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Backtrace-spec

Backtrace-spec-p

Recognizer for backtrace-spec structures.

Signature
(backtrace-spec-p x) → *

Definitions and Theorems

Function: backtrace-spec-p

(defun backtrace-spec-p (x)
  (declare (xargs :guard t))
  (let ((__function__ 'backtrace-spec-p))
    (declare (ignorable __function__))
    (and (true-listp x)
         (eql (len x) 2)
         (b* ((rune (std::da-nth 0 x))
              (vars (std::da-nth 1 x)))
           (and (maybe-fgl-generic-rune-p rune)
                (pseudo-var-list-p vars))))))

Theorem: consp-when-backtrace-spec-p

(defthm consp-when-backtrace-spec-p
  (implies (backtrace-spec-p x) (consp x))
  :rule-classes :compound-recognizer)