diff options
Diffstat (limited to 'compiler')
8 files changed, 108 insertions, 111 deletions
diff --git a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs index 049c3aab979..e6c057cc8ee 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs @@ -763,7 +763,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { HirId, ImplItem, ImplItemKind, Item, ItemKind, }; - fn maybe_body_id_of_fn(hir_map: &Map<'_>, id: HirId) -> Option<BodyId> { + fn maybe_body_id_of_fn(hir_map: Map<'_>, id: HirId) -> Option<BodyId> { match hir_map.find(id) { Some(Node::Item(Item { kind: ItemKind::Fn(_, _, body_id), .. })) | Some(Node::ImplItem(ImplItem { kind: ImplItemKind::Fn(_, body_id), .. })) => { @@ -774,7 +774,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { } let hir_map = self.infcx.tcx.hir(); let mir_body_hir_id = self.mir_hir_id(); - if let Some(fn_body_id) = maybe_body_id_of_fn(&hir_map, mir_body_hir_id) { + if let Some(fn_body_id) = maybe_body_id_of_fn(hir_map, mir_body_hir_id) { if let Block( hir::Block { expr: diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index 9811b0cd891..c55f2a7b039 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -141,22 +141,22 @@ pub trait Map<'hir> { // Used when no map is actually available, forcing manual implementation of nested visitors. impl<'hir> Map<'hir> for ! { fn find(&self, _: HirId) -> Option<Node<'hir>> { - unreachable!() + *self; } fn body(&self, _: BodyId) -> &'hir Body<'hir> { - unreachable!() + *self; } fn item(&self, _: ItemId) -> &'hir Item<'hir> { - unreachable!() + *self; } fn trait_item(&self, _: TraitItemId) -> &'hir TraitItem<'hir> { - unreachable!() + *self; } fn impl_item(&self, _: ImplItemId) -> &'hir ImplItem<'hir> { - unreachable!() + *self; } fn foreign_item(&self, _: ForeignItemId) -> &'hir ForeignItem<'hir> { - unreachable!() + *self; } } diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index 8d41497541a..b2de440084c 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -2226,7 +2226,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> { bound_kind: GenericKind<'tcx>, sub: Region<'tcx>, ) -> DiagnosticBuilder<'a> { - let hir = &self.tcx.hir(); + let hir = self.tcx.hir(); // Attempt to obtain the span of the parameter so we can // suggest adding an explicit lifetime bound to it. let generics = self diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 649cb34bd5f..f36847c7781 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -149,18 +149,18 @@ impl<'hir> Iterator for ParentOwnerIterator<'hir> { } impl<'hir> Map<'hir> { - pub fn krate(&self) -> &'hir Crate<'hir> { + pub fn krate(self) -> &'hir Crate<'hir> { self.tcx.hir_crate(()) } - pub fn root_module(&self) -> &'hir Mod<'hir> { + pub fn root_module(self) -> &'hir Mod<'hir> { match self.tcx.hir_owner(CRATE_DEF_ID).map(|o| o.node) { Some(OwnerNode::Crate(item)) => item, _ => bug!(), } } - pub fn items(&self) -> impl Iterator<Item = &'hir Item<'hir>> + 'hir { + pub fn items(self) -> impl Iterator<Item = &'hir Item<'hir>> + 'hir { let krate = self.krate(); krate.owners.iter().filter_map(|owner| match owner.as_owner()?.node() { OwnerNode::Item(item) => Some(item), @@ -168,16 +168,16 @@ impl<'hir> Map<'hir> { }) } - pub fn def_key(&self, def_id: LocalDefId) -> DefKey { + pub fn def_key(self, def_id: LocalDefId) -> DefKey { // Accessing the DefKey is ok, since it is part of DefPathHash. self.tcx.untracked_resolutions.definitions.def_key(def_id) } - pub fn def_path_from_hir_id(&self, id: HirId) -> Option<DefPath> { + pub fn def_path_from_hir_id(self, id: HirId) -> Option<DefPath> { self.opt_local_def_id(id).map(|def_id| self.def_path(def_id)) } - pub fn def_path(&self, def_id: LocalDefId) -> DefPath { + pub fn def_path(self, def_id: LocalDefId) -> DefPath { // Accessing the DefPath is ok, since it is part of DefPathHash. self.tcx.untracked_resolutions.definitions.def_path(def_id) } @@ -189,7 +189,7 @@ impl<'hir> Map<'hir> { } #[inline] - pub fn local_def_id(&self, hir_id: HirId) -> LocalDefId { + pub fn local_def_id(self, hir_id: HirId) -> LocalDefId { self.opt_local_def_id(hir_id).unwrap_or_else(|| { bug!