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Preprocessor-printer

Pprint-h-char-list

Print a list of characters usable in header names between angle brackets, after preprocessing.

Signature
(pprint-h-char-list hchars bytes) → new-bytes
Arguments: hchars — Guard (h-char-listp hchars).; bytes — Guard (byte-listp bytes).
Returns: new-bytes — Type (byte-listp new-bytes).

Definitions and Theorems

Function: pprint-h-char-list

(defun pprint-h-char-list (hchars bytes)
  (declare (xargs :guard (and (h-char-listp hchars)
                              (byte-listp bytes))))
  (b* (((when (endp hchars))
        (byte-list-fix bytes))
       (bytes (pprint-h-char (car hchars) bytes)))
    (pprint-h-char-list (cdr hchars)
                        bytes)))

Theorem: byte-listp-of-pprint-h-char-list

(defthm byte-listp-of-pprint-h-char-list
  (b* ((new-bytes (pprint-h-char-list hchars bytes)))
    (byte-listp new-bytes))
  :rule-classes :rewrite)