lisp/emulation/mlconvert.el

   1 ;;; mlconvert.el --- convert buffer of Mocklisp code to real lisp.
   2
   3 ;; Copyright (C) 1985 Free Software Foundation, Inc.
   4
   5 ;; Maintainer: FSF
   6 ;; Keywords: emulations
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 2, or (at your option)
  13 ;; any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to
  22 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23
  24 ;;; Commentary:
  25
  26 ;; This package conversts Mocklisp code written under a Gosling or UniPress
  27 ;; Emacs for use with GNU Emacs.  The translated code will require runtime
  28 ;; support from the mlsupport.el equivalent.
  29
  30 ;;; Code:
  31
  32 ;;;###autoload
  33 (defun convert-mocklisp-buffer ()
  34   "Convert buffer of Mocklisp code to real Lisp that GNU Emacs can run."
  35   (interactive)
  36   (emacs-lisp-mode)
  37   (set-syntax-table (copy-sequence (syntax-table)))
  38   (modify-syntax-entry ?\| "w")
  39   (message "Converting mocklisp (ugh!)...")
  40   (goto-char (point-min))
  41   (fix-mlisp-syntax)
  42
  43   ;; Emulation of mocklisp is accurate only within a mocklisp-function
  44   ;; so turn any non-function into a defun and then call it.
  45   (goto-char (point-min))
  46   (condition-case ignore
  47       (while t
  48         (let ((opt (point))
  49               (form (read (current-buffer))))
  50           (and (listp form)
  51                (not (eq (car form) 'defun))
  52                (progn (insert "))\n\n(ml-foo)\n\n")
  53                       (save-excursion
  54                         (goto-char opt)
  55                         (skip-chars-forward "\n")
  56                         (insert "(defun (ml-foo \n "))))))
  57     (end-of-file nil))
  58
  59   (goto-char (point-min))
  60   (insert ";;; GNU Emacs code converted from Mocklisp\n")
  61   (insert "(require 'mlsupport)\n\n")
  62   (fix-mlisp-symbols)
  63
  64   (goto-char (point-min))
  65   (message "Converting mocklisp...done"))
  66
  67 (defun fix-mlisp-syntax ()
  68   (while (re-search-forward "['\"]" nil t)
  69     (if (= (preceding-char) ?\")
  70         (progn (forward-char -1)
  71                (forward-sexp 1))
  72       (delete-char -1)
  73       (insert "?")
  74     (if (or (= (following-char) ?\\) (= (following-char) ?^))
  75           (forward-char 1)
  76         (if (looking-at "[^a-zA-Z]")
  77             (insert ?\\)))
  78       (forward-char 1)
  79       (delete-char 1))))
  80
  81 (defun fix-mlisp-symbols ()
  82   (while (progn
  83            (skip-chars-forward " \t\n()")
  84            (not (eobp)))
  85     (cond ((or (= (following-char) ?\?)
  86                (= (following-char) ?\"))
  87            (forward-sexp 1))
  88           ((= (following-char) ?\;)
  89            (forward-line 1))
  90           (t
  91            (let ((start (point)) prop)
  92              (forward-sexp 1)
  93              (setq prop (get (intern-soft (buffer-substring start (point)))
  94                              'mocklisp))
  95              (cond ((null prop))
  96                    ((stringp prop)
  97                     (delete-region start (point))
  98                     (insert prop))
  99                    (t
 100                     (save-excursion
 101                       (goto-char start)
 102                       (funcall prop)))))))))
 103
 104 (defun ml-expansion (ml-name lisp-string)
 105   (put ml-name 'mocklisp lisp-string))
 106
 107 (ml-expansion 'defun "ml-defun")
 108 (ml-expansion 'if "ml-if")
 109 (ml-expansion 'setq '(lambda ()
 110                        (if (looking-at "setq[ \t\n]+buffer-modified-p")
 111                            (replace-match "set-buffer-modified-p"))))
 112
 113 (ml-expansion 'while '(lambda ()
 114                          (let ((end (progn (forward-sexp 2) (point-marker)))
 115                                (start (progn (forward-sexp -1) (point))))
