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• Vl-description

Vl-fast-filter-descriptions

Signature

(vl-fast-filter-descriptions names fal x nrev nrev2) 
  → 
(mv nrev nrev2)

Arguments

names — Guard (string-listp names).

fal — Guard (equal fal (make-lookup-alist names)).

x — Guard (vl-descriptionlist-p x).

nrev — Matches.

nrev2 — Non-Matches.

Definitions and Theorems

Function: vl-fast-filter-descriptions

(defun vl-fast-filter-descriptions (names fal x nrev nrev2)
  (declare (xargs :stobjs (nrev nrev2)))
  (declare
       (xargs :guard (and (string-listp names)
                          (vl-descriptionlist-p x)
                          (equal fal (make-lookup-alist names)))))
  (let ((__function__ 'vl-fast-filter-descriptions))
    (declare (ignorable __function__))
    (cond ((atom x)
           (let* ((nrev (nrev-fix nrev))
                  (nrev2 (nrev-fix nrev2)))
             (mv nrev nrev2)))
          ((fast-memberp (vl-description->name (car x))
                         (string-list-fix names)
                         fal)
           (let ((nrev (nrev-push (vl-description-fix (car x))
                                  nrev)))
             (vl-fast-filter-descriptions names fal (cdr x)
                                          nrev nrev2)))
          (t (let ((nrev2 (nrev-push (vl-description-fix (car x))
                                     nrev2)))
               (vl-fast-filter-descriptions names fal (cdr x)
                                            nrev nrev2))))))