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Vl-expr-update-subexprs

Signature

(vl-expr-update-subexprs x subexprs) → new-x

Arguments

x — Guard (vl-expr-p x).

subexprs — Guard (vl-exprlist-p subexprs).

Returns

new-x — Type (vl-expr-p new-x).

Definitions and Theorems

Function: vl-expr-update-subexprs

(defun
 vl-expr-update-subexprs (x subexprs)
 (declare (xargs :guard (and (vl-expr-p x)
                             (vl-exprlist-p subexprs))))
 (declare (xargs :guard (equal (len subexprs)
                               (len (vl-expr->subexprs x)))))
 (let
  ((__function__ 'vl-expr-update-subexprs))
  (declare (ignorable __function__))
  (let*
   ((subexprs (vl-exprlist-fix subexprs)))
   (vl-expr-case
    x
    :vl-index
    (b*
     ((nscopesubs (len (vl-scopeexpr->subexprs x.scope)))
      (nindices (len x.indices)))
     (change-vl-index
      x
      :scope (vl-scopeexpr-update-subexprs
                  x.scope (take nscopesubs subexprs))
      :indices (take nindices (nthcdr nscopesubs subexprs))
      :part
      (vl-partselect-update-subexprs x.part
                                     (nthcdr (+ nindices nscopesubs)
                                             subexprs))))
    :vl-unary (change-vl-unary x :arg (car subexprs))
    :vl-binary (change-vl-binary x
                                 :left (car subexprs)
                                 :right (cadr subexprs))
    :vl-qmark (change-vl-qmark x
                               :test (car subexprs)
                               :then (cadr subexprs)
                               :else (caddr subexprs))
    :vl-mintypmax (change-vl-mintypmax x
                                       :min (car subexprs)
                                       :typ (cadr subexprs)
                                       :max (caddr subexprs))
    :vl-concat (change-vl-concat x :parts subexprs)
    :vl-multiconcat (change-vl-multiconcat x
                                           :reps (car subexprs)
                                           :parts (cdr subexprs))
    :vl-stream
    (let ((nsizeexprs (len (vl-slicesize->subexprs x.size))))
         (change-vl-stream
              x
              :size (vl-slicesize-update-subexprs
                         x.size (take nsizeexprs subexprs))
              :parts (vl-streamexprlist-update-subexprs
                          x.parts (nthcdr nsizeexprs subexprs))))
    :vl-call
    (let* ((nnameexprs (len (vl-scopeexpr->subexprs x.name)))
           (plainargexprs
                (len (vl-maybe-exprlist->subexprs x.plainargs))))
          (change-vl-call
               x
               :name (vl-scopeexpr-update-subexprs
                          x.name (take nnameexprs subexprs))
               :plainargs (vl-maybe-exprlist-update-subexprs
                               x.plainargs
                               (take plainargexprs
                                     (nthcdr nnameexprs subexprs)))
               :namedargs (vl-call-namedargs-update-subexprs
                               x.namedargs
                               (nthcdr (+ nnameexprs plainargexprs)
                                       subexprs))))
    :vl-cast
    (vl-casttype-case
       x.to
       :size (change-vl-cast
                  x
                  :to (change-vl-casttype-size x.to
                                               :size (car subexprs))
                  :expr (cadr subexprs))
       :otherwise (change-vl-cast x :expr (car subexprs)))
    :vl-inside
    (change-vl-inside
      x
      :elem (car subexprs)
      :set (vl-valuerangelist-update-subexprs x.set (cdr subexprs)))
    :vl-tagged (if x.expr
                   (change-vl-tagged x
                                     :expr (car subexprs))
                   (vl-expr-fix x))
    :vl-pattern
    (change-vl-pattern
         x
         :pat (vl-assignpat-update-subexprs x.pat subexprs))
    :vl-eventexpr
    (change-vl-eventexpr
         x
         :atoms (vl-evatomlist-update-subexprs x.atoms subexprs))
    :otherwise (vl-expr-fix x)))))

Theorem: vl-expr-p-of-vl-expr-update-subexprs

(defthm vl-expr-p-of-vl-expr-update-subexprs
        (b* ((new-x (vl-expr-update-subexprs x subexprs)))
            (vl-expr-p new-x))
        :rule-classes :rewrite)

Theorem: vl-expr-update-subexprs-identity

(defthm vl-expr-update-subexprs-identity
        (equal (vl-expr-update-subexprs x (vl-expr->subexprs x))
               (vl-expr-fix x)))

Theorem: vl-expr->atts-of-vl-expr-update-subexprs

(defthm vl-expr->atts-of-vl-expr-update-subexprs
        (b* ((?new-x (vl-expr-update-subexprs x subexprs)))
            (equal (vl-expr->atts new-x)
                   (vl-expr->atts x))))

Theorem: vl-expr-kind-of-vl-expr-update-subexprs

(defthm vl-expr-kind-of-vl-expr-update-subexprs
        (b* ((?new-x (vl-expr-update-subexprs x subexprs)))
            (equal (vl-expr-kind new-x)
                   (vl-expr-kind x))))

Theorem: vl-expr-update-subexprs-identity2

(defthm
   vl-expr-update-subexprs-identity2
   (implies (equal (len y)
                   (len (vl-expr->subexprs x)))
            (equal (vl-expr->subexprs (vl-expr-update-subexprs x y))
                   (vl-exprlist-fix y))))

Theorem: vl-expr-update-subexprs-of-vl-expr-fix-x

(defthm vl-expr-update-subexprs-of-vl-expr-fix-x
        (equal (vl-expr-update-subexprs (vl-expr-fix x)
                                        subexprs)
               (vl-expr-update-subexprs x subexprs)))

Theorem: vl-expr-update-subexprs-vl-expr-equiv-congruence-on-x

(defthm vl-expr-update-subexprs-vl-expr-equiv-congruence-on-x
        (implies (vl-expr-equiv x x-equiv)
                 (equal (vl-expr-update-subexprs x subexprs)
                        (vl-expr-update-subexprs x-equiv subexprs)))
        :rule-classes :congruence)

Theorem: vl-expr-update-subexprs-of-vl-exprlist-fix-subexprs

(defthm
     vl-expr-update-subexprs-of-vl-exprlist-fix-subexprs
     (equal (vl-expr-update-subexprs x (vl-exprlist-fix subexprs))
            (vl-expr-update-subexprs x subexprs)))

Theorem: vl-expr-update-subexprs-vl-exprlist-equiv-congruence-on-subexprs

(defthm
    vl-expr-update-subexprs-vl-exprlist-equiv-congruence-on-subexprs
    (implies (vl-exprlist-equiv subexprs subexprs-equiv)
             (equal (vl-expr-update-subexprs x subexprs)
                    (vl-expr-update-subexprs x subexprs-equiv)))
    :rule-classes :congruence)