 116                            (let ((cond (buffer-substring start end)))
 117                              (cond ((equal cond "1")
 118                                     (delete-region (point) end)
 119                                     (insert "t"))
 120                                    (t
 121                                     (insert "(not (zerop ")
 122                                     (goto-char end)
 123                                     (insert "))")))
 124                              (set-marker end nil)
 125                              (goto-char start)))))
 126
 127 (ml-expansion 'arg "ml-arg")
 128 (ml-expansion 'nargs "ml-nargs")
 129 (ml-expansion 'interactive "ml-interactive")
 130 (ml-expansion 'message "ml-message")
 131 (ml-expansion 'print "ml-print")
 132 (ml-expansion 'set "ml-set")
 133 (ml-expansion 'set-default "ml-set-default")
 134 (ml-expansion 'provide-prefix-argument "ml-provide-prefix-argument")
 135 (ml-expansion 'prefix-argument-loop "ml-prefix-argument-loop")
 136 (ml-expansion 'prefix-argument "ml-prefix-arg")
 137 (ml-expansion 'use-local-map "ml-use-local-map")
 138 (ml-expansion 'use-global-map "ml-use-global-map")
 139 (ml-expansion 'modify-syntax-entry "ml-modify-syntax-entry")
 140 (ml-expansion 'error-message "error")
 141
 142 (ml-expansion 'dot "point-marker")
 143 (ml-expansion 'mark "mark-marker")
 144 (ml-expansion 'beginning-of-file "beginning-of-buffer")
 145 (ml-expansion 'end-of-file "end-of-buffer")
 146 (ml-expansion 'exchange-dot-and-mark "exchange-point-and-mark")
 147 (ml-expansion 'set-mark "set-mark-command")
 148 (ml-expansion 'argument-prefix "universal-arg")
 149
 150 (ml-expansion 'previous-page "ml-previous-page")
 151 (ml-expansion 'next-page "ml-next-page")
 152 (ml-expansion 'next-window "ml-next-window")
 153 (ml-expansion 'previous-window "ml-previous-window")
 154
 155 (ml-expansion 'newline "ml-newline")
 156 (ml-expansion 'next-line "ml-next-line")
 157 (ml-expansion 'previous-line "ml-previous-line")
 158 (ml-expansion 'self-insert "self-insert-command")
 159 (ml-expansion 'meta-digit "digit-argument")
 160 (ml-expansion 'meta-minus "negative-argument")
 161
 162 (ml-expansion 'newline-and-indent "ml-newline-and-indent")
 163 (ml-expansion 'yank-from-killbuffer "yank")
 164 (ml-expansion 'yank-buffer "insert-buffer")
 165 (ml-expansion 'copy-region "copy-region-as-kill")
 166 (ml-expansion 'delete-white-space "delete-horizontal-space")
 167 (ml-expansion 'widen-region "widen")
 168
 169 (ml-expansion 'forward-word '(lambda ()
 170                                (if (looking-at "forward-word[ \t\n]*)")
 171                                    (replace-match "forward-word 1)"))))
 172 (ml-expansion 'backward-word '(lambda ()
 173                                (if (looking-at "backward-word[ \t\n]*)")
 174                                    (replace-match "backward-word 1)"))))
 175
 176 (ml-expansion 'forward-paren "forward-list")
 177 (ml-expansion 'backward-paren "backward-list")
 178 (ml-expansion 'search-reverse "ml-search-backward")
 179 (ml-expansion 're-search-reverse "ml-re-search-backward")
 180 (ml-expansion 'search-forward "ml-search-forward")
 181 (ml-expansion 're-search-forward "ml-re-search-forward")
 182 (ml-expansion 'quote "regexp-quote")
 183 (ml-expansion 're-query-replace "query-replace-regexp")
 184 (ml-expansion 're-replace-string "replace-regexp")
 185
 186 ; forward-paren-bl, backward-paren-bl
 187
 188 (ml-expansion 'get-tty-character "read-char")
 189 (ml-expansion 'get-tty-input "read-input")
 190 (ml-expansion 'get-tty-string "read-string")
 191 (ml-expansion 'get-tty-buffer "read-buffer")
 192 (ml-expansion 'get-tty-command "read-command")
 193 (ml-expansion 'get-tty-variable "read-variable")
 194 (ml-expansion 'get-tty-no-blanks-input "read-no-blanks-input")
 195 (ml-expansion 'get-tty-key "read-key")
 196
 197 (ml-expansion 'c= "char-equal")
