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• Vl-index

Vl-index->scope

Get the scope field from a vl-index.

Signature

(vl-index->scope x) → scope

Arguments

x — Guard (vl-expr-p x).

Returns

scope — Type (vl-scopeexpr-p scope).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-index->scope$inline

(defun vl-index->scope$inline (x)
 (declare (xargs :guard (vl-expr-p x)))
 (declare (xargs :guard (equal (vl-expr-kind x) :vl-index)))
 (let ((__function__ 'vl-index->scope))
  (declare (ignorable __function__))
  (mbe :logic
       (b* ((x (and (equal (vl-expr-kind x) :vl-index)
                    x)))
         (vl-scopeexpr-fix (std::prod-car (std::prod-car (cdr x)))))
       :exec (std::prod-car (std::prod-car (cdr x))))))

Theorem: vl-scopeexpr-p-of-vl-index->scope

(defthm vl-scopeexpr-p-of-vl-index->scope
  (b* ((scope (vl-index->scope$inline x)))
    (vl-scopeexpr-p scope))
  :rule-classes :rewrite)

Theorem: vl-index->scope$inline-of-vl-expr-fix-x

(defthm vl-index->scope$inline-of-vl-expr-fix-x
  (equal (vl-index->scope$inline (vl-expr-fix x))
         (vl-index->scope$inline x)))

Theorem: vl-index->scope$inline-vl-expr-equiv-congruence-on-x

(defthm vl-index->scope$inline-vl-expr-equiv-congruence-on-x
  (implies (vl-expr-equiv x x-equiv)
           (equal (vl-index->scope$inline x)
                  (vl-index->scope$inline x-equiv)))
  :rule-classes :congruence)

Theorem: vl-index->scope-when-wrong-kind

(defthm vl-index->scope-when-wrong-kind
  (implies (not (equal (vl-expr-kind x) :vl-index))
           (equal (vl-index->scope x)
                  (vl-scopeexpr-fix nil))))