref(impl_did).is_none() }) .is_some(), _ => false, diff --git a/clippy_lints/src/methods/inefficient_to_string.rs b/clippy_lints/src/methods/inefficient_to_string.rs index 424482859ee..37da52dc733 100644 --- a/clippy_lints/src/methods/inefficient_to_string.rs +++ b/clippy_lints/src/methods/inefficient_to_string.rs @@ -23,9 +23,9 @@ pub fn check( if args.is_empty() && method_name == sym::to_string; if let Some(to_string_meth_did) = cx.typeck_results().type_dependent_def_id(expr.hir_id); if match_def_path(cx, to_string_meth_did, &paths::TO_STRING_METHOD); - if let Some(substs) = cx.typeck_results().node_substs_opt(expr.hir_id); + if let Some(args) = cx.typeck_results().node_args_opt(expr.hir_id); let arg_ty = cx.typeck_results().expr_ty_adjusted(receiver); - let self_ty = substs.type_at(0); + let self_ty = args.type_at(0); let (deref_self_ty, deref_count) = walk_ptrs_ty_depth(self_ty); if deref_count >= 1; if specializes_tostring(cx, deref_self_ty); @@ -64,8 +64,8 @@ fn specializes_tostring(cx: &LateContext<'_>, ty: Ty<'_>) -> bool { return true; } - if let ty::Adt(adt, substs) = ty.kind() { - cx.tcx.is_diagnostic_item(sym::Cow, adt.did()) && substs.type_at(1).is_str() + if let ty::Adt(adt, args) = ty.kind() { + cx.tcx.is_diagnostic_item(sym::Cow, adt.did()) && args.type_at(1).is_str() } else { false } diff --git a/clippy_lints/src/methods/manual_ok_or.rs b/clippy_lints/src/methods/manual_ok_or.rs index b9a0ec77996..3031193e531 100644 --- a/clippy_lints/src/methods/manual_ok_or.rs +++ b/clippy_lints/src/methods/manual_ok_or.rs @@ -21,7 +21,7 @@ pub(super) fn check<'tcx>( if_chain! { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(method_id); - if is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).subst_identity(), sym::Option); + if is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::Option); if let ExprKind::Call(err_path, [err_arg]) = or_expr.kind; if is_res_lang_ctor(cx, path_res(cx, err_path), ResultErr); if is_ok_wrapping(cx, map_expr); diff --git a/clippy_lints/src/methods/map_clone.rs b/clippy_lints/src/methods/map_clone.rs index 2b26ef01410..880efe60c1a 100644 --- a/clippy_lints/src/methods/map_clone.rs +++ b/clippy_lints/src/methods/map_clone.rs @@ -19,7 +19,7 @@ pub(super) fn check(cx: &LateContext<'_>, e: &hir::Expr<'_>, recv: &hir::Expr<'_ if_chain! { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(e.hir_id); if cx.tcx.impl_of_method(method_id) - .map_or(false, |id| is_type_diagnostic_item(cx, cx.tcx.type_of(id).subst_identity(), sym::Option)) + .map_or(false, |id| is_type_diagnostic_item(cx, cx.tcx.type_of(id).instantiate_identity(), sym::Option)) || is_diag_trait_item(cx, method_id, sym::Iterator); if let hir::ExprKind::Closure(&hir::Closure{ body, .. }) = arg.kind; then { diff --git a/clippy_lints/src/methods/map_collect_result_unit.rs b/clippy_lints/src/methods/map_collect_result_unit.rs index a0300d27870..042bab805b8 100644 --- a/clippy_lints/src/methods/map_collect_result_unit.rs +++ b/clippy_lints/src/methods/map_collect_result_unit.rs @@ -15,8 +15,8 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, iter: &hir::Expr let collect_ret_ty = cx.typeck_results().expr_ty(expr); if_chain! { if is_type_diagnostic_item(cx, collect_ret_ty, sym::Result); - if let ty::Adt(_, substs) = collect_ret_ty.kind(); - if let Some(result_t) = substs.types().next(); + if let ty::Adt(_, args) = collect_ret_ty.kind(); + if let Some(result_t) = args.types().next(); if result_t.is_unit(); // get parts for snippet then { diff --git a/clippy_lints/src/methods/map_err_ignore.rs b/clippy_lints/src/methods/map_err_ignore.rs index a5beb291f32..fbb83c8ce56 100644 --- a/clippy_lints/src/methods/map_err_ignore.rs +++ b/clippy_lints/src/methods/map_err_ignore.rs @@ -9,7 +9,7 @@ use super::MAP_ERR_IGNORE; pub(super) fn check(cx: &LateContext<'_>, e: &Expr<'_>, arg: &Expr<'_>) { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(e.hir_id) && let Some(impl_id) = cx.tcx.impl_of_method(method_id) - && is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).subst_identity(), sym::Result) + && is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::Result) && let ExprKind::Closure(&Closure { capture_clause: CaptureBy::Ref, body, diff --git a/clippy_lints/src/methods/map_flatten.rs b/clippy_lints/src/methods/map_flatten.rs index 361ffcb5ef3..950902d455b 100644 --- a/clippy_lints/src/methods/map_flatten.rs +++ b/clippy_lints/src/methods/map_flatten.rs @@ -59,7 +59,7 @@ fn is_map_to_option(cx: &LateContext<'_>, map_arg: &Expr<'_>) -> bool { match map_closure_ty.kind() { ty::Closure(_, _) | ty::FnDef(_, _) | ty::FnPtr(_) => { let map_closure_sig = match map_closure_ty.kind() { - ty::Closure(_, substs) => substs.as_closure().sig(), + ty::Closure(_, args) => args.as_closure().sig(), _ => map_closure_ty.fn_sig(cx.tcx), }; let map_closure_return_ty = cx.tcx.erase_late_bound_regions(map_closure_sig.output()); diff --git a/clippy_lints/src/methods/mod.rs b/clippy_lints/src/methods/mod.rs index 24dbe8c1d75..9ab78c6f8e0 100644 --- a/clippy_lints/src/methods/mod.rs +++ b/clippy_lints/src/methods/mod.rs @@ -3508,11 +3508,11 @@ impl<'tcx> LateLintPass<'tcx> for Methods { let name = impl_item.ident.name.as_str(); let parent = cx.tcx.hir().get_parent_item(impl_item.hir_id()).def_id; let item = cx.tcx.hir().expect_item(parent); - let self_ty = cx.tcx.type_of(item.owner_id).subst_identity(); + let self_ty = cx.tcx.type_of(item.owner_id).instantiate_identity(); let implements_trait = matches!(item.kind, hir::ItemKind::Impl(hir::Impl { of_trait: Some(_), .. })); if let hir::ImplItemKind::Fn(ref sig, id) = impl_item.kind { - let method_sig = cx.tcx.fn_sig(impl_item.owner_id).subst_identity(); + let method_sig = cx.tcx.fn_sig(impl_item.owner_id).instantiate_identity(); let method_sig = cx.tcx.erase_late_bound_regions(method_sig); let first_arg_ty_opt = method_sig.inputs().iter().next().copied(); // if this impl block implements a trait, lint in trait definition instead @@ -4113,8 +4113,8 @@ impl SelfKind { } else if ty.is_box() { ty.boxed_ty() == parent_ty } else if is_type_diagnostic_item(cx, ty, sym::Rc) || is_type_diagnostic_item(cx, ty, sym::Arc) { - if let ty::Adt(_, substs) = ty.kind() { - substs.types().next().map_or(false, |t| t == parent_ty) + if let ty::Adt(_, args) = ty.kind() { + args.types().next().map_or(false, |t| t == parent_ty) } else { false } diff --git a/clippy_lints/src/methods/mut_mutex_lock.rs b/clippy_lints/src/methods/mut_mutex_lock.rs index d0aa39d0627..fe024ee8dff 100644 --- a/clippy_lints/src/methods/mut_mutex_lock.rs +++ b/clippy_lints/src/methods/mut_mutex_lock.rs @@ -15,7 +15,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, ex: &'tcx Expr<'tcx>, recv: &' if let ty::Ref(_, _, Mutability::Mut) = cx.typeck_results().expr_ty(recv).kind(); if let Some(method_id) = cx.typeck_results().type_dependent_def_id(ex.