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Svstmt

Svstmt-kind

Get the kind (tag) of a svstmt structure.

Signature
(svstmt-kind x) → kind
Arguments: x — Guard (svstmt-p x).

Definitions and Theorems

Function: svstmt-kind$inline

(defun svstmt-kind$inline (x)
  (declare (xargs :guard (svstmt-p x)))
  (let ((__function__ 'svstmt-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :assign))
                       :assign)
                      ((eq (car x) :if) :if)
                      ((eq (car x) :xcond) :xcond)
                      ((eq (car x) :while) :while)
                      ((eq (car x) :constraints) :constraints)
                      ((eq (car x) :scope) :scope)
                      (t :jump))
         :exec (car x))))

Theorem: svstmt-kind-possibilities

(defthm svstmt-kind-possibilities
  (or (equal (svstmt-kind x) :assign)
      (equal (svstmt-kind x) :if)
      (equal (svstmt-kind x) :xcond)
      (equal (svstmt-kind x) :while)
      (equal (svstmt-kind x) :constraints)
      (equal (svstmt-kind x) :scope)
      (equal (svstmt-kind x) :jump))
  :rule-classes
  ((:forward-chaining :trigger-terms ((svstmt-kind x)))))