[fine] Classes!

It's kinda amazing this works actually

fine/src/parser.rs

@@ -150,6 +150,7 @@ pub enum TreeKind {
     FieldList,
     NewObjectExpression,
     FieldValue,
+    MemberAccess,
 }
 
 pub struct Tree<'a> {
@@ -794,6 +795,16 @@ fn expression_with_power(p: &mut CParser, minimum_power: u8) {
         expression_with_power(p, power);
         expr = p.end(m, TreeKind::BinaryExpression);
     }
+
+    while p.at(TokenKind::Dot) {
+        let m = p.start_before(expr);
+        p.advance(); // Consume the dot
+        p.expect(
+            TokenKind::Identifier,
+            "expected an identifier for member access",
+        );
+        expr = p.end(m, TreeKind::MemberAccess);
+    }
 }
 
 fn argument_list(p: &mut CParser) {