Rollup merge of #56663 - Zoxc:resolver-lifetime, r=pnkfelix

Remove lifetime from Resolver

6 files changed, 40 insertions, 40 deletions

diff --git a/src/librustc_resolve/build_reduced_graph.rs b/src/librustc_resolve/build_reduced_graph.rs
index 191e4e8fe2a..f082d776969 100644
--- a/src/librustc_resolve/build_reduced_graph.rs
+++ b/src/librustc_resolve/build_reduced_graph.rs
@@ -83,7 +83,7 @@ impl<'a> ToNameBinding<'a> for (Def, ty::Visibility, Span, Mark, IsMacroExport)
     }
 }
 
-impl<'a, 'cl> Resolver<'a, 'cl> {
+impl<'a> Resolver<'a> {
     /// Defines `name` in namespace `ns` of module `parent` to be `def` if it is not yet defined;
     /// otherwise, reports an error.
     pub fn define<T>(&mut self, parent: Module<'a>, ident: Ident, ns: Namespace, def: T)
@@ -888,13 +888,13 @@ impl<'a, 'cl> Resolver<'a, 'cl> {
     }
 }
 
-pub struct BuildReducedGraphVisitor<'a, 'b: 'a, 'c: 'b> {
-    pub resolver: &'a mut Resolver<'b, 'c>,
+pub struct BuildReducedGraphVisitor<'a, 'b: 'a> {
+    pub resolver: &'a mut Resolver<'b>,
     pub current_legacy_scope: LegacyScope<'b>,
     pub expansion: Mark,
 }
 
-impl<'a, 'b, 'cl> BuildReducedGraphVisitor<'a, 'b, 'cl> {
+impl<'a, 'b> BuildReducedGraphVisitor<'a, 'b> {
     fn visit_invoc(&mut self, id: ast::NodeId) -> &'b InvocationData<'b> {
         let mark = id.placeholder_to_mark();
         self.resolver.current_module.unresolved_invocations.borrow_mut().insert(mark);
@@ -917,7 +917,7 @@ macro_rules! method {
     }
 }
 
-impl<'a, 'b, 'cl> Visitor<'a> for BuildReducedGraphVisitor<'a, 'b, 'cl> {
+impl<'a, 'b> Visitor<'a> for BuildReducedGraphVisitor<'a, 'b> {
     method!(visit_impl_item: ast::ImplItem, ast::ImplItemKind::Macro, walk_impl_item);
     method!(visit_expr:      ast::Expr,     ast::ExprKind::Mac,       walk_expr);
     method!(visit_pat:       ast::Pat,      ast::PatKind::Mac,        walk_pat);
diff --git a/src/librustc_resolve/check_unused.rs b/src/librustc_resolve/check_unused.rs
index 659ca1f5b9f..5d231d845cf 100644
--- a/src/librustc_resolve/check_unused.rs
+++ b/src/librustc_resolve/check_unused.rs
@@ -31,8 +31,8 @@ use syntax::visit::{self, Visitor};
 use syntax_pos::{Span, MultiSpan, DUMMY_SP};
 
 
-struct UnusedImportCheckVisitor<'a, 'b: 'a, 'd: 'b> {
-    resolver: &'a mut Resolver<'b, 'd>,
+struct UnusedImportCheckVisitor<'a, 'b: 'a> {
+    resolver: &'a mut Resolver<'b>,
     /// All the (so far) unused imports, grouped path list
     unused_imports: NodeMap<NodeMap<Span>>,
     base_id: ast::NodeId,
@@ -40,21 +40,21 @@ struct UnusedImportCheckVisitor<'a, 'b: 'a, 'd: 'b> {
 }
 
 // Deref and DerefMut impls allow treating UnusedImportCheckVisitor as Resolver.
-impl<'a, 'b, 'd> Deref for UnusedImportCheckVisitor<'a, 'b, 'd> {
-    type Target = Resolver<'b, 'd>;
+impl<'a, 'b> Deref for UnusedImportCheckVisitor<'a, 'b> {
+    type Target = Resolver<'b>;
 
