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• Vl-scopecontext-local

Vl-scopecontext-local->levels

Get the levels field from a vl-scopecontext-local.

Signature

(vl-scopecontext-local->levels x) → levels

Arguments

x — Guard (vl-scopecontext-p x).

Returns

levels — Type (natp levels).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-scopecontext-local->levels$inline

(defun vl-scopecontext-local->levels$inline (x)
  (declare (xargs :guard (vl-scopecontext-p x)))
  (declare (xargs :guard (equal (vl-scopecontext-kind x)
                                :local)))
  (let ((__function__ 'vl-scopecontext-local->levels))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (vl-scopecontext-kind x) :local)
                      x)))
           (nfix (cdr x)))
         :exec (cdr x))))

Theorem: natp-of-vl-scopecontext-local->levels

(defthm natp-of-vl-scopecontext-local->levels
  (b* ((levels (vl-scopecontext-local->levels$inline x)))
    (natp levels))
  :rule-classes :type-prescription)

Theorem: vl-scopecontext-local->levels$inline-of-vl-scopecontext-fix-x

(defthm
      vl-scopecontext-local->levels$inline-of-vl-scopecontext-fix-x
 (equal
      (vl-scopecontext-local->levels$inline (vl-scopecontext-fix x))
      (vl-scopecontext-local->levels$inline x)))

Theorem: vl-scopecontext-local->levels$inline-vl-scopecontext-equiv-congruence-on-x

(defthm
 vl-scopecontext-local->levels$inline-vl-scopecontext-equiv-congruence-on-x
 (implies (vl-scopecontext-equiv x x-equiv)
          (equal (vl-scopecontext-local->levels$inline x)
                 (vl-scopecontext-local->levels$inline x-equiv)))
 :rule-classes :congruence)

Theorem: vl-scopecontext-local->levels-when-wrong-kind

(defthm vl-scopecontext-local->levels-when-wrong-kind
  (implies (not (equal (vl-scopecontext-kind x) :local))
           (equal (vl-scopecontext-local->levels x)
                  (nfix nil))))