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Unparameterization

Vl-unparam-basename-exprstring

Signature
(vl-unparam-basename-exprstring x) → str
Arguments: x — Guard (vl-maybe-expr-p x).
Returns: str — Type (stringp str).

Definitions and Theorems

Function: vl-unparam-basename-exprstring

(defun vl-unparam-basename-exprstring (x)
  (declare (xargs :guard (vl-maybe-expr-p x)))
  (let ((__function__ 'vl-unparam-basename-exprstring))
    (declare (ignorable __function__))
    (if x (if (and (vl-expr-resolved-p x)
                   (b* (((mv & size)
                         (vl-expr-selfsize x nil nil))
                        ((mv & type)
                         (vl-expr-typedecide x nil nil)))
                     (and (eql size 32)
                          (eq type :vl-signed))))
              (b* ((val (vl-resolved->val x)))
                (cat (if (< val 0) "-" "")
                     (natstr (abs val))))
            (common-lisp::substitute #\_ #\Space (vl-pps-expr x)))
      "NULL")))

Theorem: stringp-of-vl-unparam-basename-exprstring

(defthm stringp-of-vl-unparam-basename-exprstring
  (b* ((str (vl-unparam-basename-exprstring x)))
    (stringp str))
  :rule-classes :type-prescription)

Theorem: vl-unparam-basename-exprstring-of-vl-maybe-expr-fix-x

(defthm vl-unparam-basename-exprstring-of-vl-maybe-expr-fix-x
  (equal (vl-unparam-basename-exprstring (vl-maybe-expr-fix x))
         (vl-unparam-basename-exprstring x)))

Theorem: vl-unparam-basename-exprstring-vl-maybe-expr-equiv-congruence-on-x

(defthm
 vl-unparam-basename-exprstring-vl-maybe-expr-equiv-congruence-on-x
 (implies (vl-maybe-expr-equiv x x-equiv)
          (equal (vl-unparam-basename-exprstring x)
                 (vl-unparam-basename-exprstring x-equiv)))
 :rule-classes :congruence)