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Program-execution

Read-file-into-byte-list

Signature
(read-file-into-byte-list filename state) → (mv file-contents state)
Arguments: filename — Guard (stringp filename).
Returns: file-contents — Type (byte-listp file-contents), given (and (stringp filename) (state-p1 state)).; state — Type (state-p1 state), given (and (stringp filename) (state-p1 state)).

Definitions and Theorems

Function: read-file-into-byte-list

(defun read-file-into-byte-list (filename state)
  (declare (xargs :stobjs (state)))
  (declare (xargs :guard (stringp filename)))
  (let ((__function__ 'read-file-into-byte-list))
    (declare (ignorable __function__))
    (b* (((mv channel state)
          (open-input-channel filename
                              :byte state))
         ((when (not channel)) (mv nil state))
         ((mv file-contents state)
          (read-channel-into-byte-list channel nil state))
         (state (close-input-channel channel state)))
      (mv (reverse file-contents) state))))

Theorem: byte-listp-of-read-file-into-byte-list.file-contents

(defthm byte-listp-of-read-file-into-byte-list.file-contents
  (implies (and (stringp filename)
                (state-p1 state))
           (b* (((mv ?file-contents acl2::?state)
                 (read-file-into-byte-list filename state)))
             (byte-listp file-contents)))
  :rule-classes :rewrite)

Theorem: state-p1-of-read-file-into-byte-list.state

(defthm state-p1-of-read-file-into-byte-list.state
  (implies (and (stringp filename)
                (state-p1 state))
           (b* (((mv ?file-contents acl2::?state)
                 (read-file-into-byte-list filename state)))
             (state-p1 state)))
  :rule-classes :rewrite)