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;;; display-commentary --- As advertized
;; Copyright (C) 2001, 2006 Free Software Foundation, Inc.
;;
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public License
;; as published by the Free Software Foundation; either version 3, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; Lesser General Public License for more details.
;;
;; You should have received a copy of the GNU Lesser General Public
;; License along with this software; see the file COPYING.LESSER. If
;; not, write to the Free Software Foundation, Inc., 51 Franklin
;; Street, Fifth Floor, Boston, MA 02110-1301 USA
;;; Author: Thien-Thi Nguyen
;;; Commentary:
;; Usage: display-commentary REF1 REF2 ...
;;
;; Display Commentary section from REF1, REF2 and so on.
;; Each REF may be a filename or module name (list of symbols).
;; In the latter case, a filename is computed by searching `%load-path'.
;;; Code:
(define-module (scripts display-commentary)
:use-module (ice-9 documentation)
:export (display-commentary))
(define (display-commentary-one file)
(format #t "~A commentary:\n~A" file (file-commentary file)))
(define (module-name->filename-frag ls) ; todo: export or move
(let ((ls (map symbol->string ls)))
(let loop ((ls (cdr ls)) (acc (car ls)))
(if (null? ls)
acc
(loop (cdr ls) (string-append acc "/" (car ls)))))))
(define (display-module-commentary module-name)
(cond ((%search-load-path (module-name->filename-frag module-name))
=> (lambda (file)
(format #t "module ~A\n" module-name)
(display-commentary-one file)))))
(define (display-commentary . refs)
(for-each (lambda (ref)
(cond ((string? ref)
(if (equal? 0 (string-index ref #\())
(display-module-commentary
(with-input-from-string ref read))
(display-commentary-one ref)))
((list? ref)
(display-module-commentary ref))))
refs))
(define main display-commentary)
;;; display-commentary ends here
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