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== F# mode for Emacs == Version 0.3 - June 2010 1) Installation When Emacs is started up, it normally runs a file called ~/.emacs located in your home directory. This file should contain all of your personal customisations written as a series of Elisp commands. In order to install the F# mode, you have to tell Emacs where to find it. This is done by adding some commands to the init file. Assuming you have placed the mode in your "~/.emacs.d" directory and you now have a "~/.emacs.d/fsharp" directory, copy the following lines to your init file (usually "~/.emacs"). (setq load-path (cons "~/.emacs.d/fsharp" load-path)) (setq auto-mode-alist (cons '("\\.fs[iylx]?$" . fsharp-mode) auto-mode-alist)) (autoload 'fsharp-mode "fsharp" "Major mode for editing F# code." t) (autoload 'run-fsharp "inf-fsharp" "Run an inferior F# process." t) If "fsc" and "fsi" are in your path, that's all you need. Otherwise, you can add these two following lines to set the path to the compiler and interactive F#. On Windows (adapt the path if needed): (setq inferior-fsharp-program "\"c:\\Program Files\\Microsoft F#\\v4.0\\Fsi.exe\"") (setq fsharp-compiler "\"c:\\Program Files\\Microsoft F#\\v4.0\\Fsc.exe\"") On Unix (adapt the path if needed): (setq inferior-fsharp-program "mono ~/fsi.exe --readline-") (setq fsharp-compiler "mono ~/fsc.exe") Reload your init file or reopen Emacs. If you open a ".fs" file, the fsharp-mode will be used automatically. 2) Features - Interactive F# buffer - Indentation - Syntax highlighter 3) Bindings If you are new to Emacs, you might want to use the menu (call menu-bar-mode if you don't see it). However, it's usually faster to learn a few useful bindings: - C-c C-r Evaluate region - C-c C-e Evaluate current toplevel phrase - C-M-x Evaluate current toplevel phrase - C-M-h Mark current toplevel phrase - C-c C-s Show interactive buffer - C-c C-c Compile with fsc - C-c x Run the executable - C-c C-a Open alternate file (.fsi or .fs) - C-c l Shift region to left - C-c r Shift region to right - C-c <up> Move cursor to the beginning of the block To interrupt the interactive mode, use "C-c C-c". This is useful if your code does an infinite loop or a very long computation. If you want to shift the region by 2 spaces, use: M-2 C-c r In the interactive buffer, use M-RET to send the code without explicitly adding the ";;" thing. 4) Contact If you have problems using this mode, please ask on a F# forum, e.g. http://cs.hubfs.net or http://stackoverflow.com If you don't have answers, you can send me an email, I will try to reply on the thread, as it could be useful to other people. If you can help improving this mode, feel free to contact me! I can give you SVN access on Sourceforge if you'd like to contribute. For bugs and feature requests, please use Sourceforge tracker. Contact: laurent [at] le-brun.eu -- Laurent.