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(method_id); - if is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).subst_identity(), sym::Mutex); + if is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::Mutex); then { span_lint_and_sugg( cx, diff --git a/clippy_lints/src/methods/needless_collect.rs b/clippy_lints/src/methods/needless_collect.rs index 8ca7af8107f..f34f1cf2704 100644 --- a/clippy_lints/src/methods/needless_collect.rs +++ b/clippy_lints/src/methods/needless_collect.rs @@ -163,7 +163,7 @@ fn check_collect_into_intoiterator<'tcx>( // that contains `collect_expr` let inputs = cx .tcx - .liberate_late_bound_regions(id, cx.tcx.fn_sig(id).subst_identity()) + .liberate_late_bound_regions(id, cx.tcx.fn_sig(id).instantiate_identity()) .inputs(); // map IntoIterator generic bounds to their signature @@ -201,7 +201,7 @@ fn check_collect_into_intoiterator<'tcx>( /// Checks if the given method call matches the expected signature of `([&[mut]] self) -> bool` fn is_is_empty_sig(cx: &LateContext<'_>, call_id: HirId) -> bool { cx.typeck_results().type_dependent_def_id(call_id).map_or(false, |id| { - let sig = cx.tcx.fn_sig(id).subst_identity().skip_binder(); + let sig = cx.tcx.fn_sig(id).instantiate_identity().skip_binder(); sig.inputs().len() == 1 && sig.output().is_bool() }) } @@ -215,7 +215,7 @@ fn iterates_same_ty<'tcx>(cx: &LateContext<'tcx>, iter_ty: Ty<'tcx>, collect_ty: && let Some(into_iter_item_proj) = make_projection(cx.tcx, into_iter_trait, item, [collect_ty]) && let Ok(into_iter_item_ty) = cx.tcx.try_normalize_erasing_regions( cx.param_env, - Ty::new_projection(cx.tcx,into_iter_item_proj.def_id, into_iter_item_proj.substs) + Ty::new_projection(cx.tcx,into_iter_item_proj.def_id, into_iter_item_proj.args) ) { iter_item_ty == into_iter_item_ty @@ -229,7 +229,7 @@ fn iterates_same_ty<'tcx>(cx: &LateContext<'tcx>, iter_ty: Ty<'tcx>, collect_ty: fn is_contains_sig(cx: &LateContext<'_>, call_id: HirId, iter_expr: &Expr<'_>) -> bool { let typeck = cx.typeck_results(); if let Some(id) = typeck.type_dependent_def_id(call_id) - && let sig = cx.tcx.fn_sig(id).subst_identity() + && let sig = cx.tcx.fn_sig(id).instantiate_identity() && sig.skip_binder().output().is_bool() && let [_, search_ty] = *sig.skip_binder().inputs() && let ty::Ref(_, search_ty, Mutability::Not) = *cx.tcx.erase_late_bound_regions(sig.rebind(search_ty)).kind() @@ -237,11 +237,11 @@ fn is_contains_sig(cx: &LateContext<'_>, call_id: HirId, iter_expr: &Expr<'_>) - && let Some(iter_item) = cx.tcx .associated_items(iter_trait) .find_by_name_and_kind(cx.tcx, Ident::with_dummy_span(Symbol::intern("Item")), AssocKind::Type, iter_trait) - && let substs = cx.tcx.mk_substs(&[GenericArg::from(typeck.expr_ty_adjusted(iter_expr))]) - && let proj_ty = Ty::new_projection(cx.tcx,iter_item.def_id, substs) + && let args = cx.tcx.mk_args(&[GenericArg::from(typeck.expr_ty_adjusted(iter_expr))]) + && let proj_ty = Ty::new_projection(cx.tcx,iter_item.def_id, args) && let Ok(item_ty) = cx.tcx.try_normalize_erasing_regions(cx.param_env, proj_ty) { - item_ty == EarlyBinder::bind(search_ty).subst(cx.tcx, cx.typeck_results().node_substs(call_id)) + item_ty == EarlyBinder::bind(search_ty).instantiate(cx.tcx, cx.typeck_results().node_args(call_id)) } else { false } diff --git a/clippy_lints/src/methods/ok_expect.rs b/clippy_lints/src/methods/ok_expect.rs index 646fc4a7bcf..f2ef42933df 100644 --- a/clippy_lints/src/methods/ok_expect.rs +++ b/clippy_lints/src/methods/ok_expect.rs @@ -33,7 +33,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr /// Given a `Result<T, E>` type, return its error type (`E`). fn get_error_type<'a>(cx: &LateContext<'_>, ty: Ty<'a>) -> Option<Ty<'a>> { match ty.kind() { - ty::Adt(_, substs) if is_type_diagnostic_item(cx, ty, sym::Result) => substs.types().nth(1), + ty::Adt(_, args) if is_type_diagnostic_item(cx, ty, sym::Result) => args.types().nth(1), _ => None, } } diff --git a/clippy_lints/src/methods/open_options.rs b/clippy_lints/src/methods/open_options.rs index bd625a6914c..1c664e76d74 100644 --- a/clippy_lints/src/methods/open_options.rs +++ b/clippy_lints/src/methods/open_options.rs @@ -11,7 +11,7 @@ use super::NONSENSICAL_OPEN_OPTIONS; pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, recv: &'tcx Expr<'_>) { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(e.hir_id) && let Some(impl_id) = cx.tcx.impl_of_method(method_id) - && match_type(cx, cx.tcx.type_of(impl_id).subst_identity(), &paths::OPEN_OPTIONS) + && match_type(cx, cx.tcx.type_of(impl_id).instantiate_identity(), &paths::OPEN_OPTIONS) { let mut options = Vec::new(); get_open_options(cx, recv, &mut options); diff --git a/clippy_lints/src/methods/path_buf_push_overwrite.rs b/clippy_lints/src/methods/path_buf_push_overwrite.rs index 0284d9dea30..1c07d2a3a59 100644 --- a/clippy_lints/src/methods/path_buf_push_overwrite.rs +++ b/clippy_lints/src/methods/path_buf_push_overwrite.rs @@ -14,7 +14,7 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, arg: &'t if_chain! { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(method_id); - if is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).subst_identity(), sym::PathBuf); + if is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::PathBuf); if let ExprKind::Lit(lit) = arg.kind; if let LitKind::Str(ref path_lit, _) = lit.node; if let pushed_path = Path::new(path_lit.as_str()); diff --git a/clippy_lints/src/methods/stable_sort_primitive.rs b/clippy_lints/src/methods/stable_sort_primitive.rs index b5fd0ad8ce5..0f4c97022db 100644 --- a/clippy_lints/src/methods/stable_sort_primitive.rs +++ b/clippy_lints/src/methods/stable_sort_primitive.rs @@ -10,7 +10,7 @@ use super::STABLE_SORT_PRIMITIVE; pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, recv: &'tcx Expr<'_>) { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(e.hir_id) && let Some(impl_id) = cx.tcx.impl_of_method(method_id) - && cx.tcx.type_of(impl_id).subst_identity().is_slice() + && cx.tcx.type_of(impl_id).instantiate_identity().is_slice() && let Some(slice_type) = is_slice_of_primitives(cx, recv) { span_lint_and_then( diff --git a/clippy_lints/src/methods/suspicious_splitn.rs b/clippy_lints/src/methods/suspicious_splitn.rs index 90ca66bd70c..3cb2719e4a0 100644 --- a/clippy_lints/src/methods/suspicious_splitn.rs +++ b/clippy_lints/src/methods/suspicious_splitn.rs @@ -13,7 +13,7 @@ pub(super) fn check(cx: &LateContext<'_>, method_name: &str, expr: &Expr<'_>, se if let Some(call_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(call_id); if cx.tcx.impl_trait_ref(impl_id).is_none(); - let self_ty = cx.tcx.type_of(impl_id).subst_identity(); + let self_ty = cx.tcx.type_of(impl_id).instantiate_identity(); if self_ty.is_slice() || self_ty.is_str(); then { // Ignore empty slice and string literals when used with a literal count. diff --git a/clippy_lints/src/methods/unnecessary_sort_by.rs b/clippy_lints/src/methods/unnecessary_sort_by.rs index 67618f7038a..e62a65a2712 100644 --- a/clippy_lints/src/methods/unnecessary_sort_by.rs +++ b/clippy_lints/src/methods/unnecessary_sort_by.rs @@ -6,7 +6,7 @@ use if_chain::if_chain; use rustc_errors::Applicability; use rustc_hir::{Closure, Expr, ExprKind, Mutability, Param, Pat, PatKind, Path, PathSegment, QPath}; use rustc_lint::LateContext; -use rustc_middle::ty::{self, subst::GenericArgKind}; +use rustc_middle::ty::{self, GenericArgKind}; use rustc_span::sym; use rustc_span::symbol::Ident; use std::iter; @@ -118,7 +118,7 @@ fn detect_lint(cx: &LateContext<'_>, expr: &Expr<'_>, recv: &Expr<'_>, arg: &Exp if_chain! { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(method_id); - if cx.tcx.type_of(impl_id).subst_identity().is_slice(); + if cx.tcx.type_of(impl_id).instantiate_identity().is_slice(); if let ExprKind::Closure(&Closure { body, .. }) = arg.kind; if let closure_body = cx.tcx.hir().body(body); if let &[ diff --git a/clippy_lints/src/methods/unnecessary_to_owned.rs b/clippy_lints/src/methods/unnecessary_to_owned.rs index 6bd5e9e88c8..21e2638e5b9 100644 --- a/clippy_lints/src/methods/unnecessary_to_owned.rs +++ b/clippy_lints/src/methods/unnecessary_to_owned.rs @@ -13,7 +13,7 @@ use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::LateContext; use rustc_middle::mir::Mutability; use rustc_middle::ty::adjustment::{Adjust, Adjustment, OverloadedDeref}; -use rustc_middle::ty::subst::{GenericArg, GenericArgKind, SubstsRef}; +use rustc_middle::ty::{GenericArg, GenericArgKind, GenericArgsRef}; use rustc_middle::ty::{self, ClauseKind, EarlyBinder, ParamTy, ProjectionPredicate, TraitPredicate, Ty}; use rustc_span::{sym, Symbol}; use rustc_trait_selection::traits::{query::evaluate_obligation::InferCtxtExt as _, Obligation, ObligationCause}; @@ -250,8 +250,8 @@ fn check_other_call_arg<'tcx>( ) -> bool { if_chain! { if let Some((maybe_call, maybe_arg)) = skip_addr_of_ancestors(cx, expr); - if let Some((callee_def_id, _, recv, call_args)) = get_callee_substs_and_args(cx, maybe_call); - let fn_sig = cx.tcx.fn_sig(callee_def_id).subst_identity().skip_binder(); + if let Some((callee_def_id, _, recv, call_args)) = get_callee_generic_args_and_args(cx, maybe_call); + let fn_sig = cx.tcx.fn_sig(callee_def_id).instantiate_identity().skip_binder(); if let Some(i) = recv.into_iter().chain(call_args).position(|arg| arg.hir_id == maybe_arg.hir_id); if let Some(input) = fn_sig.inputs().get(i); let (input, n_refs) = peel_mid_ty_refs(*input); @@ -315,26 +315,26 @@ fn skip_addr_of_ancestors<'tcx>( } /// Checks whether an expression is a function or method call and, if so, returns its `DefId`, -/// `Substs`, and arguments. -fn get_callee_substs_and_args<'tcx>( +/// `GenericArgs`, and arguments. +fn get_callee_generic_args_and_args<'tcx>( cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>, -) -> Option<(DefId, SubstsRef<'tcx>, Option<&'tcx Expr<'tcx>>, &'tcx [Expr<'tcx>])> { +) -> Option<(DefId, GenericArgsRef<'tcx>, Option<&'tcx Expr<'tcx>>, &'tcx [Expr<'tcx>])> { if_chain! { if let ExprKind::Call(callee, args) = expr.kind; let callee_ty = cx.typeck_results().expr_ty(callee); if let ty::FnDef(callee_def_id, _) = callee_ty.kind(); then { - let substs = cx.typeck_results().node_substs(callee.hir_id); - return Some((*callee_def_id, substs, None, args)); + let generic_args = cx.typeck_results().node_args(callee.hir_id); + return Some((*callee_def_id, generic_args, None, args)); } } if_chain! { if let ExprKind::MethodCall(_, recv, args, _) = expr.kind; if let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id); then { - let substs = cx.typeck_results().node_substs(expr.hir_id); - return Some((method_def_id, substs, Some(recv), args)); + let generic_args = cx.typeck_results().node_args(expr.hir_id); + return Some((method_def_id, generic_args, Some(recv), args)); } } None @@ -388,17 +388,17 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty< } } Node::Expr(parent_expr) => { - if let Some((callee_def_id, call_substs, recv, call_args)) = get_callee_substs_and_args(cx, parent_expr) + if let Some((callee_def_id, call_generic_args, recv, call_args)) = get_callee_generic_args_and_args(cx, parent_expr) { - // FIXME: the `subst_identity()` below seems incorrect, since we eventually + // FIXME: the `instantiate_identity()` below seems incorrect, since we eventually // call `tcx.try_subst_and_normalize_erasing_regions` further down // (i.e., we are explicitly not in the identity context). - let fn_sig = cx.tcx.fn_sig(callee_def_id).subst_identity().skip_binder(); + let fn_sig = cx.tcx.fn_sig(callee_def_id).instantiate_identity().skip_binder(); if let Some(arg_index) = recv.into_iter().chain(call_args).position(|arg| arg.hir_id == expr.hir_id) && let Some(param_ty) = fn_sig.inputs().get(arg_index) && let ty::Param(ParamTy { index: param_index , ..}) = param_ty.kind() // https://github.com/rust-lang/rust-clippy/issues/9504 and https://github.com/rust-lang/rust-clippy/issues/10021 - && (*param_index as usize) < call_substs.len() + && (*param_index as usize) < call_generic_args.len() { if fn_sig .inputs() @@ -422,8 +422,8 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty< } }); - let new_subst = cx.tcx.mk_substs_from_iter( - call_substs.iter() + let new_subst = cx.tcx.mk_args_from_iter( + call_generic_args.iter() .enumerate() .map(|(i, t)| if i == (*param_index as usize) { @@ -433,7 +433,7 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty< })); if trait_predicates.any(|predicate| { - let predicate = EarlyBinder::bind(predicate).subst(cx.tcx, new_subst); + let predicate = EarlyBinder::bind(predicate).instantiate(cx.tcx, new_subst); let obligation = Obligation::new(cx.tcx, ObligationCause::dummy(), cx.param_env, predicate); !cx.tcx.infer_ctxt().build().predicate_must_hold_modulo_regions(&obligation) }) { @@ -500,8 +500,8 @@ fn is_to_string_on_string_like<'a>( return false; } - if let Some(substs) = cx.typeck_results().node_substs_opt(call_expr.hir_id) - && let [generic_arg] = substs.as_slice() + if let Some(args) = cx.typeck_results().node_args_opt(call_expr.hir_id) + && let [generic_arg] = args.as_slice() && let GenericArgKind::Type(ty) = generic_arg.unpack() && let Some(deref_trait_id) = cx.tcx.get_diagnostic_item(sym::Deref) && let Some(as_ref_trait_id) = cx.tcx.get_diagnostic_item(sym::AsRef) diff --git a/clippy_lints/src/methods/utils.rs b/clippy_lints/src/methods/utils.rs index c96d6922697..9f1f73e6021 100644 --- a/clippy_lints/src/methods/utils.rs +++ b/clippy_lints/src/methods/utils.rs @@ -143,7 +143,7 @@ impl<'cx, 'tcx> Visitor<'tcx> for CloneOrCopyVisitor<'cx, 'tcx> { if_chain! { if args.iter().all(|arg| !self.is_binding(arg)); if let Some(method_def_id) = self.cx.typeck_results().type_dependent_def_id(parent.hir_id); - let method_ty = self.cx.tcx.type_of(method_def_id).subst_identity(); + let method_ty = self.cx.tcx.type_of(method_def_id).instantiate_identity(); let self_ty = method_ty.fn_sig(self.cx.tcx).input(0).skip_binder(); if matches!