1 files changed, 60 insertions, 0 deletions
diff --git a/third_party/rust/weedle2/src/mixin.rs b/third_party/rust/weedle2/src/mixin.rs
new file mode 100644
index 0000000000..dcb40d50c5
--- /dev/null
+++ b/third_party/rust/weedle2/src/mixin.rs
@@ -0,0 +1,60 @@
+use crate::argument::ArgumentList;
+use crate::attribute::ExtendedAttributeList;
+use crate::common::{Identifier, Parenthesized};
+use crate::interface::{ConstMember, StringifierMember};
+use crate::types::{AttributedType, ReturnType};
+
+/// Parses the members declarations of a mixin
+pub type MixinMembers<'a> = Vec<MixinMember<'a>>;
+
+ast_types! {
+    /// Parses one of the variants of a mixin member
+    enum MixinMember<'a> {
+        Const(ConstMember<'a>),
+        /// Parses `[attributes]? stringifier? returntype identifier? (( args ));`
+        ///
+        /// (( )) means ( ) chars
+        Operation(struct OperationMixinMember<'a> {
+            attributes: Option<ExtendedAttributeList<'a>>,
+            stringifier: Option<term!(stringifier)>,
+            return_type: ReturnType<'a>,
+            identifier: Option<Identifier<'a>>,
+            args: Parenthesized<ArgumentList<'a>>,
+            semi_colon: term!(;),
+        }),
+        /// Parses `[attributes]? stringifier? readonly? attribute attributedtype identifier;`
+        Attribute(struct AttributeMixinMember<'a> {
+            attributes: Option<ExtendedAttributeList<'a>>,
+            stringifier: Option<term!(stringifier)>,
+            readonly: Option<term!(readonly)>,
+            attribute: term!(attribute),
+            type_: AttributedType<'a>,
+            identifier: Identifier<'a>,
+            semi_colon: term!(;),
+        }),
+        Stringifier(StringifierMember<'a>),
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use crate::Parse;
+
+    test!(should_parse_attribute_mixin_member { "stringifier readonly attribute short name;" =>
+        "";
+        AttributeMixinMember;
+        attributes.is_none();
+        stringifier.is_some();
+        readonly.is_some();
+        identifier.0 == "name";
+    });
+
+    test!(should_parse_operation_mixin_member { "short fnName(long a);" =>
+        "";
+        OperationMixinMember;
+        attributes.is_none();
+        stringifier.is_none();
+        identifier.is_some();
+    });
+}