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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:14:06 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:14:06 +0000 |
commit | eee068778cb28ecf3c14e1bf843a95547d72c42d (patch) | |
tree | 0e07b30ddc5ea579d682d5dbe57998200d1c9ab7 /tests/gpgscm/repl.scm | |
parent | Initial commit. (diff) | |
download | gnupg2-eee068778cb28ecf3c14e1bf843a95547d72c42d.tar.xz gnupg2-eee068778cb28ecf3c14e1bf843a95547d72c42d.zip |
Adding upstream version 2.2.40.upstream/2.2.40
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/gpgscm/repl.scm')
-rw-r--r-- | tests/gpgscm/repl.scm | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/gpgscm/repl.scm b/tests/gpgscm/repl.scm new file mode 100644 index 0000000..833ec0d --- /dev/null +++ b/tests/gpgscm/repl.scm @@ -0,0 +1,69 @@ +;; A read-evaluate-print-loop for gpgscm. +;; +;; 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/>. + +;; Interactive repl using 'prompt' function. P must be a function +;; that given the current entered prefix returns the prompt to +;; display. +(define (repl p environment) + (call/cc + (lambda (exit) + (let loop ((prefix "")) + (let ((line (prompt (p prefix)))) + (if (and (not (eof-object? line)) (= 0 (string-length line))) + (exit (loop prefix))) + (if (not (eof-object? line)) + (let* ((next (string-append prefix line)) + (c (catch (begin (echo "Parse error:" *error*) + (loop prefix)) + (read (open-input-string next))))) + (if (not (eof-object? c)) + (begin + (catch (begin + (display (car *error*)) + (when (and (cadr *error*) + (not (null? (cadr *error*)))) + (display ": ") + (write (cadr *error*))) + (newline) + (vm-history-print (caddr *error*))) + (echo " ===>" (eval c environment))) + (exit (loop "")))) + (exit (loop next))))))))) + +(define (prompt-append-prefix prompt prefix) + (string-append prompt (if (> (string-length prefix) 0) + (string-append prefix "...") + "> "))) + +;; Default repl run by main.c. +(define (interactive-repl . environment) + (repl (lambda (p) (prompt-append-prefix "gpgscm " p)) + (if (null? environment) (interaction-environment) (car environment)))) + +;; Ask a yes/no question. +(define (prompt-yes-no? question default) + (let ((answer (prompt (string-append question "? [" + (if default "Y/n" "y/N") "] ")))) + (cond + ((= 0 (string-length answer)) + default) + ((or (equal? "y" answer) (equal? "Y" answer)) + #t) + (else + #f)))) |