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3rdparty/boost_1_81_0/boost/outcome/outcome.gdb.py 2.52 KB
598bfd3f   Hu Chunming   提交_GLIBCXX_USE_CX...
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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())