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Integer-literal

Integer-literal-kind

Get the kind (tag) of a integer-literal structure.

Signature
(integer-literal-kind x) → kind
Arguments: x — Guard (integer-literalp x).

Definitions and Theorems

Function: integer-literal-kind$inline

(defun integer-literal-kind$inline (x)
  (declare (xargs :guard (integer-literalp x)))
  (let ((__function__ 'integer-literal-kind))
    (declare (ignorable __function__))
    (mbe :logic (cond ((or (atom x) (eq (car x) :hex)) :hex)
                      ((eq (car x) :dec) :dec)
                      ((eq (car x) :oct) :oct)
                      (t :bin))
         :exec (car x))))

Theorem: integer-literal-kind-possibilities

(defthm integer-literal-kind-possibilities
  (or (equal (integer-literal-kind x) :hex)
      (equal (integer-literal-kind x) :dec)
      (equal (integer-literal-kind x) :oct)
      (equal (integer-literal-kind x) :bin))
  :rule-classes
  ((:forward-chaining :trigger-terms ((integer-literal-kind x)))))