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• Sv::vl-expr.lisp

Vttree->constraints

Signature

(vttree->constraints x) → constraints

Arguments

x — Guard (vttree-p x).

Returns

constraints — Type (sv::constraintlist-p constraints).

Definitions and Theorems

Function: vttree->constraints

(defun vttree->constraints (x)
 (declare (xargs :guard (vttree-p x)))
 (let ((__function__ 'vttree->constraints))
  (declare (ignorable __function__))
  (mbe
   :logic
   (vttree-case
    x
    :none nil
    :constraints (list-fix x.constraints)
    :warnings nil
    :context (constraintlist-add-ctx (vttree->constraints x.subtree)
                                     x.ctx)
    :branch (append-without-guard (vttree->constraints x.left)
                                  (vttree->constraints x.right)))
   :exec (rev (vttree->constraints-acc x nil nil)))))

Theorem: constraintlist-p-of-vttree->constraints

(defthm constraintlist-p-of-vttree->constraints
  (b* ((constraints (vttree->constraints x)))
    (sv::constraintlist-p constraints))
  :rule-classes :rewrite)

Theorem: true-listp-of-vttree->constraints

(defthm true-listp-of-vttree->constraints
  (b* ((?constraints (vttree->constraints x)))
    (true-listp constraints))
  :rule-classes :type-prescription)

Theorem: vttree->constraints-of-vttree-fix-x

(defthm vttree->constraints-of-vttree-fix-x
  (equal (vttree->constraints (vttree-fix x))
         (vttree->constraints x)))

Theorem: vttree->constraints-vttree-equiv-congruence-on-x

(defthm vttree->constraints-vttree-equiv-congruence-on-x
  (implies (vttree-equiv x x-equiv)
           (equal (vttree->constraints x)
                  (vttree->constraints x-equiv)))
  :rule-classes :congruence)