From 187f80c6c542bc65486ef600aa3af96f7173f4fa Mon Sep 17 00:00:00 2001 From: Alex Kost Date: Fri, 24 Jul 2015 18:33:14 +0300 Subject: emacs: Add development utils. * emacs/guix-guile.el (guix-guile-current-module): New function. * emacs/guix-devel.el: New file. * emacs.am (ELFILES): Add it. * doc/emacs.texi (Emacs Development): New node. (Emacs Interface): Add it. * doc/contributing.texi (The Perfect Setup): Mention it. * doc/guix.texi (Top): Add it. * emacs/guix-init.el: Add 'guix-devel-activate-mode-maybe' to 'scheme-mode-hook'. --- emacs/guix-devel.el | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++ emacs/guix-guile.el | 13 ++++++++ emacs/guix-init.el | 2 ++ 3 files changed, 111 insertions(+) create mode 100644 emacs/guix-devel.el (limited to 'emacs') diff --git a/emacs/guix-devel.el b/emacs/guix-devel.el new file mode 100644 index 0000000000..ed82e330de --- /dev/null +++ b/emacs/guix-devel.el @@ -0,0 +1,96 @@ +;;; guix-devel.el --- Development tools -*- lexical-binding: t -*- + +;; Copyright © 2015 Alex Kost + +;; 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 . + +;;; Commentary: + +;; This file provides commands useful for developing Guix (or even +;; arbitrary Guile code) with Geiser. + +;;; Code: + +(require 'guix-guile) +(require 'guix-geiser) +(require 'guix-utils) + +(defgroup guix-devel nil + "Settings for Guix development utils." + :group 'guix) + +(defcustom guix-devel-activate-mode t + "If non-nil, then `guix-devel-mode' is automatically activated +in Scheme buffers." + :type 'boolean + :group 'guix-devel) + +(defun guix-devel-use-modules (&rest modules) + "Use guile MODULES." + (apply #'guix-geiser-call "use-modules" modules)) + +(defun guix-devel-use-module (&optional module) + "Use guile MODULE in the current Geiser REPL. +MODULE is a string with the module name - e.g., \"(ice-9 match)\". +Interactively, use the module defined by the current scheme file." + (interactive (list (guix-guile-current-module))) + (guix-devel-use-modules module) + (message "Using %s module." module)) + +(defun guix-devel-copy-module-as-kill () + "Put the name of the current guile module into `kill-ring'." + (interactive) + (guix-copy-as-kill (guix-guile-current-module))) + +(defvar guix-devel-keys-map + (let ((map (make-sparse-keymap))) + (define-key map (kbd "k") 'guix-devel-copy-module-as-kill) + (define-key map (kbd "u") 'guix-devel-use-module) + map) + "Keymap with subkeys for `guix-devel-mode-map'.") + +(defvar guix-devel-mode-map + (let ((map (make-sparse-keymap))) + (define-key map (kbd "C-c .") guix-devel-keys-map) + map) + "Keymap for `guix-devel-mode'.") + +;;;###autoload +(define-minor-mode guix-devel-mode + "Minor mode for `scheme-mode' buffers. + +With a prefix argument ARG, enable the mode if ARG is positive, +and disable it otherwise. If called from Lisp, enable the mode +if ARG is omitted or nil. + +When Guix Devel mode is enabled, it provides the following key +bindings: + +\\{guix-devel-mode-map}" + :init-value nil + :lighter " Guix" + :keymap guix-devel-mode-map) + +;;;###autoload +(defun guix-devel-activate-mode-maybe () + "Activate `guix-devel-mode' depending on +`guix-devel-activate-mode' variable." + (when guix-devel-activate-mode + (guix-devel-mode))) + +(provide 'guix-devel) + +;;; guix-devel.el ends here diff --git a/emacs/guix-guile.el b/emacs/guix-guile.el index cff9bd4e9b..c21d27fca2 100644 --- a/emacs/guix-guile.el +++ b/emacs/guix-guile.el @@ -24,6 +24,19 @@ ;;; Code: +(require 'geiser-guile) + +(defun guix-guile-current-module () + "Return a string with the current guile module. +Return nil, if current buffer does not define a module." + ;; Modified version of `geiser-guile--get-module'. + (save-excursion + (geiser-syntax--pop-to-top) + (when (or (re-search-backward geiser-guile--module-re nil t) + (looking-at geiser-guile--library-re) + (re-search-forward geiser-guile--module-re nil t)) + (match-string-no-properties 1)))) + (defun guix-guile-make-call-expression (proc &rest args) "Return \"(PROC ARGS ...)\" string. PROC and ARGS should be strings." diff --git a/emacs/guix-init.el b/emacs/guix-init.el index 3a727c7eb6..96aa0c2ffc 100644 --- a/emacs/guix-init.el +++ b/emacs/guix-init.el @@ -12,4 +12,6 @@ avoid loading autoloads of Emacs packages installed in (require 'guix-emacs) (guix-emacs-load-autoloads 'all)) +(add-hook 'scheme-mode-hook 'guix-devel-activate-mode-maybe) + (provide 'guix-init) -- cgit v1.2.3