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View of /sml/trunk/sml-mode/README

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Revision 32 - (download) (annotate)
Thu Mar 12 16:54:39 1998 UTC (21 years, 3 months ago) by monnier
File size: 5320 byte(s)
Initial revision
SML-MODE (3.3b) -- Major Emacs mode for editing Standard ML.

  3.3(beta) because i really am looking at the indentation algorithm,
  but the new features mentioned below are stable -- modulo bugs.


  sml-mode.el     (SML mode elisp code)
  sml-proc.el     (ML interaction code, defaults to SML/NJ(0.93))
  sml-hilite.el   (hilit19 functions)
  sml-font.el     (font-lock functions)
  sml-menus.el    (Simple menus)

  sml-poly-ml.el  (Additional library code to run Poly/ML)
  sml-mosml.el    (Additional library code to run Moscow ML)

  sml-mode.info   (Softcopy manual -- Info for (X)Emacs19)
  sml-site.el     (Simple, system-wide installation)


  sml-mode.dvi    (Hardcopy manual)


  Tried and sort of tested on GNU Emacs 19.3{3,4} and XEmacs 19.14.

  XEmacs 19.11 is known to hang on sending regions to the interaction
  buffer -- so leave the variable SML-TEMP-THRESHOLD = 0.

System Installation Guide:

  If you're installing this for others in the Emacs hierarchy, either

    go to the site-lisp directory and unpack the tar file there, 

    or create a subdirectory, say site-lisp/sml-mode, and copy at
    least the sml*.el files into it.

  In either case move or copy the file sml-site.el into the site-lisp
  directory itself (or some other place that's on the user's default
  load-path) and read and edit this file. All that's really needed is
  to ensure that Emacs can find the sml*.el files and the .info file.

  Tell your eager users to

  (requite 'sml-site) 

  in their .emacses. Point them to the help file. At your option, byte
  compile the sml*.el files (and sml-site.el too, if you like).

Private Installation Guide:

  If you are having to install his in your home directory, say, create
  a directory like "/home/xxx/lib/emacs/sml-mode", if your login name
  is xxx, and copy the sml-*.el files to there. Then put:
  (setq load-path (cons "/home/xxx/lib/emacs/sml-mode" load-path))
  (autoload 'sml-mode "sml-mode" "Major mode for editing ML programs." t)

  in your .emacs file. Add:

  (setq auto-mode-alist
        (append '(("\\.sml$" . sml-mode) 
                  ("\\.sig$" . sml-mode) 
                  ("\\.ML$"  . sml-mode)) auto-mode-alist))

  to your .emacs so that whenever you visit a file with one of these
  extensions you will automatically be placed in sml-mode.

  Put the info file (sml-mode.info) somewhere convenient like
  "/home/xxx/lib/emacs/sml-mode/sml-mode.info", and add

  (setq sml-mode-info "/home/xxx/lib/emacs/sml-mode/sml-mode.info")

  again to your .emacs -- this gives access to on-line help. This help
  file gives lots of tips about configuring SML mode to suit your
  preferences: C-c C-i will get you there from SML mode.

  If you want SML mode to speak to Moscow ML or Poly/ML instead of
  SML/NJ, just add something like this to your .emacs:

  (defun my-mosml-setup () "Configure inferior SML mode for Moscow ML"
    (load-library "sml-mosml"))
  (add-hook 'inferior-sml-load-hook 'my-mosml-setup)

  so that when you M-x sml you'll get mosml instead.

New in SML mode Version 3.3 (feedback welcomed on this):


  implemented some multi-frame handling capabilities, specifically so 
  sml runs in a dedicated window. this is more complex than it needs to
  be because of XEmacs...

  the variable SML-DEDICATED-FRAME defaults to t if running under a
  window system; set it to nil in SML-LOAD-HOOK if you want the old
  split window behaviour back.


  debugged SML-NEXT-ERROR a bit, and improved it to echo the error
  message in the minibuffer (if possible) and highlight the region in
  which the error was found (if a suitable character range was given).

  the variable SML-ERROR-OVERLAY controls whether or not to highlight
  (default is yes); set this to nil in SML-MODE-HOOK to switch this

  SML-NEXT-ERROR won't always raise the inferior ML buffer's frame; it
  only does so if there's no window already showing the buffer, or if
  there's an error message it can't understand. i think!


  support for Moscow ML -- see sml-mosml.el.


  forms (aka, templates or macros) insertion semantics have changed
  because there were bugs. maybe there still are, but anyway: by
  default C-c C-m inserts the macro at point, C-u C-c C-m will do a
  newline-and-indent before inserting the macro.

  abstractions are history, and you can play with extending the
  collection of builtin macros to your heart's content. lookup the
  function SML-ADDTO-FORMS-ALIST, and the variable SML-FORMS-ALIST.


  drag-and-droppishness, without the drop: SML-DRAG-MOUSE is bound to
  M-S-down-mouse-1; if you drag the mouse over a region it will be
  magically sucked into the ML buffer (like C-c C-r, only you don't
  have to C-@ first). this might be flakey as it heavily depends on
  the underlying mouse-drag/track-mouse semantics of the various
  Emacses out there. can't do much about that, sorry.


  anything else i've forgotten already!

To Do:


  indentation is hopeless for sequential code (semicolons). this needs
  attention; indeed all the indentation code does. Ian Zimmerman's very
  excellent (looking) indentation code for caml-mode may point the way
  forward. or we all go over to programming in Lisp instead of ML...

Matthew Morley <mjm@scs.leeds.ac.uk>

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