1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
| | ;;; guix-geiser.el --- Interacting with Geiser
;; Copyright © 2015 Alex Kost <alezost@gmail.com>
;; This file is part of GNU Guix.
;; GNU Guix 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.
;; GNU Guix 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/>.
;;; Commentary:
;; This file provides functions to evaluate guile code using Geiser.
;;; Code:
(require 'geiser-mode)
(require 'guix-guile)
(defun guix-geiser-repl ()
"Return the current Geiser REPL."
(or geiser-repl--repl
(geiser-repl--repl/impl 'guile)
(error "Geiser REPL not found")))
(defun guix-geiser-eval (str &optional wrap repl)
"Evaluate STR with guile expression using Geiser REPL.
If REPL is nil, use the current Geiser REPL.
If WRAP is non-nil, wrap STR into (begin ...) form.
Return a list of strings with result values of evaluation."
(with-current-buffer (or repl (guix-geiser-repl))
(let* ((wrapped (if wrap (geiser-debug--wrap-region str) str))
(code `(:eval (:scm ,wrapped)))
(ret (geiser-eval--send/wait code)))
(if (geiser-eval--retort-error ret)
(error "Error in evaluating guile expression: %s"
(geiser-eval--retort-output ret))
(cdr (assq 'result ret))))))
(defun guix-geiser-eval-read (str &optional wrap repl)
"Evaluate STR with guile expression using Geiser REPL.
For the meaning of WRAP, see `guix-geiser-eval'.
Return elisp expression of the first result value of evaluation."
;; Parsing scheme code with elisp `read' is probably not the best idea.
(read (replace-regexp-in-string
"#f\\|#<unspecified>" "nil"
(replace-regexp-in-string
"#t" "t" (car (guix-geiser-eval str wrap repl))))))
(defun guix-geiser-eval-in-repl (str &optional repl)
"Switch to Geiser REPL and evaluate STR with guile expression there."
(if repl
(geiser-repl--switch-to-buffer repl)
(geiser--go-to-repl))
(geiser-repl--send str))
(defun guix-geiser-call (proc &rest args)
"Call (PROC ARGS ...) synchronously using the current Geiser REPL.
PROC and ARGS should be strings."
(guix-geiser-eval
(apply #'guix-guile-make-call-expression proc args)))
(defun guix-geiser-call-in-repl (proc &rest args)
"Call (PROC ARGS ...) in the current Geiser REPL.
PROC and ARGS should be strings."
(guix-geiser-eval-in-repl
(apply #'guix-guile-make-call-expression proc args)))
(provide 'guix-geiser)
;;; guix-geiser.el ends here
|