rome · ematipico · Dec 2, 2022 · Nov 30, 2022 · Nov 30, 2022 · Dec 1, 2022
diff --git a/crates/rome_aria/src/lib.rs b/crates/rome_aria/src/lib.rs
@@ -4,11 +4,13 @@ use std::str::FromStr;
 mod generated;
 
 pub mod constants;
+mod macros;
 pub mod properties;
 pub mod roles;
 
 use crate::generated::{AriaPropertiesEnum, AriaPropertyTypeEnum};
 pub use properties::AriaProperties;
+pub(crate) use roles::AriaRoleDefinition;
 pub use roles::AriaRoles;
 
 /// It checks if an ARIA property is valid

diff --git a/crates/rome_aria/src/macros.rs b/crates/rome_aria/src/macros.rs
@@ -0,0 +1,26 @@
+#[macro_export]
+macro_rules! define_role {
+    ( $( #[doc = $doc:literal] )+ $id:ident {
+        PROPS: $p_value:expr,
+        ROLES: $r_value:expr,
+    }) => {
+        $( #[doc = $doc] )*
+        #[derive(Debug)]
+        struct $id;
+
+        impl $id {
+            const PROPS: &[(&'static str, bool)] = &$p_value;
+            const ROLES: &[&'static str] = &$r_value;
+        }
+
+        impl $crate::AriaRoleDefinition for $id {
+            fn properties<'a>(&self) -> std::slice::Iter<'a, (&str, bool)> {
+                $id::PROPS.iter()
+            }
+
+            fn roles<'a>(&self) -> std::slice::Iter<'a, &str> {
+                $id::ROLES.iter()
+            }
+        }
+    };
+}