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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/nix-mode-20180908.2240/nix-mode.el')
| -rw-r--r-- | configs/shared/emacs/.emacs.d/elpa/nix-mode-20180908.2240/nix-mode.el | 590 |
1 files changed, 0 insertions, 590 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/nix-mode-20180908.2240/nix-mode.el b/configs/shared/emacs/.emacs.d/elpa/nix-mode-20180908.2240/nix-mode.el deleted file mode 100644 index 759c85f678..0000000000 --- a/configs/shared/emacs/.emacs.d/elpa/nix-mode-20180908.2240/nix-mode.el +++ /dev/null @@ -1,590 +0,0 @@ -;;; nix-mode.el --- Major mode for editing .nix files -*- lexical-binding: t -*- - -;; Maintainer: Matthew Bauer <mjbauer95@gmail.com> -;; Homepage: https://github.com/NixOS/nix-mode -;; Version: 1.2.1 -;; Keywords: nix, languages, tools, unix -;; Package-Requires: ((emacs "24.3")) - -;; This file is NOT part of GNU Emacs. - -;;; Commentary: - -;; A major mode for editing Nix expressions (.nix files). See the Nix manual -;; for more information available at https://nixos.org/nix/manual/. - -;;; Code: - -(require 'nix) -(require 'nix-format) -(require 'nix-shebang) -(require 'nix-shell) -(require 'nix-repl) - -(defgroup nix-mode nil - "Nix mode customizations" - :group 'nix) - -(defcustom nix-indent-function 'indent-relative - "The function to use to indent. - -Valid functions for this are: - -- ‘indent-relative’ -- nix-indent-line (buggy)" - :group 'nix-mode - :type 'function) - -(defcustom nix-mode-caps - '(" =[ \n]" "\(" "\{" "\\[" "\\bwith\\b" "\\blet\\b" "\\binherit\\b") - "Regular expressions to consider expression caps." - :group 'nix-mode - :type '(repeat string)) - -(defcustom nix-mode-ends - '(";" "\)" "\\]" "\}" "\\bin\\b") - "Regular expressions to consider expression ends." - :group 'nix-mode - :type '(repeat string)) - -(defcustom nix-mode-quotes - '("''" "\"") - "Regular expressions to consider expression quotes." - :group 'nix-mode - :type '(repeat string)) - -(defgroup nix-faces nil - "Nix faces." - :group 'nix-mode - :group 'faces) - -(defface nix-keyword-face - '((t :inherit font-lock-keyword-face)) - "Face used to highlight Nix keywords." - :group 'nix-faces) - -(defface nix-keyword-warning-face - '((t :inherit font-lock-warning-face)) - "Face used to highlight Nix warning keywords." - :group 'nix-faces) - -(defface nix-builtin-face - '((t :inherit font-lock-builtin-face)) - "Face used to highlight Nix builtins." - :group 'nix-faces) - -(defface nix-constant-face - '((t :inherit font-lock-constant-face)) - "Face used to highlight Nix constants." - :group 'nix-faces) - -(defface nix-attribute-face - '((t :inherit font-lock-variable-name-face)) - "Face used to highlight Nix attributes." - :group 'nix-faces) - -(defface nix-antiquote-face - '((t :inherit font-lock-preprocessor-face)) - "Face used to highlight Nix antiquotes." - :group 'nix-faces) - -(defvar nix-system-types - '("x86_64-linux" "i686-linux" "aarch64-linux" "x86_64-darwin") - "List of supported systems.") - -;;; Syntax coloring - -(defconst nix-keywords - '("if" "then" - "else" "with" - "let" "in" - "rec" "inherit" - "or")) - -(defconst nix-builtins - '("builtins" "baseNameOf" - "derivation" "dirOf" - "true" "false" "null" - "isNull" "toString" - "fetchTarball" "import" - "map" "removeAttrs")) - -(defconst nix-warning-keywords - '("assert" "abort" "throw")) - -(defconst nix-re-file-path - "[a-zA-Z0-9._\\+-]*\\(/[a-zA-Z0-9._\\+-]+\\)+") - -(defconst nix-re-url - "[a-zA-Z][a-zA-Z0-9\\+-\\.]*:[a-zA-Z0-9%/\\?:@&=\\+\\$,_\\.!