-    fn deref<'c>(&'c self) -> &'c Resolver<'b, 'd> {
+    fn deref<'c>(&'c self) -> &'c Resolver<'b> {
         &*self.resolver
     }
 }
 
-impl<'a, 'b, 'd> DerefMut for UnusedImportCheckVisitor<'a, 'b, 'd> {
-    fn deref_mut<'c>(&'c mut self) -> &'c mut Resolver<'b, 'd> {
+impl<'a, 'b> DerefMut for UnusedImportCheckVisitor<'a, 'b> {
+    fn deref_mut<'c>(&'c mut self) -> &'c mut Resolver<'b> {
         &mut *self.resolver
     }
 }
 
-impl<'a, 'b, 'd> UnusedImportCheckVisitor<'a, 'b, 'd> {
+impl<'a, 'b> UnusedImportCheckVisitor<'a, 'b> {
     // We have information about whether `use` (import) directives are actually
     // used now. If an import is not used at all, we signal a lint error.
     fn check_import(&mut self, item_id: ast::NodeId, id: ast::NodeId, span: Span) {
@@ -77,7 +77,7 @@ impl<'a, 'b, 'd> UnusedImportCheckVisitor<'a, 'b, 'd> {
     }
 }
 
-impl<'a, 'b, 'cl> Visitor<'a> for UnusedImportCheckVisitor<'a, 'b, 'cl> {
+impl<'a, 'b> Visitor<'a> for UnusedImportCheckVisitor<'a, 'b> {
     fn visit_item(&mut self, item: &'a ast::Item) {
         self.item_span = item.span;
 
diff --git a/src/librustc_resolve/error_reporting.rs b/src/librustc_resolve/error_reporting.rs
index 23edaf12438..5ff012662f9 100644
--- a/src/librustc_resolve/error_reporting.rs
+++ b/src/librustc_resolve/error_reporting.rs
@@ -17,7 +17,7 @@ use syntax_pos::Span;
 use resolve_imports::ImportResolver;
 use std::cmp::Reverse;
 
-impl<'a, 'b:'a, 'c: 'b> ImportResolver<'a, 'b, 'c> {
+impl<'a, 'b:'a> ImportResolver<'a, 'b> {
     /// Add suggestions for a path that cannot be resolved.
     pub(crate) fn make_path_suggestion(
         &mut self,
diff --git a/src/librustc_resolve/lib.rs b/src/librustc_resolve/lib.rs
index e449fece6b4..36f4497b77f 100644
--- a/src/librustc_resolve/lib.rs
+++ b/src/librustc_resolve/lib.rs
@@ -742,7 +742,7 @@ impl<'tcx> Visitor<'tcx> for UsePlacementFinder {
 }
 
 /// This thing walks the whole crate in DFS manner, visiting each item, resolving names as it goes.
-impl<'a, 'tcx, 'cl> Visitor<'tcx> for Resolver<'a, 'cl> {
+impl<'a, 'tcx> Visitor<'tcx> for Resolver<'a> {
     fn visit_item(&mut self, item: &'tcx Item) {
         self.resolve_item(item);
     }
@@ -1476,7 +1476,7 @@ pub struct ExternPreludeEntry<'a> {
 /// The main resolver class.
 ///
 /// This is the visitor that walks the whole crate.
-pub struct Resolver<'a, 'b: 'a> {
+pub struct Resolver<'a> {
     session: &'a Session,
     cstore: &'a CStore,
 
@@ -1580,7 +1580,7 @@ pub struct Resolver<'a, 'b: 'a> {
     arenas: &'a ResolverArenas<'a>,
     dummy_binding: &'a NameBinding<'a>,
 
-    crate_loader: &'a mut CrateLoader<'b>,
+    crate_loader: &'a mut CrateLoader<'a>,
     macro_names: FxHashSet<Ident>,
     builtin_macros: FxHashMap<Name, &'a NameBinding<'a>>,
     macro_use_prelude: FxHashMap<Name, &'a NameBinding<'a>>,
@@ -1654,7 +1654,7 @@ impl<'a> ResolverArenas<'a> {
     }
 }
 
