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;;; ccwl --- Concise Common Workflow Language
;;; Copyright © 2021 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; This file is part of ccwl.
;;;
;;; ccwl is free software: you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation, either version 3 of the License, or
;;; (at your option) any later version.
;;;
;;; ccwl 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
;;; General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with ccwl. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This script scans source files and prints dependencies for make to
;; pick up.
;;; Code:
(use-modules (srfi srfi-1)
(srfi srfi-171)
(ice-9 match)
(skribilo reader skribe))
(define (skribilo-document file)
"Read skribilo FILE and return the document form."
(call-with-input-file file
(lambda (port)
(port-transduce (tfilter (match-lambda
(('document _ ...) #t)
(_ #f)))
(rany identity)
(make-skribe-reader)
port))))
(define (find-dependencies document)
"Return a list of dependencies of the skribilo form DOCUMENT. Each
dependency is of the form (tag . file). tag may either be the symbol
'image or the symbol 'other."
(match document
(('image args ...)
(apply (lambda* (#:key file #:allow-other-keys)
`((image . ,file)))
args))
(('source args ...)
(apply (lambda* (#:key file #:allow-other-keys)
`((other . ,file)))
args))
(('scheme-source file)
`((other . ,file)))
(('source-ref file _ ...)
`((other . ,file)))
((elements ...)
(append-map find-dependencies elements))
(atom '())))
;; Print dependencies
(let ((dependencies
(find-dependencies (skribilo-document "doc/ccwl.skb"))))
(format #t "DOC_IMAGES = ~a~%"
(string-join (filter-map (match-lambda
(('image . file) file)
(_ #f))
dependencies)
" "))
(format #t "DOC_OTHER_DEPENDENCIES = ~a~%"
(string-join (filter-map (match-lambda
(('other . file) file)
(_ #f))
dependencies)
" ")))
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