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Diffstat (limited to 'configs/shared/emacs/.emacs.d/vendor/reason-indent.el')
| -rw-r--r-- | configs/shared/emacs/.emacs.d/vendor/reason-indent.el | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/configs/shared/emacs/.emacs.d/vendor/reason-indent.el b/configs/shared/emacs/.emacs.d/vendor/reason-indent.el deleted file mode 100644 index 8fd3c9425866..000000000000 --- a/configs/shared/emacs/.emacs.d/vendor/reason-indent.el +++ /dev/null @@ -1,304 +0,0 @@ -;;; reason-indent.el --- Indentation functions for ReasonML -*-lexical-binding: t-*- - -;; Portions Copyright (c) 2015-present, Facebook, Inc. All rights reserved. - -;;; Commentary: - -;; Indentation functions for Reason. - -;;; Code: - -(defconst reason-re-ident "[[:word:][:multibyte:]_][[:word:][:multibyte:]_[:digit:]]*") - -(defcustom reason-indent-offset 2 - "Indent Reason code by this number of spaces." - :type 'integer - :group 'reason-mode - :safe #'integerp) - -(defun reason-looking-back-str (str) - "Like `looking-back' but for fixed strings rather than regexps. -Works around some regexp slowness. -Argument STR string to search for." - (let ((len (length str))) - (and (> (point) len) - (equal str (buffer-substring-no-properties (- (point) len) (point)))))) - -(defun reason-paren-level () - "Get the level of nesting inside parentheses." - (nth 0 (syntax-ppss))) - -(defun reason-in-str-or-cmnt () - "Return whether point is currently inside a string or a comment." - (nth 8 (syntax-ppss))) - -(defun reason-rewind-past-str-cmnt () - "Rewind past string or comment." - (goto-char (nth 8 (syntax-ppss)))) - -(defun reason-rewind-irrelevant () - "Rewind past irrelevant characters (whitespace of inside comments)." - (interactive) - (let ((starting (point))) - (skip-chars-backward "[:space:]\n") - (if (reason-looking-back-str "*/") (backward-char)) - (if (reason-in-str-or-cmnt) - (reason-rewind-past-str-cmnt)) - (if (/= starting (point)) - (reason-rewind-irrelevant)))) - -(defun reason-align-to-expr-after-brace () - "Align the expression at point to the expression after the previous brace." - (save-excursion - (forward-char) - ;; We don't want to indent out to the open bracket if the - ;; open bracket ends the line - (when (not (looking-at "[[:blank:]]*\\(?://.*\\)?$")) - (when (looking-at "[[:space:]]") - (forward-word 1) - (backward-word 1)) - (current-column)))) - -(defun reason-align-to-prev-expr () - "Align the expression at point to the previous expression." - (let ((alignment (save-excursion - (forward-char) - ;; We don't want to indent out to the open bracket if the - ;; open bracket ends the line - (when (not (looking-at "[[:blank:]]*\\(?://.*\\)?$")) - (if (looking-at "[[:space:]]") - (progn - (forward-word 1) - (backward-word 1)) - (backward-char)) - (current-column))))) - (if (not alignment) - (save-excursion - (forward-char) - (forward-line) - (back-to-indentation) - (current-column)) - alignment))) - -;;; Start of a reason binding -(defvar reason-binding - (regexp-opt '("let" "type" "module" "fun"))) - -(defun reason-beginning-of-defun (&optional arg) - "Move backward to the beginning of the current defun. - -With ARG, move backward multiple defuns. Negative ARG means -move forward. - -This is written mainly to be used as `beginning-of-defun-function'. -Don't move to the beginning of the line. `beginning-of-defun', -which calls this, does that afterwards." - (interactive "p") - (re-search-backward (concat "^\\(" reason-binding "\\)\\_>") - nil 'move (or arg 1))) - -(defun reason-end-of-defun () - "Move forward to the next end of defun. - -With argument, do it that many times. -Negative argument -N means move back to Nth preceding end of defun. - -Assume that this is called after ‘beginning-of-defun’. So point is -at the beginning of the defun body. - -This is written mainly to be used as `end-of-defun-function' for Reason." - (interactive) - ;; Find the opening brace - (if (re-search-forward "[{]" nil t) - (progn - (goto-char (match-beginning 0)) - ;; Go to the closing brace - (condition-case nil - (forward-sexp) - (scan-error - ;; The parentheses are unbalanced; instead of being unable to fontify, just jump to the end of the buffer - (goto-char (point-max))))) - ;; There is no opening brace, so consider the whole buffer to be one "defun" - (goto-char (point-max)))) - -(defun reason-rewind-to-beginning-of-current-level-expr () - "Rewind to the beginning of the expression on the current level of nesting." - (interactive) - (let ((current-level (reason-paren-level))) - (back-to-indentation) - (when (looking-at "=>") - (reason-rewind-irrelevant) - (back-to-indentation)) - (while (> (reason-paren-level) current-level) - (backward-up-list) - (back-to-indentation)))) - -(defun