rewrite #[naked] parser

1 files changed, 18 insertions, 1 deletions

diff --git a/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs
index ba4e2935004..cf31dd0ace7 100644
--- a/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs
+++ b/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs
@@ -51,12 +51,29 @@ impl<S: Stage> SingleAttributeParser<S> for ColdParser {
         if !args.no_args() {
             cx.expected_no_args(args.span().unwrap_or(cx.attr_span));
             return None;
-        };
+        }
 
         Some(AttributeKind::Cold(cx.attr_span))
     }
 }
 
+pub(crate) struct NakedParser;
+
+impl<S: Stage> SingleAttributeParser<S> for NakedParser {
+    const PATH: &[rustc_span::Symbol] = &[sym::naked];
+    const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepLast;
+    const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Warn;
+    const TEMPLATE: AttributeTemplate = template!(Word);
+
+    fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> {
+        if !args.no_args() {
+            cx.expected_no_args(args.span().unwrap_or(cx.attr_span));
+            return None;
+        }
+        Some(AttributeKind::Naked(cx.attr_span))
+    }
+}
+
 pub(crate) struct NoMangleParser;
 
 impl<S: Stage> SingleAttributeParser<S> for NoMangleParser {