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Programdecl

Programdeclp

Recognizer for programdecl structures.

Signature
(programdeclp x) → *

Definitions and Theorems

Function: programdeclp

(defun programdeclp (x)
  (declare (xargs :guard t))
  (let ((__function__ 'programdeclp))
    (declare (ignorable __function__))
    (and (consp x)
         (eq (car x) :programdecl)
         (mbe :logic (and (alistp (cdr x))
                          (equal (strip-cars (cdr x))
                                 '(id items)))
              :exec (fty::alist-with-carsp (cdr x)
                                           '(id items)))
         (b* ((id (cdr (std::da-nth 0 (cdr x))))
              (items (cdr (std::da-nth 1 (cdr x)))))
           (and (programidp id)
                (topdecl-listp items))))))

Theorem: consp-when-programdeclp

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