Init-Files/site-lisp/cider-buck.el

68 lines
2.3 KiB
EmacsLisp

;;; cider-buck.el --- Cider + Buck = Love -*- lexical-binding: t; -*-
;; Copyright (C) 2019 John Doty
;; Author: doty <doty@fb.com>
;; Keywords: languages, clojure, cider
;; This program 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.
;; This program 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This is just a bunch of funcitons to make cider work well with a buck
;; project.
;;; Code:
(defun cider-buck--nrepl-target ()
"Get the nrepl buck target of the specified file name."
(let ((src-file (file-local-name (buffer-file-name (current-buffer)))))
(prin1 src-file)
(with-temp-buffer
(let ((status (process-file "buck" nil (current-buffer) nil
"query" "owner('%s')" src-file)))
(unless (eq status 0)
(error (buffer-string)))
(goto-char (point-min))
(while (re-search-forward "__source-java[0-9]+$" nil t)
(replace-match "_nrepl"))
(goto-char (point-min))
(buffer-substring (point-min) (line-end-position))))))
(defun cider-buck--jack-in-cmd ()
"Get it."
(concat "buck run " (cider-buck--nrepl-target) " -- --middleware '["
(mapconcat (apply-partially #'format "\"%s\"")
(cider-jack-in-normalized-nrepl-middlewares)
", ")
"]'"))
(defun cider-buck--project-dir ()
"Get the project dir by looking for a targets file."
(locate-dominating-file (buffer-file-name (current-buffer)) "TARGETS"))
(defun cider-buck-jack-in ()
"Start an nREPL server for the current file and connect to it."
(interactive)
(nrepl-start-server-process
(cider-buck--project-dir)
(cider-buck--jack-in-cmd)
(lambda (server-buffer)
(cider-connect-sibling-clj () server-buffer))))
(provide 'cider-buck)
;;; cider-buck.el ends here