From d2ce3f9eee34e380536049c0c9d26ed66273f094 Mon Sep 17 00:00:00 2001 From: Justus Winter Date: Wed, 6 Jan 2016 11:55:25 +0100 Subject: tests/gpgscm: Add a TinySCHEME-based test driver. * configure.ac: Add new component. * tests/Makefile.am: Likewise. * tests/gpgscm/Makefile.am: New file. * tests/gpgscm/ffi-private.h: Likewise. * tests/gpgscm/ffi.c: Likewise. * tests/gpgscm/ffi.h: Likewise. * tests/gpgscm/ffi.scm: Likewise. * tests/gpgscm/lib.scm: Likewise. * tests/gpgscm/main.c: Likewise. * tests/gpgscm/private.h: Likewise. * tests/gpgscm/repl.scm: Likewise. * tests/gpgscm/scheme-config.h: Likewise. * tests/gpgscm/t-child.c: Likewise. * tests/gpgscm/t-child.scm: Likewise. * tests/gpgscm/tests.scm: Likewise. Signed-off-by: Justus Winter --- tests/gpgscm/repl.scm | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 tests/gpgscm/repl.scm (limited to 'tests/gpgscm/repl.scm') diff --git a/tests/gpgscm/repl.scm b/tests/gpgscm/repl.scm new file mode 100644 index 000000000..896554faf --- /dev/null +++ b/tests/gpgscm/repl.scm @@ -0,0 +1,50 @@ +;; 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 . + +;; Interactive repl using 'prompt' function. P must be a function +;; that given the current entered prefix returns the prompt to +;; display. +(define (repl p) + (let ((repl-environment (make-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 (echo "Error:" *error*) + (echo " ===>" (eval c repl-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) + (repl (lambda (p) (prompt-append-prefix "gpgscm " p)))) -- cgit v1.2.3