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Vl-genelement

Vl-genelement-kind

Get the kind (tag) of a vl-genelement structure.

Signature
(vl-genelement-kind x) → kind
Arguments: x — Guard (vl-genelement-p x).

Definitions and Theorems

Function: vl-genelement-kind$inline

(defun vl-genelement-kind$inline (x)
  (declare (xargs :guard (vl-genelement-p x)))
  (let ((__function__ 'vl-genelement-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :vl-genbase))
                       :vl-genbase)
                      ((eq (car x) :vl-genbegin) :vl-genbegin)
                      ((eq (car x) :vl-genif) :vl-genif)
                      ((eq (car x) :vl-gencase) :vl-gencase)
                      ((eq (car x) :vl-genloop) :vl-genloop)
                      (t :vl-genarray))
         :exec (car x))))

Theorem: vl-genelement-kind-possibilities

(defthm vl-genelement-kind-possibilities
  (or (equal (vl-genelement-kind x)
             :vl-genbase)
      (equal (vl-genelement-kind x)
             :vl-genbegin)
      (equal (vl-genelement-kind x) :vl-genif)
      (equal (vl-genelement-kind x)
             :vl-gencase)
      (equal (vl-genelement-kind x)
             :vl-genloop)
      (equal (vl-genelement-kind x)
             :vl-genarray))
  :rule-classes
  ((:forward-chaining :trigger-terms ((vl-genelement-kind x)))))