Implemented Exception Throwing

src/classfile.rs

@@ -375,6 +375,15 @@ impl JavaClassFile {
 
         return Ok((class_name, method_name, method_descriptor));
     }
+
+    pub fn gather_methodref_compatible(&self, methodref_index: u16) -> Result<(&String, &String, &String), Error> {
+        return match self.pool_entry(methodref_index) {
+            Ok(ConstantPoolInfo::MethodRef(_)) => self.gather_methodref(methodref_index),
+            Ok(ConstantPoolInfo::InterfaceMethodRef(_)) => self.gather_interfacemethodref(methodref_index),
+            Err(i) => Err(i),
+            _ => unreachable!()
+        }
+    }
     
     pub fn sourcefile(&self) -> Result<Option<&String>, Error> {
         match (&self.attributes).into_iter()