 198 (ml-expansion 'goto-character "goto-char")
 199 (ml-expansion 'substr "ml-substr")
 200 (ml-expansion 'variable-apropos "apropos")
 201 (ml-expansion 'execute-mlisp-buffer "eval-current-buffer")
 202 (ml-expansion 'execute-mlisp-file "load")
 203 (ml-expansion 'visit-file "find-file")
 204 (ml-expansion 'read-file "find-file")
 205 (ml-expansion 'write-modified-files "save-some-buffers")
 206 (ml-expansion 'backup-before-writing "make-backup-files")
 207 (ml-expansion 'write-file-exit "save-buffers-kill-emacs")
 208 (ml-expansion 'write-named-file "write-file")
 209 (ml-expansion 'change-file-name "set-visited-file-name")
 210 (ml-expansion 'change-buffer-name "rename-buffer")
 211 (ml-expansion 'buffer-exists "get-buffer")
 212 (ml-expansion 'delete-buffer "kill-buffer")
 213 (ml-expansion 'unlink-file "delete-file")
 214 (ml-expansion 'unlink-checkpoint-files "delete-auto-save-files")
 215 (ml-expansion 'file-exists "file-exists-p")
 216 (ml-expansion 'write-current-file "save-buffer")
 217 (ml-expansion 'change-directory "cd")
 218 (ml-expansion 'temp-use-buffer "set-buffer")
 219 (ml-expansion 'fast-filter-region "filter-region")
 220
 221 (ml-expansion 'pending-input "input-pending-p")
 222 (ml-expansion 'execute-keyboard-macro "call-last-kbd-macro")
 223 (ml-expansion 'start-remembering "start-kbd-macro")
 224 (ml-expansion 'end-remembering "end-kbd-macro")
 225 (ml-expansion 'define-keyboard-macro "name-last-kbd-macro")
 226 (ml-expansion 'define-string-macro "ml-define-string-macro")
 227
 228 (ml-expansion 'current-column "ml-current-column")
 229 (ml-expansion 'current-indent "ml-current-indent")
 230 (ml-expansion 'insert-character "insert")
 231
 232 (ml-expansion 'users-login-name "user-login-name")
 233 (ml-expansion 'users-full-name "user-full-name")
 234 (ml-expansion 'current-time "current-time-string")
 235 (ml-expansion 'current-numeric-time "current-numeric-time-you-lose")
 236 (ml-expansion 'current-buffer-name "buffer-name")
 237 (ml-expansion 'current-file-name "buffer-file-name")
 238
 239 (ml-expansion 'local-binding-of "local-key-binding")
 240 (ml-expansion 'global-binding-of "global-key-binding")
 241
 242 ;defproc (ProcedureType, "procedure-type");
 243
 244 (ml-expansion 'remove-key-binding "global-unset-key")
 245 (ml-expansion 'remove-binding "global-unset-key")
 246 (ml-expansion 'remove-local-binding "local-unset-key")
 247 (ml-expansion 'remove-all-local-bindings "use-local-map nil")
 248 (ml-expansion 'autoload "ml-autoload")
 249
 250 (ml-expansion 'checkpoint-frequency "auto-save-interval")
 251
 252 (ml-expansion 'mode-string "mode-name")
 253 (ml-expansion 'right-margin "fill-column")
 254 (ml-expansion 'tab-size "tab-width")
 255 (ml-expansion 'default-right-margin "default-fill-column")
 256 (ml-expansion 'default-tab-size "default-tab-width")
 257 (ml-expansion 'buffer-is-modified "(buffer-modified-p)")
 258
 259 (ml-expansion 'file-modified-time "you-lose-on-file-modified-time")
 260 (ml-expansion 'needs-checkpointing "you-lose-on-needs-checkpointing")
 261
 262 (ml-expansion 'lines-on-screen "set-frame-height")
 263 (ml-expansion 'columns-on-screen "set-frame-width")
 264
 265 (ml-expansion 'dumped-emacs "t")
 266
 267 (ml-expansion 'buffer-size "ml-buffer-size")
 268 (ml-expansion 'dot-is-visible "pos-visible-in-window-p")
 269
 270 (ml-expansion 'track-eol-on-^N-^P "track-eol")
 271 (ml-expansion 'ctlchar-with-^ "ctl-arrow")
 272 (ml-expansion 'help-on-command-completion-error "completion-auto-help")
 273 (ml-expansion 'dump-stack-trace "backtrace")
 274 (ml-expansion 'pause-emacs "suspend-emacs")
 275 (ml-expansion 'compile-it "compile")
 276
 277 (ml-expansion '!= "/=")
 278 (ml-expansion '& "logand")
 279 (ml-expansion '| "logior")
 280 (ml-expansion '^ "logxor")
 281 (ml-expansion '! "ml-not")
 282 (ml-expansion '<< "lsh")
 283
 284 ;Variable pause-writes-files
 285
 286 ;;; mlconvert.el ends here