-impl<'a, 'b: 'a, 'cl: 'b> ty::DefIdTree for &'a Resolver<'b, 'cl> {
+impl<'a, 'b: 'a> ty::DefIdTree for &'a Resolver<'b> {
     fn parent(self, id: DefId) -> Option<DefId> {
         match id.krate {
             LOCAL_CRATE => self.definitions.def_key(id.index).parent,
@@ -1665,7 +1665,7 @@ impl<'a, 'b: 'a, 'cl: 'b> ty::DefIdTree for &'a Resolver<'b, 'cl> {
 
 /// This interface is used through the AST→HIR step, to embed full paths into the HIR. After that
 /// the resolver is no longer needed as all the relevant information is inline.
-impl<'a, 'cl> hir::lowering::Resolver for Resolver<'a, 'cl> {
+impl<'a> hir::lowering::Resolver for Resolver<'a> {
     fn resolve_hir_path(
         &mut self,
         path: &ast::Path,
@@ -1711,7 +1711,7 @@ impl<'a, 'cl> hir::lowering::Resolver for Resolver<'a, 'cl> {
     }
 }
 
-impl<'a, 'crateloader> Resolver<'a, 'crateloader> {
+impl<'a> Resolver<'a> {
     /// Rustdoc uses this to resolve things in a recoverable way. ResolutionError<'a>
     /// isn't something that can be returned because it can't be made to live that long,
     /// and also it's a private type. Fortunately rustdoc doesn't need to know the error,
@@ -1800,15 +1800,15 @@ impl<'a, 'crateloader> Resolver<'a, 'crateloader> {
     }
 }
 
-impl<'a, 'crateloader: 'a> Resolver<'a, 'crateloader> {
+impl<'a> Resolver<'a> {
     pub fn new(session: &'a Session,
                cstore: &'a CStore,
                krate: &Crate,
                crate_name: &str,
                make_glob_map: MakeGlobMap,
-               crate_loader: &'a mut CrateLoader<'crateloader>,
+               crate_loader: &'a mut CrateLoader<'a>,
                arenas: &'a ResolverArenas<'a>)
-               -> Resolver<'a, 'crateloader> {
+               -> Resolver<'a> {
         let root_def_id = DefId::local(CRATE_DEF_INDEX);
         let root_module_kind = ModuleKind::Def(Def::Mod(root_def_id), keywords::Invalid.name());
         let graph_root = arenas.alloc_module(ModuleData {
diff --git a/src/librustc_resolve/macros.rs b/src/librustc_resolve/macros.rs
index 3f57c74c2c3..32f0d84342e 100644
--- a/src/librustc_resolve/macros.rs
+++ b/src/librustc_resolve/macros.rs
@@ -121,7 +121,7 @@ fn sub_namespace_match(candidate: Option<MacroKind>, requirement: Option<MacroKi
     candidate.is_none() || requirement.is_none() || candidate == requirement
 }
 
-impl<'a, 'crateloader: 'a> base::Resolver for Resolver<'a, 'crateloader> {
+impl<'a> base::Resolver for Resolver<'a> {
     fn next_node_id(&mut self) -> ast::NodeId {
         self.session.next_node_id()
     }
@@ -139,11 +139,11 @@ impl<'a, 'crateloader: 'a> base::Resolver for Resolver<'a, 'crateloader> {
     }
 
     fn eliminate_crate_var(&mut self, item: P<ast::Item>) -> P<ast::Item> {
-        struct EliminateCrateVar<'b, 'a: 'b, 'crateloader: 'a>(
-            &'b mut Resolver<'a, 'crateloader>, Span
+        struct EliminateCrateVar<'b, 'a: 'b>(
+            &'b mut Resolver<'a>, Span
         );
 
