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    Vl-expr->subexprs

    Signature
    (vl-expr->subexprs x) → subexprs
    Arguments
    x — Guard (vl-expr-p x).
    Returns
    subexprs — Type (vl-exprlist-p subexprs).

    Definitions and Theorems

    Function: vl-expr->subexprs

    (defun
     vl-expr->subexprs (x)
     (declare (xargs :guard (vl-expr-p x)))
     (let
      ((__function__ 'vl-expr->subexprs))
      (declare (ignorable __function__))
      (vl-expr-case
       x
       :vl-special nil
       :vl-literal nil
       :vl-index (append-without-guard (vl-scopeexpr->subexprs x.scope)
                                       x.indices
                                       (vl-partselect->subexprs x.part))
       :vl-unary (list x.arg)
       :vl-binary (list x.left x.right)
       :vl-qmark (list x.test x.then x.else)
       :vl-mintypmax (list x.min x.typ x.max)
       :vl-concat x.parts
       :vl-multiconcat (cons x.reps x.parts)
       :vl-stream (append (vl-slicesize->subexprs x.size)
                          (vl-streamexprlist->subexprs x.parts))
       :vl-call (append (vl-scopeexpr->subexprs x.name)
                        (vl-maybe-exprlist->subexprs x.plainargs)
                        (vl-call-namedargs->subexprs x.namedargs))
       :vl-cast (vl-casttype-case x.to
                                  :size (list x.to.size x.expr)
                                  :otherwise (list x.expr))
       :vl-inside (cons x.elem
                        (vl-valuerangelist->subexprs x.set))
       :vl-tagged (and x.expr (list x.expr))
       :vl-pattern (vl-assignpat->subexprs x.pat)
       :vl-eventexpr (vl-evatomlist->subexprs x.atoms))))

    Theorem: vl-exprlist-p-of-vl-expr->subexprs

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

    Theorem: vl-exprlist-count-of-vl-expr->subexprs

    (defthm vl-exprlist-count-of-vl-expr->subexprs
            (b* ((?subexprs (vl-expr->subexprs x)))
                (< (vl-exprlist-count subexprs)
                   (vl-expr-count x)))
            :rule-classes :linear)

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

    (defthm vl-expr->subexprs-of-vl-expr-update-atts
            (equal (vl-expr->subexprs (vl-expr-update-atts x atts))
                   (vl-expr->subexprs x)))

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

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

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

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