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- import gdb.printing
- class OutcomeBasicOutcomePrinter(object):
- """Print an outcome::basic_outcome<T>"""
- def __init__(self, val):
- self.val = val
- def children(self):
- if self.val['_state']['_status']['status_value'] & 1 == 1:
- yield ('value', self.val['_state']['_value'])
- if self.val['_state']['_status']['status_value'] & 2 == 2:
- yield ('error', self.val['_state']['_error'])
- if self.val['_state']['_status']['status_value'] & 4 == 4:
- yield ('exception', self.val['_ptr'])
- def display_hint(self):
- return None
- def to_string(self):
- if self.val['_state']['_status']['status_value'] & 54 == 54:
- return 'errored (errno, moved from) + exceptioned'
- if self.val['_state']['_status']['status_value'] & 50 == 50:
- return 'errored (errno, moved from)'
- if self.val['_state']['_status']['status_value'] & 38 == 38:
- return 'errored + exceptioned (moved from)'
- if self.val['_state']['_status']['status_value'] & 36 == 36:
- return 'exceptioned (moved from)'
- if self.val['_state']['_status']['status_value'] & 35 == 35:
- return 'errored (moved from)'
- if self.val['_state']['_status']['status_value'] & 33 == 33:
- return 'valued (moved from)'
- if self.val['_state']['_status']['status_value'] & 22 == 22:
- return 'errored (errno) + exceptioned'
- if self.val['_state']['_status']['status_value'] & 18 == 18:
- return 'errored (errno)'
- if self.val['_state']['_status']['status_value'] & 6 == 6:
- return 'errored + exceptioned'
- if self.val['_state']['_status']['status_value'] & 4 == 4:
- return 'exceptioned'
- if self.val['_state']['_status']['status_value'] & 2 == 2:
- return 'errored'
- if self.val['_state']['_status']['status_value'] & 1 == 1:
- return 'valued'
- if self.val['_state']['_status']['status_value'] & 0xff == 0:
- return 'empty'
- def build_pretty_printer():
- pp = gdb.printing.RegexpCollectionPrettyPrinter("outcome_v2")
- pp.add_printer('outcome_v2::basic_result', '^outcome_v2[_0-9a-f]*::basic_result<.*>$', OutcomeBasicOutcomePrinter)
- pp.add_printer('outcome_v2::basic_outcome', '^outcome_v2[_0-9a-f]*::basic_outcome<.*>$', OutcomeBasicOutcomePrinter)
- return pp
- def register_printers(obj = None):
- gdb.printing.register_pretty_printer(obj, build_pretty_printer(), replace = True)
- register_printers(gdb.current_objfile())
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