Recognizer for vl-clocking-direction-head structures.
(vl-clocking-direction-head-p x) → *
Function:
(defun vl-clocking-direction-head-p (x) (declare (xargs :guard t)) (let ((__function__ 'vl-clocking-direction-head-p)) (declare (ignorable __function__)) (and (consp x) (eq (car x) :vl-clocking-direction-head) (std::prod-consp (cdr x)) (std::prod-consp (std::prod-car (cdr x))) (std::prod-consp (std::prod-cdr (cdr x))) (b* ((inp (std::prod-car (std::prod-car (cdr x)))) (outp (std::prod-cdr (std::prod-car (cdr x)))) (iskew (std::prod-car (std::prod-cdr (cdr x)))) (oskew (std::prod-cdr (std::prod-cdr (cdr x))))) (and (booleanp inp) (booleanp outp) (vl-maybe-clkskew-p iskew) (vl-maybe-clkskew-p oskew))))))
Theorem:
(defthm consp-when-vl-clocking-direction-head-p (implies (vl-clocking-direction-head-p x) (consp x)) :rule-classes :compound-recognizer)