bjoernager/rust
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Workaround unstable stmt_expr_attributes for method receiver expressions.

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This commit is contained in:
Camille GILLOT 2022-10-23 09:22:19 +00:00
parent 6c9c2d862d
commit 74d4eefc13
9 changed files with 121 additions and 19 deletions
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14
compiler/rustc_ast/src/mut_visit.rs
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@ -152,6 +152,12 @@ pub trait MutVisitor: Sized {
noop_visit_expr(e, self);
}
/// This method is a hack to workaround unstable of `stmt_expr_attributes`.
/// It can be removed once that feature is stabilized.
fn visit_method_receiver_expr(&mut self, ex: &mut P<Expr>) {
self.visit_expr(ex)
}
fn filter_map_expr(&mut self, e: P<Expr>) -> Option<P<Expr>> {
noop_filter_map_expr(e, self)
}
@ -1301,7 +1307,7 @@ pub fn noop_visit_expr<T: MutVisitor>(
vis.visit_ident(ident);
vis.visit_id(id);
visit_opt(args, |args| vis.visit_generic_args(args));
vis.visit_expr(receiver);
vis.visit_method_receiver_expr(receiver);
visit_exprs(exprs, vis);
vis.visit_span(span);
}
@ -1589,3 +1595,9 @@ impl DummyAstNode for Crate {
}
}
}
impl<N: DummyAstNode, T: DummyAstNode> DummyAstNode for crate::ast_traits::AstNodeWrapper<N, T> {
fn dummy() -> Self {
crate::ast_traits::AstNodeWrapper::new(N::dummy(), T::dummy())
}
}

5
compiler/rustc_ast/src/visit.rs
View file

@ -140,6 +140,11 @@ pub trait Visitor<'ast>: Sized {
fn visit_expr(&mut self, ex: &'ast Expr) {
walk_expr(self, ex)
}
/// This method is a hack to workaround unstable of `stmt_expr_attributes`.
/// It can be removed once that feature is stabilized.
fn visit_method_receiver_expr(&mut self, ex: &'ast Expr) {
self.visit_expr(ex)
}
fn visit_expr_post(&mut self, _ex: &'ast Expr) {}
fn visit_ty(&mut self, t: &'ast Ty) {
walk_ty(self, t)