( "local_def_id: no entry for `{:?}`, which has a map of `{:?}`", @@ -200,7 +200,7 @@ impl<'hir> Map<'hir> { } #[inline] - pub fn opt_local_def_id(&self, hir_id: HirId) -> Option<LocalDefId> { + pub fn opt_local_def_id(self, hir_id: HirId) -> Option<LocalDefId> { if hir_id.local_id == ItemLocalId::new(0) { Some(hir_id.owner) } else { @@ -214,18 +214,18 @@ impl<'hir> Map<'hir> { } #[inline] - pub fn local_def_id_to_hir_id(&self, def_id: LocalDefId) -> HirId { + pub fn local_def_id_to_hir_id(self, def_id: LocalDefId) -> HirId { self.tcx.local_def_id_to_hir_id(def_id) } - pub fn iter_local_def_id(&self) -> impl Iterator<Item = LocalDefId> + '_ { + pub fn iter_local_def_id(self) -> impl Iterator<Item = LocalDefId> + 'hir { // Create a dependency to the crate to be sure we reexcute this when the amount of // definitions change. self.tcx.ensure().hir_crate(()); self.tcx.untracked_resolutions.definitions.iter_local_def_id() } - pub fn opt_def_kind(&self, local_def_id: LocalDefId) -> Option<DefKind> { + pub fn opt_def_kind(self, local_def_id: LocalDefId) -> Option<DefKind> { let hir_id = self.local_def_id_to_hir_id(local_def_id); let def_kind = match self.find(hir_id)? { Node::Item(item) => match item.kind { @@ -312,12 +312,12 @@ impl<'hir> Map<'hir> { Some(def_kind) } - pub fn def_kind(&self, local_def_id: LocalDefId) -> DefKind { + pub fn def_kind(self, local_def_id: LocalDefId) -> DefKind { self.opt_def_kind(local_def_id) .unwrap_or_else(|| bug!("def_kind: unsupported node: {:?}", local_def_id)) } - pub fn find_parent_node(&self, id: HirId) -> Option<HirId> { + pub fn find_parent_node(self, id: HirId) -> Option<HirId> { if id.local_id == ItemLocalId::from_u32(0) { Some(self.tcx.hir_owner_parent(id.owner)) } else { @@ -328,12 +328,12 @@ impl<'hir> Map<'hir> { } } - pub fn get_parent_node(&self, hir_id: HirId) -> HirId { + pub fn get_parent_node(self, hir_id: HirId) -> HirId { self.find_parent_node(hir_id).unwrap() } /// Retrieves the `Node` corresponding to `id`, returning `None` if cannot be found. - pub fn find(&self, id: HirId) -> Option<Node<'hir>> { + pub fn find(self, id: HirId) -> Option<Node<'hir>> { if id.local_id == ItemLocalId::from_u32(0) { let owner = self.tcx.hir_owner(id.owner)?; Some(owner.node.into()) @@ -346,26 +346,26 @@ impl<'hir> Map<'hir> { /// Retrieves the `Node` corresponding to `id`, returning `None` if cannot be found. #[inline] - pub fn find_by_def_id(&self, id: LocalDefId) -> Option<Node<'hir>> { + pub fn find_by_def_id(self, id: LocalDefId) -> Option<Node<'hir>> { self.find(self.local_def_id_to_hir_id(id)) } /// Retrieves the `Node` corresponding to `id`, panicking if it cannot be found. - pub fn get(&self, id: HirId) -> Node<'hir> { + pub fn get(self, id: HirId) -> Node<'hir> { self.find(id).unwrap_or_else(|| bug!("couldn't find hir id {} in the HIR map", id)) } /// Retrieves the `Node` corresponding to `id`, panicking if it cannot be found. #[inline] - pub fn get_by_def_id(&self, id: LocalDefId) -> Node<'hir> { + pub fn get_by_def_id(self, id: LocalDefId) -> Node<'hir> { self.find_by_def_id(id).unwrap_or_else(|| bug!("couldn't find {:?} in the HIR map", id)) } - pub fn get_if_local(&self, id: DefId) -> Option<Node<'hir>> { + pub fn get_if_local(self, id: DefId) -> Option<Node<'hir>> { id.as_local().and_then(|id| self.find(self.local_def_id_to_hir_id(id))) } - pub fn get_generics(&self, id: LocalDefId) -> Option<&'hir Generics<'hir>> { + pub fn get_generics(self, id: LocalDefId) -> Option<&'hir Generics<'hir>> { let node = self.tcx.hir_owner(id)?; match node.node { OwnerNode::ImplItem(impl_item) => Some(&impl_item.generics), @@ -386,27 +386,27 @@ impl<'hir> Map<'hir> { } } - pub fn item(&self, id: ItemId) -> &'hir Item<'hir> { + pub fn item(self, id: ItemId) -> &'hir Item<'hir> { self.tcx.hir_owner(id.def_id).unwrap().node.expect_item() } - pub fn trait_item(&self, id: TraitItemId) -> &'hir