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Extdecl

Extdecl-kind

Get the kind (tag) of a extdecl structure.

Signature
(extdecl-kind x) → kind
Arguments: x — Guard (extdeclp x).

Definitions and Theorems

Function: extdecl-kind$inline

(defun extdecl-kind$inline (x)
  (declare (xargs :guard (extdeclp x)))
  (let ((__function__ 'extdecl-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :fundef))
                       :fundef)
                      ((eq (car x) :decl) :decl)
                      ((eq (car x) :empty) :empty)
                      (t :asm))
         :exec (car x))))

Theorem: extdecl-kind-possibilities

(defthm extdecl-kind-possibilities
  (or (equal (extdecl-kind x) :fundef)
      (equal (extdecl-kind x) :decl)
      (equal (extdecl-kind x) :empty)
      (equal (extdecl-kind x) :asm))
  :rule-classes
  ((:forward-chaining :trigger-terms ((extdecl-kind x)))))