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Henrik Lissner 2e86cceb3f Bump :lang 
200ok-ch/counsel-jq@104c77b -> 200ok-ch/counsel-jq@f5bfed8
Andersbakken/rtags@e6c7005 -> Andersbakken/rtags@63a7d9b
FStarLang/fstar-mode.el@5670fc0 -> FStarLang/fstar-mode.el@3afbf04
Kungsgeten/org-brain@6e3d861) -> Kungsgeten/org-brain@1ae4fd4)
NixOS/nix-mode@bb0b49e -> NixOS/nix-mode@e32c6bf
OVYA/php-cs-fixer@95eace9 -> OVYA/php-cs-fixer@c5b5d8a
ProofGeneral/PG@0fdb1ae -> ProofGeneral/PG@702f5b9
Sarcasm/irony-mode@1e1aaba -> Sarcasm/irony-mode@76fd37f
abicky/nodejs-repl.el@f5ce3d5 -> abicky/nodejs-repl.el@3b84105
agda/agda@08191e6 -> agda/agda@5070bd8
amake/flutter.el@78b3c57 -> amake/flutter.el@696228a
ananthakumaran/tide@ac5f070 -> ananthakumaran/tide@a43a37b
arnested/php-extras@81ebd7c -> arnested/php-extras@d410c5a
borkdude/flycheck-clj-kondo@152df7f -> borkdude/flycheck-clj-kondo@a558bda
brotzeit/rustic@7c9d55b -> brotzeit/rustic@91ad5db
chachi/cuda-mode@9ae9eac -> chachi/cuda-mode@7f59351
clojure-emacs/cider@f1c2a79 -> clojure-emacs/cider@ef47c1d
clojure-emacs/clojure-mode@75c2889 -> clojure-emacs/clojure-mode@53ef8ac
cpitclaudel/company-coq@b096cb5 -> cpitclaudel/company-coq@4da7b41
cython/cython@ba6cbed -> cython/cython@21b4e53
dgutov/robe@082da38 -> dgutov/robe@f04dcc7
dominikh/go-mode.el@d17d210 -> dominikh/go-mode.el@fdf46fe
dominikh/go-mode.el@d17d210 -> dominikh/go-mode.el@fdf46fe
elixir-editors/emacs-elixir@01b3324 -> elixir-editors/emacs-elixir@b78e7f7
emacs-ess/ESS@a694b26 -> emacs-ess/ESS@d013616
emacs-lsp/lsp-dart@c1ff5ce -> emacs-lsp/lsp-dart@b81b1ec
emacs-lsp/lsp-java@3f1ed17 -> emacs-lsp/lsp-java@f43b00a
emacs-lsp/lsp-metals@e42c0b2) -> emacs-lsp/lsp-metals@31dafff)
emacs-lsp/lsp-pyright@ccd0007 -> emacs-lsp/lsp-pyright@d9e7d3c
emacs-lsp/lsp-python-ms@a0c56f4 -> emacs-lsp/lsp-python-ms@c4ebc7a
emacs-php/php-mode@f4c7c69 -> emacs-php/php-mode@7e5722c
emacs-straight/adaptive-wrap@319db64 -> emacs-straight/adaptive-wrap@8f60ee7
emacs-straight/csv-mode@6353374 -> emacs-straight/csv-mode@eb3ec00
emacs-straight/org-mode@a88806b -> emacs-straight/org-mode@7c8dce7
emacs-straight/rainbow-mode@fdff98b -> emacs-straight/rainbow-mode@949166c
emacs-straight/sml-mode@60b01d7 -> emacs-straight/sml-mode@0338e97
emacs-typescript/typescript.el@e6f68ab -> emacs-typescript/typescript.el@54f14c4
erlang/otp@8efb945 -> erlang/otp@8fc0641
factor/factor@c6e15bd -> factor/factor@94a922a
felipeochoa/rjsx-mode@0061587 -> felipeochoa/rjsx-mode@b697fe4
fsharp/emacs-fsharp-mode@68dfc22 -> fsharp/emacs-fsharp-mode@13fbf4c
fxbois/web-mode@b4b0a85 -> fxbois/web-mode@890e837
galaunay/poetry.el@eb238d9 -> galaunay/poetry.el@d5163fe
godotengine/emacs-gdscript-mode@55a6637 -> godotengine/emacs-gdscript-mode@75fe658
greghendershott/racket-mode@0ca8b26 -> greghendershott/racket-mode@3563081
haskell/haskell-mode@e726776 -> haskell/haskell-mode@0d39c84
hlissner/evil-org-mode@658dadf) -> hlissner/evil-org-mode@a9706da)
hvesalai/emacs-sbt-mode@4358ed8 -> hvesalai/emacs-sbt-mode@7b121fc
hvesalai/emacs-scala-mode@1d08e88 -> hvesalai/emacs-scala-mode@9d3b56e
hylang/hy-mode@7256844 -> hylang/hy-mode@5253533
joaotavora/sly@fce4f9b -> joaotavora/sly@68561f1
jorgenschaefer/emacs-buttercup@cccdedf -> jorgenschaefer/emacs-buttercup@2f24a44
jorgenschaefer/pyvenv@861998b -> jorgenschaefer/pyvenv@0bf4b87
josteink/csharp-mode@f46d656 -> josteink/csharp-mode@4916829
jrblevin/markdown-mode@152eae2 -> jrblevin/markdown-mode@dcad557
kaushalmodi/ox-hugo@1909c6e) -> kaushalmodi/ox-hugo@f24c9bd)
nim-lang/nim-mode@16a245e -> nim-lang/nim-mode@d832d6b
ocaml-ppx/ocamlformat@1dec6c3 -> ocaml-ppx/ocamlformat@860266b
ocaml/dune@f967df6 -> ocaml/dune@4d097cd
ocaml/merlin@06833e9 -> ocaml/merlin@28193d5
oer/org-re-reveal@2035217 -> oer/org-re-reveal@0062756
org-roam/org-roam@d913447) -> org-roam/org-roam@be95b42)
rexim/org-cliplink@82402ca -> rexim/org-cliplink@13e0940
salmanebah/opencl-mode@55cb49c -> salmanebah/opencl-mode@15091ef
senny/rvm.el@6897576) -> senny/rvm.el@b2498a4)
skuro/plantuml-mode@5889166 -> skuro/plantuml-mode@ea45a13
swift-emacs/swift-mode@e65a80a -> swift-emacs/swift-mode@0bc8d8d
technomancy/fennel-mode@7a8824a -> technomancy/fennel-mode@fa56106
wbolster/emacs-python-pytest@a2f88b1 -> wbolster/emacs-python-pytest@4a1c4c8
xuchunyang/elisp-demos@3cca496 -> xuchunyang/elisp-demos@ed9578d
yoshiki/yaml-mode@68fecb5 -> yoshiki/yaml-mode@fc5e1c5

