Try haskell-ide-engine on GHC!

[Alp Mestanogullari]

Maybe we can just remove those lines now. :-)

On 26/07/2019 11:36, Sebastian Graf wrote:
> Hey all,
>
> What can I say, after few hours of on and off tinkering I got it to work!
> The hover information is incredibly helpful, as is jump to definition. 
> It works even in modules with type and name errors!
> The error information not so much (yet), at least not compared to the 
> shorter feedback loop of using ghcid.
> Haven't used completions in anger yet, but it works quite well when 
> fooling around with it.
>
> Great work, Zubin and Matthew! :)
>
> As to my setup: I'm using VSCode Remote, so the language server will 
> run on my build VM which VSCode communicates with via SSH.
> I'm using nix+home-manager to manage my configuration over there, so I 
> had to wrap the hie executable with the following script:
>
> #! /usr/bin/env bash
> . /etc/profile.d/nix.sh
> nix-shell --pure /path/to/ghc.nix/ --run 
> /path/to/haskell-ide-engine/dist-newstyle/build/x86_64-linux/ghc-8.6.4/haskell-ide-engine-1.0.0.0/x/hie/build/hie/hie
>
> Also the shellHook echo output from ghc.nix confuses the language 
> server protocol, so be sure to delete those 4 lines from 
> ghc.nix/default.nix.
>
> It takes quite a while to initialise the first time around. Be sure to 
> look at the output of the alanz.vscode-hie-server extension to see if 
> there's any progress being made.
> Can only encourage you to try this out!
>
> Best,
> Sebastian
>
>
> Am Do., 25. Juli 2019 um 12:21 Uhr schrieb Matthew Pickering 
> <matthewtpickering at gmail.com <mailto:matthewtpickering at gmail.com>>:
>
>     Hi all,
>
>     As some of you know I have been working on getting haskell-ide-engine
>     working on GHC for the last few months. Perhaps now the branch is in a
>     usable state where people can try it and report issues. All the basic
>     features such as, hover, completion, error reporting, go to definition
>     etc should work well. I suspect this will be enough for most
>     developers.
>
>     I have compiled a list of instructions about how to try out the
>     branch.
>
>     https://gist.github.com/mpickering/68ae458d2c426a29a7c1ddf798dbc793
>
>     In the last few weeks Zubin has been a great help finishing some parts
>     of the patch that I lost steam for and given it a much better chance
>     of getting merged into the main repo before the end of the year.
>
>     Cheers,
>
>     Matt
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>
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-- 
Alp Mestanogullari, Haskell Consultant
Well-Typed LLP, https://www.well-typed.com/

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