debug: use gdb.ValuePrinter base class

1 files changed, 14 insertions, 3 deletions

diff --git a/kapi/gdb/device.py b/kapi/gdb/device.py
index b655972..8e515ef 100644
--- a/kapi/gdb/device.py
+++ b/kapi/gdb/device.py
@@ -1,9 +1,20 @@
 import gdb
-from teachos import TeachOSBasePrinter
 
 
-class KapiDevicesDevicePrinter(TeachOSBasePrinter):
+class KapiDevicesDevicePrinter(gdb.ValuePrinter):
+    def __init__(self, val):
+        self.__val = val
+
     def to_string(self):
         return (
-            f"{self.value['m_name']} @ {self.value['m_major']}:{self.value['m_minor']}"
+            f"{self.__val['m_name']} @ {self.__val['m_major']}:{self.__val['m_minor']}"
         )
+
+    def children(self):
+        yield ("major", self.__val["m_major"])
+        yield ("minor", self.__val["m_minor"])
+        yield ("name", self.__val["m_name"])
+        yield ("parent", self.__val["m_parent"])
+
+    def display_hint(self):
+        return None