Get the key field from a vl-patternkey-expr.
(vl-patternkey-expr->key x) → key
This is an ordinary field accessor created by defprod.
Function:
(defun vl-patternkey-expr->key$inline (x) (declare (xargs :guard (vl-patternkey-p x))) (declare (xargs :guard (equal (vl-patternkey-kind x) :expr))) (let ((__function__ 'vl-patternkey-expr->key)) (declare (ignorable __function__)) (mbe :logic (b* ((x (and (equal (vl-patternkey-kind x) :expr) x))) (vl-expr-fix (cdr x))) :exec (cdr x))))
Theorem:
(defthm vl-expr-p-of-vl-patternkey-expr->key (b* ((key (vl-patternkey-expr->key$inline x))) (vl-expr-p key)) :rule-classes :rewrite)
Theorem:
(defthm vl-patternkey-expr->key$inline-of-vl-patternkey-fix-x (equal (vl-patternkey-expr->key$inline (vl-patternkey-fix x)) (vl-patternkey-expr->key$inline x)))
Theorem:
(defthm vl-patternkey-expr->key$inline-vl-patternkey-equiv-congruence-on-x (implies (vl-patternkey-equiv x x-equiv) (equal (vl-patternkey-expr->key$inline x) (vl-patternkey-expr->key$inline x-equiv))) :rule-classes :congruence)
Theorem:
(defthm vl-patternkey-expr->key-when-wrong-kind (implies (not (equal (vl-patternkey-kind x) :expr)) (equal (vl-patternkey-expr->key x) (vl-expr-fix nil))))