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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:59:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:59:15 +0000 |
commit | 8de1ee1b2b676b0d07586f0752750dd6b0fb7511 (patch) | |
tree | dd46fd7dc3863045696cd0e48032d8a36fa0daf5 /tests/gpgscm/makefile.scm | |
parent | Initial commit. (diff) | |
download | gnupg2-upstream.tar.xz gnupg2-upstream.zip |
Adding upstream version 2.2.27.upstream/2.2.27upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/gpgscm/makefile.scm')
-rw-r--r-- | tests/gpgscm/makefile.scm | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/tests/gpgscm/makefile.scm b/tests/gpgscm/makefile.scm new file mode 100644 index 0000000..32fae3a --- /dev/null +++ b/tests/gpgscm/makefile.scm @@ -0,0 +1,76 @@ +;; 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))) |