stdlib/lang/bolt.bolt: Mock a macro that generates the Bolt AST

stdlib/lang/bolt.bolt

@@ -19,31 +19,35 @@ mod Bolt::Lang {
     end: Pos,
   }
 
-  pub struct Identifier {
+  define_nodes! {
+
+    Identifier : Symbol {
       text: String,
-    span: Option<Span>,
-    orig_node: Option<Node>,
-    parent: Option<Node>,
-  }
+    },
 
-  pub type Token
-    = Identifier
+    Statement,
 
-  pub struct ConditionalCase {
+    ReturnStatement : Statement {
+      expression: Option<Expression>,
+    },
+
+    ConditionalCase {
       test: Option<Expression>,
       result: Vec<FunctionBodyElement>,
-  }
+    },
 
-  pub struct ConditionalStatement {
+    ConditionalStatement : Statement {
       cases: Vec<ConditionalCase>,
+    },
+
+    Expression,
+
+    ReferenceExpression : Expression {
+      modulePath: Option<ModulePath>,
+      name: Symbol,
     }
 
-  pub type Statement
-    = ReturnStatement
-    | ConditionalStatement
-
-  pub type Expression
-    = ReferenceExpression
+  }
 
   pub type Transformer = fn (node: Node) -> Node;