Interpreter - Store static methods inside classes

src/interpreter/classes.rs

@@ -19,6 +19,7 @@ pub trait PropertyCarrier {
 pub struct Class {
     name: String,
     methods: HashMap<String, Function>,
+    static_methods: HashMap<String, Function>,
     fields: RefCell<HashMap<String, Value>>,
 }
 
@@ -47,10 +48,15 @@ fn bind_method(method: &Function, this_value: Value) -> Function {
 
 impl Class {
     /// Create a new class, specifying its name.
-    pub fn new(name: String, methods: HashMap<String, Function>) -> Self {
+    pub fn new(
+        name: String,
+        methods: HashMap<String, Function>,
+        static_methods: HashMap<String, Function>,
+    ) -> Self {
         Self {
             name,
             methods,
+            static_methods,
             fields: RefCell::new(HashMap::default()),
         }
     }

src/interpreter/interpretable.rs

@@ -232,7 +232,11 @@ impl StmtNode {
             ClassMemberDecl::Method(method) => Some(method),
             _ => None,
         });
-        let class = Class::new(decl.name.lexeme.clone(), methods);
+        let static_methods = self.extract_methods(es, decl, |member| match member {
+            ClassMemberDecl::StaticMethod(method) => Some(method),
+            _ => None,
+        });
+        let class = Class::new(decl.name.lexeme.clone(), methods, static_methods);
         es.environment
             .borrow_mut()
             .assign(&decl.name, class.into())?;