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100 lines
3.2 KiB
EmacsLisp
100 lines
3.2 KiB
EmacsLisp
;;; hoon-mode.el --- Major mode for editing hoon files for urbit
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;; Copyright (C) 2001 Free Software Foundation, Inc.
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;; Author: Adam Bliss <abliss@gmail.com>
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;; Keywords: extensions
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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 2, 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 GNU Emacs; see the file COPYING. If not, write to
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;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; This is my first Major Mode, so don't expect much. It's heavily based on
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;; SampleMode from the emacs wiki.
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;;; Code:
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(defvar hoon-mode-hook nil)
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(defvar hoon-mode-map
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(let ((map (make-sparse-keymap)))
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(define-key map "\C-j" 'newline-and-indent)
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map)
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"Keymap for `hoon-mode'.")
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;;;###autoload
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(add-to-list 'auto-mode-alist '("\\.hoon$" . hoon-mode))
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(defvar hoon-mode-syntax-table
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(let ((st (make-syntax-table lisp-mode-syntax-table)))
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(modify-syntax-entry ?\' "\"" st)
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(modify-syntax-entry ?| "." st)
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(modify-syntax-entry ?; "." st)
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(modify-syntax-entry ?\" "\"" st)
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(modify-syntax-entry ?: ". 12b" st)
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(modify-syntax-entry ?\n "> b" st)
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st)
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"Syntax table for `hoon-mode'.")
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(defvar hoon-font-lock-keywords
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'(
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("\\+\\+ \\(\\w+\\)" (1 font-lock-function-name-face))
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("\\(%\\w+\\)" (1 font-lock-keyword-face))
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("\\(\\w+\\)=" (1 font-lock-variable-name-face))
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("[=,]\\(\\w+\\|@\\w*\\)" (1 font-lock-type-face))
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)
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"Keyword highlighting specification for `hoon-mode'.")
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(defvar hoon-imenu-generic-expression ".*")
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(defvar hoon-outline-regexp ":::")
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;;;###autoload
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(define-derived-mode hoon-mode fundamental-mode "Hoon"
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"A major mode for editing Hoon files."
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:syntax-table hoon-mode-syntax-table
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(set (make-local-variable 'comment-start) "::")
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(set (make-local-variable 'comment-end) "")
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(set (make-local-variable 'comment-use-syntax) nil)
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(set (make-local-variable 'comment-start-skip) "\\(::+\\)\\s *")
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(set (make-local-variable 'font-lock-defaults) '(hoon-font-lock-keywords))
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(set (make-local-variable 'indent-tabs-mode) nil) ;; tabs zutiefst verboten
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(set (make-local-variable 'indent-line-function) 'indent-relative)
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(set (make-local-variable 'imenu-generic-expression)
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hoon-imenu-generic-expression)
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(set (make-local-variable 'outline-regexp) hoon-outline-regexp)
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)
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;;; Indentation
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(defun hoon-indent-line ()
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"Indent current line of Hoon code."
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(interactive)
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(let ((savep (> (current-column) (current-indentation)))
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(indent (condition-case nil (max (hoon-calculate-indentation) 0)
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(error 0))))
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(if savep
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(save-excursion (indent-line-to indent))
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(indent-line-to indent))))
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(defun hoon-calculate-indentation ()
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"Return the column to which the current line should be indented."
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0) ;;TODO
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(provide 'hoon-mode)
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;;; hoon.el ends here
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