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Primitive-functions

Eval-symbol-name

Evaluation semantics of symbol-name.

Signature
(eval-symbol-name x) → result
Arguments: x — Guard (valuep x).
Returns: result — Type (valuep result).

Definitions and Theorems

Function: eval-symbol-name

(defun eval-symbol-name (x)
  (declare (xargs :guard (valuep x)))
  (let ((__function__ 'eval-symbol-name))
    (declare (ignorable __function__))
    (value-string (if (value-case x :symbol)
                      (symbol-value->name (value-symbol->get x))
                    ""))))

Theorem: valuep-of-eval-symbol-name

(defthm valuep-of-eval-symbol-name
  (b* ((result (eval-symbol-name x)))
    (valuep result))
  :rule-classes :rewrite)

Theorem: eval-symbol-name-of-value-fix-x

(defthm eval-symbol-name-of-value-fix-x
  (equal (eval-symbol-name (value-fix x))
         (eval-symbol-name x)))

Theorem: eval-symbol-name-value-equiv-congruence-on-x

(defthm eval-symbol-name-value-equiv-congruence-on-x
  (implies (value-equiv x x-equiv)
           (equal (eval-symbol-name x)
                  (eval-symbol-name x-equiv)))
  :rule-classes :congruence)