mudela-mode.el

   1 ;;; mudela-mode.el --- Major mode for editing Mudela programs
   2
   3
   4 ;; Copyright (C) 1992,1993,1994  Tim Peters
   5
   6 ;; Author: 1997: Han-Wen Nienhuys
   7 ;; Author: 1995-1996 Barry A. Warsaw
   8 ;;         1992-1994 Tim Peters
   9 ;; Created:       Feb 1992
  10 ;; Version:       0.0
  11 ;; Last Modified: 12SEP97
  12 ;; Keywords: mudela languages music
  13
  14 ;; This software is provided as-is, without express or implied
  15 ;; warranty.  Permission to use, copy, modify, distribute or sell this
  16 ;; software, without fee, for any purpose and by any individual or
  17 ;; organization, is hereby granted, provided that the above copyright
  18 ;; notice and this paragraph appear in all copies.
  19
  20
  21
  22 ;; Kyrie Eleison; it is my first real Elisp file
  23 ;; This is a cannabalised version of python-mode.el (HWN)
  24 ;;
  25 ;; TODO:
  26 ;; * should handle block comments too.
  27 ;; * handle lexer modes (\header, \melodic, \lyric) etc.
  28 ;; * indentation
  29 ;; * notenames?
  30 ;; * fontlock: \melodic \melodic
  31 ;;
  32
  33 (defconst mu-version "1.2.16-dk1"
  34   "`mudela-mode' version number.")
  35
  36 (defconst mu-help-address "hanwen@cs.uu.nl"
  37   "Address accepting submission of bug reports.")
  38
  39 (defconst mudela-font-lock-keywords
  40   (let* ((keywords '("spanrequest" "simultaneous" "sequential" "accepts"
  41                      "alternative" "bar" "breathe"
  42                      "cadenza" "chordmodifiers" "chords" "clef" "cm" "consists"
  43                      "consistsend" "context"
  44                      "duration" "font" "grace" "header" "in" "lyrics"
  45                      "key" "keysignature" "mark" "musicalpitch"
  46                      "time" "times" "midi" "mm" "name" "notenames"
  47                      "notes" "partial" "paper" "penalty" "property" "pt"
  48                      "relative" "remove" "repeat" "repetitions" "addlyrics"
  49                      "scm" "scmfile" "score" "script"
  50                      "shape" "skip" "textscript" "tempo" "translator" "transpose"
  51                      "type" "version"
  52                      ))
  53        (kwregex (mapconcat (lambda (x) (concat "\\\\" x))  keywords "\\|")))
  54
  55     (list
  56       (concat ".\\(" kwregex "\\)[^a-zA-Z]")
  57       (concat "^\\(" kwregex "\\)[^a-zA-Z]")
  58       '(".\\(\\\\[a-zA-Z][a-zA-Z]*\\)" 1 font-lock-variable-name-face)
  59       '("^[\t ]*\\([a-zA-Z][_a-zA-Z]*\\) *=" 1 font-lock-variable-name-face)
  60     ))
  61   "Additional expressions to highlight in Mudela mode.")
  62
  63 ;; define a mode-specific abbrev table for those who use such things
  64 (defvar mudela-mode-abbrev-table nil
  65   "Abbrev table in use in `mudela-mode' buffers.")
  66
  67 (define-abbrev-table 'mudela-mode-abbrev-table nil)
  68
  69 (defvar mudela-mode-hook nil
  70   "*Hook called by `mudela-mode'.")
  71
  72 (defvar mu-mode-map ()
  73   "Keymap used in `mudela-mode' buffers.")
  74
  75 (if mu-mode-map
  76     ()
  77   (setq mu-mode-map (make-sparse-keymap))
  78   ;; (define-key mu-mode-map "\C-c\C-c" 'mu-foo-bar)
  79   )
  80
  81 (defvar mu-mode-syntax-table nil
  82   "Syntax table used in `mudela-mode' buffers.")
