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Backtrace-spec

Backtrace-spec->rune

Get the rune field from a backtrace-spec.

Signature
(backtrace-spec->rune x) → rune
Arguments: x — Guard (backtrace-spec-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-spec->rune$inline

(defun backtrace-spec->rune$inline (x)
  (declare (xargs :guard (backtrace-spec-p x)))
  (declare (xargs :guard t))
  (let ((__function__ 'backtrace-spec->rune))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and t x)))
           (maybe-fgl-generic-rune-fix (std::da-nth 0 x)))
         :exec (std::da-nth 0 x))))

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

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

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

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

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

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