Skip to content

lispy.el (lispy--read): Support Guix G-expressions #17

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
wants to merge 1 commit into
base: master
Choose a base branch
from
Draft

lispy.el (lispy--read): Support Guix G-expressions #17

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
23 changes: 23 additions & 0 deletions lispy-test.el
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1866,6 +1866,29 @@ Insert KEY if there's no command."
(should (equal
(lispy--read "#m(foo bar)")
'(ly-raw lisp-macro "#m(foo bar)")))
;; Guix gexp
(cl-flet ((test-gexp (expected)
(let ((actual (lispy--read
(with-temp-buffer
(scheme-mode)
(insert expected)
(buffer-string))))
(expected `(ly-raw lisp-macro ,expected)))
(should (equal actual expected)))))
;; gexp
(test-gexp "#~a")
;; ungexp
(test-gexp "#$a")
;; ungexp
(test-gexp "#$a:b")
;; ungexp-splicing
(test-gexp "#$@a")
;; ungexp-native
(test-gexp "#+a")
;; ungexp-native
(test-gexp "#+a:b")
;; ungexp-native-splicing
(test-gexp "#+@a"))
(should (equal
(lispy--read ",(or body)")
'(ly-raw \, (or body))))
Expand Down
20 changes: 20 additions & 0 deletions lispy.el
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7322,6 +7322,26 @@ See https://clojure.org/guides/weird_characters#_character_literal.")
beg (point))))
(delete-region beg (point))
(insert rep))))
;; ——— Guix gexp (in Guile Scheme)
;; Ref https://guix.gnu.org/manual/devel/en/html_node/G_002dExpressions.html#index-_0023_007eexp
;;
;; This is a regular symbol, but as the result here is passed to
;; `read', we have to use another construct.
;;
;; Matches
;; - gexp :: #~
;; - ungexp :: #$
;; - ungexp-splicing :: #$@
;; - ungexp-native :: #+
;; - ungexp-native-splicing #+@
(when (eq major-mode 'scheme-mode)
(goto-char (point-min))
(while (re-search-forward "\\(#~\\|#\\$\\|#\\$@\\|#+\\|#+@\\)" nil t)
(unless (lispy--in-string-or-comment-p)
(save-excursion
(forward-sexp)
(insert "\")"))
(insert "(ly-raw lisp-macro \""))))
;; ——— strings ————————————————
(goto-char (point-min))
(while (re-search-forward "\"" nil t)
Expand Down