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Jstatem

Jstatem-kind

Get the kind (tag) of a jstatem structure.

Signature
(jstatem-kind x) → kind
Arguments: x — Guard (jstatemp x).

Definitions and Theorems

Function: jstatem-kind$inline

(defun jstatem-kind$inline (x)
  (declare (xargs :guard (jstatemp x)))
  (let ((__function__ 'jstatem-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :locvar))
                       :locvar)
                      ((eq (car x) :expr) :expr)
                      ((eq (car x) :return) :return)
                      ((eq (car x) :throw) :throw)
                      ((eq (car x) :break) :break)
                      ((eq (car x) :continue) :continue)
                      ((eq (car x) :if) :if)
                      ((eq (car x) :ifelse) :ifelse)
                      ((eq (car x) :while) :while)
                      ((eq (car x) :do) :do)
                      (t :for))
         :exec (car x))))

Theorem: jstatem-kind-possibilities

(defthm jstatem-kind-possibilities
  (or (equal (jstatem-kind x) :locvar)
      (equal (jstatem-kind x) :expr)
      (equal (jstatem-kind x) :return)
      (equal (jstatem-kind x) :throw)
      (equal (jstatem-kind x) :break)
      (equal (jstatem-kind x) :continue)
      (equal (jstatem-kind x) :if)
      (equal (jstatem-kind x) :ifelse)
      (equal (jstatem-kind x) :while)
      (equal (jstatem-kind x) :do)
      (equal (jstatem-kind x) :for))
  :rule-classes
  ((:forward-chaining :trigger-terms ((jstatem-kind x)))))