		Search-engine friendly clone of the ACL2 documentation.

Vl-warningtree-context

Vl-warningtree->subtree

Get the subtree field from a vl-warningtree-context.

Signature
(vl-warningtree->subtree x) → subtree
Arguments: x — Guard (vl-warningtree-p x).
Returns: subtree — Type (vl-warningtree-p subtree).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-warningtree->subtree$inline

(defun vl-warningtree->subtree$inline (x)
  (declare (xargs :guard (vl-warningtree-p x)))
  (declare (xargs :guard (equal (vl-warningtree-kind x)
                                :context)))
  (let ((__function__ 'vl-warningtree->subtree))
    (declare (ignorable __function__))
    (mbe :logic
         (b* ((x (and (equal (vl-warningtree-kind x) :context)
                      x)))
           (vl-warningtree-fix (cddr x)))
         :exec (cddr x))))

Theorem: vl-warningtree-p-of-vl-warningtree->subtree

(defthm vl-warningtree-p-of-vl-warningtree->subtree
  (b* ((subtree (vl-warningtree->subtree$inline x)))
    (vl-warningtree-p subtree))
  :rule-classes :rewrite)

Theorem: vl-warningtree->subtree$inline-of-vl-warningtree-fix-x

(defthm vl-warningtree->subtree$inline-of-vl-warningtree-fix-x
  (equal (vl-warningtree->subtree$inline (vl-warningtree-fix x))
         (vl-warningtree->subtree$inline x)))

Theorem: vl-warningtree->subtree$inline-vl-warningtree-equiv-congruence-on-x

(defthm
 vl-warningtree->subtree$inline-vl-warningtree-equiv-congruence-on-x
 (implies (vl-warningtree-equiv x x-equiv)
          (equal (vl-warningtree->subtree$inline x)
                 (vl-warningtree->subtree$inline x-equiv)))
 :rule-classes :congruence)

Theorem: vl-warningtree->subtree-when-wrong-kind

(defthm vl-warningtree->subtree-when-wrong-kind
  (implies (not (equal (vl-warningtree-kind x)
                       :context))
           (equal (vl-warningtree->subtree x)
                  (vl-warningtree-fix nil))))