implem __str__ and __repr__ for call site

androscalpel/src/instructions.rs

@@ -1238,11 +1238,35 @@ impl CallSite {
     }
 
     pub fn __str__(&self) -> String {
-        todo!()
+        let args = self
+            .args
+            .iter()
+            .map(|arg| arg.__str__())
+            .collect::<Vec<_>>()
+            .join(", ");
+        format!(
+            "call({} {} {} ({})",
+            self.method_handle.__str__(),
+            self.type_.__str__(),
+            self.name.__str__(),
+            args
+        )
     }
 
     pub fn __repr__(&self) -> String {
-        todo!()
+        let args = self
+            .args
+            .iter()
+            .map(|arg| arg.__str__())
+            .collect::<Vec<_>>()
+            .join(", ");
+        format!(
+            "CallSite({}, {}, {}, [{}]",
+            self.method_handle.__repr__(),
+            self.type_.__repr__(),
+            self.name.__repr__(),
+            args
+        )
     }
 }