don't suggest turning crate-level attributes into outer style

2024-08-02 00:28:57 +08:00 · 2024-08-02 00:28:57 +08:00 · 22aa104bce
commit 22aa104bce
parent 70591dc15d
13 changed files with 70 additions and 53 deletions
--- a/compiler/rustc_ast/src/ast.rs
+++ b/compiler/rustc_ast/src/ast.rs
@ -2898,6 +2898,17 @@ pub struct AttrItem {
    pub tokens: Option<LazyAttrTokenStream>,
 }

+impl AttrItem {
+    pub fn is_valid_for_outer_style(&self) -> bool {
+        self.path == sym::cfg_attr
+            || self.path == sym::cfg
+            || self.path == sym::forbid
+            || self.path == sym::warn
+            || self.path == sym::allow
+            || self.path == sym::deny
+    }
+}
+
 /// `TraitRef`s appear in impls.
 ///
 /// Resolution maps each `TraitRef`'s `ref_id` to its defining trait; that's all