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Vl-literal

Vl-literal->val

Get the val field from a vl-literal.

Signature
(vl-literal->val x) → val
Arguments: x — Guard (vl-expr-p x).
Returns: val — Type (vl-value-p val).

This is an ordinary field accessor created by defprod.

Definitions and Theorems

Function: vl-literal->val$inline

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

Theorem: vl-value-p-of-vl-literal->val

(defthm vl-value-p-of-vl-literal->val
  (b* ((val (vl-literal->val$inline x)))
    (vl-value-p val))
  :rule-classes :rewrite)

Theorem: vl-literal->val$inline-of-vl-expr-fix-x

(defthm vl-literal->val$inline-of-vl-expr-fix-x
  (equal (vl-literal->val$inline (vl-expr-fix x))
         (vl-literal->val$inline x)))

Theorem: vl-literal->val$inline-vl-expr-equiv-congruence-on-x

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

Theorem: vl-literal->val-when-wrong-kind

(defthm vl-literal->val-when-wrong-kind
  (implies (not (equal (vl-expr-kind x) :vl-literal))
           (equal (vl-literal->val x)
                  (vl-value-fix nil))))