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Dirabsdeclor

Dirabsdeclor-kind

Get the kind (tag) of a dirabsdeclor structure.

Signature
(dirabsdeclor-kind x) → kind
Arguments: x — Guard (dirabsdeclorp x).

Definitions and Theorems

Function: dirabsdeclor-kind$inline

(defun dirabsdeclor-kind$inline (x)
  (declare (xargs :guard (dirabsdeclorp x)))
  (let ((__function__ 'dirabsdeclor-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :dummy-base))
                       :dummy-base)
                      ((eq (car x) :paren) :paren)
                      ((eq (car x) :array) :array)
                      ((eq (car x) :array-static1)
                       :array-static1)
                      ((eq (car x) :array-static2)
                       :array-static2)
                      ((eq (car x) :array-star) :array-star)
                      (t :function))
         :exec (car x))))

Theorem: dirabsdeclor-kind-possibilities

(defthm dirabsdeclor-kind-possibilities
  (or (equal (dirabsdeclor-kind x)
             :dummy-base)
      (equal (dirabsdeclor-kind x) :paren)
      (equal (dirabsdeclor-kind x) :array)
      (equal (dirabsdeclor-kind x)
             :array-static1)
      (equal (dirabsdeclor-kind x)
             :array-static2)
      (equal (dirabsdeclor-kind x)
             :array-star)
      (equal (dirabsdeclor-kind x) :function))
  :rule-classes
  ((:forward-chaining :trigger-terms ((dirabsdeclor-kind x)))))