2 files changed, 38 insertions, 0 deletions

diff --git a/crates/ra_syntax/src/ast/generated.rs b/crates/ra_syntax/src/ast/generated.rs
index de506d7cd..1a03ae56c 100644
--- a/crates/ra_syntax/src/ast/generated.rs
+++ b/crates/ra_syntax/src/ast/generated.rs
@@ -3789,6 +3789,34 @@ impl AstNode for TypeRef {
 }
 impl TypeRef {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct UnionDef {
+    pub(crate) syntax: SyntaxNode,
+}
+impl AstNode for UnionDef {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            UNION_DEF => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        if Self::can_cast(syntax.kind()) {
+            Some(Self { syntax })
+        } else {
+            None
+        }
+    }
+    fn syntax(&self) -> &SyntaxNode {
+        &self.syntax
+    }
+}
+impl ast::VisibilityOwner for UnionDef {}
+impl ast::NameOwner for UnionDef {}
+impl ast::TypeParamsOwner for UnionDef {}
+impl ast::AttrsOwner for UnionDef {}
+impl ast::DocCommentsOwner for UnionDef {}
+impl UnionDef {}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct UseItem {
     pub(crate) syntax: SyntaxNode,
 }
diff --git a/crates/ra_syntax/src/grammar.ron b/crates/ra_syntax/src/grammar.ron
index 88d1dc109..c16bed891 100644
--- a/crates/ra_syntax/src/grammar.ron
+++ b/crates/ra_syntax/src/grammar.ron
@@ -126,6 +126,7 @@ Grammar(
         "SOURCE_FILE",
 
         "STRUCT_DEF",
+        "UNION_DEF",
         "ENUM_DEF",
         "FN_DEF",
         "RET_TYPE",
@@ -285,6 +286,15 @@ Grammar(
                 "DocCommentsOwner"
             ]
         ),
+        "UnionDef": (
+            traits: [
+                "VisibilityOwner",
+                "NameOwner",
+                "TypeParamsOwner",
+                "AttrsOwner",
+                "DocCommentsOwner"
+            ]
+        ),
         "RecordFieldDefList": (collections: [("fields", "RecordFieldDef")]),
         "RecordFieldDef": (
             traits: [