(self_ty.kind(), ty::Ref(_, _, Mutability::Not)); then { diff --git a/clippy_lints/src/methods/vec_resize_to_zero.rs b/clippy_lints/src/methods/vec_resize_to_zero.rs index b0cfc163fd0..73072718678 100644 --- a/clippy_lints/src/methods/vec_resize_to_zero.rs +++ b/clippy_lints/src/methods/vec_resize_to_zero.rs @@ -20,7 +20,7 @@ pub(super) fn check<'tcx>( if_chain! { if let Some(method_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id); if let Some(impl_id) = cx.tcx.impl_of_method(method_id); - if is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).subst_identity(), sym::Vec); + if is_type_diagnostic_item(cx, cx.tcx.type_of(impl_id).instantiate_identity(), sym::Vec); if let ExprKind::Lit(Spanned { node: LitKind::Int(0, _), .. }) = count_arg.kind; if let ExprKind::Lit(Spanned { node: LitKind::Int(..), .. }) = default_arg.kind; then { diff --git a/clippy_lints/src/mut_key.rs b/clippy_lints/src/mut_key.rs index 309f67521a3..5878f899541 100644 --- a/clippy_lints/src/mut_key.rs +++ b/clippy_lints/src/mut_key.rs @@ -139,7 +139,7 @@ impl MutableKeyType { } fn check_sig(&self, cx: &LateContext<'_>, fn_def_id: LocalDefId, decl: &hir::FnDecl<'_>) { - let fn_sig = cx.tcx.fn_sig(fn_def_id).subst_identity(); + let fn_sig = cx.tcx.fn_sig(fn_def_id).instantiate_identity(); for (hir_ty, ty) in iter::zip(decl.inputs, fn_sig.inputs().skip_binder()) { self.check_ty_(cx, hir_ty.span, *ty); } @@ -150,7 +150,7 @@ impl MutableKeyType { // generics (because the compiler cannot ensure immutability for unknown types). fn check_ty_<'tcx>(&self, cx: &LateContext<'tcx>, span: Span, ty: Ty<'tcx>) { let ty = ty.peel_refs(); - if let Adt(def, substs) = ty.kind() { + if let Adt(def, args) = ty.kind() { let is_keyed_type = [sym::HashMap, sym::BTreeMap, sym::HashSet, sym::BTreeSet] .iter() .any(|diag_item| cx.tcx.is_diagnostic_item(*diag_item, def.did())); @@ -158,7 +158,7 @@ impl MutableKeyType { return; } - let subst_ty = substs.type_at(0); + let subst_ty = args.type_at(0); // Determines if a type contains interior mutability which would affect its implementation of // [`Hash`] or [`Ord`]. if is_interior_mut_ty(cx, subst_ty) diff --git a/clippy_lints/src/mut_reference.rs b/clippy_lints/src/mut_reference.rs index e91aac41bc4..4b20aecad4a 100644 --- a/clippy_lints/src/mut_reference.rs +++ b/clippy_lints/src/mut_reference.rs @@ -51,8 +51,8 @@ impl<'tcx> LateLintPass<'tcx> for UnnecessaryMutPassed { }, ExprKind::MethodCall(path, receiver, arguments, _) => { let def_id = cx.typeck_results().type_dependent_def_id(e.hir_id).unwrap(); - let substs = cx.typeck_results().node_substs(e.hir_id); - let method_type = cx.tcx.type_of(def_id).subst(cx.tcx, substs); + let args = cx.typeck_results().node_args(e.hir_id); + let method_type = cx.tcx.type_of(def_id).instantiate(cx.tcx, args); check_arguments( cx, std::iter::once(receiver).chain(arguments.iter()).collect(), diff --git a/clippy_lints/src/needless_pass_by_value.rs b/clippy_lints/src/needless_pass_by_value.rs index f11d5773d04..55b6e1606ee 100644 --- a/clippy_lints/src/needless_pass_by_value.rs +++ b/clippy_lints/src/needless_pass_by_value.rs @@ -140,7 +140,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { ctx }; - let fn_sig = cx.tcx.fn_sig(fn_def_id).subst_identity(); + let fn_sig = cx.tcx.fn_sig(fn_def_id).instantiate_identity(); let fn_sig = cx.tcx.liberate_late_bound_regions(fn_def_id.to_def_id(), fn_sig); for (idx, ((input, &ty), arg)) in decl.inputs.iter().zip(fn_sig.inputs()).zip(body.params).enumerate() { @@ -170,7 +170,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue { !preds.is_empty() && { let ty_empty_region = Ty::new_imm_ref(cx.tcx,cx.tcx.lifetimes.re_erased, ty); preds.iter().all(|t| { - let ty_params = t.trait_ref.substs.iter().skip(1).collect::<Vec<_>>(); + let ty_params = t.trait_ref.args.iter().skip(1).collect::<Vec<_>>(); implements_trait(cx, ty_empty_region, t.def_id(), &ty_params) }) }, diff --git a/clippy_lints/src/new_without_default.rs b/clippy_lints/src/new_without_default.rs index 653b1a8a05f..cf7cd671dca 100644 --- a/clippy_lints/src/new_without_default.rs +++ b/clippy_lints/src/new_without_default.rs @@ -98,14 +98,14 @@ impl<'tcx> LateLintPass<'tcx> for NewWithoutDefault { if name == sym::new; if cx.effective_visibilities.is_reachable(impl_item.owner_id.def_id); let self_def_id = cx.tcx.hir().get_parent_item(id.into()); - let self_ty = cx.tcx.type_of(self_def_id).subst_identity(); + let self_ty = cx.tcx.type_of(self_def_id).instantiate_identity(); if self_ty == return_ty(cx, id); if let Some(default_trait_id) = cx.tcx.get_diagnostic_item(sym::Default); then { if self.impling_types.is_none() { let mut impls = HirIdSet::default(); cx.tcx.for_each_impl(default_trait_id, |d| { - let ty = cx.tcx.type_of(d).subst_identity(); + let ty = cx.tcx.type_of(d).instantiate_identity(); if let Some(ty_def) = ty.ty_adt_def() { if let Some(local_def_id) = ty_def.did().as_local() { impls.insert(cx.tcx.hir().local_def_id_to_hir_id(local_def_id)); @@ -119,7 +119,7 @@ impl<'tcx> LateLintPass<'tcx> for NewWithoutDefault { // generics if_chain! { if let Some(ref impling_types) = self.impling_types; - let self_def = cx.tcx.type_of(self_def_id).subst_identity(); + let self_def = cx.tcx.type_of(self_def_id).instantiate_identity(); if let Some(self_def) = self_def.ty_adt_def(); if let Some(self_local_did) = self_def.did().as_local(); let self_id = cx.tcx.hir().local_def_id_to_hir_id(self_local_did); diff --git a/clippy_lints/src/non_copy_const.rs b/clippy_lints/src/non_copy_const.rs index 75f1e95276a..12d4f33d428 100644 --- a/clippy_lints/src/non_copy_const.rs +++ b/clippy_lints/src/non_copy_const.rs @@ -158,7 +158,7 @@ fn is_value_unfrozen_raw<'tcx>( val.unwrap_branch().iter().any(|field| inner(cx, *field, ty)) }, ty::Adt(def, _) if def.is_union() => false, - ty::Adt(def, substs) if def.is_enum() => { + ty::Adt(def, args) if def.is_enum() => { let (&variant_index, fields) = val.unwrap_branch().split_first().unwrap(); let variant_index = VariantIdx::from_u32(variant_index.unwrap_leaf().try_to_u32().ok().unwrap()); @@ -166,10 +166,10 @@ fn is_value_unfrozen_raw<'tcx>( def.variants()[variant_index] .fields .iter() - .map(|field| field.ty(cx.tcx, substs))).any(|(field, ty)| inner(cx, field, ty)) + .map(|field| field.ty(cx.tcx, args))).any(|(field, ty)| inner(cx, field, ty)) } - ty::Adt(def, substs) => { - val.unwrap_branch().iter().zip(def.non_enum_variant().fields.iter().map(|field| field.ty(cx.tcx, substs))).any(|(field, ty)| inner(cx, *field, ty)) + ty::Adt(def, args) => { + val.unwrap_branch().iter().zip(def.non_enum_variant().fields.iter().map(|field| field.ty(cx.tcx, args))).any(|(field, ty)| inner(cx, *field, ty)) } ty::Tuple(tys) => val.unwrap_branch().iter().zip(tys).any(|(field, ty)| inner(cx, *field, ty)), _ => false, @@ -206,8 +206,8 @@ fn is_value_unfrozen_raw<'tcx>( fn is_value_unfrozen_poly<'tcx>(cx: &LateContext<'tcx>, body_id: BodyId, ty: Ty<'tcx>) -> bool { let def_id = body_id.hir_id.owner.to_def_id(); - let substs = ty::InternalSubsts::identity_for_item(cx.tcx, def_id); - let instance = ty::Instance::new(def_id, substs); + let args = ty::GenericArgs::identity_for_item(cx.tcx, def_id); + let instance = ty::Instance::new(def_id, args); let cid = rustc_middle::mir::interpret::GlobalId { instance, promoted: None }; let param_env = cx.tcx.param_env(def_id).with_reveal_all_normalized(cx.tcx); let result = cx.tcx.const_eval_global_id_for_typeck(param_env, cid, None); @@ -215,9 +215,9 @@ fn is_value_unfrozen_poly<'tcx>(cx: &LateContext<'tcx>, body_id: BodyId, ty: Ty< } fn is_value_unfrozen_expr<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId, def_id: DefId, ty: Ty<'tcx>) -> bool { - let substs = cx.typeck_results().node_substs(hir_id); + let args = cx.typeck_results().node_args(hir_id); - let result = const_eval_resolve(cx.tcx, cx.param_env, ty::UnevaluatedConst::new(def_id, substs), None); + let result = const_eval_resolve(cx.tcx, cx.param_env, ty::UnevaluatedConst::new(def_id, args), None); is_value_unfrozen_raw(cx, result, ty) } @@ -228,7 +228,7 @@ pub fn const_eval_resolve<'tcx>( ct: ty::UnevaluatedConst<'tcx>, span: Option<Span>, ) -> EvalToValTreeResult<'tcx> { - match ty::Instance::resolve(tcx, param_env, ct.def, ct.substs) { + match ty::Instance::resolve(tcx, param_env, ct.def, ct.args) { Ok(Some(instance)) => { let cid = GlobalId { instance, promoted: None }; tcx.const_eval_global_id_for_typeck(param_env, cid, span) @@ -347,7 +347,7 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst { // and, in that case, the definition is *not* generic. cx.tcx.normalize_erasing_regions( cx.tcx.param_env(of_trait_def_id), - cx.tcx.type_of(of_assoc_item).subst_identity(), + cx.tcx.type_of(of_assoc_item).instantiate_identity(), ), )) .is_err(); diff --git a/clippy_lints/src/non_send_fields_in_send_ty.rs b/clippy_lints/src/non_send_fields_in_send_ty.rs index 7eaa7db78a4..c5e777c2070 100644 --- a/clippy_lints/src/non_send_fields_in_send_ty.rs +++ b/clippy_lints/src/non_send_fields_in_send_ty.rs @@ -7,7 +7,7 @@ use rustc_hir::def_id::DefId; use rustc_hir::{FieldDef, Item, ItemKind, Node}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::lint::in_external_macro; -use rustc_middle::ty::{self, subst::GenericArgKind, Ty}; +use rustc_middle::ty::{self, GenericArgKind, Ty}; use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::sym; @@ -90,8 +90,8 @@ impl<'tcx> LateLintPass<'tcx> for NonSendFieldInSendTy { if send_trait == trait_id; if hir_impl.polarity == ImplPolarity::Positive; if let Some(ty_trait_ref) = cx.tcx.impl_trait_ref(item.owner_id); - if let self_ty = ty_trait_ref.subst_identity().self_ty(); - if let ty::Adt(adt_def, impl_trait_substs) = self_ty.kind(); + if let self_ty = ty_trait_ref.instantiate_identity().self_ty(); + if let ty::Adt(adt_def, impl_trait_args) = self_ty.kind(); then { let mut non_send_fields = Vec::new(); @@ -104,7 +104,7 @@ impl<'tcx> LateLintPass<'tcx> for NonSendFieldInSendTy { .as_local() .map(|local_def_id| hir_map.local_def_id_to_hir_id(local_def_id)); if !is_lint_allowed(cx, NON_SEND_FIELDS_IN_SEND_TY, field_hir_id); - if let field_ty = field.ty(cx.tcx, impl_trait_substs); + if let field_ty = field.ty(cx.tcx, impl_trait_args); if !ty_allowed_in_send(cx, field_ty, send_trait); if let Node::Field(field_def) = hir_map.get(field_hir_id); then { @@ -206,10 +206,10 @@ fn ty_allowed_with_raw_pointer_heuristic<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'t .iter() .all(|ty| ty_allowed_with_raw_pointer_heuristic(cx, ty, send_trait)), ty::Array(ty, _) | ty::Slice(ty) => ty_allowed_with_raw_pointer_heuristic(cx, *ty, send_trait), - ty::Adt(_, substs) => { + ty::Adt(_, args) => { if contains_pointer_like(cx, ty) { // descends only if ADT contains any raw pointers - substs.iter().all(|generic_arg| match generic_arg.unpack() { + args.iter().all(|generic_arg| match generic_arg.unpack() { GenericArgKind::Type(ty) => ty_allowed_with_raw_pointer_heuristic(cx, ty, send_trait), // Lifetimes and const generics are not solid part of ADT and ignored GenericArgKind::Lifetime(_) | GenericArgKind::Const(_) => true, @@ -224,7 +224,7 @@ fn ty_allowed_with_raw_pointer_heuristic<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'t } } -/// Checks if the type contains any pointer-like types in substs (including nested ones) +/// Checks if the type contains any pointer-like types in args (including nested ones) fn contains_pointer_like<'tcx>(cx: &LateContext<'tcx>, target_ty: Ty<'tcx>) -> bool { for ty_node in target_ty.walk() { if let GenericArgKind::Type(inner_ty) = ty_node.unpack() { diff --git a/clippy_lints/src/only_used_in_recursion.rs b/clippy_lints/src/only_used_in_recursion.rs index 8b77a5c99f7..3615c7ec9bf 100644 --- a/clippy_lints/src/only_used_in_recursion.rs +++ b/clippy_lints/src/only_used_in_recursion.rs @@ -7,7 +7,7 @@ use rustc_hir::def_id::DefId; use rustc_hir::hir_id::HirIdMap; use rustc_hir::{Body, Expr, ExprKind, HirId, ImplItem, ImplItemKind, Node, PatKind, TraitItem, TraitItemKind}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::ty::subst::{EarlyBinder, GenericArgKind, SubstsRef}; +use rustc_middle::ty::{EarlyBinder, GenericArgKind, GenericArgsRef}; use rustc_middle::ty::{self, ConstKind}; use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::symbol::{kw, Ident}; @@ -90,7 +90,7 @@ impl_lint_pass!(OnlyUsedInRecursion => [ONLY_USED_IN_RECURSION]); enum FnKind { Fn, TraitFn, - // This is a hack. Ideally we would store a `SubstsRef<'tcx>` type here, but a lint pass must be `'static`. + // This is a hack. Ideally we would store a `GenericArgsRef<'tcx>` type here, but a lint pass must be `'static`. // Substitutions are, however, interned. This allows us to store the pointer as a `usize` when comparing for // equality. ImplTraitFn(usize), @@ -244,12 +244,12 @@ impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion { })) => { #[allow(trivial_casts)] if let Some(Node::Item(item)) = get_parent_node(cx.tcx, owner_id.into()) - && let Some(trait_ref) = cx.tcx.impl_trait_ref(item.owner_id).map(EarlyBinder::subst_identity) + && let Some(trait_ref) = cx.tcx.impl_trait_ref(item.owner_id).map(EarlyBinder::instantiate_identity) && let Some(trait_item_id) = cx.tcx.associated_item(owner_id).trait_item_def_id { ( trait_item_id, - FnKind::ImplTraitFn(cx.tcx.erase_regions(trait_ref.substs) as *const _ as usize), + FnKind::ImplTraitFn(cx.tcx.erase_regions(trait_ref.args) as *const _ as usize), usize::from(sig.decl.implicit_self.has_implicit_self()), ) } else { @@ -289,7 +289,7 @@ impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion { ExprKind::Call(callee, args) if path_def_id(cx, callee).map_or(false, |id| { id == param.fn_id - && has_matching_substs(param.fn_kind, typeck.node_substs(callee.hir_id)) + && has_matching_args(param.fn_kind, typeck.node_args(callee.hir_id)) }) => { if let Some(idx) = args.iter().position(|arg| arg.hir_id == child_id) { @@ -300,7 +300,7 @@ impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion { ExprKind::MethodCall(_, receiver, args, _) if typeck.type_dependent_def_id(parent.hir_id).map_or(false, |id| { id == param.fn_id - && has_matching_substs(param.fn_kind, typeck.node_substs(parent.hir_id)) + && has_matching_args(param.fn_kind, typeck.node_args(parent.hir_id)) }) => { if let Some(idx) = iter::once(receiver).chain(args).position(|arg| arg.hir_id == child_id) { @@ -381,15 +381,15 @@ impl<'tcx> LateLintPass<'tcx> for OnlyUsedInRecursion { } } -fn has_matching_substs(kind: FnKind, substs: SubstsRef<'_>) -> bool { +fn has_matching_args(kind: FnKind, args: GenericArgsRef<'_>) -> bool { match kind { FnKind::Fn => true, - FnKind::TraitFn => substs.iter().enumerate().all(|(idx, subst)| match subst.unpack() { + FnKind::TraitFn => args.iter().enumerate().all(|(idx, subst)| match subst.unpack() { GenericArgKind::Lifetime(_) => true, GenericArgKind::Type(ty) => matches!(*ty.kind(), ty::Param(ty) if ty.index as usize == idx), GenericArgKind::Const(c) => matches!