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About

This work is a fork of the fsharp-mode originally developed by Laurent Le Brun (http://sourceforge.net/projects/fsharp-mode/).

The changes I have made over the original version are:

  • Much better syntax highlighting. Function names, including active patterns, nested functions, member functions and constructors and even overloaded operators are all correctly highlighted in font-lock-function-name-face. User defined types are highlighted in font-lock-type-face. Attributes and namespaces are also highlighted.

  • Supports debugging F# code (or any .NET code) inside Emacs. This is implemented through a slightly modified version of the mdbg debugger (https://github.com/finalpatch/mdbg4emacs).

  • Removed syntax highlighting in F# interactive window. I had to remove it because I don't know how to make font lock only fontify user input and ignore the outputs. If I leave it on then as soon as the F# shell prints out a quotation mark, everything after it will be highlighted in wrong colors.

Installation

Add these lines to your .emacs file (and changes the paths to point to your F# installation):

(autoload 'fsharp-mode "fsharp" "Major mode for editing F# code." t)
(autoload 'run-fsharp "inf-fsharp" "Run an inferior F# process." t)
(autoload 'mdbg "mdbg" "The CLR debugger" t)
(setq inferior-fsharp-program "PATH_TO_YOUR_FSI_EXE")
(setq fsharp-compiler "PATH_TO_YOUR_FSC_EXE")
(add-to-list 'auto-mode-alist '("\\.fs[iylx]?$" . fsharp-mode))

You can optionally bytecompile the .el files.