bjoernager/rust
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Create some minimal HIR for associated opaque types

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This commit is contained in:
Vadim Petrochenkov 2024-02-11 19:08:30 +03:00
parent 9ce37dc729
commit b6312eb943
16 changed files with 67 additions and 29 deletions
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14
compiler/rustc_hir/src/hir.rs
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@ -2553,6 +2553,11 @@ pub struct OpaqueTy<'hir> {
pub in_trait: bool,
}
#[derive(Copy, Clone, Debug, HashStable_Generic)]
pub struct AssocOpaqueTy {
// Add some data if necessary
}
/// From whence the opaque type came.
#[derive(Copy, Clone, PartialEq, Eq, Debug, HashStable_Generic)]
pub enum OpaqueTyOrigin {
@ -3363,6 +3368,7 @@ pub enum OwnerNode<'hir> {
TraitItem(&'hir TraitItem<'hir>),
ImplItem(&'hir ImplItem<'hir>),
Crate(&'hir Mod<'hir>),
AssocOpaqueTy(&'hir AssocOpaqueTy),
}
impl<'hir> OwnerNode<'hir> {
@ -3372,7 +3378,7 @@ impl<'hir> OwnerNode<'hir> {
| OwnerNode::ForeignItem(ForeignItem { ident, .. })
| OwnerNode::ImplItem(ImplItem { ident, .. })
| OwnerNode::TraitItem(TraitItem { ident, .. }) => Some(*ident),
OwnerNode::Crate(..) => None,
OwnerNode::Crate(..) | OwnerNode::AssocOpaqueTy(..) => None,
}
}
@ -3385,6 +3391,7 @@ impl<'hir> OwnerNode<'hir> {
| OwnerNode::ImplItem(ImplItem { span, .. })
| OwnerNode::TraitItem(TraitItem { span, .. }) => span,
OwnerNode::Crate(Mod { spans: ModSpans { inner_span, .. }, .. }) => inner_span,
OwnerNode::AssocOpaqueTy(..) => unreachable!(),
}
}
@ -3443,6 +3450,7 @@ impl<'hir> OwnerNode<'hir> {
| OwnerNode::ImplItem(ImplItem { owner_id, .. })
| OwnerNode::ForeignItem(ForeignItem { owner_id, .. }) => *owner_id,
OwnerNode::Crate(..) => crate::CRATE_HIR_ID.owner,
OwnerNode::AssocOpaqueTy(..) => unreachable!(),
}
}
@ -3486,6 +3494,7 @@ impl<'hir> Into<Node<'hir>> for OwnerNode<'hir> {
OwnerNode::ImplItem(n) => Node::ImplItem(n),
OwnerNode::TraitItem(n) => Node::TraitItem(n),
OwnerNode::Crate(n) => Node::Crate(n),
OwnerNode::AssocOpaqueTy(n) => Node::AssocOpaqueTy(n),
}
}
}
@ -3523,6 +3532,7 @@ pub enum Node<'hir> {
WhereBoundPredicate(&'hir WhereBoundPredicate<'hir>),
// FIXME: Merge into `Node::Infer`.
ArrayLenInfer(&'hir InferArg),
AssocOpaqueTy(&'hir AssocOpaqueTy),
// Span by reference to minimize `Node`'s size
#[allow(rustc::pass_by_value)]
Err(&'hir Span),
@ -3573,6 +3583,7 @@ impl<'hir> Node<'hir> {
| Node::Infer(..)
| Node::WhereBoundPredicate(..)
| Node::ArrayLenInfer(..)
| Node::AssocOpaqueTy(..)
| Node::Err(..) => None,
}
}
@ -3678,6 +3689,7 @@ impl<'hir> Node<'hir> {
Node::TraitItem(i) => Some(OwnerNode::TraitItem(i)),
Node::ImplItem(i) => Some(OwnerNode::ImplItem(i)),
Node::Crate(i) => Some(OwnerNode::Crate(i)),
Node::AssocOpaqueTy(i) => Some(OwnerNode::AssocOpaqueTy(i)),
_ => None,
}
}