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Stripping-functions

Vl-sequence-strip

Signature
(vl-sequence-strip x) → new-x
Arguments: x — Guard (vl-sequence-p x).
Returns: new-x — Type (vl-sequence-p new-x).

Definitions and Theorems

Function: vl-sequence-strip

(defun vl-sequence-strip (x)
  (declare (xargs :guard (vl-sequence-p x)))
  (let ((__function__ 'vl-sequence-strip))
    (declare (ignorable __function__))
    (b* (((vl-sequence x) (vl-sequence-fix x)))
      (b* ((ports (vl-propportlist-strip x.ports))
           (decls (vl-vardecllist-strip x.decls))
           (expr (vl-propexpr-strip x.expr))
           (loc ((lambda (x)
                   (declare (ignore x))
                   *vl-fakeloc*)
                 x.loc)))
        (change-vl-sequence x
                            :ports ports
                            :decls decls
                            :expr expr
                            :loc loc)))))

Theorem: vl-sequence-p-of-vl-sequence-strip

(defthm vl-sequence-p-of-vl-sequence-strip
  (b* ((new-x (vl-sequence-strip x)))
    (vl-sequence-p new-x))
  :rule-classes :rewrite)

Theorem: vl-sequence-strip-of-vl-sequence-fix-x

(defthm vl-sequence-strip-of-vl-sequence-fix-x
  (equal (vl-sequence-strip (vl-sequence-fix x))
         (vl-sequence-strip x)))

Theorem: vl-sequence-strip-vl-sequence-equiv-congruence-on-x

(defthm vl-sequence-strip-vl-sequence-equiv-congruence-on-x
  (implies (vl-sequence-equiv x x-equiv)
           (equal (vl-sequence-strip x)
                  (vl-sequence-strip x-equiv)))
  :rule-classes :congruence)