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• Vl-indexexpr->indices

Vl-indexexpr->indices-exec

Signature

(vl-indexexpr->indices-exec x acc) → indices

Arguments

x — Guard (vl-expr-p x).

acc — Guard (vl-exprlist-p acc).

Returns

indices — Type (vl-exprlist-p indices).

Definitions and Theorems

Function: vl-indexexpr->indices-exec

(defun vl-indexexpr->indices-exec (x acc)
 (declare (xargs :guard (and (vl-expr-p x)
                             (vl-exprlist-p acc))))
 (declare (xargs :guard (vl-indexexpr-p x)))
 (let ((__function__ 'vl-indexexpr->indices-exec))
  (declare (ignorable __function__))
  (b*
   ((acc (vl-exprlist-fix acc))
    ((when (vl-atom-p x)) acc)
    ((vl-nonatom x) x)
    ((when (or (vl-op-equiv x.op :vl-index)
               (vl-op-equiv x.op :vl-bitselect)))
     (vl-indexexpr->indices-exec (first x.args)
                                 (cons (vl-expr-fix (second x.args))
                                       acc))))
   acc)))

Theorem: vl-exprlist-p-of-vl-indexexpr->indices-exec

(defthm vl-exprlist-p-of-vl-indexexpr->indices-exec
  (b* ((indices (vl-indexexpr->indices-exec x acc)))
    (vl-exprlist-p indices))
  :rule-classes :rewrite)

Theorem: vl-indexexpr->indices-exec-of-vl-expr-fix-x

(defthm vl-indexexpr->indices-exec-of-vl-expr-fix-x
  (equal (vl-indexexpr->indices-exec (vl-expr-fix x)
                                     acc)
         (vl-indexexpr->indices-exec x acc)))

Theorem: vl-indexexpr->indices-exec-vl-expr-equiv-congruence-on-x

(defthm vl-indexexpr->indices-exec-vl-expr-equiv-congruence-on-x
  (implies (vl-expr-equiv x x-equiv)
           (equal (vl-indexexpr->indices-exec x acc)
                  (vl-indexexpr->indices-exec x-equiv acc)))
  :rule-classes :congruence)

Theorem: vl-indexexpr->indices-exec-of-vl-exprlist-fix-acc

(defthm vl-indexexpr->indices-exec-of-vl-exprlist-fix-acc
  (equal (vl-indexexpr->indices-exec x (vl-exprlist-fix acc))
         (vl-indexexpr->indices-exec x acc)))

Theorem: vl-indexexpr->indices-exec-vl-exprlist-equiv-congruence-on-acc

(defthm
     vl-indexexpr->indices-exec-vl-exprlist-equiv-congruence-on-acc
  (implies (vl-exprlist-equiv acc acc-equiv)
           (equal (vl-indexexpr->indices-exec x acc)
                  (vl-indexexpr->indices-exec x acc-equiv)))
  :rule-classes :congruence)