migrate enums to new id

2019-01-24 18:56:38 +03:00
parent cefc5cbb4a
commit 566c8e321e
9 changed files with 190 additions and 142 deletions
--- a/crates/ra_syntax/src/ast.rs
+++ b/crates/ra_syntax/src/ast.rs
@@ -430,6 +430,13 @@ impl StructDef {
 }

 impl EnumVariant {
+    pub fn parent_enum(&self) -> &EnumDef {
+        self.syntax()
+            .parent()
+            .and_then(|it| it.parent())
+            .and_then(EnumDef::cast)
+            .expect("EnumVariants are always nested in Enums")
+    }
    pub fn flavor(&self) -> StructFlavor {
        StructFlavor::from_node(self)
    }