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Programdef

Programdefp

Recognizer for programdef structures.

Signature
(programdefp x) → *

Definitions and Theorems

Function: programdefp

(defun programdefp (x)
  (declare (xargs :guard t))
  (let ((__function__ 'programdefp))
    (declare (ignorable __function__))
    (and (consp x)
         (cond ((or (atom x) (eq (car x) :mapping))
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 1)
                     (b* ((get (std::da-nth 0 (cdr x))))
                       (mappingp get))))
               ((eq (car x) :interface)
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 1)
                     (b* ((get (std::da-nth 0 (cdr x))))
                       (interface-typep get))))
               ((eq (car x) :record)
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 1)
                     (b* ((get (std::da-nth 0 (cdr x))))
                       (record-typep get))))
               ((eq (car x) :closure)
                (and (true-listp (cdr x))
                     (eql (len (cdr x)) 1)
                     (b* ((get (std::da-nth 0 (cdr x))))
                       (closurep get))))
               (t (and (eq (car x) :function)
                       (and (true-listp (cdr x))
                            (eql (len (cdr x)) 1))
                       (b* ((get (std::da-nth 0 (cdr x))))
                         (functionp get))))))))

Theorem: consp-when-programdefp

(defthm consp-when-programdefp
  (implies (programdefp x) (consp x))
  :rule-classes :compound-recognizer)