Variable: files--name-of-loading-file
files--name-of-loading-file is a buffer-local variable defined in
files.el.gz.
Documentation
File name of the file loaded/evaluated in the buffer.
Source Code
;; Defined in /usr/src/emacs/lisp/files.el.gz
(defvar-local files--name-of-loading-file nil
"File name of the file loaded/evaluated in the buffer.")