		Search-engine friendly clone of the ACL2 documentation.

Backtrace-frame

Backtrace-frame->rune

Get the rune field from a backtrace-frame.

Signature
(backtrace-frame->rune x) → rune
Arguments: x — Guard (backtrace-frame-p x).
Returns: rune — Type (maybe-fgl-generic-rune-p rune).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: backtrace-frame->rune$inline

(defun backtrace-frame->rune$inline (x)
  (declare (xargs :guard (backtrace-frame-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'backtrace-frame->rune))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (maybe-fgl-generic-rune-fix (std::da-nth 1 x)))
         :exec (std::da-nth 1 x))))

Theorem: maybe-fgl-generic-rune-p-of-backtrace-frame->rune

(defthm maybe-fgl-generic-rune-p-of-backtrace-frame->rune
  (b* ((rune (backtrace-frame->rune$inline x)))
    (maybe-fgl-generic-rune-p rune))
  :rule-classes :rewrite)

Theorem: backtrace-frame->rune$inline-of-backtrace-frame-fix-x

(defthm backtrace-frame->rune$inline-of-backtrace-frame-fix-x
  (equal (backtrace-frame->rune$inline (backtrace-frame-fix x))
         (backtrace-frame->rune$inline x)))

Theorem: backtrace-frame->rune$inline-backtrace-frame-equiv-congruence-on-x

(defthm
 backtrace-frame->rune$inline-backtrace-frame-equiv-congruence-on-x
 (implies (backtrace-frame-equiv x x-equiv)
          (equal (backtrace-frame->rune$inline x)
                 (backtrace-frame->rune$inline x-equiv)))
 :rule-classes :congruence)