reason-mode-indent-line () - "Indent current line." - (interactive) - (let ((indent - (save-excursion - (back-to-indentation) - ;; Point is now at beginning of current line - (let* ((level (reason-paren-level)) - (baseline - ;; Our "baseline" is one level out from the indentation of the expression - ;; containing the innermost enclosing opening bracket. That - ;; way if we are within a block that has a different - ;; indentation than this mode would give it, we still indent - ;; the inside of it correctly relative to the outside. - (if (= 0 level) - 0 - (save-excursion - (reason-rewind-irrelevant) - (if (save-excursion - (reason-rewind-to-beginning-of-current-level-expr) - (looking-at "<")) - (progn - (reason-rewind-to-beginning-of-current-level-expr) - (current-column)) - (progn - (backward-up-list) - (reason-rewind-to-beginning-of-current-level-expr) - - (cond - ((looking-at "switch") - (current-column)) - - ((looking-at "|") - (+ (current-column) (* reason-indent-offset 2))) - - (t - (let ((current-level (reason-paren-level))) - (save-excursion - (while (and (= current-level (reason-paren-level)) - (not (looking-at reason-binding))) - (reason-rewind-irrelevant) - (reason-rewind-to-beginning-of-current-level-expr)) - (+ (current-column) reason-indent-offset))))))))))) - (cond - ;; A function return type is indented to the corresponding function arguments - ((looking-at "=>") - (+ baseline reason-indent-offset)) - - ((reason-in-str-or-cmnt) - (cond - ;; In the end of the block -- align with star - ((looking-at "*/") (+ baseline 1)) - ;; Indent to the following shape: - ;; /* abcd - ;; * asdf - ;; */ - ;; - ((looking-at "*") (+ baseline 1)) - ;; Indent to the following shape: - ;; /* abcd - ;; asdf - ;; */ - ;; - (t (+ baseline (+ reason-indent-offset 1))))) - - ((looking-at "</") (- baseline reason-indent-offset)) - - ;; A closing brace is 1 level unindented - ((looking-at "}\\|)\\|\\]") - (save-excursion - (reason-rewind-irrelevant) - (let ((jsx? (reason-looking-back-str ">"))) - (backward-up-list) - (reason-rewind-to-beginning-of-current-level-expr) - (cond - ((looking-at "switch") baseline) - - (jsx? (current-column)) - - (t (- baseline reason-indent-offset)))))) - - ;; Doc comments in /** style with leading * indent to line up the *s - ((and (nth 4 (syntax-ppss)) (looking-at "*")) - (+ 1 baseline)) - - ;; If we're in any other token-tree / sexp, then: - (t - (or - ;; If we are inside a pair of braces, with something after the - ;; open brace on the same line and ending with a comma, treat - ;; it as fields and align them. - (when (> level 0) - (save-excursion - (reason-rewind-irrelevant) - (backward-up-list) - ;; Point is now at the beginning of the containing set of braces - (reason-align-to-expr-after-brace))) - - (progn - (back-to-indentation) - (cond ((looking-at (regexp-opt '("and" "type"))) - baseline) - ((save-excursion - (reason-rewind-irrelevant) - (= (point) 1)) - baseline) - ((save-excursion - (while (looking-at "|") - (reason-rewind-irrelevant) - (back-to-indentation)) - (looking-at (regexp-opt '("type")))) - (+ baseline reason-indent-offset)) - ((looking-at "|\\|/[/*]") - baseline) - ((and (> level 0) - (save-excursion - (reason-rewind-irrelevant) - (backward-up-list) - (reason-rewind-to-beginning-of-current-level-expr) - (looking-at "switch"))) - (+ baseline reason-indent-offset)) - ((save-excursion - (reason-rewind-irrelevant) - (looking-back "[{;,\\[(]" (- (point) 2))) - baseline) - ((and - (save-excursion - (reason-rewind-irrelevant) - (reason-rewind-to-beginning-of-current-level-expr) - (and (looking-at reason-binding) - (not (progn - (forward-sexp) - (forward-sexp) - (skip-chars-forward "[:space:]\n") - (looking-at "="))))) - (not (save-excursion - (skip-chars-backward "[:space:]\n") - (reason-looking-back-str "=>")))) - (save-excursion - (reason-rewind-irrelevant) - (backward-sexp) - (reason-align-to-prev-expr))) - ((save-excursion - (reason-rewind-irrelevant) - (looking-back "<\/.*?>" (- (point) 30))) - baseline) - (t - (save-excursion - (reason-rewind-irrelevant) - (reason-rewind-to-beginning-of-current-level-expr) - - (if (looking-at "|") - baseline - (+ baseline reason-indent-offset))))) - ;; Point is now at the beginning of the current line - )))))))) - - (when indent - ;; If we're at the beginning of the line (before or at the current - ;; indentation), jump with the indentation change. Otherwise, save the - ;; excursion so that adding the indentations will leave us at the - ;; equivalent position within the line to where we were before. - (if (<= (current-column) (current-indentation)) - (indent-line-to indent) - (save-excursion (indent-line-to indent)))))) - -(provide 'reason-indent) - -;;; reason-indent.el ends here |