Rust: make Adt be generated

rust/schema/annotations.py

@@ -16,7 +16,8 @@ class LoopingExpr(LabelableExpr):
     loop_body: optional["BlockExpr"] | child
 
 
-class Adt(Item):
+@annotate(Adt, replace_bases={AstNode: Item})
+class _:
     """
     An ADT (Abstract Data Type) definition, such as `Struct`, `Enum`, or `Union`.
     """
@@ -1039,7 +1040,7 @@ class _:
     """
 
 
-@annotate(Enum, replace_bases={Item: Adt})
+@annotate(Enum)
 class _:
     """
     An enum declaration.
@@ -1834,7 +1835,7 @@ class _:
     """
 
 
-@annotate(Struct, replace_bases={Item: Adt})
+@annotate(Struct)
 class _:
     """
     A Struct. For example:
@@ -2013,7 +2014,7 @@ class _:
     """
 
 
-@annotate(Union, replace_bases={Item: Adt})
+@annotate(Union)
 class _:
     """
     A union declaration.

rust/schema/ast.py

@@ -2,6 +2,9 @@
 
 from .prelude import *
 
+class Adt(AstNode, ):
+    pass
+
 class AsmOperand(AstNode, ):
     pass
 
@@ -207,7 +210,7 @@ class ContinueExpr(Expr, ):
 class DynTraitTypeRepr(TypeRepr, ):
     type_bound_list: optional["TypeBoundList"] | child
 
-class Enum(Item, ):
+class Enum(Adt, Item, ):
     attrs: list["Attr"] | child
     generic_param_list: optional["GenericParamList"] | child
     name: optional["Name"] | child
@@ -625,7 +628,7 @@ class StmtList(AstNode, ):
     statements: list["Stmt"] | child
     tail_expr: optional["Expr"] | child
 
-class Struct(Item, VariantDef, ):
+class Struct(Adt, Item, VariantDef, ):
     attrs: list["Attr"] | child
     field_list: optional["FieldList"] | child
     generic_param_list: optional["GenericParamList"] | child
@@ -713,7 +716,7 @@ class TypeParam(GenericParam, ):
 class UnderscoreExpr(Expr, ):
     attrs: list["Attr"] | child
 
-class Union(Item, VariantDef, ):
+class Union(Adt, Item, VariantDef, ):
     attrs: list["Attr"] | child
     generic_param_list: optional["GenericParamList"] | child
     name: optional["Name"] | child