def eval_not(self, tree):
"""Evaluate a logical NOT operator."""
return (
bt.BoolType(False, enter_value=True)
if self.eval_expression(tree[0]).value == True
else bt.BoolType(True, enter_value=True)
)
def eval_or(self, tree):
"""Evaluate a logical OR operator."""
if self.eval_expression(tree[0]).value == True:
return bt.BoolType(True, enter_value=True)
elif self.eval_expression(tree[1]).value == True:
return bt.BoolType(True, enter_value=True)
else:
return bt.BoolType(False, enter_value=True)
def eval_bool(tree):
"""Evaluate a bool type."""
value = bt.BoolType(tree)
return value
def eval_greater(self, tree):
"""Evaluate a logical greater than sign."""
return bt.BoolType(
self.eval_expression(tree[0]) > self.eval_expression(tree[1]),
enter_value=True,
)
def eval_less(self, tree):
"""Evaluate a logical less than sign."""
return bt.BoolType(
self.eval_expression(tree[0]) < self.eval_expression(tree[1]),
enter_value=True,
)
def eval_not_eqeq(self, tree):
"""Evaluate a logical not equals sign."""
return bt.BoolType(
self.eval_expression(tree[0]) != self.eval_expression(tree[1]),
enter_value=True,
)