Rob Mayoff
30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
# To use `opencombine_lldb.py`, figure out its full path.
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# Let's say the full path is `~/projects/OpenCombine/opencombine_lldb.py`.
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# Then add the following statement to your `~/.lldbinit` file:
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#
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# command script import ~/projects/OpenCombine/opencombine_lldb.py
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import lldb
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# Show a Demand as either `max(N)` or `unlimited`.
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def summary_Demand(sb_value, internal_dict):
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child = sb_value.GetChildAtIndex(0)
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if not child.IsValid():
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return 'failed to get child of Demand'
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number = child.GetValueAsUnsigned()
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# .unlimited is represented by a rawValue of UInt(Int.max) + 1.
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# Int.max is either 2**31 - 1 or 2**63 - 1 depending on the
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# target platform. So .unlimited is either 2**31 or 2**63.
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# 31 = 4 * 8 - 1
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# 63 = 8 * 8 - 1
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unlimited = 2**(child.GetByteSize() * 8 - 1)
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if number == unlimited:
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return 'unlimited'
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else:
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return 'max(%d)' % number
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def __lldb_init_module(debugger, internal_dict):
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debugger.HandleCommand('type summary add -w swift OpenCombine.Subscribers.Demand -F "' + __name__ + '.summary_Demand"')
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