-        impl<'a, 'b, 'crateloader> Folder for EliminateCrateVar<'a, 'b, 'crateloader> {
+        impl<'a, 'b> Folder for EliminateCrateVar<'a, 'b> {
             fn fold_path(&mut self, path: ast::Path) -> ast::Path {
                 match self.fold_qpath(None, path) {
                     (None, path) => path,
@@ -290,7 +290,7 @@ impl<'a, 'crateloader: 'a> base::Resolver for Resolver<'a, 'crateloader> {
     }
 }
 
-impl<'a, 'cl> Resolver<'a, 'cl> {
+impl<'a> Resolver<'a> {
     pub fn dummy_parent_scope(&self) -> ParentScope<'a> {
         self.invoc_parent_scope(Mark::root(), Vec::new())
     }
diff --git a/src/librustc_resolve/resolve_imports.rs b/src/librustc_resolve/resolve_imports.rs
index 015cd31ac1d..7b55ee9ce33 100644
--- a/src/librustc_resolve/resolve_imports.rs
+++ b/src/librustc_resolve/resolve_imports.rs
@@ -134,7 +134,7 @@ impl<'a> NameResolution<'a> {
     }
 }
 
-impl<'a, 'crateloader> Resolver<'a, 'crateloader> {
+impl<'a> Resolver<'a> {
     fn resolution(&self, module: Module<'a>, ident: Ident, ns: Namespace)
                   -> &'a RefCell<NameResolution<'a>> {
         *module.resolutions.borrow_mut().entry((ident.modern(), ns))
@@ -541,7 +541,7 @@ impl<'a, 'crateloader> Resolver<'a, 'crateloader> {
     // If the resolution becomes a success, define it in the module's glob importers.
     fn update_resolution<T, F>(&mut self, module: Module<'a>, ident: Ident, ns: Namespace, f: F)
                                -> T
-        where F: FnOnce(&mut Resolver<'a, 'crateloader>, &mut NameResolution<'a>) -> T
+        where F: FnOnce(&mut Resolver<'a>, &mut NameResolution<'a>) -> T
     {
         // Ensure that `resolution` isn't borrowed when defining in the module's glob importers,
         // during which the resolution might end up getting re-defined via a glob cycle.
@@ -592,30 +592,30 @@ impl<'a, 'crateloader> Resolver<'a, 'crateloader> {
     }
 }
 
-pub struct ImportResolver<'a, 'b: 'a, 'c: 'a + 'b> {
-    pub resolver: &'a mut Resolver<'b, 'c>,
+pub struct ImportResolver<'a, 'b: 'a> {
+    pub resolver: &'a mut Resolver<'b>,
 }
 
-impl<'a, 'b: 'a, 'c: 'a + 'b> ::std::ops::Deref for ImportResolver<'a, 'b, 'c> {
-    type Target = Resolver<'b, 'c>;
-    fn deref(&self) -> &Resolver<'b, 'c> {
+impl<'a, 'b: 'a> ::std::ops::Deref for ImportResolver<'a, 'b> {
+    type Target = Resolver<'b>;
+    fn deref(&self) -> &Resolver<'b> {
         self.resolver
     }
 }
 
-impl<'a, 'b: 'a, 'c: 'a + 'b> ::std::ops::DerefMut for ImportResolver<'a, 'b, 'c> {
-    fn deref_mut(&mut self) -> &mut Resolver<'b, 'c> {
+impl<'a, 'b: 'a> ::std::ops::DerefMut for ImportResolver<'a, 'b> {
+    fn deref_mut(&mut self) -> &mut Resolver<'b> {
         self.resolver
     }
 }
 
-impl<'a, 'b: 'a, 'c: 'a + 'b> ty::DefIdTree for &'a ImportResolver<'a, 'b, 'c> {
+impl<'a, 'b: 'a> ty::DefIdTree for &'a ImportResolver<'a, 'b> {
     fn parent(self, id: DefId) -> Option<DefId> {
         self.resolver.parent(id)
     }
 }
 
-impl<'a, 'b:'a, 'c: 'b> ImportResolver<'a, 'b, 'c> {
+impl<'a, 'b:'a> ImportResolver<'a, 'b> {
     // Import resolution
     //
     // This is a fixed-point algorithm. We resolve imports until our efforts