make reg public and add visit, fold

This commit is contained in:
ouz-a 2023-09-21 12:18:10 +03:00
parent 5dc2214884
commit d83559939c
3 changed files with 22 additions and 3 deletions

View File

@ -4,7 +4,7 @@ use crate::Opaque;
use super::ty::{
Allocation, Binder, Const, ConstDef, ConstantKind, ExistentialPredicate, FnSig, GenericArgKind,
GenericArgs, Promoted, RigidTy, TermKind, Ty, TyKind, UnevaluatedConst,
GenericArgs, Promoted, Region, RigidTy, TermKind, Ty, TyKind, UnevaluatedConst,
};
pub trait Folder: Sized {
@ -106,6 +106,12 @@ impl Foldable for GenericArgs {
}
}
impl Foldable for Region {
fn super_fold<V: Folder>(&self, _folder: &mut V) -> ControlFlow<V::Break, Self> {
ControlFlow::Continue(self.clone())
}
}
impl Foldable for GenericArgKind {
fn super_fold<V: Folder>(&self, folder: &mut V) -> ControlFlow<V::Break, Self> {
let mut this = self.clone();

View File

@ -34,10 +34,13 @@ pub struct Const {
}
type Ident = Opaque;
pub(crate) struct Region {
#[derive(Debug, Clone)]
pub struct Region {
pub kind: RegionKind,
}
#[derive(Debug, Clone)]
pub enum RegionKind {
ReEarlyBound(EarlyBoundRegion),
ReLateBound(DebruijnIndex, BoundRegion),
@ -51,6 +54,7 @@ pub enum RegionKind {
pub(crate) type DebruijnIndex = u32;
#[derive(Debug, Clone)]
pub struct EarlyBoundRegion {
pub def_id: RegionDef,
pub index: u32,
@ -59,11 +63,13 @@ pub struct EarlyBoundRegion {
pub(crate) type BoundVar = u32;
#[derive(Debug, Clone)]
pub struct BoundRegion {
pub var: BoundVar,
pub kind: BoundRegionKind,
}
#[derive(Debug, Clone)]
pub struct FreeRegion {
pub scope: RegionDef,
pub bound_region: BoundRegionKind,
@ -73,6 +79,7 @@ pub(crate) type RegionVid = u32;
pub(crate) type UniverseIndex = u32;
#[derive(Debug, Clone)]
pub struct Placeholder<T> {
pub universe: UniverseIndex,
pub bound: T,

View File

@ -4,7 +4,7 @@ use crate::Opaque;
use super::ty::{
Allocation, Binder, Const, ConstDef, ExistentialPredicate, FnSig, GenericArgKind, GenericArgs,
Promoted, RigidTy, TermKind, Ty, UnevaluatedConst,
Promoted, Region, RigidTy, TermKind, Ty, UnevaluatedConst,
};
pub trait Visitor: Sized {
@ -101,6 +101,12 @@ impl Visitable for GenericArgs {
}
}
impl Visitable for Region {
fn super_visit<V: Visitor>(&self, _visitor: &mut V) -> ControlFlow<V::Break> {
ControlFlow::Continue(())
}
}
impl Visitable for GenericArgKind {
fn super_visit<V: Visitor>(&self, visitor: &mut V) -> ControlFlow<V::Break> {
match self {