TraitItem<'hir> { + pub fn trait_item(self, id: TraitItemId) -> &'hir TraitItem<'hir> { self.tcx.hir_owner(id.def_id).unwrap().node.expect_trait_item() } - pub fn impl_item(&self, id: ImplItemId) -> &'hir ImplItem<'hir> { + pub fn impl_item(self, id: ImplItemId) -> &'hir ImplItem<'hir> { self.tcx.hir_owner(id.def_id).unwrap().node.expect_impl_item() } - pub fn foreign_item(&self, id: ForeignItemId) -> &'hir ForeignItem<'hir> { + pub fn foreign_item(self, id: ForeignItemId) -> &'hir ForeignItem<'hir> { self.tcx.hir_owner(id.def_id).unwrap().node.expect_foreign_item() } - pub fn body(&self, id: BodyId) -> &'hir Body<'hir> { + pub fn body(self, id: BodyId) -> &'hir Body<'hir> { self.tcx.hir_owner_nodes(id.hir_id.owner).unwrap().bodies[&id.hir_id.local_id] } - pub fn fn_decl_by_hir_id(&self, hir_id: HirId) -> Option<&'hir FnDecl<'hir>> { + pub fn fn_decl_by_hir_id(self, hir_id: HirId) -> Option<&'hir FnDecl<'hir>> { if let Some(node) = self.find(hir_id) { fn_decl(node) } else { @@ -414,7 +414,7 @@ impl<'hir> Map<'hir> { } } - pub fn fn_sig_by_hir_id(&self, hir_id: HirId) -> Option<&'hir FnSig<'hir>> { + pub fn fn_sig_by_hir_id(self, hir_id: HirId) -> Option<&'hir FnSig<'hir>> { if let Some(node) = self.find(hir_id) { fn_sig(node) } else { @@ -422,7 +422,7 @@ impl<'hir> Map<'hir> { } } - pub fn enclosing_body_owner(&self, hir_id: HirId) -> HirId { + pub fn enclosing_body_owner(self, hir_id: HirId) -> HirId { for (parent, _) in self.parent_iter(hir_id) { if let Some(body) = self.maybe_body_owned_by(parent) { return self.body_owner(body); @@ -435,24 +435,24 @@ impl<'hir> Map<'hir> { /// Returns the `HirId` that corresponds to the definition of /// which this is the body of, i.e., a `fn`, `const` or `static` /// item (possibly associated), a closure, or a `hir::AnonConst`. - pub fn body_owner(&self, BodyId { hir_id }: BodyId) -> HirId { + pub fn body_owner(self, BodyId { hir_id }: BodyId) -> HirId { let parent = self.get_parent_node(hir_id); assert!(self.find(parent).map_or(false, |n| is_body_owner(n, hir_id))); parent } - pub fn body_owner_def_id(&self, id: BodyId) -> LocalDefId { + pub fn body_owner_def_id(self, id: BodyId) -> LocalDefId { self.local_def_id(self.body_owner(id)) } /// Given a `HirId`, returns the `BodyId` associated with it, /// if the node is a body owner, otherwise returns `None`. - pub fn maybe_body_owned_by(&self, hir_id: HirId) -> Option<BodyId> { + pub fn maybe_body_owned_by(self, hir_id: HirId) -> Option<BodyId> { self.find(hir_id).map(associated_body).flatten() } /// Given a body owner's id, returns the `BodyId` associated with it. - pub fn body_owned_by(&self, id: HirId) -> BodyId { + pub fn body_owned_by(self, id: HirId) -> BodyId { self.maybe_body_owned_by(id).unwrap_or_else(|| { span_bug!( self.span(id), @@ -462,7 +462,7 @@ impl<'hir> Map<'hir> { }) } - pub fn body_param_names(&self, id: BodyId) -> impl Iterator<Item = Ident> + 'hir { + pub fn body_param_names(self, id: BodyId) -> impl Iterator<Item = Ident> + 'hir { self.body(id).params.iter().map(|arg| match arg.pat.kind { PatKind::Binding(_, _, ident, _) => ident, _ => Ident::empty(), @@ -472,7 +472,7 @@ impl<'hir> Map<'hir> { /// Returns the `BodyOwnerKind` of this `LocalDefId`. /// /// Panics if `LocalDefId` does not have an associated body. - pub fn body_owner_kind(&self, id: HirId) -> BodyOwnerKind { + pub fn body_owner_kind(self, id: HirId) -> BodyOwnerKind { match self.get(id) { Node::Item(&Item { kind: ItemKind::Const(..), .. }) | Node::TraitItem(&TraitItem { kind: TraitItemKind::Const(..), .. }) @@ -495,7 +495,7 @@ impl<'hir> Map<'hir> { /// This should only be used for determining the context of a body, a return /// value of `Some` does not always suggest that the owner of the body is `const`, /// just that it has to be checked as if it were. - pub fn body_const_context(&self, did: LocalDefId) -> Option<ConstContext> { + pub fn body_const_context(self, did: LocalDefId) -> Option<ConstContext> { let hir_id = self.local_def_id_to_hir_id(did); let