~\\*'-]+") - -(defconst nix-re-bracket-path - "<[a-zA-Z0-9._\\+-]+\\(/[a-zA-Z0-9._\\+-]+\\)*>") - -(defconst nix-re-variable-assign - "\\<\\([a-zA-Z_][a-zA-Z0-9_'\-\.]*\\)[ \t]*=[^=]") - -(defconst nix-font-lock-keywords - `( - (,(regexp-opt nix-keywords 'symbols) 0 'nix-keyword-face) - (,(regexp-opt nix-warning-keywords 'symbols) 0 'nix-keyword-warning-face) - (,(regexp-opt nix-builtins 'symbols) 0 'nix-builtin-face) - (,nix-re-url 0 'nix-constant-face) - (,nix-re-file-path 0 'nix-constant-face) - (,nix-re-variable-assign 1 'nix-attribute-face) - (,nix-re-bracket-path 0 'nix-constant-face) - (nix--syntax-match-antiquote 0 'nix-antiquote-face t) - ) - "Font lock keywords for nix.") - -(defconst nix--variable-char "[a-zA-Z0-9_'\-]") - -(defvar nix-mode-abbrev-table - (make-abbrev-table) - "Abbrev table for Nix mode.") - -(makunbound 'nix-mode-syntax-table) - -(defvar nix-mode-syntax-table - (let ((table (make-syntax-table))) - (modify-syntax-entry ?/ ". 14" table) - (modify-syntax-entry ?* ". 23" table) - (modify-syntax-entry ?# "< b" table) - (modify-syntax-entry ?\n "> b" table) - ;; We handle strings - (modify-syntax-entry ?\" "." table) - ;; We handle escapes - (modify-syntax-entry ?\\ "." table) - table) - "Syntax table for Nix mode.") - -(defun nix--syntax-match-antiquote (limit) - "Find antiquote within a Nix expression up to LIMIT." - (unless (> (point) limit) - (if (get-text-property (point) 'nix-syntax-antiquote) - (progn - (set-match-data (list (point) (1+ (point)))) - (forward-char 1) - t) - (let ((pos (next-single-char-property-change (point) 'nix-syntax-antiquote - nil limit))) - (when (and pos (not (> pos limit))) - (goto-char pos) - (let ((char (char-after pos))) - (pcase char - (`?{ - (forward-char 1) - (set-match-data (list (1- pos) (point))) - t) - (`?} - (forward-char 1) - (set-match-data (list pos (point))) - t)))))))) - -(defun nix--mark-string (pos string-type) - "Mark string as a Nix string. - -POS position of start of string -STRING-TYPE type of string based off of Emacs syntax table types" - (put-text-property pos (1+ pos) - 'syntax-table (string-to-syntax "|")) - (put-text-property pos (1+ pos) - 'nix-string-type string-type)) - -(defun nix--get-parse-state (pos) - "Get the result of `syntax-ppss' at POS." - (save-excursion (save-match-data (syntax-ppss pos)))) - -(defun nix--get-string-type (parse-state) - "Get the type of string based on PARSE-STATE." - (let ((string-start (nth 8 parse-state))) - (and string-start (get-text-property string-start 'nix-string-type)))) - -(defun nix--open-brace-string-type (parse-state) - "Determine if this is an open brace string type based on PARSE-STATE." - (let ((open-brace (nth 1 parse-state))) - (and open-brace (get-text-property open-brace 'nix-string-type)))) - -(defun nix--open-brace-antiquote-p (parse-state) - "Determine if this is an open brace antiquote based on PARSE-STATE." - (let ((open-brace (nth 1 parse-state))) - (and open-brace (get-text-property open-brace 'nix-syntax-antiquote)))) - -(defun nix--single-quotes () - "Handle Nix single quotes." - (let* ((start (match-beginning 0)) - (end (match-end 0)) - (context (nix--get-parse-state start)) - (string-type (nix--get-string-type context))) - (unless (or (equal string-type ?\") - (and (equal string-type nil) - (< 1 start) - (string-match-p nix--variable-char - (buffer-substring (1- start) start)))) - (when (equal string-type nil) - (nix--mark-string start ?\') - (setq start (+ 2 start))) - (when (equal (mod (- end start) 3) 2) - (let ((str-peek (buffer-substring end (min (point-max) (+ 2 end))))) - (if (member str-peek '("${" "\\n" "\\r" "\\t")) - (goto-char (+ 2 end)) - (nix--mark-string (1- end) ?