  83
  84 ;;
  85 (if mu-mode-syntax-table
  86     ()
  87   (setq mu-mode-syntax-table (make-syntax-table))
  88   (mapcar (function
  89            (lambda (x) (modify-syntax-entry
  90                         (car x) (cdr x) mu-mode-syntax-table)))
  91           '(( ?\( . "." ) ( ?\) . "." )
  92             ( ?\[ . "." ) ( ?\] . "." )
  93             ( ?\{ . "(}" ) ( ?\} . "){" )
  94             ( ?\< . "(>" )( ?\> . ")>")
  95             ( ?\$ . "." ) ( ?\% . "." ) ( ?\& . "." )
  96             ( ?\* . "." ) ( ?\+ . "." ) ( ?\- . "." )
  97             ( ?\/ . "." )  ( ?\= . "." )
  98             ( ?\| . "." ) (?\\ . "\\" )
  99             ( ?\_ . "." )
 100             ( ?\' . "w")
 101             ( ?\" . "\"" )
 102             ( ?\% . "<")
 103             ( ?\n . ">")
 104
 105 ; FIXME
 106 ;           ( ?%  .  ". 124b" )
 107 ;           ( ?{  .  ". 23" )
 108             ))
 109
 110   )
 111
 112 (defconst mu-imenu-generic-re "^\\([a-zA-Z_][a-zA-Z0-9_]*\\) *="
 113   "Regexp matching Identifier definitions.")
 114
 115 ;; Sadly we need this for a macro in Emacs 19.
 116 (eval-when-compile
 117   ;; Imenu isn't used in XEmacs, so just ignore load errors.
 118   (condition-case ()
 119       (require 'imenu)
 120     (error nil)))
 121
 122 (defvar mu-imenu-generic-expression
 123   (list (list nil mu-imenu-generic-re 1))
 124   "Expression for imenu")
 125
 126 (defun mudela-mode ()
 127   "Major mode for editing Mudela files."
 128   (interactive)
 129   ;; set up local variables
 130   (kill-all-local-variables)
 131
 132   (make-local-variable 'font-lock-defaults)
 133   (setq font-lock-defaults '(mudela-font-lock-keywords))
 134
 135   (make-local-variable 'paragraph-separate)
 136   (setq paragraph-separate "^[ \t]*$")
 137
 138   (make-local-variable 'paragraph-start)
 139   (setq paragraph-start "^[ \t]*$")
 140
 141   (make-local-variable 'comment-start)
 142   (setq comment-start "%")
 143
 144   (make-local-variable 'comment-start-skip)
 145   (setq comment-start-skip "%{? *")
 146
 147   (make-local-variable 'comment-end)
 148   (setq comment-end "\n")
 149
 150   (make-local-variable 'block-comment-start)
 151   (setq block-comment-start "%{")
 152
 153   (make-local-variable 'block-comment-end)
 154   (setq block-comment-end   "%}")
 155
 156   ;; (make-local-variable 'comment-column)
 157   ;; (setq comment-column 40)
 158
 159   (make-local-variable 'imenu-generic-expression)
 160   (setq imenu-generic-expression mu-imenu-generic-expression)
 161
 162   (make-local-variable 'indent-line-function)
 163   (setq indent-line-function 'indent-relative-maybe)
 164
 165   ;;
 166   (set-syntax-table mu-mode-syntax-table)
 167   (setq major-mode 'mudela-mode)
 168   (setq mode-name "Mudela")
 169   (setq local-abbrev-table mudela-mode-abbrev-table)
 170   (use-local-map mu-mode-map)
 171
 172   ;; run the mode hook. mu-mode-hook use is deprecated
 173   (run-hooks 'mudela-mode-hook))
 174
 175
 176 (defun mu-keep-region-active ()
 177   ;; do whatever is necessary to keep the region active in XEmacs.
 178   ;; Ignore byte-compiler warnings you might see.  Also note that
 179   ;; FSF's Emacs 19 does it differently and doesn't its policy doesn't
 180   ;; require us to take explicit action.
 181   (and (boundp 'zmacs-region-stays)
 182        (setq zmacs-region-stays t)))
 183
 184
 185 ;;(defun mu-comment-region (beg end &optional arg)
 186 ;;  "Like `comment-region' but uses double hash (`#') comment starter."
 187 ;;  (interactive "r\nP")
 188 ;;  (let ((comment-start mu-block-comment-prefix))
 189 ;;    (comment-region beg end arg)))
 190 \f
 191 (defun mu-version ()
 192   "Echo the current version of `mudela-mode' in the minibuffer."
 193   (interactive)
 194   (message "Using `mudela-mode' version %s" mu-version)
 195   (mu-keep-region-active))
 196
 197 (provide 'mu-mode)
 198 ;;; mudela-mode.el ends here