;;; guix-guile.el --- Auxiliary tools for working with guile code -*- 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 functions for parsing guile code, making guile ;; expressions, etc. ;;; Code: (require 'geiser-guile) (defvar guix-guile-definition-regexp (rx bol "(define" (zero-or-one "*") (zero-or-one "-public") (one-or-more space) (zero-or-one "(") (group (one-or-more (or word (syntax symbol))))) "Regexp used to find the guile definition.") (defun guix-guile-current-definition () "Return string with name of the current top-level guile definition." (save-excursion (beginning-of-defun) (if (looking-at guix-guile-definition-regexp) (match-string-no-properties 1) (error "Couldn't find the current definition")))) (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-boolean (arg) "Return a string with guile boolean value. Transform elisp ARG (nil or non-nil) to the guile boolean (#f or #t)." (if arg "#t" "#f")) (defun guix-guile-keyword-regexp (keyword) "Return regexp to find guile KEYWORD." (format "(\\(%s\\)\\_>" keyword)) (defun guix-guile-make-call-expression (proc &rest args) "Return \"(PROC ARGS ...)\" string. PROC and ARGS should be strings." (format "(%s %s)" proc (mapconcat #'identity args " "))) (defun guix-make-guile-expression (fun &rest args) "Return string containing a guile expression for calling FUN with ARGS." (format "(%S %s)" fun (mapconcat (lambda (arg) (cond ((null arg) "'()") ((or (eq arg t) ;; An ugly hack to separate 'false' from nil. (equal arg 'f) (keywordp arg)) (concat "#" (prin1-to-string arg t))) ((or (symbolp arg) (listp arg)) (concat "'" (prin1-to-string arg))) (t (prin1-to-string arg)))) args " "))) (defun guix-guile-prompt? (string) "Return non-nil, if STRING contains a Guile prompt." (or (string-match-p geiser-guile--prompt-regexp string) (string-match-p geiser-guile--debugger-prompt-regexp string))) (provide 'guix-guile) ;;; guix-guile.el ends here 3. Signed-off-by: Efraim Flashner <efraim@flashner.co.il> John J Foerch 2015-11-13gnu: Adjust formatting as recommended by 'guix lint'....宋文武 2015-10-22gnu: conkeror: Upgrade to 1.0pre1.20150730....Eric Bavier