(c.kind(), ConstKind::Param(c) if c.index as usize == idx), }), #[allow(trivial_casts)] - FnKind::ImplTraitFn(expected_substs) => substs as *const _ as usize == expected_substs, + FnKind::ImplTraitFn(expected_args) => args as *const _ as usize == expected_args, } } diff --git a/clippy_lints/src/pass_by_ref_or_value.rs b/clippy_lints/src/pass_by_ref_or_value.rs index eab725de17f..7b4812e98d8 100644 --- a/clippy_lints/src/pass_by_ref_or_value.rs +++ b/clippy_lints/src/pass_by_ref_or_value.rs @@ -143,7 +143,7 @@ impl<'tcx> PassByRefOrValue { return; } - let fn_sig = cx.tcx.fn_sig(def_id).subst_identity(); + let fn_sig = cx.tcx.fn_sig(def_id).instantiate_identity(); let fn_body = cx.enclosing_body.map(|id| cx.tcx.hir().body(id)); // Gather all the lifetimes found in the output type which may affect whether diff --git a/clippy_lints/src/ptr.rs b/clippy_lints/src/ptr.rs index 32213718b27..eb7c008c7a4 100644 --- a/clippy_lints/src/ptr.rs +++ b/clippy_lints/src/ptr.rs @@ -166,7 +166,7 @@ impl<'tcx> LateLintPass<'tcx> for Ptr { check_mut_from_ref(cx, sig, None); for arg in check_fn_args( cx, - cx.tcx.fn_sig(item.owner_id).subst_identity().skip_binder().inputs(), + cx.tcx.fn_sig(item.owner_id).instantiate_identity().skip_binder().inputs(), sig.decl.inputs, &sig.decl.output, &[], @@ -220,7 +220,7 @@ impl<'tcx> LateLintPass<'tcx> for Ptr { check_mut_from_ref(cx, sig, Some(body)); let decl = sig.decl; - let sig = cx.tcx.fn_sig(item_id).subst_identity().skip_binder(); + let sig = cx.tcx.fn_sig(item_id).instantiate_identity().skip_binder(); let lint_args: Vec<_> = check_fn_args(cx, sig.inputs(), decl.inputs, &decl.output, body.params) .filter(|arg| !is_trait_item || arg.mutability() == Mutability::Not) .collect(); @@ -423,7 +423,7 @@ fn check_fn_args<'cx, 'tcx: 'cx>( .enumerate() .filter_map(move |(i, (ty, hir_ty))| { if let ty::Ref(_, ty, mutability) = *ty.kind() - && let ty::Adt(adt, substs) = *ty.kind() + && let ty::Adt(adt, args) = *ty.kind() && let TyKind::Ref(lt, ref ty) = hir_ty.kind && let TyKind::Path(QPath::Resolved(None, path)) = ty.ty.kind // Check that the name as typed matches the actual name of the type. @@ -443,7 +443,7 @@ fn check_fn_args<'cx, 'tcx: 'cx>( } else { None }), - substs.type_at(0), + args.type_at(0), ), ), _ if Some(adt.did()) == cx.tcx.lang_items().string() => ( @@ -496,7 +496,7 @@ fn check_fn_args<'cx, 'tcx: 'cx>( } let ty_name = - snippet_opt(cx, ty.span()).unwrap_or_else(|| substs.type_at(1).to_string()); + snippet_opt(cx, ty.span()).unwrap_or_else(|| args.type_at(1).to_string()); span_lint_hir_and_then( cx, @@ -659,7 +659,7 @@ fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args: return; }; - match *self.cx.tcx.fn_sig(id).subst_identity().skip_binder().inputs()[i] + match *self.cx.tcx.fn_sig(id).instantiate_identity().skip_binder().inputs()[i] .peel_refs() .kind() { @@ -725,7 +725,7 @@ fn matches_preds<'tcx>( let infcx = cx.tcx.infer_ctxt().build(); preds.iter().all(|&p| match cx.tcx.erase_late_bound_regions(p) { ExistentialPredicate::Trait(p) => infcx - .type_implements_trait(p.def_id, [ty.into()].into_iter().chain(p.substs.iter()), cx.param_env) + .type_implements_trait(p.def_id, [ty.into()].into_iter().chain(p.args.iter()), cx.param_env) .must_apply_modulo_regions(), ExistentialPredicate::Projection(p) => infcx.predicate_must_hold_modulo_regions(&Obligation::new( cx.tcx, diff --git a/clippy_lints/src/redundant_slicing.rs b/clippy_lints/src/redundant_slicing.rs index c70ce83a9c4..2b65c08d25d 100644 --- a/clippy_lints/src/redundant_slicing.rs +++ b/clippy_lints/src/redundant_slicing.rs @@ -9,7 +9,7 @@ use rustc_hir::{BorrowKind, Expr, ExprKind, LangItem, Mutability}; use rustc_lint::{LateContext, LateLintPass, Lint}; use rustc_middle::ty::Ty; use rustc_middle::ty::adjustment::{Adjust, AutoBorrow, AutoBorrowMutability}; -use rustc_middle::ty::subst::GenericArg; +use rustc_middle::ty::GenericArg; use rustc_session::{declare_lint_pass, declare_tool_lint}; declare_clippy_lint! { @@ -135,7 +135,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantSlicing { } else if let Some(target_id) = cx.tcx.lang_items().deref_target() { if let Ok(deref_ty) = cx.tcx.try_normalize_erasing_regions( cx.param_env, - Ty::new_projection(cx.tcx,target_id, cx.tcx.mk_substs(&[GenericArg::from(indexed_ty)])), + Ty::new_projection(cx.tcx,target_id, cx.tcx.mk_args(&[GenericArg::from(indexed_ty)])), ) { if deref_ty == expr_ty { let snip = snippet_with_context(cx, indexed.span, ctxt, "..", &mut app).0; diff --git a/clippy_lints/src/returns.rs b/clippy_lints/src/returns.rs index 958351ad81b..4977df6c83f 100644 --- a/clippy_lints/src/returns.rs +++ b/clippy_lints/src/returns.rs @@ -9,7 +9,7 @@ use rustc_hir::intravisit::FnKind; use rustc_hir::{Block, Body, Expr, ExprKind, FnDecl, LangItem, MatchSource, PatKind, QPath, StmtKind}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::lint::in_external_macro; -use rustc_middle::ty::{self, subst::GenericArgKind, Ty}; +use rustc_middle::ty::{self, GenericArgKind, Ty}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::def_id::LocalDefId; use rustc_span::source_map::Span; @@ -333,7 +333,7 @@ fn last_statement_borrows<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) && cx .tcx .fn_sig(def_id) - .subst_identity() + .instantiate_identity() .skip_binder() .output() .walk() diff --git a/clippy_lints/src/self_named_constructors.rs b/clippy_lints/src/self_named_constructors.rs index beca203c868..b92014f68b3 100644 --- a/clippy_lints/src/self_named_constructors.rs +++ b/clippy_lints/src/self_named_constructors.rs @@ -53,7 +53,7 @@ impl<'tcx> LateLintPass<'tcx> for SelfNamedConstructors { let parent = cx.tcx.hir().get_parent_item(impl_item.hir_id()).def_id; let item = cx.tcx.hir().expect_item(parent); - let self_ty = cx.tcx.type_of(item.owner_id).subst_identity(); + let self_ty = cx.tcx.type_of(item.owner_id).instantiate_identity(); let ret_ty = return_ty(cx, impl_item.owner_id); // Do not check trait impls diff --git a/clippy_lints/src/significant_drop_tightening.rs b/clippy_lints/src/significant_drop_tightening.rs index fffa8a380c2..1493ad44ee5 100644 --- a/clippy_lints/src/significant_drop_tightening.rs +++ b/clippy_lints/src/significant_drop_tightening.rs @@ -10,7 +10,7 @@ use rustc_hir::{ intravisit::{walk_expr, Visitor}, }; use rustc_lint::{LateContext, LateLintPass, LintContext}; -use rustc_middle::ty::{subst::GenericArgKind, Ty, TypeAndMut}; +use rustc_middle::ty::{GenericArgKind, Ty, TypeAndMut}; use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::{symbol::Ident, Span, DUMMY_SP}; use std::borrow::Cow; diff --git a/clippy_lints/src/size_of_in_element_count.rs b/clippy_lints/src/size_of_in_element_count.rs index ac4e29e9dfd..80c834066bb 100644 --- a/clippy_lints/src/size_of_in_element_count.rs +++ b/clippy_lints/src/size_of_in_element_count.rs @@ -47,7 +47,7 @@ fn get_size_of_ty<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, inverted: if let Some(def_id) = cx.qpath_res(count_func_qpath, count_func.hir_id).opt_def_id(); if matches!