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• Parser-states

Parstate->tokens-unread

Signature

(parstate->tokens-unread parstate) → tokens-unread

Returns

tokens-unread — Type (natp tokens-unread).

Definitions and Theorems

Function: parstate->tokens-unread$inline

(defun parstate->tokens-unread$inline (parstate)
  (declare (xargs :stobjs (parstate)))
  (declare (xargs :guard t))
  (mbe :logic
       (if (parstatep parstate)
           (raw-parstate->tokens-unread parstate)
         0)
       :exec (raw-parstate->tokens-unread parstate)))

Theorem: natp-of-parstate->tokens-unread

(defthm natp-of-parstate->tokens-unread
  (b* ((tokens-unread (parstate->tokens-unread$inline parstate)))
    (natp tokens-unread))
  :rule-classes (:rewrite :type-prescription))