16 lines
587 B
Python
16 lines
587 B
Python
from smnp.error.runtime import RuntimeException
|
|
from smnp.runtime.evaluator import Evaluator
|
|
from smnp.runtime.evaluators.expression import expressionEvaluator
|
|
from smnp.type.model import Type
|
|
|
|
|
|
class NotEvaluator(Evaluator):
|
|
|
|
@classmethod
|
|
def evaluator(cls, node, environment):
|
|
value = expressionEvaluator(doAssert=True)(node.value, environment).value
|
|
|
|
if value.type != Type.BOOL:
|
|
raise RuntimeException(f"Operator '{node.operator.value}' is supported only by {Type.BOOL.name.lower()} type", node.value.pos)
|
|
|
|
return Type.bool(not value.value) |