def indentation_count_character_set(self):
"""Returns the superset of all characters that are involved in
indentation counting. That is the set of character that can
appear between newline and the first non whitespace character.
"""
result = NumberSet()
for character_set in self.space_db.values():
result.unite_with(character_set.get())
for character_set in self.grid_db.values():
result.unite_with(character_set.get())
return result
def __wildcard_value_match(self, WildCardValue):
result = NumberSet()
value_list = self.get_wildcard_value_matches(WildCardValue)
if value_list == []:
return None
for value in value_list:
result.unite_with(NumberSet(self.code_point_db[value]))
return result
def indentation_count_character_set(self):
"""Returns the superset of all characters that are involved in
indentation counting. That is the set of character that can
appear between newline and the first non whitespace character.
"""
result = NumberSet()
for character_set in self.space_db.values():
result.unite_with(character_set.get())
for character_set in self.grid_db.values():
result.unite_with(character_set.get())
return result
def __wildcard_value_match(self, WildCardValue):
result = NumberSet()
value_list = self.get_wildcard_value_matches(WildCardValue)
if value_list == []:
return None
for value in value_list:
result.unite_with(NumberSet(self.code_point_db[value]))
# No decoupling, since result is computed each fresh and new
return result
def is_DFA_compliant(self):
"""Checks if the current state transitions are DFA compliant, i.e. it
investigates if trigger sets pointing to different targets intersect.
RETURN: True => OK
False => Same triggers point to different target. This cannot
be part of a deterministic finite automaton (DFA).
"""
# DFA's do not have epsilon transitions
if len(self.__epsilon_target_index_list) != 0: return False
# check wether trigger sets intersect
all_trigger_sets = NumberSet()
for trigger_set in self.__db.values():
if all_trigger_sets.has_intersection(trigger_set):
return False
else:
all_trigger_sets.unite_with(trigger_set)
return True
def is_DFA_compliant(self):
"""Checks if the current state transitions are DFA compliant, i.e. it
investigates if trigger sets pointing to different targets intersect.
RETURN: True => OK
False => Same triggers point to different target. This cannot
be part of a deterministic finite automaton (DFA).
"""
# DFA's do not have epsilon transitions
if len(self.__epsilon_target_index_list) != 0: return False
# check wether trigger sets intersect
all_trigger_sets = NumberSet()
for trigger_set in self.__db.values():
if all_trigger_sets.has_intersection(trigger_set):
return False
else:
all_trigger_sets.unite_with(trigger_set)
return True
def get_trigger_set_union(self):
result = NumberSet()
for trigger_set in self.__db.values():
result.unite_with(trigger_set)
return result
def get_trigger_set_union(self):
result = NumberSet()
for trigger_set in self.__db.values():
result.unite_with(trigger_set)
return result
