def evaluate_condition(condition_expr: FuncExpr,
condition_args: Dict[str, LiteralType],
messages: Optional[MessageBuilder]
) -> bool:
condition_body = condition_expr.expr()
evaluator = Evaluator(condition_args)
result = condition_body.accept(evaluator)
assert isinstance(result, IntExpr)
return bool(result.value)
def visit_func_expr(self, expr: FuncExpr) -> Expression:
body = expr.expr()
return body.accept(self)
