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Dirdeclor

Dirdeclor-kind

Get the kind (tag) of a dirdeclor structure.

Signature
(dirdeclor-kind x) → kind
Arguments: x — Guard (dirdeclorp x).

Definitions and Theorems

Function: dirdeclor-kind$inline

(defun dirdeclor-kind$inline (x)
  (declare (xargs :guard (dirdeclorp x)))
  (let ((__function__ 'dirdeclor-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :ident))
                       :ident)
                      ((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)
                      ((eq (car x) :function-params)
                       :function-params)
                      (t :function-names))
         :exec (car x))))

Theorem: dirdeclor-kind-possibilities

(defthm dirdeclor-kind-possibilities
  (or (equal (dirdeclor-kind x) :ident)
      (equal (dirdeclor-kind x) :paren)
      (equal (dirdeclor-kind x) :array)
      (equal (dirdeclor-kind x)
             :array-static1)
      (equal (dirdeclor-kind x)
             :array-static2)
      (equal (dirdeclor-kind x) :array-star)
      (equal (dirdeclor-kind x)
             :function-params)
      (equal (dirdeclor-kind x)
             :function-names))
  :rule-classes
  ((:forward-chaining :trigger-terms ((dirdeclor-kind x)))))