Fixed vptr condition on static methods

crates/parser/src/ast/top_level.rs

@@ -125,3 +125,18 @@ pub struct FieldDeclStmt {
     pub decl: FieldDecl,
     pub init: Option<Expression>,
 }
+
+impl FunctionDecl {
+    pub fn is_using_self(&self) -> bool {
+        match self.params.0.get(0) {
+            Some(VarDecl { name, .. }) => {
+                if let Pattern::Path(_, v) = name {
+                    v.0.len() == 1 && v.0[0].0 == "self"
+                } else {
+                    false
+                }
+            }
+            _ => false,
+        }
+    }
+}