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-rw-r--r--lldb/scripts/Python/modify-python-lldb.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/lldb/scripts/Python/modify-python-lldb.py b/lldb/scripts/Python/modify-python-lldb.py
index a6e86c2..3825090 100644
--- a/lldb/scripts/Python/modify-python-lldb.py
+++ b/lldb/scripts/Python/modify-python-lldb.py
@@ -112,6 +112,8 @@ linked_list_iter_def = '''
end-of-list test function which takes an SBValue for an item and returns
True if EOL is reached and False if not.
+ linked_list_iter() also detects infinite loop and bails out early.
+
The end_of_list_test arg, if omitted, defaults to the __eol_test__
function above.
@@ -130,8 +132,10 @@ linked_list_iter_def = '''
if end_of_list_test(self):
return
item = self
+ visited = set()
try:
- while not end_of_list_test(item):
+ while not end_of_list_test(item) and not item.GetValueAsUnsigned() in visited:
+ visited.add(item.GetValueAsUnsigned())
yield item
# Prepare for the next iteration.
item = item.GetChildMemberWithName(next_item_name)