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Sinteger-bit-role

Sinteger-bit-role-kind

Get the kind (tag) of a sinteger-bit-role structure.

Signature
(sinteger-bit-role-kind x) → kind
Arguments: x — Guard (sinteger-bit-rolep x).

Definitions and Theorems

Function: sinteger-bit-role-kind$inline

(defun sinteger-bit-role-kind$inline (x)
  (declare (xargs :guard (sinteger-bit-rolep x)))
  (mbe :logic (cond ((or (atom x) (eq (car x) :sign)) :sign)
                    ((eq (car x) :value) :value)
                    (t :padding))
       :exec (car x)))

Theorem: sinteger-bit-role-kind-possibilities

(defthm sinteger-bit-role-kind-possibilities
  (or (equal (sinteger-bit-role-kind x) :sign)
      (equal (sinteger-bit-role-kind x)
             :value)
      (equal (sinteger-bit-role-kind x)
             :padding))
  :rule-classes
  ((:forward-chaining :trigger-terms ((sinteger-bit-role-kind x)))))