(cx.tcx.get_diagnostic_name(def_id), Some(sym::mem_size_of | sym::mem_size_of_val)); then { - cx.typeck_results().node_substs(count_func.hir_id).types().next() + cx.typeck_results().node_args(count_func.hir_id).types().next() } else { None } @@ -101,7 +101,7 @@ fn get_pointee_ty_and_count_expr<'tcx>( if FUNCTIONS.iter().any(|func_path| match_def_path(cx, def_id, func_path)); // Get the pointee type - if let Some(pointee_ty) = cx.typeck_results().node_substs(func.hir_id).types().next(); + if let Some(pointee_ty) = cx.typeck_results().node_args(func.hir_id).types().next(); then { return Some((pointee_ty, count)); } diff --git a/clippy_lints/src/transmute/transmute_undefined_repr.rs b/clippy_lints/src/transmute/transmute_undefined_repr.rs index 5e24213d07f..9e5d7662426 100644 --- a/clippy_lints/src/transmute/transmute_undefined_repr.rs +++ b/clippy_lints/src/transmute/transmute_undefined_repr.rs @@ -3,7 +3,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::ty::is_c_void; use rustc_hir::Expr; use rustc_lint::LateContext; -use rustc_middle::ty::SubstsRef; +use rustc_middle::ty::GenericArgsRef; use rustc_middle::ty::{self, IntTy, Ty, TypeAndMut, UintTy}; #[expect(clippy::too_many_lines)] @@ -268,12 +268,12 @@ fn reduce_ty<'tcx>(cx: &LateContext<'tcx>, mut ty: Ty<'tcx>) -> ReducedTy<'tcx> } ReducedTy::UnorderedFields(ty) }, - ty::Adt(def, substs) if def.is_struct() => { + ty::Adt(def, args) if def.is_struct() => { let mut iter = def .non_enum_variant() .fields .iter() - .map(|f| cx.tcx.type_of(f.did).subst(cx.tcx, substs)); + .map(|f| cx.tcx.type_of(f.did).instantiate(cx.tcx, args)); let Some(sized_ty) = iter.find(|&ty| !is_zero_sized_ty(cx, ty)) else { return ReducedTy::TypeErasure { raw_ptr_only: false }; }; @@ -322,7 +322,7 @@ fn is_size_pair(ty: Ty<'_>) -> bool { } } -fn same_except_params<'tcx>(subs1: SubstsRef<'tcx>, subs2: SubstsRef<'tcx>) -> bool { +fn same_except_params<'tcx>(subs1: GenericArgsRef<'tcx>, subs2: GenericArgsRef<'tcx>) -> bool { // TODO: check const parameters as well. Currently this will consider `Array<5>` the same as // `Array<6>` for (ty1, ty2) in subs1.types().zip(subs2.types()).filter(|(ty1, ty2)| ty1 != ty2) { diff --git a/clippy_lints/src/transmute/unsound_collection_transmute.rs b/clippy_lints/src/transmute/unsound_collection_transmute.rs index b1445311b71..891fefc17a6 100644 --- a/clippy_lints/src/transmute/unsound_collection_transmute.rs +++ b/clippy_lints/src/transmute/unsound_collection_transmute.rs @@ -10,7 +10,7 @@ use rustc_span::symbol::sym; /// Returns `true` if it's triggered, otherwise returns `false`. pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, from_ty: Ty<'tcx>, to_ty: Ty<'tcx>) -> bool { match (&from_ty.kind(), &to_ty.kind()) { - (ty::Adt(from_adt, from_substs), ty::Adt(to_adt, to_substs)) => { + (ty::Adt(from_adt, from_args), ty::Adt(to_adt, to_args)) => { if from_adt.did() != to_adt.did() { return false; } @@ -28,9 +28,9 @@ pub(super) fn check<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, from_ty: Ty ) { return false; } - if from_substs + if from_args .types() - .zip(to_substs.types()) + .zip(to_args.types()) .any(|(from_ty, to_ty)| is_layout_incompatible(cx, from_ty, to_ty)) { span_lint( diff --git a/clippy_lints/src/uninit_vec.rs b/clippy_lints/src/uninit_vec.rs index 1ab0162a881..6756df8e716 100644 --- a/clippy_lints/src/uninit_vec.rs +++ b/clippy_lints/src/uninit_vec.rs @@ -88,7 +88,7 @@ fn handle_uninit_vec_pair<'tcx>( if let Some((set_len_self, call_span)) = extract_set_len_self(cx, maybe_set_len); if vec.location.eq_expr(cx, set_len_self); if let ty::Ref(_, vec_ty, _) = cx.typeck_results().expr_ty_adjusted(set_len_self).kind(); - if let ty::Adt(_, substs) = vec_ty.kind(); + if let ty::Adt(_, args) = vec_ty.kind(); // `#[allow(...)]` attribute can be set on enclosing unsafe block of `set_len()` if !is_lint_allowed(cx, UNINIT_VEC, maybe_set_len.hir_id); then { @@ -96,7 +96,7 @@ fn handle_uninit_vec_pair<'tcx>( // with_capacity / reserve -> set_len // Check T of Vec<T> - if !is_uninit_value_valid_for_ty(cx, substs.type_at(0)) { + if !is_uninit_value_valid_for_ty(cx, args.type_at(0)) { // FIXME: #7698, false positive of the internal lints #[expect(clippy::collapsible_span_lint_calls)] span_lint_and_then( diff --git a/clippy_lints/src/unit_return_expecting_ord.rs b/clippy_lints/src/unit_return_expecting_ord.rs index 99a1d197678..dd829ded0d0 100644 --- a/clippy_lints/src/unit_return_expecting_ord.rs +++ b/clippy_lints/src/unit_return_expecting_ord.rs @@ -65,7 +65,7 @@ fn get_projection_pred<'tcx>( generics.predicates.iter().find_map(|(proj_pred, _)| { if let ClauseKind::Projection(pred) = proj_pred.kind().skip_binder() { let projection_pred = cx.tcx.erase_late_bound_regions(proj_pred.kind().rebind(pred)); - if projection_pred.projection_ty.substs == trait_pred.trait_ref.substs { + if projection_pred.projection_ty.args == trait_pred.trait_ref.args { return Some(projection_pred); } } @@ -76,7 +76,7 @@ fn get_projection_pred<'tcx>( fn get_args_to_check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Vec<(usize, String)> { let mut args_to_check = Vec::new(); if let Some(def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id) { - let fn_sig = cx.tcx.fn_sig(def_id).subst_identity(); + let fn_sig = cx.tcx.fn_sig(def_id).instantiate_identity(); let generics = cx.tcx.predicates_of(def_id); let fn_mut_preds = get_trait_predicates_for_trait_id(cx, generics, cx.tcx.lang_items().fn_mut_trait()); let ord_preds = get_trait_predicates_for_trait_id(cx, generics, cx.tcx.get_diagnostic_item(sym::Ord)); @@ -120,8 +120,8 @@ fn get_args_to_check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Ve fn check_arg<'tcx>(cx: &LateContext<'tcx>, arg: &'tcx Expr<'tcx>) -> Option<(Span, Option<Span>)> { if_chain! { if let ExprKind::Closure(&Closure { body, fn_decl_span, .. }) = arg.kind; - if let ty::Closure(_def_id, substs) = &cx.typeck_results().node_type(arg.hir_id).kind(); - let ret_ty = substs.as_closure().sig().output(); + if let ty::Closure(_def_id, args) = &cx.typeck_results().node_type(arg.hir_id).kind(); + let ret_ty = args.as_closure().sig().output(); let ty = cx.tcx.erase_late_bound_regions(ret_ty); if ty.is_unit(); then { diff --git a/clippy_lints/src/unit_types/let_unit_value.rs b/clippy_lints/src/unit_types/let_unit_value.rs index cc7c2b039f2..704d7abd7e5 100644 --- a/clippy_lints/src/unit_types/let_unit_value.rs +++ b/clippy_lints/src/unit_types/let_unit_value.rs @@ -161,7 +161,7 @@ fn needs_inferred_result_ty( }, _ => return false, }; - let sig = cx.tcx.fn_sig(id).subst_identity().skip_binder(); + let sig = cx.tcx.fn_sig(id).instantiate_identity().skip_binder(); if let ty::Param(output_ty) = *sig.output().kind() { let args: Vec<&Expr<'_>> = if let Some(receiver) = receiver { std::iter::once(receiver).chain(args.iter()).collect() diff --git a/clippy_lints/src/unnamed_address.rs b/clippy_lints/src/unnamed_address.rs index 0f5cdb6aaea..dea8a1e35bb 100644 --- a/clippy_lints/src/unnamed_address.rs +++ b/clippy_lints/src/unnamed_address.rs @@ -97,7 +97,7 @@ impl LateLintPass<'_> for UnnamedAddress { if let ExprKind::Path(ref func_qpath) = func.kind; if let Some(def_id) = cx.qpath_res(func_qpath, func.hir_id).opt_def_id(); if match_def_path(cx, def_id, &paths::PTR_EQ); - let ty_param = cx.typeck_results().node_substs(func.hir_id).type_at(0); + let ty_param = cx.typeck_results().node_args(func.hir_id).type_at(0); if ty_param.is_trait(); then { span_lint_and_help( diff --git a/clippy_lints/src/use_self.rs b/clippy_lints/src/use_self.rs index 5a02987453c..81dc426b389 