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Diffstat (limited to 'cider-compat.el')
| -rw-r--r-- | cider-compat.el | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/cider-compat.el b/cider-compat.el deleted file mode 100644 index ec928dfd..00000000 --- a/cider-compat.el +++ /dev/null @@ -1,185 +0,0 @@ -;;; cider-compat.el --- Functions from newer Emacs versions for compatibility -*- lexical-binding: t -*- - -;; Copyright © 2012-2013 Tim King, Phil Hagelberg, Bozhidar Batsov -;; Copyright © 2013-2018 Bozhidar Batsov, Artur Malabarba and CIDER contributors -;; - -;; 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 <http://www.gnu.org/licenses/>. - -;; This file is not part of GNU Emacs. - -;;; Commentary: - -;; Pretty much everything here's copied from subr-x for compatibility with -;; Emacs 24.4. - -;;; Code: - -(eval-and-compile - - (unless (fboundp 'internal--thread-argument) - (defmacro internal--thread-argument (first? &rest forms) - "Internal implementation for `thread-first' and `thread-last'. -When Argument FIRST? is non-nil argument is threaded first, else -last. FORMS are the expressions to be threaded." - (pcase forms - (`(,x (,f . ,args) . ,rest) - `(internal--thread-argument - ,first? ,(if first? `(,f ,x ,@args) `(,f ,@args ,x)) ,@rest)) - (`(,x ,f . ,rest) `(internal--thread-argument ,first? (,f ,x) ,@rest)) - (_ (car forms))))) - - (unless (fboundp 'thread-first) - (defmacro thread-first (&rest forms) - "Thread FORMS elements as the first argument of their successor. -Example: - (thread-first - 5 - (+ 20) - (/ 25) - - - (+ 40)) -Is equivalent to: - (+ (- (/ (+ 5 20) 25)) 40) -Note how the single `-' got converted into a list before -threading." - (declare (indent 1) - (debug (form &rest [&or symbolp (sexp &rest form)]))) - `(internal--thread-argument t ,@forms))) - - (unless (fboundp 'thread-last) - (defmacro thread-last (&rest forms) - "Thread FORMS elements as the last argument of their successor. -Example: - (thread-last - 5 - (+ 20) - (/ 25) - - - (+ 40)) -Is equivalent to: - (+ 40 (- (/ 25 (+ 20 5)))) -Note how the single `-' got converted into a list before -threading." - (declare (indent 1) (debug thread-first)) - `(internal--thread-argument nil ,@forms)))) - - -(eval-and-compile - - (unless (fboundp 'internal--listify) - - (defsubst internal--listify (elt) - "Wrap ELT in a list if it is not one." - (if (not (listp elt)) - (list elt) - elt))) - - (unless (fboundp 'internal--check-binding) - - (defsubst internal--check-binding (binding) - "Check BINDING is properly formed." - (when (> (length binding) 2) - (signal - 'error - (cons "`let' bindings can have only one value-form" binding))) - binding)) - - (unless (fboundp 'internal--build-binding-value-form) - - (defsubst internal--build-binding-value-form (binding prev-var) - "Build the conditional value form for BINDING using PREV-VAR." - `(,(car binding) (and ,prev-var ,(cadr binding))))) - - (unless (fboundp 'internal--build-binding) - - (defun internal--build-binding (binding prev-var) - "Check and build a single BINDING with PREV-VAR." - (thread-first - binding - internal--listify - internal--check-binding - (internal--build-binding-value-form prev-var)))) - - (unless (fboundp 'internal--build-bindings) - - (defun internal--build-bindings (bindings) - "Check and build conditional value forms for BINDINGS." - (let ((prev-var t)) - (mapcar (lambda (binding) - (let ((binding (internal--build-binding binding prev-var))) - (setq prev-var (car binding)) - binding)) - bindings))))) - -(eval-and-compile - - (unless (fboundp 'if-let*) - (defmacro if-let* (bindings then &rest else) - "Process BINDINGS and if all values are non-nil eval THEN, else ELSE. -Argument BINDINGS is a list of tuples whose car is a symbol to be -bound and (optionally) used in THEN, and its cadr is a sexp to be -evalled to set symbol's value." - (declare (indent 2) - (debug ([&or (&rest (symbolp form)) (symbolp form)] form body))) - `(let* ,(internal--build-bindings bindings) - (if ,(car (internal--listify (car (last bindings)))) - ,then - ,@else)))) - - (unless (fboundp 'when-let*) - (defmacro when-let* (bindings &rest body) - "Process BINDINGS and if all values are non-nil eval BODY. -Argument BINDINGS is a list of tuples whose car is a symbol to be -bound and (optionally) used in BODY, and its cadr is a sexp to be -evalled to set symbol's value." - (declare (indent 1) (debug if-let*)) - `(if-let* ,bindings ,(macroexp-progn body))))) - -(eval-and-compile - - (with-no-warnings - (unless (fboundp 'directory-files-recursively) - (defun directory-files-recursively (dir regexp &optional include-directories) - "Return list of all files under DIR that have file names matching REGEXP. -This function works recursively. Files are returned in \"depth first\" -order, and files from each directory are sorted in alphabetical order. -Each file name appears in the returned list in its absolute form. -Optional argument INCLUDE-DIRECTORIES non-nil means also include in the -output directories whose names match REGEXP." - (let ((result nil) - (files nil) - ;; When DIR is "/", remote file names like "/method:" could - ;; also be offered. We shall suppress them. - (tramp-mode (and tramp-mode (file-remote-p (expand-file-name dir))))) - (dolist (file (sort (file-name-all-completions "" dir) - 'string<)) - (unless (member file '("./" "../")) - (if (directory-name-p file) - (let* ((leaf (substring file 0 (1- (length file)))) - (full-file (expand-file-name leaf dir))) - ;; Don't follow symlinks to other directories. - (unless (file-symlink-p full-file) - (setq result - (nconc result (directory-files-recursively - full-file regexp include-directories)))) - (when (and include-directories - (string-match regexp leaf)) - (setq result (nconc result (list full-file))))) - (when (string-match regexp file) - (push (expand-file-name file dir) files))))) - (nconc result (nreverse files))))))) - -(provide 'cider-compat) -;;; cider-compat.el ends here |