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Vl-atomicportexpr-p

Recognize non-concatenations that can occur in port expressions.

Signature

(vl-atomicportexpr-p x) → okp

Arguments

x — Guard (vl-expr-p x).

Returns

okp — Type (booleanp okp).

Definitions and Theorems

Function: vl-atomicportexpr-p

(defun vl-atomicportexpr-p (x)
  (declare (xargs :guard (vl-expr-p x)))
  (let ((__function__ 'vl-atomicportexpr-p))
    (declare (ignorable __function__))
    (b* (((when (vl-fast-atom-p x))
          (vl-idexpr-p x))
         ((vl-nonatom x))
         ((when (and (or (eq x.op :vl-bitselect)
                         (eq x.op :vl-index))))
          (vl-idexpr-p (first x.args)))
         ((when (and (or (eq x.op :vl-select-colon)
                         (eq x.op :vl-partselect-colon))))
          (vl-idexpr-p (first x.args))))
      nil)))

Theorem: booleanp-of-vl-atomicportexpr-p

(defthm booleanp-of-vl-atomicportexpr-p
  (b* ((okp (vl-atomicportexpr-p x)))
    (booleanp okp))
  :rule-classes :type-prescription)

Theorem: vl-atomicportexpr-p-of-vl-expr-fix-x

(defthm vl-atomicportexpr-p-of-vl-expr-fix-x
  (equal (vl-atomicportexpr-p (vl-expr-fix x))
         (vl-atomicportexpr-p x)))

Theorem: vl-atomicportexpr-p-vl-expr-equiv-congruence-on-x

(defthm vl-atomicportexpr-p-vl-expr-equiv-congruence-on-x
  (implies (vl-expr-equiv x x-equiv)
           (equal (vl-atomicportexpr-p x)
                  (vl-atomicportexpr-p x-equiv)))
  :rule-classes :congruence)