100644 --- a/clippy_lints/src/use_self.rs +++ b/clippy_lints/src/use_self.rs @@ -145,7 +145,7 @@ impl<'tcx> LateLintPass<'tcx> for UseSelf { then { // `self_ty` is the semantic self type of `impl <trait> for <type>`. This cannot be // `Self`. - let self_ty = impl_trait_ref.subst_identity().self_ty(); + let self_ty = impl_trait_ref.instantiate_identity().self_ty(); // `trait_method_sig` is the signature of the function, how it is declared in the // trait, not in the impl of the trait. @@ -154,7 +154,7 @@ impl<'tcx> LateLintPass<'tcx> for UseSelf { .associated_item(impl_item.owner_id) .trait_item_def_id .expect("impl method matches a trait method"); - let trait_method_sig = cx.tcx.fn_sig(trait_method).subst_identity(); + let trait_method_sig = cx.tcx.fn_sig(trait_method).instantiate_identity(); let trait_method_sig = cx.tcx.erase_late_bound_regions(trait_method_sig); // `impl_inputs_outputs` is an iterator over the types (`hir::Ty`) declared in the @@ -226,7 +226,7 @@ impl<'tcx> LateLintPass<'tcx> for UseSelf { } else { hir_ty_to_ty(cx.tcx, hir_ty) }; - if same_type_and_consts(ty, cx.tcx.type_of(impl_id).subst_identity()); + if same_type_and_consts(ty, cx.tcx.type_of(impl_id).instantiate_identity()); then { span_lint(cx, hir_ty.span); } @@ -238,7 +238,7 @@ impl<'tcx> LateLintPass<'tcx> for UseSelf { if !expr.span.from_expansion(); if self.msrv.meets(msrvs::TYPE_ALIAS_ENUM_VARIANTS); if let Some(&StackItem::Check { impl_id, .. }) = self.stack.last(); - if cx.typeck_results().expr_ty(expr) == cx.tcx.type_of(impl_id).subst_identity(); + if cx.typeck_results().expr_ty(expr) == cx.tcx.type_of(impl_id).instantiate_identity(); then {} else { return; } } match expr.kind { @@ -262,7 +262,7 @@ impl<'tcx> LateLintPass<'tcx> for UseSelf { if let PatKind::Path(QPath::Resolved(_, path)) | PatKind::TupleStruct(QPath::Resolved(_, path), _, _) | PatKind::Struct(QPath::Resolved(_, path), _, _) = pat.kind; - if cx.typeck_results().pat_ty(pat) == cx.tcx.type_of(impl_id).subst_identity(); + if cx.typeck_results().pat_ty(pat) == cx.tcx.type_of(impl_id).instantiate_identity(); then { check_path(cx, path); } diff --git a/clippy_lints/src/useless_conversion.rs b/clippy_lints/src/useless_conversion.rs index b6c11cfb355..98f7bfb4ba1 100644 --- a/clippy_lints/src/useless_conversion.rs +++ b/clippy_lints/src/useless_conversion.rs @@ -227,8 +227,8 @@ impl<'tcx> LateLintPass<'tcx> for UselessConversion { let a = cx.typeck_results().expr_ty(e); let b = cx.typeck_results().expr_ty(recv); if is_type_diagnostic_item(cx, a, sym::Result); - if let ty::Adt(_, substs) = a.kind(); - if let Some(a_type) = substs.types().next(); + if let ty::Adt(_, args) = a.kind(); + if let Some(a_type) = args.types().next(); if same_type_and_consts(a_type, b); then { @@ -255,8 +255,8 @@ impl<'tcx> LateLintPass<'tcx> for UselessConversion { if_chain! { if match_def_path(cx, def_id, &paths::TRY_FROM); if is_type_diagnostic_item(cx, a, sym::Result); - if let ty::Adt(_, substs) = a.kind(); - if let Some(a_type) = substs.types().next(); + if let ty::Adt(_, args) = a.kind(); + if let Some(a_type) = args.types().next(); if same_type_and_consts(a_type, b); then { diff --git a/clippy_lints/src/utils/internal_lints/interning_defined_symbol.rs b/clippy_lints/src/utils/internal_lints/interning_defined_symbol.rs index dced9fcf9ab..da8654d9388 100644 --- a/clippy_lints/src/utils/internal_lints/interning_defined_symbol.rs +++ b/clippy_lints/src/utils/internal_lints/interning_defined_symbol.rs @@ -78,7 +78,7 @@ impl<'tcx> LateLintPass<'tcx> for InterningDefinedSymbol { for item in cx.tcx.module_children(def_id) { if_chain! { if let Res::Def(DefKind::Const, item_def_id) = item.res; - let ty = cx.tcx.type_of(item_def_id).subst_identity(); + let ty = cx.tcx.type_of(item_def_id).instantiate_identity(); if match_type(cx, ty, &paths::SYMBOL); if let Ok(ConstValue::Scalar(value)) = cx.tcx.const_eval_poly(item_def_id); if let Ok(value) = value.to_u32(); diff --git a/clippy_lints/src/utils/internal_lints/msrv_attr_impl.rs b/clippy_lints/src/utils/internal_lints/msrv_attr_impl.rs index 09f0f0d0adb..bf835f89cfc 100644 --- a/clippy_lints/src/utils/internal_lints/msrv_attr_impl.rs +++ b/clippy_lints/src/utils/internal_lints/msrv_attr_impl.rs @@ -7,7 +7,7 @@ use rustc_errors::Applicability; use rustc_hir as hir; use rustc_hir_analysis::hir_ty_to_ty; use rustc_lint::{LateContext, LateLintPass, LintContext}; -use rustc_middle::ty::{self, subst::GenericArgKind}; +use rustc_middle::ty::{self, GenericArgKind}; use rustc_session::{declare_lint_pass, declare_tool_lint}; declare_clippy_lint! { @@ -39,7 +39,7 @@ impl LateLintPass<'_> for MsrvAttrImpl { if self_ty_def.all_fields().any(|f| { cx.tcx .type_of(f.did) - .subst_identity() + .instantiate_identity() .walk() .filter(|t| matches!(t.unpack(), GenericArgKind::Type(_))) .any(|t| match_type(cx, t.expect_ty(), &paths::MSRV)) diff --git a/clippy_lints/src/utils/internal_lints/unnecessary_def_path.rs b/clippy_lints/src/utils/internal_lints/unnecessary_def_path.rs index 00842376628..f66f33fee16 100644 --- a/clippy_lints/src/utils/internal_lints/unnecessary_def_path.rs +++ b/clippy_lints/src/utils/internal_lints/unnecessary_def_path.rs @@ -229,11 +229,11 @@ fn path_to_matched_type(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> Option<Ve Res::Def(DefKind::Static(_), def_id) => read_mir_alloc_def_path( cx, cx.tcx.eval_static_initializer(def_id).ok()?.inner(), - cx.tcx.type_of(def_id).subst_identity(), + cx.tcx.type_of(def_id).instantiate_identity(), ), Res::Def(DefKind::Const, def_id) => match cx.tcx.const_eval_poly(def_id).ok()? { ConstValue::ByRef { alloc, offset } if offset.bytes() == 0 => { - read_mir_alloc_def_path(cx, alloc.inner(), cx.tcx.type_of(def_id).subst_identity()) + read_mir_alloc_def_path(cx, alloc.inner(), cx.tcx.type_of(def_id).instantiate_identity()) }, _ => None, }, diff --git a/clippy_lints/src/vec.rs b/clippy_lints/src/vec.rs index 2a594e750b9..d1bf292d711 100644 --- a/clippy_lints/src/vec.rs +++ b/clippy_lints/src/vec.rs @@ -230,8 +230,8 @@ fn size_of(cx: &LateContext<'_>, expr: &Expr<'_>) -> u64 { /// Returns the item type of the vector (i.e., the `T` in `Vec<T>`). fn vec_type(ty: Ty<'_>) -> Ty<'_> { - if let ty::Adt(_, substs) = ty.kind() { - substs.type_at(0) + if let ty::Adt(_, args) = ty.kind() { + args.type_at(0) } else { panic!("The type of `vec!` is a not a struct?"); } diff --git a/clippy_lints/src/zero_sized_map_values.rs b/clippy_lints/src/zero_sized_map_values.rs index 93e4b023c5c..002304f8840 100644 --- a/clippy_lints/src/zero_sized_map_values.rs +++ b/clippy_lints/src/zero_sized_map_values.rs @@ -51,8 +51,8 @@ impl LateLintPass<'_> for ZeroSizedMapValues { if !in_trait_impl(cx, hir_ty.hir_id); let ty = ty_from_hir_ty(cx, hir_ty); if is_type_diagnostic_item(cx, ty, sym::HashMap) || is_type_diagnostic_item(cx, ty, sym::BTreeMap); - if let Adt(_, substs) = ty.kind(); - let ty = substs.type_at(1); + if let Adt(_, args) = ty.kind(); + let ty = args.type_at(1); // Fixes https://github.com/rust-lang/rust-clippy/issues/7447 because of // https://github.com/rust-lang/rust/blob/master/compiler/rustc_middle/src/ty/sty.rs#L968 if !ty.has_escaping_bound_vars(); |