ccx = match self.body_owner_kind(hir_id) { BodyOwnerKind::Const => ConstContext::Const, @@ -549,7 +549,7 @@ impl<'hir> Map<'hir> { }); } - pub fn ty_param_owner(&self, id: HirId) -> LocalDefId { + pub fn ty_param_owner(self, id: HirId) -> LocalDefId { match self.get(id) { Node::Item(&Item { kind: ItemKind::Trait(..) | ItemKind::TraitAlias(..), .. }) => { id.expect_owner() @@ -559,7 +559,7 @@ impl<'hir> Map<'hir> { } } - pub fn ty_param_name(&self, id: HirId) -> Symbol { + pub fn ty_param_name(self, id: HirId) -> Symbol { match self.get(id) { Node::Item(&Item { kind: ItemKind::Trait(..) | ItemKind::TraitAlias(..), .. }) => { kw::SelfUpper @@ -569,18 +569,18 @@ impl<'hir> Map<'hir> { } } - pub fn trait_impls(&self, trait_did: DefId) -> &'hir [LocalDefId] { + pub fn trait_impls(self, trait_did: DefId) -> &'hir [LocalDefId] { self.tcx.all_local_trait_impls(()).get(&trait_did).map_or(&[], |xs| &xs[..]) } /// Gets the attributes on the crate. This is preferable to /// invoking `krate.attrs` because it registers a tighter /// dep-graph access. - pub fn krate_attrs(&self) -> &'hir [ast::Attribute] { + pub fn krate_attrs(self) -> &'hir [ast::Attribute] { self.attrs(CRATE_HIR_ID) } - pub fn get_module(&self, module: LocalDefId) -> (&'hir Mod<'hir>, Span, HirId) { + pub fn get_module(self, module: LocalDefId) -> (&'hir Mod<'hir>, Span, HirId) { let hir_id = HirId::make_owner(module); match self.tcx.hir_owner(module).map(|o| o.node) { Some(OwnerNode::Item(&Item { span, kind: ItemKind::Mod(ref m), .. })) => { @@ -620,7 +620,7 @@ impl<'hir> Map<'hir> { /// follows lexical scoping rules -- then you want a different /// approach. You should override `visit_nested_item` in your /// visitor and then call `intravisit::walk_crate` instead. - pub fn visit_all_item_likes<V>(&self, visitor: &mut V) + pub fn visit_all_item_likes<V>(self, visitor: &mut V) where V: itemlikevisit::ItemLikeVisitor<'hir>, { @@ -637,7 +637,7 @@ impl<'hir> Map<'hir> { } /// A parallel version of `visit_all_item_likes`. - pub fn par_visit_all_item_likes<V>(&self, visitor: &V) + pub fn par_visit_all_item_likes<V>(self, visitor: &V) where V: itemlikevisit::ParItemLikeVisitor<'hir> + Sync + Send, { @@ -653,7 +653,7 @@ impl<'hir> Map<'hir> { }) } - pub fn visit_item_likes_in_module<V>(&self, module: LocalDefId, visitor: &mut V) + pub fn visit_item_likes_in_module<V>(self, module: LocalDefId, visitor: &mut V) where V: ItemLikeVisitor<'hir>, { @@ -676,7 +676,7 @@ impl<'hir> Map<'hir> { } } - pub fn for_each_module(&self, f: impl Fn(LocalDefId)) { + pub fn for_each_module(self, f: impl Fn(LocalDefId)) { let mut queue = VecDeque::new(); queue.push_back(CRATE_DEF_ID); @@ -689,12 +689,12 @@ impl<'hir> Map<'hir> { #[cfg(not(parallel_compiler))] #[inline] - pub fn par_for_each_module(&self, f: impl Fn(LocalDefId)) { + pub fn par_for_each_module(self, f: impl Fn(LocalDefId)) { self.for_each_module(f) } #[cfg(parallel_compiler)] - pub fn par_for_each_module(&self, f: impl Fn(LocalDefId) + Sync) { + pub fn par_for_each_module(self, f: impl Fn(LocalDefId) + Sync) { use rustc_data_structures::sync::{par_iter, ParallelIterator}; par_iter_submodules(self.tcx, CRATE_DEF_ID, &f); @@ -721,7 +721,7 @@ impl<'hir> Map<'hir> { } /// Checks if the node is left-hand side of an assignment. - pub fn is_lhs(&self, id: HirId) -> bool { + pub fn is_lhs(self, id: HirId) -> bool { match self.find(self.get_parent_node(id)) { Some(Node::Expr(expr)) => match expr.kind { ExprKind::Assign(lhs, _rhs, _span) => lhs.hir_id == id, @@ -733,7 +733,7 @@ impl<'hir> Map<'hir> { /// Whether the expression pointed at by `hir_id` belongs to a `const` evaluation context. /// Used exclusively for diagnostics, to avoid suggestion function calls. - pub fn is_inside_const_context(&self, hir_id: HirId) -> bool { + pub fn is_inside_const_context(self, hir_id: HirId) -> bool { self.body_const_context(self.local_def_id(self.enclosing_body_owner(hir_id))).is_some() } @@ -759,7 +759,7 @@ impl<'hir> Map<'hir> { /// false /// } /// ``` - pub fn get_return_block(&self, id: HirId) -> Option<HirId> { + pub fn get_return_block(self, id: HirId) -> Option<HirId> { let mut iter = self.parent_iter(id).peekable(); let mut ignore_tail = false; if let Some(node) = self.find(id) { @@ -799,7 +799,7 @@ impl<'hir> Map<'hir> { /// parent item is in this map. The "parent item" is the closest parent node /// in the HIR which is recorded by the map and is an item, either an item /// in a module, trait, or impl. - pub fn get_parent_item(&self, hir_id: HirId) -> LocalDefId { + pub fn get_parent_item(self, hir_id: HirId) -> LocalDefId { if let Some((def_id, _node)) = self.parent_owner_iter(hir_id).next() { def_id } else { @@ -809,7 +809,7 @@ impl<'hir> Map<'hir> { /// Returns the `HirId` of `id`'s nearest module parent, or `id` itself if no /// module parent is in this map. - pub(super) fn get_module_parent_node(&self, hir_id: HirId) -> LocalDefId { + pub(super) fn get_module_parent_node(self, hir_id: HirId) -> LocalDefId { for (def_id, node) in self.parent_owner_iter(hir_id) { if let OwnerNode::Item(&Item { kind: ItemKind::Mod(_), .. }) = node { return def_id; @@ -823,7 +823,7 @@ impl<'hir> Map<'hir> { /// /// Used by error reporting when there's a type error in an if or match arm caused by the /// expression needing to be unit. - pub fn get_if_cause(&self, hir_id: HirId) -> Option<&'hir Expr<'hir>> { + pub fn get_if_cause(self, hir_id: HirId) -> Option<&'hir Expr<'hir>> { for (_, node) in self.parent_iter(hir_id) { match node { Node::Item(_) @@ -841,7 +841,7 @@ impl<'hir> Map<'hir> { } /// Returns the nearest enclosing scope. A scope is roughly an item or block. - pub fn get_enclosing_scope(&self, hir_id: HirId) -> Option<HirId> { + pub fn get_enclosing_scope(self, hir_id: HirId) -> Option<HirId> { for (hir_id, node) in self.parent_iter(hir_id) { if let Node::Item(Item { kind: @@ -868,7 +868,7 @@ impl<'hir> Map<'hir> { } /// Returns the defining scope for an opaque type definition. - pub fn get_defining_scope(&self, id: HirId) -> HirId { + pub fn get_defining_scope(self, id: HirId) -> HirId { let mut scope = id; loop { scope = self.get_enclosing_scope(scope).unwrap_or(CRATE_HIR_ID); @@ -878,7 +878,7 @@ impl<'hir> Map<'hir> { } } - pub fn get_foreign_abi(&self, hir_id: HirId) -> Abi { + pub fn get_foreign_abi(self, hir_id: HirId) -> Abi { let parent = self.get_parent_item(hir_id); if let Some(node) = self.tcx.hir_owner(parent) { if let OwnerNode::Item(Item { kind: ItemKind::ForeignMod { abi, .. }, .. }) = node.node @@ -892,35 +892,35 @@ impl<'hir> Map<'hir> { ) } - pub fn expect_item(&self, id: LocalDefId) -> &'hir Item<'hir> { + pub fn expect_item(self, id: LocalDefId) -> &'hir Item<'hir> { match self.tcx.hir_owner(id) { Some(Owner { node: OwnerNode::Item(item), .. }) => item, _ => bug!("expected item, found {}", self.node_to_string(HirId::make_owner(id))), } } - pub fn expect_impl_item(&self, id: LocalDefId) -> &'hir ImplItem<'hir> { + pub fn expect_impl_item(self, id: LocalDefId) -> &'hir ImplItem<'hir> { match self.tcx.hir_owner(id) { Some(Owner { node: OwnerNode::ImplItem(item), .. }) => item, _ => bug!("expected impl item, found {}", self.node_to_string(HirId::make_owner(id))), } } - pub fn expect_trait_item(&self, id: LocalDefId) -> &'hir TraitItem<'hir> { + pub fn expect_trait_item(self, id: LocalDefId) -> &'hir TraitItem<'hir> { match self.tcx.hir_owner(id) { Some(Owner { node: OwnerNode::TraitItem(item), .. }) => item, _ => bug!("expected trait item, found {}", self.node_to_string(HirId::make_owner(id))), } } - pub fn expect_variant(&self, id: HirId) -> &'hir Variant<'hir> { + pub fn expect_variant(self, id: HirId) -> &'hir Variant<'hir> { match self.find(id) { Some(Node::Variant(variant)) => variant, _ => bug!