Update ast schema.

src/parser/ast.schema.yaml

@@ -37,6 +37,9 @@ $defs:
       - $ref: "#/$defs/PolymorphicTypeDefinition"
       - $ref: "#/$defs/PolymorphicEnumLoopBuildDefinition"
       - $ref: "#/$defs/PolymorphicPassThroughDefinition"
+      - $ref: "#/$defs/PolymorphicTreeEnumDefinition"
+      - $ref: "#/$defs/PolymorphicLeafEnumDefinition"
+      - $ref: "#/$defs/PolymorphicEnumInnerBuildDefinition"
 
   # Struct
   StructNodeDefinition:
@@ -606,4 +609,89 @@ $defs:
           - kind
           - with
     required:
-      - node_production
+      - node_production
+
+  # Polymorphic Tree Enum
+  PolymorphicTreeEnumDefinition:
+    type: object
+    additionalProperties: false
+    properties:
+      polymorphic_tree_enum:
+        type: object
+        additionalProperties: false
+        properties:
+          kind:
+            type: string
+          rules:
+            type: array
+            items:
+              type: string
+        required:
+          - kind
+          - rules
+    required:
+      - polymorphic_tree_enum
+
+  # Polymorphic Leaf Enum
+  PolymorphicLeafEnumDefinition:
+    type: object
+    additionalProperties: false
+    properties:
+      polymorphic_leaf_enum:
+        type: object
+        additionalProperties: false
+        properties:
+          kind:
+            type: string
+          rules:
+            type: array
+            items:
+              type: string
+        required:
+          - kind
+          - rules
+    required:
+      - polymorphic_leaf_enum
+
+  # Polymorphic Enum Inner Build
+  PolymorphicEnumInnerBuildDefinition:
+    type: object
+    additionalProperties: false
+    properties:
+      polymorphic_enum_inner_build:
+        type: object
+        additionalProperties: false
+        properties:
+          members:
+            type: array
+            items:
+              $ref: "#/$defs/PolymorphicEnumInnerBuildMember"
+          rules:
+            type: array
+            items:
+              type: string
+        required:
+          - members
+          - rules
+    required:
+      - polymorphic_enum_inner_build
+
+  PolymorphicEnumInnerBuildMember:
+    type: object
+    oneOf:
+      - type: string
+      - $ref: "#/$defs/PolymorphicEnumInnerBuildAdvancedMember"
+
+  PolymorphicEnumInnerBuildAdvancedMember:
+    type: object
+    patternProperties:
+      "^([A-Z][a-z]*)*$":
+        type: object
+        additionalProperties: false
+        properties:
+          kind:
+            type: string
+        required:
+          - kind
+    minProperties: 1
+    maxProperties: 1