fix: fix parameters post_data_dependents

Author: SunBK201

scubatrace/identifier.py

@@ -372,9 +372,17 @@ def is_stop(stat: Statement) -> bool:
                     return True
             return False
 
+        from .function import Function
+
         dependents = []
-        for post in self.statement.walk_forward(
-            filter=is_data_dependents, stop_by=is_stop
+        start_stat = self.statement
+        if isinstance(self.statement, Function):
+            if len(self.statement.statements) != 0:
+                start_stat = self.statement.statements[0]
+            else:
+                return []
+        for post in start_stat.walk_forward(
+            filter=is_data_dependents, stop_by=is_stop, base="control"
         ):
             if post.signature == self.signature:
                 continue

tests/test_identifer.py

@@ -49,3 +49,10 @@ def test_identifier_is_argument(self):
         self.assertFalse(identifier.is_argument)
         identifier = self.file.identifier_by_position(47, 41) or self.fail()
         self.assertTrue(identifier.is_argument)
+
+    def test_identifier_param_post_data_dependents(self):
+        function = self.file.functions_by_name("main")[0]
+        param = function.parameters[0]
+        self.assertEqual(param.name, "argc")
+        self.assertEqual(len(param.post_data_dependents), 1)
+        self.assertEqual(param.post_data_dependents[0].start_line, 16)