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Rollup merge of #132107 - maxcabrajac:remove_expr_post, r=petrochenkov

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Remove visit_expr_post from ast Visitor

`visit_expr_post` is only present in the immutable version of ast Visitors and its default implementation is a noop.
Given that its only implementer is on `rustc_lint/src/early.rs` and its name follows the same naming convention as some other lints (`_post`), it seems that `visit_expr_post` being in `Visitor` was a little mistake.

r? `@petrochenkov`

related to #128974
This commit is contained in:
Matthias Krüger 2024-10-24 19:39:15 +02:00 committed by GitHub
commit a8cea36240
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2 changed files with 13 additions and 19 deletions
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5
compiler/rustc_ast/src/visit.rs
View File

@ -173,9 +173,6 @@ pub trait Visitor<'ast>: Sized {
fn visit_method_receiver_expr(&mut self, ex: &'ast Expr) -> Self::Result {
self.visit_expr(ex)
}
fn visit_expr_post(&mut self, _ex: &'ast Expr) -> Self::Result {
Self::Result::output()
}
fn visit_ty(&mut self, t: &'ast Ty) -> Self::Result {
walk_ty(self, t)
}
@ -1185,7 +1182,7 @@ pub fn walk_expr<'a, V: Visitor<'a>>(visitor: &mut V, expression: &'a Expr) -> V
ExprKind::Dummy => {}
}
visitor.visit_expr_post(expression)
V::Result::output()
}
pub fn walk_param<'a, V: Visitor<'a>>(visitor: &mut V, param: &'a Param) -> V::Result {

27
compiler/rustc_lint/src/early.rs
View File

@ -121,6 +121,18 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
self.with_lint_attrs(e.id, &e.attrs, |cx| {
lint_callback!(cx, check_expr, e);
ast_visit::walk_expr(cx, e);
// Explicitly check for lints associated with 'closure_id', since
// it does not have a corresponding AST node
match e.kind {
ast::ExprKind::Closure(box ast::Closure {
coroutine_kind: Some(coroutine_kind),
..
}) => {
cx.check_id(coroutine_kind.closure_id());
}
_ => {}
}
lint_callback!(cx, check_expr_post, e);
})
}
@ -214,21 +226,6 @@ impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T>
})
}
fn visit_expr_post(&mut self, e: &'a ast::Expr) {
// Explicitly check for lints associated with 'closure_id', since
// it does not have a corresponding AST node
match e.kind {
ast::ExprKind::Closure(box ast::Closure {
coroutine_kind: Some(coroutine_kind),
..
}) => {
self.check_id(coroutine_kind.closure_id());
}
_ => {}
}
lint_callback!(self, check_expr_post, e);
}
fn visit_generic_arg(&mut self, arg: &'a ast::GenericArg) {
lint_callback!(self, check_generic_arg, arg);
ast_visit::walk_generic_arg(self, arg);