bjoernager/rust
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Replace NestedVisitorMap with NestedFilter

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This commit is contained in:
Cameron Steffen 2021-11-03 18:03:12 -05:00
parent bd3cb52565
commit 45db716902
57 changed files with 258 additions and 512 deletions
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6
compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs
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@ -2184,12 +2184,6 @@ struct FindTypeParam {
}
impl<'v> Visitor<'v> for FindTypeParam {
type Map = rustc_hir::intravisit::ErasedMap<'v>;
fn nested_visit_map(&mut self) -> hir::intravisit::NestedVisitorMap<Self::Map> {
hir::intravisit::NestedVisitorMap::None
}
fn visit_where_predicate(&mut self, _: &'v hir::WherePredicate<'v>) {
// Skip where-clauses, to avoid suggesting indirection for type parameters found there.
}

12
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
View file

@ -2519,12 +2519,6 @@ pub struct ReturnsVisitor<'v> {
}
impl<'v> Visitor<'v> for ReturnsVisitor<'v> {
type Map = hir::intravisit::ErasedMap<'v>;
fn nested_visit_map(&mut self) -> hir::intravisit::NestedVisitorMap<Self::Map> {
hir::intravisit::NestedVisitorMap::None
}
fn visit_expr(&mut self, ex: &'v hir::Expr<'v>) {
// Visit every expression to detect `return` paths, either through the function's tail
// expression or `return` statements. We walk all nodes to find `return` statements, but
@ -2581,12 +2575,6 @@ struct AwaitsVisitor {
}
impl<'v> Visitor<'v> for AwaitsVisitor {
type Map = hir::intravisit::ErasedMap<'v>;
fn nested_visit_map(&mut self) -> hir::intravisit::NestedVisitorMap<Self::Map> {
hir::intravisit::NestedVisitorMap::None
}
fn visit_expr(&mut self, ex: &'v hir::Expr<'v>) {
if let hir::ExprKind::Yield(_, hir::YieldSource::Await { expr: Some(id) }) = ex.kind {
self.awaits.push(id)