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remove ItemLikeVisitor and DeepVisitor

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Signed-off-by: Miguel Guarniz <mi9uel9@gmail.com>
This commit is contained in:
Miguel Guarniz
2022-05-07 15:43:10 -04:00
parent 0b7dd95475
commit 93616dd539
14 changed files with 15 additions and 113 deletions
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43
compiler/rustc_hir/src/intravisit.rs
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@@ -32,43 +32,12 @@
//! example generator inference, and possibly also HIR borrowck.
use crate::hir::*;
use crate::itemlikevisit::{ItemLikeVisitor, ParItemLikeVisitor};
use crate::itemlikevisit::ParItemLikeVisitor;
use rustc_ast::walk_list;
use rustc_ast::{Attribute, Label};
use rustc_span::symbol::{Ident, Symbol};
use rustc_span::Span;
pub struct DeepVisitor<'v, V> {
visitor: &'v mut V,
}
impl<'v, V> DeepVisitor<'v, V> {
pub fn new(base: &'v mut V) -> Self {
DeepVisitor { visitor: base }
}
}
impl<'v, 'hir, V> ItemLikeVisitor<'hir> for DeepVisitor<'v, V>
where
V: Visitor<'hir>,
{
fn visit_item(&mut self, item: &'hir Item<'hir>) {
self.visitor.visit_item(item);
}
fn visit_trait_item(&mut self, trait_item: &'hir TraitItem<'hir>) {
self.visitor.visit_trait_item(trait_item);
}
fn visit_impl_item(&mut self, impl_item: &'hir ImplItem<'hir>) {
self.visitor.visit_impl_item(impl_item);
}
fn visit_foreign_item(&mut self, foreign_item: &'hir ForeignItem<'hir>) {
self.visitor.visit_foreign_item(foreign_item);
}
}
pub trait IntoVisitor<'hir> {
type Visitor: Visitor<'hir>;
fn into_visitor(&self) -> Self::Visitor;
@@ -315,16 +284,6 @@ pub trait Visitor<'v>: Sized {
walk_body(self, b);
}
/// When invoking `visit_all_item_likes()`, you need to supply an
/// item-like visitor. This method converts an "intra-visit"
/// visitor into an item-like visitor that walks the entire tree.
/// If you use this, you probably don't want to process the
/// contents of nested item-like things, since the outer loop will
/// visit them as well.
fn as_deep_visitor(&mut self) -> DeepVisitor<'_, Self> {
DeepVisitor::new(self)
}
///////////////////////////////////////////////////////////////////////////
fn visit_id(&mut self, _hir_id: HirId) {