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niksaz authored
This patch is trying to redesign the :set prompt option to take not a String but a Haskell function, like [String] -> Int -> IO String, where [String] is the list of the names of the currently loaded modules and Int is the line number. Currently you may set prompt function with **:set promt-function [String] -> Int -> IO String** option and old version is also available - :set prompt String. So, it looks like I've almost completed this patch: 1) Now we have a lot of escape sequences - 13 to be exact. Most of them are similar to bash prompt escape sequences. Thus they are quite handy. 2) We may use the special escape sequence to call shell functions, for example "%call(ls -l -a)". 3) We may use :set prompt-function to set PFunction to handle prompt. It is just [String] -> Int -> IO String. Reviewers: erikd, austin, mpickering, bgamari Reviewed By: mpickering, bgamari Subscribers: mpickering, thomie Differential Revision: https://phabricator.haskell.org/...
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