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Scopesubst

Vl-vardecl-scopesubst

Scopesubstitute into a vl-vardecl-p.

Signature
(vl-vardecl-scopesubst x ss) → new-x
Arguments: x — Guard (vl-vardecl-p x).; ss — Guard (vl-scopestack-p ss).
Returns: new-x — Type (vl-vardecl-p new-x).

Definitions and Theorems

Function: vl-vardecl-scopesubst

(defun vl-vardecl-scopesubst (x ss)
  (declare (xargs :guard (and (vl-vardecl-p x)
                              (vl-scopestack-p ss))))
  (declare (ignorable x ss))
  (let ((__function__ 'vl-vardecl-scopesubst))
    (declare (ignorable __function__))
    (b* (((vl-vardecl x) x))
      (change-vl-vardecl
           x
           :type (vl-datatype-scopesubst x.type ss)
           :initval (vl-maybe-expr-scopesubst x.initval ss)
           :delay (vl-maybe-gatedelay-scopesubst x.delay ss)))))

Theorem: vl-vardecl-p-of-vl-vardecl-scopesubst

(defthm vl-vardecl-p-of-vl-vardecl-scopesubst
  (b* ((new-x (vl-vardecl-scopesubst x ss)))
    (vl-vardecl-p new-x))
  :rule-classes :rewrite)

Theorem: vl-vardecl-scopesubst-of-vl-vardecl-fix-x

(defthm vl-vardecl-scopesubst-of-vl-vardecl-fix-x
  (equal (vl-vardecl-scopesubst (vl-vardecl-fix x)
                                ss)
         (vl-vardecl-scopesubst x ss)))

Theorem: vl-vardecl-scopesubst-vl-vardecl-equiv-congruence-on-x

(defthm vl-vardecl-scopesubst-vl-vardecl-equiv-congruence-on-x
  (implies (vl-vardecl-equiv x x-equiv)
           (equal (vl-vardecl-scopesubst x ss)
                  (vl-vardecl-scopesubst x-equiv ss)))
  :rule-classes :congruence)

Theorem: vl-vardecl-scopesubst-of-vl-scopestack-fix-ss

(defthm vl-vardecl-scopesubst-of-vl-scopestack-fix-ss
  (equal (vl-vardecl-scopesubst x (vl-scopestack-fix ss))
         (vl-vardecl-scopesubst x ss)))

Theorem: vl-vardecl-scopesubst-vl-scopestack-equiv-congruence-on-ss

(defthm vl-vardecl-scopesubst-vl-scopestack-equiv-congruence-on-ss
  (implies (vl-scopestack-equiv ss ss-equiv)
           (equal (vl-vardecl-scopesubst x ss)
                  (vl-vardecl-scopesubst x ss-equiv)))
  :rule-classes :congruence)