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• Lvalexprs

Vl-plainarg-lvalexprs

Gather lvalue-position expressions from a vl-plainarg-p.

Signature

(vl-plainarg-lvalexprs x) → exprs

Arguments

x — Guard (vl-plainarg-p x).

Returns

exprs — Type (vl-exprlist-p exprs).

Definitions and Theorems

Function: vl-plainarg-lvalexprs

(defun vl-plainarg-lvalexprs (x)
 (declare (xargs :guard (vl-plainarg-p x)))
 (let ((__function__ 'vl-plainarg-lvalexprs))
  (declare (ignorable __function__))
  (mbe
      :logic
      (b* ((x (vl-plainarg-fix x)))
        (b* (((vl-plainarg x) x))
          (cond ((not x.expr) nil)
                ((not x.dir) nil)
                ((or (eq x.dir :vl-output)
                     (eq x.dir :vl-inout))
                 (cond ((assoc-equal "VL_UNSET_OUTPUT" x.atts)
                        nil)
                       ((vl-expr-lvaluep x.expr) (list x.expr))
                       (t nil)))
                ((assoc-equal "VL_LVALUE_INPUT" x.atts)
                 (if (vl-expr-lvaluep x.expr)
                     (list x.expr)
                   nil))
                (t nil))))
      :exec (with-local-nrev (vl-plainarg-lvalexprs-nrev x nrev)))))

Theorem: vl-exprlist-p-of-vl-plainarg-lvalexprs

(defthm vl-exprlist-p-of-vl-plainarg-lvalexprs
  (b* ((exprs (vl-plainarg-lvalexprs x)))
    (vl-exprlist-p exprs))
  :rule-classes :rewrite)

Theorem: vl-plainarg-lvalexprs-nrev-removal

(defthm vl-plainarg-lvalexprs-nrev-removal
  (equal (vl-plainarg-lvalexprs-nrev x nrev)
         (append nrev (vl-plainarg-lvalexprs x))))

Theorem: true-listp-of-vl-plainarg-lvalexprs

(defthm true-listp-of-vl-plainarg-lvalexprs
  (true-listp (vl-plainarg-lvalexprs x))
  :rule-classes :type-prescription)

Theorem: vl-exprlist-lvaluesp-of-vl-plainarg-lvalexprs

(defthm vl-exprlist-lvaluesp-of-vl-plainarg-lvalexprs
  (vl-exprlist-lvaluesp (vl-plainarg-lvalexprs x)))

Theorem: vl-plainarg-lvalexprs-of-vl-plainarg-fix-x

(defthm vl-plainarg-lvalexprs-of-vl-plainarg-fix-x
  (equal (vl-plainarg-lvalexprs (vl-plainarg-fix x))
         (vl-plainarg-lvalexprs x)))

Theorem: vl-plainarg-lvalexprs-vl-plainarg-equiv-congruence-on-x

(defthm vl-plainarg-lvalexprs-vl-plainarg-equiv-congruence-on-x
  (implies (vl-plainarg-equiv x x-equiv)
           (equal (vl-plainarg-lvalexprs x)
                  (vl-plainarg-lvalexprs x-equiv)))
  :rule-classes :congruence)

Subtopics

Vl-plainarg-lvalexprs-nrev