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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/haskell-c2hs.el')
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1 files changed, 207 insertions, 0 deletions
diff --git a/configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/haskell-c2hs.el b/configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/haskell-c2hs.el new file mode 100644 index 0000000000..c4cb41ec37 --- /dev/null +++ b/configs/shared/emacs/.emacs.d/elpa/haskell-mode-20180601.143/haskell-c2hs.el @@ -0,0 +1,207 @@ +;; haskell-c2hs.el --- -*- lexical-binding: t; -*- + +;; Copyright (C) 2016 Sergey Vinokurov +;; +;; Author: Sergey Vinokurov <serg.foo@gmail.com> +;; Created: Monday, 7 March 2016 + +;; 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/>. + +;;; Commentary: +;; This mode is mostly intended for highlighting {#...#} hooks. +;; +;; Quick setup: +;; (autoload 'haskell-c2hs-mode "haskell-c2hs-mode" nil t) +;; (add-to-list 'auto-mode-alist '("\\.chs\\'" . haskell-c2hs-mode)) +;; + +(require 'haskell-mode) +(require 'haskell-font-lock) +(require 'haskell-utils) + +;;;###autoload +(add-to-list 'auto-mode-alist '("\\.chs\\'" . haskell-c2hs-mode)) + +(defface haskell-c2hs-hook-pair-face + '((t (:inherit 'font-lock-preprocessor-face))) + "Face for highlighting {#...#} pairs." + :group 'haskell) + +(defface haskell-c2hs-hook-name-face + '((t (:inherit 'font-lock-keyword-face))) + "Face for highlighting c2hs hook names." + :group 'haskell) + +(defvar haskell-c2hs-font-lock-keywords + `((,(eval-when-compile + (let* ((ws '(any ?\s ?\t ?\n ?\r)) + (anychar '(or (not (any ?#)) + (seq "#" + (not (any ?\}))))) + (any-nonquote '(or (not (any ?# ?\")) + (seq "#" + (not (any ?\} ?\"))))) + (cid '(seq (any (?a . ?z) (?A . ?Z) ?_) + (* (any (?a . ?z) (?A . ?Z) (?0 . ?9) ?_)))) + (hsid-type '(seq (? "'") + (any (?A . ?Z)) + (* (any (?a . ?z) (?A . ?Z) (?0 . ?9) ?_ ?')))) + (equals-str-val `(seq (* ,ws) + "=" + (* ,ws) + "\"" + (* ,any-nonquote) + "\""))) + (eval + `(rx + (seq + (group-n 1 "{#") + (* ,ws) + (or (seq (group-n 2 + "import" + (opt (+ ,ws) + "qualified")) + (+ ,ws)) + (seq (group-n 2 + "context") + (opt (+ ,ws) + (group-n 3 + "lib") + ,equals-str-val) + (opt (+ ,ws) + (group-n 4 + "prefix") + ,equals-str-val) + (opt (+ ,ws) + (group-n 5 + "add" + (+ ,ws) + "prefix") + ,equals-str-val)) + (seq (group-n 2 + "type") + (+ ,ws) + ,cid) + (seq (group-n 2 + "sizeof") + (+ ,ws) + ,cid) + (seq (group-n 2 + "enum" + (+ ,ws) + "define") + (+ ,ws) + ,cid) + ;; TODO: vanilla enum fontification is incomplete + (seq (group-n 2 + "enum") + (+ ,ws) + ,cid + (opt (+ ,ws) + (group-n 3 + "as"))) + ;; TODO: fun hook highlighting is incompelete + (seq (group-n 2 + (or "call" + "fun") + (opt (+ ,ws) + "pure") + (opt (+ ,ws) + "unsafe")) + (+ ,ws) + ,cid + (opt (+ ,ws) + (group-n 3 + "as") + (opt (+ ,ws) + (group-n 8 + "^")))) + (group-n 2 + "get") + (group-n 2 + "set") + (seq (group-n 2 + "pointer") + (or (seq (* ,ws) + (group-n 3 "*") + (* ,ws)) + (+ ,ws)) + ,cid + (opt (+ ,ws) + (group-n 4 "as") + (+ ,ws) + ,hsid-type) + (opt (+ ,ws) + (group-n 5 + (or "foreign" + "stable"))) + (opt + (or (seq (+ ,ws) + (group-n 6 + "newtype")) + (seq (* ,ws) + "->" + (* ,ws) + ,hsid-type))) + (opt (+ ,ws) + (group-n 7 + "nocode"))) + (group-n 2 + "class") + (group-n 2 + "alignof") + (group-n 2 + "offsetof") + (seq (group-n 2 + "const") + (+ ,ws) + ,cid) + (seq (group-n 2 + "typedef") + (+ ,ws) + ,cid + (+ ,ws) + ,hsid-type) + (group-n 2 + "nonGNU") + ;; TODO: default hook not implemented + ) + (* ,anychar) + (group-n 9 "#}")))))) + ;; Override highlighting for pairs in order to always distinguish them. + (1 'haskell-c2hs-hook-pair-face t) + (2 'haskell-c2hs-hook-name-face) + ;; Make matches lax, i.e. do not signal error if nothing + ;; matched. + (3 'haskell-c2hs-hook-name-face nil t) + (4 'haskell-c2hs-hook-name-face nil t) + (5 'haskell-c2hs-hook-name-face nil t) + (6 'haskell-c2hs-hook-name-face nil t) + (7 'haskell-c2hs-hook-name-face nil t) + (8 'font-lock-negation-char-face nil t) + ;; Override highlighting for pairs in order to always distinguish them. + (9 'haskell-c2hs-hook-pair-face t)) + ,@(haskell-font-lock-keywords))) + +;;;###autoload +(define-derived-mode haskell-c2hs-mode haskell-mode "C2HS" + "Mode for editing *.chs files of the c2hs haskell tool." + (setq-local font-lock-defaults + (cons 'haskell-c2hs-font-lock-keywords + (cdr font-lock-defaults)))) + + +(provide 'haskell-c2hs) + +;; haskell-c2hs.el ends here |