Added ghci-ng support to haskell layer
- uses the variable `haskell-ghci-ng-support` to enable support
This commit is contained in:
Bjarke Vad
syl20bnr
parent
0e3b725b50
commit
f447e937e8
3 changed files with 57 additions and 6 deletions
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@ -83,6 +83,24 @@ so that the path is added before any layers is loaded.
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Note that `emacs.app` for OS X does not pick up `$PATH` from `~/.bashrc` or
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`~/.zshrc` when launched from outside a terminal.
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*** Enabling GHCi-ng support
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[ghci-ng][] adds some nice features to `haskell-mode`, and is supported in Spacemacs by a layer variable:
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Follow the instructions to install [ghci-ng][] (remember to add `:set +c` in `~/.ghci`,
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next set the layer variable:
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```elisp
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;; List of configuration layers to load.
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dotspacemacs-configuration-layers '(company-mode (haskell :variables haskell-ghci-ng-support t) git)
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```
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Once ghci-ng is enabled, two of the old keybindings are overriden with improved versions from ghci-ng, and a new keybinding available:
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Key Binding | Description
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----------------------|------------------------------------------------------------
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<kbd>SPC m t</kbd> | gets the type of the identifier under the cursor or for the active region
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<kbd>SPC m g g</kbd> | go to definition
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<kbd>SPC m u</kbd> | finds uses of identifier
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## Key bindings
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All Haskell specific bindings are prefixed with <kbd>SPC m</kbd>
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@ -96,8 +114,7 @@ Top-level commands are prefixed by <kbd>SPC m</kbd>:
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----------------------|------------------------------------------------------------
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<kbd>SPC m t</kbd> | gets the type of the identifier under the cursor
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<kbd>SPC m i</kbd> | gets information for the identifier under the cursor
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<kbd>SPC m u</kbd> | finds uses of identifier
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<kbd>SPC m g</kbd> | go to definition or tag
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<kbd>SPC m g g</kbd> | go to definition or tag
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<kbd>SPC m f</kbd> | format buffer using haskell-stylish
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#### Documentation commands:
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@ -164,3 +181,4 @@ REPL commands are prefixed by <kbd>SPC m s</kbd>:
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[cabal]: https://www.haskell.org/cabal/
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[company-ghc]: https://github.com/iquiw/company-ghc
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[hi2]: https://github.com/nilcons/hi2
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[ghci-ng]: https://github.com/chrisdone/ghci-ng
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14
contrib/lang/haskell/config.el
Normal file
14
contrib/lang/haskell/config.el
Normal file
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@ -0,0 +1,14 @@
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;;; config.el --- Haskell Layer configuration File for Spacemacs
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;;
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;; Copyright (c) 2015 Bjarke Vad Andersen
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;;
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;; Author: Bjarke Vad Andersen <bjarke.vad90@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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;; Variables
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(defvar haskell-ghci-ng-support nil
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"If non nil ghci-ng support is enabled")
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@ -32,8 +32,7 @@
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(progn
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;; Customization
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(custom-set-variables
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;; Use cabal-repl for the GHCi session. Ensures our dependencies are in scope.
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;; cabal-dev is deprecated
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'(haskell-process-type 'auto)
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;; Use notify.el (if you have it installed) at the end of running
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@ -82,7 +81,6 @@
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(evil-leader/set-key-for-mode 'haskell-mode
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"mt" 'haskell-process-do-type
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"mi" 'haskell-process-do-info
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"mu" 'haskell-mode-find-uses
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"mgg" 'haskell-mode-jump-to-def-or-tag
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"mf" 'haskell-mode-stylish-buffer
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@ -109,6 +107,8 @@
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"mda" 'haskell-debug/abandon
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"mdr" 'haskell-debug/refresh
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)
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;; Switch back to editor from REPL
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(evil-leader/set-key-for-mode 'interactive-haskell-mode
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"msS" 'haskell-interactive-switch
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@ -155,7 +155,26 @@
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;; Useful to have these keybindings for .cabal files, too.
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(defun haskell-cabal-hook ()
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(define-key haskell-cabal-mode-map [?\C-c ?\C-z] 'haskell-interactive-switch)))))
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(define-key haskell-cabal-mode-map [?\C-c ?\C-z] 'haskell-interactive-switch))
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;;GHCi-ng
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(defun ghci-ng-setup()
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(progn
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;; haskell-process-type is set to auto, so setup ghci-ng for either case
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;; if haskell-process-type == cabal-repl
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(setq haskell-process-args-cabal-repl '("--ghc-option=-ferror-spans" "--with-ghc=ghci-ng"))
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;; if haskell-process-type == GHCi
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(setq haskell-process-path-ghci "ghci-ng")
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(evil-leader/set-key-for-mode 'haskell-mode
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"mu" 'haskell-mode-find-uses
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"mt" 'haskell-mode-show-type-at
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"mgg" 'haskell-mode-goto-loc
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))
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)
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(if haskell-ghci-ng-support
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(ghci-ng-setup)))))
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(defun haskell/init-company-ghc ()
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(use-package company-ghc
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