("expected variant, found {}", self.node_to_string(id)), } } - pub fn expect_foreign_item(&self, id: LocalDefId) -> &'hir ForeignItem<'hir> { + pub fn expect_foreign_item(self, id: LocalDefId) -> &'hir ForeignItem<'hir> { match self.tcx.hir_owner(id) { Some(Owner { node: OwnerNode::ForeignItem(item), .. }) => item, _ => { @@ -929,14 +929,14 @@ impl<'hir> Map<'hir> { } } - pub fn expect_expr(&self, id: HirId) -> &'hir Expr<'hir> { + pub fn expect_expr(self, id: HirId) -> &'hir Expr<'hir> { match self.find(id) { Some(Node::Expr(expr)) => expr, _ => bug!("expected expr, found {}", self.node_to_string(id)), } } - pub fn opt_name(&self, id: HirId) -> Option<Symbol> { + pub fn opt_name(self, id: HirId) -> Option<Symbol> { Some(match self.get(id) { Node::Item(i) => i.ident.name, Node::ForeignItem(fi) => fi.ident.name, @@ -952,7 +952,7 @@ impl<'hir> Map<'hir> { }) } - pub fn name(&self, id: HirId) -> Symbol { + pub fn name(self, id: HirId) -> Symbol { match self.opt_name(id) { Some(name) => name, None => bug!("no name for {}", self.node_to_string(id)), @@ -961,18 +961,18 @@ impl<'hir> Map<'hir> { /// Given a node ID, gets a list of attributes associated with the AST /// corresponding to the node-ID. - pub fn attrs(&self, id: HirId) -> &'hir [ast::Attribute] { + pub fn attrs(self, id: HirId) -> &'hir [ast::Attribute] { self.tcx.hir_attrs(id.owner).get(id.local_id) } /// Gets the span of the definition of the specified HIR node. /// This is used by `tcx.get_span` - pub fn span(&self, hir_id: HirId) -> Span { + pub fn span(self, hir_id: HirId) -> Span { self.opt_span(hir_id) .unwrap_or_else(|| bug!("hir::map::Map::span: id not in map: {:?}", hir_id)) } - pub fn opt_span(&self, hir_id: HirId) -> Option<Span> { + pub fn opt_span(self, hir_id: HirId) -> Option<Span> { let span = match self.find(hir_id)? { Node::Param(param) => param.span, Node::Item(item) => match &item.kind { @@ -1021,7 +1021,7 @@ impl<'hir> Map<'hir> { /// Like `hir.span()`, but includes the body of function items /// (instead of just the function header) - pub fn span_with_body(&self, hir_id: HirId) -> Span { + pub fn span_with_body(self, hir_id: HirId) -> Span { match self.find(hir_id) { Some(Node::TraitItem(item)) => item.span, Some(Node::ImplItem(impl_item)) => impl_item.span, @@ -1031,11 +1031,11 @@ impl<'hir> Map<'hir> { } } - pub fn span_if_local(&self, id: DefId) -> Option<Span> { + pub fn span_if_local(self, id: DefId) -> Option<Span> { id.as_local().and_then(|id| self.opt_span(self.local_def_id_to_hir_id(id))) } - pub fn res_span(&self, res: Res) -> Option<Span> { + pub fn res_span(self, res: Res) -> Option<Span> { match res { Res::Err => None, Res::Local(id) => Some(self.span(id)), @@ -1045,13 +1045,13 @@ impl<'hir> Map<'hir> { /// Get a representation of this `id` for debugging purposes. /// NOTE: Do NOT use this in diagnostics! - pub fn node_to_string(&self, id: HirId) -> String { + pub fn node_to_string(self, id: HirId) -> String { hir_id_to_string(self, id) } /// Returns the HirId of `N` in `struct Foo<const N: usize = { ... }>` when /// called with the HirId for the `{ ... }` anon const - pub fn opt_const_param_default_param_hir_id(&self, anon_const: HirId) -> Option<HirId> { + pub fn opt_const_param_default_param_hir_id(self, anon_const: HirId) -> Option<HirId> { match self.get(self.get_parent_node(anon_const)) { Node::GenericParam(GenericParam { hir_id: param_id, @@ -1065,27 +1065,27 @@ impl<'hir> Map<'hir> { impl<'hir> intravisit::Map<'hir> for Map<'hir> { fn find(&self, hir_id: HirId) -> Option<Node<'hir>> { - self.find(hir_id) + (*self).find(hir_id) } fn body(&self, id: BodyId) -> &'hir Body<'hir> { - self.body(id) + (*self).body(id) } fn item(&self, id: ItemId) -> &'hir Item<'hir> { - self.item(id) + (*self).item(id) } fn trait_item(&self, id: TraitItemId) -> &'hir TraitItem<'hir> { - self.trait_item(id) + (*self).trait_item(id) } fn impl_item(&self, id: ImplItemId) -> &'hir ImplItem<'hir> { - self.impl_item(id) + (*self).impl_item(id) } fn foreign_item(&self, id: ForeignItemId) -> &'hir ForeignItem<'hir> { - self.foreign_item(id) + (*self).foreign_item(id) } } @@ -1154,7 +1154,7 @@ fn upstream_crates(tcx: TyCtxt<'_>) -> Vec<(StableCrateId, Svh)> { upstream_crates } -fn hir_id_to_string(map: &Map<'_>, id: HirId) -> String { +fn hir_id_to_string(map: Map<'_>, id: HirId) -> String { let id_str = format!