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68 lines
2.8 KiB
68 lines
2.8 KiB
;;; ghci-script-mode.el --- GHCi scripts major mode -*- lexical-binding: t -*- |
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;; Copyright (c) 2014 Chris Done. All rights reserved. |
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;; This file is free software; you can redistribute it and/or modify |
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;; it under the terms of the GNU General Public License as published by |
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;; the Free Software Foundation; either version 3, or (at your option) |
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;; any later version. |
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;; This file is distributed in the hope that it will be useful, |
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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;; GNU General Public License for more details. |
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;; You should have received a copy of the GNU General Public License |
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;; along with this program. If not, see <http://www.gnu.org/licenses/>. |
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;;; Code: |
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(require 'haskell) |
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(defvar ghci-script-mode-keywords |
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;; The comment syntax can't be described simply in syntax-table. |
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;; We could use font-lock-syntactic-keywords, but is it worth it? |
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'(("^[ \t]*--.*" . font-lock-comment-face) |
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("^ *\\([^ \t:]+\\):" (1 font-lock-keyword-face)) |
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("^:[a-z{]+ *\\+" . font-lock-keyword-face) |
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("^:[a-z{]+ " . font-lock-keyword-face))) |
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;;;###autoload |
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(define-derived-mode ghci-script-mode text-mode "GHCi-Script" |
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"Major mode for working with .ghci files." |
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(set (make-local-variable 'adaptive-fill-mode) nil) |
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(set (make-local-variable 'comment-start) "-- ") |
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(set (make-local-variable 'comment-padding) 0) |
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(set (make-local-variable 'comment-start-skip) "[-{]-[ \t]*") |
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(set (make-local-variable 'comment-end) "") |
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(set (make-local-variable 'comment-end-skip) "[ \t]*\\(-}\\|\\s>\\)") |
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(set (make-local-variable 'indent-line-function) 'haskell-mode-suggest-indent-choice) |
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(set (make-local-variable 'font-lock-defaults) |
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'(ghci-script-mode-keywords t t nil nil)) |
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(set (make-local-variable 'indent-tabs-mode) nil) |
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(set (make-local-variable 'tab-width) 8) |
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(when (boundp 'electric-indent-inhibit) |
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(setq electric-indent-inhibit t)) |
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(set (make-local-variable 'dabbrev-case-fold-search) nil) |
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(set (make-local-variable 'dabbrev-case-distinction) nil) |
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(set (make-local-variable 'dabbrev-case-replace) nil) |
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(set (make-local-variable 'dabbrev-abbrev-char-regexp) "\\sw\\|[.]") |
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(setq haskell-literate nil)) |
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;;;###autoload |
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(add-to-list 'auto-mode-alist '("\\.ghci\\'" . ghci-script-mode)) |
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(define-key ghci-script-mode-map (kbd "C-c C-l") 'ghci-script-mode-load) |
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(defun ghci-script-mode-load () |
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"Load the current script file into the GHCi session." |
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(interactive) |
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(let ((buffer (haskell-session-interactive-buffer (haskell-session))) |
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(filename (buffer-file-name))) |
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(save-buffer) |
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(with-current-buffer buffer |
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(set-marker haskell-interactive-mode-prompt-start (point-max)) |
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(haskell-interactive-mode-run-expr |
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(concat ":script " filename))))) |
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(provide 'ghci-script-mode)
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