diff options
Diffstat (limited to 'compiler/rustc_ast/src/ast.rs')
| -rw-r--r-- | compiler/rustc_ast/src/ast.rs | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index fb6b36e1a09..11fc409cf43 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -2641,6 +2641,8 @@ pub enum SelfKind { Value(Mutability), /// `&'lt self`, `&'lt mut self` Region(Option<Lifetime>, Mutability), + /// `&'lt pin const self`, `&'lt pin mut self` + Pinned(Option<Lifetime>, Mutability), /// `self: TYPE`, `mut self: TYPE` Explicit(P<Ty>, Mutability), } @@ -2650,6 +2652,8 @@ impl SelfKind { match self { SelfKind::Region(None, mutbl) => mutbl.ref_prefix_str().to_string(), SelfKind::Region(Some(lt), mutbl) => format!("&{lt} {}", mutbl.prefix_str()), + SelfKind::Pinned(None, mutbl) => format!("&pin {}", mutbl.ptr_str()), + SelfKind::Pinned(Some(lt), mutbl) => format!("&{lt} pin {}", mutbl.ptr_str()), SelfKind::Value(_) | SelfKind::Explicit(_, _) => { unreachable!("if we had an explicit self, we wouldn't be here") } @@ -2666,11 +2670,13 @@ impl Param { if ident.name == kw::SelfLower { return match self.ty.kind { TyKind::ImplicitSelf => Some(respan(self.pat.span, SelfKind::Value(mutbl))), - TyKind::Ref(lt, MutTy { ref ty, mutbl }) - | TyKind::PinnedRef(lt, MutTy { ref ty, mutbl }) + TyKind::Ref(lt, MutTy { ref ty, mutbl }) if ty.kind.is_implicit_self() => { + Some(respan(self.pat.span, SelfKind::Region(lt, mutbl))) + } + TyKind::PinnedRef(lt, MutTy { ref ty, mutbl }) if ty.kind.is_implicit_self() => { - Some(respan(self.pat.span, SelfKind::Region(lt, mutbl))) + Some(respan(self.pat.span, SelfKind::Pinned(lt, mutbl))) } _ => Some(respan( self.pat.span.to(self.ty.span), @@ -2712,6 +2718,15 @@ impl Param { tokens: None, }), ), + SelfKind::Pinned(lt, mutbl) => ( + mutbl, + P(Ty { + id: DUMMY_NODE_ID, + kind: TyKind::PinnedRef(lt, MutTy { ty: infer_ty, mutbl }), + span, + tokens: None, + }), + ), }; Param { attrs, |