mirror of
git://git.gnupg.org/gnupg.git
synced 2024-10-31 20:08:43 +01:00
78d6a25a2d
* tests/gpgme/gpgme-defs.scm (parse-makefile, parse-makefile-expand): Move... * tests/gpgscm/makefile.scm: ... here. * tests/gpgscm/Makefile.am (EXTRA_DIST): Add new file. Signed-off-by: Justus Winter <justus@g10code.com>
77 lines
2.5 KiB
Scheme
77 lines
2.5 KiB
Scheme
;; Support for parsing Makefiles
|
|
;;
|
|
;; Copyright (C) 2016 g10 Code GmbH
|
|
;;
|
|
;; This file is part of GnuPG.
|
|
;;
|
|
;; GnuPG 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.
|
|
;;
|
|
;; GnuPG 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 this program; if not, see <http://www.gnu.org/licenses/>.
|
|
|
|
(define (parse-makefile port key)
|
|
(define (is-continuation? tokens)
|
|
(string=? (last tokens) "\\"))
|
|
(define (valid-token? s)
|
|
(< 0 (string-length s)))
|
|
(define (drop-continuations tokens)
|
|
(let loop ((acc '()) (tks tokens))
|
|
(if (null? tks)
|
|
(reverse acc)
|
|
(loop (if (string=? "\\" (car tks))
|
|
acc
|
|
(cons (car tks) acc)) (cdr tks)))))
|
|
(let next ((acc '()) (found #f))
|
|
(let ((line (read-line port)))
|
|
(if (eof-object? line)
|
|
acc
|
|
(let ((tokens (filter valid-token?
|
|
(string-splitp (string-trim char-whitespace?
|
|
line)
|
|
char-whitespace? -1))))
|
|
(cond
|
|
((or (null? tokens)
|
|
(string-prefix? (car tokens) "#")
|
|
(and (not found) (not (and (string=? key (car tokens))
|
|
(string=? "=" (cadr tokens))))))
|
|
(next acc found))
|
|
((not found)
|
|
(assert (and (string=? key (car tokens))
|
|
(string=? "=" (cadr tokens))))
|
|
(if (is-continuation? tokens)
|
|
(next (drop-continuations (cddr tokens)) #t)
|
|
(drop-continuations (cddr tokens))))
|
|
(else
|
|
(assert found)
|
|
(if (is-continuation? tokens)
|
|
(next (append acc (drop-continuations tokens)) found)
|
|
(append acc (drop-continuations tokens))))))))))
|
|
|
|
(define (parse-makefile-expand filename expand key)
|
|
(define (variable? v)
|
|
(and (string-prefix? v "$(") (string-suffix? v ")")))
|
|
|
|
(let expand-all ((values (parse-makefile (open-input-file filename) key)))
|
|
(if (any variable? values)
|
|
(expand-all
|
|
(let expand-one ((acc '()) (v values))
|
|
(cond
|
|
((null? v)
|
|
acc)
|
|
((variable? (car v))
|
|
(let ((makefile (open-input-file filename))
|
|
(key (substring (car v) 2 (- (string-length (car v)) 1))))
|
|
(expand-one (append acc (expand filename makefile key))
|
|
(cdr v))))
|
|
(else
|
|
(expand-one (append acc (list (car v))) (cdr v))))))
|
|
values)))
|