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Verilog-printing

Vl-leftright-string

Signature
(vl-leftright-string x) → str
Arguments: x — Guard (vl-leftright-p x).
Returns: str — Type (stringp str).

Definitions and Theorems

Function: vl-leftright-string

(defun vl-leftright-string (x)
  (declare (xargs :guard (vl-leftright-p x)))
  (let ((__function__ 'vl-leftright-string))
    (declare (ignorable __function__))
    (case (vl-leftright-fix x)
          (:left "<<")
          (otherwise ">>"))))

Theorem: stringp-of-vl-leftright-string

(defthm stringp-of-vl-leftright-string
  (b* ((str (vl-leftright-string x)))
    (stringp str))
  :rule-classes :type-prescription)

Theorem: vl-leftright-string-of-vl-leftright-fix-x

(defthm vl-leftright-string-of-vl-leftright-fix-x
  (equal (vl-leftright-string (vl-leftright-fix x))
         (vl-leftright-string x)))

Theorem: vl-leftright-string-vl-leftright-equiv-congruence-on-x

(defthm vl-leftright-string-vl-leftright-equiv-congruence-on-x
  (implies (vl-leftright-equiv x x-equiv)
           (equal (vl-leftright-string x)
                  (vl-leftright-string x-equiv)))
  :rule-classes :congruence)