diff options
Diffstat (limited to 'compiler/rustc_ast/src/visit.rs')
| -rw-r--r-- | compiler/rustc_ast/src/visit.rs | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index 714b074f930..1cb32b56875 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -179,6 +179,9 @@ pub trait Visitor<'ast>: Sized { fn visit_ty(&mut self, t: &'ast Ty) -> Self::Result { walk_ty(self, t) } + fn visit_ty_pat(&mut self, t: &'ast TyPat) -> Self::Result { + walk_ty_pat(self, t) + } fn visit_generic_param(&mut self, param: &'ast GenericParam) -> Self::Result { walk_generic_param(self, param) } @@ -534,7 +537,7 @@ pub fn walk_ty<'a, V: Visitor<'a>>(visitor: &mut V, typ: &'a Ty) -> V::Result { } TyKind::Pat(ty, pat) => { try_visit!(visitor.visit_ty(ty)); - try_visit!(visitor.visit_pat(pat)); + try_visit!(visitor.visit_ty_pat(pat)); } TyKind::Array(ty, length) => { try_visit!(visitor.visit_ty(ty)); @@ -555,6 +558,18 @@ pub fn walk_ty<'a, V: Visitor<'a>>(visitor: &mut V, typ: &'a Ty) -> V::Result { V::Result::output() } +pub fn walk_ty_pat<'a, V: Visitor<'a>>(visitor: &mut V, tp: &'a TyPat) -> V::Result { + let TyPat { id: _, kind, span: _, tokens: _ } = tp; + match kind { + TyPatKind::Range(start, end, _include_end) => { + visit_opt!(visitor, visit_anon_const, start); + visit_opt!(visitor, visit_anon_const, end); + } + TyPatKind::Err(_) => {} + } + V::Result::output() +} + fn walk_qself<'a, V: Visitor<'a>>(visitor: &mut V, qself: &'a Option<P<QSelf>>) -> V::Result { if let Some(qself) = qself { let QSelf { ty, path_span: _, position: _ } = &**qself; @@ -582,7 +597,7 @@ pub fn walk_use_tree<'a, V: Visitor<'a>>( visit_opt!(visitor, visit_ident, rename); } UseTreeKind::Glob => {} - UseTreeKind::Nested { ref items, span: _ } => { + UseTreeKind::Nested { items, span: _ } => { for &(ref nested_tree, nested_id) in items { try_visit!(visitor.visit_use_tree(nested_tree, nested_id, true)); } |