(" (hir_id={})", id); let path_str = || { diff --git a/compiler/rustc_resolve/src/late/lifetimes.rs b/compiler/rustc_resolve/src/late/lifetimes.rs index 56879ef1808..5a1378a3686 100644 --- a/compiler/rustc_resolve/src/late/lifetimes.rs +++ b/compiler/rustc_resolve/src/late/lifetimes.rs @@ -41,9 +41,9 @@ pub enum LifetimeUseSet<'tcx> { } trait RegionExt { - fn early(hir_map: &Map<'_>, index: &mut u32, param: &GenericParam<'_>) -> (ParamName, Region); + fn early(hir_map: Map<'_>, index: &mut u32, param: &GenericParam<'_>) -> (ParamName, Region); - fn late(index: u32, hir_map: &Map<'_>, param: &GenericParam<'_>) -> (ParamName, Region); + fn late(index: u32, hir_map: Map<'_>, param: &GenericParam<'_>) -> (ParamName, Region); fn late_anon(named_late_bound_vars: u32, index: &Cell<u32>) -> Region; @@ -59,7 +59,7 @@ trait RegionExt { } impl RegionExt for Region { - fn early(hir_map: &Map<'_>, index: &mut u32, param: &GenericParam<'_>) -> (ParamName, Region) { + fn early(hir_map: Map<'_>, index: &mut u32, param: &GenericParam<'_>) -> (ParamName, Region) { let i = *index; *index += 1; let def_id = hir_map.local_def_id(param.hir_id); @@ -68,7 +68,7 @@ impl RegionExt for Region { (param.name.normalize_to_macros_2_0(), Region::EarlyBound(i, def_id.to_def_id(), origin)) } - fn late(idx: u32, hir_map: &Map<'_>, param: &GenericParam<'_>) -> (ParamName, Region) { + fn late(idx: u32, hir_map: Map<'_>, param: &GenericParam<'_>) -> (ParamName, Region) { let depth = ty::INNERMOST; let def_id = hir_map.local_def_id(param.hir_id); let origin = LifetimeDefOrigin::from_param(param); @@ -817,7 +817,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .iter() .filter_map(|param| match param.kind { GenericParamKind::Lifetime { .. } => { - Some(Region::early(&self.tcx.hir(), &mut index, param)) + Some(Region::early(self.tcx.hir(), &mut index, param)) } GenericParamKind::Type { .. } | GenericParamKind::Const { .. } => { non_lifetime_count += 1; @@ -888,7 +888,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .filter(|param| matches!(param.kind, GenericParamKind::Lifetime { .. })) .enumerate() .map(|(late_bound_idx, param)| { - let pair = Region::late(late_bound_idx as u32, &self.tcx.hir(), param); + let pair = Region::late(late_bound_idx as u32, self.tcx.hir(), param); let r = late_region_as_bound_region(self.tcx, &pair.1); (pair, r) }) @@ -1045,7 +1045,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { for param in generics.params { match param.kind { GenericParamKind::Lifetime { .. } => { - let (name, reg) = Region::early(&self.tcx.hir(), &mut index, ¶m); + let (name, reg) = Region::early(self.tcx.hir(), &mut index, ¶m); let Region::EarlyBound(_, def_id, _) = reg else { bug!(); }; @@ -1145,7 +1145,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .iter() .filter_map(|param| match param.kind { GenericParamKind::Lifetime { .. } => { - Some(Region::early(&self.tcx.hir(), &mut index, param)) + Some(Region::early(self.tcx.hir(), &mut index, param)) } GenericParamKind::Type { .. } | GenericParamKind::Const { .. } => { non_lifetime_count += 1; @@ -1214,7 +1214,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .iter() .filter_map(|param| match param.kind { GenericParamKind::Lifetime { .. } => { - Some(Region::early(&self.tcx.hir(), &mut index, param)) + Some(Region::early(self.tcx.hir(), &mut index, param)) } GenericParamKind::Const { .. } | GenericParamKind::Type { .. } => { non_lifetime_count += 1; @@ -1368,7 +1368,7 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .enumerate() .map(|(late_bound_idx, param)| { let pair = - Region::late(late_bound_idx as u32, &this.tcx.hir(), param); + Region::late(late_bound_idx as u32, this.tcx.hir(), param); let r = late_region_as_bound_region(this.tcx, &pair.1); (pair, r) }) @@ -1463,11 +1463,8 @@ impl<'a, 'tcx> Visitor<'tcx> for LifetimeContext<'a, 'tcx> { .filter(|param| matches!