Fixes #4237
2020-12-05 16:37:59 -05:00
..
+dante.el
Merge pull request #2685 from kenranunderscore/change-obsolete-binding
2020-03-09 14:04:25 -04:00
+lsp.el
Bump :lang haskell
2020-10-05 20:56:34 +08:00
autoload.el
lang/haskell: remove intero support
2020-04-14 19:27:33 -04:00
config.el
Remap haskell-mode-jump-to-def-or-tag to +lookup/definition
2020-05-12 20:07:11 -04:00
doctor.el
lang/haskell: remove intero support
2020-04-14 19:27:33 -04:00
packages.el
Bump :lang
2020-12-05 16:37:59 -05:00
README.org
Bump :lang haskell
2020-10-05 20:56:34 +08:00

README.org

lang/haskell

Table of Contents   TOC

Description

This module adds Haskell support, powered by either dante (the default) or LSP (haskell-language-server or ghcide).

  • Code completion (company-ghc)
  • Look up documentation (hoogle)
  • eldoc support (dante)
  • REPL (ghci)
  • Syntax-checking (flycheck)
  • Code navigation (dante)
  • Snippets

External resources

Here are a few resources I've found indispensable in my Haskell adventures:

Module Flags

  • +dante Enables dante; a fork of intero aimed at lightweightedness. It doesn't depend on stack, supports both cabal-only and stack projects, but lacks eldoc support.
  • +ghcide Enables LSP support with ghcide (requires the :tools lsp module).
  • +lsp Enables LSP support with haskell-language-server (requires the :tools lsp module).

Plugins

Prerequisites

Depending on whether you use Dante, haskell-language-server or ghcide, your dependencies will differ:

  • Dante users need cabal, ghc and ghc-mod
  • LSP users need the haskell-language-server LSP server OR ghcide
  • All users will need the hoogle package

Cabal

To use Dante, you need cabal (the haskell package builder) and ghci (the compiler, syntax checker & repl):

MacOS 

brew install cabal-install ghc

Arch Linux 

sudo pacman -S cabal-install ghc

openSUSE 

sudo zypper install cabal-install ghc

LSP (haskell-language-server)

You will need stack and git installed.

You will find a comprehensive instructions for haskell-language-server on its project page, but if you are using ghcup:

ghcup install hls

LSP (ghcide)

See https://github.com/digital-asset/ghcide for install instructions.

Stack

To use LSP, you need stack:

MacOS 

brew install haskell-stack
stack setup

Arch Linux 

sudo pacman -S stack
# Replace pacaur with your AUR package manager of choice
pacaur -S ncurses5-compat-lib
stack setup

openSUSE 

sudo zypper install stack
stack setup

Haskell packages

You'll need to install the following packages using stack or cabal:

  • (Dante users) ghc-mod

    stack install ghc-mod
# or
cabal install ghc-mod

  • hoogle

    cabal update
cabal install happy haskell-src-exts   # ghc-mod/hoogle dependencies
cabal ghc-mod hoogle
# or
stack install ghc-mod
stack install hoogle

And ensure the binaries for these packages are in your PATH, e.g.

# place this in your profile file, like ~/.bash_profile or ~/.zshenv
export PATH="~/.local/bin:$PATH"

Configuration

Using the new-style cabal REPL

haskell-mode will typically detect what REPL to run based on your project (e.g. stack, (old-style) cabal or ghc). If you want the new-style cabal REPL you must set haskell-process-type manually:

(setq haskell-process-type 'cabal-new-repl)

Troubleshooting