(Emacs)~split literate config into separate file

1 files changed, 89 insertions, 0 deletions

diff --git a/Emacs/.config/emacs/elisp/literate.el b/Emacs/.config/emacs/elisp/literate.el
new file mode 100644
index 0000000..bb34ae9
--- /dev/null
+++ b/Emacs/.config/emacs/elisp/literate.el
@@ -0,0 +1,89 @@
+;;; literate.el --- My literate configuration setup  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2023  Aryadev Chavali
+
+;; Author: Aryadev Chavali <aryadev@aryadevchavali.com>
+;; Keywords:
+
+;; 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:
+
+;;
+
+;;; Code:
+
+(defun +literate/filter (predicate list)
+  (if (null list)
+      nil
+    (let ((first (car list))
+	        (tail (cdr list)))
+      (if (funcall predicate first)
+	        (cons first (+literate/filter predicate tail))
+	      (+literate/filter predicate tail)))))
+
+(defconst +literate/org-files (list (concat user-emacs-directory "config.org")))
+
+(defconst +literate/output-files
+  (mapcar #'(lambda (x) (replace-regexp-in-string ".org" ".el" x)) +literate/org-files))
+
+(defconst +literate/elisp-files
+  `(,(concat user-emacs-directory "early-init.el")
+    ,(concat user-emacs-directory "init.el")
+    ,@(mapcar #'(lambda (name) (concat user-emacs-directory "elisp/" name))
+              ;; Only take .el files
+              (+literate/filter
+	             (lambda (name) (string= "el" (file-name-extension name)))
+               (cddr (directory-files (concat user-emacs-directory "elisp/")))))))
+
+(defconst +literate/elisp-byte-compiled
+  `(,@(mapcar #'(lambda (x) (replace-regexp-in-string ".el" ".elc" x)) +literate/output-files)
+    ,@(mapcar #'(lambda (x) (replace-regexp-in-string ".el" ".elc" x)) +literate/elisp-files)))
+
+;; Setup predicates and loading
+
+(defun +literate/--reduce-bool (bools init)
+  (if (= (length bools) 0)
+      init
+    (+literate/--reduce-bool (cdr bools) (and (car bools) init))))
+
+(defun +literate/output-files-exist ()
+  "Checks if output files exist, for compilation purposes."
+  (if (< 1 (length +literate/output-files))
+      (+literate/--reduce-bool (mapc #'file-exists-p +literate/output-files) t)
+    (file-exists-p (car +literate/output-files))))
+
+(defun +literate/load-config ()
+  "Load all files in +literate/output-files."
+  (interactive)
+  (mapc #'(lambda (x) (load-file x)) +literate/output-files))
+
+(autoload #'org-babel-tangle-file "ob-tangle")
+
+(defun +literate/compile-config ()
+  "Compile all files in +literate/org-files via org-babel-tangle."
+  (interactive)
+  (message "Compiling files...")
+  (mapc #'org-babel-tangle-file +literate/org-files)
+  (message "Files compiled")
+
+  (message "Byte-compiling literate files...")
+  (mapc #'(lambda (file) (byte-compile-file file)) +literate/output-files)
+  (message "Literate files byte-compiled")
+  (message "Byte compiling init.el, early-init.el, elisp/*")
+  (mapc #'(lambda (file) (byte-compile-file file)) +literate/elisp-files)
+  (message "Finishied byte-compiling"))
+
+(provide 'literate)
+;;; literate.el ends here