(param.kind, GenericParamKind::Lifetime { .. })) .enumerate() .map(|(late_bound_idx, param)| { - let pair = Region::late( - initial_bound_vars + late_bound_idx as u32, - &self.tcx.hir(), - param, - ); + let pair = + Region::late(initial_bound_vars + late_bound_idx as u32, self.tcx.hir(), param); let r = late_region_as_bound_region(self.tcx, &pair.1); lifetimes.insert(pair.0, pair.1); r @@ -2194,9 +2191,9 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { if self.map.late_bound.contains(¶m.hir_id) { let late_bound_idx = named_late_bound_vars; named_late_bound_vars += 1; - Some(Region::late(late_bound_idx, &self.tcx.hir(), param)) + Some(Region::late(late_bound_idx, self.tcx.hir(), param)) } else { - Some(Region::early(&self.tcx.hir(), &mut next_early_index, param)) + Some(Region::early(self.tcx.hir(), &mut next_early_index, param)) } } GenericParamKind::Type { .. } | GenericParamKind::Const { .. } => { @@ -2216,7 +2213,7 @@ impl<'a, 'tcx> LifetimeContext<'a, 'tcx> { }) .enumerate() .map(|(late_bound_idx, param)| { - let pair = Region::late(late_bound_idx as u32, &self.tcx.hir(), param); + let pair = Region::late(late_bound_idx as u32, self.tcx.hir(), param); late_region_as_bound_region(self.tcx, &pair.1) }) .collect(); diff --git a/compiler/rustc_save_analysis/src/dump_visitor.rs b/compiler/rustc_save_analysis/src/dump_visitor.rs index a3f7e84b1d5..79d55b297fd 100644 --- a/compiler/rustc_save_analysis/src/dump_visitor.rs +++ b/compiler/rustc_save_analysis/src/dump_visitor.rs @@ -262,7 +262,7 @@ impl<'tcx> DumpVisitor<'tcx> { ) { debug!("process_method: {:?}:{}", def_id, ident); - let map = &self.tcx.hir(); + let map = self.tcx.hir(); let hir_id = map.local_def_id_to_hir_id(def_id); self.nest_typeck_results(def_id, |v| { if let Some(mut method_data) = v.save_ctxt.get_method_data(hir_id, ident, span) { @@ -361,7 +361,7 @@ impl<'tcx> DumpVisitor<'tcx> { ty_params: &'tcx hir::Generics<'tcx>, body: hir::BodyId, ) { - let map = &self.tcx.hir(); + let map = self.tcx.hir(); self.nest_typeck_results(item.def_id, |v| { let body = map.body(body); if let Some(fn_data) = v.save_ctxt.get_item_data(item) { @@ -626,7 +626,7 @@ impl<'tcx> DumpVisitor<'tcx> { } } - let map = &self.tcx.hir(); + let map = self.tcx.hir(); self.nest_typeck_results(item.def_id, |v| { v.visit_ty(&impl_.self_ty); if let Some(trait_ref) = &impl_.of_trait { @@ -716,7 +716,7 @@ impl<'tcx> DumpVisitor<'tcx> { // walk generics and methods self.process_generic_params(generics, &qualname, item.hir_id()); for method in methods { - let map = &self.tcx.hir(); + let map = self.tcx.hir(); self.process_trait_item(map.trait_item(method.id), item.def_id.to_def_id()) } } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs index 1540725246b..4e7a34d5951 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs @@ -77,7 +77,7 @@ impl<'a, 'tcx> InferCtxtExt<'tcx> for InferCtxt<'a, 'tcx> { /// Used to set on_unimplemented's `ItemContext` /// to be the enclosing (async) block/function/closure fn describe_enclosure(&self, hir_id: hir::HirId) -> Option<&'static str> { - let hir = &self.tcx.hir(); + let hir = self.tcx.hir(); let node = hir.find(hir_id)?; match &node { hir::Node::Item(hir::Item { kind: hir::ItemKind::Fn(sig, _, body_id), .. }) => { diff --git a/compiler/rustc_typeck/src/check/method/suggest.rs b/compiler/rustc_typeck/src/check/method/suggest.rs index 58ea197d3e9..a17553b920f 100644 --- a/compiler/rustc_typeck/src/check/method/suggest.rs +++ b/compiler/rustc_typeck/src/check/method/suggest.rs @@ -1663,7 +1663,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let table_owner = table.borrow().hir_owner; let generics = self.tcx.generics_of(table_owner.to_def_id()); let type_param = generics.type_param(param, self.tcx); - let hir = &self.tcx.hir(); + let hir = self.tcx.hir(); if let Some(def_id) = type_param.def_id.as_local() { let id = hir.local_def_id_to_hir_id(def_id); // Get the `hir::Param` to verify whether it already has any bounds. |