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Diffstat (limited to 'configs/shared/.emacs.d/vendor/refmt.el')
| -rw-r--r-- | configs/shared/.emacs.d/vendor/refmt.el | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/configs/shared/.emacs.d/vendor/refmt.el b/configs/shared/.emacs.d/vendor/refmt.el deleted file mode 100644 index b9ea2b43f0ce..000000000000 --- a/configs/shared/.emacs.d/vendor/refmt.el +++ /dev/null @@ -1,231 +0,0 @@ -;;; refmt.el --- utility functions to format reason code - -;; Copyright (c) 2014 The go-mode Authors. All rights reserved. -;; Portions Copyright (c) 2015-present, Facebook, Inc. All rights reserved. - -;; Redistribution and use in source and binary forms, with or without -;; modification, are permitted provided that the following conditions are -;; met: - -;; * Redistributions of source code must retain the above copyright -;; notice, this list of conditions and the following disclaimer. -;; * Redistributions in binary form must reproduce the above -;; copyright notice, this list of conditions and the following disclaimer -;; in the documentation and/or other materials provided with the -;; distribution. -;; * Neither the name of the copyright holder nor the names of its -;; contributors may be used to endorse or promote products derived from -;; this software without specific prior written permission. - -;; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -;; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -;; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -;; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -;; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -;; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -;; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -;; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -;; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -;; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -;; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.) - -;;; Commentary: -;; - -;;; Code: - -(require 'cl-lib) - -(defcustom refmt-command "refmt" - "The 'refmt' command." - :type 'string - :group 're-fmt) - -(defcustom refmt-show-errors 'buffer - "Where to display refmt error output. -It can either be displayed in its own buffer, in the echo area, or not at all. -Please note that Emacs outputs to the echo area when writing -files and will overwrite refmt's echo output if used from inside -a `before-save-hook'." - :type '(choice - (const :tag "Own buffer" buffer) - (const :tag "Echo area" echo) - (const :tag "None" nil)) - :group 're-fmt) - -(defcustom refmt-width-mode nil - "Specify width when formatting buffer contents." - :type '(choice - (const :tag "Window width" window) - (const :tag "Fill column" fill) - (const :tag "None" nil)) - :group 're-fmt) - -;;;###autoload -(defun refmt-before-save () - "Add this to .emacs to run refmt on the current buffer when saving: - (add-hook 'before-save-hook 'refmt-before-save)." - (interactive) - (when (eq major-mode 'reason-mode) (refmt))) - -(defun reason--goto-line (line) - (goto-char (point-min)) - (forward-line (1- line))) - -(defun reason--delete-whole-line (&optional arg) - "Delete the current line without putting it in the `kill-ring'. -Derived from function `kill-whole-line'. ARG is defined as for that -function." - (setq arg (or arg 1)) - (if (and (> arg 0) - (eobp) - (save-excursion (forward-visible-line 0) (eobp))) - (signal 'end-of-buffer nil)) - (if (and (< arg 0) - (bobp) - (save-excursion (end-of-visible-line) (bobp))) - (signal 'beginning-of-buffer nil)) - (cond ((zerop arg) - (delete-region (progn (forward-visible-line 0) (point)) - (progn (end-of-visible-line) (point)))) - ((< arg 0) - (delete-region (progn (end-of-visible-line) (point)) - (progn (forward-visible-line (1+ arg)) - (unless (bobp) - (backward-char)) - (point)))) - (t - (delete-region (progn (forward-visible-line 0) (point)) - (progn (forward-visible-line arg) (point)))))) - -(defun reason--apply-rcs-patch (patch-buffer &optional start-pos) - "Apply an RCS-formatted diff from PATCH-BUFFER to the current buffer." - (setq start-pos (or start-pos (point-min))) - (let ((first-line (line-number-at-pos start-pos)) - (target-buffer (current-buffer)) - ;; Relative offset between buffer line numbers and line numbers - ;; in patch. - ;; - ;; Line numbers in the patch are based on the source file, so - ;; we have to keep an offset when making changes to the - ;; buffer. - ;; - ;; Appending lines decrements the offset (possibly making it - ;; negative), deleting lines increments it. This order - ;; simplifies the forward-line invocations. - (line-offset 0)) - (save-excursion - (with-current-buffer patch-buffer - (goto-char (point-min)) - (while (not (eobp)) - (unless (looking-at "^\\([ad]\\)\\([0-9]+\\) \\([0-9]+\\)") - (error "invalid rcs patch or internal error in reason--apply-rcs-patch")) - (forward-line) - (let ((action (match-string 1)) - (from (string-to-number (match-string 2))) - (len (string-to-number (match-string 3)))) - (cond - ((equal action "a") - (let ((start (point))) - (forward-line len) - (let ((text (buffer-substring start (point)))) - (with-current-buffer target-buffer - (cl-decf line-offset len) - (goto-char start-pos) - (forward-line (- from len line-offset)) - (insert text))))) - ((equal action "d") - (with-current-buffer target-buffer - (reason--goto-line (- (1- (+ first-line from)) line-offset)) - (cl-incf line-offset len) - (reason--delete-whole-line len))) - (t - (error "invalid rcs patch or internal error in reason--apply-rcs-patch"))))))))) - -(defun refmt--process-errors (filename tmpfile errorfile errbuf) - (with-current-buffer errbuf - (if (eq refmt-show-errors 'echo) - (progn - (message "%s" (buffer-string)) - (refmt--kill-error-buffer errbuf)) - (insert-file-contents errorfile nil nil nil) - ;; Convert the refmt stderr to something understood by the compilation mode. - (goto-char (point-min)) - (insert "refmt errors:\n") - (while (search-forward-regexp (regexp-quote tmpfile) nil t) - (replace-match (file-name-nondirectory filename))) - (compilation-mode) - (display-buffer errbuf)))) - -(defun refmt--kill-error-buffer (errbuf) - (let ((win (get-buffer-window errbuf))) - (if win - (quit-window t win) - (with-current-buffer errbuf - (erase-buffer)) - (kill-buffer errbuf)))) - -(defun apply-refmt (&optional start end from to) - (setq start (or start (point-min)) - end (or end (point-max)) - from (or from "re") - to (or to "re")) - (let* ((ext (file-name-extension buffer-file-name t)) - (bufferfile (make-temp-file "refmt" nil ext)) - (outputfile (make-temp-file "refmt" nil ext)) - (errorfile (make-temp-file "refmt" nil ext)) - (errbuf (if refmt-show-errors (get-buffer-create "*Refmt Errors*"))) - (patchbuf (get-buffer-create "*Refmt patch*")) - (coding-system-for-read 'utf-8) - (coding-system-for-write 'utf-8) - (width-args - (cond - ((equal refmt-width-mode 'window) - (list "--print-width" (number-to-string (window-body-width)))) - ((equal refmt-width-mode 'fill) - (list "--print-width" (number-to-string fill-column))) - (t - '())))) - (unwind-protect - (save-restriction - (widen) - (write-region start end bufferfile) - (if errbuf - (with-current-buffer errbuf - (setq buffer-read-only nil) - (erase-buffer))) - (with-current-buffer patchbuf - (erase-buffer)) - (if (zerop (apply 'call-process - refmt-command nil (list (list :file outputfile) errorfile) - nil (append width-args (list "--parse" from "--print" to bufferfile)))) - (progn - (call-process-region start end "diff" nil patchbuf nil "-n" "-" - outputfile) - (reason--apply-rcs-patch patchbuf start) - (message "Applied refmt") - (if errbuf (refmt--kill-error-buffer errbuf))) - (message "Could not apply refmt") - (if errbuf - (refmt--process-errors (buffer-file-name) bufferfile errorfile errbuf))))) - (kill-buffer patchbuf) - (delete-file errorfile) - (delete-file bufferfile) - (delete-file outputfile))) - -(defun refmt () - "Format the current buffer according to the refmt tool." - (interactive) - (apply-refmt)) - -(defun refmt-region-ocaml-to-reason (start end) - (interactive "r") - (apply-refmt start end "ml")) - -(defun refmt-region-reason-to-ocaml (start end) - (interactive "r") - (apply-refmt start end "re" "ml")) - -(provide 'refmt) - -;;; refmt.el ends here |