\'))))))) - -(defun nix--escaped-antiquote-dq-style () - "Handle Nix escaped antiquote dq style." - (let* ((start (match-beginning 0)) - (ps (nix--get-parse-state start)) - (string-type (nix--get-string-type ps))) - (when (equal string-type ?\') - (nix--antiquote-open-at (1+ start) ?\')))) - -(defun nix--double-quotes () - "Handle Nix double quotes." - (let* ((pos (match-beginning 0)) - (ps (nix--get-parse-state pos)) - (string-type (nix--get-string-type ps))) - (unless (equal string-type ?\') - (nix--mark-string pos ?\")))) - -(defun nix--antiquote-open-at (pos string-type) - "Handle Nix antiquote open at based on POS and STRING-TYPE." - (put-text-property pos (1+ pos) - 'syntax-table (string-to-syntax "|")) - (put-text-property pos (+ 2 pos) - 'nix-string-type string-type) - (put-text-property (1+ pos) (+ 2 pos) - 'nix-syntax-antiquote t)) - -(defun nix--antiquote-open () - "Handle Nix antiquote open." - (let* ((start (match-beginning 0)) - (ps (nix--get-parse-state start)) - (string-type (nix--get-string-type ps))) - (when string-type - (nix--antiquote-open-at start string-type)))) - -(defun nix--antiquote-close-open () - "Handle Nix antiquote close then open." - (let* ((start (match-beginning 0)) - (ps (nix--get-parse-state start)) - (string-type (nix--get-string-type ps))) - (if string-type - (nix--antiquote-open-at (1+ start) string-type) - (when (nix--open-brace-antiquote-p ps) - (let ((string-type (nix--open-brace-string-type ps))) - (put-text-property start (+ 3 start) - 'nix-string-type string-type) - (put-text-property start (1+ start) - 'nix-syntax-antiquote t) - (put-text-property (+ 2 start) (+ 3 start) - 'nix-syntax-antiquote t)))))) - -(defun nix--antiquote-close () - "Handle Nix antiquote close." - (let* ((start (match-beginning 0)) - (ps (nix--get-parse-state start))) - (unless (nix--get-string-type ps) - (let ((string-type (nix--open-brace-string-type ps))) - (when string-type - (put-text-property start (1+ start) - 'nix-string-type string-type) - (put-text-property start (1+ start) - 'nix-syntax-antiquote t) - (let ((ahead (buffer-substring (1+ start) (min (point-max) (+ 5 start))))) - (pcase string-type - (`?\" (cond - ((or (string-match "^\\\\\"" ahead) - (string-match "^\\\\\\${" ahead)) - (nix--mark-string (1+ start) string-type) - (goto-char (+ start (match-end 0) 1))) - ((string-match-p "^\"" ahead) - (goto-char (+ 2 start))) - ((< (1+ start) (point-max)) - (nix--mark-string (1+ start) string-type) - (goto-char (+ 2 start))))) - (`?\' (cond - ((or (string-match "^'''" ahead) - (string-match "^''\\${" ahead) - (string-match "^''\\\\[nrt]" ahead)) - (nix--mark-string (1+ start) string-type) - (goto-char (+ start (match-end 0) 1))) - ((string-match-p "^''" ahead) - (goto-char (+ 3 start))) - ((< (1+ start) (point-max)) - (nix--mark-string (1+ start) string-type) - (goto-char (+ 2 start)))))))))))) - -(defun nix-syntax-propertize (start end) - "Special syntax properties for Nix from START to END." - (goto-char start) - (remove-text-properties start end - '(syntax-table nil nix-string-type nil nix-syntax-antiquote nil)) - (funcall - (syntax-propertize-rules - ("\\\\\\\\" - (0 nil)) - ("\\\\\"" - (0 nil)) - ("\\\\\\${" - (0 (ignore (nix--escaped-antiquote-dq-style)))) - ("'\\{2,\\}" - (0 (ignore (nix--single-quotes)))) - ("}\\${" - (0 (ignore (nix--antiquote-close-open)))) - ("\\${" - (0 (ignore (nix--antiquote-open)))) - ("}" - (0 (ignore (nix--antiquote-close)))) - ("\"" - (0 (ignore (nix--double-quotes))))) - start end)) - -;;; Indentation - -(defun nix--inside-string-or-comment () - (or (nix--get-string-type (nix--get-parse-state (point))) - (nth 4 (syntax-ppss)))) - -(defun nix-find-backward-matching-token () - (cond - ((looking-at "in\\b") - (let ((counter 1)) - (while (and (> counter 0) (re-search-backward "\\b\\(let\\|in\\)\\b" nil t)) - (unless (nix--inside-string-or-comment) - (setq counter (cond ((looking-at "let") (- counter 1)) - ((looking-at "in") (+ counter 1)))) - ) - ) - counter )) - ((looking-at "}") - (backward-up-list) t) - ((looking-at "]") - (backward-up-list) t) - ((looking-at ")") - (backward-up-list) t) - )) - -(defun nix-indent-to-backward-match () - (let ((matching-indentation (save-excursion - (beginning-of-line) - (skip-chars-forward "[:space:]") - (if (nix-find-backward-matching-token) - (current-indentation))))) - (when matching-indentation (indent-line-to matching-indentation) t)) - ) - -(defun nix-mode-make-regexp (parts) - "Combine the regexps into a single or-delimited regexp." - (declare (indent defun)) - (string-join parts "\\|")) - -(defun nix-mode-caps-regexp () - "Return regexp for matching expression caps." - (nix-mode-make-regexp nix-mode-caps)) - -(defun nix-mode-ends-regexp () - "Return regexp for matching expression ends." - (nix-mode-make-regexp nix-mode-ends)) - -(defun nix-mode-quotes-regexp () - "Return regexp for matching string quotes." - (nix-mode-make-regexp nix-mode-quotes)) - -(defun nix-mode-combined-regexp () - "Return combined regexp for matching items of interest." - (nix-mode-make-regexp (append nix-mode-caps - nix-mode-ends - nix-mode-quotes))) - -(defun nix-mode-search-backward () - "Search backward for items of interest regarding indentation." - (re-search-backward (nix-mode-combined-regexp) nil t)) - -(defun nix-indent-expression-start () - (let* ((ends 0) - (once nil) - (done nil) - (indent (current-indentation))) - (save-excursion - ;; we want to indent this line, so we don't care what it contains - ;; skip to the beginning so reverse searching doesn't find any matches within - (beginning-of-line) - ;; search backward until an unbalanced cap is found or no cap or end is found - (while (and (not done) (nix-mode-search-backward)) - (cond - ((looking-at (nix-mode-quotes-regexp)) - ;; skip over strings entirely - (re-search-backward (nix-mode-quotes-regexp) nil t)) - ((looking-at (nix-mode-ends-regexp)) - ;; count the matched end - ;; this means we expect to find at least one more cap - (setq ends (+ ends 1))) - ((looking-at (nix-mode-caps-regexp)) - ;; we found at least one cap - ;; this means our function will return true - ;; this signals to the caller we handled the indentation - (setq once t) - (if (> ends 0) - ;; this cap corresponds to a previously matched end - ;; reduce the number of unbalanced ends - (setq ends (- ends 1)) - ;; no unbalanced ends correspond to this cap - ;; this means we have found the expression that contains our line - ;; we want to indent relative to this line - (setq indent (current-indentation)) - ;; signal that the search loop should exit - (setq done t)))))) - ;; done is t when we found an unbalanced expression cap - (when done - ;; indent relative to the indentation of the expression containing our line - (indent-line-to (+ tab-width indent))) - ;; return t to the caller if we found at least one cap - ;; this signals that we handled the indentation - once)) - -(defun nix-indent-prev-level () - "Get the indent level of the previous line." - (save-excursion - (beginning-of-line) - (skip-chars-backward "\n[:space:]") - (current-indentation))) - -;;;###autoload -(defun nix-mode-format () - "Format the entire nix-mode buffer" - (interactive) - (when (eq major-mode 