Add Visitor::visit_qself

Author: maxcabrajac

compiler/rustc_ast/src/visit.rs

@@ -302,6 +302,9 @@ pub trait Visitor<'ast>: Sized {
     fn visit_fn_decl(&mut self, fn_decl: &'ast FnDecl) -> Self::Result {
         walk_fn_decl(self, fn_decl)
     }
+    fn visit_qself(&mut self, qs: &'ast Option<P<QSelf>>) -> Self::Result {
+        walk_qself(self, qs)
+    }
 }
 
 pub fn walk_crate<'a, V: Visitor<'a>>(visitor: &mut V, krate: &'a Crate) -> V::Result {
@@ -437,13 +440,13 @@ impl WalkItemKind for ItemKind {
                 body,
                 from_glob: _,
             }) => {
-                try_visit!(walk_qself(visitor, qself));
+                try_visit!(visitor.visit_qself(qself));
                 try_visit!(visitor.visit_path(path, *id));
                 visit_opt!(visitor, visit_ident, rename);
                 visit_opt!(visitor, visit_block, body);
             }
             ItemKind::DelegationMac(box DelegationMac { qself, prefix, suffixes, body }) => {
-                try_visit!(walk_qself(visitor, qself));
+                try_visit!(visitor.visit_qself(qself));
                 try_visit!(visitor.visit_path(prefix, id));
                 if let Some(suffixes) = suffixes {
                     for (ident, rename) in suffixes {
@@ -524,7 +527,7 @@ pub fn walk_ty<'a, V: Visitor<'a>>(visitor: &mut V, typ: &'a Ty) -> V::Result {
             try_visit!(visitor.visit_fn_decl(decl));
         }
         TyKind::Path(maybe_qself, path) => {
-            try_visit!(walk_qself(visitor, maybe_qself));
+            try_visit!(visitor.visit_qself(maybe_qself));
             try_visit!(visitor.visit_path(path, *id));
         }
         TyKind::Pat(ty, pat) => {
@@ -655,16 +658,16 @@ pub fn walk_pat<'a, V: Visitor<'a>>(visitor: &mut V, pattern: &'a Pat) -> V::Res
     let Pat { id, kind, span: _, tokens: _ } = pattern;
     match kind {
         PatKind::TupleStruct(opt_qself, path, elems) => {
-            try_visit!(walk_qself(visitor, opt_qself));
+            try_visit!(visitor.visit_qself(opt_qself));
             try_visit!(visitor.visit_path(path, *id));
             walk_list!(visitor, visit_pat, elems);
         }
         PatKind::Path(opt_qself, path) => {
-            try_visit!(walk_qself(visitor, opt_qself));
+            try_visit!(visitor.visit_qself(opt_qself));
             try_visit!(visitor.visit_path(path, *id))
         }
         PatKind::Struct(opt_qself, path, fields, _rest) => {
-            try_visit!(walk_qself(visitor, opt_qself));
+            try_visit!(visitor.visit_qself(opt_qself));
             try_visit!(visitor.visit_path(path, *id));
             walk_list!(visitor, visit_pat_field, fields);
         }
@@ -905,13 +908,13 @@ impl WalkItemKind for AssocItemKind {
                 body,
                 from_glob: _,
             }) => {
-                try_visit!(walk_qself(visitor, qself));
+                try_visit!(visitor.visit_qself(qself));
                 try_visit!(visitor.visit_path(path, *id));
                 visit_opt!(visitor, visit_ident, rename);
                 visit_opt!(visitor, visit_block, body);
             }
             AssocItemKind::DelegationMac(box DelegationMac { qself, prefix, suffixes, body }) => {
-                try_visit!(walk_qself(visitor, qself));
+                try_visit!(visitor.visit_qself(qself));
                 try_visit!(visitor.visit_path(prefix, id));
                 if let Some(suffixes) = suffixes {
                     for (ident, rename) in suffixes {
@@ -1026,7 +1029,7 @@ pub fn walk_inline_asm_sym<'a, V: Visitor<'a>>(
     visitor: &mut V,
     InlineAsmSym { id, qself, path }: &'a InlineAsmSym,
 ) -> V::Result {
-    try_visit!(walk_qself(visitor, qself));
+    try_visit!(visitor.visit_qself(qself));
     visitor.visit_path(path, *id)
 }
 
@@ -1058,7 +1061,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V
         }
         ExprKind::Struct(se) => {
             let StructExpr { qself, path, fields, rest } = &**se;
-            try_visit!(walk_qself(visitor, qself));
+            try_visit!(visitor.visit_qself(qself));
             try_visit!(visitor.visit_path(path, *id));
             walk_list!(visitor, visit_expr_field, fields);
             match rest {
@@ -1167,7 +1170,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V
         }
         ExprKind::Underscore => {}
         ExprKind::Path(maybe_qself, path) => {
-            try_visit!(walk_qself(visitor, maybe_qself));
+            try_visit!(visitor.visit_qself(maybe_qself));
             try_visit!(visitor.visit_path(path, *id));
         }
         ExprKind::Break(opt_label, opt_expr) => {