19 lines
412 B
Python
19 lines
412 B
Python
def mark(w_context):
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w_context.mark = True
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if not hasattr(w_context, "slots"): # skip primitive objects
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return
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for name, obj in w_context.slots.items():
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if name != "__parent__": # only descent
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mark(obj)
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def sweep(objects):
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objects[:] = filter(lambda obj: obj.mark, objects) # inplace
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def clear_marks(objects):
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for obj in objects:
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obj.mark = False
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