Merge pull request #107 from cmjava2023/feat_parse_super_class

feat(btyecode_parser): now also parse super class

src/class.rs

@@ -365,7 +365,7 @@ pub struct BytecodeClass {
     pub instance_fields: Vec<FieldDescriptor>,
     // TODO flags
     pub class_identifier: ClassIdentifier,
-    pub super_class: Option<Rc<dyn Class>>,
+    pub super_class: Rc<dyn Class>,
     // TODO how are interfaces represented?
     pub interfaces: Vec<Rc<dyn std::any::Any>>,
     // TODO attributes

src/class/bytecode_classes.rs

@@ -23,7 +23,7 @@ impl Class for BytecodeClass {
     }
 
     fn super_class(&self) -> Option<Rc<dyn Class>> {
-        self.super_class.clone()
+        Some(self.super_class.clone())
     }
 
     fn interfaces(&self) -> &[Rc<dyn std::any::Any>] {

src/classloader/class_creator.rs

@@ -210,14 +210,19 @@ pub fn create_bytecode_class(
         &runtime_cp[remove_cp_offset(class_file.this_class as usize)];
     let class_identifier = parse_class_identifier(class.as_class().unwrap());
 
-    let super_class = None;
+    let super_class_name: &RuntimeCPEntry =
+        &runtime_cp[remove_cp_offset(class_file.super_class as usize)];
+    let super_class_identifier =
+        parse_class_identifier(super_class_name.as_class().unwrap());
+    let super_class = heap.find_class(&super_class_identifier).unwrap();
+    // let super_class = None;
     let interfaces = Vec::new();
     BytecodeClass {
         methods,
         static_fields,
         instance_fields,
         class_identifier,
-        super_class,
+        super_class: super_class.clone(),
         interfaces,
     }
 }