'nix-mode) - (save-excursion - (beginning-of-buffer) - (while (not (equal (point) (point-max))) - (if (equal (string-match-p "^[\s-]*$" (thing-at-point 'line)) 0) - (delete-horizontal-space) - (nix-indent-line)) - (next-line))))) - -;;;###autoload -(defun nix-indent-line () - "Indent current line in a Nix expression." - (interactive) - (let ((end-of-indentation (save-excursion - (cond - - ;; comment - ((save-excursion - (beginning-of-line) - (nth 4 (syntax-ppss))) - (indent-line-to (nix-indent-prev-level))) - - ;; string - ((save-excursion - (beginning-of-line) - (nth 3 (syntax-ppss))) - (indent-line-to (+ (nix-indent-prev-level) - (* tab-width (+ (if (save-excursion - (forward-line -1) - (end-of-line) - (skip-chars-backward "[:space:]") - (looking-back "''" 0)) 1 0) - (if (save-excursion - (beginning-of-line) - (skip-chars-forward - "[:space:]") - (looking-at "''") - ) -1 0) - ))))) - - ;; dedent '}', ']', ')' 'in' - ((nix-indent-to-backward-match)) - - ;; indent between = and ; + 2, or to 2 - ((nix-indent-expression-start)) - - ;; else - (t - (indent-line-to (nix-indent-prev-level))) - ) - (point)))) - (when (> end-of-indentation (point)) (goto-char end-of-indentation))) - ) - -;; Key maps - -(defvar nix-mode-menu (make-sparse-keymap "Nix") - "Menu for Nix mode.") - -(defvar nix-mode-map (make-sparse-keymap) - "Local keymap used for Nix mode.") - -(defun nix-create-keymap () - "Create the keymap associated with the Nix mode." - ) - -(defun nix-create-menu () - "Create the Nix menu as shown in the menu bar." - (let ((m '("Nix" - ["Format buffer" nix-format-buffer t]) - )) - (easy-menu-define ada-mode-menu nix-mode-map "Menu keymap for Nix mode" m))) - -(nix-create-keymap) -(nix-create-menu) - -;;;###autoload -(define-derived-mode nix-mode prog-mode "Nix" - "Major mode for editing Nix expressions. - -The following commands may be useful: - - '\\[newline-and-indent]' - Insert a newline and move the cursor to align with the previous - non-empty line. - - '\\[fill-paragraph]' - Refill a paragraph so that all lines are at most `fill-column' - lines long. This should do the right thing for comments beginning - with `#'. However, this command doesn't work properly yet if the - comment is adjacent to code (i.e., no intervening empty lines). - In that case, select the text to be refilled and use - `\\[fill-region]' instead. - -The hook `nix-mode-hook' is run when Nix mode is started. - -\\{nix-mode-map} -" - :group 'nix-mode - :syntax-table nix-mode-syntax-table - :abbrev-table nix-mode-abbrev-table - - ;; Disable hard tabs and set tab to 2 spaces - ;; Recommended by nixpkgs manual: https://nixos.org/nixpkgs/manual/#sec-syntax - (setq-local indent-tabs-mode nil) - (setq-local tab-width 2) - (setq-local electric-indent-chars '(?\n ?{ ?} ?\[ ?\] ?\( ?\))) - - ;; Font lock support. - (setq-local font-lock-defaults '(nix-font-lock-keywords)) - - ;; Special syntax properties for Nix - (setq-local syntax-propertize-function 'nix-syntax-propertize) - - ;; Look at text properties when parsing - (setq-local parse-sexp-lookup-properties t) - - ;; Automatic indentation [C-j] - (setq-local indent-line-function nix-indent-function) - - ;; Indenting of comments - (setq-local comment-start "# ") - (setq-local comment-end "") - (setq-local comment-start-skip "\\(^\\|\\s-\\);?#+ *") - (setq-local comment-multi-line t) - - ;; Filling of comments - (setq-local adaptive-fill-mode t) - (setq-local paragraph-start "[ \t]*\\(#+[ \t]*\\)?$") - (setq-local paragraph-separate paragraph-start) - - (easy-menu-add nix-mode-menu nix-mode-map)) - -(provide 'nix-mode) -;;; nix-mode.el ends here |